:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #fafafa;
  --muted: #666;
  --accent: #5a4fcf;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8e8e8;
    --bg: #161616;
    --muted: #999;
    --accent: #9c93ff;
  }
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  max-width: 40rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

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

.site-header {
  margin-bottom: 3rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid color-mix(in srgb, var(--fg) 12%, transparent);
}

.site-title {
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--fg);
  letter-spacing: -0.01em;
}

main h1 {
  margin-top: 0;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.site-footer {
  margin-top: 4rem;
  padding-top: 1rem;
  border-top: 1px solid color-mix(in srgb, var(--fg) 12%, transparent);
  color: var(--muted);
}