styles-enhanced.css

/* ShareConnect Enhanced Website Styles
   Professional-grade CSS with modern design patterns and animations
*/

/* ==========================================================================
   CSS Variables & Design System
   ========================================================================== */

:root {
    /* Primary Colors */
    --primary-50: #f0f9ff;
    --primary-100: #e0f2fe;
    --primary-200: #bae6fd;
    --primary-300: #7dd3fc;
    --primary-400: #38bdf8;
    --primary-500: #0ea5e9;
    --primary-600: #0284c7;
    --primary-700: #0369a1;
    --primary-800: #075985;
    --primary-900: #0c4a6e;

    /* Secondary Colors */
    --secondary-50: #f8fafc;
    --secondary-100: #f1f5f9;
    --secondary-200: #e2e8f0;
    --secondary-300: #cbd5e1;
    --secondary-400: #94a3b8;
    --secondary-500: #64748b;
    --secondary-600: #475569;
    --secondary-700: #334155;
    --secondary-800: #1e293b;
    --secondary-900: #0f172a;

    /* Success Colors */
    --success-50: #f0fdf4;
    --success-100: #dcfce7;
    --success-200: #bbf7d0;
    --success-500: #22c55e;
    --success-600: #16a34a;
    --success-700: #15803d;

    /* Warning Colors */
    --warning-50: #fffbeb;
    --warning-100: #fef3c7;
    --warning-500: #f59e0b;
    --warning-600: #d97706;

    /* Error Colors */
    --error-50: #fef2f2;
    --error-100: #fee2e2;
    --error-500: #ef4444;
    --error-600: #dc2626;

    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-600) 0%, var(--secondary-800) 100%);
    --gradient-accent: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, var(--success-500) 0%, var(--success-700) 100%);

    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --primary-50: #0c4a6e;
    --primary-100: #075985;
    --primary-200: #0369a1;
    --primary-300: #0284c7;
    --primary-400: #0ea5e9;
    --primary-500: #38bdf8;
    --primary-600: #7dd3fc;
    --primary-700: #bae6fd;
    --primary-800: #e0f2fe;
    --primary-900: #f0f9ff;

    --secondary-50: #0f172a;
    --secondary-100: #1e293b;
    --secondary-200: #334155;
    --secondary-300: #475569;
    --secondary-400: #64748b;
    --secondary-500: #94a3b8;
    --secondary-600: #cbd5e1;
    --secondary-700: #e2e8f0;
    --secondary-800: #f1f5f9;
    --secondary-900: #f8fafc;

    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #94a3b8;
    --border-primary: #334155;
    --border-secondary: #475569;
}

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family-primary);
    line-height: 1.6;
    color: var(--text-primary, #1e293b);
    background-color: var(--bg-primary, #ffffff);
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Dark mode base styles */
body {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --border-primary: #e2e8f0;
    --border-secondary: #cbd5e1;
}

[data-theme="dark"] body {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #94a3b8;
    --border-primary: #334155;
    --border-secondary: #475569;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

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

/* Lists */
ul, ol {
    margin-left: var(--space-6);
    margin-bottom: var(--space-4);
}

li {
    margin-bottom: var(--space-1);
}

/* ==========================================================================
   Layout & Container
   ========================================================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* ==========================================================================
   Buttons & Components
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    user-select: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-600);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--primary-700);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border-color: var(--primary-600);
}

.btn-outline:hover {
    background: var(--primary-600);
    color: white;
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

.btn-small {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-primary);
    transition: all var(--transition-normal);
}

[data-theme="dark"] .header {
    background: rgba(15, 23, 42, 0.95);
}

.nav {
    padding: var(--space-4) 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
}

.logo-image {
    width: 24px;
    height: 24px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-600);
}

.nav-link.github {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
}

.nav-link.github:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--text-xl);
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--space-2);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-32) 0 var(--space-24);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.hero-content {
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--success-100);
    color: var(--success-700);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    margin-bottom: var(--space-6);
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-600) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    max-width: 600px;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.hero-feature i {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    color: var(--primary-600);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.hero-stats {
    display: flex;
    gap: var(--space-8);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--primary-600);
    line-height: 1;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-top: var(--space-1);
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.video-preview-container {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    max-width: 640px;
    width: 100%;
}

.video-player-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
}

.video-player-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-2xl);
}

.video-info {
    padding: var(--space-4);
    background: var(--bg-primary);
    border-top: 1px solid var(--border-primary);
}

.video-info h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.video-info p {
    color: var(--text-muted);
    font-size: var(--text-sm);
    margin-bottom: var(--space-2);
}

.video-stats {
    display: flex;
    gap: var(--space-4);
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    animation: float 6s ease-in-out infinite;
}

.floating-card.card-1 {
    top: 20%;
    left: -40px;
    animation-delay: 0s;
}

.floating-card.card-2 {
    top: 40%;
    right: -40px;
    animation-delay: 2s;
}

.floating-card.card-3 {
    bottom: 30%;
    left: -30px;
    animation-delay: 4s;
}

.floating-card.card-4 {
    bottom: 10%;
    right: -30px;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
    animation: pulse 4s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 60%;
    animation-delay: 1s;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.5; }
}

/* ==========================================================================
   Video Courses Section
   ========================================================================== */

.video-courses {
    padding: var(--space-24) 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-header h2 {
    font-size: var(--text-4xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
}

.section-header p {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.course-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-primary);
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.course-card.featured {
    border: 2px solid var(--primary-200);
    position: relative;
}

.course-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.course-card.upcoming {
    opacity: 0.8;
    position: relative;
}

.course-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
}

.course-badge {
    padding: var(--space-1) var(--space-3);
    background: var(--success-100);
    color: var(--success-700);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.course-badge.upcoming {
    background: var(--warning-100);
    color: var(--warning-600);
}

.course-duration {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.course-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.course-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.course-card:hover .course-thumbnail img {
    transform: scale(1.05);
}

.play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-600);
    font-size: var(--text-xl);
    transition: all var(--transition-normal);
}

.coming-soon-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--text-xl);
    font-weight: 600;
}

.course-content {
    padding: var(--space-6);
}

.course-content h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.course-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.course-lessons {
    margin-bottom: var(--space-6);
}

.lesson-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    transition: background var(--transition-fast);
}

.lesson-item:hover {
    background: var(--bg-tertiary);
}

.lesson-item i {
    color: var(--primary-600);
}

.course-topics {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.topic-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
}

.course-notification {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--warning-100);
    color: var(--warning-700);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
}

.course-stats {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.course-actions {
    display: flex;
    gap: var(--space-3);
}

.courses-cta {
    text-align: center;
    padding: var(--space-12);
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    color: white;
}

.courses-cta h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
    color: white;
}

.courses-cta p {
    font-size: var(--text-lg);
    margin-bottom: var(--space-6);
    color: rgba(255, 255, 255, 0.9);
}

/* ==========================================================================
   Interactive Demo Section
   ========================================================================== */

.interactive-demo {
    padding: var(--space-24) 0;
    background: var(--bg-primary);
}

.demo-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-12);
    align-items: start;
}

.demo-interface {
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-primary);
}

.demo-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-primary);
}

.demo-header h3 {
    font-size: var(--text-xl);
    margin: 0;
}

.demo-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 500;
}

.demo-status.online i {
    color: var(--success-500);
}

.demo-status i {
    font-size: var(--text-xs);
}

.demo-content {
    padding: var(--space-6);
}

.demo-input-section {
    margin-bottom: var(--space-6);
}

.demo-input-section label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.demo-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    background: var(--bg-primary);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    transition: border-color var(--transition-fast);
}

.demo-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.demo-services {
    margin-bottom: var(--space-6);
}

.service-selector label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.service-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-3);
}

.service-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.service-btn:hover {
    border-color: var(--primary-300);
    color: var(--primary-600);
}

.service-btn.active {
    background: var(--primary-100);
    border-color: var(--primary-500);
    color: var(--primary-700);
}

.service-btn i {
    font-size: var(--text-lg);
}

.demo-results {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    overflow: hidden;
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
}

.result-header h4 {
    font-size: var(--text-base);
    margin: 0;
}

.response-time {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.result-content {
    padding: var(--space-6);
    min-height: 200px;
    font-family: var(--font-family-mono);
    font-size: var(--text-sm);
    line-height: 1.6;
    color: var(--text-secondary);
    background: var(--bg-primary);
}

.demo-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-4);
    padding: var(--space-8) var(--space-4);
    color: var(--text-muted);
}

.demo-welcome i {
    font-size: var(--text-3xl);
    opacity: 0.5;
}

.demo-info {
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    border: 1px solid var(--border-primary);
}

.demo-info h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-4);
}

.demo-steps {
    margin-bottom: var(--space-6);
}

.demo-steps li {
    margin-bottom: var(--space-3);
    padding-left: var(--space-2);
    color: var(--text-secondary);
}

.demo-steps li::before {
    content: counter(step-counter);
    counter-increment: step-counter;
    display: inline-block;
    width: 24px;
    height: 24px;
    background: var(--primary-600);
    color: white;
    border-radius: var(--radius-full);
    text-align: center;
    line-height: 24px;
    font-size: var(--text-xs);
    font-weight: 600;
    margin-right: var(--space-3);
}

.demo-steps {
    counter-reset: step-counter;
}

.demo-features {
    margin-bottom: var(--space-6);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    margin-bottom: var(--space-2);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.feature-item i {
    color: var(--primary-600);
}

.demo-examples h5 {
    font-size: var(--text-base);
    margin-bottom: var(--space-3);
}

.example-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.example-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.example-btn:hover {
    border-color: var(--primary-300);
    color: var(--primary-600);
}

.example-btn i {
    color: var(--primary-600);
}

/* ==========================================================================
   Enhanced Connectors Section
   ========================================================================== */

.connectors-enhanced {
    padding: var(--space-24) 0;
    background: var(--bg-secondary);
}

.connectors-showcase {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
    margin-bottom: var(--space-16);
}

.connector-category {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-primary);
}

.connector-category.featured {
    border: 2px solid var(--primary-200);
    position: relative;
}

.connector-category.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full) var(--radius-full) 0 0;
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-size: var(--text-xl);
    color: white;
}

.category-icon.core {
    background: var(--gradient-primary);
}

.category-icon.cloud {
    background: var(--gradient-success);
}

.category-icon.dev {
    background: var(--gradient-accent);
}

.category-header h3 {
    font-size: var(--text-2xl);
    margin: 0;
}

.connector-count {
    padding: var(--space-1) var(--space-3);
    background: var(--bg-secondary);
    color: var(--text-muted);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-left: auto;
}

.connector-category p {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    max-width: 600px;
}

.connector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.connector-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-normal);
}

.connector-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-300);
}

.connector-card.featured {
    border: 2px solid var(--primary-200);
    position: relative;
}

.connector-card.featured::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.connector-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    color: var(--primary-600);
    border-radius: var(--radius-lg);
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
}

.connector-card h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
}

.connector-card p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
    line-height: 1.5;
}

.connector-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.feature-tag {
    padding: var(--space-1) var(--space-2);
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: 500;
}

.connector-actions {
    display: flex;
    gap: var(--space-2);
}

.connectors-summary {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-primary);
    text-align: center;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--border-primary);
}

.stat-item {
    text-align: center;
}

.stat-item .stat-number {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--primary-600);
    margin-bottom: var(--space-2);
}

.stat-item .stat-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.summary-cta h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
}

.summary-cta p {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

/* ==========================================================================
   Documentation Hub
   ========================================================================== */

.documentation-hub {
    padding: var(--space-24) 0;
    background: var(--bg-primary);
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.doc-category {
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-normal);
}

.doc-category:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.doc-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    color: var(--primary-600);
    border-radius: var(--radius-lg);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.doc-category h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.doc-category p {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

.doc-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.doc-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.doc-link:hover {
    background: var(--primary-100);
    color: var(--primary-600);
}

.doc-link i {
    font-size: var(--text-sm);
}

.docs-latest {
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    border: 1px solid var(--border-primary);
}

.docs-latest h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-6);
}

.latest-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.latest-item {
    padding: var(--space-4);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
}

.latest-date {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-1);
}

.latest-title {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-1);
    color: var(--text-primary);
}

.latest-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta-section {
    padding: var(--space-24) 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: var(--text-4xl);
    font-weight: 800;
    margin-bottom: var(--space-6);
    color: white;
}

.cta-content p {
    font-size: var(--text-xl);
    margin-bottom: var(--space-8);
    color: rgba(255, 255, 255, 0.9);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

.cta-actions .btn {
    font-size: var(--text-lg);
    padding: var(--space-4) var(--space-8);
}

.cta-actions .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
}

.cta-actions .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: var(--space-16) 0 var(--space-8);
    border-top: 1px solid var(--border-primary);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.footer-section h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
    margin: 0;
}

.footer-section li {
    margin-bottom: var(--space-2);
}

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

.footer-section a:hover {
    color: var(--primary-600);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-primary);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
}

.footer-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.footer-legal {
    text-align: right;
}

.footer-legal p {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin: 0;
}

/* ==========================================================================
   Theme Toggle
   ========================================================================== */

.theme-toggle {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-fixed);
    width: 48px;
    height: 48px;
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.theme-toggle i {
    font-size: var(--text-lg);
    transition: all var(--transition-normal);
}

.theme-toggle .fa-moon {
    color: var(--secondary-600);
}

.theme-toggle .fa-sun {
    color: var(--warning-500);
}

[data-theme="dark"] .theme-toggle .fa-moon {
    display: none;
}

[data-theme="light"] .theme-toggle .fa-sun {
    display: none;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-12);
        text-align: center;
    }
    
    .demo-container {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .connector-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero {
        padding: var(--space-24) 0 var(--space-16);
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .connector-grid {
        grid-template-columns: 1fr;
    }
    
    .summary-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .docs-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
    
    .footer-legal {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .section-header h2 {
        font-size: var(--text-3xl);
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .connector-grid {
        grid-template-columns: 1fr;
    }
    
    .service-options {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* ==========================================================================
   Animation Utilities
   ========================================================================== */

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0,0,0);
    }
    40%, 43% {
        transform: translate3d(0, -30px, 0);
    }
    70% {
        transform: translate3d(0, -15px, 0);
    }
    90% {
        transform: translate3d(0,-4px,0);
    }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Animation classes */
.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-slideInLeft {
    animation: slideInLeft 0.6s ease-out;
}

.animate-slideInRight {
    animation: slideInRight 0.6s ease-out;
}

.animate-bounce {
    animation: bounce 1s infinite;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

/* Text utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

/* Color utilities */
.text-primary { color: var(--primary-600); }
.text-secondary { color: var(--secondary-600); }
.text-success { color: var(--success-600); }
.text-warning { color: var(--warning-600); }
.text-error { color: var(--error-600); }

/* Background utilities */
.bg-primary { background-color: var(--primary-600); }
.bg-secondary { background-color: var(--secondary-600); }
.bg-success { background-color: var(--success-600); }
.bg-warning { background-color: var(--warning-600); }
.bg-error { background-color: var(--error-600); }

/* Spacing utilities */
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* Display utilities */
.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }

/* Flexbox utilities */
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

/* Position utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Z-index utilities */
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* Overflow utilities */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }
.overflow-visible { overflow: visible; }

/* Border radius utilities */
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadow utilities */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Transition utilities */
.transition-fast { transition: all var(--transition-fast); }
.transition-normal { transition: all var(--transition-normal); }
.transition-slow { transition: all var(--transition-slow); }

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .header,
    .footer,
    .theme-toggle,
    .mobile-menu-toggle,
    .cta-actions {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .hero {
        min-height: auto !important;
        padding: 2rem 0 !important;
    }
    
    .container {
        max-width: none !important;
        padding: 0 !important;
    }
}