body {
  font-family: system-ui, sans-serif;
  background: #fdfdfd;
  color: #333;
  max-width: 700px;
  margin: auto;
  padding: 2rem;
  line-height: 1.6;
}

h1, h2 {
  color: #111;
  margin-top: 2rem;
}

a {
  color: #0056b3;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  margin-top: 4rem;
  padding: 2rem 0;
  text-align: center;
  font-size: 0.9rem;
  color: #777;
}