body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #020617;
  color: #e5e7eb;
}

header, footer {
  padding: 1.5rem;
  background: #020617;
  border-bottom: 1px solid #1f2937;
}

footer {
  border-top: 1px solid #1f2937;
  border-bottom: none;
  text-align: center;
  font-size: 0.875rem;
}

nav a {
  margin-right: 1rem;
  text-decoration: none;
  color: #e5e7eb;
}

nav a:hover {
  text-decoration: underline;
}

main {
  padding: 2rem 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

h1 {
  font-size: 1.5rem;
  margin: 0 0 0.5rem;
}

h2 {
  margin-top: 1rem;
}