body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1A1A37, #2C3E50);
    color: #FFFFFF;
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(26, 26, 55, 0.9);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

header nav a {
    text-decoration: none;
    color: #00FFFF;
    font-weight: bold;
    transition: color 0.3s ease-in-out;
}

header nav a:hover {
    color: #00FF99;
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 4rem 2rem;
}

.hero {
    background: radial-gradient(circle, rgba(0, 255, 255, 0.3), transparent),
                linear-gradient(135deg, #1A1A37, #2C3E50);
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    border-radius: 10px;
}

.hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    color: #FFFFFF;
    text-align: center;
    z-index: 2;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, rgba(0, 255, 255, 0.8), transparent);
    transform: translate(-50%, -50%) rotate(45deg);
    animation: spin 10s linear infinite;
    z-index: 1;
}

@keyframes spin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.card {
    background: linear-gradient(135deg, #2C3E50, #1A1A37);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.4);
}

.image-section img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
}

.text-section {
    margin-top: -30px;
    z-index: 2;
    background: rgba(0, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 10px;
}

.code-block {
    background: #0D1117;
    color: #00FFFF;
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2rem;
    }
}