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

.header {
  background-color: #3268a8;
  color: white;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header nav a {
  color: white;
  margin-left: 1rem;
  text-decoration: none;
  font-weight: 500;
}

.hero {
  background: #f4f6f8;
  padding: 3rem 1rem;
  text-align: center;
}

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

footer {
  background: #eee;
  text-align: center;
  padding: 1rem;
}