body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(to bottom, #000428, #004e92);
    color: white;
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    text-align: center;
    padding: 50px 20px;
    background: rgba(0, 0, 0, 0.2);
}

header h1 {
    font-size: 3em;
    font-weight: bold;
    color: #39FF14;
    margin: 0;
}

header p {
    font-size: 1.2em;
    margin-top: 10px;
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
}

.card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: scale(1.05);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent);
    transform: scale(0);
    transition: transform 0.5s ease;
}

.card:hover::before {
    transform: scale(2);
}

button {
    background-color: #39FF14;
    color: black;
    border: none;
    padding: 10px 20px;
    font-size: 1em;
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease;
    border-radius: 5px;
}

button:hover {
    transform: scale(1.1);
    background-color: #00ff00;
}

article {
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 10px;
    margin: 20px;
}

article h2, article h3 {
    color: #39FF14;
}

article pre {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

article code {
    color: #FFD700;
}

.particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: white;
    border-radius: 50%;
    animation: particle 5s infinite;
}

@keyframes particle {
    0% { transform: translate(0, 0); opacity: 1; }
    100% { transform: translate(-100px, -100px); opacity: 0; }
}

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

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