body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: 'Roboto', 'Montserrat', sans-serif;
    color: #ffffff;
    background-color: #0a0a0a;
    overflow-x: hidden;
}

header {
    position: relative;
    height: 100vh;
    background: linear-gradient(135deg, #0d1b2a, #162447);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 255, 255, 0.2) 10%, transparent 10.01%);
    animation: moveBackground 20s linear infinite;
    transform-origin: 50% 50%;
}

@keyframes moveBackground {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

header h1 {
    font-size: 3rem;
    letter-spacing: 2px;
    text-shadow: 0 0 10px #00ffff, 0 0 20px #00ffff;
    z-index: 10;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

.section {
    padding: 40px 0;
    background-color: #162447;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.section:nth-child(even) {
    background-color: #0d1b2a;
}

.section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 255, 255, 0.1) 10%, transparent 10.01%);
    transform: rotate(45deg);
    animation: floatBackground 15s linear infinite;
}

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

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.card {
    background-color: #1e293b;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 255, 255, 0.5);
}

.card img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.card:hover img {
    opacity: 1;
}

.card-content {
    padding: 15px;
    text-align: center;
}

.parallax {
    position: relative;
    z-index: 1;
    transition: transform 0.1s linear;
}

.data-stream {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, #00ffff, transparent);
    animation: flow 5s linear infinite;
}

@keyframes flow {
    0% { transform: translateY(0); }
    100% { transform: translateY(100vh); }
}

article {
    background-color: #1e293b;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    margin-top: 20px;
}

article h2, article h3 {
    color: #00ffff;
    margin-bottom: 15px;
}

article p {
    line-height: 1.6;
    margin-bottom: 20px;
}

pre {
    background-color: #0f172a;
    color: #00ffff;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #0d1b2a;
    margin-top: 40px;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

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

    .card {
        margin-bottom: 20px;
    }
}

@media (min-width: 1024px) {
    .grid-container {
        grid-template-columns: repeat(3, 1fr);
    }
}