body {
  background: #0d0f12;
  color: #e6e6e6;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 2rem;
}

main {
  max-width: 720px;
  margin: auto;
}

nav {
  margin-bottom: 2rem;
}

nav a {
  margin-right: 1rem;
  text-decoration: none;
  color: #8ab4f8;
}

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

h1, h2 {
  color: #ffffff;
}

ul {
  padding-left: 1.2rem;
}

footer {
  margin-top: 3rem;
  font-size: 0.9rem;
  color: #888;
}