@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@500;600;700;800&display=swap";*{box-sizing:border-box}body{color:#16151c;background:#faf6ed;margin:0;font-family:DM Sans,Arial,sans-serif;line-height:1.55}button,input,textarea,select{font:inherit}button{cursor:pointer;color:inherit;background:0 0;border:0}button:disabled{cursor:wait;opacity:.55}a{color:inherit;text-decoration:none}svg{flex-shrink:0}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline-offset:4px;outline:3px solid #5925f5}label{display:block}button,a,input,select{-webkit-tap-highlight-color:transparent}.bu-landing{--bu-paper:#faf6ed;--bu-purple:#5925f5;--bu-green:#c7ee79;--bu-ink:#16151c;--bu-muted:#68646f;background:var(--bu-paper);color:var(--bu-ink);background-image:radial-gradient(#30264018 .8px,#0000 .8px),radial-gradient(#30264018 .8px,#0000 .8px);background-position:0 0,9px 9px;background-size:18px 18px;background-attachment:fixed;font-size:16px;overflow:clip}.bu-landing h1,.bu-landing h2,.bu-landing h3{letter-spacing:-.055em;font-family:Manrope,DM Sans,Arial,sans-serif;line-height:1.08}.bu-landing a{color:inherit}.bu-landing button,.bu-landing input,.bu-landing select{font-family:inherit}.bu-landing p{margin:0}.bu-landing button{touch-action:manipulation}.bu-wrap{max-width:1240px;margin-inline:auto;padding-inline:44px}.bu-skip{z-index:100;background:var(--bu-green);padding:12px;position:fixed;top:6px;left:10px;transform:translateY(-160%)}.bu-skip:focus{transform:none}.bu-header{border-bottom:1.5px solid var(--bu-ink);align-items:center;gap:35px;max-width:1370px;height:104px;margin:auto;padding:0 55px;display:flex}.bu-logo{letter-spacing:-2px;white-space:nowrap;align-items:center;font-family:Manrope,Arial,sans-serif;font-size:37px;font-weight:800;line-height:1;display:inline-flex}.bu-logo span{color:var(--bu-purple)}.bu-logo i{background:var(--bu-green);border:1.7px solid var(--bu-ink);width:32px;height:32px;box-shadow:2px 2px 0 var(--bu-ink);border-radius:4px;place-content:center;margin-left:7px;font-size:26px;font-style:normal;line-height:30px;display:grid}.bu-nav{gap:30px;margin:auto;font-size:13px;font-weight:700;display:flex}.bu-nav a:hover{color:var(--bu-purple)}.bu-btn{border:2px solid var(--bu-ink);box-shadow:4px 4px 0 var(--bu-ink);text-align:center;border-radius:5px;justify-content:center;align-items:center;gap:16px;min-height:50px;padding:15px 20px;font-size:14px;font-weight:800;line-height:1.4;transition:transform .15s,box-shadow .15s;display:inline-flex}.bu-btn:hover{box-shadow:5px 6px 0 var(--bu-ink);transform:translate(-1px,-2px)}.bu-btn:active{box-shadow:1px 1px 0 var(--bu-ink);transform:translate(3px,3px)}.bu-purple{background:var(--bu-purple);color:#fff!important}.bu-white{background:var(--bu-paper)}.bu-ink{background:var(--bu-ink);color:#fff!important}.bu-btn-small{min-height:43px;box-shadow:3px 3px 0 var(--bu-ink);padding:11px 15px;font-size:12px}.bu-menu{display:none}.bu-hero{grid-template-columns:1.02fr 1fr;align-items:center;gap:35px;padding-top:75px;padding-bottom:85px;display:grid}.bu-kicker{letter-spacing:1.8px;text-transform:uppercase;align-items:center;gap:9px;font-weight:800;display:flex;font-size:10px!important;line-height:1.5!important}.bu-kicker>span{background:var(--bu-purple);border-radius:50%;width:8px;height:8px}.bu-hero h1{letter-spacing:-.065em;margin:25px 0;font-size:clamp(56px,6.5vw,88px);line-height:1.03;position:relative}.bu-highlight{z-index:0;white-space:nowrap;position:relative}.bu-highlight:before{content:"";background:var(--bu-green);z-index:-1;position:absolute;inset:45% -5px 1px;transform:rotate(-2deg)}.bu-scribble{fill:none;width:64px;height:64px;stroke:var(--bu-purple);stroke-width:4px;stroke-linecap:round;stroke-linejoin:round;position:absolute;top:5px;right:12px;transform:rotate(10deg)}.bu-lead{letter-spacing:-.5px;font-size:23px;font-weight:700;line-height:1.4;margin-bottom:16px!important}.bu-hero-description{max-width:380px;color:var(--bu-muted);font-size:15px;line-height:1.7}.bu-hero-actions{flex-wrap:wrap;align-items:center;gap:22px;margin:27px 0 18px;display:flex}.bu-text-btn{text-align:left;align-items:center;gap:10px;padding:5px 0;font-size:12px;font-weight:700;display:inline-flex}.bu-text-btn:hover{text-underline-offset:4px;text-decoration:underline}.bu-small-note{color:var(--bu-muted);align-items:center;gap:7px;font-size:11px;display:flex}.bu-hero-art{min-width:0;padding:37px 0 25px;position:relative}.bu-browser{border:2px solid var(--bu-ink);box-shadow:8px 8px 0 var(--bu-ink);background:var(--bu-paper);border-radius:9px;overflow:hidden;transform:rotate(2deg)}.bu-browser-bar{background:var(--bu-purple);color:#fff;border-bottom:2px solid var(--bu-ink);letter-spacing:1.2px;justify-content:space-between;align-items:center;gap:13px;padding:14px 16px;font-size:8px;font-weight:800;display:flex}.bu-traffic{gap:5px;display:flex}.bu-traffic i{border:1px solid var(--bu-ink);background:var(--bu-paper);border-radius:50%;width:6px;height:6px}.bu-browser-body{padding:28px 24px 18px}.bu-mini-title{justify-content:space-between;align-items:center;gap:10px;display:flex}.bu-mini-title small{letter-spacing:1.2px;font-size:8px;font-weight:800}.bu-mini-title h2{margin:8px 0;font-size:24px}.bu-mini-badge{background:var(--bu-green);border:1px solid var(--bu-ink);white-space:nowrap;border-radius:3px;padding:5px 9px;font-size:9px;font-weight:800}.bu-art-map{background-image:radial-gradient(#30264027 .7px,#0000 .7px),radial-gradient(#30264027 .7px,#0000 .7px);background-position:0 0,7.5px 7.5px;background-size:15px 15px;height:350px;margin-top:8px;position:relative}.bu-art-map>svg{fill:none;width:100%;height:100%;stroke:var(--bu-ink);stroke-width:3.3px;stroke-linecap:round;position:absolute;inset:0}.bu-art-node{border:1.7px solid var(--bu-ink);width:78%;box-shadow:3px 3px 0 var(--bu-ink);background:var(--bu-green);z-index:1;border-radius:5px;align-items:center;gap:11px;min-height:65px;padding:12px 14px;display:flex;position:absolute}.bu-art-node>span{border:1px solid var(--bu-ink);background:#ffffff60;border-radius:5px;place-items:center;width:33px;height:33px;display:grid}.bu-art-node>div{flex:1}.bu-art-node strong{font-size:14px;display:block}.bu-art-node small{margin-top:3px;font-size:9px;display:block}.bu-art-node.foundations{top:9px;left:12%}.bu-art-node.reading{background:var(--bu-purple);color:#fff;top:112px;left:0}.bu-art-node.listening{top:215px;right:0}.bu-art-bottom{justify-content:center;gap:13px;width:100%;display:flex;position:absolute;bottom:1px}.bu-art-bottom span{background:var(--bu-paper);border:1px solid var(--bu-ink);border-radius:4px;align-items:center;gap:8px;padding:7px 12px;font-size:10px;font-weight:700;display:flex}.bu-mini-resume{border-top:1px solid #d5ccbd;align-items:center;gap:11px;margin-top:19px;padding-top:15px;display:flex}.bu-mini-resume b{font-size:11px;display:block}.bu-mini-resume small{color:var(--bu-muted);margin-top:3px;font-size:9px;display:block}.bu-orbit{width:32px;height:32px;color:var(--bu-purple);flex-shrink:0;place-items:center;font-size:26px;display:grid}.bu-sticker{background:var(--bu-green);border:2px solid var(--bu-ink);box-shadow:3px 3px 0 var(--bu-ink);z-index:2;border-radius:5px;align-items:center;gap:9px;padding:12px 14px;font-size:10px;line-height:1.5;display:flex;position:absolute;top:0;right:-21px;transform:rotate(7deg)}.bu-floating-tag{background:var(--bu-purple);color:#fff;border:1.7px solid var(--bu-ink);box-shadow:3px 3px 0 var(--bu-ink);border-radius:3px;padding:9px 16px;font-size:11px;font-weight:700;position:absolute;bottom:3px;left:35px;transform:rotate(-5deg)}.bu-strip{background:var(--bu-green);border-block:2px solid var(--bu-ink);padding:21px 0}.bu-strip>div{white-space:nowrap;letter-spacing:1.2px;justify-content:center;align-items:center;gap:38px;font-size:12px;font-weight:800;display:flex}.bu-strip i{font-size:22px;font-style:normal;line-height:1}.bu-section-heading{text-align:center;max-width:750px;margin:0 auto 48px}.bu-section-heading .bu-kicker{justify-content:center}.bu-section-heading h2{margin:16px 0 19px;font-size:42px}.bu-section-heading>p:last-child{color:var(--bu-muted);font-size:14px;line-height:1.75}.bu-purple-text{color:var(--bu-purple)}.bu-how{padding-top:95px;padding-bottom:100px;scroll-margin-top:25px}.bu-learning-grid{grid-template-columns:1fr 1fr;align-items:center;gap:70px;display:grid}.bu-steps article{border-bottom:1px solid #d5cfc3;align-items:flex-start;gap:18px;padding:20px 0;display:flex}.bu-steps article>span{border:1.5px solid var(--bu-ink);background:var(--bu-green);border-radius:4px;flex-shrink:0;place-items:center;width:35px;height:35px;font-size:12px;font-weight:800;display:grid}.bu-steps h3{margin:2px 0 10px;font-size:21px}.bu-steps article p{color:var(--bu-muted);font-size:13px;line-height:1.7}.bu-source-note{border:1.5px solid var(--bu-ink);color:var(--bu-purple);background:#eee5ff;border-radius:5px;align-items:center;gap:13px;margin-top:25px;padding:18px;display:flex}.bu-source-note p{color:var(--bu-ink);font-size:11px;line-height:1.7}.bu-tutor-demo{border:2px solid var(--bu-ink);box-shadow:6px 6px 0 var(--bu-ink);background:var(--bu-paper);border-radius:7px;min-width:0}.bu-demo-title{border-bottom:1.5px solid var(--bu-ink);background:#eee5ff;align-items:center;gap:10px;padding:15px 18px;display:flex}.bu-demo-title b{font-size:11px;display:block}.bu-demo-title small{color:var(--bu-muted);margin-top:3px;font-size:9px;display:block}.bu-live-dot{background:var(--bu-green);border:1px solid var(--bu-ink);border-radius:50%;width:8px;height:8px;margin-left:auto}.bu-demo-body{padding:23px}.bu-demo-label{letter-spacing:1.2px;color:var(--bu-muted);margin-bottom:18px;font-size:8px;font-weight:800;display:block}.bu-bubble{background:#eee5ff;border:1px solid #d4c4ef;border-radius:0 10px 10px;padding:16px;font-size:12px;line-height:1.9!important}.bu-new-bubble{animation:.25s bu-rise;margin-top:12px!important}.bu-demo-exercise{border:1.5px solid var(--bu-ink);box-shadow:2px 2px 0 var(--bu-ink);background:#fffdf8;border-radius:5px;margin-top:20px;padding:17px}.bu-demo-exercise>small{letter-spacing:1.2px;color:var(--bu-purple);font-size:8px;font-weight:800}.bu-demo-exercise h3{margin:8px 0 16px;font-size:16px;line-height:1.4}.bu-demo-exercise button{text-align:left;background:var(--bu-paper);opacity:1;cursor:pointer;border:1px solid #c5c0b8;border-radius:3px;align-items:center;gap:10px;width:100%;min-height:40px;margin-top:7px;padding:9px;font-size:11px;display:flex}.bu-demo-exercise button>span{border:1px solid #c5c0b8;border-radius:2px;place-items:center;width:23px;height:23px;font-size:10px;display:grid}.bu-demo-exercise button:not(:disabled):hover{border-color:var(--bu-purple);background:#eee5ff}.bu-demo-exercise button.correct{background:var(--bu-green);border-color:var(--bu-ink)}.bu-demo-exercise button svg{margin-left:auto}.bu-demo-feedback{align-items:center;gap:7px;font-size:10px;display:flex;margin-top:12px!important}.bu-learner-question{border:1px solid var(--bu-purple);background:var(--bu-purple);color:#fff;border-radius:9px 0 9px 9px;align-items:center;gap:8px;margin:17px 0 0 auto;padding:8px 13px;font-size:10px;display:flex}.bu-demo-composer{color:var(--bu-muted);border:1px solid #cbc5bc;border-radius:4px;justify-content:space-between;align-items:center;gap:10px;margin-top:21px;padding:10px 11px;font-size:10px;display:flex}.bu-demo-composer>span:last-child{background:var(--bu-purple);color:#fff;border-radius:2px;place-items:center;width:29px;height:26px;display:grid}.bu-demo-progress{background:#e8e0d3;border-radius:2px;height:3px;margin-top:18px}.bu-demo-progress span{background:var(--bu-purple);height:100%;transition:width .3s;display:block}.bu-roadmap-section{border-block:1.7px solid var(--bu-ink);background:#eee5ff8c;padding:85px 0;scroll-margin-top:20px}.bu-roadmap-layout{grid-template-columns:1fr 1.15fr;align-items:center;gap:85px;display:grid}.bu-roadmap-copy h2{margin:20px 0 26px;font-size:48px}.bu-roadmap-copy>p:not(.bu-kicker){max-width:360px;font-size:14px;line-height:1.8}.bu-roadmap-footnote{color:var(--bu-muted);margin:18px 0 25px!important;font-size:11px!important}.bu-skill-list{flex-direction:column;gap:12px;display:flex}.bu-skill-list>button{border:1.7px solid var(--bu-ink);box-shadow:3px 3px 0 var(--bu-ink);text-align:left;border-radius:5px;align-items:center;gap:15px;width:94%;padding:14px 17px;transition:transform .2s;display:flex}.bu-skill-list>button:nth-child(2n){margin-left:6%}.bu-skill-list>button.active{box-shadow:6px 5px 0 var(--bu-ink);transform:translate(-6px)}.bu-skill-list>button>span:nth-child(2){flex:1}.bu-skill-list strong{font-size:16px;display:block}.bu-skill-list small{opacity:.8;margin-top:3px;font-size:10px;display:block}.bu-skill-list .green{background:var(--bu-green)}.bu-skill-list .purple{background:var(--bu-purple);color:#fff}.bu-skill-icon{background:#ffffff40;border:1px solid;border-radius:5px;place-items:center;width:39px;height:39px;display:grid}.bu-skill-detail{padding:22px 6px 0}.bu-skill-detail>small{letter-spacing:1.2px;color:var(--bu-purple);font-size:8px;font-weight:800}.bu-skill-detail h3{margin:10px 0;font-size:20px}.bu-skill-detail p{color:var(--bu-muted);min-height:40px;font-size:12px;line-height:1.7}.bu-skill-detail>span{align-items:center;gap:5px;margin:12px 14px 0 0;font-size:10px;display:inline-flex}.bu-beyond{padding-top:95px;padding-bottom:95px}.bu-beyond>h2{margin:18px 0 40px;font-size:42px}.bu-feature-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:45px;display:grid}.bu-feature-row article{border-top:1.5px solid var(--bu-ink);padding-top:25px}.bu-feature-icon{border:1.5px solid var(--bu-ink);box-shadow:3px 3px 0 var(--bu-ink);border-radius:6px;place-items:center;width:56px;height:56px;margin:4px 0 25px;display:grid;transform:rotate(-4deg)}.bu-feature-icon.green{background:var(--bu-green)}.bu-feature-icon.purple{background:var(--bu-purple);color:#fff}.bu-feature-row h3{margin:0 0 12px;font-size:20px;line-height:1.3}.bu-feature-row p{color:var(--bu-muted);font-size:12px;line-height:1.8}.bu-feature-row article>span{letter-spacing:1px;background:#e4ebd9;border-radius:3px;margin-top:20px;padding:5px 7px;font-size:8px;font-weight:800;display:inline-block}.bu-feature-row article>span.bu-planned{color:#4b1dbb;background:#e9ddfc}.bu-plans-section{border-block:1.5px solid var(--bu-ink);background:#ede5ff75;padding:85px 0;scroll-margin-top:20px}.bu-plans{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;padding-top:13px;display:grid}.bu-plan{border:1.7px solid var(--bu-ink);background:var(--bu-paper);box-shadow:4px 4px 0 var(--bu-ink);border-radius:6px;flex-direction:column;padding:29px 24px 26px;display:flex;position:relative}.bu-plan.featured{background:var(--bu-green)}.bu-plan-ribbon{background:var(--bu-purple);color:#fff;text-align:center;letter-spacing:1.2px;border:1.7px solid var(--bu-ink);border-radius:5px 5px 0 0;padding:7px;font-size:8px;font-weight:800;position:absolute;inset:-22px -1.7px auto}.bu-plan .bu-kicker{letter-spacing:1.1px;font-size:8px!important}.bu-plan h3{margin:15px 0 22px;font-size:25px}.bu-plan-price{letter-spacing:-1px;max-width:200px;min-height:58px;font-size:23px;font-weight:800;line-height:1.25}.bu-plan:first-child .bu-plan-price{font-size:42px}.bu-plan-detail{color:#55505c;min-height:37px;margin-top:7px!important;font-size:10px!important}.bu-plan ul{border-top:1px solid #16151c35;flex-direction:column;gap:14px;margin:7px 0 auto;padding:23px 0 22px;font-size:11px;list-style:none;display:flex}.bu-plan li{align-items:flex-start;gap:8px;line-height:1.6;display:flex}.bu-plan li svg{margin-top:1px}.bu-plan .bu-btn{gap:8px;width:100%;min-height:46px;margin-top:12px;padding:12px 9px;font-size:11px}.bu-plans-disclaimer{text-align:center;color:var(--bu-muted);font-size:10px;margin-top:28px!important}.bu-faq{grid-template-columns:.75fr 1.25fr;gap:90px;padding-top:90px;padding-bottom:90px;display:grid}.bu-faq h2{margin:20px 0;font-size:42px}.bu-faq-star{color:var(--bu-purple);max-width:100px;font-size:100px;line-height:1.4;display:block;transform:rotate(12deg)}.bu-faq details{border-bottom:1px solid #c9c0b7}.bu-faq summary{cursor:pointer;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;font-size:13px;font-weight:700;list-style:none;display:flex}.bu-faq summary::-webkit-details-marker{display:none}.bu-faq details[open] summary svg{transform:rotate(180deg)}.bu-faq details p{color:var(--bu-muted);max-width:510px;padding-bottom:23px;font-size:12px;line-height:1.8}.bu-waitlist-section{background:var(--bu-purple);color:#fff;border-block:2px solid var(--bu-ink);padding:70px 0;scroll-margin-top:0}.bu-waitlist-layout{grid-template-columns:1.15fr 1fr;align-items:center;gap:75px;display:grid}.bu-waitlist-section h2{margin:22px 0 24px;font-size:49px}.bu-waitlist-section h2 span{color:var(--bu-green)}.bu-waitlist-section .bu-kicker{color:#e5d8ff}.bu-waitlist-layout>div:first-child>p:last-of-type{color:#e5d8ff;font-size:14px;line-height:1.8}.bu-waitlist-arrow{color:var(--bu-green);width:100px;margin-left:155px;font-size:115px;line-height:1.1;display:block;transform:rotate(-18deg)}.bu-waitlist-form{background:var(--bu-green);color:var(--bu-ink);border:2px solid var(--bu-ink);box-shadow:7px 7px 0 var(--bu-ink);border-radius:6px;min-width:0;padding:30px}.bu-waitlist-form h3{margin:0 0 24px;font-size:29px}.bu-waitlist-form label{margin:15px 0;font-size:11px;font-weight:700}.bu-waitlist-form input,.bu-waitlist-form select{background:var(--bu-paper);border:1.5px solid var(--bu-ink);border-radius:4px;width:100%;min-height:47px;margin-top:7px;padding:10px 12px;font-size:13px}.bu-waitlist-form .bu-consent{align-items:flex-start;gap:9px;margin:20px 0;font-size:10px;font-weight:500;line-height:1.7;display:flex}.bu-consent input{width:16px;height:16px;min-height:16px;accent-color:var(--bu-purple);flex-shrink:0;margin:1px 0 0;padding:0}.bu-waitlist-form .bu-btn{width:100%;box-shadow:3px 3px #738644}.bu-form-note{color:#424b30;line-height:1.8;margin-top:17px!important;font-size:9px!important}.bu-form-note a{text-underline-offset:3px;text-decoration:underline}.bu-honeypot{width:1px;height:1px;position:absolute;left:-10000px;overflow:hidden}.bu-error{color:#7b1726;font-size:12px;line-height:1.7;margin-top:17px!important}.bu-spin{animation:1s linear infinite bu-spin}.bu-success{flex-direction:column;justify-content:center;align-items:flex-start;min-height:340px;padding:20px 0;display:flex}.bu-success h3{margin:20px 0 15px}.bu-success p{font-size:14px;line-height:1.8}.bu-success small{margin-top:18px;font-size:10px}.bu-success .bu-text-btn{margin-top:22px}.bu-footer{grid-template-columns:1fr 1fr;gap:24px;padding-top:46px;padding-bottom:27px;display:grid}.bu-footer .bu-logo{font-size:30px}.bu-footer .bu-logo i{width:26px;height:26px;font-size:21px}.bu-footer p{color:var(--bu-muted);margin-top:13px;font-size:11px}.bu-footer-links{flex-wrap:wrap;justify-content:flex-end;align-items:flex-start;gap:23px;padding-top:8px;font-size:10px;font-weight:700;display:flex}.bu-footer-links a:last-child{align-items:center;gap:4px;display:flex}.bu-privacy{border-top:1px solid #d5cfc3;grid-column:1/-1;padding-top:17px}.bu-privacy summary{cursor:pointer;align-items:center;gap:8px;font-size:10px;list-style:none;display:flex}.bu-privacy p{max-width:850px;font-size:10px;line-height:1.8}.bu-footer>small{color:var(--bu-muted);grid-column:1/-1;font-size:9px}@keyframes bu-spin{to{transform:rotate(360deg)}}@keyframes bu-rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@media (width>=1450px){.bu-hero h1{font-size:91px}.bu-hero{gap:55px}}@media (width<=1050px){.bu-wrap{padding-inline:32px}.bu-header{gap:25px;padding-inline:32px}.bu-nav{gap:20px}.bu-hero{gap:25px;padding-top:55px}.bu-hero h1{font-size:70px}.bu-hero-art{padding-right:12px}.bu-browser-body{padding-inline:18px}.bu-sticker{right:0}.bu-scribble{width:46px;right:4px}.bu-mini-title h2{font-size:21px}.bu-learning-grid{gap:40px}.bu-roadmap-layout{gap:50px}.bu-waitlist-layout{gap:45px}.bu-waitlist-section h2{font-size:43px}.bu-plan{padding-inline:18px}.bu-feature-row{gap:30px}.bu-strip>div{gap:25px;font-size:10px}}@media (width<=780px){.bu-header{gap:20px;height:86px;padding-inline:24px}.bu-nav{display:none}.bu-header>.bu-btn{margin-left:auto}.bu-menu{place-items:center;width:36px;height:40px;padding:5px;display:grid}.bu-nav.open{z-index:5;background:var(--bu-paper);border-bottom:2px solid var(--bu-ink);justify-content:center;gap:25px;padding:24px;display:flex;position:absolute;top:85px;left:0;right:0}.bu-wrap{padding-inline:26px}.bu-hero{grid-template-columns:1fr;gap:30px;max-width:610px;padding-top:47px;padding-bottom:58px}.bu-hero h1{font-size:78px}.bu-hero h1 br:nth-of-type(2){display:none}.bu-scribble{width:53px;top:4px;right:10px}.bu-hero-description{max-width:410px}.bu-hero-art{width:100%;max-width:440px;margin:auto;padding:25px 12px}.bu-sticker{top:0;right:-3px}.bu-browser{transform:rotate(1.5deg)}.bu-strip>div{justify-content:flex-start;gap:25px;padding-inline:25px;font-size:10px;overflow:hidden}.bu-section-heading h2,.bu-beyond>h2{font-size:35px}.bu-how{padding-top:63px;padding-bottom:65px}.bu-learning-grid{grid-template-columns:1fr;gap:35px;max-width:510px;margin:auto}.bu-steps article{padding:18px 0}.bu-section-heading{margin-bottom:30px}.bu-roadmap-section{padding:65px 0}.bu-roadmap-layout{grid-template-columns:1fr;gap:40px;max-width:580px}.bu-roadmap-copy h2{font-size:42px}.bu-roadmap-copy>p:not(.bu-kicker){max-width:440px}.bu-skill-explorer{width:100%;max-width:460px;margin:auto}.bu-beyond{padding-top:65px;padding-bottom:65px}.bu-feature-row{gap:23px}.bu-feature-row h3{font-size:17px}.bu-feature-row p{font-size:11px}.bu-feature-icon{width:47px;height:47px}.bu-plans-section{padding:65px 0}.bu-plans{grid-template-columns:1fr;gap:37px;max-width:460px;margin:auto}.bu-plan{padding:26px}.bu-plan-price{max-width:none;min-height:0}.bu-plan-detail{min-height:0;margin-bottom:15px!important}.bu-plan ul{margin-bottom:10px;padding-bottom:12px}.bu-faq{grid-template-columns:1fr;gap:40px;padding-top:65px;padding-bottom:65px}.bu-faq h2{font-size:35px}.bu-faq h2 br,.bu-faq-star{display:none}.bu-faq summary{padding:20px 0}.bu-waitlist-layout{grid-template-columns:1fr;gap:30px;max-width:580px}.bu-waitlist-section{padding:53px 0 58px}.bu-waitlist-section h2{font-size:43px}.bu-waitlist-arrow{display:none}.bu-footer{gap:22px;padding-top:35px}.bu-footer-links{flex-direction:column;align-items:flex-end;gap:14px}.bu-beyond .bu-kicker{font-size:8px!important}}@media (width<=480px){.bu-header{gap:10px;height:78px;padding-inline:19px}.bu-logo{font-size:30px}.bu-logo i{width:26px;height:26px;margin-left:5px;font-size:21px;line-height:25px}.bu-header>.bu-btn{min-height:38px;box-shadow:2px 2px 0 var(--bu-ink);gap:6px;padding:9px 10px;font-size:10px}.bu-menu{width:30px}.bu-menu svg{width:22px}.bu-nav.open{gap:23px;font-size:11px;top:77px}.bu-wrap{padding-inline:22px}.bu-hero{gap:31px;padding-top:37px;padding-bottom:45px}.bu-kicker{letter-spacing:1.3px;font-size:9px!important}.bu-hero h1{margin:23px 0;font-size:58px;line-height:1.05}.bu-hero h1 br:nth-of-type(2){display:block}.bu-scribble{width:54px;top:7px;right:4px}.bu-lead{font-size:20px}.bu-hero-description{max-width:300px;font-size:13px}.bu-hero-actions{gap:18px;margin-top:24px}.bu-hero-actions>.bu-btn{gap:13px;padding:14px 17px;font-size:12px}.bu-small-note{font-size:9px}.bu-hero-art{padding:23px 5px 27px}.bu-sticker{gap:8px;padding:9px 11px;font-size:9px;top:-1px;right:-4px}.bu-sticker svg{width:16px}.bu-browser{box-shadow:5px 5px 0 var(--bu-ink)}.bu-browser-bar{padding:12px;font-size:7px}.bu-browser-body{padding:21px 15px 15px}.bu-mini-title h2{font-size:21px}.bu-mini-title small{font-size:7px}.bu-mini-badge{padding:5px 7px;font-size:8px}.bu-art-map{height:307px}.bu-art-node{gap:8px;width:86%;min-height:59px;padding:11px 10px}.bu-art-node strong{font-size:12px}.bu-art-node small{font-size:8px}.bu-art-node>span{width:28px;height:28px}.bu-art-node>span svg{width:17px}.bu-art-node.foundations{top:8px;left:7%}.bu-art-node.reading{top:99px}.bu-art-node.listening{top:190px}.bu-art-bottom span{padding:6px 9px;font-size:9px}.bu-floating-tag{padding:8px 11px;font-size:9px;left:20px}.bu-mini-resume{margin-top:15px}.bu-mini-resume b{font-size:10px}.bu-mini-resume small{font-size:8px}.bu-strip{padding:17px 0}.bu-strip>div{gap:21px;font-size:9px}.bu-how{padding-top:53px;padding-bottom:56px}.bu-section-heading{text-align:left}.bu-section-heading .bu-kicker{justify-content:flex-start}.bu-section-heading h2{margin:16px 0;font-size:30px;line-height:1.16}.bu-section-heading>p:last-child{font-size:12px}.bu-learning-grid{gap:30px}.bu-steps article{gap:13px}.bu-steps h3{font-size:19px}.bu-steps article p{font-size:12px}.bu-steps article>span{width:30px;height:30px;font-size:11px}.bu-source-note{gap:10px;padding:15px}.bu-source-note p{font-size:10px}.bu-demo-title{gap:7px;padding:13px 12px}.bu-demo-title b{font-size:10px}.bu-demo-title small{font-size:8px}.bu-demo-body{padding:18px 15px}.bu-bubble{padding:13px;font-size:11px}.bu-demo-exercise{padding:14px}.bu-demo-exercise h3{font-size:15px}.bu-demo-exercise button{min-height:43px;font-size:11px}.bu-tutor-demo{box-shadow:4px 4px 0 var(--bu-ink)}.bu-roadmap-section{padding:50px 0}.bu-roadmap-copy h2{font-size:36px}.bu-roadmap-copy>p:not(.bu-kicker){font-size:12px}.bu-roadmap-footnote{font-size:10px!important}.bu-roadmap-copy>.bu-btn{font-size:12px}.bu-skill-list>button{gap:12px;padding:13px 12px}.bu-skill-list strong{font-size:15px}.bu-skill-list small{font-size:9px}.bu-skill-icon{width:35px;height:35px}.bu-skill-detail h3{font-size:19px}.bu-skill-detail p{font-size:11px}.bu-beyond{padding-top:53px;padding-bottom:53px}.bu-beyond>h2{margin-bottom:27px;font-size:30px;line-height:1.16}.bu-feature-row{grid-template-columns:1fr;gap:25px}.bu-feature-row article{min-height:130px;padding:21px 0 0 71px;position:relative}.bu-feature-icon{margin:0;position:absolute;top:21px;left:2px}.bu-feature-row h3{font-size:19px}.bu-feature-row p{font-size:12px}.bu-feature-row article>span{margin-top:12px}.bu-plans-section{padding:50px 0}.bu-plan{padding:26px 23px}.bu-plan h3{margin-bottom:20px;font-size:26px}.bu-plan-price{font-size:25px}.bu-plan:first-child .bu-plan-price{font-size:40px}.bu-plan li,.bu-plan .bu-btn{font-size:12px}.bu-plans-disclaimer{max-width:260px;font-size:9px;margin-inline:auto!important}.bu-faq{gap:14px;padding-top:50px;padding-bottom:50px}.bu-faq h2{font-size:31px}.bu-faq summary{padding:19px 0;font-size:12px}.bu-faq details p{font-size:11px}.bu-waitlist-section h2{margin-top:17px;font-size:36px}.bu-waitlist-layout>div:first-child>p:last-of-type{font-size:12px}.bu-waitlist-form{box-shadow:5px 5px 0 var(--bu-ink);padding:24px 20px}.bu-waitlist-form h3{font-size:28px}.bu-form-note{font-size:9px!important}.bu-footer{padding-bottom:23px}.bu-footer p{font-size:9px}.bu-footer-links{gap:11px;font-size:9px}.bu-footer>small{font-size:8px}.bu-privacy summary,.bu-privacy p{font-size:9px}}@media (prefers-reduced-motion:reduce){.bu-landing *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media (width<=480px){.bu-waitlist-form input,.bu-waitlist-form select{font-size:16px}}.bu-journey-section{padding:90px 0 70px;scroll-margin-top:25px}.bu-journey-heading{justify-content:space-between;align-items:flex-end;gap:30px;display:flex}.bu-journey-heading h2{margin:18px 0 20px;font-size:52px}.bu-journey-heading>div>p:last-child{color:var(--bu-muted);font-size:14px;line-height:1.8}.bu-scroll-hint{letter-spacing:1.2px;border:1.5px solid var(--bu-ink);background:var(--bu-green);box-shadow:3px 3px 0 var(--bu-ink);border-radius:4px;align-items:center;gap:12px;margin-bottom:5px;padding:12px 16px;font-size:9px;font-weight:800;display:flex}.bu-scroll-hint svg{animation:1.8s ease-in-out infinite bu-walk-hint}.bu-journey{isolation:isolate;margin-top:25px;position:relative}.bu-journey ol{margin:0;padding:0;list-style:none}.bu-journey-stop{grid-template-columns:1fr 112px 1fr;align-items:center;column-gap:30px;min-height:300px;display:grid;position:relative}.bu-journey-stop:nth-child(odd){grid-template-columns:112px 1fr;padding-left:27%;padding-right:7%}.bu-journey-stop:nth-child(2n){grid-template-columns:1fr 112px;padding-left:7%;padding-right:27%}.bu-journey-node{border:2px solid var(--bu-ink);background:var(--bu-paper);width:112px;height:112px;box-shadow:6px 6px 0 var(--bu-ink);z-index:2;color:#77707e;border-radius:23px;place-items:center;transition:background .35s,color .35s,transform .35s;display:grid;position:relative}.bu-journey-stop:nth-child(2n) .bu-journey-node{grid-area:1/2}.bu-journey-stop:nth-child(2n) .bu-journey-stop-copy{text-align:right;grid-area:1/1;justify-self:end}.bu-journey-stop-copy{max-width:355px;padding-block:20px}.bu-journey-stop-copy>small{letter-spacing:1.5px;color:var(--bu-purple);font-size:8px;font-weight:800}.bu-journey-stop-copy h3{margin:12px 0 14px;font-size:30px}.bu-journey-stop-copy p{color:var(--bu-muted);font-size:13px;line-height:1.8}.bu-journey-stop-copy>span{color:var(--bu-purple);align-items:center;gap:6px;margin-top:16px;font-size:10px;font-weight:700;display:inline-flex}.bu-journey-node-check{border:1.5px solid var(--bu-ink);background:var(--bu-green);width:25px;height:25px;color:var(--bu-ink);opacity:0;border-radius:50%;place-items:center;transition:opacity .25s,transform .25s;display:grid;position:absolute;bottom:-9px;right:-9px;transform:scale(.5)}.bu-journey-stop.is-reached .bu-journey-node{background:var(--bu-green);color:var(--bu-ink)}.bu-journey-stop.is-reached .bu-journey-node-check{opacity:1;transform:scale(1)}.bu-journey-stop.is-current .bu-journey-node{background:var(--bu-purple);color:#fff;transform:translateY(-3px)}.bu-journey-stop.is-current .bu-journey-stop-copy h3{color:var(--bu-purple)}.bu-journey-svg{z-index:-1;pointer-events:none;width:100%;height:100%;position:absolute;inset:0;overflow:visible}.bu-journey-route{fill:none;stroke-linecap:round;stroke-linejoin:round}.bu-journey-outline{stroke:var(--bu-ink);stroke-width:16px}.bu-journey-track{stroke:var(--bu-purple);stroke-width:11px}.bu-journey-fill{stroke:var(--bu-green);stroke-width:11px}.bu-journey-traveller circle{fill:var(--bu-paper);stroke:var(--bu-ink);stroke-width:2px}.bu-journey-traveller path{fill:none;stroke:var(--bu-purple);stroke-width:2.5px;stroke-linecap:round;stroke-linejoin:round}.bu-journey-position{color:var(--bu-purple);font-family:Manrope,Arial,sans-serif;font-size:22px;font-weight:800;position:absolute;top:35px;right:0}.bu-journey-position small{color:#8b8294;margin-left:5px;font-size:11px}.bu-journey-end{text-align:center;padding:8px 0 15px}.bu-journey-end>span{color:var(--bu-purple);font-size:39px}.bu-journey-end h3{margin:8px 0 23px;font-size:31px}.bu-journey-end p{color:var(--bu-muted);margin-top:20px;font-size:9px}.bu-journey[data-reduced=true] .bu-journey-traveller{display:none}.bu-hero-chat{min-width:0;padding:20px 0 12px;position:relative}.bu-hero-chat-sticker{z-index:3;background:var(--bu-green);border:1.7px solid var(--bu-ink);box-shadow:3px 3px 0 var(--bu-ink);border-radius:4px;align-items:center;gap:8px;padding:10px 13px;font-size:10px;font-weight:700;display:flex;position:absolute;top:-2px;right:-10px;transform:rotate(5deg)}.bu-lesson-preview{background:var(--bu-paper);border:1.7px solid var(--bu-ink);box-shadow:7px 7px 0 var(--bu-ink);border-radius:7px;padding:23px 23px 0;overflow:hidden;transform:rotate(1deg)}.bu-lesson-preview-top{color:var(--bu-purple);letter-spacing:1px;justify-content:space-between;align-items:center;gap:10px;font-size:7px;font-weight:800;display:flex}.bu-lesson-preview>h2{margin:15px 0 20px;font-size:28px}.bu-preview-author{align-items:center;gap:7px;margin-bottom:10px;font-size:9px;display:flex}.bu-preview-author>span{border:1px solid var(--bu-ink);background:var(--bu-purple);color:#fff;width:27px;height:27px;box-shadow:2px 2px 0 var(--bu-ink);border-radius:50%;place-items:center;display:grid}.bu-preview-author small{color:var(--bu-muted);margin-left:auto;font-size:8px}.bu-preview-tutor{border:1px solid var(--bu-ink);background:#eee5ff;border-radius:3px 8px 8px;padding:13px 15px;font-size:11px;line-height:1.8}.bu-preview-teaching{border:1px solid var(--bu-ink);border-radius:4px;margin-top:10px;padding:14px 15px;font-size:11px;line-height:1.8}.bu-preview-source{color:var(--bu-purple);align-items:center;gap:3px;min-height:20px;margin-top:10px;padding:0;font-size:8px;display:flex}.bu-preview-source-detail{border-top:1px solid #d1c8bb;margin-top:9px;padding-top:10px;font-size:9px;line-height:1.8}.bu-preview-source-detail b,.bu-preview-source-detail span{display:block}.bu-preview-source-detail span{color:var(--bu-muted);font-size:8px}.bu-preview-source-detail p{margin:8px 0!important}.bu-preview-source-detail a{color:var(--bu-purple);text-decoration:underline}.bu-preview-user{background:var(--bu-green);border:1px solid var(--bu-ink);max-width:77%;box-shadow:2px 2px 0 var(--bu-ink);border-radius:8px 3px 8px 8px;width:fit-content;margin:15px 0 14px auto;padding:9px 13px;font-size:10px;line-height:1.7}.bu-preview-user small{opacity:.65;margin-bottom:3px;font-size:7px;display:block}.bu-preview-author-followup{color:var(--bu-purple);margin-bottom:7px;font-size:8px}.bu-preview-activity{border:1px solid var(--bu-ink);background:#fffdf8;border-radius:5px;margin-top:14px;padding:13px 14px}.bu-preview-activity>small{letter-spacing:1px;color:var(--bu-purple);font-size:7px;font-weight:800}.bu-preview-activity h3{margin:5px 0 12px;font-size:14px;line-height:1.5}.bu-preview-activity button{background:var(--bu-paper);text-align:left;opacity:1;border:1px solid #c9c0b7;border-radius:3px;align-items:center;gap:8px;width:100%;min-height:35px;margin-top:6px;padding:8px;font-size:10px;display:flex}.bu-preview-activity button>span{border:1px solid #c9c0b7;border-radius:2px;place-items:center;width:20px;height:20px;font-size:8px;display:grid}.bu-preview-activity button>svg{margin-left:auto}.bu-preview-activity button:not(:disabled):hover{border-color:var(--bu-purple);background:#eee5ff}.bu-preview-activity button.is-correct{background:var(--bu-green);border-color:var(--bu-ink)}.bu-preview-activity button.is-incorrect{background:#f8e3db;border-color:#9b5c48}.bu-preview-activity>p{font-size:9px;line-height:1.7;margin-top:11px!important}.bu-preview-composer{background:#fffdf8;border-top:1px solid #d4ccc0;margin:18px -23px 0;padding:12px 23px 13px}.bu-preview-quick{min-height:23px;color:var(--bu-purple);align-items:center;gap:15px;margin-bottom:6px;font-size:8px;display:flex}.bu-preview-quick button{text-underline-offset:2px;align-items:center;gap:5px;min-height:23px;padding:0;font-size:8px;text-decoration:underline;display:flex}.bu-preview-audio-note{color:var(--bu-muted);align-items:center;gap:4px;margin-left:auto;font-size:7px;display:flex}.bu-preview-input{border:1.3px solid var(--bu-ink);background:var(--bu-paper);box-shadow:2px 2px 0 var(--bu-ink);text-align:left;border-radius:4px;align-items:center;gap:10px;width:100%;min-height:41px;padding:4px;display:flex}.bu-preview-input>span:nth-child(2){flex:1;font-size:9px;line-height:1.5}.bu-preview-mic{border:1.2px solid var(--bu-purple);width:31px;height:31px;color:var(--bu-purple);border-radius:4px;place-items:center;display:grid}.bu-preview-send{background:var(--bu-purple);color:#fff;border:1px solid var(--bu-ink);border-radius:3px;place-items:center;width:27px;height:27px;display:grid}.bu-preview-progress{background:#e7e0d3;height:3px;margin-top:13px}.bu-preview-progress>span{background:var(--bu-purple);height:100%;transition:width .3s;display:block}.bu-preview-bottom{color:var(--bu-muted);letter-spacing:.2px;justify-content:space-between;align-items:center;gap:10px;margin-top:7px;font-size:7px;display:flex}.bu-preview-bottom b{color:var(--bu-ink)}@keyframes bu-walk-hint{0%,to{transform:translateY(-3px)}50%{transform:translateY(3px)}}@media (width<=1050px){.bu-journey-stop-copy{max-width:290px}.bu-journey-stop-copy h3{font-size:27px}.bu-journey-stop{column-gap:25px}.bu-journey-stop:nth-child(odd){padding-left:20%;padding-right:3%}.bu-journey-stop:nth-child(2n){padding-left:3%;padding-right:20%}.bu-lesson-preview{padding:21px 18px 0}.bu-preview-composer{margin-inline:-18px;padding-inline:18px}.bu-preview-author small{font-size:7px}}@media (width<=780px){.bu-hero-chat{width:100%;max-width:460px;margin:auto}.bu-journey-section{padding-top:65px;padding-bottom:55px}.bu-journey-heading h2{font-size:43px}.bu-journey-stop{column-gap:23px;min-height:255px}.bu-journey-node{width:86px;height:86px;box-shadow:4px 4px 0 var(--bu-ink);border-radius:18px}.bu-journey-stop:nth-child(odd){grid-template-columns:86px 1fr;padding-left:20%;padding-right:0}.bu-journey-stop:nth-child(2n){grid-template-columns:1fr 86px;padding-left:0;padding-right:20%}.bu-journey-stop-copy{max-width:290px}.bu-journey-stop-copy h3{font-size:26px}.bu-journey-stop-copy p{font-size:12px}.bu-journey-position{font-size:18px;top:5px;right:0}.bu-scroll-hint{gap:8px;padding:10px;font-size:8px}.bu-journey-heading>div>p:last-child{font-size:12px}.bu-journey-outline{stroke-width:14px}.bu-journey-track,.bu-journey-fill{stroke-width:9px}.bu-journey-end h3{font-size:28px}}@media (width<=540px){.bu-journey-heading{display:block}.bu-journey-heading h2{font-size:35px}.bu-journey-heading .bu-scroll-hint{margin-top:22px;font-size:8px;display:inline-flex}.bu-journey{margin-top:15px}.bu-journey-stop:nth-child(n){grid-template-columns:67px 1fr;gap:23px;min-height:253px;padding:0 0 0 8px;display:grid}.bu-journey-stop:nth-child(2n){grid-template-columns:67px 1fr;gap:8px;padding-left:23px}.bu-journey-stop:nth-child(n) .bu-journey-node{grid-area:1/1}.bu-journey-stop:nth-child(n) .bu-journey-stop-copy{text-align:left;grid-area:1/2;justify-self:start}.bu-journey-node{width:67px;height:67px;box-shadow:4px 4px 0 var(--bu-ink);border-radius:16px}.bu-journey-node>svg{width:25px;height:25px}.bu-journey-node-check{width:21px;height:21px;bottom:-7px;right:-7px}.bu-journey-node-check svg{width:12px}.bu-journey-stop-copy{max-width:100%;padding:22px 0}.bu-journey-stop-copy>small{letter-spacing:.8px;font-size:7px}.bu-journey-stop-copy h3{margin:11px 0 12px;font-size:24px;line-height:1.15}.bu-journey-stop-copy p{font-size:11px;line-height:1.8}.bu-journey-stop-copy>span{gap:4px;margin-top:12px;font-size:8px}.bu-journey-position{font-size:15px;top:7px;right:1px}.bu-journey-position small{font-size:9px}.bu-journey-end{padding-top:5px}.bu-journey-end h3{font-size:25px}.bu-journey-end p{max-width:250px;margin-inline:auto;font-size:8px;line-height:1.7}.bu-journey-end .bu-btn{font-size:12px}.bu-hero-chat{padding-top:20px;padding-inline:1px}.bu-hero-chat-sticker{padding:8px 10px;font-size:8px;right:1px}.bu-lesson-preview{box-shadow:4px 4px 0 var(--bu-ink);padding:19px 15px 0;transform:rotate(.6deg)}.bu-lesson-preview>h2{margin:14px 0 18px;font-size:27px}.bu-preview-composer{margin-inline:-15px;padding-inline:15px}.bu-preview-author small{font-size:6px}.bu-preview-tutor,.bu-preview-teaching{padding:12px;font-size:10px}.bu-preview-input>span:nth-child(2),.bu-preview-author{font-size:8px}.bu-preview-activity h3{font-size:13px}.bu-preview-activity button{min-height:41px}.bu-preview-audio-note,.bu-preview-bottom{font-size:6px}.bu-preview-source,.bu-preview-quick button{min-height:28px}}@media (width>=781px){.bu-header{height:80px}.bu-hero{gap:40px;height:calc(100svh - 80px);min-height:0;padding-top:24px;padding-bottom:24px}.bu-hero h1{margin:18px 0 20px;font-size:clamp(52px,min(6.2vw,10svh),86px)}.bu-hero .bu-lead{font-size:21px;margin-bottom:12px!important}.bu-hero-description{font-size:14px;line-height:1.65}.bu-hero-actions{gap:18px;margin:23px 0 15px}.bu-hero-chat{min-height:0;max-height:100%;padding-top:20px;padding-bottom:12px}.bu-lesson-preview{flex-direction:column;height:min(640px,100svh - 160px);min-height:0;padding-top:18px;display:flex}.bu-lesson-preview-top,.bu-lesson-preview>h2,.bu-preview-composer{flex-shrink:0}.bu-lesson-preview>h2{margin:13px 0 16px;font-size:26px}.bu-lesson-preview-content{overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#c4b3e7 transparent;flex:1;min-height:0;padding-right:5px;overflow-y:auto}.bu-preview-composer{margin-top:12px;padding-top:8px;padding-bottom:10px}.bu-preview-quick{min-height:20px;margin-bottom:4px}.bu-preview-quick button{min-height:20px}.bu-preview-progress{margin-top:9px}.bu-preview-bottom{margin-top:5px}.bu-preview-author{margin-bottom:7px}.bu-preview-tutor{padding:10px 12px}.bu-preview-teaching{margin-top:8px;padding:10px 12px}.bu-preview-source{margin-top:6px}.bu-preview-user{margin-top:9px;margin-bottom:10px;padding:6px 10px}.bu-preview-activity{margin-top:10px;padding:10px 12px}.bu-preview-activity h3{margin:4px 0 8px}.bu-preview-activity button{min-height:32px;margin-top:5px;padding:6px}}@media (width>=781px) and (height<=680px){.bu-header{height:70px}.bu-hero{height:calc(100svh - 70px);padding-top:18px;padding-bottom:18px}.bu-hero h1{margin:12px 0 15px;font-size:clamp(45px,8.4svh,57px)}.bu-hero .bu-kicker{font-size:8px!important}.bu-hero .bu-lead{font-size:18px;line-height:1.4;margin-bottom:10px!important}.bu-hero-description{max-width:350px;font-size:12px}.bu-hero-actions{gap:15px;margin:17px 0 12px}.bu-hero-actions .bu-btn{min-height:44px;padding:11px 15px;font-size:12px}.bu-hero .bu-small-note{font-size:9px}.bu-hero .bu-scribble{width:44px;height:44px}.bu-lesson-preview{height:calc(100svh - 138px);padding-top:14px}.bu-lesson-preview>h2{margin:10px 0 12px;font-size:23px}}@media (prefers-reduced-motion:reduce){.bu-scroll-hint svg{animation:none}.bu-journey-node,.bu-journey-node-check,.bu-preview-progress>span{transition:none}.bu-journey-stop.is-current .bu-journey-node{transform:none}}