body {
  font-family: 'Inter', sans-serif;
  margin: 2rem auto;
  max-width: 700px;
  line-height: 1.6;
  color: #222;
  background: #fff;
}

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

header h1 a {
  text-decoration: none;
  color: inherit;
}

h2 {
  margin-top: 2rem;
  font-size: 1.3rem;
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 1rem;
}

nav a {
  font-weight: 600;
}