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

header {
  background: #002b45;
  color: white;
  padding: 20px;
  text-align: center;
}

header nav a {
  color: #aad8ff;
  margin: 0 15px;
  text-decoration: none;
}

.logo {
  width: 60px;
  margin-bottom: 10px;
}

main {
  padding: 20px;
  max-width: 800px;
  margin: auto;
}

footer {
  text-align: center;
  padding: 15px;
  background: #002b45;
  color: white;
  margin-top: 40px;
}