:root{--ink:#222;--muted:#837878;--yellow:#fdf309;--red:#f10000;--bg:#fff;--line:#e6e2e2;--soft:#f7f5f5}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:inherit}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:5}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:15px}
.dots{display:inline-flex;gap:5px}.dots i{width:12px;height:12px;border-radius:50%;display:block}
.dots i:nth-child(1){background:var(--red)}.dots i:nth-child(2){background:var(--muted)}.dots i:nth-child(3){background:var(--yellow)}
nav a{margin-left:22px;text-decoration:none;font-size:14px;color:#444}nav a:hover{color:var(--ink);text-decoration:underline}
.hero{padding:64px 0 40px}.hero h1{font-size:clamp(30px,5vw,46px);line-height:1.1;margin:0 0 14px;letter-spacing:-.02em}
.hero p{font-size:18px;color:#444;max-width:640px;margin:0}
.by{font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;padding:16px 0 56px}
.card{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff;display:flex;flex-direction:column;gap:10px;transition:border-color .15s}
.card:hover{border-color:var(--ink)}
.icon{width:48px;height:48px;border-radius:12px;background:var(--ink);color:var(--yellow);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;letter-spacing:.04em}
.card h3{margin:6px 0 0;font-size:19px}.card p{margin:0;color:#444;font-size:15px}
.card .links{margin-top:auto;display:flex;gap:14px;font-size:14px}
.pkg{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;color:var(--muted)}
main.doc{padding:40px 0 64px;max-width:760px}
main.doc h1{font-size:34px;line-height:1.15;margin:0 0 6px;letter-spacing:-.02em}
main.doc h2{font-size:22px;margin:34px 0 10px;padding-top:10px;border-top:1px solid var(--line)}
main.doc h3{font-size:17px;margin:22px 0 6px}
main.doc p,main.doc li{font-size:16px;color:#333}
.meta{color:var(--muted);font-size:14px;margin-bottom:26px}
.note{background:var(--soft);border-left:4px solid var(--yellow);padding:14px 16px;border-radius:0 10px 10px 0;margin:18px 0}
.warn{border-left-color:var(--red)}
table{border-collapse:collapse;width:100%;font-size:15px;margin:12px 0}
th,td{border:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}th{background:var(--soft)}
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;padding:10px 16px;border-radius:10px;font-size:14px;font-weight:600}
.btn.alt{background:#fff;color:var(--ink);border:1px solid var(--ink)}
footer{border-top:1px solid var(--line);padding:28px 0 40px;color:#555;font-size:13.5px}
footer .wrap{display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between}
footer a{color:#555}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin:26px 0 6px}
.kpi{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:var(--soft)}
.kpi b{display:block;font-size:26px;letter-spacing:-.02em}.kpi span{font-size:13px;color:#555}
.steps{counter-reset:s;display:grid;gap:14px;margin:18px 0}
.step{border:1px solid var(--line);border-radius:12px;padding:16px 18px 16px 58px;position:relative}
.step:before{counter-increment:s;content:counter(s);position:absolute;left:16px;top:14px;width:30px;height:30px;border-radius:50%;background:var(--ink);color:var(--yellow);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.step h3{margin:0 0 4px;font-size:17px}.step p{margin:0;font-size:15px;color:#444}
.tag{display:inline-block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:3px 10px;margin:0 6px 6px 0}
.sec{padding:8px 0 40px}.sec h2{font-size:26px;letter-spacing:-.02em;margin:0 0 6px}.sec .lead{color:#444;font-size:17px;max-width:720px;margin:0 0 18px}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
@media (max-width:640px){nav a{margin-left:10px;font-size:13px}.hero{padding:44px 0 28px}}