body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f7f7f7;
}

header {
    background-color: #003366;
    color: white;
    padding: 1rem;
    text-align: center;
}

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

.hero {
    background: url('hero-placeholder.jpg') no-repeat center center;
    background-size: cover;
    padding: 100px 20px;
    text-align: center;
    color: white;
    background-color: #004080;
}

section {
    padding: 2rem;
    background-color: white;
    margin-bottom: 10px;
}

footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 1rem;
}