/* ===================================
   Izovion - Main Stylesheet
   =================================== */

/* Variables */
:root {
    /* Modern vibrant color palette */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-navy: #6366f1; /* Keep for compatibility */
    --secondary: #0ea5e9;
    --secondary-dark: #0284c7;
    --secondary-light: #38bdf8;
    --secondary-blue: #0ea5e9; /* Keep for compatibility */
    --accent: #10b981;
    --accent-dark: #059669;
    --accent-light: #34d399;
    --accent-teal: #10b981; /* Keep for compatibility */
    --warm-accent: #f59e0b;
    --pink-accent: #ec4899;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);
    --gradient-accent: linear-gradient(135deg, #10b981 0%, #0ea5e9 100%);
    --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ec4899 100%);
    --gradient-hero: linear-gradient(135deg, rgba(99, 102, 241, 0.9) 0%, rgba(14, 165, 233, 0.9) 100%);
    
    /* Neutral colors */
    --white: #ffffff;
    --off-white: #fafbfc;
    --light-bg: #f8fafc;
    --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;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 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-colored: 0 10px 40px -15px rgba(99, 102, 241, 0.3);
    --shadow-gradient: 0 10px 40px -15px rgba(99, 102, 241, 0.2);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

/* Kinetic Typography */
.kinetic-text {
    display: inline-block;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s ease-out forwards;
}

.kinetic-text:nth-child(2) { animation-delay: 0.2s; }
.kinetic-text:nth-child(3) { animation-delay: 0.4s; }
.kinetic-text:nth-child(4) { animation-delay: 0.6s; }

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

/* Scroll-triggered animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

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

/* Dark Mode Variables */
[data-theme="dark"] {
    --primary: #8b5cf6;
    --primary-dark: #7c3aed;
    --primary-light: #a78bfa;
    --secondary: #06b6d4;
    --secondary-dark: #0891b2;
    --secondary-light: #67e8f9;
    --accent: #10b981;
    --accent-dark: #059669;
    --accent-light: #34d399;
    
    --white: #1f2937;
    --off-white: #111827;
    --light-bg: #0f172a;
    --gray-50: #0f172a;
    --gray-100: #1e293b;
    --gray-200: #334155;
    --gray-300: #475569;
    --gray-400: #64748b;
    --gray-500: #94a3b8;
    --gray-600: #cbd5e1;
    --gray-700: #e2e8f0;
    --gray-800: #f1f5f9;
    --gray-900: #f8fafc;
}

/* Dark Mode Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: 12px;
    cursor: pointer;
    transition: var(--transition);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

[data-theme="dark"] .theme-toggle {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 0, 0, 0.4);
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar {
    padding: 1rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover {
    color: var(--accent-teal);
}

/* Keyboard/focus accessibility */
.has-dropdown:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

:focus-visible {
    outline: 2px solid var(--accent-teal);
    outline-offset: 2px;
}

/* Dropdown Menu */
.has-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: -20px;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: 8px;
    padding: 1.5rem;
    min-width: 400px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 1rem;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-column h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-600);
    margin-bottom: 0.75rem;
}

.dropdown-column a {
    display: block;
    padding: 0.5rem 0;
    color: var(--gray-700);
    text-decoration: none;
    transition: var(--transition);
}

.dropdown-column a:hover {
    color: var(--accent-teal);
    transform: translateX(4px);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--gray-700);
    margin: 3px 0;
    transition: var(--transition);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 6px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-colored);
    position: relative;
    overflow: hidden;
    font-weight: 600;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px -10px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    font-weight: 600;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

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

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.cta-button {
    background: linear-gradient(135deg, var(--accent-teal), var(--accent-light));
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 500;
}

/* Hero Section */
.hero {
    padding: 140px 0;
    background: var(--gradient-secondary);
    position: relative;
    overflow: hidden;
}

.hero.with-image {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.95) 0%, rgba(14, 165, 233, 0.95) 100%),
                url('../images/index-hero.png') center/cover no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -25%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

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

.hero-visual {
    position: relative;
    height: 500px;
}

.floating-element {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 1.5rem;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 10%;
    right: 20%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    top: 30%;
    right: 60%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(2deg); }
    66% { transform: translateY(-10px) rotate(-1deg); }
}

/* Mobile responsive */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-visual {
        height: 300px;
    }
}

.hero-title {
    margin-bottom: 1.5rem;
    font-weight: 900;
    color: var(--white);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    position: relative;
}

/* Brutalist text effects */
.hero-title::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.05) 50%, transparent 70%);
    z-index: -1;
    transform: skew(-2deg);
}

.hero-subtitle {
    font-size: 1.375rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3rem;
    font-weight: 400;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.trust-indicators {
    display: flex;
    justify-content: center;
    gap: 2rem;
    opacity: 0.7;
}

/* Page-specific hero sections */
.about-hero, .capabilities-hero, .contact-hero,
.solution-hero, .case-hero {
    padding: 140px 0;
    position: relative;
    overflow: hidden;
    color: var(--white);
    text-align: center;
}

.about-hero {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.9) 0%, rgba(236, 72, 153, 0.9) 100%),
                url('../images/about-hero.png') center/cover no-repeat;
}

.capabilities-hero {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.9) 0%, rgba(16, 185, 129, 0.9) 100%),
                url('../images/capabilities-hero.png') center/cover no-repeat;
}

.contact-hero {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.9) 0%, rgba(236, 72, 153, 0.9) 100%),
                url('../images/contact-hero.png') center/cover no-repeat;
}

.solution-hero.legal {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.9) 0%, rgba(14, 165, 233, 0.9) 100%),
                url('../images/legal-ai-hero.png') center/cover no-repeat;
}

.solution-hero.manufacturing {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.9) 0%, rgba(14, 165, 233, 0.9) 100%),
                url('../images/manufacturing-hero.png') center/cover no-repeat;
}

.solution-hero.retail {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.9) 0%, rgba(245, 158, 11, 0.9) 100%),
                url('../images/retail-hero.png') center/cover no-repeat;
}

.case-hero {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.9) 0%, rgba(16, 185, 129, 0.9) 100%),
                url('../images/beautyagent-hero.png') center/cover no-repeat;
}

.trust-badge img {
    height: 40px;
    width: auto;
    filter: grayscale(100%);
    transition: var(--transition);
}

.trust-badge img:hover {
    filter: grayscale(0%);
}

/* Problem-Solution Section */
.problem-solution {
    padding: 100px 0;
    background: var(--white);
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    color: var(--gray-900);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    position: relative;
    letter-spacing: -0.02em;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.5rem;
}

.challenge-card {
    background: var(--white);
    border: none;
    border-radius: 20px;
    padding: 2.5rem;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.challenge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-primary);
}

.challenge-card:nth-child(2)::before {
    background: var(--gradient-secondary);
}

.challenge-card:nth-child(3)::before {
    background: var(--gradient-accent);
}

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

.icon-wrapper {
    display: none;
}

.icon {
    display: none;
}

.challenge-card h3 {
    color: var(--gray-900);
    margin-bottom: 1rem;
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.challenge-card:nth-child(2) h3 {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.challenge-card:nth-child(3) h3 {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.challenge-card p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    line-height: 1.7;
}

.solution {
    padding-top: 1.5rem;
    border-top: 2px solid var(--gray-100);
    color: var(--gray-700);
}

.solution strong {
    color: var(--primary);
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

/* Privacy Advantage Section */
.privacy-advantage {
    padding: 100px 0;
    background: var(--white);
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.text-content h2 {
    color: var(--primary-navy);
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
    text-align: center;
}

.lead {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 3rem;
    text-align: center;
}

.benefits-list {
    list-style: none;
    margin-bottom: 3rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.benefits-list li {
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 12px;
    border-left: 4px solid var(--accent-teal);
    transition: var(--transition);
}

.benefits-list li:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.benefits-list strong {
    display: block;
    color: var(--primary-navy);
    margin-bottom: 0.25rem;
}

.benefits-list span {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* Visual Content */
.visual-content {
    display: none;
}

/* Capabilities Preview */
.capabilities-preview {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.capabilities-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="%236366f1" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)" /></svg>');
    animation: drift 20s ease-in-out infinite;
}

@keyframes drift {
    0%, 100% { transform: translateX(0) translateY(0); }
    25% { transform: translateX(10px) translateY(-5px); }
    50% { transform: translateX(-5px) translateY(10px); }
    75% { transform: translateX(-10px) translateY(-10px); }
}

/* Modern Bento Grid Layout */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(3, minmax(200px, auto));
    gap: 1.5rem;
    height: 600px;
}

.capability-card:nth-child(1) {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
}

.capability-card:nth-child(2) {
    grid-column: 3 / 5;
    grid-row: 1 / 2;
}

.capability-card:nth-child(3) {
    grid-column: 3 / 4;
    grid-row: 2 / 4;
}

.capability-card:nth-child(4) {
    grid-column: 4 / 5;
    grid-row: 2 / 4;
}

/* Responsive bento grid */
@media (max-width: 768px) {
    .capabilities-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        height: auto;
    }
    
    .capability-card:nth-child(1),
    .capability-card:nth-child(2),
    .capability-card:nth-child(3),
    .capability-card:nth-child(4) {
        grid-column: 1;
        grid-row: auto;
    }
}

.capability-card {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 24px;
    padding: 2rem;
    transition: var(--transition);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Glassmorphism hover effect */
.capability-card:hover {
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(15px);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.capability-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-primary);
    opacity: 0.05;
    transform: rotate(45deg);
    transition: opacity 0.3s;
}

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

.capability-card:hover::before {
    opacity: 0.1;
}

.capability-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    animation: bounce 2s ease-in-out infinite;
}

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

.capability-card h3 {
    color: var(--gray-900);
    margin-bottom: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.capability-card p {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.capability-card ul {
    list-style: none;
}

.capability-card li {
    padding: 0.25rem 0;
    color: var(--gray-700);
    padding-left: 1.5rem;
    position: relative;
}

.capability-card li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-teal);
}

/* Interactive Demo Section */
.demo-section {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--white) 100%);
    position: relative;
}

.demo-content {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.demo-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.demo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.demo-card {
    background: var(--white);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

.demo-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.demo-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    text-align: left;
}

.demo-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 16px;
}

.demo-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
}

/* Chat Demo Styles */
.demo-window {
    background: var(--gray-50);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.demo-messages {
    padding: 1.5rem;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    padding: 1rem 1.5rem;
    border-radius: 20px;
    max-width: 80%;
    font-size: 0.95rem;
    line-height: 1.4;
}

.message.user {
    background: var(--primary);
    color: var(--white);
    align-self: flex-end;
    margin-left: auto;
}

.message.ai {
    background: var(--white);
    color: var(--gray-800);
    align-self: flex-start;
    border: 1px solid var(--gray-200);
}

.typing-indicator {
    display: flex;
    gap: 4px;
    align-items: center;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-400);
    animation: typing 1.4s ease-in-out infinite;
}

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

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

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

.demo-input {
    display: flex;
    padding: 1rem 1.5rem;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    gap: 1rem;
}

.demo-input input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 0.95rem;
    color: var(--gray-600);
}

.demo-btn {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.demo-btn:hover {
    background: var(--primary-dark);
}

/* Metrics Dashboard */
.metrics-dashboard {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.metric-item {
    text-align: left;
}

.metric-value {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
    font-weight: 500;
}

.metric-bar {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.metric-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 2s ease-out;
    animation: fillBar 2s ease-out;
}

@keyframes fillBar {
    from { width: 0; }
}

.demo-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 768px) {
    .demo-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .demo-cta {
        flex-direction: column;
        align-items: center;
    }
}

/* Case Study Preview */
.case-study-preview {
    padding: 100px 0;
    background: var(--gradient-primary);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.case-study-preview::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
}

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

.case-study-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.case-label {
    display: inline-block;
    background: var(--accent-teal);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.case-content h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.case-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.case-metrics {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-light);
}

.metric-label {
    display: block;
    font-size: 0.875rem;
    opacity: 0.8;
}

.case-cta {
    display: flex;
    gap: 1rem;
}

.case-visual img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

/* ROI Calculator */
.roi-calculator {
    padding: 80px 0;
    background: var(--light-bg);
}

.calculator-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.roi-form {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 1rem;
    transition: var(--transition);
}

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

.roi-results {
    background: var(--light-bg);
    border-radius: 8px;
    padding: 1.5rem;
}

.roi-results h3 {
    color: var(--primary-navy);
    margin-bottom: 1rem;
}

.roi-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.roi-metric {
    text-align: center;
    padding: 1rem;
    background: var(--white);
    border-radius: 8px;
}

.roi-metric .label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.roi-metric .value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-teal);
}

/* Final CTA */
.final-cta {
    padding: 100px 0;
    background: var(--white);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-warm);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="80" height="80" viewBox="0 0 80 80" xmlns="http://www.w3.org/2000/svg"><circle cx="40" cy="40" r="30" fill="none" stroke="%23ffffff" stroke-width="0.5" opacity="0.1"/></svg>');
    background-size: 80px 80px;
}

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

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    color: var(--white);
}

.cta-content p {
    font-size: 1.375rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-section .btn {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.cta-section .btn-primary {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.cta-section .btn-primary:hover {
    background: var(--gray-50);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.cta-section .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid var(--white);
}

/* Trust & Testimonials Section */
.trust-section {
    padding: 120px 0;
    background: var(--white);
    position: relative;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-bottom: 5rem;
}

.testimonial-card {
    background: var(--light-bg);
    border-radius: 24px;
    padding: 2.5rem;
    transition: var(--transition);
    border: 1px solid var(--gray-100);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.testimonial-content {
    margin-bottom: 2rem;
}

.quote-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.testimonial-content p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-700);
    font-style: italic;
    margin: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.author-name {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.author-title {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.trust-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding: 3rem 0;
    border-top: 1px solid var(--gray-200);
}

.trust-metric {
    text-align: center;
}

.trust-value {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.trust-label {
    font-size: 1rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .trust-metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

/* Footer */
footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 30px;
    width: auto;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-column h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 1rem;
}

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

.footer-column li {
    margin-bottom: 0.5rem;
}

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

.footer-column a:hover {
    color: var(--accent-light);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: block;
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-teal);
}

.social-links svg {
    width: 20px;
    height: 20px;
    fill: var(--gray-400);
}

.social-links a:hover svg {
    fill: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

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

.footer-links a:hover {
    color: var(--accent-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 1rem 0;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .case-study-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .benefits-list {
        grid-template-columns: 1fr;
    }
}