body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f4f6fa;
    color: #222;
}

header {
    background-color: #222e50;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2.5em;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 15px 0 0 0;
    display: flex;
    justify-content: center;
    gap: 30px;
}

nav a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s;
}

nav a:hover {
    color: #ffb400;
}

main {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(34, 46 , 80, 0.08);
}

section h2 {
    color: #222e50;
    margin-top: 0;
}

footer {
    background-color: #222e50;
    color: #fff;
    text-align: center;
    padding: 15px 0;
    position: relative;
    width: 100%;
    bottom: 0;
}