:root{--ink:#24324f;--muted:#71809a;--line:#e7e5ef;--lav:#efeaff;--purple:#7564c7}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,#fbfaff,#fffdf9)}a{text-decoration:none;color:inherit}button,select{font:inherit}.site-header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;background:#ffffffdf;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px}.brand>span{width:44px;height:44px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(145deg,#8fa7ff,#baa8ff);color:#fff;font-size:23px;font-weight:900}.brand b,.brand small{display:block}.brand small{font-size:10px;color:var(--muted)}nav{display:flex;gap:18px;font-size:12px;font-weight:800}main{max-width:1320px;margin:auto;padding:0 5vw 70px}.hero{min-height:78vh;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:30px}.eyebrow{display:inline-block;padding:7px 11px;border-radius:999px;background:var(--lav);color:#6755ad;font-size:10px;font-weight:900}.hero h1{font-size:clamp(52px,7vw,88px);line-height:.95;margin:16px 0}.hero p{color:var(--muted);font-size:17px;line-height:1.7;max-width:680px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.btn{display:inline-flex;padding:13px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font-weight:900}.btn.primary{border:0;background:linear-gradient(135deg,#7462c9,#8da7ff);color:#fff}.video-stage{min-height:480px;border-radius:34px;background:radial-gradient(circle at 20% 20%,#fff 0,#dfe9ff 28%,#f2eaff 58%,#ffe8c8 100%);position:relative;overflow:hidden;box-shadow:0 30px 80px #7f6cba22}.student{position:absolute;left:45%;bottom:50px;font-size:100px;animation:float 3s ease-in-out infinite}.mount{position:absolute;bottom:0;width:100%;font-size:100px;letter-spacing:-20px;opacity:.8}.milestone{position:absolute;padding:10px 13px;border-radius:15px;background:#ffffffd9;font-size:12px;font-weight:900}.m1{left:8%;top:15%}.m2{right:10%;top:18%}.m3{left:10%;bottom:18%}.m4{right:8%;bottom:20%}@keyframes float{50%{transform:translateY(-12px)}}.section{padding:70px 0}.section h2{font-size:44px;margin:0 0 12px}.section>p{color:var(--muted);max-width:760px;line-height:1.7}.cards,.path-grid,.subject-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:25px}.card,.path-card,.subject{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px}.card .icon{font-size:34px}.card h3,.path-card h3{font-size:23px;margin:10px 0}.card p,.path-card p,.subject p{color:var(--muted);font-size:13px;line-height:1.6}.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:25px}.step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;text-align:center}.step span{font-size:29px}.step b,.step small{display:block}.step small{color:var(--muted);margin-top:5px}.quiz-wrap{max-width:900px;margin:50px auto;background:#fff;border:1px solid var(--line);border-radius:28px;padding:28px}.question{display:none}.question.active{display:block}.options{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.option{border:1px solid var(--line);background:#fff;border-radius:17px;padding:16px;text-align:left;font-weight:800}.progress{height:10px;background:#eeeaf4;border-radius:999px;overflow:hidden;margin-bottom:22px}.progress i{display:block;height:100%;background:linear-gradient(90deg,#7564c7,#8fa7ff);width:0}.result{display:none}.result.active{display:block}.path-card{position:relative;overflow:hidden}.path-card:before{content:'';position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--c)}.branch{padding:13px;border-radius:14px;background:#f7f5fc;margin-top:10px}.branch small{color:var(--muted)}.board-controls{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.board-controls select{padding:12px;border-radius:13px;border:1px solid var(--line);background:#fff}.subject a{font-size:11px;font-weight:900;color:#6b5ab1}.roadmap{position:relative;margin-top:30px}.roadmap:before{content:'';position:absolute;left:50%;top:0;bottom:0;width:3px;background:linear-gradient(#8fa7ff,#f0b85a)}.road-row{display:grid;grid-template-columns:1fr 70px 1fr;align-items:center;margin:24px 0}.road-row:nth-child(even) .road-content{grid-column:3}.road-row:nth-child(even) .road-dot{grid-column:2;grid-row:1}.road-content{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px}.road-dot{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#7564c7;color:#fff;margin:auto;font-weight:900}footer{text-align:center;padding:45px 20px;border-top:1px solid var(--line);background:#fff}footer p{color:var(--muted)}@media(max-width:950px){.hero{grid-template-columns:1fr}.cards,.path-grid,.subject-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(3,1fr)}}@media(max-width:620px){nav{display:none}.cards,.path-grid,.subject-grid,.options{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.section h2{font-size:36px}.roadmap:before{left:20px}.road-row{grid-template-columns:45px 1fr}.road-row .road-dot,.road-row:nth-child(even) .road-dot{grid-column:1;grid-row:1}.road-row .road-content,.road-row:nth-child(even) .road-content{grid-column:2;grid-row:1}}