body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f5f5f5;
    color: #222;
    line-height: 1.6;
}

header {
    background: #003366;
    padding: 25px;
    text-align: center;
    color: white;
}

nav {
    background: #002244;
    padding: 12px;
    text-align: center;
}
nav a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
}
nav a:hover {
    text-decoration: underline;
}

section {
    padding: 40px 20px;
    max-width: 1000px;
    margin: 25px auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h2 {
    color: #003366;
}

footer {
    background: #003366;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}
