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

header {
    background: #1e2a38;
    color: white;
    text-align: center;
    padding: 60px 20px;
}

.btn {
    background: #ff9800;
    color: white;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
}

nav {
    background: #2f4054;
    text-align: center;
    padding: 12px;
}

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

section {
    padding: 40px;
    max-width: 1000px;
    margin: 20px auto;
    background: white;
    border-radius: 10px;
}

footer {
    text-align: center;
    padding: 20px;
    background: #1e2a38;
    color: white;
}