/* ===== Base styles (index.html) ===== */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

header {
  background-color: #333;
  color: white;
  padding: 1rem;
  text-align: center;
}

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

h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

ul {
  margin: 0;
}

li {
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

/* ===== Logo banner (logo.html) ===== */
.logo-banner {
  background-color: #333;
  color: white;
  padding: 1rem;
  text-align: center;
}

.logo-banner h1 {
  font-size: 2rem;
  margin: 0;
  font-weight: normal;
}

/* ===== Dark mode ===== */
@media (prefers-color-scheme: dark) {
  body {
    background-color: #1a1a1a;
    color: #e0e0e0;
  }

  header,
  .logo-banner {
    background-color: #111;
  }
}

.dark-mode {
  background-color: #1a1a1a;
  color: #e0e0e0;
}

.dark-mode header,
.dark-mode .logo-banner {
  background-color: #111;
}