body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #001f3f, #000000);
    color: white;
    overflow-x: hidden;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: rgba(0, 31, 63, 0.8);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}
header h1 {
    font-size: 24px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #00ff80;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}
nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 16px;
    position: relative;
    transition: color 0.3s ease;
}
nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #00ff80;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}
nav ul li a:hover {
    color: #00ff80;
}
nav ul li a:hover::after {
    transform: scaleX(1);
}
.container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
    padding: 40px;
}
.hero {
    grid-column: span 12;
    text-align: center;
    padding: 40px;
    background: radial-gradient(circle, rgba(0, 31, 63, 0.8), transparent);
    border-radius: 10px;
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}
.hero h2 {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #00ff80;
}
.hero p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 30px;
}
.hero .cta-button {
    background: #ff9900;
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.3s ease;
}
.hero .cta-button:hover {
    background: #ffcc00;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 255, 128, 0.1), transparent);
    animation: aurora-move 15s linear infinite;
    z-index: -1;
}
@keyframes aurora-move {
    0% { transform: translateX(-50%) translateY(0); }
    100% { transform: translateX(-50%) translateY(-100%); }
}
.module {
    grid-column: span 4;
    background: rgba(0, 0, 0, 0.7);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}
.module:hover {
    transform: translateY(-10px);
}
.module img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}
.module h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #00ff80;
}
.module p {
    font-size: 14px;
    line-height: 1.4;
}
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
        padding: 20px;
    }
    .module {
        grid-column: span 12;
    }
}
pre code {
    display: block;
    background: rgba(0, 0, 0, 0.8);
    padding: 15px;
    border-radius: 5px;
    font-size: 14px;
    color: #00ff80;
    overflow-x: auto;
    white-space: pre-wrap;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
table th, table td {
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px;
    text-align: left;
    color: #00ff80;
}
footer {
    background: rgba(0, 31, 63, 0.9);
    padding: 20px;
    text-align: center;
    color: white;
    font-size: 14px;
}