/* ==========================================
   ROOT VARIABLES
   ========================================== */
:root {
    /* Colors */
    --primary-color: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #6366F1;
    --secondary-color: #10B981;
    --accent-color: #F59E0B;
    --danger-color: #EF4444;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);

    /* Text Colors */
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;

    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-dark: #111827;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

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

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

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
}

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

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

.logo-icon {
    font-size: 2rem;
}

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

.nav-links a {
    color: var(--text-primary);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

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

.nav-links a:hover::after {
    transform: scaleX(1);
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: inherit;
}

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

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

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

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

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
}

.btn-ghost:hover {
    background: var(--bg-secondary);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    opacity: 0.1;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(79, 70, 229, 0.1) 1px, transparent 0);
    background-size: 40px 40px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: var(--spacing-2xl) 0;
}

.hero-text {
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    animation: fadeInDown 0.6s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease-out 0.6s both;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    animation: fadeInUp 0.6s ease-out 0.8s both;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.hero-visual {
    position: relative;
    animation: fadeIn 0.8s ease-out 0.4s both;
}

.hero-image-container {
    position: relative;
}

.floating-card {
    position: absolute;
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.card-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    left: -10%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 10%;
    right: 10%;
    animation-delay: 2s;
}

.hero-mockup {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
}

.mockup-window {
    border: 1px solid #E5E7EB;
}

.mockup-header {
    background: #F3F4F6;
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: 1px solid #E5E7EB;
}

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

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #D1D5DB;
}

.mockup-dots span:nth-child(1) { background: #EF4444; }
.mockup-dots span:nth-child(2) { background: #F59E0B; }
.mockup-dots span:nth-child(3) { background: #10B981; }

.mockup-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.mockup-content {
    padding: var(--spacing-lg);
    min-height: 300px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.chat-bubble {
    max-width: 80%;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    animation: slideIn 0.3s ease-out;
}

.chat-bubble.bot {
    background: var(--bg-secondary);
    align-self: flex-start;
}

.chat-bubble.user {
    background: var(--gradient-primary);
    color: white;
    align-self: flex-end;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s ease-in-out infinite;
    color: var(--primary-color);
    font-size: 2rem;
}

/* ==========================================
   PARTNERS SECTION
   ========================================== */
.partners-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.partners-heading {
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xl);
}

.partners-marquee {
    overflow: hidden;
    position: relative;
}

.partners-track {
    display: flex;
    gap: var(--spacing-2xl);
    animation: marquee 30s linear infinite;
}

.partner-logo {
    flex-shrink: 0;
}

.logo-placeholder {
    padding: var(--spacing-md) var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    font-weight: 600;
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

/* ==========================================
   DEMO VIDEO SECTION
   ========================================== */
.demo-video-section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-2xl);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.video-container-pro {
    max-width: 900px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    background: #000;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-placeholder {
    position: absolute;
    inset: 0;
    cursor: pointer;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.9), rgba(118, 75, 162, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-thumbnail {
    text-align: center;
    color: white;
}

.play-button-large {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    transition: all var(--transition-base);
}

.play-button-large i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-right: -5px;
}

.video-placeholder:hover .play-button-large {
    transform: scale(1.1);
}

.video-overlay {
    color: white;
}

.video-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.video-info p {
    font-size: 1rem;
    opacity: 0.9;
}

.video-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.highlight-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.highlight-text h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.highlight-text p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ==========================================
   CHAT PREVIEW SECTION
   ========================================== */
.chat-preview-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.chat-preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.chat-preview-content .lead {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.feature-list-pro {
    margin-bottom: var(--spacing-xl);
}

.feature-list-pro li {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.feature-icon-small {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.feature-list-pro h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.feature-list-pro p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.chat-preview-mockup {
    position: relative;
}

.chat-window {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
}

.chat-header {
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.chat-avatar {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.chat-header-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.online-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    opacity: 0.9;
}

.online-dot {
    width: 8px;
    height: 8px;
    background: #10B981;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.chat-actions {
    margin-right: auto;
}

.chat-actions button {
    background: none;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
}

.chat-messages {
    padding: var(--spacing-lg);
    min-height: 400px;
    max-height: 400px;
    overflow-y: auto;
    background: #F9FAFB;
}

.message {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    animation: slideIn 0.3s ease-out;
}

.message-avatar {
    width: 32px;
    height: 32px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.bot-message {
    align-self: flex-start;
}

.user-message {
    flex-direction: row-reverse;
    align-self: flex-end;
}

.message-content {
    max-width: 70%;
}

.message-text {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    background: white;
    box-shadow: var(--shadow-sm);
}

.user-message .message-text {
    background: var(--gradient-primary);
    color: white;
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: var(--spacing-xs);
    padding: 0 var(--spacing-sm);
}

.typing-indicator {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    width: fit-content;
    box-shadow: var(--shadow-sm);
}

.typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--text-light);
    border-radius: 50%;
    animation: typing 1.4s ease-in-out infinite;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

.chat-input {
    padding: var(--spacing-md);
    background: white;
    border-top: 1px solid #E5E7EB;
    display: flex;
    gap: var(--spacing-sm);
}

.chat-input input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 0.875rem;
}

.chat-input-btn {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

.chat-input-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
}

/* ==========================================
   FEATURES SECTION
   ========================================== */
.features-section {
    padding: var(--spacing-2xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

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

.feature-points {
    margin-top: var(--spacing-md);
}

.feature-points li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.feature-points i {
    color: var(--secondary-color);
}

/* ==========================================
   COMPARISON SECTION
   ========================================== */
.comparison-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.comparison-table {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-column {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    position: relative;
}

.comparison-column.highlight {
    box-shadow: var(--shadow-2xl);
    transform: scale(1.05);
}

.best-badge {
    position: absolute;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-2xl);
    font-weight: 700;
    font-size: 0.875rem;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.comparison-header {
    padding: var(--spacing-xl);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.comparison-header.bad {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
}

.comparison-header.good {
    background: var(--gradient-primary);
    color: white;
    padding-top: calc(var(--spacing-xl) + 2rem);
}

.comparison-header i {
    font-size: 2.5rem;
}

.comparison-header.bad i {
    color: var(--danger-color);
}

.comparison-header h3 {
    font-size: 1.5rem;
}

.comparison-list {
    padding: var(--spacing-xl);
}

.comparison-list li {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
}

.comparison-list.good li {
    background: rgba(79, 70, 229, 0.05);
}

.comparison-list.bad li {
    background: rgba(239, 68, 68, 0.05);
}

.comparison-list i {
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.comparison-list.good i {
    color: var(--secondary-color);
}

.comparison-list.bad i {
    color: var(--danger-color);
}

.comparison-list strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.comparison-list p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.comparison-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.comparison-cta p {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

/* ==========================================
   PRICING SECTION
   ========================================== */
.pricing-section {
    padding: var(--spacing-2xl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.pricing-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -1rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-2xl);
    font-weight: 700;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.pricing-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto;
}

.pricing-price {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.pricing-price .currency {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
}

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

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

.pricing-description {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid #E5E7EB;
}

.pricing-features {
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

.pricing-features i {
    color: var(--secondary-color);
    margin-top: 2px;
}

.pricing-features li.disabled {
    opacity: 0.5;
}

.pricing-features li.disabled i {
    color: var(--text-light);
}

.pricing-note {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: rgba(79, 70, 229, 0.05);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

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

/* ==========================================
   TESTIMONIALS SECTION
   ========================================== */
.testimonials-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: var(--spacing-md);
    color: #F59E0B;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.testimonial-author {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid #E5E7EB;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.author-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ==========================================
   FAQ SECTION
   ========================================== */
.faq-section {
    padding: var(--spacing-2xl) 0;
}

.faq-grid {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.faq-question h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

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

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.faq-cta h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

/* ==========================================
   NEWSLETTER SECTION
   ========================================== */
.newsletter-section {
    padding: var(--spacing-2xl) 0;
    background: var(--gradient-primary);
}

.newsletter-content {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-xl);
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    color: white;
}

.newsletter-icon {
    width: 64px;
    height: 64px;
    background: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
}

.newsletter-text h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.newsletter-text p {
    font-size: 1rem;
    opacity: 0.9;
}

.newsletter-form .form-group {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1rem;
    font-family: inherit;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-form input:focus {
    outline: none;
    border-color: white;
    background: rgba(255, 255, 255, 0.15);
}

.newsletter-form .btn {
    flex-shrink: 0;
}

.newsletter-privacy {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    opacity: 0.8;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.cta-content > p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.cta-features {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
}

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

.cta-feature i {
    color: var(--secondary-color);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom i {
    color: var(--danger-color);
}

/* ==========================================
   CHAT WIDGET
   ========================================== */
.chat-widget {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 999;
}

.chat-widget-button {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
    position: relative;
}

.chat-widget-button:hover {
    transform: scale(1.1);
}

.chat-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--danger-color);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    border: 2px solid white;
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .hero-visual {
        order: -1;
    }

    .chat-preview-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.popular {
        transform: scale(1);
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .floating-card {
        display: none;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .video-highlights {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        grid-template-columns: 1fr;
    }

    .comparison-column.highlight {
        transform: scale(1);
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

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

    .newsletter-icon {
        margin: 0 auto;
    }

    .newsletter-form .form-group {
        flex-direction: column;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-features {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .chat-widget {
        bottom: 1rem;
        left: 1rem;
    }

    .chat-widget-button {
        width: 56px;
        height: 56px;
    }
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.text-center {
    text-align: center;
}

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

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