:root{--ink:#1f2340;--muted:#5b6080;--brand:#4F46E5;--brand2:#2E1A9E;--bg:#f7f8fc;--card:#fff;--line:#e4e6f0}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--brand)}.wrap{max-width:960px;margin:0 auto;padding:0 20px}
header{background:#fff;border-bottom:1px solid var(--line)}header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;color:var(--ink)}.logo img{width:36px;height:36px}
nav a{margin-left:20px;text-decoration:none;color:var(--muted);font-size:15px}
.hero{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;padding:88px 0 96px}
.hero h1{font-size:clamp(32px,5vw,48px);line-height:1.15;margin:0 0 16px}.hero p{font-size:19px;max-width:620px;opacity:.92;margin:0 0 28px}
.btn{display:inline-block;background:#fff;color:var(--brand2);padding:12px 22px;border-radius:10px;font-weight:600;text-decoration:none}
section{padding:64px 0}h2{font-size:28px;margin:0 0 24px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}.card h3{margin:0 0 8px;font-size:18px}.card p{margin:0;color:var(--muted)}
footer{border-top:1px solid var(--line);background:#fff;padding:28px 0;color:var(--muted);font-size:14px}footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.doc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:40px;margin:48px auto}.doc h1{margin-top:0}.doc h2{font-size:20px;margin:32px 0 8px}.doc p,.doc li{color:#333a5c}
@media(max-width:600px){nav a{margin-left:12px}.doc{padding:24px}}