/* CSS Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Root Variables for Colors */
:root {
    --primary-color: #0A1F44;
    --neon-blue: #00FFFF;
    --neon-green: #00FF00;
    --purple: #8A2BE2;
    --text-color: #FFFFFF;
    --background-gradient: linear-gradient(135deg, #0A1F44, #00FFFF);
    --font-primary: 'Roboto', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
}

/* Body Styles */
body {
    background: var(--background-gradient);
    color: var(--text-color);
    font-family: var(--font-primary);
    line-height: 1.6;
    padding: 20px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    padding: 50px 0;
}

header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3em;
    color: var(--neon-green);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

header p {
    font-size: 1.2em;
    color: var(--neon-blue);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 31, 68, 0.8);
    z-index: 1000;
    padding: 10px 0;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: var(--text-color);
    text-decoration: none;
    font-family: var(--font-secondary);
    font-size: 1em;
    transition: color 0.3s ease, transform 0.3s ease;
}

nav ul li a:hover {
    color: var(--neon-green);
    transform: scale(1.1);
}

/* Main Content */
main {
    margin-top: 80px;
}

/* Section Titles */
h2, h3, h4 {
    font-family: var(--font-secondary);
    color: var(--neon-green);
    margin-bottom: 20px;
}

h2 {
    font-size: 2.5em;
    text-align: center;
}

h3 {
    font-size: 1.8em;
    margin-top: 40px;
}

h4 {
    font-size: 1.5em;
    margin-top: 30px;
}

/* Paragraphs */
p {
    font-size: 1em;
    margin-bottom: 20px;
    padding: 0 10px;
}

/* Code Blocks */
pre {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 20px;
}

code {
    color: var(--neon-green);
    font-family: 'Courier New', Courier, monospace;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

table th, table td {
    border: 1px solid var(--neon-blue);
    padding: 10px;
    text-align: left;
}

table th {
    background-color: rgba(0, 255, 0, 0.2);
}

table td {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Buttons */
button {
    background-color: var(--neon-blue);
    border: none;
    color: var(--text-color);
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

button:hover {
    transform: scale(1.1);
    background-color: var(--neon-green);
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px 0;
}

/* Sample Data Section */
.sample-data {
    background: rgba(10, 31, 68, 0.5);
    padding: 30px;
    border-radius: 10px;
    margin-top: 50px;
}

.sample-data h2 {
    text-align: left;
    color: var(--neon-blue);
    font-size: 2em;
}

.sample-data pre {
    background: rgba(0, 255, 0, 0.1);
    padding: 10px;
    border-radius: 5px;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px 0;
    margin-top: 50px;
    font-size: 0.9em;
    color: var(--neon-blue);
}

/* Responsive Design */

/* Mobile Devices (320px and up) */
@media (max-width: 320px) {
    header h1 {
        font-size: 2em;
    }
    nav ul {
        flex-direction: column;
    }
    nav ul li {
        margin: 10px 0;
    }
}

/* Large Mobile Devices (480px and up) */
@media (min-width: 321px) and (max-width: 480px) {
    header h1 {
        font-size: 2.5em;
    }
    main {
        padding: 10px;
    }
}

/* Tablets (768px and up) */
@media (min-width: 481px) and (max-width: 768px) {
    .container {
        padding: 20px;
    }
    h2 {
        font-size: 2.2em;
    }
    h3 {
        font-size: 1.5em;
    }
}

/* Medium Screens (1024px and up) */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 30px;
    }
    h2 {
        font-size: 2.5em;
    }
}

/* Large Screens (1200px and up) */
@media (min-width: 1025px) and (max-width: 1440px) {
    .container {
        padding: 40px;
    }
    h2 {
        font-size: 3em;
    }
}

/* Extra Large Screens (1440px and up) */
@media (min-width: 1441px) {
    .container {
        padding: 50px;
    }
    header h1 {
        font-size: 3.5em;
    }
    h2 {
        font-size: 3em;
    }
}

/* Additional Styles for Enhancements */
.gradient-background {
    background: var(--background-gradient);
    animation: gradientAnimation 10s ease infinite;
}

@keyframes gradientAnimation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.shape {
    width: 100px;
    height: 100px;
    background-color: var(--neon-green);
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
    margin: 20px auto;
}

/* Parallax Effect */
.parallax {
    background-image: url('https://images.gptkong.com/demo/sample1.png');
    height: 400px;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}