:root{--ink:#14161a;--muted:#5b616b;--line:#e6e8eb;--bg:#fff;--soft:#f6f7f8;--accent:#3d3bf3}
@media (prefers-color-scheme:dark){:root{--ink:#eceef1;--muted:#a3a9b3;--line:#2a2d33;--bg:#121316;--soft:#1a1c20;--accent:#8b8aff}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--accent)}
.wrap{max-width:880px;margin:0 auto;padding:0 16px}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;flex-wrap:wrap}
.logo{font-weight:700;font-size:19px;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-size:15px}nav a:hover{color:var(--ink)}
main{padding:40px 0 56px}
h1{font-size:clamp(28px,5vw,40px);line-height:1.15;letter-spacing:-.02em;margin:0 0 14px}
h2{font-size:22px;margin:40px 0 10px;letter-spacing:-.01em}h3{font-size:17px;margin:22px 0 6px}
p,li{color:var(--ink)}.lead{font-size:19px;color:var(--muted);max-width:640px}
.muted{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:16px}
.card{border:1px solid var(--line);border-radius:10px;padding:18px;background:var(--soft)}
.card h3{margin-top:0}.price{font-size:26px;font-weight:700;margin:4px 0 8px}.price span{font-size:15px;font-weight:400;color:var(--muted)}
.card ul{padding-left:18px;margin:8px 0 0}.card li{margin:3px 0}
.btn{display:inline-block;background:var(--ink);color:var(--bg);padding:11px 18px;border-radius:8px;text-decoration:none;font-weight:600;margin-top:10px}
footer{border-top:1px solid var(--line);padding:22px 0;font-size:14px;color:var(--muted)}footer a{color:var(--muted);margin-right:14px}
.doc h2{font-size:19px;margin-top:30px}.doc li{margin:4px 0}