body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    color: #FFFFFF;
    background: radial-gradient(circle, #0A2463, #5C3399);
    line-height: 1.6;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 36, 99, 0.9);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    z-index: 1000;
}

header h1 {
    font-family: 'Montserrat', sans-serif;
    font-weight: bold;
    font-size: 24px;
    color: #39FF14;
    margin: 0;
}

nav a {
    color: #FF1493;
    text-decoration: none;
    margin-left: 20px;
    font-weight: bold;
}

main {
    margin-top: 80px;
    padding: 20px;
}

h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: bold;
    color: #39FF14;
    margin-top: 30px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
}

.card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    padding: 15px;
}

.card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

pre {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    color: #39FF14;
    font-family: 'Fira Code', monospace;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }
}

footer {
    text-align: center;
    padding: 20px;
    background: rgba(10, 36, 99, 0.9);
    margin-top: 40px;
}