body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

.navbar {
    background: linear-gradient(135deg, #d32027 0%, #a2181d 100%);
    overflow: hidden;
    padding: 12px 18px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(16, 24, 32, 0.08);
}

.navbar a {
    float: left;
    display: block;
    color: #fff;
    text-align: center;
    padding: 12px 16px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: background 160ms ease;
}

.navbar a:hover,
.navbar a:focus {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.menu-icon {
    display: none;
    cursor: pointer;
}

@media only screen and (max-width: 768px) {
    .navbar a {
        display: none;
    }

    .menu-icon {
        display: block;
    }

    .menu-items {
        display: none;
    }

    .menu-items.show {
        display: block;
    }
}