body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f9f9f9;
    margin: 0;
    color: #222;
}

header {
    background: #355c7d;
    color: #fff;
    padding: 2rem 1rem 1rem 1rem;
    text-align: center;
}

header h1 {
    margin: 0 0 1rem 0;
    font-size: 2.2rem;
}

nav {
    margin-bottom: 0.5rem;
}

nav a {
    color: #fff;
    margin: 0 1rem;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover, .highlight-btn:hover {
    color: #f67280;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 2rem 0;
}

.card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(41, 50, 65, 0.1);
    padding: 2rem;
    margin-bottom: 2rem;
    width: 90%;
    max-width: 600px;
    text-align: center;
}

.highlight-btn {
    display: inline-block;
    margin-top: 1rem;
    background: #f67280;
    color: #fff !important;
    padding: 0.8rem 1.6rem;
    border-radius: 5px;
    font-weight: bold;
    text-decoration: none;
    transition: background 0.2s;
}

.highlight-btn:hover {
    background: #355c7d;
    color: #fff;
}

footer {
    background: #22223b;
    color: #fff;
    padding: 1rem;
    text-align: center;
}