body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0d47a1, #424242);
        color: #ffffff;
        line-height: 1.6;
    }

    header {
        background: rgba(0, 0, 0, 0.7);
        padding: 20px;
        text-align: center;
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    header h1 {
        font-size: 2.5em;
        margin: 0;
        font-weight: bold;
        color: #ffffff;
    }

    header p {
        font-size: 1.2em;
        color: #b0bec5;
    }

    nav ul {
        list-style: none;
        padding: 0;
        display: flex;
        justify-content: center;
        margin-top: 10px;
    }

    nav ul li {
        margin: 0 15px;
    }

    nav ul li a {
        text-decoration: none;
        color: #ffffff;
        font-weight: 500;
        transition: color 0.3s;
    }

    nav ul li a:hover {
        color: #ffab00;
    }

    .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        padding: 60px 10%;
    }

    .module {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        backdrop-filter: blur(10px);
    }

    .module h2 {
        font-size: 2em;
        margin-bottom: 20px;
        color: #ffab00;
    }

    .module p {
        font-size: 1em;
        color: #eceff1;
    }

    pre {
        background: #263238;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    code {
        color: #ffab00;
        font-family: 'Courier New', Courier, monospace;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    table th, table td {
        border: 1px solid #546e7a;
        padding: 10px;
        text-align: left;
    }

    table th {
        background: #37474f;
    }

    table td {
        background: #455a64;
    }

    img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 10px;
    }

    .button-primary {
        display: inline-block;
        padding: 10px 20px;
        background-color: #007BFF;
        color: #ffffff;
        border: none;
        border-radius: 50px;
        cursor: pointer;
        transition: all 0.3s ease;
        text-decoration: none;
    }

    .button-primary:hover {
        background-color: #0056b3;
        transform: scale(1.1);
    }

    footer {
        background: rgba(0, 0, 0, 0.7);
        text-align: center;
        padding: 20px;
        position: relative;
        bottom: 0;
        width: 100%;
    }

    footer p {
        color: #b0bec5;
        margin: 0;
    }

    @media (max-width: 1200px) {
        .container {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }

        .module h2 {
            font-size: 1.5em;
        }

        nav ul {
            flex-direction: column;
        }

        nav ul li {
            margin: 10px 0;
        }
    }

    @media (max-width: 480px) {
        header p {
            font-size: 1em;
        }

        .module p, .module h2 {
            font-size: 0.9em;
        }

        .button-primary {
            padding: 8px 16px;
            font-size: 0.9em;
        }
    }

    @media (max-width: 320px) {
        .container {
            padding: 30px 5%;
        }

        header h1 {
            font-size: 1.8em;
        }

        .module h2 {
            font-size: 1.2em;
        }
    }