:root {
  color-scheme: light dark;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  max-width: 40rem;
  margin: 3rem auto;
  padding: 0 1.25rem;
  line-height: 1.6;
}

h1 {
  margin-bottom: 0.25rem;
}

h2 {
  margin-top: 2rem;
}

nav, footer {
  color: #666;
  font-size: 0.9rem;
}

footer {
  margin-top: 3rem;
}

a {
  color: #0a58ca;
}