body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #00008B, #8A2BE2);
    color: white;
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    text-align: center;
    padding: 40px 20px;
    background: rgba(0, 0, 0, 0.6);
    position: relative;
}

header h1 {
    font-family: 'Fira Sans', sans-serif;
    font-size: 3rem;
    font-weight: bold;
    margin: 0;
    background: linear-gradient(90deg, #00FF7F, #FF4500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    font-size: 1.2rem;
    margin-top: 10px;
    opacity: 0.8;
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1440px;
    margin: 0 auto;
}

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

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

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

.card h2 {
    font-family: 'Fira Sans', sans-serif;
    font-size: 1.5rem;
    margin: 0 0 10px;
    color: #00FF7F;
}

.card p {
    font-size: 1rem;
    opacity: 0.9;
}

.button {
    display: inline-block;
    background: #00FF7F;
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.button:hover {
    background-color: #FF4500;
}

code {
    background: rgba(0, 0, 0, 0.5);
    color: #00FF7F;
    padding: 5px 10px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    display: block;
    margin: 10px 0;
    overflow-x: auto;
    white-space: pre-wrap;
}

pre {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
}

footer {
    text-align: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.8);
    margin-top: 40px;
}

footer p {
    font-size: 0.9rem;
    opacity: 0.7;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }

    .card h2 {
        font-size: 1.3rem;
    }

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

@media (max-width: 480px) {
    header h1 {
        font-size: 2rem;
    }

    .card h2 {
        font-size: 1.2rem;
    }
}