body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    color: #e0e0e0;
    background: linear-gradient(135deg, #000000 0%, #0a2647 50%, #1e90ff 100%);
    line-height: 1.6;
    overflow-x: hidden;
}
header {
    text-align: center;
    padding: 40px 20px;
    background: rgba(0, 0, 0, 0.8);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}
header h1 {
    font-size: 36px;
    font-weight: bold;
    letter-spacing: 1px;
    color: #32CD32;
    margin-bottom: 10px;
}
header p {
    font-size: 18px;
    color: #ffffff;
    max-width: 800px;
    margin: 0 auto;
}
.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}
.module {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease-in-out;
}
.module:hover {
    transform: translateY(-5px);
}
.module img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 10px;
}
.module h2 {
    font-size: 24px;
    color: #ffffff;
    margin-bottom: 10px;
}
.module p {
    font-size: 16px;
    color: #e0e0e0;
}
.code-block {
    background: #0a2647;
    color: #ffffff;
    padding: 15px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    overflow-x: auto;
}
.wave-effect {
    animation: wave 2s infinite ease-in-out;
}
@keyframes wave {
    0% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0); }
}
footer {
    text-align: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.8);
    color: #ffffff;
    font-size: 14px;
}
@media (max-width: 768px) {
    header h1 {
        font-size: 28px;
    }
    .module h2 {
        font-size: 20px;
    }
    .code-block {
        font-size: 12px;
    }
}