:root {
  --ink: #1a1a2e;
  --muted: #555;
  --accent: #4f46e5;
  --max: 42rem;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.6;
  color: var(--ink);
}

body {
  margin: 0;
}

.site-header,
main,
.site-footer {
  max-width: var(--max);
  margin-inline: auto;
  padding: 1.5rem 1.25rem;
}

.site-header .brand {
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
}

.hero h1 {
  font-size: 2.25rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  margin: 0 0 2rem;
}

.prose {
  font-size: 1.05rem;
}

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

.site-footer {
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid #eee;
}