body {
    margin: 0;
    font-family: 'Lato', sans-serif;
    background: radial-gradient(circle, #123456, #7834AB);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(135deg, #003366, #660099);
    text-align: center;
    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: 'Roboto', sans-serif;
    font-weight: bold;
    font-size: 48px;
    color: #FFA500;
    margin-bottom: 20px;
}

header p {
    font-size: 18px;
    color: #f0f0f0;
    max-width: 600px;
}

.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 20px;
}

.card {
    background: linear-gradient(135deg, #333366, #444488);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin: 15px;
    padding: 20px;
    width: 300px;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: scale(1.05);
}

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

.card h2 {
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    font-size: 24px;
    color: #FFA500;
    margin-bottom: 10px;
}

.card p {
    font-size: 14px;
    color: #cccccc;
}

.button {
    background: linear-gradient(135deg, #FF9800, #FFC107);
    color: #ffffff;
    border: none;
    border-radius: 5px;
    padding: 10px 20px;
    cursor: pointer;
    transition: background 0.3s ease;
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    margin-top: 20px;
}

.button:hover {
    background: linear-gradient(135deg, #FFC107, #FF9800);
}

.article {
    background: linear-gradient(135deg, #222244, #333366);
    padding: 20px;
    border-radius: 10px;
    margin: 20px;
    color: #ffffff;
}

.article h2 {
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    color: #FFA500;
    margin-bottom: 15px;
}

.article pre {
    background: #222244;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
}

.article code {
    color: #FFA500;
    font-family: 'Courier New', Courier, monospace;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 36px;
    }

    .card {
        width: 100%;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 28px;
    }

    .card {
        padding: 15px;
    }

    .article pre {
        font-size: 12px;
    }
}