body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f8f8f8;
  color: #333;
}
header {
  background-color: #003366;
  color: white;
  padding: 20px;
  text-align: center;
}
.logo {
  max-width: 200px;
  margin-bottom: 10px;
}
nav {
  background-color: #0059b3;
  text-align: center;
  padding: 10px;
}
nav a {
  color: white;
  margin: 0 15px;
  text-decoration: none;
  font-weight: bold;
}
main {
  padding: 20px;
}
section {
  background: white;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 6px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
footer {
  text-align: center;
  padding: 20px;
  background: #003366;
  color: white;
}