/* Reset CSS */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #00C9FF, #92FE9D);
        color: #fff;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 20px;
    }

    header {
        font-family: 'Poppins', sans-serif;
        font-size: 2.5rem;
        margin-bottom: 20px;
        text-align: center;
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 15px;
        backdrop-filter: blur(10px);
    }

    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        width: 100%;
        max-width: 1200px;
    }

    .card {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        backdrop-filter: blur(10px);
        padding: 20px;
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: scale(1.05);
        box-shadow: 0 8px 50px rgba(0, 0, 0, 0.3);
    }

    h2, h3, h4 {
        font-family: 'Poppins', sans-serif;
        margin-bottom: 10px;
    }

    p {
        margin-bottom: 15px;
        line-height: 1.6;
    }

    pre {
        background: rgba(0, 0, 0, 0.5);
        padding: 10px;
        border-radius: 10px;
        overflow-x: auto;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 15px;
    }

    table, th, td {
        border: 1px solid #fff;
    }

    th, td {
        padding: 10px;
        text-align: left;
    }

    img {
        width: 100%;
        border-radius: 10px;
        margin-bottom: 10px;
    }

    .not-main {
        background: rgba(0, 0, 0, 0.3);
        padding: 15px;
        border-radius: 10px;
        margin-top: 30px;
    }

    .not-main h2 {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }

    .footer {
        margin-top: 40px;
        font-size: 1rem;
    }

    @media (max-width: 768px) {
        header {
            font-size: 2rem;
        }

        h2 {
            font-size: 1.5rem;
        }

        h3 {
            font-size: 1.2rem;
        }
    }

    @media (max-width: 480px) {
        header {
            font-size: 1.5rem;
        }

        h2 {
            font-size: 1.2rem;
        }

        h3 {
            font-size: 1rem;
        }

        .card {
            padding: 15px;
        }
    }