:root{--bg:#0b0d10;--card:#14171b;--line:#242830;--fg:#eceef0;--muted:#9aa2ab;--accent:#c9a961}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--fg);text-decoration:none}
header{border-bottom:1px solid var(--line);padding:22px 24px;display:flex;justify-content:space-between;align-items:center;max-width:960px;margin:0 auto}
header .brand{font-weight:700;font-size:19px;letter-spacing:.02em}
header nav a{color:var(--muted);margin-left:26px;font-size:14px}
header nav a:hover,header nav a.active{color:var(--fg)}
main{max-width:720px;margin:0 auto;padding:64px 24px}
main.wide{max-width:960px}
h1{font-size:38px;line-height:1.2;margin:0 0 18px;font-weight:600}
h2{font-size:22px;margin:44px 0 14px;font-weight:600}
p{color:var(--muted);margin:0 0 16px}
p.lead{color:var(--fg);font-size:19px;margin-bottom:28px}
.tag{display:inline-block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:24px}
.card h3{margin:0 0 8px;font-size:17px;font-weight:600}
.card p{margin:0;font-size:14px}
.btn{display:inline-block;background:var(--fg);color:var(--bg);font-weight:600;padding:12px 22px;border-radius:6px;margin-top:8px}
.btn:hover{opacity:.88}
.steps{counter-reset:s;margin-top:24px}
.step{display:flex;gap:16px;margin-bottom:22px}
.step .n{counter-increment:s;font-family:ui-monospace,Menlo,monospace;color:var(--accent);font-size:14px;padding-top:2px}
.step .n::before{content:"0" counter(s)}
.step div p{margin:0}
.step div b{color:var(--fg)}
footer{border-top:1px solid var(--line);margin-top:50px}
footer .inner{max-width:960px;margin:0 auto;padding:26px 24px;color:var(--muted);font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
footer a{color:var(--muted);border-bottom:1px solid transparent}
footer a:hover{color:var(--fg);border-color:var(--muted)}
@media (max-width:640px){.grid{grid-template-columns:1fr}h1{font-size:30px}header{flex-direction:column;gap:12px;align-items:flex-start}}