body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #121212, #1E1E1E);
    color: #E0E0E0;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
}

header {
    width: 100%;
    background: linear-gradient(90deg, #0074D9, #1E90FF);
    padding: 20px 10px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

header h1 {
    font-size: 2rem;
    font-weight: bold;
    margin: 0;
    color: #FFFFFF;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

main {
    max-width: 1440px;
    width: 95%;
    margin: 20px auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.module {
    background: linear-gradient(135deg, #2C3E50, #34495E);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.module:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.module h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #00BFFF;
}

.module p {
    font-size: 1rem;
    color: #D3D3D3;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.image-gallery img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.image-gallery img:hover {
    transform: scale(1.1);
}

article {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
    max-width: 1200px;
    width: 100%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

article h2 {
    font-size: 2rem;
    color: #FFFFFF;
    margin-bottom: 15px;
}

article p, article li {
    font-size: 1rem;
    color: #E0E0E0;
    margin-bottom: 10px;
}

article pre {
    background: #1E1E1E;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    color: #00BFFF;
}

article code {
    color: #00BFFF;
    font-weight: bold;
}

footer {
    text-align: center;
    padding: 20px;
    background: linear-gradient(90deg, #0074D9, #1E90FF);
    color: #FFFFFF;
    width: 100%;
    margin-top: auto;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }

    main {
        grid-template-columns: 1fr;
        padding: 10px;
    }

    .module {
        padding: 15px;
    }

    article h2 {
        font-size: 1.5rem;
    }

    article p, article li {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.2rem;
    }

    footer {
        font-size: 0.9rem;
    }
}