/* 
 * Genes Website Stylesheet
 * Light, clean design matching the screenshots
 * Coral/salmon accent colors
 */

:root {
    --primary-color: #FF6B6B;
    --primary-hover: #FF5252;
    --secondary-color: #4ECDC4;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --border-color: #E9ECEF;
    --code-bg: #F4F4F4;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
}

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

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col-md-4 {
    flex: 0 0 33.333%;
    padding: 0 15px;
    margin-bottom: 30px;
}

.col-md-6 {
    flex: 0 0 50%;
    padding: 0 15px;
    margin-bottom: 30px;
}

.col-md-8 {
    flex: 0 0 66.666%;
    padding: 0 15px;
}

@media (max-width: 768px) {
    .col-md-4,
    .col-md-6,
    .col-md-8 {
        flex: 0 0 100%;
    }
}

/* Navigation */
.navbar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: -1px;
}

.navbar-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: color 0.2s;
    padding: 5px 10px;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

@media (max-width: 768px) {
    .navbar-menu {
        gap: 15px;
        font-size: 14px;
    }
    
    .navbar-brand {
        font-size: 24px;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #F8F9FA 0%, #FFFFFF 100%);
    padding: 100px 0 80px;
    text-align: center;
    border-bottom: 2px solid var(--border-color);
}

.brand {
    font-size: 72px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    letter-spacing: -2px;
}

.headline {
    font-size: 42px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.2;
}

.subtitle {
    font-size: 24px;
    color: var(--text-light);
    margin-bottom: 10px;
}

.tagline {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
    font-weight: 500;
}

.lead {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-dark);
    border-color: var(--text-dark);
}

.btn-secondary:hover {
    background-color: var(--text-dark);
    color: white;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 18px;
}

.btn-xl {
    padding: 20px 50px;
    font-size: 20px;
}

.btn-link {
    background: none;
    color: var(--primary-color);
    padding: 0;
    font-weight: 600;
}

.btn-link:hover {
    color: var(--primary-hover);
}

/* Features Comparison */
.features-comparison {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.feature-box {
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: 8px;
    height: 100%;
    border: 1px solid var(--border-color);
}

.feature-box h3 {
    font-size: 32px;
    color: var(--text-dark);
    margin-bottom: 25px;
    font-weight: 700;
}

.feature-highlight {
    background-color: var(--bg-white);
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 25px;
    border-left: 4px solid var(--primary-color);
}

.feature-highlight p {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.feature-highlight p:last-child {
    margin-bottom: 0;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    font-size: 16px;
    color: var(--text-dark);
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* AI Features Section */
.ai-features {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.ai-features h2 {
    text-align: center;
    font-size: 42px;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 700;
}

.section-intro {
    text-align: center;
    font-size: 20px;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 60px;
}

.ai-feature-card {
    background-color: var(--bg-white);
    padding: 30px;
    border-radius: 8px;
    height: 100%;
    border: 1px solid var(--border-color);
}

.ai-feature-card h4 {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-weight: 600;
}

.ai-feature-card p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.ai-feature-card code {
    background-color: var(--code-bg);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

.ai-feature-card pre {
    background-color: var(--code-bg);
    padding: 15px;
    border-radius: 6px;
    overflow-x: auto;
    margin-top: 15px;
}

.ai-feature-card pre code {
    background: none;
    padding: 0;
    display: block;
    font-size: 13px;
    line-height: 1.4;
}

/* Code Examples Section */
.code-examples {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.code-examples h2 {
    text-align: center;
    font-size: 42px;
    color: var(--text-dark);
    margin-bottom: 60px;
    font-weight: 700;
}

.code-block-wrapper {
    margin-bottom: 40px;
}

.code-block-wrapper h4 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-weight: 600;
}

.code-block-wrapper pre {
    background-color: var(--code-bg);
    padding: 25px;
    border-radius: 8px;
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

.code-block-wrapper pre code {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-dark);
}

/* Documentation Preview */
.docs-preview {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.docs-preview h2 {
    text-align: center;
    font-size: 42px;
    color: var(--text-dark);
    margin-bottom: 40px;
    font-weight: 700;
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 30px;
    font-size: 16px;
    font-weight: 600;
    background-color: var(--bg-white);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.tab-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.tab-content {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-pane h3 {
    font-size: 32px;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 700;
}

.tab-pane p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.tab-pane ul {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.tab-pane ul li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    font-size: 16px;
    color: var(--text-dark);
}

.tab-pane ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Call to Action */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 38px;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.3;
}

.cta-message {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta .btn-primary {
    background-color: white;
    color: var(--primary-color);
}

.cta .btn-primary:hover {
    background-color: var(--bg-light);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.cta .btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

.cta .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.version-info {
    margin-top: 30px;
    font-size: 16px;
    opacity: 0.9;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: 60px 0 20px;
}

.footer h5 {
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: 700;
}

.footer p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    margin: 8px 0;
}

.footer-bottom a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

.tagline-footer {
    color: rgba(255, 255, 255, 0.5);
    font-style: italic;
}

/* Sidebar Styles */
.sidebar {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.sidebar h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-dark);
    font-weight: 700;
}

.sidebar-links {
    list-style: none;
    padding: 0;
}

.sidebar-links li {
    margin-bottom: 12px;
}

.sidebar-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.sidebar-links a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Example Cards */
.example-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.example-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.1);
    transform: translateY(-2px);
}

.example-card h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 24px;
}

.example-card p {
    color: var(--text-light);
    margin-bottom: 15px;
}

.example-card strong {
    color: var(--text-dark);
}

/* Download Section */
.download-section {
    margin-bottom: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.download-section:last-child {
    border-bottom: none;
}

.download-section h3 {
    color: var(--text-dark);
    margin-bottom: 20px;
    font-size: 28px;
}

.download-section pre {
    background: var(--code-bg);
    padding: 20px;
    border-radius: 6px;
    overflow-x: auto;
    margin: 20px 0;
    border: 1px solid var(--border-color);
}

.download-section code {
    font-family: 'Courier New', Courier, monospace;
    color: var(--text-dark);
    font-size: 14px;
}

.download-section ol {
    padding-left: 25px;
}

.download-section ol li {
    margin-bottom: 12px;
    color: var(--text-dark);
}

/* Feature Checklist */
.feature-checklist {
    list-style: none;
    padding: 0;
}

.feature-checklist li {
    padding: 10px 0;
    color: var(--text-dark);
    font-size: 15px;
}

/* Info Box */
.info-box {
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    padding: 25px;
    border-radius: 4px;
}

.info-box h4 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 20px;
}

.info-box p {
    color: var(--text-dark);
    margin: 0;
}

.info-box a {
    color: var(--primary-color);
    font-weight: 500;
}

/* Doc List */
.doc-list {
    list-style: none;
    padding: 0;
}

.doc-list li {
    margin-bottom: 15px;
    padding: 15px;
    background: var(--bg-light);
    border-radius: 6px;
    transition: background 0.2s;
}

.doc-list li:hover {
    background: #e8e9ea;
}

.doc-list a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
}

.doc-list a:hover {
    text-decoration: underline;