*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#fbfcfe;--fg:#12181f;--mut:#5b6673;--line:#e3e8ef;--card:#fff;--accent:#1d6f4f;--accent-s:#0f5138}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--fg);line-height:1.62;-webkit-font-smoothing:antialiased}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--line);background:#fff}
nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:18px;letter-spacing:-.02em;text-decoration:none;color:var(--fg)}
.brand span{color:var(--accent)}
nav .links{display:flex;gap:26px;align-items:center}
nav a{color:var(--mut);text-decoration:none;font-size:15px}
nav a:hover{color:var(--fg)}
.btn{display:inline-block;background:var(--accent);color:#fff!important;padding:10px 20px;border-radius:8px;font-weight:600;font-size:15px;text-decoration:none}
.btn:hover{background:var(--accent-s)}
.hero{padding:84px 0 64px;border-bottom:1px solid var(--line)}
.hero h1{font-size:clamp(34px,5vw,52px);line-height:1.12;letter-spacing:-.03em;font-weight:800;max-width:15ch}
.hero p{color:var(--mut);font-size:19px;margin-top:20px;max-width:56ch}
.hero .cta{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.btn.ghost{background:#fff;color:var(--fg)!important;border:1px solid var(--line)}
.plat{margin-top:44px;color:var(--mut);font-size:14px}
.plat b{color:var(--fg);font-weight:600}
section{padding:64px 0;border-bottom:1px solid var(--line)}
h2{font-size:28px;letter-spacing:-.02em;font-weight:750;margin-bottom:10px}
.sub{color:var(--mut);margin-bottom:34px;max-width:60ch}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px}
.card h3{font-size:17px;font-weight:680;margin-bottom:7px}
.card p{color:var(--mut);font-size:15px}
ol.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:18px}
ol.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px}
ol.steps li::before{content:counter(s);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;font-size:14px;font-weight:700;margin-bottom:12px}
ol.steps h3{font-size:17px;font-weight:680;margin-bottom:6px}
ol.steps p{color:var(--mut);font-size:15px}
footer{padding:36px 0 52px;color:var(--mut);font-size:14px}
footer .row{display:flex;gap:22px;flex-wrap:wrap;align-items:center;justify-content:space-between}
footer a{color:var(--mut)}
.doc{padding:56px 0 80px;max-width:760px}
.doc h1{font-size:34px;letter-spacing:-.02em;margin-bottom:6px}
.doc .upd{color:var(--mut);font-size:14px;margin-bottom:34px}
.doc h2{font-size:20px;margin:34px 0 10px}
.doc p,.doc li{color:#2b333d;font-size:16px}
.doc ul{margin:10px 0 10px 22px}
.doc li{margin-bottom:7px}
.doc a{color:var(--accent)}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0e1216;--fg:#e9eef4;--mut:#9aa6b4;--line:#222b34;--card:#151b21;--accent:#3fa87c;--accent-s:#57bd90}
:root:not([data-theme=light]) header{background:#111721}
:root:not([data-theme=light]) .btn.ghost{background:#151b21}
:root:not([data-theme=light]) .doc p,:root:not([data-theme=light]) .doc li{color:#c7d1dc}}