:root {
    --main-bg: linear-gradient(135deg, #1e1e2f 0%, #2a2a40 100%);
    --secondary-bg: #ffffff;
    --accent-color: #6a5acd;
    --neon-blue: #00ffff;
    --dark-purple: #4b0082;
    --font-title: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --code-bg: rgba(0, 0, 0, 0.7);
    --code-text: #ffffff;
}

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--main-bg);
    color: var(--secondary-bg);
    line-height: 1.6;
}

header {
    text-align: center;
    padding: 2rem 1rem;
    background: linear-gradient(90deg, var(--neon-blue), var(--dark-purple));
    color: var(--secondary-bg);
}

header h1 {
    font-family: var(--font-title);
    font-weight: bold;
    font-size: 2.5rem;
    margin: 0;
}

section {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--secondary-bg);
    color: #000;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
}

.card img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

.card-content {
    padding: 1rem;
}

.card h3 {
    font-family: var(--font-title);
    font-size: 1.5rem;
    margin: 0 0 0.5rem;
}

.card p {
    margin: 0;
    font-size: 1rem;
}

article {
    background: var(--secondary-bg);
    color: #000;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

article h2, article h3 {
    font-family: var(--font-title);
    color: var(--accent-color);
}

article pre {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
    font-size: 0.9rem;
}

article code {
    font-family: 'Courier New', Courier, monospace;
    background: var(--code-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
}

footer {
    text-align: center;
    padding: 1rem;
    background: var(--main-bg);
    color: var(--secondary-bg);
    font-size: 0.9rem;
}

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

    section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.8rem;
    }

    article pre {
        font-size: 0.8rem;
    }
}