:root {
  --bg: #fafaf7;
  --fg: #1a1a1a;
  --muted: #555;
  --rule: #e0e0d8;
  --link: #0a5acd;
  --link-hover: #073a87;
  --max: 38rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a1a;
    --fg: #e8e8e3;
    --muted: #9a9a93;
    --rule: #2a2a28;
    --link: #6aa7ff;
    --link-hover: #a3c5ff;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: var(--max);
  margin: 4rem auto 6rem;
  padding: 0 1.25rem;
}

header {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1.25rem;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 1.6rem;
  margin: 0 0 0.25rem;
  letter-spacing: -0.01em;
}

header .tagline {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

h2 {
  font-size: 1.1rem;
  margin: 2rem 0 0.5rem;
  letter-spacing: -0.005em;
}

p { margin: 0.5rem 0 1rem; }

a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

a:hover {
  color: var(--link-hover);
  border-bottom-color: currentColor;
}

ul {
  padding-left: 1.25rem;
  margin: 0.5rem 0 1rem;
}

li { margin: 0.25rem 0; }

footer {
  margin-top: 4rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-size: 0.85rem;
  color: var(--muted);
}

footer a { color: var(--muted); }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--rule);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

.updated {
  color: var(--muted);
  font-size: 0.85rem;
  font-style: italic;
}