body {
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background: #fdfdfd;
  color: #333;
}

header {
  background-color: #004d40;
  color: white;
  padding: 2rem 1rem;
  text-align: center;
}

section {
  padding: 1.5rem;
  max-width: 800px;
  margin: auto;
}

h2 {
  color: #00695c;
  border-bottom: 2px solid #e0f2f1;
  padding-bottom: 0.3rem;
}

ul {
  padding-left: 1.2rem;
}

a {
  color: #00796b;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  font-size: 0.9rem;
  color: #777;
  padding: 1rem;
  border-top: 1px solid #ddd;
  margin-top: 2rem;
}