:root {
  --fg: #1a1a1a;
  --muted: #666;
  --accent: #2563eb;
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  max-width: 42rem;
  margin: 0 auto;
  padding: 4rem 1rem;
  line-height: 1.7;
  color: var(--fg);
}

h1 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

footer {
  margin-top: 4rem;
  color: var(--muted);
  font-size: 0.875rem;
}