/* ===================================
   CSS Variables & Design Tokens
   =================================== */
:root {
    /* Colors - Vibrant & Modern Palette */
    --primary-600: #6366f1;
    --primary-700: #5558e3;
    --primary-800: #4338ca;
    --secondary-500: #8b5cf6;
    --secondary-600: #7c3aed;
    
    --accent-pink: #ec4899;
    --accent-teal: #14b8a6;
    --accent-orange: #f59e0b;
    --accent-green: #10b981;
    
    /* Neutrals */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #0f172a;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-inverse: #ffffff;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
    --gradient-accent: linear-gradient(135deg, #14b8a6 0%, #06b6d4 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    
    /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px 0 rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
    border-color: var(--primary-600);
    color: var(--primary-600);
    transform: translateY(-2px);
}

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

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    transition: transform var(--transition-base);
}

.btn-primary:hover .btn-icon {
    transform: translateX(4px);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
}

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

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    padding: 8rem 0 6rem;
    overflow: hidden;
    background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
}

.hero-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--gradient-primary);
    top: -300px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--gradient-secondary);
    bottom: -250px;
    left: -150px;
    animation-delay: 7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--gradient-accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-700);
    margin-bottom: var(--spacing-lg);
    animation: slideDown 0.6s ease-out;
}

.badge-icon {
    font-size: 1rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    animation: slideUp 0.6s ease-out 0.1s both;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    animation: slideUp 0.6s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    animation: slideUp 0.6s ease-out 0.3s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    animation: slideUp 0.6s ease-out 0.4s both;
}

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

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-600);
    font-family: var(--font-display);
}

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

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--gray-200);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    animation: slideLeft 0.8s ease-out 0.2s both;
}

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

.chat-preview {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

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

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.chat-info {
    flex: 1;
}

.chat-name {
    font-weight: 600;
    font-size: 1rem;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.875rem;
    opacity: 0.9;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    animation: pulse 2s ease-in-out infinite;
}

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

.chat-messages {
    padding: var(--spacing-lg);
    background: var(--gray-50);
    min-height: 300px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.message {
    display: flex;
    animation: messageSlide 0.3s ease-out;
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-received {
    justify-content: flex-start;
}

.message-sent {
    justify-content: flex-end;
}

.message-bubble {
    max-width: 70%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
}

.message-received .message-bubble {
    background: white;
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.message-sent .message-bubble {
    background: var(--gradient-primary);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-input {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: white;
    border-top: 1px solid var(--gray-200);
}

.chat-input input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-family: var(--font-primary);
    outline: none;
    transition: border-color var(--transition-fast);
}

.chat-input input:focus {
    border-color: var(--primary-600);
}

.send-btn {
    padding: 0.75rem 1rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.send-btn:hover {
    transform: scale(1.05);
}

/* Floating Cards */
.floating-card {
    position: absolute;
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border: 1px solid var(--gray-200);
    animation: floatCard 3s ease-in-out infinite;
}

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

.card-2 {
    bottom: 15%;
    left: -15%;
    animation-delay: 1.5s;
}

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

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

.card-title {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

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

/* ===================================
   Section Styles
   =================================== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-700);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===================================
   Benefits Section
   =================================== */
.benefits {
    padding: var(--spacing-3xl) 0;
    background: white;
}

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

.benefit-card {
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-600);
}

.benefit-icon {
    margin-bottom: var(--spacing-md);
}

.benefit-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.benefit-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.benefit-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.benefit-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.benefit-features li::before {
    content: '✓';
    color: var(--accent-green);
    font-weight: 700;
    font-size: 1.125rem;
}

/* ===================================
   Features Section
   =================================== */
.features {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
}

.features-showcase {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.feature-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.feature-reverse {
    direction: rtl;
}

.feature-reverse > * {
    direction: ltr;
}

.feature-number {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.feature-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.feature-description {
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.feature-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

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

.feature-list li::before {
    content: '→';
    color: var(--primary-600);
    font-weight: 700;
}

.feature-visual {
    position: relative;
}

.visual-placeholder {
    aspect-ratio: 4/3;
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
}

.gradient-bg-1 {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.gradient-bg-2 {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.1) 0%, rgba(244, 63, 94, 0.1) 100%);
}

.gradient-bg-3 {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
}

.tenant-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
}

.tenant-card {
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    font-weight: 600;
    text-align: center;
    animation: slideIn 0.5s ease-out;
}

.tenant-card:nth-child(2) {
    animation-delay: 0.1s;
}

.tenant-card:nth-child(3) {
    animation-delay: 0.2s;
}

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

.notification-demo {
    padding: var(--spacing-xl);
}

.notification {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: notificationSlide 0.5s ease-out;
}

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

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

.notification-title {
    font-weight: 600;
    color: var(--text-primary);
}

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

.visitor-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin: var(--spacing-xl);
}

.visitor-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
}

.visitor-name {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-primary);
}

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

.visitor-page {
    font-size: 0.875rem;
    color: var(--primary-600);
    margin-top: var(--spacing-xs);
}

/* ===================================
   Pricing Section
   =================================== */
.pricing {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

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

.pricing-featured {
    background: white;
    border-color: var(--primary-600);
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.375rem 1rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
}

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

.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.pricing-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    margin-bottom: var(--spacing-xs);
}

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

.price-amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-primary);
    font-family: var(--font-display);
    line-height: 1;
}

.price-period {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-left: var(--spacing-xs);
}

.pricing-model {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.check-icon {
    flex-shrink: 0;
    color: var(--accent-green);
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
}

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

.testimonial-card {
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.testimonial-rating {
    margin-bottom: var(--spacing-md);
}

.star {
    color: #fbbf24;
    font-size: 1.25rem;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: 1.0625rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

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

/* ===================================
   CTA Section
   =================================== */
.cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
    opacity: 0.3;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

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

.cta-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

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

.cta .btn-secondary {
    background: white;
    color: var(--primary-600);
    border: none;
}

.cta .btn-secondary:hover {
    background: var(--gray-100);
}

.cta-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    background: var(--bg-dark);
    color: var(--gray-400);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    max-width: 350px;
}

.footer-tagline {
    margin-top: var(--spacing-md);
    color: var(--gray-400);
    line-height: 1.7;
}

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

.footer-heading {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-column a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-700);
}

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

.footer-social a {
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.footer-social a:hover {
    color: white;
}

/* ===================================
   Animations
   =================================== */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero-container,
    .feature-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-visual {
        order: -1;
    }
    
    .feature-reverse {
        direction: ltr;
    }
    
    .floating-card {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        justify-content: space-around;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .benefits-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-title {
        font-size: 1.5rem;
    }
    
    .feature-list {
        grid-template-columns: 1fr;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-actions {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}