/* Global Styles */
:root {
    --primary-color: #4a6da7;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.button {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 14px;
    margin: 5px 0;
}

.button:hover {
    background-color: var(--secondary-color);
    color: white;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 60px 0 30px;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

header p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Navigation Styles */
nav {
    background-color: var(--secondary-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--box-shadow);
}

nav ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: white;
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

nav ul li a:hover {
    color: var(--light-color);
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--light-color);
    transition: var(--transition);
}

nav ul li a:hover::after {
    width: 100%;
}

/* Main Content Styles */
main {
    padding: 40px 0;
}

.card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin-bottom: 30px;
}

.card h2 {
    color: var(--secondary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--light-color);
    display: flex;
    align-items: center;
}

.card h2 i {
    margin-right: 10px;
    color: var(--primary-color);
}

.card h3 {
    color: var(--secondary-color);
    margin: 20px 0 10px;
}

.card ul, .card ol {
    padding-left: 20px;
    margin-bottom: 15px;
}

.card ul li, .card ol li {
    margin-bottom: 8px;
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.image-container {
    text-align: center;
    margin: 20px 0;
}

.feature-image {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    max-width: 100%;
}

.caption {
    margin-top: 10px;
    font-style: italic;
    color: #666;
}

/* Table Styles */
.table-container {
    overflow-x: auto;
    margin: 20px 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table th, table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

table th {
    background-color: var(--primary-color);
    color: white;
}

table tr:nth-child(even) {
    background-color: #f9f9f9;
}

table tr:hover {
    background-color: #f1f1f1;
}

/* Code Block Styles */
.code-container {
    margin: 20px 0;
}

.code-container h4 {
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.code-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.code-block {
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    padding: 15px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    line-height: 1.5;
    max-height: 400px;
    overflow-y: auto;
}

/* Accordion Styles */
.accordion {
    margin: 20px 0;
}

.accordion-item {
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    padding: 15px;
    background-color: #f5f5f5;
    border: none;
    text-align: left;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header::after {
    content: '+';
    font-size: 18px;
}

.accordion-header.active::after {
    content: '-';
}

.accordion-header:hover {
    background-color: #e9e9e9;
}

.accordion-content {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-content.active {
    padding: 15px;
    max-height: 500px;
}

/* Downloads Section Styles */
.downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.download-item {
    background-color: #f9f9f9;
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
}

.download-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.download-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.download-item h3 {
    margin-bottom: 10px;
}

.download-item p {
    margin-bottom: 15px;
    color: #666;
}

.download-item .button {
    display: block;
    margin: 10px auto;
}

/* Footer Styles */
footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section a {
    color: #ddd;
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--accent-color);
}

.social-links a i {
    font-size: 18px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .two-column {
        grid-template-columns: 1fr;
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    nav ul li {
        margin: 5px 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2rem;
    }
    
    .card {
        padding: 20px;
    }
    
    .downloads-grid {
        grid-template-columns: 1fr;
    }
}