:root{--bg:#f7f8fa;--fg:#14171f;--muted:#5b6475;--line:#e3e6ec;--card:#fff;--acc:#2f5bea;--acc2:#1d3fb8;--soft:#eef2fe}
@media (prefers-color-scheme:dark){:root{--bg:#0e1117;--fg:#e8ebf2;--muted:#9aa3b5;--line:#232836;--card:#151a24;--acc:#6d8dff;--acc2:#8ea7ff;--soft:#1a2236}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--acc);text-decoration:none}a:hover{color:var(--acc2);text-decoration:underline}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);background:var(--card)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--fg)}.logo:hover{text-decoration:none;color:var(--fg)}
.nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0;font-size:15px}.nav ul a{color:var(--muted)}.nav ul a:hover{color:var(--fg);text-decoration:none}
.hero{padding:88px 0 64px}.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--acc);background:var(--soft);padding:4px 10px;border-radius:999px;margin-bottom:18px}
h1{font-size:44px;line-height:1.15;margin:0 0 18px;letter-spacing:-.02em;max-width:720px}h2{font-size:28px;margin:0 0 14px;letter-spacing:-.01em}h3{font-size:18px;margin:0 0 6px}
.lead{font-size:19px;color:var(--muted);max-width:640px;margin:0 0 30px}
.btn{display:inline-block;background:var(--acc);color:#fff;padding:12px 20px;border-radius:10px;font-weight:600}.btn:hover{background:var(--acc2);color:#fff;text-decoration:none}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line);margin-left:8px}.btn.ghost:hover{background:var(--card)}
section{padding:56px 0;border-top:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}.card p{margin:0;color:var(--muted);font-size:15px}
.ico{width:36px;height:36px;border-radius:9px;background:var(--soft);display:grid;place-items:center;margin-bottom:14px;color:var(--acc)}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.steps div{counter-increment:s}.steps div:before{content:counter(s);display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--acc);color:#fff;font-weight:700;margin-bottom:10px}
.steps p{color:var(--muted);margin:0}
.doc{padding:56px 0 72px;max-width:760px}.doc h2{font-size:20px;margin-top:32px}.doc p,.doc li{color:var(--muted)}
.center{text-align:center;padding:110px 0 120px}.center .lead{margin:0 auto 28px}
.code{font:600 64px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--acc);margin-bottom:10px}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}
.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.foot a{color:var(--muted);margin-left:18px}
@media (max-width:760px){h1{font-size:32px}.grid,.steps{grid-template-columns:1fr}.nav ul{gap:14px;font-size:14px}.nav ul li.hide{display:none}.hero{padding:56px 0 40px}.btn.ghost{margin:10px 0 0}}