body {
    margin: 0;
    padding: 0;
    font-family: 'Helvetica', sans-serif;
    background: linear-gradient(135deg, #002244, #6600cc, #00cc99);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    color: #ffffff;
}
@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
header {
    text-align: center;
    padding: 50px 20px;
    background: rgba(0, 0, 0, 0.5);
}
header h1 {
    font-size: 3em;
    background: linear-gradient(90deg, #00ccff, #ff6600);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
}
.module {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    transition: transform 0.3s;
}
.module:hover {
    transform: scale(1.05);
}
.module h2 {
    font-size: 1.5em;
    background: linear-gradient(90deg, #00ccff, #ff6600);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
pre {
    background: rgba(0,0,0,0.7);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}
a {
    color: #ff6600;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
footer {
    text-align: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.5);
    font-size: 1.2em;
}
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }
}