body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    background: #f8f9fb;
    color: #222;
}

header {
    background: #0f2a44;
    color: white;
    padding: 25px;
}

header h1 {
    margin: 0;
    font-size: 28px;
}

nav {
    margin-top: 10px;
}

nav a {
    color: white;
    margin-right: 18px;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

.container {
    max-width: 900px;
    margin: auto;
    padding: 40px 20px;
}

h2 {
    margin-top: 30px;
}

.button {
    display: inline-block;
    background: #2a72c5;
    color: white;
    padding: 12px 20px;
    margin: 10px 10px 0 0;
    text-decoration: none;
    border-radius: 4px;
}

.button:hover {
    background: #1c5aa5;
}

footer {
    margin-top: 60px;
    background: #efefef;
    padding: 20px;
    text-align: center;
    font-size: 14px;
}