body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    color: #fff;
    line-height: 1.6;
}

header {
    text-align: center;
    padding: 50px 20px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0));
    position: relative;
}

header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    color: #39ff14;
    text-shadow: 0 0 10px #39ff14, 0 0 20px #39ff14;
    margin: 0;
}

header p {
    font-size: 1.2rem;
    color: #dcdcdc;
    margin-top: 10px;
}

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

.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
}

.card img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 15px;
}

.card h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    color: #00d2ff;
    margin-top: 0;
}

.card p {
    font-size: 1rem;
    color: #dcdcdc;
}

.highlight {
    color: #39ff14;
    font-weight: bold;
}

code {
    display: block;
    background: rgba(0, 0, 0, 0.8);
    color: #39ff14;
    padding: 10px;
    border-radius: 6px;
    font-family: 'Courier New', Courier, monospace;
    overflow-x: auto;
}

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

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

.button {
    display: inline-block;
    padding: 10px 20px;
    background: linear-gradient(135deg, #39ff14, #00d2ff);
    color: #000;
    font-weight: bold;
    border-radius: 25px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.button:hover::before {
    width: 200%;
    height: 200%;
}