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@media(max-width:1050px){.primary-navigation{gap:12px}.primary-navigation a{font-size:.8rem}.hero-section{grid-template-columns:1fr 1fr}.flow-grid{grid-template-columns:repeat(2,1fr)}.help-card-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.site-header__inner{padding:12px 20px}.menu-toggle{display:block;margin-left:auto}.primary-navigation{position:absolute;left:18px;right:18px;top:75px;display:none;flex-direction:column;align-items:stretch;gap:0;background:rgba(255,253,248,.98);border:1px solid var(--v3-line);border-radius:20px;padding:9px;box-shadow:var(--v3-shadow)}.primary-navigation.is-open{display:flex}.primary-navigation a{padding:12px 13px;font-size:.95rem}.primary-navigation .nav-cta{text-align:center;margin-top:4px}.hero-section{grid-template-columns:1fr;padding-top:42px}.hero-visual{min-height:520px}.audience-section,.tv-section,.safety-section{grid-template-columns:1fr;gap:32px}.audience-section--teacher .audience-visual{order:2}.tv-copy{order:1}.tv-visual{order:2}.flexibility-grid{grid-template-columns:1fr}.safety-visual{max-width:560px}.download-section{grid-template-columns:1fr;padding-top:62px}.download-visual{min-height:270px}.site-footer__inner{flex-direction:column}.footer-links{gap:35px}.site-footer__bottom{flex-direction:column}}
@media(max-width:560px){.site-header__inner{padding:10px 16px}.site-brand{width:142px;height:48px}.site-brand img{width:142px;height:56px}.hero-section,.section{padding-left:18px;padding-right:18px}.hero-copy h1{font-size:clamp(2.7rem,14vw,4.4rem)}.hero-lead{font-size:1.08rem}.hero-notes{gap:9px;flex-direction:column}.hero-visual{min-height:430px}.hero-scene{inset:2% 0 0 0;border-radius:28px}.hero-mascot-wrap{left:-5%;width:72%;height:72%}.hero-app-card{width:38%;top:9%;right:2%;padding:7px;border-radius:16px}.hero-app-card img{height:170px;border-radius:10px}.hero-bubble{right:0;bottom:4%;padding:10px 12px}.hero-bubble strong{font-size:.9rem}.hero-bubble span{font-size:.68rem}.trust-strip{grid-template-columns:1fr;padding:0 18px 45px}.flow-grid,.plans-grid,.faq-grid,.safety-grid{grid-template-columns:1fr}.flexibility-list{grid-template-columns:1fr}.audience-visual{min-height:390px}.family-demo-card{width:77%;padding:13px}.family-demo-card__mascot img{width:96px;height:62px}.teacher-flow{grid-template-columns:1fr auto 1fr;gap:9px}.teacher-flow span:nth-of-type(3),.teacher-flow i:nth-of-type(3){display:none}.teacher-flow-card__foot img{width:90px}.tv-visual{min-height:340px}.tv-screen{width:84%}.tv-screen img{height:160px}.demo-panel{grid-template-columns:1fr;padding:13px}.demo-panel__intro{padding:6px}.demo-panel__intro h3{font-size:1.45rem}.demo-tabs{gap:5px}.demo-tabs button{padding:9px 12px;font-size:.82rem}.demo-profile-row{gap:6px}.demo-profile-row img{height:63px}.help-card-grid{grid-template-columns:1fr}.help-card--all{order:4}.download-visual{min-height:230px}.download-visual>img:first-child{height:275px}.download-scene{height:165px}.footer-links{gap:24px}.site-footer{padding-left:18px;padding-right:18px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* V3 responsive balance: preserve readable text columns and real 16:9 media. */
.section>*{min-width:0}.audience-copy,.audience-visual,.tv-copy,.tv-visual,.safety-copy,.safety-visual,.demo-panel__intro,.demo-board{min-width:0}.audience-section{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}.audience-section--teacher{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.audience-copy{max-width:600px}.audience-copy h2,.tv-copy h2,.safety-copy h2{max-width:620px}.numbered-list li{grid-template-columns:36px minmax(0,1fr)}.numbered-list__content{min-width:0}.numbered-list li>span{min-width:0;max-width:52ch}.teacher-flow-card{width:100%;min-height:0}.teacher-flow{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr)}.tv-section{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center}.tv-copy{max-width:590px}.tv-visual{width:100%;max-width:720px;min-height:0;aspect-ratio:16/9;margin-left:auto}.tv-banner{inset:0;width:100%;height:100%;object-fit:cover;border-radius:28px}.tv-screen{left:4%;right:4%;top:5%;bottom:auto;width:auto;height:auto;aspect-ratio:16/9;padding:10px;transform:none;display:flex;flex-direction:column}.tv-screen img{width:100%;height:auto;min-height:0;flex:1;aspect-ratio:16/9;object-fit:contain;object-position:center;border-radius:14px}.tv-screen figcaption{padding:6px 2px 0;font-size:.7rem}.demo-panel{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr)}.demo-panel__intro{max-width:520px}.help-card,.feature-list>div,.teacher-row,.child-task{min-width:0}.help-card span,.feature-list span,.teacher-row>div,.child-task span{min-width:0}
@media(max-width:1050px){.site-header__inner{gap:18px}.primary-navigation{gap:10px}.primary-navigation a{font-size:.78rem}.hero-section{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.audience-section,.audience-section--teacher,.tv-section{gap:38px}.audience-copy h2,.tv-copy h2,.safety-copy h2{font-size:clamp(2.15rem,4.2vw,3.4rem)}.tv-screen{left:4%;right:4%;top:5%;bottom:auto}}
@media(max-width:820px){.hero-section,.audience-section,.audience-section--teacher,.tv-section,.safety-section{grid-template-columns:minmax(0,1fr)}.audience-copy{max-width:none}.audience-section--teacher .audience-visual{order:2}.audience-section--teacher .audience-copy{order:1}.tv-copy{max-width:none}.tv-visual{order:2;max-width:760px;width:100%;margin:0 auto}.tv-screen{inset:5% 4% 5%}.demo-panel{grid-template-columns:minmax(0,1fr)}}
@media(max-width:560px){.numbered-list li{grid-template-columns:32px minmax(0,1fr);column-gap:10px}.numbered-list li:before{width:28px;height:28px}.numbered-list b{font-size:.94rem}.numbered-list li>span{font-size:.84rem}.teacher-flow-card{padding:18px}.teacher-flow{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:7px}.teacher-flow span:nth-of-type(3),.teacher-flow i:nth-of-type(3){display:none}.tv-visual{aspect-ratio:16/9;min-height:0}.tv-screen{left:3%;right:3%;top:5%;bottom:auto;padding:7px}.tv-screen figcaption{font-size:.62rem;padding-top:3px}.tv-banner{border-radius:20px}.audience-visual{min-height:360px}.audience-section--teacher .audience-visual{min-height:0}.safety-grid{grid-template-columns:minmax(0,1fr)}}