:root{--ink:#201a18;--cream:#f7f0e8;--paper:#fffaf5;--latte:#c99f7b;--mocha:#7b5540;--rose:#e9c7c0;--sage:#b9c3ad;--line:#ded1c6;--shadow:0 18px 50px rgba(50,34,25,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.app-shell{max-width:1180px;margin:auto;min-height:100vh}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;border-bottom:1px solid rgba(70,50,40,.12);position:sticky;top:0;background:rgba(247,240,232,.92);backdrop-filter:blur(14px);z-index:20}.brand{display:flex;align-items:center;gap:11px;color:inherit;text-decoration:none;font-size:12px;letter-spacing:.16em}.brand b{font-weight:800}.brand-mark{width:29px;height:22px;position:relative;display:inline-block}.brand-mark span{position:absolute;width:22px;height:8px;border:2px solid var(--ink);border-radius:8px;transform:rotate(18deg);top:3px;left:1px}.brand-mark span:last-child{transform:rotate(-18deg);top:11px;left:6px}.icon-btn{border:1px solid var(--line);background:var(--paper);width:40px;height:40px;border-radius:50%;font-size:20px;color:var(--ink)}.hero{margin:24px 28px 0;background:var(--ink);color:white;border-radius:32px;min-height:560px;padding:58px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;width:430px;height:430px;border-radius:50%;background:radial-gradient(circle,rgba(233,199,192,.28),rgba(233,199,192,0) 68%);right:-80px;top:-100px}.eyebrow,.lesson-kicker{font-size:11px;letter-spacing:.18em;font-weight:800}.pulse{width:8px;height:8px;border-radius:50%;display:inline-block;background:var(--rose);margin-right:8px}.hero h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(44px,6vw,76px);line-height:.94;letter-spacing:-.045em;margin:26px 0 20px;max-width:680px;font-weight:500}.hero h1 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15px;background:linear-gradient(#5b4035,#201a18);bottom:0}.preview-copy{position:absolute;z-index:2;left:14px;top:18px;font-size:17px;font-weight:900;line-height:.95}.preview-copy span{font-family:Georgia,serif;font-style:italic;font-weight:400}.play{z-index:3;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.82);color:#201a18;display:grid;place-items:center;padding-left:3px}.timeline{height:175px;background:#171414;padding:15px 10px;position:relative}.ticks{height:12px;background:repeating-linear-gradient(90deg,#655 0 1px,transparent 1px 12px);opacity:.5}.track{display:flex;gap:3px;margin-top:12px}.track i{height:54px;flex:1;border-radius:3px;background:linear-gradient(135deg,#7d5e50,#d4ad91)}.audio-track{height:20px;border-radius:4px;background:repeating-linear-gradient(90deg,#aeb99f 0 2px,#7d8d72 2px 4px);margin-top:9px}.playhead{position:absolute;left:47%;top:5px;width:2px;height:145px;background:white}.float-card{position:absolute;background:var(--paper);color:var(--ink);padding:12px 15px;border-radius:15px;box-shadow:var(--shadow);font-size:9px;letter-spacing:.12em;line-height:1.4}.float-card b{font-size:13px;letter-spacing:0}.fc1{right:0;top:100px}.fc2{right:6px;top:185px}.progress-card{margin:22px 28px;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:22px 24px;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}.progress-card small,.section-head small,.finish-card small,.try-card small{font-size:10px;letter-spacing:.18em;font-weight:900;color:var(--mocha)}.progress-card strong{display:block;margin-top:5px;font-size:20px}.ring{--p:0deg;width:62px;height:62px;border-radius:50%;background:conic-gradient(var(--mocha) var(--p),#eadfd6 0);display:grid;place-items:center;position:relative}.ring:after{content:"";width:48px;height:48px;border-radius:50%;background:var(--paper);position:absolute}.ring span{position:relative;z-index:2;font-size:11px;font-weight:900}.progress-line{grid-column:1/-1;height:5px;background:#eadfd6;border-radius:8px;overflow:hidden}.progress-line i{display:block;width:0;height:100%;background:var(--mocha);transition:.3s}.curriculum{padding:48px 28px}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:22px}.section-head h2{font-family:Georgia,serif;font-size:36px;font-weight:500;margin:7px 0 0}.section-head>span{font-size:12px;color:#806f65}.lesson-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.lesson-card{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:20px;display:grid;grid-template-columns:54px 1fr auto;gap:15px;align-items:center;cursor:pointer;transition:.2s;position:relative;overflow:hidden}.lesson-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.lesson-num{width:54px;height:54px;border-radius:16px;background:#efe2d8;display:grid;place-items:center;font-family:Georgia,serif;font-size:20px}.lesson-card.done .lesson-num{background:var(--sage)}.lesson-card h3{margin:0 0 6px;font-size:15px}.lesson-card p{margin:0;color:#7a6b62;font-size:12px}.lesson-status{width:28px;height:28px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-size:12px}.lesson-card.done .lesson-status{background:var(--ink);color:white}.finish-card{margin:0 28px 50px;background:#e8d0c7;border-radius:28px;padding:46px;text-align:center}.finish-card .spark{font-size:28px}.finish-card h2{font-family:Georgia,serif;font-weight:500;font-size:38px;margin:10px 0}.finish-card p{margin:auto;max-width:520px;color:#66534a}.lesson-view{padding:40px 28px 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input{display:none}.custom-check{width:28px;height:28px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:transparent}.check-row input:checked+.custom-check{background:var(--ink);color:white}.lesson-actions{display:flex;justify-content:space-between;gap:12px;margin-top:22px}footer{border-top:1px solid var(--line);padding:30px 28px 45px;display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;color:#7b6c63;font-size:11px}footer b{color:var(--ink);letter-spacing:.12em}footer small{width:100%;opacity:.7}@media(max-width:760px){.topbar{height:66px;padding:0 18px}.brand{font-size:10px}.hero{margin:14px 14px 0;padding:38px 25px 330px;min-height:auto;border-radius:25px}.hero h1{font-size:48px}.hero>p{font-size:15px}.phone-art{right:calc(50% - 155px);bottom:-145px;transform:rotate(3deg)}.progress-card{margin:14px}.curriculum{padding:36px 14px}.section-head h2{font-size:30px}.lesson-grid{grid-template-columns:1fr}.lesson-card{grid-template-columns:48px 1fr 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