:root{--ink:#15203a;--muted:#67728a;--line:#e7eaf1;--violet:#6048f5;--violet2:#8b5cf6;--blue:#2877f5;--bg:#f8f9fd}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#fff}a{text-decoration:none;color:inherit}.nav{height:78px;max-width:1200px;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:950;font-size:25px;letter-spacing:-.7px}.brand span{color:var(--violet)}.navlinks{display:flex;gap:9px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:13px;padding:12px 18px;font-weight:800;border:1px solid var(--line);background:#fff}.btn.primary{border:0;color:#fff;background:linear-gradient(135deg,var(--violet),var(--violet2));box-shadow:0 13px 30px #6048f52b}.hero{max-width:1200px;margin:auto;padding:70px 24px 68px;display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}.eyebrow{display:inline-flex;padding:8px 12px;border-radius:999px;background:#f1efff;color:#5d45dc;font-weight:850;font-size:13px}.hero h1{font-size:clamp(48px,6.2vw,76px);line-height:.98;letter-spacing:-3.2px;margin:20px 0}.hero h1 span{background:linear-gradient(135deg,var(--violet),var(--blue));-webkit-background-clip:text;color:transparent}.hero p{font-size:19px;line-height:1.7;color:var(--muted);max-width:650px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.experience{background:linear-gradient(145deg,#f5f2ff,#edf6ff);border:1px solid #e5e1ff;border-radius:32px;padding:22px;position:relative}.switch{display:grid;grid-template-columns:1fr 1fr;gap:12px}.portal{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 24px 60px #29304d10}.portal .icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;font-size:24px;background:#f1efff}.portal.teacher .icon{background:#eaf4ff}.portal h3{font-size:22px;margin:14px 0 7px}.portal p{font-size:14px;margin:0 0 16px}.mock{margin-top:12px;background:#171d34;color:#fff;border-radius:20px;padding:18px}.mockbar{display:flex;justify-content:space-between;color:#9ba5c2;font-size:12px}.progress{height:8px;border-radius:99px;background:#2a3351;overflow:hidden;margin-top:8px}.progress span{display:block;height:100%;width:72%;background:linear-gradient(90deg,#8e73ff,#52d7c6)}.section{max-width:1200px;margin:auto;padding:70px 24px}.section h2{text-align:center;font-size:40px;letter-spacing:-1.4px;margin:0 0 12px}.lead{text-align:center;max-width:750px;margin:0 auto 36px;color:var(--muted);font-size:18px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{border:1px solid var(--line);border-radius:21px;padding:24px;background:#fff}.card b{font-size:18px}.card p{color:var(--muted);line-height:1.6}.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:12px;align-items:center}.flow .node{padding:24px;border:1px solid var(--line);border-radius:20px;text-align:center;background:var(--bg)}.arrow{color:#8c96aa;font-size:25px}.cta{max-width:1152px;margin:20px auto 80px;padding:48px 24px;border-radius:30px;text-align:center;background:linear-gradient(135deg,#171d37,#6040dd);color:#fff}.cta h2{font-size:38px;margin:0 0 10px}.cta p{color:#d5d9ea}.footer{text-align:center;padding:24px;color:var(--muted)}@media(max-width:850px){.hero{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}.flow{grid-template-columns:1fr}.arrow{transform:rotate(90deg);text-align:center}.navlinks .hide-mobile{display:none}}@media(max-width:580px){.nav{padding:0 14px}.hero{padding:44px 16px}.hero h1{letter-spacing:-2px}.switch,.grid{grid-template-columns:1fr}.section{padding:54px 16px}.actions .btn{width:100%}}