body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  color: #333;
}

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

nav {
  background-color: #033e8c;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

nav a {
  color: white;
  text-decoration: none;
  padding: 1rem;
  display: block;
}

nav a:hover {
  background-color: #005fff;
}

.container {
  padding: 1.5rem;
  max-width: 960px;
  margin: auto;
  background: white;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  margin-top: 1rem;
}

footer {
  background-color: #222;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}

@media (max-width: 600px) {
  nav a {
    padding: 0.8rem;
    font-size: 0.9rem;
  }

  .container {
    padding: 1rem;
  }
}