body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: radial-gradient(circle, #000046, #1cb5e0);
    color: white;
    overflow-x: hidden;
}

.header {
    position: relative;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(to bottom, #000046, transparent), url('https://images.gptkong.com/demo/sample1.png');
    background-size: cover;
    animation: aurora-move 15s linear infinite;
}

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

.header h1 {
    font-family: 'Glacial Indifference', sans-serif;
    font-size: 4rem;
    color: white;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

.content {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.module {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    margin-bottom: 20px;
    padding: 20px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

.module h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.module p {
    line-height: 1.6;
    font-size: 1rem;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 20px;
}

.image-gallery img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    transition: transform 0.3s ease-in-out;
}

.image-gallery img:hover {
    transform: scale(1.1);
}

.code-block {
    background: rgba(0, 0, 0, 0.5);
    color: #00ff00;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
}

.footer {
    text-align: center;
    padding: 10px;
    background: linear-gradient(to right, #1cb5e0, #000046);
    color: white;
    position: relative;
    bottom: 0;
    width: 100%;
}

.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: black;
    color: #fff;
    text-align: center;
    padding: 5px 0;
    border-radius: 6px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
}

.tooltip:hover .tooltiptext {
    visibility: visible;
}

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

    .module {
        padding: 15px;
    }

    .code-block {
        font-size: 0.8rem;
    }
}