:root {
    --primary-color: #0A75AD;
    --secondary-color: #1E1E1E;
    --accent-color-1: #9B59B6;
    --accent-color-2: #34C759;
    --gradient-bg: linear-gradient(90deg, var(--primary-color), var(--accent-color-1));
    --box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
    --text-font: 'Inter', sans-serif;
    --title-font: 'Poppins', sans-serif;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--text-font);
    background: var(--secondary-color);
    color: white;
    line-height: 1.6;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--gradient-bg);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    padding: 1rem;
}

header h1 {
    font-family: var(--title-font);
    font-size: 1.5rem;
    text-align: center;
    margin: 0;
}

.container {
    max-width: 1200px;
    margin: 80px auto 20px;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.module {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease;
}

.module:hover {
    transform: translateY(-5px);
}

.module h2 {
    font-family: var(--title-font);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.module p {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--accent-color-2);
    color: white;
    border-radius: 5px;
    text-decoration: none;
    transition: box-shadow 0.3s ease;
}

.button:hover {
    box-shadow: 0 0 10px var(--accent-color-2);
}

code {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem;
    border-radius: 5px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    display: block;
    overflow-x: auto;
}

pre {
    margin: 1rem 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

table th, table td {
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem;
    text-align: left;
}

table th {
    background: var(--primary-color);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 1rem 0;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.2rem;
    }

    .container {
        grid-template-columns: 1fr;
    }

    code {
        font-size: 0.8rem;
    }
}