/* Univence AI Documentation Styles */

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

:root {
    /* Primary Colors */
    --primary-purple: #8B5CF6;
    --primary-blue: #3B82F6;
    --accent-pink: #EC4899;
    --accent-green: #10B981;
    --accent-orange: #F59E0B;
    
    /* Dark Theme Colors */
    --bg-primary: #0F0F23;
    --bg-secondary: #1A1A2E;
    --bg-card: #16213E;
    --bg-accent: #0F3460;
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #A1A1AA;
    --text-muted: #71717A;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-purple), var(--primary-blue));
    --gradient-accent: linear-gradient(135deg, var(--accent-pink), var(--accent-orange));
    --gradient-dark: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Fira Code', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace;
    
    /* Borders and Shadows */
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.3);
}

/* Base Styles */
body {
    font-family: var(--font-family);
    background: var(--gradient-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-logo i {
    color: var(--primary-purple);
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.btn-secondary:hover {
    background: var(--bg-accent);
    border-color: var(--primary-purple);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.btn-outline:hover {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary-purple);
    border-color: var(--primary-purple);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
}

/* Hero Section */
.hero {
    padding: calc(var(--spacing-2xl) + 60px) 0 var(--spacing-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.1), transparent);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-weight: 500;
}

.feature i {
    color: var(--accent-green);
}

/* Hero Visual */
.hero-visual {
    margin-top: var(--spacing-xl);
    display: flex;
    justify-content: center;
}

.code-preview {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(139, 92, 246, 0.2);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    max-width: 600px;
    width: 100%;
}

.code-header {
    background: var(--bg-accent);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.code-dots {
    display: flex;
    gap: var(--spacing-xs);
}

.code-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dots span:nth-child(1) { background: #FF5F56; }
.code-dots span:nth-child(2) { background: #FFBD2E; }
.code-dots span:nth-child(3) { background: #27CA3F; }

.code-title {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.code-content {
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.5;
}

.code-line {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.code-line.indent {
    padding-left: var(--spacing-md);
}

/* Sections */
.section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.section.bg-light {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Quick Start */
.quickstart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0 auto var(--spacing-md);
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-content a {
    color: var(--primary-purple);
    text-decoration: none;
}

.step-content a:hover {
    text-decoration: underline;
}

/* Code Example */
.code-example {
    margin-top: var(--spacing-xl);
}

.example-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.example-header h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.btn-copy {
    background: var(--bg-card);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-copy:hover {
    background: var(--bg-accent);
    border-color: var(--primary-purple);
    color: var(--primary-purple);
}

.code-block {
    background: var(--bg-primary);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    overflow-x: auto;
}

.code-block pre {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-primary);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(139, 92, 246, 0.2);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Endpoints Grid */
.endpoints-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.endpoint-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(139, 92, 246, 0.2);
    overflow: hidden;
    transition: all 0.3s ease;
}

.endpoint-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-md);
}

.endpoint-method {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
    font-weight: 700;
    text-align: center;
    color: white;
}

.endpoint-method.post {
    background: var(--accent-green);
}

.endpoint-method.get {
    background: var(--accent-blue, #3B82F6);
}

.endpoint-info {
    padding: var(--spacing-md);
}

.endpoint-info h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.endpoint-info code {
    background: var(--bg-primary);
    padding: var(--spacing-xs);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--primary-purple);
}

.endpoint-info p {
    color: var(--text-secondary);
    margin: var(--spacing-sm) 0;
    line-height: 1.5;
}

.endpoint-params {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.param {
    background: var(--bg-accent);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.param.optional {
    background: rgba(139, 92, 246, 0.2);
    color: var(--primary-purple);
}

/* Models Grid */
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.model-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(139, 92, 246, 0.2);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
}

.model-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-md);
}

.model-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.model-header h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
}

.model-type {
    background: var(--gradient-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.model-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.spec {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
}

.spec-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.spec-value {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.model-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.model-examples {
    background: var(--bg-accent);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.model-examples strong {
    color: var(--text-primary);
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(139, 92, 246, 0.2);
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-glow);
}

.pricing-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.currency {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
}

.period {
    color: var(--text-secondary);
    font-size: 1rem;
}

.price-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.pricing-features {
    text-align: left;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.feature-item i {
    color: var(--accent-green);
    font-size: 0.9rem;
}

.pricing-note {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--bg-accent);
    border-radius: var(--border-radius);
    text-align: center;
}

.pricing-note p {
    color: var(--text-secondary);
    margin: 0;
}

.pricing-note strong {
    color: var(--text-primary);
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
    color: white;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid rgba(139, 92, 246, 0.2);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.footer-logo i {
    color: var(--primary-purple);
    font-size: 1.5rem;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-purple);
    border-color: var(--primary-purple);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(139, 92, 246, 0.2);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    margin: 0;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: var(--spacing-md);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-features {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .cta-actions {
        flex-direction: column;
    }
    
    .model-specs {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Syntax Highlighting */
.hljs {
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

.hljs-keyword {
    color: var(--primary-purple) !important;
}

.hljs-string {
    color: var(--accent-green) !important;
}

.hljs-number {
    color: var(--accent-orange) !important;
}

.hljs-comment {
    color: var(--text-muted) !important;
}