body {
    margin: 0;
    font-family: 'Roboto Mono', monospace;
    line-height: 1.6;
    color: #FFFFFF;
    background: linear-gradient(135deg, #1A1A1A, #4B0082);
    overflow-x: hidden;
}

header {
    position: relative;
    height: 100vh;
    background: url('https://images.gptkong.com/demo/sample1.png'), linear-gradient(135deg, #4B0082, #6F00FF);
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #FFFFFF;
}

header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    text-shadow: 0px 4px 10px rgba(0, 255, 127, 0.5);
}

header p {
    font-size: 1.2rem;
    margin-top: 20px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(26, 26, 26, 0.9);
    padding: 10px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar a {
    color: #FFFFFF;
    margin: 0 15px;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.navbar a:hover {
    color: #00FF7F;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.grid-item {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.grid-item:hover {
    transform: scale(1.05);
    box-shadow: 0px 10px 20px rgba(0, 255, 127, 0.5);
}

.grid-item img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 10px;
}

.gradient-box {
    width: 100%;
    height: 150px;
    background: radial-gradient(circle, rgba(75, 0, 130, 0.8), rgba(111, 0, 255, 0.5));
    border-radius: 10px;
    margin-bottom: 20px;
}

.button {
    background-color: #00FF7F;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    color: #1A1A1A;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.button:hover {
    transform: scale(1.1);
    box-shadow: 0px 10px 20px rgba(0, 255, 127, 0.5);
}

code {
    background-color: rgba(0, 255, 127, 0.2);
    padding: 5px;
    border-radius: 5px;
    font-family: 'Roboto Mono', monospace;
    color: #FFFFFF;
}

pre {
    background-color: rgba(26, 26, 26, 0.8);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    margin: 20px 0;
}

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

    .navbar {
        flex-direction: column;
        padding: 10px 0;
    }

    .navbar a {
        margin: 5px 0;
    }
}

footer {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, #4B0082, #6F00FF);
    color: #FFFFFF;
    margin-top: 50px;
}

footer p {
    font-size: 0.9rem;
}