:root{--bg:#07090f;--card:#0f1420;--line:#1d2536;--tx:#e7ecf5;--mu:#93a0b8;--a:#22d3ee;--b:#a855f7;--c:#f97316}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--tx)}
a{color:var(--a)}.wrap{max-width:1100px;margin:auto;padding:0 20px}
header{position:sticky;top:0;z-index:9;background:#07090fcc;backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:64px}nav .brand{display:flex;gap:10px;align-items:center;color:var(--tx);text-decoration:none;font-weight:800;font-size:20px}
nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0}nav ul a{color:var(--mu);text-decoration:none}nav ul a:hover{color:var(--tx)}
.hero{position:relative;padding:120px 0 100px;overflow:hidden}.hero:before{content:"";position:absolute;inset:-40% -20% auto;height:700px;background:radial-gradient(closest-side,#a855f733,transparent),radial-gradient(closest-side at 70% 40%,#22d3ee2a,transparent);z-index:-1}
h1{font-size:clamp(38px,7vw,72px);line-height:1.05;margin:0 0 18px;letter-spacing:-.03em}.g{background:linear-gradient(90deg,var(--a),var(--b),var(--c));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:20px;color:var(--mu);max-width:640px}.btn{display:inline-block;padding:12px 22px;border-radius:999px;background:linear-gradient(90deg,var(--a),var(--b));color:#07090f;font-weight:700;text-decoration:none;margin:8px 10px 0 0}.btn.o{background:none;border:1px solid var(--line);color:var(--tx)}
section{padding:80px 0}h2{font-size:34px;margin:0 0 10px}.sub{color:var(--mu);margin:0 0 36px}
.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:18px;padding:26px;transition:.3s}.card:hover{border-color:#22d3ee66;box-shadow:0 0 40px #22d3ee22;transform:translateY(-4px)}
.ic{font-size:28px}.tag{display:inline-block;font-size:12px;padding:3px 10px;border-radius:99px;border:1px solid #f9731688;color:var(--c)}
footer{border-top:1px solid var(--line);padding:30px 0;color:var(--mu);font-size:14px}footer a{color:var(--mu);margin-right:16px}
.doc{max-width:800px;padding:60px 20px}.doc h2{font-size:22px;margin-top:34px}
.js .r{opacity:0;transform:translateY(24px);transition:.7s}.js .r.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .r{opacity:1;transform:none}html{scroll-behavior:auto}}
@media(max-width:640px){nav ul{gap:12px;font-size:14px}nav ul li.h{display:none}.hero{padding:70px 0}}
:focus-visible{outline:2px solid var(--a);outline-offset:3px}