body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #007acc, #8e44ad);
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    text-align: center;
    padding: 40px 20px;
    background: rgba(0, 0, 0, 0.3);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

header h1 {
    font-size: 2.5rem;
    margin: 0;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
}

header p {
    font-size: 1rem;
    margin-top: 10px;
    opacity: 0.8;
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.3);
    padding: 20px;
    transition: transform 0.3s ease-in-out;
}

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

.card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 15px;
}

.card h3 {
    font-size: 1.2rem;
    margin: 0 0 10px;
    color: #fff;
}

.card p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.section {
    padding: 40px 20px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 15px;
    margin: 20px 0;
}

.section h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    text-align: center;
}

.section article {
    max-width: 1200px;
    margin: 0 auto;
    font-size: 1rem;
    line-height: 1.8;
}

pre {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
}

code {
    color: #00ff88;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

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

    .section h2 {
        font-size: 1.5rem;
    }

    pre {
        font-size: 0.8rem;
    }
}

footer {
    text-align: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    margin-top: 20px;
    border-radius: 15px;
}

footer p {
    font-size: 0.9rem;
    opacity: 0.8;
}