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@media(min-width:1600px){.hero h1{font-size:82px}.hero-visual{aspect-ratio:1.08}.hero{padding-block:85px}}@media(max-width:1100px){.section-width,.header{width:calc(100% - 64px)}.header nav{margin-right:20px;gap:22px}.hero{gap:5%}.hero h1{font-size:60px;letter-spacing:-3px}.hero-visual{min-height:420px;aspect-ratio:.9}.hero-buttons{gap:14px}.hero-material{font-size:16px}.facts>div{padding-left:25px;gap:15px}.facts strong{font-size:24px}.purchase-section{gap:8%}.price-card{padding:29px}.classroom-layout{grid-template-columns:235px minmax(0,1fr);gap:25px}.lesson-description{display:block}.complete-button{margin-top:17px;max-width:none}.footer{gap:25px}}
@media(max-width:800px){.section-width,.header{width:calc(100% - 40px)}.header{height:80px;gap:20px}.header nav{display:none}.header-actions{gap:19px}.hero{padding-block:40px;grid-template-columns:1fr;gap:35px}.hero h1{font-size:clamp(51px,10.5vw,75px);letter-spacing:-3px;line-height:1.02}.hero-material{font-size:19px}.hero-description{max-width:470px;font-size:13px}.hero .eyebrow{margin-bottom:24px}.hero-visual{aspect-ratio:1.6;min-height:0}.hero-visual>img{object-position:center 48%;transform:none}.hero-copy{max-width:600px}.facts{padding-block:22px}.facts>div{display:block;padding-left:19px}.facts strong{font-size:23px;display:block;margin-bottom:7px}.facts span{font-size:10px;display:block;max-width:140px}.subjects{padding-block:65px 45px}h2{font-size:36px;letter-spacing:-1.6px}.subject-grid{gap:11px}.subject-grid article{padding:21px 17px;min-height:305px}.subject-grid h3{font-size:19px}.subject-grid p{font-size:11px}.tile-drawing{width:110px;height:64px;right:20px}.sill-drawing{height:22px}.program-section{padding-block:20px 60px}.program-heading{gap:25px}.section-aside{font-size:11px;max-width:220px}.learning-section{padding-block:55px}.learning-grid{gap:7%}.learning-grid h2{font-size:35px}.learning-items h3{font-size:17px}.learning-items article{gap:17px}.learning-items p{font-size:11px}.purchase-section{padding-block:65px;gap:6%;grid-template-columns:1fr 1fr}.purchase-copy h2{font-size:39px}.price-card{padding:25px 22px}.price-value{font-size:57px}.price-card li{font-size:11px;gap:9px}.price-label{font-size:10px}.price-card .button{font-size:11px}.purchase-copy>p:not(.eyebrow){font-size:12px}.faq-section{gap:8%;grid-template-columns:.75fr 1.3fr;padding-bottom:60px}.footer{flex-wrap:wrap;gap:25px;padding-block:30px}.footer>p{max-width:200px}.classroom-heading{padding-block:30px}.classroom-heading h1{font-size:27px}.classroom-layout{grid-template-columns:1fr;gap:25px}.lesson-sidebar{order:2}.lesson-list{max-height:340px}.lesson-workspace{order:1}.lesson-heading h2{font-size:26px}.lesson-description{display:flex}.classroom-layout .complete-button{margin-top:0;max-width:190px}.classroom-heading>.underlined{font-size:11px;white-space:nowrap}.sidebar-heading{padding:17px 20px}.progress-summary{padding:15px 20px}.lesson-list button{padding:13px 17px}.hero-buttons{gap:24px}.lesson-description{gap:20px}}
@media(max-width:520px){.preview-strip{font-size:9px;gap:7px;padding:9px 13px;justify-content:flex-start;line-height:1.5}.preview-strip a{white-space:nowrap;margin-left:auto;font-size:9px}.preview-strip .status-dot{width:5px;height:5px}.section-width,.header{width:calc(100% - 36px)}.header{height:77px}.brand{font-size:18px}.brand-sub{font-size:8px;letter-spacing:3.5px}.brand-mark{grid-template-columns:repeat(2,10px);grid-template-rows:repeat(2,10px)}.header-actions{gap:14px}.language-trigger{font-size:10px;gap:5px}.language-trigger svg{width:17px}.button-small{padding:9px 12px;font-size:10px;min-height:34px}.hero{padding-top:33px;gap:29px}.hero h1{font-size:56px;letter-spacing:-3px}.hero .eyebrow{font-size:9px;letter-spacing:.9px;margin-bottom:21px}.hero-material{font-size:16px;margin-bottom:19px}.hero-description{font-size:12px;line-height:1.85;margin-bottom:24px}.hero-buttons{gap:17px}.hero-buttons .button{padding:15px 18px;min-height:51px;font-size:12px;gap:20px}.hero-buttons .text-button{font-size:11px;gap:5px}.small-note{font-size:10px}.hero-visual{aspect-ratio:1.19}.visual-label{top:15px;left:15px;font-size:8px;padding:8px}.visual-index{right:15px;top:17px;font-size:24px}.visual-bottom{left:18px;right:18px;bottom:20px}.visual-bottom strong{font-size:18px;margin-top:9px;max-width:210px}.visual-caption{font-size:10px}.visual-bottom .mono{font-size:8px}.play-circle{width:46px;height:46px}.play-circle svg{width:20px;height:20px}.facts>div{padding-left:14px}.facts strong{font-size:21px;letter-spacing:-.9px}.facts span{font-size:9px;line-height:1.6}.subjects{padding-block:55px 36px}.section-heading .eyebrow{font-size:9px;letter-spacing:.9px;margin-bottom:17px}h2{font-size:32px;letter-spacing:-1.3px}.subject-grid{grid-template-columns:1fr;gap:12px}.subject-grid article{min-height:177px;padding:22px}.subject-grid h3{font-size:25px;margin:17px 0 10px}.subject-grid p{font-size:11px;max-width:215px;padding-right:10px}.subject-grid article .mono{font-size:9px}.tile-drawing{width:98px;height:58px;right:23px;bottom:35px;opacity:.4}.sill-drawing{height:19px;bottom:54px}.subject-grid article p{max-width:70%}.program-heading{display:block;margin-bottom:28px}.section-aside{max-width:310px;font-size:12px;margin-top:22px}.program-row{gap:17px;min-height:69px;padding:15px 0}.program-row .title{font-size:13px;line-height:1.5}.program-row .label{display:none}.program-row .number{min-width:22px;font-size:10px}.program-row .preview-row{font-size:0;flex-shrink:0}.program-row .preview-row svg{width:21px;height:21px}.program-row .duration{font-size:10px}.program-row.placeholder .duration{font-size:9px}.program-toggle{width:100%;font-size:12px}.learning-grid{grid-template-columns:1fr;gap:35px}.learning-grid h2{font-size:39px}.learning-grid .eyebrow{font-size:9px}.learning-items article{gap:20px;padding:23px 0}.learning-items h3{font-size:20px}.learning-items p{font-size:12px;max-width:none}.language-status{font-size:9px}.purchase-section{grid-template-columns:1fr;gap:34px;padding-block:58px}.purchase-copy h2{font-size:43px}.purchase-copy>p:not(.eyebrow){max-width:295px}.price-card{padding:29px}.price-value{font-size:70px;margin-top:30px}.price-card li{font-size:12px}.price-card .button{font-size:13px}.price-label{font-size:11px}.price-fine{font-size:10px}.faq-section{grid-template-columns:1fr;gap:30px}.faq-section .eyebrow{margin-bottom:15px}.faq-section h2{font-size:38px}summary{font-size:13px}.faq-list p{font-size:12px}.footer{display:grid;grid-template-columns:1fr 1fr;gap:25px 15px}.footer>p{font-size:9px}.footer .text-button{justify-content:flex-start;text-align:left;font-size:9px}.classroom-heading{align-items:start;padding:29px 0 26px}.classroom-heading h1{font-size:25px;line-height:1.1;max-width:230px;letter-spacing:-.9px}.classroom-heading .eyebrow{font-size:9px;margin-bottom:12px}.classroom-heading .underlined{font-size:10px;margin-top:24px}.lesson-heading h2{font-size:23px;line-height:1.2;margin-bottom:18px}.lesson-heading .eyebrow{font-size:9px}.player-settings{display:block}.setting-button{width:100%;font-size:11px;justify-content:flex-start;padding:14px}.setting-button:first-child{border-right:0;border-bottom:1px solid var(--line)}.setting-button .chevron{margin-left:auto}.lesson-description{display:block;padding-block:20px}.classroom-layout .complete-button{margin-top:18px;max-width:none;width:100%;font-size:12px}.access-note{padding:17px;gap:12px}.access-note strong{font-size:11px}.access-note p{font-size:10px}.lesson-navigation .text-button{font-size:10px}.classroom-layout{padding-bottom:45px}.dialog-title{margin-bottom:20px}.dialog-title h2{font-size:23px}.video-dialog{padding:15px}.video-dialog .dialog-title h2{font-size:18px}.video-dialog .eyebrow{font-size:8px}.checkout-dialog,.language-dialog,.project-dialog{padding:24px;max-width:calc(100% - 24px)}.checkout-dialog>h2{font-size:38px}.checkout-total{gap:15px}.checkout-total>span{font-size:10px;line-height:1.6;max-width:160px}.checkout-total strong{font-size:22px}.language-tabs button{font-size:11px;padding:12px 14px}.language-options{max-height:280px}.language-option .language-name{font-size:12px}.readiness-list li{font-size:12px}.notice p{font-size:11px}.checkout-dialog>.button{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
.account-trigger{display:inline-flex;align-items:center;gap:7px;background:none;border:0;padding:9px 0;font-size:11px;color:var(--ink)}.account-trigger svg{width:16px;height:16px}.account-trigger:hover{color:var(--orange)}.account-dialog{width:470px}.account-body{font-size:13px;line-height:1.8;color:var(--muted);margin:0 0 24px}.account-dialog .button{width:100%}.account-dialog .eyebrow{margin-bottom:10px}.account-email{font-size:14px;margin:0 0 25px;overflow-wrap:anywhere}.account-access{background:#e5e9dd;padding:22px;border:1px solid #d4dacb}.account-access strong{font-size:17px;font-weight:500}.account-access p{font-size:12px;line-height:1.8;color:var(--muted);margin:10px 0 0}.account-orders-title{font-size:18px;margin-top:28px}.account-order{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:16px 0;border-bottom:1px solid var(--line);font-size:12px}.account-order strong{font-weight:500}.account-order small{flex-basis:100%;font-size:9px;color:var(--orange)}.cloud-synced{color:#4e6b38!important}.header nav{margin-right:30px}.header-actions{gap:20px}@media(max-width:800px){.header-actions{gap:16px}}@media(max-width:520px){.header-cabinet{display:none}.account-trigger{width:34px;height:34px;border:1px solid #a2a99c;justify-content:center}.account-trigger span{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.account-dialog{padding:24px}.header-actions{gap:15px}}
.classroom-access{display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid var(--line);background:#e9ede2;padding:15px 20px;margin-bottom:24px;font-size:12px;line-height:1.6}.classroom-access .text-button{padding:0;white-space:nowrap;font-size:11px}.player-shell{position:relative}#protected-player-root,#protected-player-state{position:absolute;inset:0;width:100%;height:100%}#protected-player-root iframe{width:100%;height:100%;border:0;display:block}#protected-player-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:25px;text-align:center;background:#22271f;color:#d4ddcb}#protected-player-state strong{font-size:22px;line-height:1.3;font-weight:400;max-width:420px}#protected-player-state p{font-size:12px;line-height:1.8;color:#a9b99a;margin:0;max-width:420px}#protected-player-state .button{border-color:#6b7c5e;color:#d4ddcb;font-size:11px;min-height:40px;padding:11px 17px}#protected-player-state .button:hover{background:#394630}@media(max-width:520px){.classroom-access{font-size:10px;padding:13px 14px;gap:16px;align-items:flex-start;margin-bottom:21px}.classroom-access .text-button{font-size:10px}#protected-player-state{padding:17px;gap:10px}#protected-player-state strong{font-size:17px}#protected-player-state p{font-size:10px}}

.hero-description{font-size:14px}.small-note,.program-note,.language-status,.progress-summary small,.access-note p,.footer>p{font-size:12px}.lesson-list small,.option-state{font-size:11px}.checkout-details{font-size:13px;margin:18px 0;line-height:1.7}.checkout-consent{display:flex;align-items:flex-start;gap:10px;margin-top:20px}.checkout-consent input{width:20px;height:20px;flex-shrink:0}.account-order .text-button{font-size:12px;padding:5px}.checkout-details .underlined{font-size:13px}@media(max-width:520px){.small-note,.program-note,.language-status,.progress-summary small,.access-note p,.footer>p{font-size:12px}.hero-description{font-size:14px}.preview-strip{font-size:11px}.lesson-list small{font-size:11px}.setting-button,.lesson-description p{font-size:13px}}

/* Classroom controls remain usable on narrow screens and with keyboard focus. */
.lesson-workspace{min-width:0}.classroom-access>span{min-width:0;overflow-wrap:anywhere}.icon-button{width:44px;height:44px}.classroom-access .text-button{min-height:44px}.player-shell.is-pending{min-height:240px}.account-dialog .small-note{overflow-wrap:anywhere}.language-tabs button{min-height:44px}
@media(max-width:520px){.account-trigger{width:44px;height:44px}.classroom-access{font-size:12px;flex-wrap:wrap;gap:6px 16px}.classroom-access .text-button{font-size:12px}.classroom-heading{flex-wrap:wrap;gap:12px}.classroom-heading .underlined{font-size:12px;margin-top:0;min-height:44px;display:inline-flex;align-items:center}.language-tabs{gap:0}.language-tabs button{flex:1;min-width:0;padding:12px 6px;overflow-wrap:anywhere}.lesson-navigation{flex-wrap:wrap}.lesson-navigation .text-button{font-size:12px;min-height:44px}#protected-player-state p{font-size:12px}#protected-player-state .button{min-height:44px}}

/* One published course topic. */
.subject-grid-single{grid-template-columns:minmax(0,1fr)}
.subject-grid-single article{min-height:240px}
@media(max-width:520px){.subject-grid-single article{min-height:177px}}