body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  margin: 0;
  padding: 0;
  background: #0b0b0b;
  color: #eaeaea;
  line-height: 1.6;
}

header, footer {
  background: #111;
  padding: 2rem;
  text-align: center;
}

main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

h1, h2 {
  font-weight: 500;
}

.subtitle {
  opacity: 0.7;
}

a {
  color: #8ab4f8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  padding-left: 1.2rem;
}