body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

header {
    background: #0a2540;
    color: #fff;
    padding: 15px 0;
}

header h2 {
    margin: 0;
    display: inline-block;
}

nav {
    float: right;
}

nav a {
    color: #fff;
    margin-left: 15px;
    text-decoration: none;
    font-weight: 500;
}

main {
    background: #fff;
    padding: 40px 0;
    min-height: 60vh;
}

footer {
    background: #0a2540;
    color: #fff;
    text-align: center;
    padding: 15px 0;
}