:root {
  --bg: #0e0f11;
  --surface: #16181b;
  --line: #26292e;
  --text: #ecedee;
  --muted: #9aa0a6;
  --accent: #2fb8a0;
  --max: 1080px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 18px; letter-spacing: -.01em; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; }
nav a { color: var(--muted); margin-left: 22px; font-size: 15px; }
nav a:hover { color: var(--text); text-decoration: none; }

.hero { padding: 96px 0 72px; }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; }
.hero h1 { font-size: clamp(34px, 6vw, 58px); line-height: 1.08; letter-spacing: -.03em; margin: 14px 0 20px; max-width: 820px; }
.hero p { color: var(--muted); font-size: 19px; max-width: 640px; margin: 0; }
.cta { display: inline-block; margin-top: 32px; padding: 12px 22px; border-radius: 10px; background: var(--accent); color: #062019; font-weight: 600; }
.cta:hover { text-decoration: none; filter: brightness(1.08); }

section.block { padding: 64px 0; border-top: 1px solid var(--line); }
section.block h2 { font-size: 28px; letter-spacing: -.02em; margin: 0 0 28px; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.steps li { counter-increment: s; position: relative; padding: 16px 18px 16px 58px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; color: var(--muted); }
.steps li strong { color: var(--text); }
.steps li::before { content: counter(s); position: absolute; left: 18px; top: 15px; width: 26px; height: 26px; border-radius: 50%; background: var(--accent); color: #062019; font-weight: 700; font-size: 14px; display: grid; place-items: center; }

.doc { padding: 56px 0 80px; max-width: 760px; }
.doc h1 { font-size: 38px; letter-spacing: -.02em; margin: 0 0 6px; }
.doc .updated { color: var(--muted); margin: 0 0 36px; }
.doc h2 { font-size: 21px; margin: 36px 0 10px; }
.doc p, .doc li { color: #c9ccd0; }
.doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.doc .note { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 10px; padding: 16px 18px; }

footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; padding-top: 28px; padding-bottom: 28px; }
footer a { color: var(--muted); margin-right: 18px; }

@media (max-width: 560px) {
  nav a { margin-left: 14px; font-size: 14px; }
  .hero { padding: 64px 0 48px; }
}