body {
  font-family: "Segoe UI", sans-serif;
  margin: 0;
  padding: 0;
  background: #f9f9f9;
  color: #333;
}

header {
  background: #003366;
  color: white;
  padding: 2rem;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
}

.subtitle {
  font-size: 1.2rem;
  margin-top: 0.5rem;
}

main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

section {
  margin-bottom: 2.5rem;
}

h2 {
  color: #003366;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

ul {
  padding-left: 1.2rem;
}

.button {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.6rem 1rem;
  background: #0055aa;
  color: white;
  text-decoration: none;
  border-radius: 4px;
}

.button:hover {
  background: #003f7f;
}

footer {
  background: #eee;
  padding: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: #555;
}