:root {
    --primary-color: #0A2463;
    --secondary-color: #1E1E1E;
    --accent-color: #39FF14;
    --hover-color: #FF8C00;
    --background-gradient: linear-gradient(135deg, #0A2463, #1E1E1E);
    --shadow-light: rgba(255, 255, 255, 0.1);
    --shadow-dark: rgba(0, 0, 0, 0.3);
}

body {
    margin: 0;
    font-family: 'Roboto Mono', sans-serif;
    background: var(--background-gradient);
    color: white;
    line-height: 1.6;
    padding: 20px;
    overflow-x: hidden;
}

header {
    text-align: center;
    padding: 40px 20px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

header h1 {
    font-family: 'CustomHandwriting', cursive;
    font-size: 2.5rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent-color);
    text-shadow: 2px 2px 4px var(--shadow-dark);
}

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

.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px var(--shadow-dark);
    transition: transform 0.3s ease-in-out, background 0.3s ease-in-out;
}

.card:hover {
    transform: scale(1.05);
    background: rgba(57, 255, 20, 0.2);
}

.card img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 10px;
}

h2, h3, h4 {
    font-family: 'CustomHandwriting', cursive;
    color: var(--accent-color);
    margin-top: 20px;
}

p {
    font-size: 1rem;
    margin-bottom: 15px;
}

pre {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    color: var(--accent-color);
    font-family: 'Roboto Mono', monospace;
    font-size: 0.9rem;
}

.parallax {
    height: 50vh;
    background-image: url('https://images.gptkong.com/demo/sample1.png');
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
    margin: 40px 0;
}

.icon-circle {
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.icon-circle::before {
    content: '';
    width: 30px;
    height: 30px;
    background: white;
    border-radius: 50%;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    .container {
        grid-template-columns: 1fr;
    }
    .parallax {
        height: 30vh;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5rem;
    }
    .card {
        padding: 15px;
    }
}