:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #151b23;
  --text: #f0f6fc;
  --muted: #9ba7b4;
  --line: #2d3642;
  --accent: #58a6ff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.hero, section {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  margin-bottom: 20px;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.35rem;
}

p { margin: 0 0 12px; }
ul, ol { margin: 0 0 12px; padding-left: 22px; }
li { margin: 6px 0; }

.last-updated, .muted {
  color: var(--muted);
  font-size: 0.95rem;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

a {
  color: var(--accent);
}

.button {
  display: inline-block;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #1f2937;
  color: var(--text);
  text-decoration: none;
}

.button:hover, .button:focus {
  border-color: var(--accent);
  outline: none;
}

footer {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}

code {
  background: #111827;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2px 6px;
}