body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0a0a2a, #1e1e40, #000000);
    color: #ffffff;
    overflow-x: hidden;
}

header {
    position: relative;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: radial-gradient(circle, rgba(34, 34, 85, 0.8), transparent), url('https://images.gptkong.com/demo/sample1.png') no-repeat center/cover;
    animation: aurora-move 15s linear infinite;
}

@keyframes aurora-move {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

header h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 4rem;
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.5);
}

header p {
    font-size: 1.2rem;
    margin-top: 10px;
    color: rgba(255, 255, 255, 0.8);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

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

.button {
    background-color: #d4af37;
    color: #ffffff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.button:hover {
    transform: scale(1.1);
    background-color: #b88b2f;
}

article {
    background: rgba(0, 0, 0, 0.6);
    padding: 30px;
    border-radius: 10px;
    margin: 20px 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

article h2, article h3 {
    font-family: 'Bebas Neue', sans-serif;
    color: #d4af37;
}

article code {
    background: rgba(255, 255, 255, 0.1);
    padding: 5px 10px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    color: #d4af37;
    display: block;
    margin: 10px 0;
    word-wrap: break-word;
}

article pre {
    background: rgba(0, 0, 0, 0.8);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

.loader {
    border: 8px solid #f3f3f3;
    border-top: 8px solid #3498db;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

footer {
    text-align: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.8);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 3rem;
    }

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

    article code {
        font-size: 0.9rem;
    }
}

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

    article h2 {
        font-size: 1.5rem;
    }

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