body {
  font-family: Georgia, "Times New Roman", serif;
  background: #fafafa;
  color: #111;
  max-width: 760px;
  margin: 80px auto;
  padding: 0 24px;
  line-height: 1.75;
}

h1 {
  font-size: 2.4rem;
  font-weight: normal;
  margin-bottom: 0.2em;
}

h2 {
  font-size: 1.2rem;
  font-weight: normal;
  margin-top: 3rem;
  margin-bottom: 0.6rem;
}

.subtitle {
  color: #555;
  font-size: 1rem;
}

nav {
  margin: 40px 0 60px 0;
}

nav a {
  margin-right: 20px;
  text-decoration: none;
  color: #111;
  font-size: 0.95rem;
}

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

section {
  margin-bottom: 48px;
}

footer {
  margin-top: 80px;
  font-size: 0.85rem;
  color: #666;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  body {
    background: #0e0e0e;
    color: #eaeaea;
  }

  nav a {
    color: #eaeaea;
  }

  .subtitle,
  footer {
    color: #aaaaaa;
  }
}