:root {
        --primary-color: #0A192F;
        --secondary-color: #E0E0E0;
        --accent-gradient: linear-gradient(135deg, #6C5CE7, #00BFFF);
        --emphasis-color: #FFC300;
        --font-primary: 'Roboto', sans-serif;
        --font-secondary: 'Lato', sans-serif;
    }

    body {
        margin: 0;
        padding: 0;
        background: var(--primary-color);
        color: var(--secondary-color);
        font-family: var(--font-secondary);
    }

    header {
        text-align: center;
        padding: 60px 20px;
        background: var(--accent-gradient);
        color: white;
    }

    header h1 {
        font-family: var(--font-primary);
        font-size: 2.5em;
        margin-bottom: 10px;
    }

    section {
        padding: 40px 20px;
        max-width: 1200px;
        margin: auto;
    }

    .card {
        background: #1E2A38;
        border-radius: 10px;
        padding: 20px;
        margin: 20px 0;
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        transition: transform 0.3s;
    }

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

    h2, h3 {
        font-family: var(--font-primary);
        color: var(--emphasis-color);
    }

    pre {
        background: #0A192F;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        color: #E0E0E0;
    }

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

    img {
        max-width: 100%;
        height: auto;
        border-radius: 8px;
    }

    .gallery {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 10px;
    }

    .gallery img {
        width: 100%;
        height: auto;
        border-radius: 5px;
    }

    footer {
        text-align: center;
        padding: 20px;
        background: #0A192F;
        color: var(--secondary-color);
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }
        .card {
            padding: 15px;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.5em;
        }
        section {
            padding: 20px 10px;
        }
    }