body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #fafafa;
  color: #333;
}

header {
  background: #004aad;
  color: white;
  padding: 20px;
  text-align: center;
}

nav a {
  color: white;
  margin: 0 10px;
  text-decoration: none;
  font-weight: bold;
}

.hero {
  padding: 60px;
  text-align: center;
  background: #e3f0ff;
}

footer {
  text-align: center;
  padding: 20px;
  background: #004aad;
  color: white;
  margin-top: 40px;
}