body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0A192F, #171C28);
    color: #fff;
    line-height: 1.6;
}

header {
    background: linear-gradient(45deg, #64FFDA, #D63AF9);
    padding: 20px;
    text-align: center;
    font-size: 2rem;
    font-weight: bold;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent);
    animation: waveEffect 10s infinite linear;
    transform-origin: 50% 50%;
}

@keyframes waveEffect {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

.card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: calc(33.333% - 40px);
    margin: 20px;
    padding: 20px;
    background: #171C28;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease-in-out;
    position: relative;
}

.card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
}

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

.card h3 {
    margin-top: 10px;
    font-size: 1.2rem;
    color: #64FFDA;
}

.card p {
    font-size: 0.9rem;
    color: #ccc;
    text-align: center;
}

@media (max-width: 1024px) {
    .card {
        width: calc(50% - 40px);
    }
}

@media (max-width: 768px) {
    .card {
        width: 100%;
    }
}

code {
    background: #1E2A38;
    color: #64FFDA;
    padding: 2px 5px;
    border-radius: 5px;
    font-family: 'Consolas', monospace;
}

pre {
    background: #1E2A38;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table th, table td {
    border: 1px solid #64FFDA;
    padding: 10px;
    text-align: center;
    color: #ccc;
}

table th {
    background: #1E2A38;
    color: #64FFDA;
}

footer {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, #0A192F, #171C28);
    color: #64FFDA;
    font-size: 0.9rem;
}