/* Main CSS for AI-chitect Website */

/* CSS Variables for Dark Theme */
:root {
    /* Dark Theme Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --bg-card: #1e1e1e;
    --bg-overlay: rgba(0, 0, 0, 0.8);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #808080;
    --text-inverse: #0a0a0a;
    
    /* Accent Colors */
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-error: #ef4444;
    
    /* Border Colors */
    --border-primary: #333333;
    --border-secondary: #404040;
    --border-accent: #6366f1;
    
    /* Shadow Colors */
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.3);
    --shadow-heavy: rgba(0, 0, 0, 0.5);
    
    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --gradient-accent: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

/* Hide images until they're loaded to prevent FOUC */
.logo, .hero-img {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.logo.loaded, .hero-img.loaded {
    opacity: 1;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

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

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    gap: var(--spacing-sm);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
    color: var(--text-primary);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-accent);
}

.btn-secondary:hover {
    background: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.1rem;
}

.btn-cta {
    padding: var(--spacing-lg) var(--spacing-lg);
    font-size: 1.1rem;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-primary);
    z-index: 1000;
    transition: all var(--transition-normal);
}

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

.nav-logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo {
    width: 40px;
    height: 40px;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

.language-link {
    background: var(--accent-primary);
    color: var(--bg-primary) !important;
    padding: 8px 12px !important;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
}

.language-link:hover {
    background: var(--accent-secondary);
    color: var(--bg-primary) !important;
    transform: scale(1.05);
}

.language-link::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: #000000;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 100 100\"><defs><pattern id=\"grid\" width=\"10\" height=\"10\" patternUnits=\"userSpaceOnUse\"><path d=\"M 10 0 L 0 0 0 10\" fill=\"none\" stroke=\"%23333\" stroke-width=\"0.5\"/></pattern></defs><rect width=\"100\" height=\"100\" fill=\"url%28%23grid%29\"/></svg>");
    opacity: 0.1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    position: relative;
    width: 100%;
    max-width: 650px;
}

.hero-img {
    width: 130%;
    height: auto;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 55px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 10;
}

/* Fixed Position Scroll Indicator for Contact Pages */
.scroll-indicator-fixed {
    text-align: center;
    z-index: 1000;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    border: 1px solid var(--border-primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.scroll-arrow {
    width: 40px;
    height: 40px;
    margin: 0 auto 10px;
    border: 2px solid var(--text-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bounce 2s 3;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.scroll-arrow:hover {
    border-color: var(--accent-primary);
    background: var(--accent-primary);
    transform: scale(1.1);
    text-decoration: none;
}

.scroll-arrow i {
    color: var(--text-secondary);
    font-size: 1rem;
    transition: color var(--transition-normal);
}

.scroll-arrow:hover i {
    color: var(--bg-primary);
}

.scroll-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.8;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

/* Why Choose AI-chitect Section */
.why-choose {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.why-choose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.why-choose-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    text-align: center;
    transition: all var(--transition-normal);
}

.why-choose-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

.why-choose-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.why-choose-text {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1rem;
}

/* About Section */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.about-card {
    background: var(--bg-card);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-normal);
    text-align: center;
}

.about-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-accent);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.about-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-lg);
    font-size: 2rem;
    color: var(--text-primary);
}

.about-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

/* Services Section */
.services-preview {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
}

.service-card {
    background: var(--bg-card);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-accent);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.2);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
    color: var(--text-primary);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.service-link {
    color: var(--accent-primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
}

.service-link:hover {
    color: var(--accent-secondary);
    transform: translateX(5px);
}

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

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.cta-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.footer-logo-img {
    width: 40px;
    height: 40px;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

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

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

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

.footer-contact i {
    color: var(--accent-primary);
    width: 16px;
}

.footer-bottom {
    border-top: 1px solid var(--border-primary);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

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

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-legal a:hover {
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-primary);
        padding: var(--spacing-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

    .nav-menu.nav-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: 2rem;
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
}

/* Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.animate-on-scroll.animate-in {
    opacity: 1;
    transform: translateY(0);
}

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.hidden { display: none; }
.visible { display: block; }

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--text-primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    margin-left: 2rem;
    gap: 0.5rem;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.875rem;
    font-weight: 500;
}

.lang-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.lang-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .language-switcher {
        margin-left: 1rem;
        margin-top: 1rem;
    }
}

/* Page Header */
.page-header {
    position: relative;
    padding: 80px 0 20px;
    margin-bottom: 20px;
    background: var(--bg-secondary);
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

/* Services Detail Page */
.services-detailed {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

/* Fix anchor link positioning for fixed header */
.service-detail {
    scroll-margin-top: 100px;
}

/* General anchor link offset for fixed header */
html {
    scroll-padding-top: 100px;
}

.service-detail {
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
}

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

.service-detail-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.service-detail-description {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-secondary);
}

.service-features,
.service-benefits {
    margin-bottom: var(--spacing-lg);
}

.service-features h3,
.service-benefits h3 {
    font-size: 1.5rem;
    font-weight: 600;
    /* margin-bottom: var(--spacing-lg); */
    color: var(--text-primary);
}

.service-features ul,
.service-benefits ul {
    list-style: none;
    padding: 0;
}

.service-features li,
.service-benefits li {
    /* padding: var(--spacing-sm) 0; */
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-secondary);
}

.service-skills {
    margin-top: var(--spacing-lg);
}

.service-skills h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.service-features li::before,
.service-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

.service-video-link {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-primary);
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.service-video-link .btn-video {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
}

/* Contact Page */
.contact {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

/* Privacy Policy Page */
.privacy-content {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

/* Team Member Social Links */
.member-social {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    padding-bottom: 10px;
}

/* Experience Section */
.experience-chart {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
}

.chart-icon {
    font-size: 4rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-lg);
}

.experience-chart h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

/* About Page Specific Styles - Left Aligned Sections */
.team .section-header,
.mission .section-header,
.values .section-header,
.skills .section-header {
    text-align: left;
}

.team .section-subtitle,
.mission .section-subtitle,
.values .section-subtitle,
.skills .section-subtitle {
    text-align: left;
    margin: 0;
}

/* Team Member Profile Photo */
.team-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    max-width: 900px;
}

.team-member {
    display: flex;
    gap: var(--spacing-2xl);
    align-items: flex-start;
}

.member-photo {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
}

.profile-image {
    width: 125%;
    height: 125%;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--border-accent);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.3);
    transition: all var(--transition-normal);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.4);
}

.member-info {
    flex: 1;
}

@media (max-width: 768px) {
    .team-member {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .member-photo {
        width: 180px;
        height: 180px;
    }
    
    .member-info {
        text-align: left;
    }
}

/* Mission Section */
.mission-content {
    max-width: 800px;
}

.mission-text {
    text-align: left;
}

.values-text {
    text-align: left;
}

.mission-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-lg) 0;
}

.mission-list li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.mission-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Values Section */
.values-content {
    max-width: 800px;
    text-align: left;
}

.values-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin: 0;
}

/* Skills Section */
.skills {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md) 0;
    background: var(--bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.skill-category {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
}

.skill-category-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    border-bottom: 2px solid var(--accent-primary);
    padding-bottom: var(--spacing-sm);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-tag {
    background: var(--bg-primary);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border-primary);
    transition: all var(--transition-normal);
}

.skill-tag:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.member-social .social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.member-social .social-link:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
    transform: scale(1.1);
}

.privacy-text {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.privacy-section {
    margin-bottom: var(--spacing-2xl);
}

.privacy-section h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    border-bottom: 2px solid var(--accent-primary);
    padding-bottom: var(--spacing-sm);
}

.privacy-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
    color: var(--text-primary);
}

.privacy-section p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.privacy-section ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.privacy-section li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.privacy-section a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.privacy-section a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.privacy-date {
    font-style: italic;
    color: var(--text-muted);
    text-align: center;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.contact-description {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-secondary);
}

.contact-details {
    margin-bottom: var(--spacing-2xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-lg);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text-primary);
    flex-shrink: 0;
}

.contact-text h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

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

.contact-text a {
    color: var(--accent-primary);
    text-decoration: none;
}

.contact-text a:hover {
    color: var(--accent-secondary);
}

.contact-services {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
}

.contact-services h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.contact-services ul {
    list-style: none;
    padding: 0;
}

.contact-services li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-secondary);
}

.contact-services li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

/* Contact Form */
.contact-form-container {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    text-align: center;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 2px;
}

.checkbox-label span:last-child {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.checkbox-label a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.checkbox-label a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.checkbox-label a:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Form States */
.form-success,
.form-error {
    text-align: center;
    padding: var(--spacing-2xl);
}

.success-icon,
.error-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.success-icon {
    color: #10b981;
}

.error-icon {
    color: #ef4444;
}

.form-success h3,
.form-error h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.form-success p,
.form-error p {
    color: var(--text-secondary);
}

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

.hidden {
    display: none;
}

/* FAQ Section */
.faq {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.faq-question {
    padding: var(--spacing-xl);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-normal);
}

.faq-question:hover {
    background: var(--bg-primary);
}

.faq-question h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.faq-question i {
    color: var(--accent-primary);
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Responsive Design for New Pages */
@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .service-detail {
        padding: var(--spacing-xl);
    }
    
    .service-detail-title {
        font-size: 2rem;
    }
    
    .contact-title {
        font-size: 2rem;
    }
    
    .contact-form-container {
        padding: var(--spacing-xl);
    }
    
    .form-title {
        font-size: 1.75rem;
    }
}

/* Blog Section Styles */
.blog-preview {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    max-width: 800px;
    margin: 0 auto;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    border-color: var(--border-accent);
}

.blog-card-content {
    padding: var(--spacing-2xl);
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.blog-date {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.blog-category {
    background: var(--accent-primary);
    color: var(--bg-primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-card-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    line-height: 1.3;
}

.blog-card-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
}

.blog-card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--accent-primary);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    font-size: 1rem;
}

.blog-card-link:hover {
    color: var(--accent-secondary);
    transform: translateX(5px);
}

.blog-card-link i {
    transition: transform var(--transition-normal);
}

.blog-card-link:hover i {
    transform: translateX(3px);
}

/* Blog Post Page Styles */
.blog-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.blog-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-primary);
}

.blog-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.blog-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.blog-date {
    color: var(--text-muted);
    font-size: 1rem;
}

.blog-author {
    color: var(--text-secondary);
    font-weight: 500;
}

.blog-external-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-primary);
    color: var(--bg-primary);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color var(--transition-normal);
}

.blog-external-link:hover {
    background: var(--accent-secondary);
    color: var(--bg-primary);
}

.blog-content {
    line-height: 1.8;
    color: var(--text-primary);
}

.blog-content h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 2.5rem 0 1.5rem 0;
    padding-top: 1rem;
    border-top: 1px solid var(--border-primary);
}

.blog-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 2rem 0 1rem 0;
}

.blog-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.blog-content ul {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.blog-content li {
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.blog-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.blog-content a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
}

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

.blog-highlight {
    background: var(--bg-card);
    border-left: 4px solid var(--accent-primary);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 5px 5px 0;
}

.blog-image {
    text-align: center;
    margin: 2rem 0;
}

.blog-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.blog-image-caption {
    font-style: italic;
    color: var(--text-muted);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.back-to-blog {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 2rem;
    transition: color var(--transition-normal);
}

.back-to-blog:hover {
    color: var(--accent-secondary);
}

/* Responsive Blog Styles */
@media (max-width: 768px) {
    .blog-container {
        padding: 1rem;
    }
    
    .blog-title {
        font-size: 2rem;
    }
    
    .blog-meta {
        flex-direction: column;
        gap: 1rem;
    }
    
    .blog-content h2 {
        font-size: 1.5rem;
    }
    
    .blog-content h3 {
        font-size: 1.2rem;
    }
    
    .blog-card-content {
        padding: var(--spacing-xl);
    }
    
    .blog-card-title {
        font-size: 1.5rem;
    }
}

/* Blog Index Page Styles */
.blog-posts {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.blog-placeholder {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    opacity: 0.7;
}

.blog-placeholder:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.blog-placeholder .blog-card-content {
    padding: var(--spacing-2xl);
}

.blog-placeholder .blog-card-title {
    color: var(--text-muted);
}

.blog-placeholder .blog-card-excerpt {
    color: var(--text-muted);
}

.blog-placeholder .disabled {
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.6;
}

.blog-placeholder .disabled:hover {
    transform: none;
    color: var(--text-muted);
}

/* Responsive Blog Grid */
@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

/* Career Highlights Section */
.career-highlights {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.career-highlights .section-title {
    text-align: left;
}

.timeline {
    margin-top: var(--spacing-xl);
}

.timeline-item {
    margin-bottom: var(--spacing-lg);
}

.timeline-date {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.timeline-location {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

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

.timeline-subheader {
    font-weight: bold;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 1rem;
}

.timeline-separator {
    border: none;
    border-top: 1px solid var(--border-secondary);
    margin: var(--spacing-lg) 0;
    opacity: 0.5;
}

.achievement-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.achievement-list li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.achievement-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-secondary);
    font-weight: bold;
    font-size: 1.2rem;
}

.tech-list {
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    margin-bottom: 0;
}

/* Education Section */
.education {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.education .section-title {
    text-align: left;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.education-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-normal);
}

.education-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-accent);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.education-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
    color: var(--text-primary);
}

.education-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.education-institution {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.education-year {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0;
}

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

/* Breadcrumb Navigation */
.breadcrumb {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-primary);
    padding: 0;
}

.breadcrumb ol {
    display: flex;
    list-style: none;
    padding: 1rem 0;
    margin: 0;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    align-items: center;
}

.breadcrumb li {
    display: flex;
    align-items: center;
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--text-primary);
}

.breadcrumb li:not(:last-child)::after {
    content: "/";
    margin: 0 0.5rem;
    color: var(--text-muted);
}

.breadcrumb span[itemprop="name"]:last-child {
    color: var(--text-primary);
    font-weight: 500;
}

/* Video Section */
.video-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.video-container {
    max-width: 1000px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-primary);
    /* margin-bottom: var(--spacing-2xl); */
}

.video-player {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--bg-primary);
}

.video-speed-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.video-speed-control label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.video-speed-select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.9rem;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.video-speed-select:hover {
    border-color: var(--border-accent);
    background: var(--bg-secondary);
}

.video-speed-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.video-description {
    background: var(--bg-card);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
}

.video-description-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.video-description-text {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    color: var(--text-secondary);
}

.video-learning-points {
    margin-bottom: var(--spacing-2xl);
}

.video-learning-points h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.video-learning-points ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.video-learning-points li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1rem;
}

.video-learning-points li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
    font-size: 1.2rem;
}

.video-cta {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    align-items: center;
}

.video-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
}

.video-cta .btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
}

.video-cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);
}

.video-cta .btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.video-cta .btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--border-accent);
    transform: translateY(-2px);
}

/* Responsive Video Styles */
@media (max-width: 768px) {
    .video-wrapper {
        padding-bottom: 56.25%;
    }
    
    .video-description {
        padding: var(--spacing-xl);
    }
    
    .video-description-title {
        font-size: 1.5rem;
    }
    
    .video-cta {
        flex-direction: column;
    }
    
    .video-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .video-speed-control {
        justify-content: flex-start;
    }
    
    .video-speed-control label {
        font-size: 0.85rem;
    }
    
    .video-speed-select {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .video-speed-control {
        flex-direction: column;
        gap: var(--spacing-xs);
        align-items: flex-start;
    }
    
    .video-speed-select {
        width: 100%;
    }
}