body, html {
        font-family: Arial, sans-serif;
        margin: 0;
        padding: 0;
        line-height: 1.6;
        background-color: #f9f9f9;
        color: #333;
        display: flex;
        flex-direction: column;
        min-height: 100vh;
    }

    .hover-scale:hover {
        transform: scale(1.05);
    }

    /* Header Styles */
    header {
        background-color: #c0e6f5;
        color: white;
        padding: 15px 0;
        text-align: center;
    }

    header .header-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 50px;
        flex-wrap: wrap;
    }

    header .header-logo img {
        width: 220px;
        height: auto;
        margin-right: 10px;
    }

    header nav ul {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        gap: 20px;
    }

    header nav ul li a {
        color: white;
        text-decoration: none;
        font-size: 18px;
        transition: color 0.3s;
    }

    header nav ul li a:hover {
        color: #ffcc00;
        text-decoration: underline;
    }

    /* Main Section */
    main {
        padding: 40px 20px;
        flex-grow: 1;
    }

    h1.test-name {
        font-size: 32px;
        font-weight: bold;
        margin-bottom: 20px;
        color: #0077b6;
    }

    /* Card Styles */
    .card {
        background-color: #fff;
        border-radius: 15px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        margin: 30px 0;
        padding: 30px;
        width: 100%;
        max-width: 400px;
        text-align: center;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        cursor: pointer;
    }

    .card:hover {
        transform: scale(1.05);
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    }

    .card h3 {
        font-size: 24px;
        color: #0077b6;
        margin-bottom: 15px;
    }

    .card p {
        font-size: 16px;
        color: #555;
    }

    /* Footer Styles */
    footer {
        background-color: #3b727f;
        color: white;
        padding: 20px 0;
        text-align: center;
        flex-shrink: 0;
    }

    footer p {
        font-size: 16px;
    }

    footer a {
        color: white;
        font-weight: bold;
        text-decoration: none;
    }

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

    /* Responsive */
    @media (max-width: 768px) {
        header .header-content {
            flex-direction: column;
        }

        header nav ul {
            justify-content: center;
        }

        .card {
            max-width: 100%;
            margin: 15px 0;
        }
    }

    @media (max-width: 480px) {
        h1.test-name {
            font-size: 28px;
        }

        footer p {
            font-size: 14px;
        }
    }