/* Shared phone mechanics. Composition below replaces the first reading layout. */
.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{display:none}
.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{display:none}
.mobile-faq-actions{display:none}
.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}
  .sst-chat-launcher{display:none}
  .sst-chat .sst-chat-panel{inset:80px 16px auto;width:calc(100% - 32px);max-width:none;max-height:calc(100dvh - 100px);border-radius:16px}

  .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}
  html.mobile-reading .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;left:auto;right:10px;top:5px;bottom: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{min-height:0;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:'−'}
  .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}
}

/* Phone-first hierarchy: a clear opening, three direct demos and optional detail. */
@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:translateX(-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{from{transform:translateX(0)}to{transform:translateX(-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 h3{display:none}.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}
  /* Keep the desktop message; adapt only its reading size and line breaks. */
  .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]{display:none}
  #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{height:auto}
  #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)}100%{transform:translateY(0) rotate(0)}}
  }
}