@font-face{font-family:Inter;src:url(../../images/redesign/InterVariable-web.woff2) format("woff2");font-style:normal;font-weight:100 900;font-display:swap}:root{--ink:#10265a;--body:#465976;--blue:#006bd6;--product-blue:#0075be;--pale:#eaf5fd;--stage-blue:#e1f1fc;--orange:#ff6a24;--line:#dfe7ef;--white:#fff;--muted:#f7f9fb;--measure:1200px}*{box-sizing:border-box}html{color-scheme:light}body{margin:0;background:var(--white);color:var(--body);font-family:Inter,Arial,sans-serif;font-size:18px;line-height:1.65;-webkit-font-smoothing:antialiased}::selection{background:#d9eaff;color:var(--ink)}h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0}h1,h2,h3,h4{font-weight:700;text-wrap:balance}h1{font-size:64px;line-height:1.09;letter-spacing:-.035em}h2{font-size:40px;line-height:1.18;letter-spacing:-.025em}h3{font-size:28px;line-height:1.25;letter-spacing:-.02em}h4{font-size:21px;line-height:1.35;letter-spacing:-.015em}img{max-width:100%;height:auto;display:block}sup{font-size:.65em;line-height:0}.wrap{width:min(var(--measure),calc(100% - 96px));margin-inline:auto}.site-header{display:flex;align-items:center;justify-content:space-between;gap:40px;min-height:110px}.brand{width:164px;filter:brightness(0) saturate(100%) invert(13%) sepia(36%) saturate(2440%) hue-rotate(190deg) brightness(94%) contrast(100%)}.nav-labels,.nav-end{display:flex;align-items:center;gap:36px;color:var(--ink);font-size:15px;font-weight:600}.nav-end{gap:28px}.cta{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;min-height:56px;padding:16px 30px;border-radius:999px;background:var(--orange);color:var(--ink);font-size:16px;font-weight:700;line-height:1.4;text-align:center}.top-cta{min-height:48px;padding:13px 25px}.hero{text-align:center;padding-top:42px;background:var(--white)}.hero-emphasis{color:var(--blue)}.hero-description{font-size:20px;margin-top:24px}.hero-levels{font-size:16px;margin-top:4px}.hero-levels span{margin-inline:5px}.hero-cta{margin-top:28px}.hero-product{position:relative;width:1040px;max-width:calc(100% - 150px);margin:42px 0 0 auto;text-align:left}.course-screen{border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 14px 40px #10265a1c}.screen-brandbar{display:flex;align-items:center;gap:32px;min-height:62px;padding:12px 24px;background:var(--product-blue);color:#fff;font-size:15px;font-weight:600}.screen-brandbar img{width:102px;height:auto}.screen-context{margin-left:auto;font-size:13px;font-weight:400}.course-screen-body{display:grid;grid-template-columns:225px 1fr}.topic-sidebar{background:#007cab;color:#fff;padding:22px 0;font-size:14px;line-height:1.45}.topic-sidebar>p{font-size:18px;line-height:1.35;font-weight:600;padding:0 24px 18px}.topic-sidebar ul{list-style:none;margin:0;padding:0}.topic-sidebar li{padding:9px 24px}.topic-sidebar .current-topic{background:#005d89;font-weight:600}.course-lessons{padding:25px 28px 22px}.course-lessons h3{font-size:24px;color:var(--blue);letter-spacing:-.02em}.lesson-group{font-size:15px;font-weight:600;color:var(--ink);padding:18px 0 10px}.real-lesson-list>div{display:grid;grid-template-columns:1fr 48px;gap:18px;padding:13px 0;border-top:1px solid var(--line);align-items:center}.real-lesson-list dt{font-size:16px;color:var(--blue);font-weight:500;line-height:1.4}.real-lesson-list dd{font-size:13px;color:var(--body);white-space:nowrap;text-align:right}.hero-barry{position:absolute;bottom:34px;left:-178px;width:195px;height:auto}.hero-product figcaption{font-size:13px;line-height:1.5;padding-top:16px;text-align:right}.section{padding-top:112px}.section-intro{margin-bottom:48px}.section-intro p{margin-top:16px;max-width:700px}.centered{text-align:center}.centered p{margin-inline:auto}.story-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:64px;max-width:1104px;margin:56px auto 0}.story-row+.story-row{margin-top:72px}.story-copy{width:100%;max-width:464px;justify-self:center}.story-copy h3{font-size:34px;line-height:1.2}.story-copy p{margin-top:20px;font-size:20px;line-height:1.65}.story-row.reverse{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.reverse .story-copy{grid-column:2;grid-row:1}.reverse .product-panel{grid-column:1;grid-row:1}.learning-capture{width:100%;min-width:0}.reverse .learning-capture{grid-column:1;grid-row:1}.learning-capture-frame{display:flex;align-items:center;justify-content:center;aspect-ratio:16/10;padding:16px;background:var(--muted);border-radius:16px;overflow:hidden}.learning-capture-frame img{width:100%;height:100%;object-fit:contain}.learning-capture figcaption{display:flex;flex-wrap:wrap;gap:4px 12px;margin-top:16px;font-size:13px;line-height:1.5}.learning-capture figcaption strong{font-weight:600}.learning-demo-frame{padding:0;background:#eaf5fd;aspect-ratio:16/10}.learning-demo{display:block;width:100%;height:100%;object-fit:contain}.learning-capture figcaption{justify-content:space-between;align-items:flex-start;gap:12px}.learning-capture figcaption>div{display:grid;gap:4px;flex:1;min-width:0}.demo-toggle{display:inline-flex;align-items:center;justify-content:center;min-width:60px;min-height:44px;padding:8px 10px;border:0;border-radius:8px;background:transparent;color:var(--blue);font:600 13px Inter,Arial,sans-serif;cursor:pointer}.demo-toggle:hover{background:var(--pale)}.demo-toggle:focus-visible,.learning-demo:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.teaching-scene{min-width:0}.teaching-frame{overflow:hidden;border-radius:20px;box-shadow:0 12px 32px #10265a1a}.teaching-label{display:flex;flex-wrap:wrap;gap:6px 20px;justify-content:space-between;align-items:center;background:var(--pale);padding:18px 22px;font-size:13px}.teaching-label strong{font-size:15px;color:var(--blue);font-weight:600}.teaching-frame img{width:100%;height:auto}.teaching-scene figcaption{display:flex;flex-wrap:wrap;gap:6px 12px;margin-top:16px;font-size:14px}.teaching-scene figcaption strong{font-weight:500}.product-panel{padding:30px 32px;border:1px solid var(--line);border-radius:20px;background:#fff;min-width:0}.panel-topline{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}.panel-topline>strong,.report-label{font-size:18px;font-weight:600;color:var(--blue)}.example{font-size:13px;line-height:1.5;color:var(--body);font-weight:400}.small-label{font-size:14px;margin-bottom:8px}.lesson-outline{margin-top:20px}.lesson-outline>div{padding:12px 0;border-top:1px solid var(--line)}.lesson-outline dt{font-size:13px}.lesson-outline dd{font-size:16px;font-weight:500;color:var(--ink)}.fineprint{font-size:13px;line-height:1.55}.topic-sheet .fineprint{margin-top:16px}.practice-sheet{background:#fff;border:1px solid #d3e3ef;padding:0;overflow:hidden}.practice-header{display:flex;justify-content:space-between;align-items:center;gap:20px;background:var(--pale);padding:20px 28px;color:var(--blue);font-size:14px}.practice-header strong{font-size:18px;font-weight:600}.practice-content{padding:28px 32px 30px}.math-prompt{font-size:20px;color:var(--ink);font-weight:500;line-height:1.55;margin-top:12px}.equation{display:flex;flex-wrap:wrap;gap:18px;color:var(--ink);font-size:38px;font-weight:600;line-height:1.3;margin:24px 0 20px;letter-spacing:-.02em}.equation i,.math-prompt i,.ask-sheet i{font-style:normal}.ask-sheet{background:var(--pale);border:0;padding:0;overflow:hidden}.ask-heading{padding:22px 28px;background:var(--product-blue);color:#fff}.ask-heading>span{font-size:14px;font-weight:500}.ask-heading h4{font-size:24px;color:#fff;margin-top:6px}.ask-content{background:#fff;margin:20px 20px 0;border-radius:12px;padding:24px 28px}.ask-sheet blockquote{font-size:25px;color:var(--ink);font-weight:500;line-height:1.45;margin:16px 0 24px;letter-spacing:-.015em}.ask-support{font-size:14px;padding:16px 28px 20px}.flow-note{font-size:14px;text-align:center;margin-top:40px}.progress-layout{display:grid;grid-template-columns:1.8fr .86fr .86fr;gap:24px;align-items:stretch}.progress-report{padding:28px;border-color:#adcfe9}.progress-report .panel-topline{margin-bottom:12px}.progress-report h3{font-size:26px}.progress-report>p:not(.fineprint){font-size:16px}.status-table{width:100%;border-collapse:collapse;text-align:left;margin-top:28px;font-size:14px;line-height:1.5}.status-table caption{text-align:left;color:var(--ink);font-size:15px;font-weight:600;margin-bottom:12px}.status-table th,.status-table td{padding:16px 12px;border-bottom:1px solid var(--line)}.status-table thead th{background:var(--muted);font-size:12px;color:var(--body);font-weight:500}.status-table tbody th{font-weight:500;color:var(--ink)}.status-table td{width:37%}.status{display:inline-block;padding:5px 10px;border-radius:6px;font-size:12px;font-weight:600;white-space:nowrap}.needs{color:#963c20;background:#fff0e9}.fairly{color:#795604;background:#fff7dc}.prepared{color:#24634f;background:#eaf7ef}.developing{color:#245c85;background:#e9f3fc}.progress-report .fineprint{margin-top:22px}.encouragement{display:contents}.drill-note{padding:28px 24px;background:var(--product-blue);color:var(--white);border-radius:16px}.drill-note h3,.reward-note h3{font-size:24px}.drill-detail{font-size:15px;color:var(--blue);font-weight:600;margin-top:18px}.drill-numbers{display:flex;gap:26px;margin:20px 0 28px}.drill-numbers>div{display:flex;flex-direction:column}.drill-numbers dt{font-size:13px}.drill-numbers dd{order:-1;font-size:40px;line-height:1.2;font-weight:600;color:var(--ink)}.drill-note .fineprint{font-size:14px}.drill-note h3,.drill-note strong,.drill-note .drill-detail,.drill-note .drill-numbers dd{color:var(--white)}.reward-note{display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;gap:24px;border:1px solid var(--line);border-radius:16px;padding:28px 24px 24px}.reward-note p{font-size:15px;margin-top:10px}.reward-note img{width:100%;height:200px;object-fit:cover;object-position:center;align-self:center}.parents{display:grid;grid-template-columns:.75fr 1.35fr;gap:56px;align-items:center}.parent-stage{padding:24px;background:var(--stage-blue);border-radius:24px;min-width:0}.parent-copy>p{margin-top:20px;margin-bottom:32px;max-width:375px}.parent-point+.parent-point{margin-top:22px}.parent-point h3{font-size:18px;letter-spacing:-.01em;font-weight:600}.parent-point p{font-size:15px;margin-top:4px}.parent-report{background:#fff;border:0;padding:28px;box-shadow:0 12px 32px #10265a14}.parent-report .panel-topline{margin-bottom:26px;background:var(--pale);padding:16px;border-radius:10px}.parent-report .report-label{font-size:15px}.parent-report .example{font-size:12px}.parent-report h3{font-size:27px;color:var(--blue)}.parent-report .small-label{margin-top:8px}.summary-grid{display:grid;grid-template-columns:.8fr 1fr 1.05fr;gap:12px;margin:22px 0 28px}.summary-grid>div{background:var(--pale);padding:18px 14px;border-radius:10px}.summary-grid dt{font-size:13px;line-height:1.5;margin-bottom:14px}.summary-grid dd{color:var(--ink);font-size:15px;line-height:1.5;font-weight:600}.summary-grid .minutes dd{font-size:35px;line-height:1.15;letter-spacing:-.02em}.summary-grid .minutes dd span{font-size:16px;font-weight:500}.parent-report h4{font-size:18px;font-weight:600;color:var(--blue)}.activity-records{display:flex;gap:32px;margin-top:12px;padding-bottom:20px;border-bottom:1px solid #cddfe9;font-size:15px;color:var(--ink);font-weight:500}.parent-status{margin-top:24px;font-size:14px}.parent-status caption{color:var(--blue);font-size:18px}.parent-status thead th{background:#e5eef5}.parent-status td,.parent-status th{padding:12px 8px}.parent-status .prepared{background:#e0f0e7}.parent-status .developing{background:#dceaf8}.parent-report>.fineprint{text-align:right;margin-top:18px}.course-levels{display:grid;grid-template-columns:1fr 1fr;gap:56px}.course-levels article{padding:26px 0 28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.course-levels h3{font-size:28px;color:var(--blue)}.year-range{font-size:16px;color:var(--blue);font-weight:500;margin-top:8px;margin-bottom:16px}.course-levels article>p:last-child{font-size:17px}.course-note{margin-top:16px;max-width:800px}.teacher-feature{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:36px;align-items:center;margin-top:40px;padding:36px;border:1px solid var(--line);border-radius:20px}.course-focus{list-style:none;margin:22px 0 0;padding:0;color:var(--ink);font-size:15px}.course-focus li{padding:10px 0;border-top:1px solid var(--line)}.teacher-intro{padding-right:16px}.teacher-intro h3{font-size:26px}.teacher-intro p{font-size:16px;margin-top:18px}.portrait{height:260px;background:var(--pale);border-radius:16px;display:flex;justify-content:center;align-items:flex-end;overflow:hidden}.portrait img{height:245px;width:auto;object-fit:contain}.teacher-profile figcaption{margin-top:16px;line-height:1.5}.teacher-profile strong{font-size:19px;font-weight:600;display:block}.teacher-profile figcaption span{font-size:14px;display:block;margin-top:5px}.faq{display:grid;grid-template-columns:.75fr 1.25fr;gap:96px}.faq-intro p{margin-top:20px;max-width:280px;font-size:17px}.faq-answers article{border-top:1px solid var(--line);padding:24px 0}.faq-answers article:last-child{border-bottom:1px solid var(--line)}.faq-answers h3{font-size:20px;letter-spacing:-.01em}.faq-answers p{font-size:16px;margin-top:12px}.closing{margin-top:104px;padding:56px 0;display:flex;justify-content:space-between;align-items:center;gap:48px;border-top:1px solid var(--line)}.closing h2{font-size:38px}.closing p{font-size:17px;margin-top:16px}.footer{padding-top:32px;padding-bottom:32px;border-top:1px solid var(--line)}.footer-top{display:flex;align-items:center;gap:32px}.footer .brand{width:130px}.footer-top>p{font-size:13px}.footer-labels{margin-left:auto;display:flex;gap:24px;font-size:13px;color:var(--ink)}.copyright{font-size:12px;margin-top:24px}@media(min-width:1600px){.hero{padding-top:56px}}@media(max-width:1050px){.wrap{width:calc(100% - 64px)}.site-header{gap:24px;min-height:100px}.nav-labels{gap:24px}.nav-end{gap:20px}.brand{width:146px}.top-cta{padding-inline:20px}.hero{padding-top:32px}h1{font-size:56px}h2{font-size:36px}.hero-description{font-size:19px}.lesson-scene{grid-template-columns:200px 1fr}.lesson-context{padding:10px 20px 20px}.context-name{font-size:20px}.story-row,.story-row.reverse{gap:48px;grid-template-columns:1fr 1fr}.story-copy h3{font-size:26px}.story-copy p{font-size:17px}.product-panel{padding:26px}.progress-layout{gap:32px;grid-template-columns:1.4fr 1fr}.status-table th,.status-table td{padding:13px 8px}.parents{gap:40px;grid-template-columns:.8fr 1.2fr}.summary-grid{gap:14px}.summary-grid dd{font-size:14px}.teacher-feature{gap:28px;grid-template-columns:1.05fr 1fr 1fr}.portrait{height:230px}.portrait img{height:215px}.teacher-intro h3{font-size:24px}.faq{gap:64px}.footer-top{gap:24px}.footer-labels{gap:16px}}@media(max-width:800px){.wrap{width:calc(100% - 48px)}.top-cta{display:none}.nav-labels{margin-left:auto}.site-header{gap:26px;min-height:88px}.nav-end,.nav-labels{font-size:14px}h1{font-size:48px}h2{font-size:34px}h3{font-size:26px}.hero-description{max-width:550px;margin-inline:auto}.hero-product{margin-top:40px}.lesson-context{padding:8px 18px 20px}.lesson-scene{grid-template-columns:185px 1fr}.context-name{font-size:19px}.lesson-context>p:not(.context-name){font-size:13px}.teacher-caption{padding-top:14px}.section{padding-top:88px}.story-row,.story-row.reverse{gap:36px;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.product-panel{padding:24px}.panel-topline{gap:6px;margin-bottom:20px}.math-prompt{font-size:18px}.equation{font-size:31px}.ask-sheet blockquote{font-size:22px}.story-copy h3{font-size:25px}.story-copy p{font-size:16px}.progress-layout{grid-template-columns:1fr}.encouragement{display:grid;grid-template-columns:1fr 1fr;gap:40px}.drill-note{padding:0}.reward-note{padding:0;border:0;grid-template-columns:1fr 80px}.reward-note img{width:80px}.parents{grid-template-columns:1fr;gap:36px}.parent-copy{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.parent-copy h2{grid-column:1/-1}.parent-copy>p{grid-column:1/-1;max-width:570px;margin:0}.parent-point+.parent-point{margin:0}.parent-point h3{font-size:17px}.parent-point p{font-size:14px}.parent-report{padding:32px}.summary-grid dd{font-size:17px}.summary-grid dt{font-size:14px}.parent-status th,.parent-status td{padding:16px 12px}.course-levels{gap:32px}.teacher-feature{grid-template-columns:1fr 1fr;gap:28px}.teacher-intro{grid-column:1/-1;max-width:580px}.teacher-intro h3 br{display:none}.teacher-intro p{margin-top:12px}.portrait{height:250px}.portrait img{height:235px}.faq{grid-template-columns:1fr;gap:32px}.faq-intro p{max-width:none;margin-top:16px}.faq-intro br{display:none}.closing{margin-top:80px;gap:28px}.closing h2{font-size:32px}.closing p{font-size:15px}.closing .cta{padding-inline:24px}.footer-top{flex-wrap:wrap}.footer-labels{width:100%;margin-left:0}}@media(max-width:540px){body{font-size:17px}.wrap{width:calc(100% - 40px)}.site-header{min-height:84px;gap:16px;flex-wrap:wrap;padding-top:16px;padding-bottom:16px}.brand{width:126px}.nav-labels{order:3;width:100%;margin:0;justify-content:space-between;gap:16px;font-size:13px}.nav-end{margin-left:auto;font-size:13px}.hero{padding-top:32px}h1{font-size:38px;letter-spacing:-.035em;line-height:1.1}h1 br{display:none}h2{font-size:30px;line-height:1.2}h3{font-size:24px}.desktop-break{display:none}.hero-description{font-size:17px;line-height:1.6;margin-top:20px}.hero-levels{font-size:14px;margin-top:8px}.hero-cta{margin-top:24px}.cta{min-height:52px;font-size:15px;padding:15px 27px}.hero-product{margin-top:32px}.lesson-heading{padding:16px;display:grid;gap:3px;font-size:13px;border-radius:16px 16px 0 0}.lesson-scene{display:flex;flex-direction:column-reverse;border-radius:0 0 16px 16px}.lesson-photo{height:auto;aspect-ratio:1580/787;object-fit:contain}.lesson-context{padding:16px;gap:8px}.lesson-context>p:not(.context-name){display:none}.context-name{font-size:18px}.teacher-caption{padding-top:0;margin:0;font-size:12px;display:flex;gap:8px;flex-wrap:wrap}.teacher-caption strong{font-size:12px}.hero-product figcaption{font-size:12px;text-align:left;line-height:1.5}.section{padding-top:72px}.section-intro{margin-bottom:32px}.section-intro p{font-size:17px;margin-top:16px}.centered{text-align:left}.story-row,.story-row.reverse{display:flex;flex-direction:column;gap:24px;margin-top:32px;align-items:stretch}.story-row+.story-row{margin-top:48px}.story-copy{max-width:none}.story-copy h3{font-size:24px}.story-copy p{font-size:17px;margin-top:12px}.product-panel{padding:24px 20px;border-radius:16px}.panel-topline{margin-bottom:20px}.panel-topline>strong{font-size:17px}.example{font-size:12px}.small-label{font-size:13px}.topic-sheet h4{font-size:20px}.lesson-outline dd{font-size:15px}.math-prompt{font-size:18px}.equation{font-size:32px;gap:14px}.ask-sheet blockquote{font-size:22px}.ask-support{font-size:13px}.flow-note{text-align:left;font-size:13px;margin-top:24px}.progress-layout{gap:28px}.progress-report h3{font-size:23px}.progress-report .panel-topline{display:block}.progress-report .example{display:block;margin-top:8px}.progress-report>p:not(.fineprint){font-size:15px}.status-table{font-size:13px;margin-top:24px}.status-table caption{font-size:13px}.status-table th,.status-table td{padding:13px 5px}.status-table thead th{font-size:11px}.status{font-size:11px;padding:4px 7px}.status-table td{width:39%}.fineprint{font-size:12px}.encouragement{grid-template-columns:1fr;gap:24px}.drill-note h3,.reward-note h3{font-size:22px}.drill-format{font-size:20px}.drill-note .fineprint{max-width:300px}.reward-note{padding-top:24px;border-top:1px solid var(--line);grid-template-columns:1fr 90px;gap:18px}.reward-note img{width:90px}.reward-note p{font-size:15px}.parents{gap:28px}.parent-copy{display:block}.parent-copy>p{margin-top:16px;margin-bottom:28px}.parent-point+.parent-point{margin-top:18px}.parent-point h3{font-size:18px}.parent-point p{font-size:15px}.parent-report h3{font-size:25px}.parent-report .panel-topline{margin-bottom:18px}.report-label{font-size:16px}.summary-grid{grid-template-columns:1fr;gap:0;margin:20px 0 24px}.summary-grid>div{display:grid;grid-template-columns:1fr 1.1fr;gap:16px;padding:14px 0;border-bottom:1px solid #cddfe9;align-items:start}.summary-grid dt{font-size:12px;margin:0}.summary-grid dd{font-size:14px}.summary-grid .minutes dd{font-size:30px}.summary-grid .minutes dd span{font-size:14px}.activity-records{gap:28px;font-size:14px}.parent-report>.fineprint{text-align:left}.course-levels{grid-template-columns:1fr;gap:0}.course-levels article{padding:24px 0}.course-levels article+article{border-top:0}.course-levels h3{font-size:25px}.course-levels article>p:last-child{font-size:16px}.year-range{margin-top:6px;margin-bottom:12px;font-size:15px}.teacher-feature{gap:24px 16px;margin-top:36px}.teacher-intro{padding:0}.teacher-intro h3{font-size:24px}.teacher-intro p{font-size:16px}.portrait{height:183px;border-radius:12px}.portrait img{height:174px;max-width:none}.teacher-profile figcaption{margin-top:12px}.teacher-profile strong{font-size:16px}.teacher-profile figcaption span{font-size:12px}.faq{gap:24px}.faq-intro p{font-size:17px}.faq-answers article{padding:22px 0}.faq-answers h3{font-size:19px;line-height:1.4}.faq-answers p{font-size:16px}.closing{margin-top:64px;padding:40px 0;display:block}.closing h2{font-size:30px}.closing p{font-size:16px}.closing .cta{margin-top:24px}.footer{padding-top:24px;padding-bottom:24px}.footer-top{display:block}.footer .brand{width:125px}.footer-top>p{margin-top:12px;font-size:12px}.footer-labels{margin-top:24px;gap:20px;font-size:12px}.copyright{font-size:11px}}.site-header{position:relative;z-index:2;display:block;width:100%;min-height:104px;background:#fff;box-shadow:0 6px 22px #10265a17}.header-inner{width:min(1480px,calc(100% - 112px));min-height:104px;margin:auto;display:flex;align-items:center;gap:64px}.header-inner .brand{width:164px;flex-shrink:0}.header-inner .nav-labels{margin-left:auto;gap:38px;font-size:16px;font-weight:600}.header-inner .nav-end{margin-left:clamp(50px,6.5vw,112px);gap:30px;font-size:16px;font-weight:600}.header-inner .top-cta{display:inline-flex;min-height:48px;padding:12px 27px;border-radius:12px;font-weight:750}.hero{position:relative;isolation:isolate;overflow:hidden;width:100%;margin:0;padding:0;aspect-ratio:2/1;text-align:left;background:#f8f7f4}.hero-scene{position:absolute;inset:0 auto auto 0;width:1774px;height:887px;transform-origin:0 0;pointer-events:none}.study-background{width:1774px;max-width:none;height:887px}.laptop-screen{position:absolute;left:0;top:0;width:1000px;height:650px;transform-origin:0 0;overflow:hidden;background:#fff}.laptop-screen video{display:block;width:100%;height:100%;object-fit:cover}.hero-copy{position:relative;z-index:1;width:37%;margin-left:59%;padding-top:5.4%}.hero h1{font-size:clamp(42px,4.16vw,80px);font-weight:900;line-height:1.055;letter-spacing:-.038em;text-wrap:initial;color:#0b2455}.hero-emphasis{color:inherit}.hero .hero-description{margin:24px 0 0;font-size:clamp(18px,1.55vw,28px);font-weight:650;line-height:1.42;letter-spacing:-.02em;color:#172f5b}.hero-detail{max-width:94%;margin-top:16px;font-size:clamp(15px,1.17vw,21px);font-weight:550;line-height:1.6;color:#344b70}.hero .hero-cta{margin-top:26px;padding:16px 28px;border-radius:12px;font-size:clamp(15px,1.12vw,20px);font-weight:750;min-height:54px}.hero>.hero-barry{position:absolute;z-index:1;left:auto;right:3%;bottom:4.8%;width:14%;height:auto;filter:drop-shadow(0 8px 7px rgba(69,43,21,.12))}.demo-toggle{position:absolute;left:10%;bottom:8%;border:0;border-radius:8px;padding:9px 14px;font:600 12px Inter,sans-serif;line-height:1.3;background:#fff;color:#10265a;box-shadow:0 3px 12px #10265a14;cursor:pointer}.demo-toggle[hidden]{display:none}.demo-toggle:hover{background:#eaf5fd}.demo-toggle:focus-visible{outline:3px solid #006bd6;outline-offset:4px}@media(min-width:1800px){.hero{max-height:900px}.hero-copy{padding-top:6%}}@media(max-width:1100px)and (min-width:761px){.header-inner{width:calc(100% - 64px);gap:28px}.header-inner .nav-labels{gap:24px}.header-inner .nav-end{margin-left:40px;gap:22px}.hero h1{font-size:4.1vw}.hero .hero-description{margin-top:16px;font-size:1.6vw}.hero-detail{font-size:1.35vw;margin-top:10px}.hero .hero-cta{margin-top:18px;min-height:44px;padding:12px 20px}.hero>.hero-barry{width:12%;right:2%;bottom:4%}}@media(max-width:760px){.site-header,.header-inner{min-height:82px}.header-inner{width:calc(100% - 40px);gap:20px}.header-inner .brand{width:128px}.header-inner .nav-labels{display:none}.header-inner .nav-end{margin-left:auto;gap:16px;font-size:14px}.header-inner .top-cta{display:inline-flex;padding:10px 17px;min-height:42px}.hero{aspect-ratio:auto;padding-bottom:54%;background:#fbfaf8}.hero-copy{width:auto;margin:0;padding:42px 24px 30px}.hero h1{font-size:clamp(38px,7vw,54px);line-height:1.06;max-width:600px}.hero .hero-description{margin-top:20px;font-size:20px;max-width:500px}.hero-detail{font-size:16px;max-width:480px}.hero .hero-cta{margin-top:22px}.hero-scene{top:auto;bottom:0}.hero>.hero-barry{right:6%;bottom:3%;width:18%}.demo-toggle{bottom:2%;left:8%;font-size:11px;padding:7px 10px}}.laptop-screen{transform:matrix3d(.8313712075547518,.029407976692786806,0,.00008328310227044403,.024459359206194645,.7286601185968276,0,-.000054893535906194134,0,0,1,0,149,158,0,1)}.laptop-screen video{object-fit:contain;background:#17191b}@media(max-width:760px){.hero-scene{transform-origin:0 100%}}.hero h1 br{display:initial}.site-header{padding:18px 32px 22px;min-height:0;background:#f2f4f6;box-shadow:none}.header-inner{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:32px;width:min(1480px,100%);min-height:84px;padding:14px 30px;border-radius:18px;background:#fff;box-shadow:0 5px 15px #10265a21}.header-inner .brand{width:150px;justify-self:start}.header-inner .nav-labels{justify-self:center;margin:0;gap:40px}.header-inner .nav-end{justify-self:end;margin:0;gap:16px}.header-inner .login-label{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border:1px solid #dce2e9;border-radius:12px;line-height:1.4}@media(max-width:1100px)and (min-width:761px){.site-header{padding:16px 24px 20px}.header-inner{width:100%;gap:24px;padding-inline:22px}.header-inner .nav-labels{gap:28px;margin:0}.header-inner .nav-end{gap:12px;margin:0}.header-inner .brand{width:138px}.header-inner .login-label{padding-inline:14px}}@media(max-width:760px){.site-header{padding:12px 12px 16px}.header-inner{width:100%;min-height:70px;grid-template-columns:1fr auto;gap:12px;padding:12px 16px;border-radius:15px}.header-inner .brand{width:112px}.header-inner .nav-end{grid-column:2;margin:0;gap:10px}.header-inner .login-label{padding:8px 10px;min-height:40px}}.site-header{position:absolute;inset:0 0 auto;z-index:3;background:transparent}@media(min-width:761px){.hero-copy{padding-top:12.5%}.hero .hero-description{margin-top:20px}.hero-detail{margin-top:12px}.hero .hero-cta{margin-top:22px}}@media(max-width:760px){.hero-copy{padding-top:122px}}@media(min-width:761px){.hero-detail{max-width:70%;font-size:clamp(14px,1.1vw,20px)}}.site-header{padding:16px 60px}.header-inner{width:min(1280px,100%);min-height:70px;padding:10px 24px;border-radius:14px;box-shadow:0 4px 12px #10265a1a}.header-inner .brand{width:128px}.header-inner .nav-labels{font-size:15px;gap:34px;font-weight:550}.header-inner .nav-end{font-size:14px;gap:12px;font-weight:550}.header-inner .login-label{min-height:40px;padding:8px 17px;border-radius:10px}.header-inner .top-cta{min-height:40px;padding:9px 21px;border-radius:10px;font-size:14px;font-weight:650}@media(min-width:761px){.hero-detail{max-width:62%}}@media(max-width:1100px)and (min-width:761px){.site-header{padding:14px 36px}.header-inner{padding-inline:20px;gap:20px}.header-inner .brand{width:120px}.header-inner .nav-labels{gap:24px}.header-inner .login-label{padding-inline:12px}}@media(max-width:760px){.site-header{padding:12px}.header-inner{min-height:64px;padding:10px 14px}.header-inner .brand{width:108px}.header-inner .nav-end{gap:8px}.header-inner .login-label{padding-inline:9px}.header-inner .top-cta{padding-inline:14px}}@media(min-width:761px){.hero-copy{width:35.5%;margin-left:61%;padding-top:12%}.hero h1{font-size:clamp(30px,3.35vw,64px);line-height:1.13;letter-spacing:-.035em;font-weight:900;text-wrap:balance}.hero .hero-description{max-width:100%;margin-top:24px;font-size:clamp(17px,1.42vw,25px);line-height:1.5;font-weight:650;letter-spacing:-.015em}.hero-detail{max-width:90%;margin-top:16px;font-size:clamp(14px,1.12vw,20px);line-height:1.6;font-weight:500}.hero .hero-cta{margin-top:26px;min-height:50px;padding:14px 26px}.hero>.hero-barry{width:12%;right:3.4%;bottom:4.8%}}@media(min-width:761px)and (max-width:1100px){.hero-copy{padding-top:13%}.hero .hero-description{margin-top:16px;font-size:1.5vw}.hero-detail{margin-top:12px;font-size:1.25vw}.hero .hero-cta{margin-top:18px;min-height:42px;padding:10px 20px}}.trust-strip{background:#faf7f2;padding:42px 48px 44px;color:var(--ink)}.trust-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:56px;width:min(1120px,100%);margin:0 auto;text-align:center}.trust-metric{position:relative;display:flex;flex-direction:column;align-items:center;padding-top:39px}.trust-metric dt{order:2;margin-top:10px;font-size:15px;font-weight:500;line-height:1.5;color:#4c5b70}.trust-metric svg{position:absolute;top:0;left:calc(50% - 14px);width:28px;height:28px;fill:none;stroke:#7a8a9e;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.trust-metric dd{order:1;font-size:38px;font-weight:750;letter-spacing:-.035em;line-height:1.15;color:#10265a;font-variant-numeric:tabular-nums}.metric-plus{font-size:.82em;margin-left:2px}.metric-unit{font-size:.76em;letter-spacing:-.02em}.trust-strip+.learning{padding-top:80px}@media(max-width:760px){.trust-strip{padding:32px 20px}.trust-metrics{gap:18px}.trust-metric dd{font-size:27px}.trust-metric dt{font-size:12px;max-width:140px}.trust-metric svg{width:24px;height:24px;left:calc(50% - 12px)}.trust-metric{padding-top:34px}.trust-strip+.learning{padding-top:60px}}@media(max-width:440px){.trust-metrics{grid-template-columns:1fr;gap:28px}.trust-metric{min-height:62px;padding:0 0 0 46px;align-items:flex-start;text-align:left;width:250px;max-width:100%;margin:auto}.trust-metric svg{left:0;top:7px}.trust-metric dd{font-size:30px}.trust-metric dt{max-width:none;margin-top:4px;font-size:13px}}@media(min-width:761px){.hero{aspect-ratio:auto;height:clamp(520px,calc(100svh - 180px),900px);max-height:none}.hero-copy{position:absolute;top:22%;left:61%;width:35.5%;margin:0;padding:0}.hero h1{font-size:clamp(30px,min(3.35vw,6.2svh),64px)}.hero .hero-description{margin-top:clamp(16px,2.5svh,24px);font-size:clamp(17px,min(1.42vw,2.65svh),25px)}.hero-detail{margin-top:clamp(12px,1.7svh,16px);font-size:clamp(14px,min(1.12vw,2.1svh),20px)}.hero .hero-cta{margin-top:clamp(18px,2.7svh,26px)}.hero>.hero-barry{width:min(12%,22svh)}.trust-strip{padding-top:32px;padding-bottom:34px}}@media(min-width:761px){.hero{height:100svh;min-height:520px;max-height:none}}@media(max-width:760px){.hero{min-height:100svh}}.site-header{position:fixed;inset:0 0 auto;z-index:100}.trust-strip{background:#eff6fc}.trust-metric svg{stroke:#397cb6}.hero .hero-emphasis{color:#006bd6}.trust-strip{background:#f8fbfd;padding:0 48px}.trust-metrics{width:min(1200px,100%);min-height:150px;gap:0;align-items:center}.trust-metric{display:flex;flex-direction:row;align-items:center;justify-content:center;gap:20px;padding:8px 30px;min-height:68px;text-align:left}.trust-metric+.trust-metric{border-left:1px solid #dce6ee}.trust-metric dd{order:0;flex-shrink:0;font-size:38px;font-weight:700;line-height:1.1;letter-spacing:-.035em}.trust-metric dt{order:1;margin:0;max-width:145px;font-size:14px;font-weight:500;line-height:1.6;color:#465976}.metric-plus,.metric-unit{font-size:.6em;font-weight:600;letter-spacing:0}.metric-plus{margin-left:3px}@media(min-width:761px)and (max-width:1100px){.trust-strip{padding-inline:28px}.trust-metric{gap:14px;padding-inline:20px}.trust-metric dd{font-size:32px}.trust-metric dt{font-size:13px}}@media(max-width:760px){.trust-strip{padding:24px}.trust-metrics{min-height:0;grid-template-columns:1fr;gap:0}.trust-metric{width:100%;max-width:440px;margin:auto;min-height:90px;justify-content:flex-start;padding:20px 8px;gap:24px}.trust-metric+.trust-metric{border-left:0;border-top:1px solid #dce6ee}.trust-metric dd{font-size:32px;min-width:145px}.trust-metric dt{max-width:160px;font-size:13px;margin:0}}.trust-strip{padding:0 48px}.trust-metrics{width:min(1360px,100%);min-height:210px}.trust-metric{padding:48px 26px 12px;min-height:110px;gap:20px}.trust-metric svg{position:absolute;top:0;left:calc(50% - 15px);width:30px;height:30px;fill:none;stroke:#397cb6;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}@media(max-width:1100px)and (min-width:761px){.trust-metric{padding-inline:20px;gap:14px}}@media(max-width:760px){.trust-strip{padding:24px}.trust-metrics{min-height:0}.trust-metric{padding:56px 8px 24px;min-height:132px}.trust-metric svg{top:18px;left:8px;width:28px;height:28px}}.trust-strip{background:#fff;padding:40px 48px}.trust-metrics{width:min(1360px,100%);min-height:0;gap:32px;align-items:stretch}.trust-metric,.trust-metric+.trust-metric{display:flex;flex-direction:column;justify-content:flex-start;align-items:center;gap:0;width:100%;max-width:none;min-height:194px;margin:0;padding:88px 24px 30px;border:1px solid #e2e4e7;border-radius:42px;text-align:center;background:#fff}.trust-metric svg{top:30px;left:calc(50% - 16px);width:32px;height:32px;stroke:#b8bec5;stroke-width:1.8}.trust-metric dd{order:0;min-width:0;font-size:34px;line-height:1.15;font-weight:600;letter-spacing:-.025em}.trust-metric dt{order:1;max-width:none;margin:10px 0 0;font-size:14px;line-height:1.5;font-weight:400;color:#77808c}.metric-plus,.metric-unit{font-size:1em;font-weight:inherit;letter-spacing:inherit}@media(min-width:761px)and (max-width:1100px){.trust-strip{padding:32px 28px}.trust-metrics{gap:20px}.trust-metric,.trust-metric+.trust-metric{padding-inline:16px;border-radius:32px}.trust-metric dd{font-size:30px}.trust-metric dt{font-size:13px}}@media(max-width:760px){.trust-strip{padding:28px 24px}.trust-metrics{grid-template-columns:1fr;gap:16px;max-width:440px}.trust-metric,.trust-metric+.trust-metric{min-height:182px;padding:80px 20px 26px;border-radius:32px}.trust-metric svg{top:26px;left:calc(50% - 15px);width:30px;height:30px}.trust-metric dd{font-size:32px}.trust-metric dt{font-size:14px}}.trust-metric svg{stroke:#2475ce}.trust-metric dd{color:#006bd6}.trust-metric,.trust-metric+.trust-metric{background:#10265a;border-color:#10265a}.trust-metric svg{stroke:#9dccff}.trust-metric dt{color:#d2def0}.trust-metric,.trust-metric+.trust-metric{background:#edf5ff;border-color:#d3e5fa}.trust-metric dt{color:#456180}.trust-metric,.trust-metric+.trust-metric{background:#fff1e5;border-color:#f6dcc7}.trust-metric svg{stroke:#e8792b}.trust-metric dd{color:#10265a}.trust-metric dt{color:#626579}.laptop-screen{transform:matrix3d(.5925996705012841,.027727425619669246,0,.00006908032103242931,.008265146138048865,.4537876026988268,0,-.00007795672073091687,0,0,1,0,175,324,0,1)}.learning-capture .demo-toggle{position:static;left:auto;bottom:auto;box-shadow:none}.learning-connector{width:100%;max-width:1104px;height:148px;margin:-8px auto;pointer-events:none}.learning-connector picture,.learning-connector img{display:block;width:100%;height:100%}.learning .learning-connector+.story-row{margin-top:0}@media(max-width:760px){.learning-connector{height:92px;margin:8px auto}.learning-connector img{object-fit:contain}}.learning.wrap{width:min(1280px,calc(100% - 64px))}.learning .story-row{max-width:1240px;gap:56px}.learning .story-copy{max-width:520px}.learning .story-copy h3{font-size:clamp(30px,2.6vw,36px)}@media(max-width:1050px)and (min-width:761px){.learning .story-row{gap:40px}.learning .story-copy h3{font-size:30px}.learning .story-copy p{font-size:19px}}@media(max-width:760px){.learning.wrap{width:calc(100% - 32px)}.learning .story-row{display:flex;flex-direction:column;gap:26px;align-items:stretch}.learning .story-copy{max-width:none}.learning .story-copy h3{font-size:29px}.learning .story-copy p{font-size:18px}}.hero>.hero-barry{width:min(17%,32svh);right:4%;bottom:4.8%;padding:0;border:0;background:transparent;cursor:pointer;line-height:0;aspect-ratio:1;overflow:visible}@media(min-width:761px){.hero-copy{left:57%;width:39%}}@media(max-width:760px){.hero>.hero-barry{width:26%;right:3%;bottom:3%}}.hero>.hero-barry{cursor:default;filter:none;isolation:isolate}.hero-barry img{position:relative;z-index:1;width:100%;height:auto;filter:drop-shadow(2px 3px 2px rgba(69,43,21,.18)) drop-shadow(8px 10px 8px rgba(69,43,21,.13))}.hero-barry:before{content:"";position:absolute;z-index:0;left:13%;bottom:.5%;width:82%;height:10%;border-radius:50%;background:radial-gradient(ellipse,rgba(65,43,28,.3),rgba(65,43,28,.13) 45%,transparent 72%);transform:translate(8%) skew(-22deg);filter:blur(4px)}.hero-barry:after{content:"";position:absolute;z-index:0;left:23%;bottom:-1%;width:92%;height:13%;border-radius:50%;background:radial-gradient(ellipse,rgba(88,65,46,.16),transparent 70%);transform:rotate(-7deg);filter:blur(7px)}.hero-barry img{filter:none}.hero-barry:before,.hero-barry:after{content:none}.hero-barry:before{content:"";position:absolute;inset:0;width:100%;height:100%;border-radius:0;background:#665442;mask:url(../../images/redesign/barry-window-lit.png) center/contain no-repeat;-webkit-mask:url(../../images/redesign/barry-window-lit.png) center/contain no-repeat;transform-origin:50% 97%;transform:matrix(1,0,-.48,.22,0,0);filter:blur(6px);opacity:.22;z-index:0}.hero-barry:after{content:"";position:absolute;inset:auto auto 1.5% 13%;width:76%;height:4%;border-radius:50%;background:radial-gradient(ellipse,rgba(66,47,31,.36),rgba(66,47,31,.12) 48%,transparent 74%);transform:rotate(-3deg);filter:blur(2px);z-index:0}.hero-barry img{clip-path:polygon(0 0,100% 0,100% 88%,89% 88%,89% 90%,61% 97%,56% 97%,11% 91%,11% 88%,0 88%)}.hero-barry:before{mask-image:url(../../images/redesign/barry-desktop-figure.png);-webkit-mask-image:url(../../images/redesign/barry-desktop-figure.png)}.trust-metric,.trust-metric+.trust-metric{background:#0868c9;border-color:#0868c9}.trust-metric dd{color:#fff}.trust-metric dt{color:#e7f2ff}.trust-metric svg{stroke:#c8e3ff}.feedback{--card-blue-idle:#2b5e98;--card-blue-hover:var(--card-blue-idle);--card-blue-active:#15365f;--card-blue-ink:#fff;--card-purple-idle:var(--card-blue-idle);--card-purple-hover:var(--card-blue-hover);--card-purple-active:var(--card-blue-active);--card-purple-ink:var(--card-blue-ink);--card-warm-idle:var(--card-blue-idle);--card-warm-hover:var(--card-blue-hover);--card-warm-active:var(--card-blue-active);--card-warm-ink:var(--card-blue-ink);color:var(--body);font-family:Inter,Arial,sans-serif;line-height:1.65}.feedback .fb-panel{--ink:#fff;--body:#fff}.feedback .fb-panel.fb-active{--ink:#fff;--body:#fff;--accent:#fff;border-color:transparent}.feedback .fb-product-capture{--ink:#112e63;--body:#344b70;--accent:#1261df;color:var(--body)}.feedback .fb-panel.fb-active .fb-toggle-symbol{background:#fff;border-color:#fff;color:var(--scene)}.feedback .fb-panel .fb-cover-bottom,.feedback .fb-active .fb-status-guide,.feedback .fb-active .fb-unlock{border-top-color:#ffffff40}.feedback .fb-panel .fb-stage-visual{background:#ffffff1f}.feedback header{text-align:center;margin-bottom:40px}.feedback .fb-heading{font-size:40px;line-height:1.18;font-weight:700;letter-spacing:-.025em}.feedback .fb-heading br{display:none}.feedback header p{font-size:18px;line-height:1.65;max-width:760px;margin:16px auto 0}.feedback .fb-gallery{display:flex;gap:16px;align-items:stretch}.feedback .fb-panel{--idle:#e0e9f2;--hover:#cdddeb;--scene:#b8cce1;--accent:#203f61;display:flex;flex-direction:column;position:relative;min-width:0;flex:1 1 0;min-height:460px;background:var(--idle);border:1px solid transparent;border-radius:18px;overflow:hidden;cursor:pointer;transition:flex-grow .5s cubic-bezier(.22,1,.36,1),background .3s,border-color .3s}.feedback .fb-practice{--idle:#e7e3f0;--hover:#d8d1e6;--scene:#c8bedc;--accent:#382650}.feedback .fb-rewards{--idle:#f0e2e8;--hover:#e6d1db;--scene:#dcbcca;--accent:#54253b}.feedback .fb-panel.fb-active{flex-grow:2.8;background:var(--scene);cursor:default}.feedback .fb-panel:not(.fb-active):hover{background:var(--hover)}.feedback .fb-panel-toggle{position:relative;display:flex;flex-direction:column;gap:32px;width:100%;padding:28px 28px 0;text-align:left;border:0;background:transparent;font:inherit;color:var(--ink);cursor:pointer}.feedback .fb-category{font-size:13px;font-weight:500;line-height:1.5;color:var(--accent);padding-right:28px}.feedback .fb-panel-title{font-size:28px;line-height:1.22;letter-spacing:-.025em;font-weight:700;max-width:230px;text-wrap:balance}.feedback .fb-active .fb-panel-title{max-width:none}.feedback .fb-toggle-symbol{position:absolute;top:24px;right:24px;width:28px;height:28px;border:1px solid currentColor;border-radius:50%;display:grid;place-items:center;color:var(--accent);font-size:20px;line-height:1;font-weight:400}.feedback .fb-active .fb-toggle-symbol{background:var(--accent);border-color:var(--accent);color:#fff}.feedback .fb-cover{display:flex;flex-direction:column;flex:1;padding:20px 28px 28px;min-height:240px}.feedback .fb-active .fb-cover{display:none}.feedback .fb-cover-description{font-size:18px;line-height:1.6;margin:0;max-width:240px}.feedback .fb-cover-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:20px;border-top:1px solid #233c5526;color:var(--accent);font-size:13px;line-height:1.5}.feedback .fb-cover-bottom b{font-size:20px;font-weight:400}.feedback .fb-detail{padding:24px 28px 28px;animation:fb-reveal .35s both}.feedback .fb-detail[hidden]{display:none}.feedback .fb-stage-visual{padding:16px;background:#ffffff70;border-radius:12px}.feedback .fb-product-capture{margin:0;background:#fff;border-radius:6px;overflow:hidden;box-shadow:0 3px 12px #1839540a}.feedback .fb-image-button{display:block;width:100%;padding:12px;border:0;background:#fff;cursor:zoom-in}.feedback .fb-image-button img{display:block;width:100%;height:auto;max-height:300px;object-fit:contain}.feedback .fb-product-capture figcaption{display:flex;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid #edf0f2;padding:8px 12px;font-size:13px;line-height:1.5}.feedback .fb-enlarge{border:0;background:transparent;color:var(--accent);font:inherit;text-decoration:underline;text-underline-offset:3px;cursor:pointer;padding:4px 0}.feedback .fb-stage-copy{margin-top:20px}.feedback .fb-stage-copy h3,.feedback .fb-reward-copy>strong{display:none}.feedback .fb-stage-copy p{font-size:18px;line-height:1.65;margin:0}.feedback .fb-status-guide,.feedback .fb-unlock{margin-top:16px;padding-top:14px;border-top:1px solid #233c5526}.feedback .fb-status-guide summary{font-size:13px;font-weight:600;cursor:pointer;color:var(--accent)}.feedback .fb-status-guide p,.feedback .fb-unlock p,.feedback .fb-stage-copy .fb-reward-note{font-size:13px;line-height:1.6}.feedback .fb-status-guide p{margin-top:10px}.feedback .fb-status-guide ol{display:flex;flex-wrap:wrap;gap:8px 16px;padding:0;list-style-position:inside;font-size:13px;margin:10px 0}.feedback .fb-unlock strong{display:block;margin-bottom:4px}.feedback .fb-stage-copy .fb-reward-note{margin-top:16px}.feedback button:focus-visible{outline:3px solid var(--accent);outline-offset:-3px}.feedback-viewer{width:min(1200px,94vw);max-height:92vh;padding:24px;border:0;border-radius:16px;color:var(--body);font-family:Inter,Arial,sans-serif}.feedback-viewer::backdrop{background:#10263acc}.feedback-viewer-bar{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:16px}.feedback-viewer-bar h2{font-size:28px;line-height:1.25}.feedback-viewer-close{border:1px solid transparent;border-radius:8px;background:var(--orange);padding:10px 16px;color:#fff;font:600 16px Inter,Arial,sans-serif;cursor:pointer}.feedback-viewer-close:hover{background:var(--orange-hover,var(--orange))}.feedback-viewer img{display:block;width:100%;height:auto}.fb-progress-crop{display:block;position:relative;overflow:hidden;aspect-ratio:840/396;background:#fff}.feedback .fb-progress-crop img,.feedback-viewer .fb-progress-crop img{position:absolute;width:154.762%;max-width:none;max-height:none;height:auto;left:-40.9524%;top:-22.4747%}.feedback-viewer p{font-size:13px;line-height:1.5;margin-top:16px}@keyframes fb-reveal{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1100px){.feedback .fb-panel-toggle{padding:24px 20px 0}.feedback .fb-cover{padding:20px}.feedback .fb-detail{padding:24px 20px}.feedback .fb-panel-title{font-size:25px}.feedback .fb-stage-visual{padding:10px}}@media(max-width:850px){.feedback .fb-gallery{display:block}.feedback .fb-panel{min-height:0;margin-bottom:16px}.feedback .fb-panel-toggle{gap:16px;padding-bottom:20px}.feedback .fb-panel-title{max-width:none;font-size:28px}.feedback .fb-cover{min-height:170px;padding-top:0}.feedback .fb-detail{padding-top:0}.feedback .fb-heading{font-size:34px}}@media(prefers-reduced-motion:reduce){.feedback *{animation:none!important;transition:none!important}}.feedback header{margin-bottom:112px}.feedback .fb-panel{overflow:visible}.feedback .fb-detail{min-width:0;overflow:hidden;border-radius:0 0 18px 18px}.feedback .fb-barry{--edge:94px;position:absolute;z-index:2;top:calc(-1 * var(--edge));left:50%;width:164px;height:119px;transform:translate(-50%);overflow:hidden;pointer-events:none;user-select:none}.feedback .fb-barry-rig{position:absolute;inset:0;opacity:0;transform:translateY(115px);transform-origin:50% 85%}.feedback .fb-barry-face-window{position:absolute;inset:0 0 auto;height:calc(var(--edge) + 1px);overflow:hidden}.feedback .fb-barry-head{position:absolute;width:116px;height:91px;left:24px;top:18px;transform-origin:50% 92%}.feedback .fb-barry-left,.feedback .fb-barry-right{position:absolute;width:33px;height:25px;top:calc(var(--edge) - 5px);opacity:0;transform:translateY(24px);transform-origin:50% 20%;filter:drop-shadow(0 1px 0 #603b3520)}.feedback .fb-barry-left{left:16px}.feedback .fb-barry-right{right:16px}.feedback .fb-barry svg{width:100%;height:100%;display:block;overflow:hidden}.feedback .fb-party-popper{position:absolute;z-index:-1;left:13px;top:-36px;width:36px;height:54px;opacity:0;transform:rotate(32deg) scale(.8);transform-origin:50% 90%}.feedback .fb-party-popper svg{overflow:visible}.feedback .fb-barry{overflow:visible;clip-path:inset(-70px -100px 0)}.feedback .fb-confetti{position:absolute;z-index:4;width:6px;height:10px;opacity:0;pointer-events:none;user-select:none}@media(max-width:850px){.feedback header{margin-bottom:104px}.feedback .fb-panel+.fb-panel{margin-top:108px}}.feedback .fb-heading .fb-heading-accent{color:var(--blue)}.hero.hero-illustration{border-radius:0 0 48px 48px}.trust-strip{position:relative;padding-top:56px;padding-bottom:64px}.trust-strip:after{content:"";position:absolute;bottom:0;left:50%;width:1px;height:40px;background:#b7cce0}.trust-strip+.learning{padding-top:54px}.learning{padding-bottom:96px}.learning .flow-note{margin-top:48px;color:#5e708a}.chapter-surface{--chapter-inset:0px;--chapter-radius:64px;position:relative;isolation:isolate;padding:70px 0 90px}.chapter-surface:before{content:"";position:absolute;inset:0;z-index:-1;background:var(--chapter-color);clip-path:inset(0 var(--chapter-inset) round var(--chapter-radius) var(--chapter-radius) 0 0);pointer-events:none}.chapter-feedback{--chapter-color:#edf4fa}.chapter-feedback:before{content:none}.chapter-lead{display:flex;align-items:center;justify-content:center;gap:20px;margin-bottom:30px;color:#4b6480;font-size:15px;line-height:1.5;text-align:center}.chapter-rule{display:block;width:48px;height:1px;flex-shrink:0;background:#9db7d1}.chapter-feedback .feedback,.chapter-courses .courses{padding-top:0}.chapter-feedback .feedback header{margin-bottom:68px}.chapter-feedback .feedback .fb-heading{font-size:clamp(36px,3.8vw,54px);line-height:1.12;letter-spacing:-.035em}.perspective-bridge{padding-top:76px;padding-bottom:58px;text-align:center}.bridge-thread{position:relative;display:block;width:1px;height:76px;margin:0 auto 30px;background:#c9d8e7}.bridge-thread i{position:absolute;left:-3px;top:0;width:7px;height:7px;border-radius:50%;background:#006bd6;transform:translateY(var(--thread-y,69px))}.perspective-bridge p{font-size:clamp(28px,3.2vw,46px);font-weight:500;line-height:1.25;letter-spacing:-.035em;color:#526c89}.perspective-bridge p span{color:#10265a}.parents.section{padding-top:0;padding-bottom:112px}.parents .parent-stage{background:#e8f2fb;padding:30px;border-radius:30px}.parents .parent-report{box-shadow:0 18px 46px -24px #264c7b55}.chapter-courses{--chapter-color:#f2f6fa;padding-bottom:96px}.chapter-courses .teacher-feature{background:#fff;border:0;box-shadow:0 12px 40px -28px #16366438}.chapter-courses .courses h2{font-size:clamp(36px,3.8vw,54px);letter-spacing:-.035em;line-height:1.12}.faq.section{position:relative;padding-top:104px;padding-bottom:104px}.faq-intro:before{content:"";display:block;width:48px;height:2px;background:#006bd6;margin-bottom:28px}.chapter-closing{--chapter-color:#10265a;padding:0}.chapter-closing .closing{position:relative;margin-top:0;padding:88px 0 94px;border:0;min-height:330px}.chapter-closing h2{color:#fff;font-size:clamp(36px,4vw,56px);font-weight:600;line-height:1.13;letter-spacing:-.035em}.chapter-closing p{color:#d1ddec;max-width:480px}.chapter-closing .cta{min-height:60px;padding-inline:34px;background:#ff8a50;color:#10265a}.footer{border-top:0;padding-top:42px;padding-bottom:34px}.learning-connector.connector-enhanced picture{display:none}.learning .learning-connector{position:relative;left:50%;transform:translate(-50%);width:var(--connector-viewport,100%);max-width:none;height:240px;margin:12px 0;overflow:hidden;isolation:isolate}.learning-connector .connector-art{display:block;width:100%;height:100%}.learning-connector .connector-stroke{stroke:#2468df;stroke-width:clamp(48px,5.5vw,80px)}@media(max-width:760px){.learning .learning-connector{height:172px;margin:12px 0}.learning-connector .connector-stroke{stroke-width:32px}.learning .learning-connector img{object-fit:fill}}@media(min-width:1060px)and (prefers-reduced-motion:no-preference){.chapters-motion .chapter-surface{--chapter-inset:28px;--chapter-radius:90px}}@media(max-width:1059px){.hero.hero-illustration{border-radius:0 0 32px 32px}.chapter-surface{--chapter-radius:40px;padding-top:58px;padding-bottom:66px}.chapter-closing{padding:0}.parents.section{padding-bottom:80px}.chapter-closing .closing{padding:66px 0}}@media(max-width:760px){.trust-strip{padding-top:32px;padding-bottom:52px}.learning{padding-bottom:64px}.chapter-surface{--chapter-radius:28px;padding-top:44px;padding-bottom:52px}.chapter-lead{gap:12px;margin-bottom:24px;font-size:13px;text-align:left}.chapter-rule{width:24px}.chapter-feedback .feedback header{margin-bottom:46px}.chapter-feedback .feedback .fb-heading,.chapter-courses .courses h2{font-size:34px}.perspective-bridge{padding-top:42px;padding-bottom:38px}.bridge-thread{height:48px;margin-bottom:24px}.bridge-thread i{transform:translateY(41px)}.perspective-bridge p{font-size:clamp(25px,6.8vw,34px)}.parents .parent-stage{padding:16px;border-radius:22px}.parents.section{padding-bottom:64px}.faq.section{padding-top:64px;padding-bottom:64px}.chapter-closing{padding:0}.chapter-closing .closing{padding:52px 0 58px;min-height:0;align-items:flex-start;gap:30px}.chapter-closing h2{font-size:36px}}@media(prefers-reduced-motion:reduce){.chapter-surface{--chapter-inset:0px!important}}.pv-visual{position:relative;min-width:0;padding:30px 0 65px;color:#102858;font-family:Inter,Arial,sans-serif;line-height:1.5}.pv-folder{position:relative;isolation:isolate}.pv-folder-tabs{display:grid;grid-template-columns:1.1fr .95fr 1.05fr;gap:5px;padding:0 13px;position:relative;z-index:3}.pv-folder-tabs button{--tab-idle:#e0e9f2;--tab-hover:#cdddeb;--tab-active:#b8cce1;--tab-ink:#203f61;appearance:none;border:0;border-radius:12px 12px 0 0;padding:17px 7px 16px;min-height:50px;font:550 12px/1.4 Inter,Arial,sans-serif;background:var(--tab-idle);color:var(--tab-ink);position:relative;cursor:pointer;transition:background .2s}.pv-folder-tabs button:nth-child(2){--tab-idle:#e7e3f0;--tab-hover:#d8d1e6;--tab-active:#c8bedc;--tab-ink:#382650}.pv-folder-tabs button:nth-child(3){--tab-idle:#f0e2e8;--tab-hover:#e6d1db;--tab-active:#dcbcca;--tab-ink:#54253b}.pv-folder-tabs button:not([aria-selected=true]):hover{background:var(--tab-hover)}.pv-folder-tabs button[aria-selected=true]{background:var(--tab-active)}.pv-folder-tabs button[aria-selected=true]:after{content:"";position:absolute;bottom:7px;left:calc(50% - 10px);width:20px;height:2px;border-radius:2px;background:var(--tab-ink)}.pv-paper{position:relative;z-index:2;background:#fff;border-radius:15px;padding:25px 22px 0;min-height:451px;box-shadow:0 18px 48px #26374612,0 4px 10px #26374608}.pv-paper-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;color:#67768a;font-size:11px;line-height:1.4;padding:0 12px 25px}.pv-example-label{border:1px solid #dfe5ec;border-radius:4px;padding:4px 6px;white-space:nowrap}.pv-report-panel{min-height:345px}.pv-report-panel[hidden]{display:none!important}.pv-report-heading{margin:7px 12px 0}.pv-report-heading h3{font-size:25px;line-height:1.15;letter-spacing:-.035em;font-weight:550;margin:0 0 8px;color:#102858;text-wrap:initial}.pv-report-heading p{font-size:12px;color:#56667e;line-height:1.5;margin:0}.pv-product-figure{margin:0;padding:0}.pv-product-figure img{display:block;width:100%;height:auto}.pv-summary-figure{margin:48px 0 32px}.pv-screenshot-link{display:block;cursor:zoom-in;border-radius:2px;touch-action:manipulation}.pv-screenshot-link:hover{outline:1px solid #c9d8ed;outline-offset:5px}.pv-screen-caption{font-size:12px;color:#56667e;line-height:1.7;margin:22px 12px 24px;max-width:60ch}.pv-paper-footer{display:flex;gap:8px;align-items:center;border-top:1px solid #e9edf2;padding:14px 0 16px;margin:0 12px;color:#617188;font-size:11px}.pv-separator{padding:0 8px;color:#a7b3c2}.pv-visual-caption{display:flex;gap:15px;align-items:center;margin:25px 130px 0 4px;color:#62738a;font-size:11px}.pv-visual-caption p{margin:0;line-height:1.6}.pv-caption-rule{width:35px;height:1px;background:#cbd3df;margin-left:auto}.pv-visual-caption>span:last-child{white-space:nowrap;font-variant-numeric:tabular-nums}.pv-barry{position:absolute;right:-20px;bottom:0;width:122px;height:auto;pointer-events:none;z-index:4}.pv-visual button:focus-visible,.pv-visual a:focus-visible,.pv-visual [tabindex]:focus-visible{outline:3px solid #1260de;outline-offset:5px}.pv-report-panel.pv-entering{animation:pv-arrive .38s cubic-bezier(.22,1,.36,1) both}@keyframes pv-arrive{0%{opacity:.35;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1100px){.pv-folder-tabs button{font-size:11px}.pv-barry{right:-10px;width:105px}.pv-visual-caption{margin-right:100px}.pv-caption-rule{display:none}}@media(max-width:850px){.pv-visual{margin-top:24px}.pv-paper{padding:22px 12px 0;min-height:0}.pv-report-panel{min-height:240px}.pv-paper-meta{padding:0 6px 23px}.pv-report-heading{margin:4px 6px 0}.pv-report-heading h3{font-size:23px}.pv-summary-figure{margin:35px 0 25px}.pv-screen-caption{margin:20px 6px;font-size:11px}.pv-paper-footer{margin:0 6px}.pv-barry{right:0;width:90px}.pv-folder-tabs{padding:0 3px;gap:3px}.pv-folder-tabs button{padding-left:3px;padding-right:3px}}@media(prefers-reduced-motion:reduce){.pv-visual *{animation:none!important;transition:none!important}}#parent-view{scroll-margin-top:120px}:root{--ink:#112e63;--body:#344b70;--blue:#1261df;--product-blue:#1261df;--pale:#e4efff;--stage-blue:#c4ddff;--orange:#ff823d;--line:#cadcf1;--muted:#f1f6ff;--text-secondary:#4e6485;--text-section:clamp(34px,3.6vw,48px);--text-feature:clamp(26px,2.3vw,32px);--text-body:18px;--text-intro:20px;--text-note:14px;--card-blue-idle:#d3e6ff;--card-blue-hover:#c3ddff;--card-blue-active:#afd1ff;--card-blue-ink:#163f83;--card-purple-idle:#e4dcff;--card-purple-hover:#d8ccff;--card-purple-active:#cdbaff;--card-purple-ink:#4d3284;--card-warm-idle:#ffe0c6;--card-warm-hover:#ffd3b1;--card-warm-active:#ffc896;--card-warm-ink:#713a17}body{color:var(--body);font-size:var(--text-body)}h1,h2,h3,h4,strong{color:var(--ink)}.section-intro h2,.chapter-feedback .feedback .fb-heading,.parents .parent-copy h2,.chapter-courses .courses h2,.faq .faq-intro h2,.chapter-closing .closing h2{font-size:var(--text-section);font-weight:700;line-height:1.16;letter-spacing:-.035em}.section-intro p,.feedback header p,.parent-copy>p{color:var(--body);font-size:var(--text-intro);font-weight:400;line-height:1.6}.story-copy h3{font-size:var(--text-feature);font-weight:700;line-height:1.23;letter-spacing:-.025em}.story-copy p{color:var(--body);font-size:var(--text-body);line-height:1.65}.hero h1{color:var(--ink);font-weight:700;letter-spacing:-.035em;line-height:1.13}.hero .hero-emphasis{color:var(--blue)}.hero .hero-description{color:var(--ink);font-weight:600;line-height:1.5}.hero .hero-detail{color:var(--body);font-weight:400;line-height:1.6}.header-inner .nav-labels,.header-inner .nav-end{color:var(--ink);font-weight:600}.header-inner .login-label{border-color:var(--line)}.cta,.hero .hero-cta,.header-inner .top-cta,.chapter-closing .cta{background:var(--orange);color:#fff;font-weight:700;letter-spacing:-.01em}.hero .hero-cta,.chapter-closing .cta{font-size:18px}.header-inner .top-cta{font-size:14px}.trust-metric,.trust-metric+.trust-metric{background:#fff;border-color:#3985d5}.trust-metric dd{color:#0868c9;font-weight:700;font-size:44px;line-height:1.12}.trust-metric dt{color:#465976;font-size:15px;font-weight:500}.trust-metric svg{stroke:#0868c9}.trust-strip:after,.bridge-thread{background:#b2cef1}.learning .flow-note,.fineprint,.course-note{color:var(--text-secondary);font-size:var(--text-note);line-height:1.6}.chapter-feedback,.chapter-courses{--chapter-color:#e4efff}.chapter-lead{color:var(--card-blue-ink);font-size:15px;font-weight:500}.chapter-rule,.pv-caption-rule{background:#7fa9e6}.perspective-bridge p{color:var(--blue);font-size:clamp(28px,3.1vw,42px);font-weight:600;line-height:1.25}.perspective-bridge p span{color:var(--ink)}.bridge-thread i,.faq-intro:before{background:var(--blue)}.feedback{--body:#344b70;color:var(--body)}.feedback .fb-progress{--idle:var(--card-blue-idle);--hover:var(--card-blue-hover);--scene:var(--card-blue-active);--accent:var(--card-blue-ink)}.feedback .fb-practice{--idle:var(--card-purple-idle);--hover:var(--card-purple-hover);--scene:var(--card-purple-active);--accent:var(--card-purple-ink)}.feedback .fb-rewards{--idle:var(--card-warm-idle);--hover:var(--card-warm-hover);--scene:var(--card-warm-active);--accent:var(--card-warm-ink)}.feedback .fb-panel-title{color:var(--ink);font-size:28px;font-weight:700;line-height:1.23;letter-spacing:-.025em}.feedback .fb-cover-description,.feedback .fb-stage-copy p{font-size:var(--text-body);color:var(--body);line-height:1.6}.feedback .fb-category{font-size:14px;font-weight:600}.feedback .fb-cover-bottom,.feedback .fb-product-capture figcaption,.feedback .fb-status-guide summary,.feedback .fb-status-guide p,.feedback .fb-unlock p,.feedback .fb-stage-copy .fb-reward-note{font-size:var(--text-note)}.feedback .fb-stage-visual{background:#ffffffa6}.parents .parent-point h3{font-size:20px;font-weight:600;line-height:1.3}.parents .parent-point p{font-size:16px;color:var(--body);line-height:1.6}.pv-visual{color:var(--body)}.pv-folder-tabs button{--tab-idle:var(--card-blue-idle);--tab-hover:var(--card-blue-hover);--tab-active:var(--card-blue-active);--tab-ink:var(--card-blue-ink);font-size:13px;font-weight:600}.pv-folder-tabs button:nth-child(2){--tab-idle:var(--card-purple-idle);--tab-hover:var(--card-purple-hover);--tab-active:var(--card-purple-active);--tab-ink:var(--card-purple-ink)}.pv-folder-tabs button:nth-child(3){--tab-idle:var(--card-warm-idle);--tab-hover:var(--card-warm-hover);--tab-active:var(--card-warm-active);--tab-ink:var(--card-warm-ink)}.pv-paper{box-shadow:0 18px 48px #1261df14,0 4px 10px #112e6308}.pv-paper-meta,.pv-paper-footer,.pv-visual-caption{color:var(--text-secondary);font-size:12px}.pv-report-heading h3{color:var(--ink);font-size:26px;font-weight:600;line-height:1.25;letter-spacing:-.025em}.pv-report-heading p,.pv-screen-caption{color:var(--body);font-size:14px;line-height:1.6}.pv-example-label,.pv-paper-footer{border-color:var(--line)}.course-levels h3,.teacher-intro h3{font-size:28px;font-weight:700;line-height:1.25}.course-levels h3,.year-range{color:var(--blue)}.course-levels article>p:last-child,.teacher-intro p{color:var(--body);font-size:18px;line-height:1.6}.course-focus{color:var(--body);font-size:16px}.portrait{background:var(--stage-blue)}.teacher-profile strong{color:var(--ink);font-size:20px;font-weight:600}.teacher-profile figcaption span{color:var(--text-secondary);font-size:14px}.faq-intro p{color:var(--body);font-size:18px;line-height:1.6}.faq-answers h3{font-size:20px;font-weight:600;line-height:1.4}.faq-answers p{color:var(--body);font-size:17px;line-height:1.65}.chapter-closing{--chapter-color:#174cb7}.chapter-closing .closing h2{color:#fff}.chapter-closing p{color:#fff;font-size:18px;line-height:1.6}.footer-top>p,.footer-labels,.copyright{color:var(--text-secondary);font-size:14px}@media(min-width:761px){.hero h1{font-size:clamp(32px,3.5vw,56px)}.hero .hero-description{font-size:clamp(18px,1.55vw,22px)}.hero .hero-detail{font-size:clamp(15px,1.25vw,18px)}}@media(max-width:1100px)and (min-width:851px){.feedback .fb-panel-title{font-size:25px}.pv-folder-tabs button{font-size:12px}}@media(max-width:760px){:root{--text-section:34px;--text-feature:27px;--text-intro:18px;--text-body:17px}.hero h1{font-size:clamp(34px,8vw,48px)}.hero .hero-description{font-size:20px}.hero .hero-detail{font-size:16px}.trust-metric dd{font-size:38px}.trust-metric dt,.chapter-lead{font-size:14px}.perspective-bridge p{font-size:clamp(26px,6.8vw,34px)}.pv-folder-tabs button{font-size:11px}.pv-report-heading h3{font-size:23px}.pv-report-heading p,.pv-screen-caption{font-size:13px}.pv-paper-meta,.pv-paper-footer,.pv-visual-caption{font-size:11px}.course-levels h3,.teacher-intro h3{font-size:26px}}.trust-strip{padding-top:28px;padding-bottom:34px}.trust-metrics{width:min(1200px,100%);gap:24px}.trust-metric,.trust-metric+.trust-metric{min-height:152px;padding:62px 20px 22px;border-radius:28px}.trust-metric svg{top:22px;width:25px;height:25px;left:calc(50% - 12.5px)}.trust-metric dd{font-size:34px}.trust-metric dt{margin-top:8px;font-size:14px}.trust-strip:after{height:20px}@media(max-width:760px){.trust-strip{padding:22px 24px 30px}.trust-metrics{gap:12px}.trust-metric,.trust-metric+.trust-metric{min-height:140px;padding:56px 18px 18px;border-radius:24px}.trust-metric svg{top:18px}.trust-metric dd{font-size:30px}.trust-metric dt{font-size:13px}}@font-face{font-family:Poppins;src:url(../../images/redesign/Poppins-ExtraBold-web.woff2) format("woff2");font-style:normal;font-weight:800;font-display:swap}.hero h1{font-family:Poppins,Inter,Arial,sans-serif;font-weight:800}.chapter-courses{--chapter-color:#fff;padding:88px 0 96px}.chapter-courses .courses{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:56px;padding:0;scroll-margin-top:125px;align-items:stretch}.courses-copy{padding:16px 0;min-width:0}.chapter-courses .courses h2{font-size:42px;line-height:1.1;letter-spacing:-.035em;text-wrap:balance}.courses-heading h2 span{color:#0953d8}.courses-heading p{font-size:17px;line-height:1.55;margin-top:18px;color:#465976;max-width:430px}.courses button,.sample-lesson{font:inherit;-webkit-tap-highlight-color:transparent}.school-switch{display:flex;width:max-content;max-width:100%;margin-top:28px;border:1px solid #c8d8ec;border-radius:10px;overflow:hidden}.school-switch button{border:0;background:#fff;color:#10265a;padding:7px 16px;min-height:48px;min-width:112px;font-weight:600;font-size:14px;line-height:1.3;cursor:pointer}.school-switch button span{display:block;font-size:11px;font-weight:400;line-height:1.4;margin-top:2px}.school-switch button[aria-pressed=true]{background:#0953d8;color:#fff}.subject-switch{display:flex;justify-content:space-between;gap:10px;margin-top:22px;border-bottom:1px solid #dfe7ef}.subject-switch button{position:relative;border:0;background:transparent;color:#465976;padding:10px 0 12px;min-height:44px;font-size:15px;font-weight:500;cursor:pointer}.subject-switch button[aria-pressed=true]{color:#0953d8;font-weight:700}.subject-switch button[aria-pressed=true]:after{content:"";position:absolute;inset:auto 0 -1px;height:3px;background:#0953d8;border-radius:3px}.courses button:focus-visible,.sample-lesson:focus-visible{outline:3px solid #10265a;outline-offset:4px}.school-switch button:focus-visible{outline-offset:-5px}.course-content{margin-top:24px}.course-description h3{font-size:25px;line-height:1.2;letter-spacing:-.025em;text-wrap:initial}.course-coverage{font-size:16px;line-height:1.4;color:#465976;margin-top:6px}.course-description h4{font-size:15px;font-weight:600;margin-top:22px;margin-bottom:6px}.course-description ul{padding:0;margin:0;list-style:none}.course-description li{padding:2px 0;font-size:16px;color:#465976;line-height:1.5}.sample-lesson{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:14px 25px;margin-top:24px;background:#ff6a24;color:#fff;text-decoration:none;border-radius:12px;font-size:16px;font-weight:700;line-height:1.4}.sample-lesson:hover{background:#e95714}.courses .course-note{margin-top:18px;font-size:12px;line-height:1.5;color:#465976}.course-status{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.faculty-carousel{--teacher-blue:#0953d8;--panel-duration:.49s;--panel-ease:cubic-bezier(.232,.604,.265,.989);min-width:0;min-height:0;height:560px;align-self:center;position:relative;isolation:isolate}.course-teachers{display:flex;gap:12px;height:100%;width:100%;min-height:inherit;align-items:stretch}.courses .course-teacher{position:relative;flex:1 1 0;min-width:0;border:0;padding:0;overflow:hidden;border-radius:16px;background:var(--teacher-blue);color:#fff;cursor:pointer;text-align:left;isolation:isolate;transition:flex-grow var(--panel-duration) var(--panel-ease),transform var(--panel-duration) var(--panel-ease);transform:translateY(0);contain:layout paint;user-select:none}.courses .course-teacher.is-active{flex-grow:3;transform:translateY(-3px)}.course-teacher:after{content:"";position:absolute;inset:48% 0 0;background:linear-gradient(180deg,transparent,rgba(4,28,77,.12) 35%,rgba(4,28,77,.86));pointer-events:none}.courses .course-teacher>img{position:absolute;left:50%;top:0;transform:translate(calc(-1 * var(--portrait-center,50%)));height:var(--portrait-height,150%);width:auto;max-width:none;object-fit:contain;pointer-events:none}.teacher-details{position:absolute;z-index:1;left:22px;right:18px;bottom:26px;opacity:0;transform:translateY(12px);transition:opacity .18s ease,transform .3s ease;pointer-events:none}.teacher-details strong{display:block;color:#fff;font-size:27px;line-height:1.1;font-weight:600;letter-spacing:-.02em}.teacher-details>span{display:block;color:#fff;font-size:14px;line-height:1.45;margin-top:9px;max-width:260px}.is-active .teacher-details{opacity:1;transform:translateY(0);transition-delay:.16s}.teacher-spine{position:absolute;z-index:2;left:50%;bottom:25px;transform:translate(-50%) rotate(180deg);writing-mode:vertical-rl;white-space:nowrap;color:#fff;font-size:18px;font-weight:600;line-height:1.2;opacity:1;transition:opacity .18s ease;pointer-events:none}.is-active .teacher-spine{opacity:0}.courses .course-teacher:focus-visible{outline:3px solid #fff;outline-offset:-6px}@media(max-width:1150px){.chapter-courses .courses{gap:32px;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}.chapter-courses .courses h2{font-size:36px}.teacher-details{left:16px;right:12px}.teacher-details strong{font-size:23px}.teacher-details>span{font-size:13px}.subject-switch button{font-size:14px}.course-teachers{gap:10px}}@media(max-width:800px){.chapter-courses{padding:56px 0 64px}.chapter-courses .courses{grid-template-columns:1fr;gap:32px}.courses-copy{padding:0}.chapter-courses .courses h2{font-size:36px;max-width:560px}.courses-heading p{max-width:530px}.school-switch{margin-top:24px}.subject-switch{max-width:520px}.faculty-carousel{height:480px}.courses .course-note{max-width:530px}.teacher-details strong{font-size:25px}}@media(max-width:480px){.chapter-courses .courses h2{font-size:32px}.courses-heading p{font-size:16px}.subject-switch button{font-size:14px}.faculty-carousel{height:400px}.course-teachers{gap:8px}.courses .course-teacher{border-radius:12px}.courses .course-teacher.is-active{flex-grow:3.4}.teacher-details{left:13px;right:10px;bottom:20px}.teacher-details strong{font-size:21px}.teacher-details>span{font-size:12px}.teacher-spine{font-size:15px;bottom:20px}.sample-lesson{width:100%}}@media(prefers-reduced-motion:reduce){.courses .course-teacher,.teacher-details,.teacher-spine{transition:none!important;transform:none}.courses .course-teacher.is-active{transform:none}.teacher-spine{transform:translate(-50%) rotate(180deg)}}.chapter-courses.is-course-scene{padding-top:var(--course-stage-top);padding-bottom:var(--course-stage-bottom);min-height:calc(100svh + var(--course-stage-hold))}.chapter-courses.is-course-scene .courses{position:sticky;top:var(--course-stage-top)}.chapter-courses.is-course-scene #courses{scroll-margin-top:var(--course-stage-top)}.chapter-courses .courses{display:block}.chapter-courses .courses-heading{display:grid;grid-template-columns:minmax(0,1fr) 290px;align-items:end;gap:48px;margin-bottom:36px}.chapter-courses .courses .courses-heading h2{font-size:48px;line-height:1.12;letter-spacing:-.035em;text-wrap:initial;margin:0}.chapter-courses .courses .courses-heading h2 span{color:#0953d8}.chapter-courses .courses-heading p{margin:0 0 4px;font-size:17px;line-height:1.6;max-width:290px}.course-navigation{display:flex;align-items:center;gap:56px;padding:0 0 20px;border-bottom:1px solid #cfdbed}.courses .school-switch{flex:none;margin:0;background:#eef3fc;border-color:transparent;padding:3px;border-radius:12px;overflow:visible}.courses .school-switch button{background:transparent;border-radius:8px;min-width:112px;min-height:48px;transition:background-color .18s,color .18s}.courses .school-switch button[aria-pressed=true]{background:#0953d8;color:#fff}.courses .subject-switch{position:relative;flex:1;max-width:none;align-self:stretch;align-items:center;justify-content:space-between;gap:24px;margin:0;border:0}.courses .subject-switch button{min-height:54px;padding:12px 0;font-size:18px;color:#465976;font-weight:500;white-space:nowrap}.courses .subject-switch button[aria-pressed=true]{color:#0953d8;font-weight:600}.courses .subject-switch button[aria-pressed=true]:after{display:none}.subject-indicator{position:absolute;bottom:-21px;left:0;height:3px;width:var(--subject-width,130px);background:#0953d8;transform:translate(var(--subject-left,0px));transition:width .24s ease,transform .24s ease;pointer-events:none}.chapter-courses .course-content{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.9fr);gap:56px;align-items:start;margin-top:32px;min-width:0}.chapter-courses .course-description{padding:20px 0 0;min-width:0}.chapter-courses .course-description h3{font-size:32px;line-height:1.16;letter-spacing:-.03em;max-width:330px;margin:0}.chapter-courses .course-coverage{margin-top:12px;font-size:15px}.chapter-courses .course-description h4{margin:28px 0 12px;font-size:13px;color:#10265a;font-weight:600}.chapter-courses .course-description li{font-size:16px;line-height:1.5;padding:7px 0;border-bottom:1px solid #e4eaf3}.chapter-courses .course-description li:last-child{border-bottom:0}.chapter-courses .sample-lesson{margin-top:28px;padding:15px 28px;min-height:54px;font-size:16px;background:var(--orange);color:#fff}.chapter-courses .sample-lesson:hover{background:var(--orange-hover)}.chapter-courses .faculty-carousel{height:420px;align-self:start;--teacher-blue:#0953d8}.courses .course-teacher{border-radius:14px}.courses .course-teachers[data-count="1"]{max-width:520px;margin-left:auto}.courses .course-teachers[data-count="1"] .course-teacher{cursor:default}.courses .course-teachers[data-count="1"] .course-teacher.is-active{transform:none}.courses .teacher-details strong{font-size:28px}.courses .teacher-details>span{font-size:14px;max-width:330px}.courses ::selection{background:#dbe8ff;color:#10265a}@media(min-width:1400px){.chapter-courses .faculty-carousel{height:440px}.chapter-courses .courses .courses-heading h2{font-size:52px}}@media(max-width:1100px){.chapter-courses .courses-heading{grid-template-columns:minmax(0,1fr) 240px;gap:32px}.chapter-courses .courses .courses-heading h2{font-size:40px}.course-navigation{gap:32px}.courses .subject-switch{gap:16px}.courses .subject-switch button{font-size:16px}.chapter-courses .course-content{gap:32px;grid-template-columns:minmax(0,.9fr) minmax(0,1.7fr)}.chapter-courses .course-description h3{font-size:28px}.chapter-courses .faculty-carousel{height:400px}}@media(max-width:800px){.chapter-courses .courses-heading{display:block;margin-bottom:28px}.chapter-courses .courses .courses-heading h2{font-size:38px;max-width:none}.chapter-courses .courses-heading p{max-width:480px;margin:16px 0 0;font-size:16px}.course-navigation{display:block;padding-bottom:0}.courses .subject-switch{margin-top:16px;gap:16px}.subject-indicator{bottom:-1px}.chapter-courses .course-content{gap:24px;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);margin-top:24px}.chapter-courses .course-description{padding:8px 0 0}.chapter-courses .course-description h3{font-size:26px}.chapter-courses .faculty-carousel{height:400px}.courses .teacher-details strong{font-size:22px}.courses .teacher-details>span{font-size:12px}}@media(max-width:600px){.chapter-courses .courses .courses-heading h2{font-size:32px;line-height:1.15;letter-spacing:-.035em}.courses .subject-switch{gap:12px}.courses .subject-switch button{font-size:14px;font-weight:500}.chapter-courses .course-content{grid-template-columns:1fr;gap:24px}.chapter-courses .course-description h3{max-width:none;font-size:27px}.chapter-courses .course-description h4{margin-top:20px;margin-bottom:8px}.chapter-courses .course-description li{padding:4px 0;border:0;font-size:15px}.chapter-courses .sample-lesson{width:auto;margin-top:20px}.chapter-courses .faculty-carousel{height:360px}.courses .teacher-details strong{font-size:22px}.courses .course-teachers[data-count="1"]{max-width:none}}@media(prefers-reduced-motion:reduce){.subject-indicator,.courses .school-switch button{transition:none}}#courses .teacher-details strong,#courses .teacher-spine,#courses .mobile-teacher strong{font-family:Inter,Arial,Microsoft YaHei,PingFang SC,sans-serif}.sst-faq{position:relative;z-index:1;align-items:start;padding-top:112px;padding-bottom:112px;min-height:700px;scroll-margin-top:50px}.sst-faq .faq-intro{position:sticky;top:100px}.sst-faq .faq-answers article{padding:0;border-bottom:1px solid #cadcf1}.sst-faq .faq-answers article:first-child{border-top:1px solid #cadcf1}.sst-faq .faq-answers h3{margin:0}.sst-faq-toggle{display:flex;justify-content:space-between;align-items:center;gap:28px;width:100%;min-height:100px;padding:26px 0;border:0;background:none;text-align:left;color:#112e63;font:600 23px/1.3 Inter,Arial,sans-serif;letter-spacing:-.025em;cursor:pointer}.sst-faq-toggle i{position:relative;display:block;flex:0 0 24px;width:24px;height:24px}.sst-faq-toggle i:before,.sst-faq-toggle i:after{content:"";position:absolute;width:20px;height:1.5px;background:currentColor;left:50%;top:50%;transform:translate(-50%,-50%);transition:transform .26s,opacity .26s}.sst-faq-toggle i:after{transform:translate(-50%,-50%) rotate(90deg)}.sst-faq-item.is-open .sst-faq-toggle i:after{transform:translate(-50%,-50%) rotate(0);opacity:0}.sst-faq-body{overflow:hidden}.sst-faq .faq-answers .sst-faq-body p{margin:0;padding:0 30px 28px 0;color:#4e6485;font-size:17px;line-height:1.65}.sst-faq-toggle:focus-visible,.sst-ending-cta:focus-visible,.sst-full-footer a:focus-visible{outline:3px solid #ff823d;outline-offset:5px;border-radius:4px}.sst-ending{--ending-blue:#1c49b5;position:relative;background:#fff}.sst-ending-visual{position:relative;background:var(--ending-blue);border-radius:48px 48px 0 0;overflow:hidden}.sst-ending-orb,.sst-ending-sheet{display:none}.sst-ending-content{position:relative;display:flex;justify-content:space-between;align-items:center;gap:60px;padding-top:90px;padding-bottom:90px;min-height:340px}.sst-ending-copy h2{color:#fff;font-size:clamp(36px,3.4vw,52px);font-weight:700;letter-spacing:-.045em;line-height:1.13;margin:0}.sst-ending-line{display:block}.sst-ending-copy p{color:#fff;font-size:18px;line-height:1.65;margin:22px 0 0;max-width:580px}.sst-ending-cta{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;min-height:60px;padding:0 34px;border-radius:999px;background:#ff823d;color:#112e63;font-size:17px;font-weight:700;text-decoration:none;white-space:nowrap;transition:background-color .2s}.sst-ending-cta:hover{background:#ff995f}.sst-ending-cta:focus-visible{outline-color:#fff}.sst-ending.is-animated{height:270vh;height:270svh}html.faq-is-resizing .sst-ending.is-animated .sst-ending-visual{visibility:hidden!important}.sst-ending.is-animated .sst-ending-visual{position:fixed;inset:0;z-index:1000;height:100vh;height:100svh;visibility:hidden;background:transparent;border-radius:0;pointer-events:none;overflow:hidden}.sst-ending.is-animated .sst-ending-orb{display:block;position:absolute;left:50%;bottom:0;width:200vmax;height:200vmax;transform:translate(-50%,50%) scale(0);border-radius:50%;background:var(--ending-blue);will-change:transform;transform-origin:50% 50%}.sst-ending.is-animated .sst-ending-sheet{display:block;position:absolute;inset:0;background:var(--ending-blue);opacity:0;will-change:transform;border-radius:0 0 64px 64px}.sst-ending.is-animated .sst-ending-content{height:100%;min-height:0;will-change:transform;pointer-events:none}.sst-ending.is-animated .sst-ending-cta{pointer-events:auto}.sst-ending.is-animated .sst-ending-line,.sst-ending.is-animated .sst-ending-copy p,.sst-ending.is-animated .sst-ending-cta{will-change:transform,opacity}.sst-full-footer{position:relative;z-index:0;background:linear-gradient(155deg,#2858a3,#437fba);color:#fff;padding:62px 48px 0}.sst-footer-content{max-width:1240px;margin:auto}.sst-footer-directory{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:48px 42px}.sst-footer-col ul{padding:0;margin:0 0 22px;list-style:none}.sst-footer-col ul:last-child{margin-bottom:0}.sst-footer-col h3{color:#fff;font-size:12px;font-weight:750;letter-spacing:.045em;line-height:1.5;text-transform:uppercase;margin:0 0 9px}.sst-footer-col li{font-size:13px;font-weight:450;line-height:1.5;overflow-wrap:anywhere}.sst-footer-col a{color:#fff;text-decoration:none}.sst-footer-col a:hover{text-decoration:underline;text-underline-offset:3px}.sst-footer-col .footer_social{display:flex;gap:6px;flex-wrap:wrap}.sst-footer-col .footer_social h3{flex:0 0 100%;margin-bottom:3px}.sst-footer-col .footer_social img{width:34px;height:34px;display:block}.sst-footer-col .our-apps img{width:150px;height:auto;display:block;margin-bottom:5px}.sst-footer-copyright{font-size:12px;line-height:1.6;text-align:center;margin:48px 0 0;border-top:1px solid #ffffff66;padding:22px 0 28px;color:#fff}@media(min-width:1600px){.sst-ending-copy h2{font-size:52px}.sst-full-footer{padding-top:70px}.sst-footer-directory{gap:54px 50px}.sst-footer-col li{font-size:14px;line-height:1.55}}@media(max-width:1000px){.sst-ending-content{gap:36px}.sst-ending-copy h2{font-size:38px}.sst-ending-copy p{font-size:17px}.sst-footer-directory{gap:36px 24px}.sst-full-footer{padding:48px 32px 0}.sst-footer-col li{font-size:12px}.sst-footer-col h3{font-size:11px}}@media(max-width:760px){.sst-faq{padding-top:64px;padding-bottom:72px;min-height:0}.sst-faq .faq-intro{position:static}.sst-faq-toggle{font-size:20px;min-height:90px;padding:24px 0;gap:18px}.sst-faq .faq-answers .sst-faq-body p{font-size:16px;padding-right:0}.sst-ending-content{flex-direction:column;align-items:flex-start;justify-content:center;gap:32px;padding:68px 0}.sst-ending-copy h2{font-size:clamp(34px,7.6vw,46px);line-height:1.13}.sst-ending-copy p{font-size:16px;margin-top:22px}.sst-ending-cta{min-height:56px;font-size:16px;padding-inline:28px}.sst-ending.is-animated .sst-ending-sheet{border-radius:0 0 38px 38px}.sst-full-footer{padding:42px 24px 0}.sst-footer-directory{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px 20px}.sst-footer-col li{font-size:12px;line-height:1.65}.sst-footer-col h3{font-size:10px;line-height:1.6}.sst-footer-col .footer_social{gap:5px}.sst-footer-col .footer_social img{width:28px;height:28px}.sst-footer-col .our-apps img{width:136px;max-width:100%}.sst-footer-copyright{margin-top:34px;font-size:11px}}@media(prefers-reduced-motion:reduce){.sst-faq.sst-faq-enhanced .sst-faq-body,.sst-faq-toggle i:before,.sst-faq-toggle i:after,.sst-ending-cta{transition:none}}.sst-blog-stage{position:relative;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);gap:80px;align-items:center;padding:40px 0 80px;color:#fff}.sst-blog-wall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;height:min(650px,78vh);overflow:hidden;mask-image:linear-gradient(to bottom,transparent,#000 10%,#000 90%,transparent);-webkit-mask-image:linear-gradient(to bottom,transparent,#000 10%,#000 90%,transparent)}.sst-blog-column{min-width:0;overflow:hidden}.sst-blog-track{display:flex;flex-direction:column}.sst-blog-set{display:flex;flex-direction:column;gap:18px;padding-bottom:18px;flex-shrink:0}.sst-blog-card{display:block;border-radius:13px;overflow:hidden;text-decoration:none;background:#fff;color:#112e63;flex-shrink:0}.sst-blog-card img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:#e4efff}.sst-blog-card>span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:12px;font-weight:600;line-height:1.4;height:33.6px;margin:9px 13px;padding:0}.sst-blog-card:hover>span{text-decoration:underline;text-underline-offset:3px}.sst-blog-copy{min-width:0}.sst-blog-copy .sst-blog-kicker{font-size:15px;font-weight:500;margin:0 0 22px;color:#d7e5ff}.sst-blog-copy h2{color:#fff;font-size:clamp(34px,3.5vw,50px);font-weight:700;line-height:1.12;letter-spacing:-.045em;margin:0}.sst-blog-description{font-size:18px;line-height:1.65;color:#e7efff;margin:25px 0 30px;max-width:380px}.sst-blog-cta{display:inline-flex;align-items:center;justify-content:center;min-height:60px;padding:0 32px;border-radius:999px;background:#ff823d;color:#112e63;font-size:17px;font-weight:700;text-decoration:none;transition:background .2s}.sst-blog-cta:hover{background:#ff995f}.sst-blog-pause{display:none;cursor:pointer;color:#d7e5ff;font:500 12px/1.5 Inter,Arial,sans-serif;background:none;border:0;padding:8px 0;margin-top:20px;text-decoration:underline;text-underline-offset:4px}.sst-blog-cta:focus-visible,.sst-blog-card:focus-visible,.sst-blog-pause:focus-visible{outline:3px solid #fff;outline-offset:5px}.sst-ending.is-animated .sst-blog-stage{position:absolute;inset:0;height:100%;padding:0;will-change:transform,opacity;visibility:hidden;pointer-events:none}.sst-ending.is-animated .sst-blog-wall,.sst-ending.is-animated .sst-blog-copy{pointer-events:auto}.sst-ending.is-animated .sst-blog-track{will-change:transform;animation:sst-blog-rise 52s linear infinite;animation-play-state:paused}.sst-ending.is-animated .sst-blog-track-2{animation-name:sst-blog-fall;animation-duration:62s;animation-delay:-17s}.sst-ending.is-blog-visible .sst-blog-track{animation-play-state:running}.sst-ending.is-blog-visible .sst-blog-wall:hover .sst-blog-track,.sst-ending.is-blog-visible .sst-blog-wall:focus-within .sst-blog-track,.sst-ending.is-blog-paused .sst-blog-track,.sst-ending.is-page-hidden .sst-blog-track{animation-play-state:paused}.sst-ending.is-animated .sst-blog-pause{display:block}.sst-ending:not(.is-animated) .sst-blog-wall{height:auto;mask-image:none;-webkit-mask-image:none}.sst-ending:not(.is-animated) .sst-blog-set[aria-hidden]{display:none}@keyframes sst-blog-rise{0%{transform:translateY(0)}to{transform:translateY(-50%)}}@keyframes sst-blog-fall{0%{transform:translateY(-50%)}to{transform:translateY(0)}}@media(max-width:1100px){.sst-blog-stage{gap:40px;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}.sst-blog-wall{gap:12px}.sst-blog-set{gap:12px;padding-bottom:12px}.sst-blog-description{font-size:16px}}@media(max-width:760px){.sst-blog-stage{grid-template-columns:1fr;gap:24px;padding:28px 0 56px}.sst-ending.is-animated .sst-blog-stage{grid-template-rows:minmax(0,1fr) auto;gap:22px;padding:28px 0 34px}.sst-blog-wall{height:min(350px,42svh);min-height:0;gap:12px}.sst-ending.is-animated .sst-blog-wall{height:100%}.sst-blog-copy .sst-blog-kicker{font-size:12px;margin-bottom:12px}.sst-blog-copy h2{font-size:clamp(29px,7.4vw,36px)}.sst-blog-description{font-size:15px;line-height:1.5;margin:16px 0 20px;max-width:340px}.sst-blog-cta{min-height:54px;padding:0 27px;font-size:15px}.sst-blog-pause{margin-top:12px;padding:5px 0;font-size:11px}.sst-blog-card{border-radius:9px}.sst-blog-card>span{font-size:10px;margin:7px 9px;padding:0;height:28px}}@media(max-height:640px)and (min-width:761px){.sst-blog-wall{height:85svh}.sst-blog-copy h2{font-size:34px}.sst-blog-copy .sst-blog-kicker{margin-bottom:14px}.sst-blog-description{margin:18px 0 22px}.sst-blog-pause{margin-top:12px}}@media(prefers-reduced-motion:reduce){.sst-blog-track{animation:none!important}.sst-blog-cta{transition:none}}.sst-footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:48px;padding:24px 0 28px;border-top:1px solid #ffffff55}.sst-footer-bottom .sst-footer-copyright{margin:0;padding:0;border:0;text-align:left;color:#e8f1ff}.sst-footer-home{display:inline-flex;align-items:center;gap:26px;flex-shrink:0;padding:6px 6px 6px 24px;min-height:58px;border:1px solid #ffffff80;border-radius:999px;color:#fff;text-decoration:none;font-size:14px;font-weight:600;letter-spacing:-.01em;transition:background-color .2s,border-color .2s,transform .16s cubic-bezier(.23,1,.32,1)}.sst-footer-home-icon{display:grid;place-items:center;width:44px;height:44px;overflow:hidden;flex-shrink:0;border-radius:50%;background:#ff823d;color:#112e63}.sst-footer-home-icon svg{width:21px;height:21px;transition:transform .24s cubic-bezier(.23,1,.32,1)}@media(hover:hover){.sst-footer-home:hover{background:#ffffff12;border-color:#fff}.sst-footer-home:hover svg{transform:translate(2px,-2px)}}.sst-footer-home:active{transform:scale(.97)}.sst-full-footer .sst-footer-home:focus-visible{outline:3px solid #fff;outline-offset:5px;border-radius:999px}@media(max-width:760px){.sst-footer-bottom{flex-direction:column-reverse;align-items:flex-start;gap:26px;margin-top:34px}.sst-footer-bottom .sst-footer-copyright{font-size:11px}.sst-footer-home{gap:32px}}@media(prefers-reduced-motion:reduce){.sst-footer-home,.sst-footer-home-icon svg{transition:none}}.sst-ending.is-animated .sst-blog-wall{height:100%;mask-image:none;-webkit-mask-image:none}@media(max-width:760px){.sst-ending.is-animated .sst-blog-stage{padding-top:0}}.learning{position:relative;isolation:isolate}.learning .continuous-canvas{position:absolute;left:50%;top:0;transform:translate(-50%);z-index:-1;pointer-events:none;overflow:hidden}.learning>:not(.continuous-canvas){position:relative;z-index:1}.learning .learning-connector{visibility:hidden}[data-footer-entry=rise] .sst-full-footer{background:#edf4ff;color:#102a56;border-radius:48px 48px 0 0;box-shadow:0 -24px 80px -32px #05194473}[data-footer-entry=rise] .sst-footer-col h3,[data-footer-entry=rise] .sst-footer-col a,[data-footer-entry=rise] .sst-footer-home{color:#102a56}[data-footer-entry=rise] .sst-footer-bottom{border-top-color:#102a562b}[data-footer-entry=rise] .sst-footer-bottom .sst-footer-copyright{color:#425b7c}[data-footer-entry=rise] .sst-footer-home{border-color:#102a5659}[data-footer-entry=rise] .sst-full-footer .sst-footer-home:focus-visible{outline-color:#102a56}@media(hover:hover){[data-footer-entry=rise] .sst-footer-home:hover{background:#102a560a;border-color:#102a56}}[data-footer-entry=rise] .sst-full-footer.is-rise-animated{z-index:1001}[data-footer-entry=rise] .sst-ending.is-animated .sst-ending-sheet{border-radius:0}[data-footer-entry=rise] .sst-blog-stage{transform-origin:50% 40%}@media(max-width:760px){[data-footer-entry=rise] .sst-full-footer{border-radius:30px 30px 0 0}}.chapter-feedback,.chapter-courses{--page-inset:16px;--page-radius:36px;--page-drop:0px;--tab-rise:0px;--tab-opacity:1;padding-top:100px;padding-bottom:86px}.chapter-feedback:before,.chapter-courses:before{content:"";background:#f0f6ff;clip-path:inset(var(--page-drop) var(--page-inset) 0 round var(--page-radius))}.chapter-courses:before{background:#f2f6fc}.chapter-courses:after{content:"";position:absolute;top:0;left:max(7%,calc((100% - 1200px)/2));width:30px;height:57px;background:#1261df;clip-path:polygon(0 0,100% 0,100% 100%,50% 82%,0 100%);transform:translateY(var(--tab-rise));opacity:var(--tab-opacity);pointer-events:none}.chapter-courses:after{background:#ff861f}.fwb-display,.pv-visual,.faculty-carousel{transform-origin:50% 70%}.chapter-feedback .fwb-display{mix-blend-mode:multiply}.perspective-bridge{position:relative;padding-top:52px;padding-bottom:76px;text-align:center}.bridge-route{display:block;width:min(460px,70%);height:auto;margin:0 auto 16px;overflow:visible}.bridge-route-guide,.bridge-route-ink{stroke:#dbe8fb;stroke-width:3;stroke-linecap:round}.bridge-route-ink{stroke:#1261df;stroke-dasharray:1;stroke-dashoffset:0}.bridge-bookmark-child{fill:#1261df}.bridge-bookmark-parent{fill:#ff861f}.perspective-bridge p{font-size:clamp(30px,4.1vw,59px);font-weight:600;line-height:1.19;letter-spacing:-.045em}.perspective-bridge p>.bridge-child-line{display:block;color:#657792;font-size:.68em;letter-spacing:-.03em;margin-bottom:15px}.perspective-bridge p>.bridge-parent-line{display:block;color:#10265a}.perspective-bridge .bridge-emphasis{position:relative;display:inline-block;color:#1261df;white-space:nowrap}.bridge-emphasis:after{content:"";position:absolute;left:0;right:0;bottom:-7px;height:4px;background:#ff861f;border-radius:2px;transform:scaleX(var(--underline-scale,1));transform-origin:left}.parents.section{padding-bottom:108px}@media(max-width:900px){.chapter-feedback,.chapter-courses{--page-inset:0px;--page-radius:24px;padding-top:70px;padding-bottom:58px}.chapter-courses:after{left:24px;width:22px;height:40px}.perspective-bridge{padding-top:32px;padding-bottom:58px}.bridge-route{width:min(400px,82%);margin-bottom:16px}.perspective-bridge p{font-size:clamp(29px,6.5vw,45px)}.perspective-bridge p>.bridge-child-line{font-size:.68em;margin-bottom:12px}.bridge-emphasis:after{height:3px;bottom:-5px}.parents.section{padding-bottom:72px}}@media(prefers-reduced-motion:reduce){.bridge-route-ink{stroke-dashoffset:0}}.chapter-feedback.chapter-surface{background:#fff;border-radius:0}.chapter-feedback.chapter-surface:before{content:none}.family-journey{position:relative;background:#fff;z-index:3;scroll-margin-top:110px}.family-stage{position:relative;max-width:1600px;margin:auto;padding:100px 7% 0}.family-editorial{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:48px;gap:30px}.family-eyebrow{font:600 11px/1.5 Inter,Arial,sans-serif;letter-spacing:.16em;color:#567296}.learning-introduction .family-eyebrow{display:block;margin:0;font:600 12px/1.4 Inter,Arial,sans-serif;letter-spacing:.04em;color:#1261df}.family-heading h2{font:600 clamp(40px,4.8vw,72px)/1.02 Inter,Arial,sans-serif;letter-spacing:-.055em;color:#10265a;margin-top:18px}.family-heading h2 em{font-family:Georgia,serif;font-weight:400;color:#1261df}.family-source{position:relative;display:inline-flex;align-items:center;min-height:48px;padding:10px 0 16px;color:var(--ink,#112e63);font:600 16px/1.4 Inter,Arial,sans-serif;letter-spacing:-.015em;text-decoration:none;white-space:nowrap;transition:color .18s ease}.family-source:after{content:"";position:absolute;left:0;bottom:4px;width:32px;height:2px;border-radius:1px;background:var(--blue,#1261df);transition:width .22s cubic-bezier(.22,1,.36,1)}.family-source:hover,.family-source:focus-visible{color:var(--blue,#1261df)}.family-source:hover:after,.family-source:focus-visible:after{width:100%}.family-source:focus-visible{outline:2px solid var(--blue,#1261df);outline-offset:6px;border-radius:2px}@media(prefers-reduced-motion:reduce){.family-source,.family-source:after{transition:none}}.family-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;position:relative;perspective:1600px}.family-card{position:relative;min-width:0;min-height:390px;padding:28px 30px 26px;border-radius:5px 24px 24px;background:#eaf2fc;color:#10265a;box-shadow:0 18px 38px -28px #10265a55;display:flex;flex-direction:column;transform-origin:50% 85%}.family-card-two{background:#1157d4;color:#fff;z-index:2}.family-card-three{background:#fff0df}.family-card-top{display:flex;justify-content:space-between;gap:8px;font:600 9px/1.5 Inter,Arial,sans-serif;letter-spacing:.09em}.family-card-top span:last-child{opacity:.58;white-space:nowrap}.family-quote-mark{font:90px/.72 Georgia,serif;color:#1261df;margin-top:30px;height:46px}.family-card-two .family-quote-mark{color:#a4ccff}.family-card-three .family-quote-mark{color:#e76b23}.family-card blockquote{margin:0;font:500 clamp(23px,2.25vw,34px)/1.15 Inter,Arial,sans-serif;letter-spacing:-.045em;min-height:112px}.family-context{font:400 13px/1.65 Inter,Arial,sans-serif;opacity:.8;margin:20px 0 30px;max-width:310px}.family-card footer{display:flex;align-items:center;gap:12px;border-top:1px solid #10265a20;padding-top:19px;margin-top:auto}.family-card-two footer{border-color:#ffffff30}.family-monogram{display:grid;place-items:center;width:36px;height:36px;flex-shrink:0;border:1px solid currentColor;border-radius:50%;font:500 12px Inter,Arial,sans-serif;opacity:.8}.family-card footer strong{display:block;font:600 13px/1.4 Inter,Arial,sans-serif}.family-card-two footer strong{color:#fff}.family-card footer div>span{display:block;font:400 10px/1.6 Inter,Arial,sans-serif;opacity:.7;margin-top:3px}.family-footnote{font:400 10px/1.5 Inter,Arial,sans-serif;color:#60718b;margin:28px 0 0;text-align:center}.journey-next{padding:100px 0 70px;color:#10265a;position:relative}.journey-next h2{scroll-margin-top:130px;font:600 clamp(56px,7.8vw,116px)/1.02 Inter,Arial,sans-serif;letter-spacing:-.065em;margin:24px 0 30px;text-wrap:initial}.journey-title-line{display:block}.journey-next h2 em{font-family:Georgia,serif;font-weight:400;color:#1261df}.journey-title-last{padding-left:16%}.journey-next-bottom{display:flex;justify-content:space-between;align-items:center;padding-left:16%;gap:24px}.journey-next-bottom p{font:400 17px/1.6 Inter,Arial,sans-serif;color:#4b6383}.journey-down{display:grid;place-items:center;width:56px;height:56px;border:1px solid #b6c8e1;border-radius:50%;font:400 29px Inter,Arial,sans-serif;color:#1261df}.learning-introduction+.learning{padding-top:0}.family-journey.is-scroll-story{height:180svh}.family-journey.is-scroll-story .family-stage{position:sticky;top:0;height:100svh;min-height:650px;width:100%;max-width:none;padding:max(125px,15svh) max(var(--page-gutter,48px),calc((100% - var(--page-width,1200px))/2)) 0;overflow:clip;overflow-clip-margin:0}.is-scroll-story .family-editorial{margin-bottom:38px}.is-scroll-story .family-card{min-height:min(430px,49svh);will-change:transform}.is-scroll-story .family-editorial,.is-scroll-story .family-cards,.is-scroll-story .family-footnote{position:relative;z-index:2}@media(min-width:901px)and (max-height:780px){.family-journey.is-scroll-story .family-stage{padding-top:105px}.is-scroll-story .family-editorial{margin-bottom:24px}}@media(min-width:901px)and (max-height:780px){.family-stage{padding-top:90px}.family-editorial{margin-bottom:24px}.family-heading h2{font-size:40px}.family-heading h2 br{display:none}.family-card{min-height:355px;padding:20px 24px}.family-card blockquote{font-size:27px;min-height:92px}.family-quote-mark{margin-top:22px;height:38px;font-size:76px}.family-context{margin:12px 0 20px;font-size:12px}.family-footnote{margin-top:18px}}@media(max-width:900px){.family-stage{padding:70px 24px 0}.family-editorial{align-items:flex-start;gap:20px}.family-heading h2{font-size:43px}.family-source{font-size:14px;margin-top:40px}.family-cards{gap:14px}.family-card{padding:22px 24px;min-height:365px}.family-card blockquote{font-size:28px}.family-context{font-size:13px}.journey-next{padding:85px 0 60px}.journey-next h2{font-size:clamp(47px,7.8vw,72px)}}@media(max-width:600px){.family-editorial{display:block;margin-bottom:30px}.family-heading h2{font-size:44px}.family-source{margin-top:24px}.family-cards{display:flex;flex-direction:column;gap:22px}.family-card{min-height:365px}.family-card blockquote{font-size:30px;min-height:90px}.family-card-two{margin:0 0 0 14px}.family-card-three{margin-right:14px}.family-footnote{text-align:left;font-size:10px}.journey-next h2{font-size:clamp(43px,11.2vw,62px)}.journey-title-last,.journey-next-bottom{padding-left:0}.journey-next-bottom p{font-size:15px}.journey-down{width:42px;height:42px;flex-shrink:0;font-size:24px}}@media(prefers-reduced-motion:reduce){.family-card{will-change:auto}}.learning-introduction.is-learning-scene{height:160svh;position:relative}.learning-introduction.is-learning-scene .journey-next{position:sticky;top:0;height:100svh;min-height:650px;padding:8svh 0 16svh;display:flex;flex-direction:column;justify-content:center}.learning-introduction.is-learning-scene+.learning{margin-top:-24svh}.parent-perspective.parent-typography{position:relative;margin:0;padding:0;background:#fff;overflow-anchor:none}.parent-typography .parents.section{position:relative;display:block;width:100%;height:100svh;min-height:680px;padding:0;margin:0;overflow:clip;isolation:isolate;scroll-margin-top:0;background:#fff}.parent-typography .parent-copy{display:contents!important}.parent-typography .pt-heading{margin:0!important;display:contents}.parent-typography .pt-line{position:absolute;z-index:6;font:700 clamp(38px,4.5vw,66px)/1 Inter,Arial,sans-serif;letter-spacing:-.055em;white-space:nowrap;transform-origin:0 0;color:#112e63}.parent-typography .pt-first{top:15%;left:8%}.parent-typography .pt-second{top:15%;right:8%;color:#1261df}.parent-typography .pt-line>span{display:inline-block}.parent-typography .pp-eyebrow{display:none;position:absolute;top:20%;left:0;width:100%;text-align:center;z-index:6;font:600 12px/1.4 Inter,Arial,sans-serif;color:#1261df;letter-spacing:.04em}.parent-typography .pt-targets{position:absolute;top:15%;left:8%;right:8%;display:flex;justify-content:space-between;visibility:hidden;pointer-events:none;font:700 clamp(38px,4.5vw,66px)/1 Inter,Arial,sans-serif;letter-spacing:-.055em;white-space:nowrap}.parent-typography .pt-targets>span{width:fit-content}.parent-perspective.parent-typography .parent-copy>.pt-description{position:absolute;left:8%;bottom:7.5%;margin:0;max-width:470px;color:#617691;font:400 13px/1.65 Inter,Arial,sans-serif}.parent-perspective.parent-typography .parents .pv-visual{position:absolute;inset:30% 8% 15%;width:auto;max-width:none;min-width:0;padding:0;margin:0;z-index:2}.parent-typography .pp-report-stage{height:100%;padding:28px;background:#edf3fb;border-radius:18px}.parent-perspective.parent-typography .pv-folder{height:100%;display:flex;flex-direction:column;min-height:0;border:1px solid #dce6f2;background:#fff;border-radius:12px;box-shadow:0 12px 32px -24px #173c7040;overflow:hidden}.parent-typography .pt-report-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 26px 0}.parent-typography .pv-paper-meta{padding:0;color:#6e809b;font:400 10px/1.4 Inter,Arial,sans-serif;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}.parent-typography .pv-folder-tabs{display:flex;gap:5px;padding:0;background:none;border:0;min-width:0}.parent-perspective.parent-typography .pv-folder-tabs button{border:0;border-radius:6px;min-height:0;padding:9px 12px;background:transparent;color:#74859c;font:500 11px/1.4 Inter,Arial,sans-serif;white-space:nowrap;transition:background .2s,color .2s}.parent-typography .pv-folder-tabs button small{display:none}.parent-perspective.parent-typography .pv-folder-tabs button[aria-selected=true]{background:#e9f1fd;color:#1261df}.parent-perspective.parent-typography .pv-folder-tabs button:after{content:none}.parent-perspective.parent-typography .pv-folder-tabs button:hover{background:#f2f6fc;color:#1261df}.parent-typography .pv-folder-tabs button:focus-visible{outline:2px solid #1261df;outline-offset:-2px}.parent-typography .pv-paper{display:flex;flex-direction:column;flex:1;min-height:0;padding:20px 26px 12px;border-radius:0;box-shadow:none}.parent-typography .pv-report-panel{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}.parent-typography .pv-product-figure{flex:1;min-height:0;width:100%;max-width:none;margin:0}.parent-typography .pv-screenshot-link{display:flex;align-items:center;justify-content:center;height:100%;width:100%}.parent-typography .pv-product-figure img{display:block;object-fit:contain;width:100%;height:100%}.parent-typography .pv-screen-caption{flex:none;font:400 11px/1.6 Inter,Arial,sans-serif;color:#6e809b;margin:14px 0 0;max-width:none}.parent-typography .pv-paper-footer{display:none}.parent-perspective.parent-typography .pv-visual-caption{position:absolute;top:calc(100% + 20px);left:0;right:0;display:flex;justify-content:flex-end;margin:0;font:400 11px/1.4 Inter,Arial,sans-serif;color:#1261df}.parent-typography .pv-visual-caption p,.parent-typography .pv-caption-rule{display:none}.parent-typography .pt-curtain{display:none;position:absolute;inset:0;z-index:5;pointer-events:none;background:#fff}.parent-typography .pt-curtain-top{bottom:50%}.parent-typography .pt-curtain-bottom{top:50%}.parent-typography .is-type-motion .pt-curtain,.parent-typography .is-type-motion .pp-eyebrow{display:block}.parent-typography .is-type-motion .pt-line{left:0;right:auto;width:100%;text-align:center;letter-spacing:-.065em}.parent-typography .is-type-motion .pt-first{top:29%;font-size:10vw}.parent-typography .is-type-motion .pt-second{top:45%;font-size:17vw}@media(max-width:1000px){.parent-typography .pt-report-head{padding:18px 20px 0;gap:10px}.parent-perspective.parent-typography .pv-folder-tabs button{padding:9px 8px;font-size:10px}.parent-typography .pv-paper{padding:18px 20px 12px}}@media(max-width:760px){.parent-typography .pt-line,.parent-typography .pt-targets{font-size:36px;letter-spacing:-.055em;line-height:1.08}.parent-typography .pt-first{top:17%;left:6%}.parent-typography .pt-second{top:calc(17% + 38.88px);left:6%;right:auto}.parent-typography .pt-targets{top:17%;left:6%;right:6%;display:block}.parent-typography .pt-targets>span{display:block}.parent-typography .pp-eyebrow{top:27%}.parent-typography .is-type-motion .pt-first{top:34%;font-size:11vw;line-height:1}.parent-typography .is-type-motion .pt-second{top:45%;font-size:20vw;line-height:1}.parent-perspective.parent-typography .parents .pv-visual{inset:36% 3% 19%}.parent-typography .pp-report-stage{padding:12px;border-radius:14px}.parent-typography .pt-report-head{display:block;padding:16px 12px 0}.parent-typography .pv-paper-meta{font-size:8px;margin-bottom:12px}.parent-typography .pv-folder-tabs{gap:3px}.parent-perspective.parent-typography .pv-folder-tabs button{flex:1;white-space:normal;font-size:9px;padding:7px 6px}.parent-typography .pv-paper{padding:16px 12px 12px}.parent-typography .pv-screen-caption{font-size:9px;line-height:1.6;margin-top:12px}.parent-perspective.parent-typography .parent-copy>.pt-description{left:6%;bottom:8%;max-width:75%;font-size:11px;line-height:1.6}.parent-perspective.parent-typography .pv-visual-caption{top:calc(100% + 18px);right:3%;font-size:10px}}@media(prefers-reduced-motion:reduce){.parent-typography *{animation:none!important;transition:none!important}}.parent-perspective.parent-typography .parent-copy>.pt-description{font-size:16px;color:var(--body)}.parent-typography .pv-paper-meta,.parent-typography .pv-screen-caption{color:var(--text-secondary)}.parent-typography .pv-screen-caption{font-size:12px}.parent-perspective.parent-typography .pv-folder-tabs button{font-size:12px;color:var(--text-secondary)}@media(max-width:760px){.parent-perspective.parent-typography .parent-copy>.pt-description{font-size:14px;max-width:85%}.parent-typography .pv-paper-meta{font-size:10px}.parent-perspective.parent-typography .pv-folder-tabs button{font-size:11px;min-height:44px}.parent-typography .pv-screen-caption{font-size:11px}}:root{--ink: #112e63;--body: #344b70;--blue: #1261df;--product-blue: var(--blue);--text-secondary: #4e6485;--pale: #edf4ff;--muted: #edf4ff;--line: #cadcf1;--orange: #c94b0a;--orange-hover: #af3e06;--page-width: 1200px;--page-gutter: 48px;--section-title: clamp(44px, 4.5vw, 64px);--column-title: clamp(36px, 3vw, 42px)}.wrap,.learning.wrap,.hero-blue-inner{width:min(var(--page-width),calc(100% - var(--page-gutter) * 2));max-width:var(--page-width)}.family-stage{width:min(var(--page-width),calc(100% - var(--page-gutter) * 2));max-width:var(--page-width);padding-inline:0}.learning .story-row{max-width:none;gap:56px}.learning .story-copy{justify-self:start}.learning .continuous-stroke{stroke:var(--blue)}.is-scroll-story .family-stage{overflow-clip-margin:48px}.sst-footer-content{max-width:var(--page-width)}.sst-full-footer{padding-inline:var(--page-gutter)}.hero.hero-blue{--hero-navy: var(--ink);--hero-blue: var(--blue)}.hero.hero-blue h1{letter-spacing:-.035em;line-height:1.04}.hero.hero-blue .hero-description{color:var(--ink);font-size:20px;font-weight:600;line-height:1.5;letter-spacing:-.015em}.hero.hero-blue .hero-detail{color:var(--body);font-size:18px;font-weight:400;line-height:1.65;letter-spacing:0;max-width:56ch}.hero-blue .hero-proof-item dd{color:var(--blue);letter-spacing:-.025em}.hero-blue .hero-proof-item dt{color:var(--text-secondary)}.hero-blue .hero-proof-item svg{stroke:var(--blue)}.family-heading h2,.is-scroll-story .family-heading h2,.feedback-journey .fwb-process .fwb-title,.parent-perspective .parent-copy h2{font-family:Inter,Arial,sans-serif;font-size:var(--section-title);font-weight:700;line-height:1.12;letter-spacing:-.035em}.family-heading h2{margin-top:0}.family-heading h2,.feedback-journey .fwb-process .fwb-title{color:var(--ink)}.journey-next h2,.is-scroll-story .journey-next h2{font-size:clamp(48px,6.1vw,88px);font-weight:700;letter-spacing:-.035em;line-height:1.1}.family-heading h2 em,.journey-next h2 em{color:var(--blue)}.family-eyebrow,.fj-eyebrow,.sst-blog-kicker{display:none}.journey-next{padding-block:104px 72px}.is-scroll-story .journey-next{padding-inline:0}.journey-next-bottom p{font-size:18px;line-height:1.65;color:var(--body)}.learning .story-copy h3{font-size:clamp(28px,2.5vw,36px);letter-spacing:-.025em;line-height:1.2}.learning .story-copy p{font-size:18px;line-height:1.65;color:var(--body)}.family-cards{gap:24px}.family-card{border-radius:16px;background:var(--pale)}.family-card-two{background:var(--blue)}.family-card-three{background:#fff0e3}.family-card blockquote{font-size:clamp(24px,2.1vw,30px);line-height:1.25;letter-spacing:-.025em}.family-context{font-size:14px;line-height:1.65;opacity:1;color:var(--body)}.family-card-two .family-context{color:#edf4ff}.family-card-top{font-size:11px}.family-card-top span:last-child,.family-card footer div>span{opacity:1}.family-card footer div>span{font-size:12px;color:var(--text-secondary)}.family-card-two footer div>span{color:#edf4ff}.family-footnote{font-size:12px;color:var(--text-secondary)}.chapter-feedback.feedback-journey:before{background:var(--pale)}.chapter-courses{background:#fff}.chapter-courses:before,.chapter-courses:after{content:none}.pp-surface{background:#fff}.parent-perspective{background:transparent}.feedback-journey .fwb-heading-row,.parent-perspective .parent-copy{grid-template-columns:1.6fr 1fr;gap:56px;margin-bottom:48px}.feedback-journey .fwb-process .fwb-intro,.parent-perspective .parent-copy>p{font-size:18px;line-height:1.65;max-width:36ch}.feedback-journey .fwb-process .fwb-intro{color:var(--body)}.parent-perspective .parent-copy>p{color:var(--body)}.pp-handoff{height:160px}.feedback-journey .fwb-display,.parent-perspective .pv-visual{max-width:1100px}.feedback-journey .fwb-choice-title{font-size:24px;letter-spacing:-.025em}.feedback-journey .fwb-choice-description{color:var(--text-secondary)}.parent-perspective .pv-folder{border-radius:16px}.parent-perspective .pv-report-heading h3{font-size:28px;line-height:1.25}.parent-perspective .pv-folder-tabs button{min-height:88px}.parent-perspective .pv-visual-caption{color:#536988}.chapter-courses .courses h2,.faq .faq-intro h2,.sst-blog-copy h2{font-size:var(--column-title);font-weight:700;line-height:1.16;letter-spacing:-.035em}.courses-heading h2 span,.courses .subject-switch button[aria-pressed=true]{color:var(--blue)}.courses-heading p,.faq-intro p{color:var(--body);font-size:18px;line-height:1.65}.faculty-carousel{--teacher-blue: var(--blue)}.school-switch button[aria-pressed=true],.subject-switch button[aria-pressed=true]:after{background:var(--blue)}.sst-faq{min-height:0;padding-block:96px}.sst-faq-toggle{font-size:21px;line-height:1.4;letter-spacing:-.015em;min-height:88px}.sst-faq .faq-answers .sst-faq-body p{color:var(--body)}.sst-ending{--ending-blue: var(--blue)}.sst-ending-copy h2{font-size:clamp(36px,3.8vw,56px);letter-spacing:-.035em}.sst-blog-description{font-size:18px;line-height:1.65;color:#edf4ff}[data-footer-entry=rise] .sst-full-footer,[data-footer-entry=rise] .sst-footer-col h3,[data-footer-entry=rise] .sst-footer-col a,[data-footer-entry=rise] .sst-footer-home{color:var(--ink)}.sst-footer-col h3{font-size:13px;letter-spacing:.025em}.sst-footer-col li{font-size:13px;line-height:1.7}.header-inner .top-cta,.hero.hero-blue .hero-cta,.sample-lesson,.sst-ending-cta,.sst-blog-cta{background:var(--orange);color:#fff;border-radius:12px;font-family:Inter,Arial,sans-serif;font-size:16px;font-weight:700;line-height:1.4;letter-spacing:0;min-height:54px;padding:15px 28px}.header-inner .top-cta{min-height:40px;font-size:14px;padding:10px 20px;border-radius:10px}.hero.hero-blue .hero-cta{min-width:220px}.header-inner .top-cta:hover,.hero.hero-blue .hero-cta:hover,.sample-lesson:hover,.sst-ending-cta:hover,.sst-blog-cta:hover{background:var(--orange-hover);color:#fff}.sst-footer-home-icon{background:var(--orange);color:#fff}button,a,summary{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--blue);outline-offset:5px}.parent-perspective ::selection,.sst-ending-visual ::selection{background:#fff0e3;color:var(--ink)}@media(min-width:901px)and (max-height:780px){.hero.hero-blue .hero-description{font-size:18px}.hero.hero-blue .hero-detail{font-size:16px;line-height:1.5}.hero.hero-blue .hero-cta{min-height:48px;padding-block:12px}.is-scroll-story .family-heading h2{font-size:40px}.is-scroll-story .family-card blockquote{font-size:26px}}@media(max-width:1000px){:root{--page-gutter: 32px}.feedback-journey .fwb-heading-row,.parent-perspective .parent-copy{gap:32px}.family-cards{gap:16px}.family-card{padding:24px}.family-card-top{flex-wrap:wrap}}@media(max-width:760px){:root{--page-gutter: 20px;--section-title: 36px;--column-title: 34px}.hero.hero-blue .hero-description{font-size:18px}.hero.hero-blue .hero-detail{font-size:16px}.hero.hero-blue .hero-cta{min-width:0}.hero-blue-inner{padding-top:116px}.family-stage{padding-top:64px}.family-card-two,.family-card-three{margin-inline:0}.family-card{min-height:340px}.family-context{margin-bottom:24px}.family-card blockquote{font-size:28px}.journey-next{padding-block:72px 56px}.journey-next h2{font-size:clamp(40px,10.8vw,64px)}.journey-next-bottom p,.learning .story-copy p{font-size:17px}.learning .story-row{gap:24px}.feedback-journey .fwb-heading-row{display:block;margin-bottom:32px}.parent-perspective .parent-copy{display:block;margin-bottom:36px}.feedback-journey .fwb-process .fwb-intro,.parent-perspective .parent-copy>p{font-size:17px}.feedback-journey .fwb-menu{gap:12px}.feedback-journey .fwb-choice-title{font-size:16px;line-height:1.35}.pp-handoff{height:120px;font-size:11px}.parent-perspective .pv-folder-tabs button{min-height:70px}.parent-perspective .pv-report-heading h3{font-size:23px}.courses-heading p,.faq-intro p,.sst-blog-description{font-size:17px}.sst-faq{padding-block:64px}.sst-faq-toggle{font-size:18px;min-height:80px;gap:20px}.sst-ending-copy h2{font-size:34px}.sst-footer-col h3{font-size:12px}}.site-header .header-inner{min-height:66px;padding:8px 24px;border:1px solid rgba(16,38,90,.06);border-radius:12px;box-shadow:0 3px 14px #10265a0e}.header-inner .brand{width:120px}.header-inner .brand-official{display:block;height:auto;filter:none}.header-inner .nav-labels{display:flex;align-items:center;gap:28px;white-space:nowrap;font-size:14px;font-weight:550}.site-header a{color:#10265a;text-decoration:none}.site-header .nav-labels>a[aria-current=page]{color:var(--blue);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:8px}.header-inner .nav-end{gap:18px}.header-inner .login-label{border:0;background:transparent;padding:8px 2px;min-height:44px;font-weight:550}.header-inner .login-label:hover{color:#006bd6}.header-inner .top-cta{min-height:40px;padding:10px 20px;border-radius:8px;color:#fff}.header-inner :is(.nav-labels>a,.nav-dropdown>summary,.nav-end>a){line-height:1.4}.header-inner :is(.nav-labels>a,.nav-end>a){display:inline-flex;align-items:center}.header-inner .nav-labels>a{min-height:44px}.header-inner .nav-end>a{justify-content:center}.nav-dropdown{position:relative}.nav-dropdown summary{display:flex;align-items:center;gap:8px;min-height:44px;cursor:pointer;list-style:none;user-select:none}.nav-dropdown summary::-webkit-details-marker{display:none}.nav-chevron{width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-top:-3px;opacity:.65}.nav-dropdown[open]>summary{color:#006bd6}.nav-dropdown[open] .nav-chevron{transform:rotate(225deg);margin-top:3px}.nav-popover{position:absolute;top:calc(100% + 18px);left:-24px;padding:20px;background:#fff;border:1px solid #e6edf3;border-radius:12px;box-shadow:0 12px 32px #10265a1a;white-space:normal}.nav-popover a{display:block;border-radius:6px;padding:12px;font-size:14px;font-weight:550;line-height:1.5}.nav-popover a:hover{background:#f0f7fc;color:#0065a6}.nav-popover small{display:block;color:#5f7084;font-size:12px;font-weight:400;margin-top:2px}.nav-approach-menu{width:320px;padding:12px}.nav-course-menu{width:492px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px 20px}.nav-course-group+.nav-course-group{border-left:1px solid #e6edf3;padding-left:20px}.nav-course-group strong{display:block;margin:0 10px 10px;padding-bottom:12px;border-bottom:2px solid #d9edf9;color:#10265a;font-size:16px;font-weight:650;letter-spacing:-.02em}.nav-course-group a{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:46px;padding:10px}.nav-course-group small{flex-shrink:0;white-space:nowrap;margin:0;padding:2px 6px;border-radius:4px;background:#f3f6f9;color:#5a6b80;font-size:11px;font-weight:500;font-variant-numeric:tabular-nums}.nav-course-group a:hover small{background:#e0effa;color:#0065a6}.nav-popover .nav-all-courses{grid-column:1/-1;border-top:1px solid #e6edf3;border-radius:0;padding:16px 10px 0;color:#0065a6;font-size:13px}.nav-popover .nav-all-courses:hover{background:transparent;text-decoration:underline;text-underline-offset:4px}.nav-labels>a:hover,.nav-dropdown summary:hover{color:#006bd6}.site-header :is(a,summary,button):focus-visible{outline:3px solid #6ca9ef;outline-offset:3px;border-radius:6px}.nav-mobile-toggle{display:none}#learning-title,#learning-steps,#learning-feedback,#parent-view,#courses{scroll-margin-top:125px}@media(min-width:901px)and (max-width:1100px){.site-header{padding-inline:24px}.site-header .header-inner{grid-template-columns:auto 1fr auto;gap:22px;padding-inline:20px}.header-inner .nav-labels{gap:18px;font-size:13px}.header-inner .brand{width:110px}.header-inner .nav-end{gap:14px}.header-inner .top-cta{padding-inline:16px}}@media(max-width:900px){.site-header{padding:12px}.site-header .header-inner{position:relative;width:100%;grid-template-columns:1fr auto auto;gap:16px;min-height:62px;padding:8px 14px}.header-inner .brand{width:108px}.nav-mobile-toggle{display:block;border:0;background:transparent;min-height:44px;padding:10px 4px;color:#10265a;font:inherit;font-size:13px;font-weight:600;cursor:pointer}.header-inner .nav-end{grid-column:3;gap:12px;font-size:13px}.header-inner .top-cta{padding-inline:14px;font-size:13px}.header-inner .nav-labels{display:none}.header-inner.nav-expanded .nav-labels{display:flex;position:absolute;top:calc(100% + 10px);left:0;right:0;background:#fff;padding:12px;border:1px solid #e6edf3;border-radius:12px;box-shadow:0 10px 28px #10265a14;flex-direction:column;align-items:stretch;gap:4px;max-height:calc(100svh - 112px);overflow:auto}.nav-labels>a{padding:12px}.nav-dropdown summary{padding:10px 12px;justify-content:space-between}.nav-popover{position:static;width:100%;box-shadow:none;border:0;background:#f8fafc;padding:12px 6px;margin:4px 0 8px}.nav-course-menu{gap:12px 8px}.nav-course-group+.nav-course-group{padding-left:8px}.nav-course-group strong{font-size:14px;margin-inline:6px}.nav-course-group a{gap:4px;padding-inline:6px;font-size:12px}.nav-course-group small{padding-inline:4px;font-size:10px}}@media(max-width:380px){.site-header .header-inner{gap:8px;padding-inline:10px}.header-inner .brand{width:92px}.header-inner .nav-end{gap:8px}.header-inner .top-cta{padding-inline:10px}.nav-course-menu{grid-template-columns:1fr}.nav-course-group+.nav-course-group{border-left:0;padding-left:0}}.family-journey .family-editorial{margin-bottom:54px}.family-journey .family-cards{gap:24px;align-items:stretch}.family-journey .family-card{padding:28px;min-height:430px;border-radius:16px;box-shadow:0 20px 40px -30px #112e6359}.family-person{display:flex;align-items:center;gap:16px;margin-bottom:30px;min-height:88px}.family-portrait{display:block;flex:0 0 88px;width:88px;height:88px;border-radius:50%;overflow:hidden;background:#fff}.family-portrait img{display:block;width:100%;height:100%;object-fit:cover;object-position:50% 50%}.family-portrait-john img{transform:scale(1.7);transform-origin:50% 25%}.family-person-copy{min-width:0}.family-person-copy strong{display:block;color:inherit;font:600 16px/1.4 Inter,Arial,sans-serif;letter-spacing:-.015em}.family-person-copy>span{display:block;color:var(--text-secondary);font:400 12px/1.5 Inter,Arial,sans-serif;margin-top:3px}.family-person-copy .family-shared{font-size:11px;margin:0 0 3px}.family-card-two .family-person-copy>span{color:#edf4ff}.family-journey .family-card blockquote{font:500 clamp(26px,2.2vw,32px)/1.2 Inter,Arial,sans-serif;letter-spacing:-.025em;min-height:0;margin:0;text-wrap:balance}.family-journey .family-card-two blockquote{font-size:clamp(30px,2.65vw,38px)}.family-journey .family-context{font-size:14px;line-height:1.65;max-width:none;margin:22px 0 28px}.family-journey .family-card footer{justify-content:space-between;gap:10px;padding-top:16px;margin-top:auto;font:500 12px/1.5 Inter,Arial,sans-serif;color:var(--text-secondary)}.family-journey .family-card-two footer{color:#edf4ff}.family-card footer time{font-size:11px;font-variant-numeric:tabular-nums}.family-journey .family-footnote{margin-top:32px}@media(min-width:901px)and (max-height:780px){.family-journey .family-editorial{margin-bottom:40px}.family-journey .family-card{padding:24px;min-height:395px}.family-person{margin-bottom:22px}.family-journey .family-card blockquote{font-size:26px}.family-journey .family-card-two blockquote{font-size:32px}.family-journey .family-context{margin:18px 0 22px;font-size:13px}.family-journey .family-footnote{margin-top:24px}}@media(min-width:601px)and (max-width:1050px){.family-journey .family-cards{gap:16px}.family-journey .family-card{padding:22px}.family-person{align-items:flex-start;flex-direction:column;gap:12px}.family-journey .family-card blockquote{font-size:26px}.family-journey .family-card-two blockquote{font-size:30px}}@media(max-width:900px){.family-journey .family-stage{padding-bottom:48px}.family-journey .family-card{min-height:420px}}@media(min-width:901px)and (max-width:1050px)and (max-height:780px){.family-person{align-items:center;flex-direction:row;gap:12px}}@media(max-width:600px){.family-journey .family-editorial{margin-bottom:36px}.family-journey .family-cards{gap:24px}.family-journey .family-card{padding:26px;min-height:400px}.family-person{gap:16px;margin-bottom:28px}.family-journey .family-card blockquote{font-size:28px}.family-journey .family-card-two blockquote{font-size:34px}.family-journey .family-context{font-size:14px;margin:22px 0 26px}.family-journey .family-footnote{margin-top:24px;max-width:38ch}}.family-journey.family-carousel{padding:88px 0 60px;scroll-margin-top:100px;background:var(--chapter-pale,#edf4ff)}.family-carousel .family-stage{width:min(1200px,calc(100% - 96px));max-width:1200px;padding:0;margin:auto;overflow:visible}.family-carousel .family-editorial{margin-bottom:40px}.family-carousel .family-heading h2{margin:0;font-size:48px;line-height:1.12}.family-carousel .family-heading h2 br{display:none}.family-carousel .family-brand-phrase{white-space:nowrap}.family-carousel .family-heading-logo{display:inline-block;width:6em;height:auto;vertical-align:-.9em;overflow:visible}.family-carousel .family-window{display:grid;overflow:visible;padding:12px;margin:-12px;position:relative}.family-carousel .family-window.is-switching{overflow:clip;overflow-clip-margin:36px}.family-carousel .family-cards{grid-area:1/1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;perspective:none;margin:0;align-items:stretch}.family-carousel .family-cards[hidden]{display:none}.family-carousel .family-card{height:auto;min-height:430px;padding:26px;transform-origin:50% 85%;border-radius:16px}.family-carousel .family-card>*{flex-shrink:0}.family-carousel .family-card-one{transform:translateY(8px) rotate(-2.2deg)}.family-carousel .family-card-two{transform:translateY(-18px);z-index:2;box-shadow:0 24px 42px -24px #10265a66}.family-carousel .family-card-three{transform:translateY(8px) rotate(2.2deg)}.family-carousel .family-editorial{margin-bottom:52px}.family-journey.family-carousel.is-family-scene{overflow:clip}.family-carousel[data-reading=false] .family-controls{opacity:0;visibility:hidden}.family-carousel .family-person{margin-bottom:24px}.family-carousel .family-card blockquote{font-size:28px;line-height:1.2;min-height:0}.family-carousel .family-card-two blockquote{font-size:32px}.family-carousel .family-context{font-size:14px;line-height:1.6;margin:22px 0 24px}.family-carousel .family-carousel-shell{position:relative}.family-carousel .family-controls{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;pointer-events:none;opacity:0;transition:opacity .18s ease;z-index:3}.family-carousel .family-controls button{position:absolute;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--ink);cursor:pointer;pointer-events:none;box-shadow:0 4px 16px #10265a18;transition:background .18s,color .18s}.family-carousel .family-controls button[data-family-step="-1"]{left:-22px}.family-carousel .family-controls button[data-family-step="1"]{right:-22px}.family-carousel .family-carousel-shell:hover .family-controls,.family-carousel .family-controls:has(button:focus-visible){opacity:1}.family-carousel .family-carousel-shell:hover .family-controls button,.family-carousel .family-controls:has(button:focus-visible) button{pointer-events:auto}.family-carousel .family-controls button:hover{background:var(--ink);color:#fff}.family-carousel .family-controls button[aria-disabled=true]{cursor:wait;opacity:.5}.family-carousel .family-controls button:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.family-carousel .family-controls svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.family-carousel .family-footnote{margin-top:18px}.family-carousel .family-status{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}@media(prefers-reduced-motion:reduce){.family-carousel .family-controls,.family-carousel .family-controls button{transition:none}}@media(max-width:1000px){.family-carousel .family-stage{width:calc(100% - var(--page-gutter)*2)}.family-carousel .family-card{height:auto;min-height:460px}}@media(max-width:900px){.family-carousel .family-heading h2{font-size:36px}.family-carousel .family-cards{grid-template-columns:1fr;gap:24px}.family-carousel .family-card{height:auto;min-height:380px;transform:none}.family-carousel .family-person{flex-direction:row;align-items:center}.family-carousel .family-controls{position:relative;inset:auto;justify-content:flex-end;gap:12px;opacity:1;margin-top:28px}.family-carousel .family-controls button{position:static;transform:none;pointer-events:auto}.family-carousel .family-editorial{display:block;margin-bottom:32px}.family-carousel .family-source{margin-top:16px}}.learning.wrap{width:min(1360px,calc(100% - 64px));max-width:1360px}.learning .story-row{gap:48px}.learning .story-copy{max-width:560px}.learning .story-copy h3{font-size:clamp(32px,2.8vw,40px);line-height:1.2}.learning .story-copy p{font-size:20px;line-height:1.6}.learning .learning-demo{transform:scale(1.06);transform-origin:center}.learning .learning-capture{position:relative}.learning .learning-demo-play{position:absolute;inset:auto 16px 16px auto;z-index:2;border:0;border-radius:8px;padding:10px 16px;background:#fff;color:#0754b5;font:600 14px/1.4 Inter,Arial,sans-serif;cursor:pointer}.learning .learning-demo-play[hidden]{display:none}@media(min-width:761px)and (max-width:1050px){.learning.wrap{width:calc(100% - 48px)}.learning .story-row{gap:32px}.learning .story-copy h3{font-size:32px}.learning .story-copy p{font-size:19px}}@media(max-width:760px){.learning.wrap{width:calc(100% - 32px)}.learning .story-row{gap:28px}.learning .story-copy{max-width:none}.learning .story-copy h3{font-size:31px}.learning .story-copy p{font-size:19px}}@media(max-width:760px){.learning .learning-demo-play{min-width:44px;min-height:44px}}.sst-faq{overflow-anchor:none}.family-carousel+.sst-faq.faq.section{padding-top:72px}.sst-faq .faq-intro:before{display:none}.faq-rule{display:block;width:56px;height:3px;margin-bottom:28px;background:var(--blue, #0864da);transform-origin:left}.faq-title-line{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}.faq-title-line>span{display:block}.sst-faq .faq-intro p{max-width:300px}.faq-help{display:inline-flex;margin-top:20px;padding-block:8px;color:var(--blue, #0864da);font-size:16px;font-weight:600;text-underline-offset:5px}.sst-faq .faq-answers{min-width:0}#faq .faq-answers .sst-faq-item{border-color:transparent}.sst-faq .sst-faq-reveal{position:relative}.sst-faq .sst-faq-reveal:after,.sst-faq .sst-faq-item:first-child .sst-faq-reveal:before{content:"";position:absolute;left:0;right:0;height:1px;background:#cadcf1;pointer-events:none}.sst-faq .sst-faq-reveal:after{bottom:-1px}.sst-faq .sst-faq-item:first-child .sst-faq-reveal:before{top:-1px}.sst-faq-toggle{transition:color .2s ease}.sst-faq-toggle i{flex:0 0 32px;width:32px;height:32px;border-radius:50%;color:var(--blue, #0864da);background:#edf4ff;transition:background-color .24s ease,color .24s ease}.sst-faq-toggle i:before,.sst-faq-toggle i:after{width:14px;height:2px;border-radius:2px}.sst-faq-item.is-open .sst-faq-toggle i{color:#fff;background:var(--blue, #0864da)}.sst-faq-item.is-open .sst-faq-toggle{color:var(--blue, #0864da)}.sst-faq-toggle i:after{transition:transform .32s cubic-bezier(.22,1,.36,1),opacity .24s ease}.sst-faq-answer{min-height:0;overflow:hidden}.sst-faq.sst-faq-enhanced .sst-faq-body{display:grid;grid-template-rows:0fr;visibility:hidden;transition:grid-template-rows .42s cubic-bezier(.22,.68,0,1),visibility 0s .42s}.sst-faq.sst-faq-enhanced .is-open .sst-faq-body{grid-template-rows:1fr;visibility:visible;transition:grid-template-rows .42s cubic-bezier(.22,.68,0,1),visibility 0s}.sst-faq .sst-faq-body p{transition:opacity .28s ease,transform .36s cubic-bezier(.22,1,.36,1)}.sst-faq-enhanced .sst-faq-body p{opacity:0;transform:translateY(-5px)}.sst-faq-enhanced .is-open .sst-faq-body p{opacity:1;transform:translateY(0)}.sst-faq-body a{color:var(--blue, #0864da);text-underline-offset:3px}.faq-help:focus-visible,.sst-faq-body a:focus-visible{outline:3px solid #ff823d;outline-offset:4px;border-radius:2px}html.faq-is-resizing{overflow-anchor:none}@media(hover:hover){.sst-faq-toggle:hover{color:var(--blue, #0864da)}}@media(max-width:800px){.sst-faq .faq-intro{position:static}.sst-faq .faq-intro p{max-width:440px}}@media(max-width:760px){.sst-faq.sst-faq-enhanced .sst-faq-item .sst-faq-body,.sst-faq.sst-faq-enhanced .sst-faq-item.is-open .sst-faq-body{transition:grid-template-rows .18s ease-out,visibility 0s .18s}.sst-faq.sst-faq-enhanced .sst-faq-item.is-open .sst-faq-body{transition:grid-template-rows .18s ease-out,visibility 0s}.sst-faq .sst-faq-body p{transition:opacity .12s ease-out;transform:none}.family-carousel+.sst-faq.faq.section{padding-top:60px}.faq-rule{margin-bottom:22px;width:44px}.faq-help{margin-top:8px}}@media(prefers-reduced-motion:reduce){.sst-faq.sst-faq-enhanced .sst-faq-item .sst-faq-body,.sst-faq.sst-faq-enhanced .sst-faq-item.is-open .sst-faq-body{transition:none}.sst-faq.sst-faq-enhanced .sst-faq-body,.sst-faq.sst-faq-enhanced .is-open .sst-faq-body,.sst-faq .sst-faq-body p,.sst-faq-toggle,.sst-faq-toggle i,.sst-faq-toggle i:after{transition:none}}.parents .pv-screen-caption .pv-caption-title{display:block;margin-bottom:6px;color:var(--ink, #10265a);font-size:15px;font-weight:600}.hero.hero-real .hero-audience{max-width:none;margin:0 0 14px;color:var(--text-secondary, #465976);font:500 14px/1.5 Inter,Arial,sans-serif}.journey-next-bottom p{max-width:58ch}.journey-down{flex-shrink:0}.learning .story-copy .homework-plan-note{margin-top:16px;font-size:15px;line-height:1.6}.homework-plan-note a{color:var(--blue);text-underline-offset:3px}.chapter-courses .sample-lesson-label{margin:24px 0 0;color:var(--text-secondary, #465976);font-size:15px;line-height:1.5}.chapter-courses .sample-lesson-label+.sample-lesson{margin-top:12px}@media(min-width:901px)and (max-height:780px){.hero-real .hero-copy{top:15%}.hero.hero-real .hero-audience{font-size:12px;margin-bottom:10px}.hero.hero-real>.hero-barry{width:14%}}@media(max-width:760px){.hero.hero-real .hero-audience{font-size:13px;max-width:36ch}}.learning-introduction.is-learning-scene{height:115svh}.learning-introduction.is-learning-scene .journey-next{height:90svh;min-height:620px;padding-block:112px 64px}.learning-introduction.is-learning-scene+.learning{margin-top:-12svh}.learning.wrap{width:min(1320px,calc(100% - 96px));max-width:1320px}.learning .story-row{gap:64px;margin-top:32px;padding-top:32px;border-top:1px solid var(--line)}.learning .story-copy{max-width:500px}.learning .learning-step{display:flex;align-items:baseline;gap:20px;margin-bottom:24px}.learning .learning-step>span{color:#bdd3f2;font:500 72px/1 Inter,Arial,sans-serif;letter-spacing:-.04em;font-variant-numeric:tabular-nums}.learning .learning-step>strong{color:var(--blue);font-size:16px;font-weight:600}.learning .story-copy h3{font-size:clamp(30px,2.8vw,40px);line-height:1.18}.learning .story-copy p{font-size:18px;line-height:1.65;max-width:46ch}.learning .learning-connector{height:104px;margin-block:24px}.learning .learning-demo{transform:scale(1.04)}.chapter-feedback.chapter-surface{padding-block:88px 72px}.chapter-feedback .feedback.wrap{width:min(1360px,calc(100% - 96px));max-width:1360px;display:grid;grid-template-columns:minmax(230px,.82fr) minmax(0,2.75fr);align-items:start;gap:48px;padding-top:72px;border-top:1px solid var(--line)}.chapter-feedback .feedback>header{text-align:left;margin:0;padding-top:4px}.chapter-feedback .feedback .fb-heading{font-size:clamp(34px,3vw,44px);line-height:1.16;letter-spacing:-.035em;text-wrap:balance}.chapter-feedback .feedback .fb-heading br{display:block}.chapter-feedback .feedback>header p{margin:24px 0 0;font-size:17px;line-height:1.65}.chapter-feedback .feedback>header p br{display:none}.chapter-feedback .feedback .fb-gallery{min-width:0;gap:12px}.chapter-feedback .feedback .fb-panel{min-height:560px;border-radius:16px}.chapter-feedback .feedback .fb-panel-toggle{padding:24px 20px 0;gap:28px}.chapter-feedback .feedback .fb-toggle-symbol{right:16px;top:20px}.chapter-feedback .feedback .fb-panel-title{font-size:23px;text-wrap:initial}.chapter-feedback .feedback .fb-active .fb-panel-title{font-size:27px}.chapter-feedback .feedback .fb-cover{padding:20px;min-height:200px}.chapter-feedback .feedback .fb-cover-description{font-size:16px;line-height:1.6}.chapter-feedback .feedback .fb-detail{padding:24px 20px}.chapter-feedback .feedback .fb-stage-visual{padding:10px}.chapter-feedback .feedback .fb-stage-copy p{font-size:16px}.chapter-feedback .feedback .fb-stage-copy .fb-status-guide p,.chapter-feedback .feedback .fb-stage-copy .fb-unlock p,.chapter-feedback .feedback .fb-stage-copy .fb-reward-note{font-size:13px}.chapter-feedback .feedback .fb-cover-bottom{font-size:12px}@media(max-width:1350px){.chapter-feedback .feedback.wrap{display:block}.chapter-feedback .feedback>header{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-bottom:112px}.chapter-feedback .feedback>header p{margin:0}.chapter-feedback .feedback .fb-panel{min-height:520px}}@media(max-width:900px){.learning.wrap,.chapter-feedback .feedback.wrap{width:calc(100% - 64px)}.learning .story-row{gap:32px}.learning .learning-step>span{font-size:60px}}@media(max-width:850px){.chapter-feedback .feedback .fb-panel{min-height:0}}@media(max-width:760px){.learning.wrap,.chapter-feedback .feedback.wrap{width:calc(100% - 40px)}.learning .story-row{margin-top:0;padding-top:24px;gap:20px}.learning .learning-step{margin-bottom:20px;gap:16px}.learning .learning-step>span{font-size:52px}.learning .story-copy h3{font-size:31px}.learning .story-copy p{font-size:17px}.learning .learning-connector{height:72px;margin-block:16px}.learning .learning-demo{transform:none}.chapter-feedback.chapter-surface{padding-block:48px 56px}.chapter-feedback .feedback.wrap{padding-top:40px}.chapter-feedback .feedback>header{display:block;margin-bottom:104px}.chapter-feedback .feedback .fb-heading{font-size:36px;max-width:15ch}.chapter-feedback .feedback>header p{margin-top:20px}.chapter-feedback .feedback .fb-panel{min-height:0}.chapter-feedback .feedback .fb-panel-toggle{padding-bottom:20px}.chapter-feedback .feedback .fb-panel-title{font-size:26px}.chapter-feedback .feedback .fb-detail{padding-top:0}.chapter-feedback .feedback .fb-cover{padding-top:0;min-height:176px}}:root{--chapter-pale: #edf4ff;--chapter-blue: #dceaff;--rhythm-width: 1248px;--rhythm-gutter: clamp(20px, 4vw, 56px)}.learning-introduction.wrap,.learning.wrap{width:100%;max-width:none;margin:0;padding-inline:max(var(--rhythm-gutter),calc((100% - var(--rhythm-width)) / 2));background:var(--chapter-pale)}.learning-introduction .journey-next{position:relative;height:auto;min-height:0;display:grid;grid-template-columns:1.35fr 1fr;align-items:end;gap:20px 72px;padding-block:80px 40px}.learning-introduction .family-eyebrow{display:none}.learning-introduction .journey-next h2{font-size:clamp(38px,4.4vw,64px);line-height:1.08;letter-spacing:-.035em;margin:0}.learning-introduction .journey-title-line{display:inline}.learning-introduction .journey-title-last{padding-left:0}.learning-introduction .journey-next-bottom{display:block;padding:0}.learning-introduction .journey-next-bottom p{margin:0;font-size:18px;max-width:42ch}.learning-introduction .journey-down{display:none}.learning.wrap{padding-top:0;padding-bottom:80px;overflow:clip}.learning .story-row{grid-template-columns:minmax(0,.82fr) minmax(0,1.3fr);max-width:none;gap:64px;margin:0;padding:32px 0 0;border-top:1px solid #cadcf1}.learning .story-row.reverse{grid-template-columns:minmax(0,1.3fr) minmax(0,.82fr)}.learning .story-copy{max-width:460px}.learning .learning-step{margin-bottom:18px;gap:16px}.learning .learning-step>span{font-size:44px;color:#567aa8}.learning .story-copy h3{font-size:clamp(28px,2.7vw,39px)}.learning .story-copy p{font-size:17px;line-height:1.65}.learning .learning-capture{margin:0;padding:12px;background:#cfe2ff;border-radius:16px}.learning .learning-capture-frame{background:#fff;border-radius:10px}.learning .learning-demo{transform:none}.learning .learning-connector{height:56px;margin-block:16px}.chapter-feedback.chapter-surface{padding:80px 0}.chapter-feedback .fj-passage{display:none}.chapter-feedback .feedback.wrap{width:min(var(--rhythm-width),calc(100% - var(--rhythm-gutter) * 2));display:block;padding:0;border:0}.chapter-feedback .feedback>header{display:grid;grid-template-columns:1.2fr 1fr;align-items:end;gap:56px;margin:0 0 48px}.chapter-feedback .feedback .fb-heading{font-size:clamp(36px,3.5vw,50px);margin:0}.chapter-feedback .feedback>header p{margin:0;max-width:44ch;font-size:17px}.chapter-feedback .feedback .fb-panel{min-height:520px}.parent-perspective.parent-typography{background:var(--chapter-blue);padding:76px 0}.parent-typography .parents.section{width:min(var(--rhythm-width),calc(100% - var(--rhythm-gutter) * 2));height:auto;min-height:0;padding:0;margin:auto;background:transparent;overflow:visible;scroll-margin-top:110px}.parent-typography .parent-copy{display:grid!important;grid-template-columns:1.2fr 1fr;align-items:end;gap:56px;margin:0 0 32px}.parent-typography .pt-heading{display:block}.parent-typography .pt-line{position:static;display:block;width:auto;white-space:normal;font-size:clamp(38px,3.9vw,56px);line-height:1.08;letter-spacing:-.035em}.parent-typography .pt-targets,.parent-typography .pt-curtain{display:none}.parent-perspective.parent-typography .parent-copy>.pt-description{position:static;margin:0;max-width:44ch;font-size:17px}.parent-perspective.parent-typography .parents .pv-visual{position:relative;inset:auto;width:100%;max-width:none;margin:0;padding:0}.parent-typography .pp-report-stage{height:auto;padding:0;background:transparent}.parent-perspective.parent-typography .pv-folder{height:auto;border:0;border-radius:16px;box-shadow:0 22px 42px -32px #112e6359}.parent-typography .pt-report-head{padding:22px 28px;border-bottom:1px solid #dce6f2}.parent-typography .pv-paper-meta{color:var(--body);font-size:12px}.parent-perspective.parent-typography .pv-folder-tabs button{min-height:44px;font-size:13px}.parent-typography .pv-paper{padding:24px 28px}.parent-typography .pv-report-panel{flex:none}.parent-typography .pv-report-panel[hidden]{display:none}.parent-typography .pv-product-figure{flex:none;height:340px}.parent-typography .pv-product-figure img{object-fit:contain}.parent-typography .pv-reading-hint{display:none}.parent-typography .pv-screen-caption{margin-top:18px;font-size:13px}.parent-perspective.parent-typography .pv-visual-caption{position:static;margin-top:16px}.chapter-courses.chapter-surface{padding:80px 0}.chapter-courses .courses.wrap{width:min(var(--rhythm-width),calc(100% - var(--rhythm-gutter) * 2));margin:auto;padding:0}.chapter-courses .course-content{grid-template-columns:minmax(0,.82fr) minmax(0,1.9fr);gap:48px}.chapter-courses .faculty-carousel{height:480px;--teacher-blue: var(--blue)}.courses .school-switch button[aria-pressed=true],.subject-indicator{background:var(--blue)}.courses .subject-switch button[aria-pressed=true]{color:var(--blue)}@media(max-width:900px){.family-journey.family-carousel{background:var(--chapter-pale);padding:76px 0}.family-carousel .family-stage{width:min(var(--rhythm-width),calc(100% - var(--rhythm-gutter) * 2));max-width:var(--rhythm-width);padding:0}.family-carousel .family-editorial{margin-bottom:32px}.family-carousel .family-card{height:auto;min-height:0;padding:24px;transform:none;background:#fff;overflow:hidden;box-shadow:none}.family-carousel .family-card-two{background:var(--blue)}.family-carousel .family-person{display:block;margin-bottom:18px}.family-carousel .family-portrait{width:calc(100% + 48px);height:180px;border-radius:0;margin:-24px -24px 20px;background:#cfe2ff}.family-carousel .family-portrait img{object-position:50% 35%}.family-carousel .family-portrait-john img{transform:none}.family-carousel .family-card blockquote,.family-carousel .family-card-two blockquote{font-size:27px;line-height:1.2;text-wrap:initial}.family-carousel .family-context{margin:18px 0 22px;font-size:15px}.family-carousel .family-controls{position:relative;inset:auto;justify-content:flex-end;gap:12px;opacity:1;margin-top:24px}.family-carousel .family-controls button{position:static;transform:none;pointer-events:auto;box-shadow:none}.family-carousel .family-footnote{margin-top:12px}}.sst-faq.section{padding-block:72px}.sst-blog-copy .sst-blog-kicker,.sst-blog-pause{color:#fff}@media(max-width:1000px){.learning-introduction .journey-next,.learning .story-row,.learning .story-row.reverse{gap:32px}.learning .story-copy h3{font-size:30px}.parent-typography .parent-copy{gap:32px}.parent-typography .pt-report-head{display:block}.parent-typography .pv-paper-meta{margin-bottom:12px}.chapter-courses .faculty-carousel{height:440px}}@media(max-width:900px){.family-carousel .family-cards{grid-template-columns:1fr}.family-carousel .family-card{display:grid;grid-template-columns:.8fr 1fr;gap:0 28px}.family-carousel .family-person{grid-row:1 / 4;margin:0}.family-carousel .family-portrait{width:100%;margin:0 0 16px;border-radius:10px}}@media(max-width:850px){.chapter-feedback .feedback>header{display:block;margin-bottom:80px}.chapter-feedback .feedback>header p{margin-top:20px}.chapter-feedback .feedback .fb-panel{min-height:0}.chapter-feedback .feedback .fb-panel+.fb-panel{margin-top:72px}.chapter-feedback .feedback .fb-barry{transform:translate(-50%) scale(.72);transform-origin:center bottom}}@media(max-width:760px){.learning-introduction .journey-next{display:block;padding-block:52px 24px}.learning-introduction .journey-next h2{max-width:15ch;font-size:40px}.learning-introduction .journey-next-bottom{margin-top:24px}.learning-introduction .journey-next-bottom p{font-size:17px}.learning.wrap{padding-bottom:52px}.learning .story-row,.learning .story-row.reverse{grid-template-columns:1fr;gap:24px;padding-top:24px}.learning .story-copy,.learning .learning-capture{grid-column:auto;grid-row:auto}.learning .learning-step{margin-bottom:14px}.learning .learning-step>span{font-size:36px}.learning .learning-connector{height:32px;margin-block:14px}.learning .learning-capture{padding:8px}.chapter-feedback.chapter-surface,.chapter-courses.chapter-surface,.parent-perspective.parent-typography{padding-block:52px}.parent-typography .parent-copy{display:block!important;margin-bottom:28px}.parent-typography .pt-line{font-size:40px}.parent-perspective.parent-typography .parent-copy>.pt-description{margin-top:20px;font-size:17px;max-width:none}.parent-typography .pt-report-head{padding:16px}.parent-typography .pv-folder-tabs{gap:4px}.parent-perspective.parent-typography .pv-folder-tabs button{font-size:12px;padding:8px;white-space:normal}.parent-typography .pv-paper{padding:20px 16px}.parent-typography .pv-product-figure{height:240px;overflow:auto}.parent-typography .pv-screenshot-link{width:max(100%,640px);height:auto;min-height:100%}.parent-typography .pv-product-figure img{width:100%;height:auto}.parent-typography .pv-reading-hint{display:block;color:var(--body);font-size:12px;margin:14px 0 0;line-height:1.5}.chapter-courses .course-content{grid-template-columns:1fr;gap:24px}.chapter-courses .faculty-carousel{height:410px}.family-journey.family-carousel{padding-block:52px}.family-carousel .family-card{display:flex}.family-carousel .family-portrait{width:calc(100% + 48px);margin:-24px -24px 20px;border-radius:0;height:190px}.family-carousel .family-person{margin-bottom:20px}.family-carousel .family-card blockquote{font-size:27px}.sst-faq.section{padding-block:52px}}.learning-introduction.wrap{padding:0;background:var(--chapter-pale);position:relative}.learning-introduction .journey-next{display:flex;flex-direction:column;justify-content:center;align-items:stretch;gap:0;padding:124px max(var(--rhythm-gutter),calc((100% - var(--rhythm-width)) / 2)) 72px;isolation:isolate}.learning-intro-backdrop{position:absolute;inset:0;z-index:-1;background:var(--chapter-pale);pointer-events:none}.learning-intro-copy{width:100%;max-width:1120px;margin:auto}.learning-introduction .family-eyebrow{display:block;font-size:13px;margin:0 0 24px;color:var(--blue)}.learning-introduction .journey-next h2{font-size:clamp(52px,6.3vw,90px);line-height:1.04;letter-spacing:-.05em}.learning-introduction .journey-title-line{display:block}.learning-introduction .journey-title-last{padding-left:15%}.learning-introduction .journey-next-bottom{padding-left:15%;margin-top:28px}.learning-introduction .journey-next-bottom p{max-width:48ch}.learning.wrap{background:var(--chapter-pale);position:relative}.learning-introduction.has-learning-reveal{--learning-title-height: min(84svh, 740px);height:calc(var(--learning-title-height) + 20svh)}.has-learning-reveal .journey-next{position:sticky;top:0;height:var(--learning-title-height);min-height:0;padding-block:136px 64px}.has-learning-reveal+.learning{margin-top:0}.has-learning-reveal .learning-intro-backdrop{will-change:opacity}.has-learning-reveal .learning-intro-copy{margin:0 auto auto;will-change:transform,opacity}.learning-introduction:not(.has-learning-reveal) :is(.learning-intro-copy,.learning-intro-backdrop,.journey-title-line,.family-eyebrow,.journey-next-bottom){opacity:1!important;transform:none!important}@media(max-width:760px){.learning-introduction .journey-next{padding-block:108px 52px}.learning-introduction .journey-next h2{max-width:none;font-size:clamp(35px,9.4vw,60px)}.learning-introduction .journey-title-last{padding-left:0}.learning-introduction .journey-next-bottom{padding-left:0;margin-top:24px}.learning-introduction .family-eyebrow{margin-bottom:20px}.learning-introduction.has-learning-reveal{--learning-title-height: min(76svh, 620px)}.has-learning-reveal .journey-next{padding-block:108px 64px}}@media(max-height:600px)and (min-width:761px){.learning-introduction .journey-next h2{font-size:48px}.learning-introduction .journey-next-bottom{margin-top:20px}.learning-introduction .family-eyebrow{margin-bottom:16px}}@media(min-width:761px){.parent-perspective.parent-typography #parent-view[data-parent-content=compact] .pt-description{justify-self:end;text-align:right}}#parent-view[data-parent-content=compact] .pv-folder{border:1px solid #dce6f2;border-radius:14px}#parent-view[data-parent-content=compact] .pt-report-head{display:flex;flex-direction:column-reverse;align-items:stretch;gap:0;padding:0;border:0}#parent-view[data-parent-content=compact] .pv-folder-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;padding:0;border-bottom:1px solid #dce6f2}#parent-view[data-parent-content=compact] .pv-folder-tabs button{--tab-idle:var(--card-blue-idle);--tab-hover:var(--card-blue-hover);--tab-active:var(--card-blue-active);--tab-ink:var(--card-blue-ink);position:relative;text-align:left;border-radius:0;padding:19px 24px;min-height:76px;color:var(--body);background:#fff;font-size:14px}#parent-view[data-parent-content=compact] .pv-folder-tabs button small{display:block;font-size:11px;line-height:1.5;font-weight:400;margin-top:5px;color:var(--text-secondary)}#parent-view[data-parent-content=compact] .pv-folder-tabs button[aria-selected=true]{background:color-mix(in srgb,var(--tab-idle) 36%,white);color:var(--tab-ink)}#parent-view[data-parent-content=compact] .pv-folder-tabs button[aria-selected=true]:after{content:"";position:absolute;inset:auto 0 0;height:3px;width:auto;border-radius:0;background:var(--tab-ink)}#parent-view[data-parent-content=compact] .pv-folder-tabs button:hover{background:color-mix(in srgb,var(--tab-idle) 24%,white);color:var(--tab-ink)}#parent-view[data-parent-content=compact] .pv-paper-meta{padding:24px 32px 0;font-size:10px;text-transform:none;letter-spacing:0}#parent-view[data-parent-content=compact] .pv-paper{padding:16px 32px 0}#parent-view[data-parent-content=compact] .pv-report-panel{display:flex;flex-direction:column;min-height:0;overflow:visible}#parent-view[data-parent-content=compact] .pv-report-panel[hidden]{display:none}#parent-view[data-parent-content=compact] .pv-report-heading{margin:0 0 18px}#parent-view[data-parent-content=compact] .pv-report-heading h3{font-size:28px;line-height:1.25;letter-spacing:-.025em;margin:0 0 5px}#parent-view[data-parent-content=compact] .pv-report-heading p{font-size:13px;line-height:1.6;margin:0}#parent-view[data-parent-content=compact] .pv-product-figure{height:clamp(255px,27vw,350px);width:100%;max-width:880px;flex:none;margin:0 auto;overflow:hidden}#parent-view[data-parent-content=compact] .pv-screenshot-link{display:flex;align-items:center;justify-content:center;appearance:none;border:0;background:#fff;padding:0;width:100%;height:100%;cursor:zoom-in}#parent-view[data-parent-content=compact] .pv-product-figure img{display:block;width:100%;height:100%;object-fit:contain;max-width:100%}#parent-view[data-parent-content=compact] .pv-summary-figure img{max-width:837px}#parent-view[data-parent-content=compact] .pv-screen-caption{font-size:12px;line-height:1.6;margin:18px 0 20px;max-width:none}#parent-view[data-parent-content=compact] .pv-paper-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid #e3eaf3;margin:0;padding:14px 0;font-size:10px;color:var(--text-secondary)}#parent-view[data-parent-content=compact] .pv-visual-caption,#parent-view[data-parent-content=compact] .pv-reading-hint{display:none}#parent-view[data-parent-content=compact] .pv-visual{transform-origin:50% 80%}#parent-view[data-parent-content=compact] .pv-summary-stack{width:100%;max-width:900px;margin:10px auto 0;display:grid;gap:24px}#parent-view[data-parent-content=compact] .pv-summary-stack .pv-product-figure{height:auto;max-width:none}#parent-view[data-parent-content=compact] .pv-summary-stack .pv-screenshot-link{height:auto}#parent-view[data-parent-content=compact] .pv-summary-stack img{height:auto;object-fit:initial}#parent-view[data-parent-content=compact] .pv-live-progress{padding-top:22px;border-top:1px solid #e3eaf3}#parent-view[data-parent-content=compact] #pv-panel-activity .pv-product-figure{height:auto;max-width:940px}#parent-view[data-parent-content=compact] #pv-panel-activity .pv-screenshot-link{height:auto}#parent-view[data-parent-content=compact] #pv-panel-activity img{height:auto;object-fit:initial}.pv-history-crop{display:block;width:100%;aspect-ratio:1141/614;overflow:hidden}#parent-view .pv-topic-key{width:100%;max-width:880px;margin:20px auto 24px;padding-top:18px;border-top:1px solid #e3eaf3}#parent-view .pv-topic-levels{display:flex;flex-wrap:wrap;gap:12px 24px;list-style:none;margin:0;padding:0;color:var(--body);font-size:12px;line-height:1.5}#parent-view .pv-topic-levels li{display:flex;align-items:center;gap:8px;white-space:nowrap}#parent-view .pv-topic-dot{width:10px;height:10px;flex:none;border-radius:50%;background:#b9c5cb}#parent-view .pv-topic-levels li:nth-child(2) .pv-topic-dot{background:#d97bb0}#parent-view .pv-topic-levels li:nth-child(3) .pv-topic-dot{background:#73b5f6}#parent-view .pv-topic-levels li:nth-child(4) .pv-topic-dot{background:#70b640}#parent-view .pv-topic-levels li:nth-child(5) .pv-topic-dot{background:#c4d337}#parent-view .pv-topic-help{margin-top:10px;font-size:12px;line-height:1.65}#parent-view .pv-topic-help summary{width:fit-content;min-height:44px;align-content:center;cursor:pointer;color:var(--card-blue-ink);text-underline-offset:4px}#parent-view .pv-topic-help summary:hover{text-decoration:underline}#parent-view .pv-topic-help summary:focus-visible{outline:2px solid var(--blue);outline-offset:4px;border-radius:3px}#parent-view .pv-topic-help-copy{max-width:680px;color:var(--text-secondary)}#parent-view .pv-topic-help-copy p{font-size:12px;line-height:1.65;margin:0 0 8px}#parent-view[data-parent-content=compact] .pv-history-crop img,.feedback-viewer .pv-history-crop img{display:block;width:100%;max-width:none;height:auto;margin-top:-26.993865%}@media(max-width:760px){#parent-view[data-parent-content=compact] .pv-folder-tabs button{padding:14px 10px;font-size:12px;min-height:62px}#parent-view[data-parent-content=compact] .pv-folder-tabs button small{display:none}#parent-view[data-parent-content=compact] .pv-paper-meta{padding:22px 18px 0}#parent-view[data-parent-content=compact] .pv-paper{padding:14px 18px 0}#parent-view[data-parent-content=compact] .pv-report-heading h3{font-size:23px}#parent-view[data-parent-content=compact] .pv-product-figure{height:240px;overflow-x:auto}#parent-view[data-parent-content=compact] .pv-screenshot-link{width:560px;max-width:none}#parent-view[data-parent-content=compact] .pv-reading-hint{display:block;margin:0 0 16px;font-size:11px;color:var(--text-secondary)}#parent-view[data-parent-content=compact] .pv-paper-footer{font-size:9px;align-items:start}}.hero.hero-real{height:100svh;min-height:680px;max-height:none;aspect-ratio:auto;padding:0;background:#f8f7f4;isolation:isolate;overflow:hidden}.hero-real:before,.hero-real:after{content:none}.hero-real .laptop-screen video{object-fit:contain;background:#111820}.hero-real .hero-scene{position:absolute;inset:0 auto auto 0;transform-origin:0 0;width:1774px;height:887px}.hero-real .hero-copy{position:absolute;inset:19% auto auto 57%;width:39%;margin:0;padding:0}.hero.hero-real h1{font-family:Poppins,Inter,Arial,sans-serif;font-size:clamp(32px,min(3.35vw,6svh),64px);font-weight:800;line-height:1.12;letter-spacing:-.035em;text-wrap:initial}.hero-real .hero-emphasis{color:var(--blue)}.hero.hero-real .hero-description{font-size:clamp(18px,1.45vw,25px);font-weight:650;margin:22px 0 0;line-height:1.45}.hero.hero-real .hero-detail{font-size:clamp(15px,1.15vw,20px);font-weight:450;line-height:1.5;max-width:94%;margin:14px 0 0}.hero.hero-real .hero-cta{margin-top:22px;min-height:54px;padding:15px 28px;background:var(--orange);color:#fff;border-radius:12px;text-decoration:none;font:700 16px/1.4 Inter,Arial,sans-serif;letter-spacing:0}.hero-real .hero-cta:hover{background:var(--orange-hover)}.hero-real .hero-cta:focus-visible{outline:3px solid var(--blue);outline-offset:5px}.hero.hero-real>.hero-barry{width:min(14%,25svh);right:3%;bottom:3%;pointer-events:none}.hero-real .hero-proof{margin-top:24px;padding-top:18px;border-top:1px solid #bacce0}.hero-real .hero-proof-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;margin:0}.hero-real .hero-proof-item{position:relative;display:flex;flex-direction:column;padding-top:25px;min-width:0}.hero-real .hero-proof-item dt{order:2;margin-top:5px;color:var(--text-secondary);font-size:11px;line-height:1.4}.hero-real .hero-proof-item dd{order:1;color:var(--blue);font-size:clamp(22px,1.75vw,30px);font-weight:750;line-height:1.15;letter-spacing:-.04em;white-space:nowrap}.hero-real .hero-proof-item svg{position:absolute;left:0;top:0;width:18px;height:18px;fill:none;stroke:var(--blue);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.hero-real .metric-unit,.hero-real .metric-plus{font-size:1em}@media(min-width:901px)and (max-height:780px){.hero-real .hero-copy{top:17%}.hero.hero-real h1{font-size:min(3.25vw,5.7svh)}.hero.hero-real .hero-description{margin-top:16px;font-size:18px}.hero.hero-real .hero-detail{margin-top:10px;font-size:15px}.hero.hero-real .hero-cta{margin-top:16px;padding:12px 24px;min-height:46px;font-size:16px}.hero-real .hero-proof{margin-top:18px;padding-top:14px}.hero-real .hero-proof-item{padding-top:25px}.hero-real .hero-proof-item dd{font-size:22px}.hero.hero-real>.hero-barry{width:16%;bottom:2%}}@media(max-width:900px){.hero.hero-real{height:auto;min-height:100svh;padding-bottom:58%;background:#fff}.hero-real .hero-copy{position:relative;inset:auto;width:auto;padding:122px 24px 20px;margin:0}.hero.hero-real h1{font-size:clamp(34px,5.8vw,52px);line-height:1.13}.hero.hero-real .hero-description{font-size:20px;margin-top:22px}.hero.hero-real .hero-detail{font-size:16px;max-width:540px}.hero-real .hero-scene{top:auto;bottom:0;transform-origin:0 100%}.hero.hero-real>.hero-barry{width:23%;bottom:2%;right:3%}.hero-real .hero-proof{max-width:560px}}@media(max-width:480px){.hero-real .hero-copy{padding:114px 20px 16px}.hero.hero-real h1{font-size:34px}.hero.hero-real .hero-description{font-size:18px}.hero.hero-real .hero-detail{font-size:15px}.hero-real .hero-proof-grid{gap:12px}.hero-real .hero-proof-item dd{font-size:21px}.hero-real .hero-proof-item dt{font-size:10.5px}}@media(min-width:901px){.hero-real .hero-copy{top:18%}.hero.hero-real h1{font-size:clamp(40px,min(3.9vw,7svh),74px);line-height:1.1}.hero.hero-real .hero-audience{font-size:15px;line-height:1.5;margin-bottom:14px}.hero.hero-real .hero-description{font-size:clamp(21px,1.7vw,29px);line-height:1.4}.hero.hero-real .hero-detail{font-size:clamp(17px,1.35vw,23px);line-height:1.5}.hero.hero-real .hero-cta{font-size:18px}.hero-real .hero-proof-item dd{font-size:clamp(25px,2vw,34px)}.hero-real .hero-proof-item dt{font-size:12px}}@media(min-width:901px)and (max-height:780px){.hero-real .hero-copy{top:16%}.hero.hero-real h1{font-size:min(3.75vw,6.6svh)}.hero.hero-real .hero-audience{font-size:13px;margin-bottom:10px}.hero.hero-real .hero-description{font-size:20px;margin-top:16px}.hero.hero-real .hero-detail{font-size:17px;margin-top:10px}}@media(max-width:900px){.hero.hero-real h1{font-size:clamp(38px,6.5vw,58px)}.hero.hero-real .hero-description{font-size:22px}.hero.hero-real .hero-detail,.hero.hero-real .hero-cta{font-size:18px}}@media(max-width:480px){.hero.hero-real h1{font-size:38px}.hero.hero-real .hero-description{font-size:20px}.hero.hero-real .hero-detail{font-size:17px}.hero-real .hero-proof-item dd{font-size:23px}.hero-real .hero-proof-item dt{font-size:11px}}.mobile-nav-course,.mobile-learning-tabs,.mobile-teachers,.mobile-teachers-label,.mobile-footer,.mobile-report-note,.mobile-blog-rail,.mobile-blog-pause,.phone-demo-still,.mobile-illustration-note,.mobile-hero-media,.mobile-contact,.mobile-demo-controls,.mobile-image-tools,.mobile-report-open{display:none}.mobile-footer-group>summary{display:none}.mobile-faq-more,.mobile-faq-actions,.mobile-course-select,.mobile-teacher-details{display:none}.feedback-image-viewport{min-width:0}@media(max-width:760px){html{scroll-behavior:auto}.site-header{position:relative;inset:auto;min-height:0;padding:12px 16px;background:#fff;z-index:1100}.site-header .header-inner{grid-template-columns:1fr auto;gap:16px;min-height:52px;padding:0;border:0;border-radius:0;box-shadow:none}.site-header .header-inner .brand{width:116px;height:auto}.site-header .nav-mobile-toggle{min-width:56px;min-height:44px;font-size:15px}.header-inner.nav-expanded .nav-labels{top:calc(100% + 8px);max-height:calc(100dvh - 96px);z-index:2}.header-inner .nav-end{display:flex;grid-column:auto;justify-content:flex-start;gap:24px;border-top:1px solid var(--line);padding:12px}.header-inner .nav-end>a{min-height:44px;font-size:15px}.header-inner .nav-labels>a,.nav-dropdown summary{font-size:15px}.nav-course-group a{font-size:14px;min-height:44px}.nav-course-group small{font-size:12px}.mobile-contact{display:block;text-align:left;padding:12px;border:0;background:none;color:var(--ink);font:600 15px/1.4 Inter,Arial,sans-serif;min-height:44px;cursor:pointer}.hero.hero-real{min-height:0;height:auto;padding:0 0 36px;background:#fff}.hero-real .hero-copy{position:relative;inset:auto;width:auto;padding:22px 20px 24px}.hero.hero-real .hero-audience{font-size:14px;line-height:1.5;margin-bottom:14px;max-width:36ch}.hero.hero-real h1{font-size:clamp(29px,7.8vw,40px);line-height:1.14;letter-spacing:-.03em}.hero.hero-real .hero-description{font-size:17px;line-height:1.55;font-weight:500;margin-top:18px;max-width:34ch}.hero.hero-real .hero-detail{display:none}.hero.hero-real .hero-cta{min-height:50px;font-size:16px;margin-top:20px;border-radius:10px;padding:12px 22px}.hero-real .hero-scene{display:none}.mobile-hero-media{display:block;margin:0 20px}.mobile-hero-media video{display:block;width:100%;aspect-ratio:16/9;background:#10265a;border-radius:12px;object-fit:contain}.mobile-hero-media figcaption{margin-top:8px;font-size:13px;color:var(--text-secondary)}.hero-real>.hero-proof{margin:24px 20px 0;padding:20px 0 0;max-width:none}.hero-real .hero-proof-grid{gap:18px;grid-template-columns:1fr}.hero-real .hero-proof-item{display:grid;grid-template-columns:105px 1fr;align-items:baseline;gap:12px;padding:0}.hero-real .hero-proof-item dd{font-size:23px;letter-spacing:-.03em;grid-column:1;grid-row:1}.hero-real .hero-proof-item dt{font-size:13px;line-height:1.4;margin:0;grid-column:2;grid-row:1}.hero-real .hero-proof-item svg{display:none}.learning-introduction.wrap{height:auto;min-height:0}.learning-introduction .journey-next{position:static;display:block;height:auto;min-height:0;padding:40px 20px 8px}.learning-introduction .family-eyebrow,.learning-introduction .journey-next-bottom,.journey-down{display:none}.learning-introduction .journey-next h2{font-size:30px;line-height:1.2;letter-spacing:-.03em;max-width:20ch}.learning-introduction .journey-title-line{display:inline;padding:0}.learning.wrap{width:auto;margin:0;padding:0 20px 40px;max-width:none}.learning .story-row,.learning .story-row.reverse{display:grid;grid-template-columns:1fr;gap:20px;padding:28px 0;margin:0}.learning .story-copy h3{font-size:25px;line-height:1.22;letter-spacing:-.025em}.learning .story-copy p{font-size:16px;line-height:1.6;margin-top:12px}.learning .learning-step{margin-bottom:8px}.learning .learning-step>span{display:none}.learning .learning-step strong{font-size:14px}.learning .learning-connector,.learning .continuous-canvas{display:none}.learning .learning-capture{padding:0;margin:0;background:none;border:0;box-shadow:none;transform:none;border-radius:0;overflow:visible}.learning .learning-capture:before,.learning .learning-capture:after{display:none}.learning .learning-capture-frame{padding:0;border:1px solid #cfdbed;border-radius:12px;transform:none;background:#fff;overflow:hidden}.learning .learning-demo{width:100%;height:auto;aspect-ratio:8/5;transform:none;object-fit:contain}.mobile-demo-controls{display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;padding-top:8px;font-size:14px}.mobile-demo-label{flex-basis:100%;font-size:12px;color:var(--text-secondary)}.mobile-demo-controls button,.mobile-report-open{border:0;background:none;color:#0754b5;padding:8px 0;min-height:44px;font:600 14px/1.4 Inter,Arial,sans-serif;text-decoration:underline;text-underline-offset:4px;cursor:pointer}.mobile-demo-controls button:first-of-type{background:#fff;border:1px solid #bdcfe4;border-radius:8px;padding:10px 16px;text-decoration:none}.chapter-feedback.chapter-surface,.chapter-courses.chapter-surface{padding-block:40px;min-height:0!important}.chapter-feedback .feedback>header{margin-bottom:24px}.feedback .fb-heading,.chapter-courses .courses .courses-heading h2{font-size:30px;line-height:1.2;letter-spacing:-.03em}.chapter-feedback .feedback>header p{font-size:16px;line-height:1.6;margin-top:14px}.chapter-feedback .feedback>header p br:after{content:" "}.chapter-feedback .feedback .fb-gallery{display:flex;flex-direction:column;gap:12px}.chapter-feedback .feedback .fb-panel{flex:0 0 auto;height:auto;min-height:0;margin:0;border-radius:12px;transition:none;overflow:hidden}.chapter-feedback .feedback .fb-panel+.fb-panel{margin-top:0}.feedback .fb-barry,.feedback .fb-confetti{display:none}.feedback .fb-panel-toggle{gap:6px;padding:18px 20px;min-height:84px}.feedback .fb-category{font-size:13px}.feedback .fb-panel-title{font-size:22px;line-height:1.3;max-width:calc(100% - 24px)}.feedback .fb-toggle-symbol{top:23px;right:18px}.feedback .fb-panel:not(.fb-active) .fb-cover{display:none}.feedback .fb-detail{padding:0 16px 20px;animation:none}.feedback .fb-stage-visual{padding:0;background:none}.feedback .fb-stage-copy{margin-top:16px}.feedback .fb-stage-copy p{font-size:16px;line-height:1.6}.feedback .fb-enlarge{min-height:44px;padding:10px 2px}.parent-perspective.parent-typography{padding-block:40px;min-height:0!important}.parent-typography .pt-line{font-size:32px;line-height:1.15}.parent-perspective.parent-typography .parent-copy>.pt-description{font-size:16px;margin-top:14px;max-width:none}#parent-view[data-parent-content=compact] .pv-folder-tabs button{font-size:13px;line-height:1.35;min-height:64px;padding:12px 8px}#parent-view[data-parent-content=compact] .pv-paper-meta{padding:18px 16px 0;font-size:12px}#parent-view[data-parent-content=compact] .pv-paper{padding:14px 16px 0}#parent-view[data-parent-content=compact] .pv-report-heading h3{font-size:23px}#parent-view[data-parent-content=compact] .pv-report-heading p{font-size:15px;line-height:1.5}#parent-view[data-parent-content=compact] .pv-product-figure{height:190px;overflow:hidden;border:1px solid var(--line);border-radius:8px}#parent-view[data-parent-content=compact] .pv-screenshot-link{width:100%;height:100%;min-height:0;justify-content:flex-start;overflow:hidden}#parent-view[data-parent-content=compact] .pv-product-figure img{width:560px;max-width:none;height:auto;object-fit:initial;flex-shrink:0}#parent-view[data-parent-content=compact] .pv-summary-stack{gap:0;margin:0}#parent-view[data-parent-content=compact] .pv-summary-stack .pv-product-figure{height:150px}#parent-view[data-parent-content=compact] .pv-summary-stack .pv-screenshot-link{height:100%}#parent-view[data-parent-content=compact] .pv-live-progress{padding:0;border-top:1px solid var(--line)}#parent-view[data-parent-content=compact] #pv-panel-activity .pv-product-figure{height:190px}#parent-view[data-parent-content=compact] #pv-panel-activity .pv-screenshot-link{height:100%}#parent-view[data-parent-content=compact] .pv-history-crop{width:560px;flex-shrink:0}.mobile-report-open{display:block;margin:0 0 16px;text-align:left}#parent-view[data-parent-content=compact] .pv-reading-hint{font-size:12px;line-height:1.5;margin:0 0 16px}.pv-entering{animation:none!important}.feedback-viewer{position:fixed;inset:0;width:100%;max-width:none;height:100dvh;max-height:none;margin:0;padding:18px 16px;border-radius:0;overflow:hidden;box-sizing:border-box}.feedback-viewer[open]{display:flex;flex-direction:column;gap:12px}.feedback-viewer-bar{flex:none;gap:16px;margin:0;align-items:flex-start}.feedback-viewer-bar h2{font-size:19px;line-height:1.3;margin:0;letter-spacing:-.02em}.feedback-viewer-close{flex:none;min-height:44px;padding:10px 16px}.mobile-image-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;flex:none}.mobile-image-tools button{min-width:44px;min-height:44px;padding:8px 12px;border:1px solid #bdcfe4;border-radius:8px;background:#fff;color:var(--ink);font:600 15px/1.3 Inter,Arial,sans-serif;cursor:pointer}.mobile-image-tools button:disabled{opacity:.4;cursor:default}.mobile-image-tools output{min-width:48px;text-align:center;font-size:14px}.mobile-image-tools>span{flex-basis:100%;font-size:13px;color:var(--text-secondary)}.feedback-image-viewport{flex:1;overflow:auto;overscroll-behavior:contain;background:#f3f6fa;min-height:0;border:1px solid #dfe7ef;border-radius:8px;touch-action:pan-x pan-y pinch-zoom}.feedback-viewer .feedback-image-frame{width:calc(100% * var(--image-zoom,1));max-width:none;min-height:0;background:#fff;position:relative}.feedback-viewer .feedback-image-frame>img{max-width:none}html.image-viewer-open{overflow:hidden}.courses .subject-switch{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:16px 0 0;padding-bottom:12px}.courses .subject-switch button{min-height:44px;padding:10px;font-size:15px;border:1px solid #cfdbed;border-radius:8px;text-align:center;transition:none}.courses .subject-switch button[aria-pressed=true]{background:#eaf2fc;border-color:#0953d8}.courses .subject-indicator{display:none}.chapter-courses .course-content{gap:24px;margin-top:20px}.chapter-courses .course-description{padding:0}.chapter-courses .course-description h3{font-size:25px}.chapter-courses .sample-lesson{width:100%;font-size:16px;min-height:50px}.chapter-courses .faculty-carousel{height:auto}.courses .course-teachers{display:flex;flex-direction:column;gap:8px;height:auto}.courses .course-teacher,.courses .course-teacher.is-active{flex:none;display:block;width:100%;min-height:0;height:64px;transform:none;transition:none;text-align:left;border-radius:10px}.courses .course-teacher.is-active{height:280px}.courses .course-teacher:not(.is-active) img{height:100px;max-height:none;width:auto;inset:5px 10px auto auto;transform:none;opacity:1}.courses .course-teacher:not(.is-active) .teacher-details{display:block;opacity:1;transform:none;inset:20px 75px auto 16px;transition:none}.courses .course-teacher:not(.is-active) .teacher-details strong{font-size:17px;line-height:1.4}.courses .course-teacher:not(.is-active) .teacher-details>span{display:none}.courses .teacher-spine{display:none}.courses .course-teacher.is-active .teacher-details{left:18px;bottom:18px;right:18px;transform:none;opacity:1}.courses .teacher-details strong{font-size:22px}.courses .teacher-details>span{font-size:14px;line-height:1.45}.family-journey.family-carousel{padding-block:40px}.family-carousel .family-heading h2{font-size:30px;line-height:1.25;letter-spacing:-.03em}.family-carousel .family-brand-phrase{white-space:normal}.family-carousel .family-heading-logo{width:5em;vertical-align:-.75em;max-width:70%}.family-carousel .family-editorial{margin-bottom:24px}.family-carousel .family-card{min-height:0;height:auto;padding:20px;box-shadow:none;transform:none}.family-carousel .family-card[hidden]{display:none}.family-carousel .family-person{display:flex;flex-direction:row;align-items:center;gap:14px;margin-bottom:20px;min-height:0}.family-carousel .family-portrait{flex:0 0 72px;width:72px;height:72px;margin:0;border-radius:10px}.family-carousel .family-card blockquote,.family-carousel .family-card-two blockquote{font-size:24px;line-height:1.3;text-wrap:initial}.family-carousel .family-context{font-size:15px;line-height:1.6;margin:16px 0 20px}.family-carousel .family-controls{margin-top:16px;gap:12px;justify-content:flex-end;transition:none}.family-carousel .family-status{position:static;width:auto;height:auto;clip-path:none;margin:0 auto 0 0;overflow:visible;font-size:14px}.sst-faq.section{padding-block:40px;min-height:0}.sst-faq .sst-faq-toggle{min-height:72px;font-size:17px;padding:18px 0;line-height:1.4}.sst-faq.sst-faq-enhanced .sst-faq-body{transition:none}.sst-ending{height:auto;min-height:0}.sst-ending .sst-ending-visual{position:relative;height:auto;visibility:visible;border-radius:0;overflow:visible;background:#1261df}.sst-ending .sst-ending-content{height:auto;min-height:0;padding-block:40px;gap:22px}.sst-ending-copy h2{font-size:30px;line-height:1.2;letter-spacing:-.03em}.sst-ending-copy p{font-size:16px;line-height:1.6;margin-top:16px}.sst-ending .sst-ending-cta{min-height:50px;border-radius:10px;padding:12px 22px;font-size:16px}.sst-ending .sst-blog-stage{padding-block:32px 40px;display:flex;flex-direction:column;align-items:stretch;gap:24px;border-top:1px solid #ffffff45}.sst-blog-copy{order:0}.sst-blog-copy h2{font-size:27px;line-height:1.25;letter-spacing:-.025em}.sst-blog-description{font-size:16px;line-height:1.55;margin:14px 0 10px}.sst-blog-copy .sst-blog-kicker,.sst-blog-pause{display:none}.sst-blog-cta{min-height:44px;padding:10px 0;font-size:16px;background:none;color:#fff;border-radius:0;text-decoration:underline;text-underline-offset:5px}.sst-blog-wall{order:1;display:block!important;height:auto!important;mask-image:none;-webkit-mask-image:none;overflow:visible}.sst-blog-column+.sst-blog-column,.sst-blog-set[aria-hidden],.sst-blog-set>.sst-blog-card:nth-child(n+3){display:none}.sst-blog-track{animation:none;transform:none;will-change:auto}.sst-blog-set{gap:12px;padding:0}.sst-blog-card{display:flex;align-items:center;gap:14px;padding:12px;border-radius:10px;background:#fff}.sst-blog-card img{width:94px;height:66px;object-fit:cover;border-radius:6px}.sst-blog-card>span{display:block;font-size:14px;line-height:1.45;height:auto;margin:0;overflow:visible;-webkit-line-clamp:unset}.sst-full-footer{padding:32px 20px 0}.sst-footer-directory{display:flex;flex-direction:column;gap:24px}.sst-footer-col h3{font-size:13px;line-height:1.5}.sst-footer-col li{font-size:14px;line-height:1.6}.sst-footer-col a{display:inline-flex;align-items:center;min-height:44px;max-width:100%}.sst-footer-col .footer_social{gap:12px}.sst-footer-col .footer_social a{min-width:44px;justify-content:center}.mobile-footer-group>summary{display:flex;justify-content:space-between;align-items:center;min-height:48px;gap:16px;list-style:none;cursor:pointer;font-size:15px;font-weight:600;color:var(--ink)}.mobile-footer-group>summary::-webkit-details-marker{display:none}.mobile-footer-group>summary:after{content:"+";font-size:23px;font-weight:400}.mobile-footer-group[open]>summary:after{content:"\2212"}.mobile-footer-group>div>h3:first-child{display:none}.mobile-footer-group{border-bottom:1px solid #cfdbed;padding-bottom:6px}.mobile-footer-group>div{padding-block:6px 16px}.sst-footer-bottom{margin-top:24px}#learning-title,#learning-steps,#learning-feedback,#parent-view,#courses,#faq{scroll-margin-top:20px}:is(button,a,summary):focus-visible{outline:3px solid #1261df;outline-offset:3px}}@media(max-width:760px){html{scroll-padding-top:84px}body{--phone-ink:#132c50;--phone-muted:#4d6078;--phone-blue:#0758ce;--phone-line:#dbe4ee}::selection{background:#cbdfff;color:#10265a}.site-header{position:sticky;top:0;padding:8px 20px;border-bottom:1px solid #edf1f6}.site-header .header-inner{display:grid;grid-template-columns:1fr auto auto;gap:18px;min-height:48px;max-width:600px;margin:auto}.site-header .header-inner .brand{width:100px}.site-header .nav-mobile-toggle{font-size:14px;min-width:44px;padding:8px 0}.mobile-nav-course{display:flex;align-items:center;min-height:44px;font:600 14px/1.3 Inter,sans-serif;color:var(--phone-blue)}.hero.hero-real{padding-bottom:24px}.hero-real .hero-copy{max-width:600px;margin:auto;padding:28px 24px 24px;text-align:center}.hero.hero-real .hero-audience{display:none}.hero.hero-real h1{font-family:Inter,sans-serif;font-size:clamp(34px,9.3vw,44px);font-weight:750;line-height:1.08;letter-spacing:-.035em;max-width:12ch;margin:auto;color:var(--phone-ink);text-wrap:balance}.hero.hero-real .hero-description{font-size:16px;line-height:1.55;font-weight:400;margin:16px auto 0;max-width:32ch;color:var(--phone-muted)}.hero.hero-real .hero-cta{display:flex;justify-content:center;align-items:center;width:100%;margin:22px 0 0;border-radius:12px;box-shadow:none}.mobile-hero-media{position:relative;margin:0 auto;width:calc(100% - 48px);max-width:552px;border-radius:16px;overflow:hidden;background:var(--phone-ink)}.mobile-hero-media video{border-radius:0}.mobile-watch{position:absolute;inset:auto auto 14px 14px;display:flex;align-items:center;gap:8px;min-height:44px;border:0;padding:10px 15px;border-radius:10px;background:#fff;color:var(--phone-ink);font:600 14px/1.4 Inter,sans-serif;box-shadow:0 3px 12px #0002;cursor:pointer}.mobile-watch[hidden]{display:none}.mobile-watch svg{width:18px;height:18px;fill:currentColor}.hero-real>.hero-proof{max-width:552px;margin:18px auto 0;padding:0 24px;border:0}.hero-real .hero-proof-grid{display:block}.hero-real .hero-proof-item{display:flex;align-items:baseline;justify-content:center;gap:7px;margin:0;padding:0;border:0}.hero-real .hero-proof-item dd{font-size:16px;font-weight:700;letter-spacing:0;color:var(--phone-ink);order:0}.hero-real .hero-proof-item dt{font-size:14px;color:var(--phone-muted);order:1;margin:0}.chapter-courses.chapter-surface,.chapter-feedback.chapter-surface{height:auto;padding:40px 24px;background:#fff;transform:none}.chapter-courses.chapter-surface{border-top:1px solid var(--phone-line)}.chapter-courses .courses.section.wrap,.chapter-feedback .feedback.section.wrap{width:100%;max-width:552px;margin:auto;padding:0;display:block}.chapter-courses .courses .courses-heading h2,.feedback .fb-heading,.learning-introduction .journey-next h2,.parent-perspective #parents-title,.family-carousel .family-heading h2,.sst-faq #faq-title{font:700 30px/1.16 Inter,sans-serif;letter-spacing:-.03em;text-wrap:balance;color:var(--phone-ink);max-width:18ch;margin:0}.chapter-courses .courses-heading>p{font-size:16px;line-height:1.55;color:var(--phone-muted);margin:12px 0 0}.courses .course-navigation{margin-top:24px}.courses .school-switch{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;background:#edf2f8;border:0;border-radius:12px}.courses .school-switch button{padding:10px 6px;min-height:48px;font:600 15px/1.4 Inter,sans-serif;border:0;border-radius:9px;background:none;color:var(--phone-muted)}.courses .school-switch button span{display:none}.courses .school-switch button[aria-pressed=true]{background:#fff;color:var(--phone-blue);box-shadow:0 2px 5px #1637590d}.courses .subject-switch{gap:8px;margin:16px 0 0;padding:0;overflow:visible;white-space:normal}.courses .subject-switch button{font:500 15px/1.3 Inter,sans-serif;min-height:46px;padding:11px 8px;border:1px solid var(--phone-line);border-radius:10px;background:#fff;color:var(--phone-ink)}.courses .subject-switch button[aria-pressed=true]{border-color:var(--phone-blue);background:#edf5ff;color:var(--phone-blue)}.chapter-courses .course-content{display:flex;flex-direction:column;gap:0;margin-top:24px;padding:0}.chapter-courses .course-description{margin:0}.chapter-courses .course-description h3{font:650 22px/1.3 Inter,sans-serif;letter-spacing:-.02em;margin:0}.courses .course-coverage{font-size:14px;margin:5px 0 12px;color:var(--phone-muted)}.courses .course-description h4{display:none}.courses #selected-focus{font-size:15px;line-height:1.55;padding-left:18px;margin:0 0 20px;display:block}.courses #selected-focus li{padding:0;margin:3px 0}.courses .sample-lesson-label{font-size:13px;margin:0 0 8px;color:var(--phone-muted)}.chapter-courses .sample-lesson{display:flex;justify-content:center;align-items:center;min-height:48px;padding:12px 10px;font-size:15px;border-radius:12px;box-shadow:none;background:#edf5ff;color:var(--phone-blue);border:0}.courses .faculty-carousel{display:none}.mobile-teachers-label{display:block;font-size:14px;font-weight:600;margin:24px 0 12px;color:var(--phone-ink)}.mobile-teachers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 14px}.mobile-teacher{min-width:0}.mobile-teacher-portrait{height:128px;background:#edf3fa;border-radius:12px;overflow:hidden;position:relative}.mobile-teacher img{position:absolute;max-width:none;height:var(--portrait-height,150%);width:auto;left:var(--portrait-center,50%);top:6px;transform:translate(-50%);object-fit:contain}.mobile-teacher strong{display:block;font-size:15px;line-height:1.35;font-weight:650;margin-top:9px}.mobile-teacher>span{display:block;font-size:12px;line-height:1.45;color:var(--phone-muted);margin-top:4px}.mobile-teachers[data-count="1"]{grid-template-columns:1fr}.mobile-teachers[data-count="1"] .mobile-teacher{display:grid;grid-template-columns:88px 1fr;column-gap:16px;align-content:center}.mobile-teachers[data-count="1"] .mobile-teacher-portrait{height:96px;grid-row:1/3}.mobile-teachers[data-count="1"] .mobile-teacher>strong{align-self:end}.learning-introduction.wrap{width:100%;max-width:none;background:#edf4fc;margin:0}.learning-introduction .journey-next{padding:40px 24px 24px;max-width:600px;margin:auto}.learning.wrap{width:100%;padding:0 24px;background:#edf4fc}.mobile-learning-tabs{display:grid;grid-template-columns:repeat(3,1fr);max-width:552px;margin:0 auto;padding:0;border-bottom:1px solid #cbd9e9}.mobile-learning-tabs button{font:600 15px/1.4 Inter,sans-serif;min-height:48px;border:0;border-bottom:3px solid transparent;background:none;color:var(--phone-muted);cursor:pointer}.mobile-learning-tabs button[aria-selected=true]{color:var(--phone-blue);border-bottom-color:var(--phone-blue)}.learning .story-row,.learning .story-row.reverse{display:flex;flex-direction:column;gap:20px;padding:24px 0 0;margin:0 auto;max-width:552px;border:0}.learning .story-row[hidden]{display:none}.learning .story-copy{order:1;padding:0}.learning .story-copy h3{font:650 22px/1.25 Inter,sans-serif;letter-spacing:-.02em;margin:0;max-width:24ch}.learning .story-copy h3 br{display:none}.learning .story-copy p{font-size:16px;line-height:1.55;color:var(--phone-muted);margin:10px 0 0}.learning .learning-step{display:none}.learning .learning-capture{order:0}.learning .learning-capture-frame{border:0;border-radius:16px;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center}.learning .learning-demo{width:155%;max-width:none;flex-shrink:0}.learning .learning-demo.has-played{width:100%}.mobile-demo-controls{justify-content:space-between;gap:10px;padding-top:10px;flex-wrap:nowrap}.mobile-demo-label{flex-basis:auto;font-size:12px;color:var(--phone-muted)}.mobile-demo-controls button:first-of-type{border:0;background:none;padding:10px 0;text-decoration:underline;text-underline-offset:4px}.mobile-demo-controls button[data-feedback-image]{display:none}.chapter-feedback.chapter-surface{padding-top:32px;background:#edf4fc}.chapter-feedback .feedback>header{margin-bottom:14px}.feedback .fb-heading{font-size:22px;max-width:none}.chapter-feedback .feedback>header p{display:none}.chapter-feedback .feedback .fb-gallery{gap:0;border-top:1px solid #cbd9e9}.chapter-feedback .feedback .fb-panel{padding:0;border:0;border-bottom:1px solid #cbd9e9;border-radius:0;background:none;color:var(--phone-ink);box-shadow:none}.feedback .fb-cover,.feedback .fb-category{display:none}.feedback .fb-panel-toggle{min-height:68px;padding:20px 30px 20px 0;display:block;color:var(--phone-ink)}.feedback .fb-panel-title{font:600 17px/1.4 Inter,sans-serif;color:var(--phone-ink);max-width:none;margin:0}.feedback .fb-toggle-symbol{top:22px;right:0;background:none;color:var(--phone-blue);width:24px;height:24px;font-size:22px}.feedback .fb-detail{padding:0 0 22px;flex:none}.feedback .fb-product-capture{padding:0;border:0;background:#fff;border-radius:12px;overflow:hidden}.feedback .fb-product-capture figcaption{padding:8px 12px;font-size:13px}.feedback .fb-enlarge{font-size:13px}.feedback .fb-stage-copy{margin-top:14px}.feedback .fb-stage-copy p{color:var(--phone-muted)}.parent-perspective.parent-typography{padding:40px 24px;background:#fff;height:auto}#parent-view.parent-type-scene{width:100%;max-width:552px;margin:auto;padding:0;min-height:0;display:block}.parent-perspective #parents-title{max-width:16ch}.parent-perspective.parent-typography .parent-copy>.pt-description{font-size:16px;line-height:1.55;color:var(--phone-muted);margin:14px 0 0}.parent-perspective .pp-eyebrow,.pt-targets,.pt-curtain{display:none}#parent-view[data-parent-content=compact] .pv-visual{margin-top:24px;padding:0}#parent-view[data-parent-content=compact] .pp-report-stage,#parent-view[data-parent-content=compact] .pv-folder{border:0;border-radius:0;padding:0;box-shadow:none;background:none;min-height:0}#parent-view[data-parent-content=compact] .pv-paper-meta{display:none}#parent-view[data-parent-content=compact] .pv-folder-tabs{border:0;border-bottom:1px solid var(--phone-line);border-radius:0;background:none}#parent-view[data-parent-content=compact] .pv-folder-tabs button{font:600 14px/1.4 Inter,sans-serif;min-height:48px;padding:12px 6px;background:none;color:var(--phone-muted)}#parent-view[data-parent-content=compact] .pv-folder-tabs button[aria-selected=true]{color:var(--phone-blue);background:none}#parent-view[data-parent-content=compact] .pv-paper{padding:20px 0 0;background:none;border-radius:0}#parent-view[data-parent-content=compact] .pv-report-heading h3{font:600 20px/1.3 Inter,sans-serif;margin:0}#parent-view[data-parent-content=compact] .pv-report-heading p{margin:8px 0 16px}#parent-view[data-parent-content=compact] .pv-product-figure{margin:12px 0 0;height:200px;border-radius:12px;padding:0}#parent-view[data-parent-content=compact] .pv-screenshot-link{display:block;padding:0;position:relative}#parent-view[data-parent-content=compact] .pv-live-summary{height:146px;margin-top:8px}#parent-view[data-parent-content=compact] .pv-live-summary img{width:838px;position:absolute;left:-198px;top:-30px}#parent-view[data-parent-content=compact] .pv-live-progress{display:none}.mobile-report-open{display:inline-flex;align-items:center;margin:4px 20px 0 0;padding:10px 0}.mobile-report-note{display:block;font-size:12px;color:var(--phone-muted);line-height:1.5;margin:14px 0 0}#parent-view[data-parent-content=compact] .pv-reading-hint{color:var(--phone-muted);margin:8px 0 0}.family-journey.family-carousel{padding:40px 24px;background:#edf4fc;min-height:0}.family-carousel .family-stage{width:100%;max-width:552px;padding:0;margin:auto}.family-carousel .family-editorial{display:block;margin:0 0 24px}.family-carousel .family-source{display:inline-flex;align-items:center;min-height:44px;font-size:14px;margin-top:8px}.family-carousel .family-card{display:flex;flex-direction:column;padding:0;border:0;border-radius:0;background:none}.family-carousel .family-card[hidden]{display:none}.family-carousel .family-card blockquote,.family-carousel .family-card-two blockquote{order:0;font:500 26px/1.3 Inter,sans-serif;letter-spacing:-.02em;text-wrap:balance;margin:0;color:var(--phone-ink)}.family-carousel .family-person{order:1;gap:12px;margin:24px 0 0}.family-carousel .family-portrait{flex:0 0 56px;width:56px;height:56px}.family-carousel .family-person-copy strong{font-size:15px}.family-carousel .family-person-copy>span{font-size:13px;line-height:1.4}.family-carousel .family-shared,.family-carousel .family-context,.family-carousel .family-card footer{display:none}.family-carousel .family-controls{margin-top:20px}.family-carousel .family-status{order:-1;font-size:13px}.sst-faq.section{width:100%;padding:40px 24px;max-width:600px;margin:auto}.sst-faq .sst-faq-toggle{min-height:68px;font:500 16px/1.45 Inter,sans-serif;padding:18px 0}.sst-ending .sst-ending-visual{background:#0758ce}.sst-ending .sst-ending-content{padding:40px 24px;max-width:600px;display:block;margin:auto}.sst-ending-copy h2{font:700 30px/1.16 Inter,sans-serif;letter-spacing:-.03em;max-width:16ch}.sst-ending-copy p{margin-top:14px;max-width:32ch}.sst-ending .sst-ending-cta{display:flex;justify-content:center;align-items:center;width:100%;border-radius:12px;margin-top:24px}.sst-full-footer{padding:24px 24px 0;background:#fff}.sst-footer-content{max-width:552px;margin:auto}.sst-footer-directory{display:none}.mobile-footer{display:block}.mobile-footer-links{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.mobile-footer a{display:flex;align-items:center;min-height:44px;font-size:14px;color:var(--phone-ink)}.mobile-footer-contact{border-top:1px solid var(--phone-line);margin-top:16px}.mobile-footer-contact summary{font-size:15px;font-weight:600;min-height:52px;padding:16px 0;cursor:pointer}.mobile-footer-contact>div{padding-bottom:12px}.mobile-footer-contact a{overflow-wrap:anywhere;display:block;padding:12px 0}.sst-footer-bottom{margin-top:12px;padding:20px 0;font-size:11px;line-height:1.5}.sst-footer-bottom a{display:none}#learning-title,#learning-steps,#learning-feedback,#parent-view,#courses,#faq{scroll-margin-top:84px}main :is(h1,h2,h3,p),.mobile-teacher>span,.family-person-copy{text-wrap:pretty}main :is(h1,h2,h3),.learning .story-copy>p{text-wrap:balance}.sst-ending .sst-blog-stage{padding:32px 0 40px;width:100%;max-width:none;gap:24px;overflow:hidden}.sst-blog-copy{width:calc(100% - 48px);max-width:552px;margin:auto}.sst-blog-copy h2{font:700 28px/1.2 Inter,sans-serif;letter-spacing:-.03em;text-wrap:balance;max-width:19ch}.sst-blog-copy h2 br{display:none}.sst-blog-description{font-size:16px;line-height:1.55;margin:12px 0 6px}.sst-blog-copy .sst-blog-cta{display:inline-flex;margin-right:20px}.sst-ending .sst-blog-wall{display:none!important}.mobile-blog-rail{display:block;width:100%;overflow:hidden;order:1}.mobile-blog-track{display:flex;width:max-content;animation:mobile-blog-drift 70s linear infinite;animation-play-state:paused}.mobile-blog-set{display:flex;gap:16px;padding-right:16px}.mobile-blog-rail .sst-blog-card{display:block;width:236px;padding:0;border-radius:14px;overflow:hidden}.mobile-blog-rail .sst-blog-card img{display:block;width:100%;height:133px;border-radius:0;object-fit:cover}.mobile-blog-rail .sst-blog-card>span{display:block;font:500 14px/1.45 Inter,sans-serif;padding:14px;margin:0;height:auto;min-height:110px;text-wrap:pretty}.mobile-blog-pause{display:inline-flex;align-items:center;min-height:44px;padding:10px 0;border:0;background:none;color:#fff;font:500 14px/1.4 Inter,sans-serif;text-decoration:underline;text-underline-offset:4px;cursor:pointer}.mobile-blog-pause[hidden]{display:none}.mobile-blog-running .mobile-blog-track{animation-play-state:running}.mobile-blog-rail:focus-within .mobile-blog-track,.mobile-blog-rail:active .mobile-blog-track{animation-play-state:paused}@keyframes mobile-blog-drift{0%{transform:translate(0)}to{transform:translate(-50%)}}@media(prefers-reduced-motion:reduce){.mobile-blog-track{animation:none}.mobile-blog-rail{overflow-x:auto}.mobile-blog-set[aria-hidden]{display:none}}.hero-real .hero-proof-item{flex-direction:row}.chapter-courses .course-content{align-items:stretch}.chapter-courses .course-content>.course-description,.chapter-courses .course-content>.mobile-teachers{width:100%}.chapter-courses .course-description #sample-lesson{width:100%;margin-top:0}.chapter-feedback .feedback .fb-heading{font:650 22px/1.25 Inter,sans-serif;max-width:none}.chapter-feedback .feedback .fb-panel .fb-panel-title{font:600 17px/1.4 Inter,sans-serif;letter-spacing:-.01em;text-wrap:pretty}.chapter-feedback .feedback .fb-panel-toggle{padding-left:0;padding-right:30px}.learning .mobile-demo-controls{display:flex;flex-direction:row;align-items:center;justify-content:space-between;padding:8px 0 0;gap:8px;font-size:12px}.learning .mobile-demo-controls .mobile-demo-label{max-width:60%;line-height:1.4}.learning .learning-capture-frame{aspect-ratio:auto;min-height:270px;display:block}.learning .learning-demo{display:none;width:100%}.learning .phone-demo-playing .learning-demo{display:block}.phone-demo-still{display:block;padding:22px;background:#fff;color:var(--phone-ink);min-height:270px}.phone-demo-playing .phone-demo-still{display:none}.phone-demo-still h4{font:650 17px/1.35 Inter,sans-serif;margin:0 0 16px}.phone-demo-still p{font-size:15px;line-height:1.5;margin:0 0 12px;text-wrap:pretty}.phone-lesson-person{display:flex;align-items:center;gap:14px;margin-bottom:22px}.phone-lesson-person img{width:54px;height:64px;object-fit:cover;object-position:top;background:#edf4fc;border-radius:8px}.phone-lesson-person strong{font-size:15px;line-height:1.4}.phone-lesson-person span{display:block;font-size:13px;margin-top:4px;color:var(--phone-muted)}.phone-demo-still ol{padding:0;list-style:none;margin:0;border-top:1px solid var(--phone-line)}.phone-demo-still li{font-size:15px;line-height:1.4;padding:12px 0;border-bottom:1px solid var(--phone-line)}.phone-example-answer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--phone-line);padding-top:16px;margin-top:18px;font-size:14px}.phone-example-answer strong{font-size:25px;color:var(--phone-blue)}.phone-example-answer small{font-size:14px;font-weight:500}.phone-demo-still .phone-example-working{font-size:14px;color:var(--phone-muted);margin:10px 0 0}.phone-demo-still .phone-question{background:#edf4fc;padding:16px;border-radius:12px;margin-bottom:16px}.phone-example-reply{padding:0 4px}.phone-example-reply p:last-child{font-size:20px;line-height:1.5;color:var(--phone-blue);margin:0}#courses #sample-lesson,#courses #sample-lesson:hover,#courses #sample-lesson:focus{background:#edf5ff;color:#0758ce}#courses #sample-lesson:active{background:#dcecff}@media(max-width:360px){.chapter-courses .course-description h3{font-size:20px}.phone-demo-still{padding:18px}.mobile-demo-label{font-size:11px}}.hero.hero-real h1{font-size:clamp(32px,8.6vw,40px);max-width:15ch}.chapter-courses .courses-heading>p,.courses #selected-focus{display:none}.mobile-teachers .mobile-teacher>span{display:block}.learning .story-copy p{margin:0}#parent-view[data-parent-content=compact] .pv-report-heading,#parent-view[data-parent-content=compact] .pv-reading-hint,.pv-live-progress+.mobile-report-open{display:none}#parent-view[data-parent-content=compact] .pv-paper{padding-top:8px}.sst-faq .faq-intro>p{display:none}.sst-faq .faq-help{font-size:14px;margin-top:10px}.family-carousel+.sst-faq.faq.section{padding-top:40px}.sst-faq .faq-rule{display:none}@media(max-width:360px){.chapter-courses .courses .courses-heading h2,.learning-introduction .journey-next h2,.sst-faq #faq-title{font-size:26px}}.mobile-learning-tabs,.phone-demo-still,.learning .mobile-demo-controls{display:none}.learning .story-row,.learning .story-row.reverse{display:flex;padding:0 0 28px;gap:14px}.learning .story-row+.story-row{padding-top:20px}.learning .story-copy{order:0}.learning .learning-capture{order:1}.learning .story-copy h3{display:none}.learning .learning-step{display:block;margin:0 0 8px}.learning .learning-step strong{font:650 22px/1.25 Inter,sans-serif;color:var(--phone-ink)}.learning .learning-capture-frame{min-height:0;aspect-ratio:8/5;display:block;background:#fff}.learning .learning-demo,.learning .phone-demo-playing .learning-demo{display:block;width:100%;height:100%;max-width:100%;object-fit:contain}.mobile-illustration-note{display:block;font-size:11px;line-height:1.4;color:var(--phone-muted);margin:8px 0 0}.hero.hero-real .hero-description{font-size:14px;max-width:none}.mobile-nav-course{border:0;padding:8px 0;background:none;cursor:pointer}.hero.hero-real{background:#edf4fc;padding-bottom:28px}.hero-real .hero-copy{padding-top:30px;padding-bottom:28px}.hero.hero-real h1{font-size:clamp(26px,7.3vw,34px);line-height:1.2;letter-spacing:-.03em;max-width:none}.hero.hero-real h1 .hero-emphasis{color:#0758ce}.hero.hero-real .hero-description{font-size:16px;line-height:1.5;max-width:30ch;text-wrap:balance;margin-top:18px;color:#304d69}.hero.hero-real .hero-detail{display:block;font:400 14px/1.6 Inter,sans-serif;color:#49627b;margin:12px auto 0;max-width:38ch;text-wrap:pretty}.hero.hero-real .hero-cta{margin-top:20px;background:#c24b00;color:#fff}.mobile-hero-media{background:#0758ce;overflow:visible;border-radius:16px;padding:8px 8px 0}.mobile-hero-media video{border-radius:10px}.mobile-hero-media .mobile-watch{bottom:74px;left:18px}.mobile-hero-media .mobile-hero-caption{position:relative;display:flex;align-items:center;min-height:58px;margin:0;padding:12px 84px 12px 8px;color:#fff;font:600 13px/1.5 Inter,sans-serif}.mobile-hero-barry{position:absolute;right:-8px;bottom:-6px;width:94px;height:94px;object-fit:contain;transform-origin:50% 90%}.hero-real>.hero-proof{margin-top:22px}.learning-introduction.wrap,.learning.wrap{background:#fff}.learning-introduction .journey-next{padding-top:40px;padding-bottom:20px;background:#fff}.learning-introduction .learning-intro-backdrop{display:none}.chapter-feedback .feedback .fb-panel:is(:hover,.fb-active){background:transparent}.chapter-feedback .feedback .fb-heading,.sst-ending .sst-blog-copy h2{font:700 30px/1.2 Inter,sans-serif;letter-spacing:-.02em;text-wrap:balance;max-width:none}.sst-ending .sst-blog-copy h2{max-width:16ch}.sst-ending .sst-blog-description{font:400 16px/1.6 Inter,sans-serif;letter-spacing:0;text-wrap:pretty;max-width:32ch;margin:14px 0 8px}.chapter-courses .course-description h3{line-height:1.3;text-wrap:balance}.sst-faq .sst-faq-toggle{line-height:1.5;letter-spacing:0;gap:16px}.sst-faq .sst-faq-toggle>span{min-width:0;text-wrap:balance}.family-carousel .family-card blockquote{font-size:26px;line-height:1.35;letter-spacing:-.015em;text-wrap:balance}.family-carousel .family-card blockquote.mobile-short-quote{font-size:clamp(20px,6.25vw,26px)}.feedback .fb-stage-copy p,.sst-faq .sst-faq-body p{font-size:16px;line-height:1.6;letter-spacing:0;text-wrap:pretty}@media(max-width:360px){.chapter-feedback .feedback .fb-heading,.sst-ending .sst-blog-copy h2{font-size:26px}}#faq.sst-faq{display:flex;flex-direction:column;gap:0;padding-bottom:32px}#faq .faq-intro{margin:0 0 20px}#faq .faq-answers{width:100%;margin:0;padding:0}#faq .sst-faq-toggle{min-height:56px;padding:12px 0;gap:12px;font-size:16px;line-height:1.5}#faq .sst-faq-toggle i{flex-basis:28px;width:28px;height:28px}#faq>.faq-help{align-self:flex-start;min-height:44px;align-items:center;margin:12px 0 0;padding:10px 0;font-size:14px}#faq .sst-faq-item[hidden],#faq .faq-help[hidden]{display:none}#faq .mobile-faq-more{display:inline-flex;align-self:flex-start;align-items:center;min-height:44px;padding:10px 0;margin-top:12px;border:0;background:none;color:#0758ce;font:600 14px/1.5 Inter,sans-serif;text-decoration:underline;text-underline-offset:4px;cursor:pointer}#faq .mobile-faq-more:focus-visible{outline:2px solid #0758ce;outline-offset:4px;border-radius:4px}#faq .mobile-faq-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:12px;width:100%}#faq .mobile-faq-actions :is(.mobile-faq-more,.faq-help){display:inline-flex;align-items:center;min-height:44px;margin:0;padding:10px 0;font:600 14px/1.5 Inter,sans-serif;white-space:nowrap}#faq .mobile-faq-actions [hidden],#courses .school-switch,#courses .subject-switch,#courses #selected-course,#courses .sample-lesson-label{display:none}#courses .mobile-course-select{display:block;width:100%;min-height:52px;margin:24px 0 0;padding:12px 40px 12px 14px;border:1px solid #bfd1e8;border-radius:10px;background-color:#fff;color:#132c50;font:600 16px/1.5 Inter,sans-serif;cursor:pointer}#courses .course-content{margin-top:10px}#courses .course-coverage{margin:0 0 16px;font-size:14px}#courses .sample-lesson{white-space:normal;text-wrap:balance;line-height:1.4}#courses .mobile-teachers-label{display:block;width:100%;margin:24px 0 12px;font-size:16px;font-weight:600}#courses .mobile-teachers{width:100%;gap:20px 16px}#courses .mobile-teacher-portrait{height:clamp(144px,42vw,190px);background:var(--blue);border-radius:12px}#courses .mobile-teacher strong{font-size:16px;line-height:1.4;margin-top:10px}#courses .mobile-teachers[data-count="1"] .mobile-teacher{display:block;text-align:center}#courses .mobile-teachers[data-count="1"] .mobile-teacher-portrait{width:calc((100% - 16px)/2);max-width:100%;height:clamp(144px,42vw,190px);margin-inline:auto}#courses .mobile-teachers[data-count="1"] .mobile-teacher>strong{margin-top:10px}#courses .mobile-teachers[data-count="1"] .mobile-teacher>span{max-width:28ch;margin-inline:auto}#courses .mobile-teacher>span{font-size:13px;line-height:1.5;color:#344f76;margin-top:5px;text-wrap:pretty}#parent-view[data-parent-content=compact] .pv-product-figure{display:block;height:auto;max-height:none;overflow:visible;touch-action:auto;padding:0;margin:12px 0 0;border:1px solid #dbe4ee;border-radius:8px}#parent-view[data-parent-content=compact] .mobile-report-content,#parent-view[data-parent-content=compact] .pv-live-summary .mobile-report-content{width:100%;max-width:100%;display:block;background:#fff;padding:0}#parent-view[data-parent-content=compact] .mobile-report-content img{display:block;position:static;inset:auto;width:100%;max-width:none;height:auto;transform:none;object-fit:contain;margin:0}#parent-view[data-parent-content=compact] .mobile-report-content .pv-history-crop{display:block;width:100%;aspect-ratio:auto;overflow:visible}#parent-view[data-parent-content=compact] .mobile-report-content .pv-history-crop img{margin:0}#parent-view[data-parent-content=compact] #pv-panel-activity .pv-product-figure,#parent-view[data-parent-content=compact] .pv-summary-stack .pv-product-figure{height:auto}#parent-view[data-parent-content=compact] .pv-summary-stack{gap:12px;margin:0}#parent-view[data-parent-content=compact] .pv-reading-hint{display:none}#parent-view[data-parent-content=compact] .pv-product-figure:focus-visible{outline:2px solid #0758ce;outline-offset:3px}#family-stories{display:none}.family-carousel+#faq.sst-faq{padding-top:32px}.chapter-courses.chapter-surface{background:#edf4fc}.hero-real .hero-proof-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0}.hero-real .hero-proof-item{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:6px;min-width:0}.hero-real .hero-proof-item dd{font-size:clamp(20px,5.5vw,26px);line-height:1.2;white-space:nowrap}.hero-real .hero-proof-item dt{font-size:12px;line-height:1.45;text-wrap:pretty}.hero-real .hero-proof-item dd .metric-unit,.hero-real .hero-proof-item dd .metric-plus{font-size:.65em}@media(prefers-reduced-motion:no-preference){.mobile-hero-barry{animation:mobile-barry-hello 1.4s cubic-bezier(.22,1,.36,1) both}@keyframes mobile-barry-hello{0%{transform:translateY(8px) rotate(-8deg)}55%{transform:translateY(0) rotate(4deg)}to{transform:translateY(0) rotate(0)}}}}.hero-real>.hero-proof-mobile{display:none}@media(max-width:760px){.hero-real .hero-proof-desktop{display:none}.hero-real>.hero-proof-mobile{display:block}}.mobile-monica-cover{position:absolute;inset:8px 8px auto;aspect-ratio:16/9;border-radius:10px;overflow:hidden;pointer-events:none;background:radial-gradient(ellipse at 50% 20%,#fff,#edf5ff 45%,#c3dbf9)}.mobile-monica-cover[hidden]{display:none}.mobile-monica-cover img{position:absolute;display:block;height:300%;width:auto;max-width:none;top:-3%;left:50%;transform:translate(-59%)}.mobile-hero-media .mobile-watch{z-index:1}.mobile-teachers-cover{display:flex}.mobile-teachers-cover>span{position:relative;flex:1;min-width:0;overflow:hidden}.mobile-teachers-cover .cover-monica img{height:240%;top:2%;transform:translate(-59%)}.mobile-teachers-cover .cover-mingyeo img{height:220%;top:3%;transform:translate(-47%)}.mobile-teachers-cover .cover-selena img{height:180%;top:5%;transform:translate(-51%)}.mobile-hero-media .mobile-watch{left:50%;bottom:64px;transform:translate(-50%);display:flex;flex-direction:column;gap:4px;min-height:0;padding:0;border:0;border-radius:24px;background:transparent;box-shadow:none;color:#fff;white-space:nowrap}.mobile-hero-media .mobile-watch[hidden]{display:none}.mobile-hero-media .mobile-watch svg{box-sizing:border-box;width:44px;height:44px;padding:11px;border:1px solid #ffffffb3;border-radius:50%;background:#092f62d9;box-shadow:0 2px 8px #06285826;fill:#fff}.mobile-hero-media .mobile-watch span{padding:2px 8px;border-radius:10px;background:#092f62d9;color:#fff;font:600 11px/1.4 Inter,sans-serif}.mobile-hero-media .mobile-watch:hover svg{background:#0758ce}.mobile-hero-media .mobile-watch:focus-visible{outline:2px solid #fff;outline-offset:3px}@media(max-width:360px){.mobile-hero-media .mobile-watch{flex-direction:row;gap:6px}}.mobile-site-navigation,.mobile-site-contact{display:none}.brand-home{display:block;width:max-content}@media(max-width:760px){.site-header{position:sticky;top:0;z-index:1100;padding:8px 20px;background:#fff;border-bottom:1px solid #edf1f6}.catalog-page .site-header,.pricing-page .site-header,.stories-page .site-header{background:#fff;z-index:1100}.site-header .header-inner{position:relative;display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:18px;width:100%;max-width:600px;min-height:48px;margin:auto;padding:0;border:0;border-radius:0;box-shadow:none}.site-header .header-inner .brand{display:block;width:100px;height:auto}.site-header .header-inner .nav-labels,.site-header .header-inner>.nav-end{display:none}.site-header .header-inner .mobile-site-contact{display:inline-flex;align-items:center;min-height:44px;padding:8px 0;color:#0758ce;font:600 14px/1.4 Inter,sans-serif}.site-header .header-inner .nav-mobile-toggle{display:block;min-width:44px;min-height:44px;padding:8px 0;font:600 14px/1.4 Inter,sans-serif;color:#132c50}.site-header .header-inner.nav-expanded .mobile-site-navigation{display:block;position:absolute;top:calc(100% + 8px);left:0;right:0;max-height:calc(100dvh - 88px);overflow:auto;overscroll-behavior:contain;padding:12px;background:#fff;border:1px solid #dbe4ee;border-radius:12px;box-shadow:0 12px 24px #132c5014}.site-header .header-inner .mobile-site-navigation[hidden]{display:none}.mobile-site-navigation a{display:flex;align-items:center;min-height:44px;padding:10px 12px;font:500 16px/1.4 Inter,sans-serif;color:#132c50;white-space:normal;text-decoration:none}.mobile-site-navigation .mobile-site-pages a[aria-current]{background:#edf4fc;color:#0758ce;font-weight:650;border-radius:8px}.mobile-site-resources{display:grid;grid-template-columns:1fr 1fr;gap:0 8px;border-top:1px solid #dbe4ee;margin-top:8px;padding-top:8px}.mobile-site-resources a{font-size:14px;color:#304d69}.mobile-site-account{display:grid;grid-template-columns:1fr 1fr;gap:12px;border-top:1px solid #dbe4ee;margin-top:8px;padding-top:12px}.mobile-site-account a{justify-content:center;font-size:15px;font-weight:600;border-radius:8px;background:#edf4fc;color:#0758ce}.mobile-site-account a:last-child{background:#c24b00;color:#fff}.mobile-site-navigation a:focus-visible{outline:2px solid #0758ce;outline-offset:2px}}.sst-home-link:is(.sst-footer-home,.back-home){box-sizing:border-box;display:inline-flex;align-items:center;justify-content:space-between;flex-shrink:0;gap:0;min-height:44px;padding:10px 16px;border:1px solid #102a5659;border-radius:999px;background:transparent;color:#112e63;font:600 14px/1.4 Inter,Arial,sans-serif;letter-spacing:-.01em;white-space:nowrap;text-decoration:none;transition:background-color .2s,border-color .2s,transform .16s}.sst-home-link .sst-footer-home-icon{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;border-radius:50%;overflow:hidden;background:#c94b0a;color:#fff}.sst-home-link .sst-footer-home-icon svg{width:21px;height:21px;transition:transform .24s}@media(hover:hover){.sst-home-link:is(.sst-footer-home,.back-home):hover{background:#102a560a;border-color:#102a56;text-decoration:none}.sst-home-link:hover svg{transform:translate(2px,-2px)}}.sst-home-link:active{transform:scale(.97)}.sst-home-link:is(.sst-footer-home,.back-home):focus-visible{outline:3px solid #112e63;outline-offset:5px}@media(max-width:760px){.auth-navigation{flex-wrap:wrap;padding-bottom:16px}.auth-navigation .sst-home-link.back-home{margin:16px 0 0 auto}}@media(prefers-reduced-motion:reduce){.sst-home-link:is(.sst-footer-home,.back-home),.sst-home-link .sst-footer-home-icon svg{transition:none}}@media(min-width:761px){.hero-real .hero-copy{max-width:780px}.hero.hero-real .hero-detail{max-width:58ch}}@media(min-width:761px)and (max-width:1000px){.learning.wrap{padding-inline:56px}.learning .story-row,.learning .story-row.reverse{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}.learning .story-copy,.learning .reverse .story-copy,.learning .learning-capture,.learning .reverse .learning-capture{grid-column:1;grid-row:auto;width:100%;max-width:none}.learning .story-copy{order:0}.learning .learning-capture{order:1}.learning .learning-step{margin-bottom:12px}.learning .story-copy h3{font-size:clamp(28px,3.6vw,36px);max-width:28ch}.learning .story-copy p{max-width:62ch;margin-top:16px}.chapter-feedback .feedback>header,.parent-typography .parent-copy{grid-template-columns:minmax(0,1fr);gap:20px}.parent-perspective.parent-typography #parent-view[data-parent-content=compact] .pt-description{text-align:left;justify-self:start}.chapter-feedback .feedback .fb-gallery{gap:24px}.chapter-feedback .feedback .fb-panel{min-height:0}}@media(min-width:761px)and (max-width:1100px){.chapter-courses .course-content{grid-template-columns:minmax(0,1fr);gap:28px}.chapter-courses .course-description{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:40px;align-items:start;padding-top:0}.chapter-courses .course-description h3{max-width:none}.chapter-courses .course-description h4{grid-column:2;grid-row:1;margin-top:0}.chapter-courses .course-description #selected-focus{grid-column:2;grid-row:2 / span 3}.chapter-courses .course-coverage{grid-column:1}.chapter-courses .sample-lesson-label{grid-column:1;margin-top:16px}.chapter-courses .sample-lesson{grid-column:1;justify-self:start;margin-top:12px}.chapter-courses .faculty-carousel{height:clamp(360px,43vw,460px)}.courses .course-teachers[data-count="1"]{margin-inline:0;max-width:560px}.chapter-courses .courses-heading{grid-template-columns:minmax(0,1fr);gap:16px}.chapter-courses .courses-heading p{max-width:58ch}.course-navigation{display:block;padding-bottom:0}.courses .subject-switch{margin-top:16px}.subject-indicator{bottom:-1px}}@media(min-width:761px)and (max-width:900px),(min-width:901px)and (max-width:1180px)and (orientation:portrait){.hero.hero-real{height:auto;min-height:720px;padding:0;background:#fff}.hero-real .hero-copy{position:relative;inset:auto;width:43%;max-width:none;margin:0 3% 0 54%;padding:128px 0 96px}.hero.hero-real .hero-audience{font-size:13px;line-height:1.5;margin-bottom:14px}.hero.hero-real h1{font-size:clamp(32px,4.1vw,48px);line-height:1.12}.hero.hero-real .hero-description{font-size:clamp(18px,1.9vw,22px);line-height:1.4;margin-top:20px}.hero.hero-real .hero-detail{font-size:16px;line-height:1.5;margin-top:14px}.hero.hero-real .hero-cta{font-size:16px;min-height:50px;margin-top:20px;padding:14px 24px}.hero-real .hero-proof{margin-top:24px;max-width:none}.hero-real .hero-proof-grid{gap:12px}.hero-real .hero-proof-item dd{font-size:clamp(22px,2.4vw,28px)}.hero-real .hero-proof-item dt{font-size:11px}.hero-real .hero-scene{top:auto;bottom:0;transform-origin:0 100%;-webkit-mask-image:linear-gradient(to bottom,transparent,#000 18%);mask-image:linear-gradient(to bottom,transparent,#000 18%)}}@media(min-width:761px)and (max-height:500px){.hero.hero-real h1{font-size:clamp(32px,3.5vw,48px)}.hero-real .hero-copy{padding-top:104px}.hero.hero-real .hero-description{font-size:20px}.hero.hero-real .hero-detail{font-size:16px}.learning-introduction .journey-next{padding-block:64px 40px}.learning-introduction .journey-next h2{font-size:42px}}@media(min-width:901px)and (max-height:500px){.hero-real .hero-copy{top:108px;padding-top:0}}@media(min-width:540px)and (max-width:760px){.hero.hero-real h1{font-size:38px}.hero.hero-real .hero-description{max-width:40ch}.learning .learning-capture-frame{max-width:600px;margin-inline:auto}}@media(hover:none),(pointer:coarse){.family-carousel .family-controls{opacity:1}.family-carousel .family-controls button{pointer-events:auto}.courses .subject-switch button,.pv-folder-tabs button{min-height:48px}}.mobile-site-footer{display:none}@media(max-width:760px){.sst-full-footer.sst-shared-footer{padding:32px 24px 24px;background:#edf4fc;color:#132c50;border-top:1px solid #d3e0ef}.sst-full-footer.sst-shared-footer>.sst-footer-content{display:block;width:100%;max-width:480px;margin:0 auto;padding:0}.sst-full-footer.sst-shared-footer>.sst-footer-content>:not(.mobile-site-footer){display:none}.sst-shared-footer .mobile-site-footer{display:block;text-align:left;font:400 14px/1.6 Inter,sans-serif}.sst-shared-footer .mobile-site-footer a{display:flex;align-items:center;min-height:44px;padding:8px 0;color:#0758ce;text-decoration:none;text-underline-offset:3px;font-size:14px;line-height:1.5;overflow-wrap:anywhere}.sst-shared-footer .mobile-footer-brand{width:max-content;margin-bottom:24px}.sst-shared-footer .mobile-footer-brand img{display:block;width:112px;height:auto}.sst-shared-footer .mobile-footer-contacts{margin:0;padding:0;scroll-margin-top:84px}.sst-shared-footer .mobile-footer-contacts h2{font:650 18px/1.4 Inter,sans-serif;color:#132c50;letter-spacing:-.02em;margin:0 0 6px}.sst-shared-footer .mobile-footer-contacts nav,.sst-shared-footer .mobile-footer-more nav{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.sst-shared-footer .mobile-footer-contacts nav{grid-template-columns:max-content max-content;justify-content:space-between;gap:0 12px}.sst-shared-footer .mobile-footer-channels{margin-top:20px}.sst-shared-footer .mobile-footer-channels h3{margin:0 0 8px;font:700 12px/1.5 Inter,sans-serif;letter-spacing:.04em;text-transform:uppercase;color:#132c50}.sst-shared-footer .mobile-footer-social{display:flex;align-items:center;gap:6px}.sst-shared-footer .mobile-footer-social a{width:44px;height:44px;min-width:44px;justify-content:center;padding:0;border-radius:50%}.sst-shared-footer .mobile-footer-social img{display:block;width:35px;height:34px;object-fit:contain}.sst-shared-footer .mobile-footer-apps{display:grid;grid-template-columns:repeat(2,minmax(0,150px));gap:12px}.sst-shared-footer .mobile-footer-apps a{min-width:0;min-height:44px;padding:0}.sst-shared-footer .mobile-footer-apps img{display:block;width:100%;max-width:150px;height:auto}.sst-shared-footer .mobile-footer-more{border-top:1px solid #cbd9ed;border-bottom:1px solid #cbd9ed;margin-top:16px}.sst-shared-footer .mobile-footer-more summary{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:12px 0;list-style:none;cursor:pointer;font:600 14px/1.5 Inter,sans-serif;color:#132c50}.sst-shared-footer .mobile-footer-more summary::-webkit-details-marker{display:none}.sst-shared-footer .mobile-footer-more summary:after{content:"";width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin:0 4px 4px 16px}.sst-shared-footer .mobile-footer-more[open] summary:after{transform:rotate(225deg);margin-bottom:0}.sst-shared-footer .mobile-footer-more nav{padding:0 0 12px}.sst-shared-footer .mobile-footer-legal{display:flex;flex-wrap:wrap;gap:0 20px;margin-top:12px}.sst-shared-footer .mobile-footer-legal a{font-size:12px;color:#304d69}.sst-shared-footer .mobile-footer-copyright{margin:8px 0 0;font:400 12px/1.6 Inter,sans-serif;color:#49627b}.sst-shared-footer .mobile-site-footer :is(a,summary):focus-visible{outline:2px solid #0758ce;outline-offset:3px}}@media(max-width:760px){.hero-real .hero-proof-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 20px}.hero-real .hero-proof-item{align-items:center;text-align:center;gap:5px}.hero-real .hero-proof-item dd{font-size:26px;line-height:1.2}.hero-real .hero-proof-item dt{font-size:12px;line-height:1.45;max-width:18ch;text-wrap:balance}.hero-real .hero-proof-item:first-child{grid-column:1/-1;flex-direction:row;justify-content:center;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid #cbd9e9}.hero-real .hero-proof-item:first-child dd{font-size:32px;color:#0758ce;letter-spacing:-.03em}.hero-real .hero-proof-item:first-child dt{font-size:13px;text-align:left;max-width:none}.learning-introduction{background:#fff}.chapter-feedback.chapter-surface{background:#dce9ff;border:0;padding-block:44px}.chapter-feedback .feedback .fb-panel{border-color:#9ab8e6}.chapter-feedback .feedback .fb-panel-toggle{color:#123c83}.chapter-feedback .feedback .fb-toggle-symbol{top:50%;transform:translateY(-50%);font-size:0}.chapter-feedback .feedback .fb-toggle-symbol:before,.chapter-feedback .feedback .fb-toggle-symbol:after{content:"";position:absolute;left:50%;top:50%;width:12px;height:1.5px;background:currentColor;transform:translate(-50%,-50%)}.chapter-feedback .feedback .fb-toggle-symbol:after{transform:translate(-50%,-50%) rotate(90deg)}.chapter-feedback .feedback .fb-panel-toggle[aria-expanded=true] .fb-toggle-symbol:after{display:none}.parent-perspective.parent-typography{background:#fff;padding-block:44px}#parent-view[data-parent-content=compact] .pv-folder-tabs button[aria-selected=true]{background:#dce9ff;color:#123c83;border-radius:8px 8px 0 0}.chapter-courses.chapter-surface{background:#dce9ff;border:0;padding-block:44px}#courses #sample-lesson,#courses #sample-lesson:focus{background:var(--orange);color:#fff;border-radius:8px}#courses #sample-lesson:hover{background:var(--orange-hover);color:#fff}#courses .mobile-course-select{border-color:#93b3e6}#courses .mobile-course-select{display:none}#courses .courses-heading h2{max-width:none;font-size:28px;line-height:1.22;text-wrap:balance}@media(max-width:360px){#courses .courses-heading h2{font-size:24px}}#courses .courses-heading h2 span{display:block;color:var(--blue)}#courses .courses-heading>p{display:block;font-size:15px;line-height:1.6;margin:14px 0 0;max-width:none}#courses .course-navigation{display:block;margin-top:24px;padding-bottom:0;border:0}#courses .school-switch{display:grid;grid-template-columns:1fr 1fr;background:#c4d8f7}#courses .school-switch button{min-width:0;min-height:54px;padding:8px 12px;color:#344f76}#courses .school-switch button span{display:block;font-size:12px;font-weight:400;margin-top:3px}#courses .school-switch button[aria-pressed=true]{background:var(--blue);color:#fff;box-shadow:none}#courses .subject-switch{display:grid;grid-template-columns:1fr 1fr;gap:0 16px;margin:16px 0 0}#courses .subject-switch button{width:100%;min-width:0;border:0;border-bottom:1px solid #93b3e6;border-radius:0;background:transparent;padding:12px 4px;color:#344f76}#courses .subject-switch button[aria-pressed=true]{background:transparent;border-bottom:3px solid var(--blue);color:#123c83}#courses .subject-indicator{display:none}#courses .course-content{margin-top:24px}#courses #selected-course{display:block;font-size:22px;line-height:1.3;max-width:none}#courses .course-description h4{display:block;margin:20px 0 10px;font-size:14px}#courses #selected-focus{display:block;padding-left:18px;margin:0 0 20px;color:#344f76}#courses #selected-focus li{font-size:15px;line-height:1.5;margin:6px 0;padding:0;border:0}#courses .sample-lesson-label{display:block;font-size:13px;line-height:1.5;margin:0 0 8px}#courses .course-description{width:100%}#courses .mobile-teacher img[src*="teachers/monica.webp"]{left:50%;transform:translate(-58%)}#courses #sample-lesson{margin-top:0}#faq.sst-faq{background:#fff;padding-top:44px}.sst-blog-copy .sst-blog-cta{display:flex;align-items:center;justify-content:center;width:100%;min-height:50px;padding:12px 22px;margin-right:0;border-radius:12px;background:var(--orange);color:#fff;font-size:16px;text-decoration:none}.sst-blog-copy .sst-blog-cta:hover{background:var(--orange-hover);color:#fff}.sst-full-footer.sst-shared-footer{background:#edf4ff}.mobile-report-note,.mobile-illustration-note,.mobile-demo-label,.pv-screen-caption,.pv-visual-caption,.pv-paper-meta,.pv-paper-footer,.pv-reading-hint{display:none!important}}.sst-chat{--chat-blue: #1261df;--chat-ink: #112e63;--chat-muted: #526581;position:relative;z-index:1200;font:400 14px/1.5 Inter,Arial,sans-serif;color:var(--chat-ink)}.sst-chat *,.sst-chat *:before,.sst-chat *:after{box-sizing:border-box}.sst-chat svg{width:24px;height:24px;flex:0 0 auto}.sst-chat button{font:inherit;cursor:pointer}.sst-chat button,.sst-chat a{-webkit-tap-highlight-color:transparent}.sst-chat a{text-decoration:none}.sst-chat :is(button,a):focus-visible{outline:3px solid #ff823d;outline-offset:4px}.sst-chat-launcher{position:fixed;right:max(24px,env(safe-area-inset-right));bottom:max(24px,env(safe-area-inset-bottom));display:inline-flex;align-items:center;justify-content:center;gap:9px;height:54px;min-width:114px;padding:0 23px 0 18px;border:1px solid rgb(255 255 255 / 35%);border-radius:999px;background:var(--chat-blue);color:#fff;box-shadow:0 5px 18px #112e632e;font-weight:650!important;font-size:16px!important;transition:background .16s ease,transform .16s ease}.sst-chat-launcher:hover{background:#084fbe;transform:translateY(-2px)}.sst-chat-launcher:active{transform:scale(.97)}.sst-chat-launcher .sst-chat-bubble{fill:#fff;stroke:var(--chat-blue);width:27px;height:27px}.sst-chat-panel{position:fixed;inset:auto max(24px,env(safe-area-inset-right)) calc(max(24px,env(safe-area-inset-bottom)) + 68px) auto;width:378px;max-width:calc(100% - 32px);max-height:calc(100dvh - 116px);margin:0;padding:0;border:1px solid #dce6f2;border-radius:24px;background:#fff;color:var(--chat-ink);overflow:auto;overscroll-behavior:contain;box-shadow:0 20px 70px #112e632e,0 3px 12px #112e630f}.sst-chat-panel[open]{animation:sst-chat-open .22s cubic-bezier(.2,.75,.3,1) both}.sst-chat-header{display:flex;align-items:center;justify-content:space-between;padding:17px 20px 0 24px}.sst-chat-header img{display:block;width:114px;height:auto}.sst-chat-close{display:grid;place-items:center;width:40px;height:40px;padding:0;border:0;border-radius:50%;background:#f1f6fc;color:#526581}.sst-chat-close svg{width:19px;height:19px}.sst-chat-close:hover{background:#e4efff;color:var(--chat-ink)}.sst-chat-content{padding:23px 24px 20px}.sst-chat-greeting{position:relative;margin-bottom:23px}.sst-chat-greeting h2{position:relative;z-index:1;margin:0;font:750 30px/1.16 Inter,Arial,sans-serif;letter-spacing:-.9px;color:var(--chat-ink);text-wrap:initial}.sst-chat-greeting p{margin:12px 0 0;font-size:14px;line-height:1.55;color:var(--chat-muted)}.sst-chat-greeting-icon{position:absolute;top:12px;right:5px;display:grid;place-items:center;width:66px;height:66px;border-radius:22px 22px 6px;background:#eaf3ff;transform:rotate(8deg);color:var(--chat-blue)}.sst-chat-greeting-icon svg{width:36px;height:36px;transform:rotate(-8deg)}.sst-chat-welcome{margin-top:14px;margin-bottom:32px}.sst-chat-send{display:flex;align-items:center;justify-content:center;gap:14px;width:100%;min-height:46px;margin-top:10px;padding:11px 14px;border:0;border-radius:12px;color:#fff;background:var(--chat-blue);font-weight:600!important}.sst-chat-send:hover{background:#084fbe}@keyframes sst-chat-open{0%{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}@media(max-width:480px){.sst-chat-launcher{right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));height:50px;min-width:105px}.sst-chat-panel{right:max(16px,env(safe-area-inset-right));bottom:calc(max(16px,env(safe-area-inset-bottom)) + 62px);max-height:calc(100dvh - 94px);border-radius:21px}.sst-chat-content{padding:18px 20px}.sst-chat-header{padding-left:20px}.sst-chat-greeting h2{font-size:28px}.sst-chat-greeting-icon{right:0;width:58px;height:58px}}@media(prefers-reduced-motion:reduce){.sst-chat-panel[open]{animation:none}.sst-chat-launcher{transition:none}}