body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f7f9fc;
    color: #222;
}

header {
    background: #0a3d62;
    padding: 20px;
}

header h1 {
    color: #fff;
    margin: 0;
    font-size: 26px;
}

nav {
    margin-top: 10px;
}

nav a {
    color: #dfe6e9;
    margin-right: 20px;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    color: #81ecec;
}

.container {
    width: 90%;
    max-width: 900px;
    margin: 40px auto;
}

h2 {
    color: #0a3d62;
    margin-bottom: 10px;
}

footer {
    background: #0a3d62;
    color: #fff;
    text-align: center;
    padding: 20px;
    margin-top: 60px;
}