:root {
  --bg: #0b1410;
  --surface: #121f19;
  --text: #e8f1ec;
  --muted: #9db3a7;
  --accent: #22c55e;
  --accent-ink: #052e16;
  --border: #22352b;
  color-scheme: dark;
}

* { box-sizing: border-box; }

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); }

.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }

header.top {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 0; border-bottom: 1px solid var(--border);
}
header.top img { width: 40px; height: 40px; }
header.top a { color: var(--text); text-decoration: none; font-weight: 700; font-size: 18px; }

.hero { text-align: center; padding: 72px 0 56px; }
.hero img { width: 140px; height: auto; }
.hero h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.1; margin: 24px 0 12px; }
.hero p { color: var(--muted); font-size: 18px; max-width: 560px; margin: 0 auto; }

.badges { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }
.badge {
  padding: 12px 20px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--surface); color: var(--muted); font-weight: 600;
}

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; padding-bottom: 56px; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 20px; }
.feature h2 { font-size: 18px; margin: 0 0 6px; }
.feature p { margin: 0; color: var(--muted); }

.doc { padding: 40px 0 64px; }
.doc h1 { font-size: clamp(28px, 5vw, 38px); line-height: 1.2; }
.doc h2 { margin-top: 36px; font-size: 22px; }
.doc .updated { color: var(--muted); }
.doc table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
.doc th, .doc td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
.doc th { background: var(--surface); }
.todo { background: #4d3a00; color: #ffe08a; padding: 0 4px; border-radius: 4px; }

footer.bottom {
  border-top: 1px solid var(--border); padding: 24px 0; color: var(--muted); font-size: 14px;
  display: flex; gap: 16px; flex-wrap: wrap; justify-content: space-between;
}
footer.bottom nav { display: flex; gap: 16px; flex-wrap: wrap; }