/* ===== DreamChain · Premium Design System v3.1 ===== */
/* Enhanced with better contrast and professional icons */

/* ===================
   CSS Custom Properties - IMPROVED CONTRAST
   =================== */
:root {
  /* Colors - Enhanced System with Better Contrast */
  --bg-primary: #0a0f1a;
  --bg-secondary: #1a2235;
  --bg-tertiary: #242e45;
  --bg-quaternary: #2d3a54;
  
  --text-primary: #ffffff;
  --text-secondary: #e2e8f0;
  --text-tertiary: #cbd5e1;
  --text-quaternary: #94a3b8;
  
  --accent-primary: #3b82f6;
  --accent-secondary: #8b5cf6;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-error: #ef4444;
  
  --border-primary: #374151;
  --border-secondary: #4b5563;
  --border-accent: #3b82f6;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-dark: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.15);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.25);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.3);
  --shadow-xl: 0 24px 64px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.3);
  
  /* Typography */
  --font-primary: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Layout */
  --header-height: 80px;
  --container-max: 1200px;
  --section-padding: clamp(4rem, 8vw, 8rem);
}

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

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

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===================
   Typography - IMPROVED CONTRAST
   =================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
  line-height: 1.7;
}

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

/* ===================
   Layout & Container
   =================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section.alt {
  background: var(--bg-secondary);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header.center {
  text-align: center;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===================
   Animated Background - LIGHTER
   =================== */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.gradient-orbs {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.15;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: var(--accent-primary);
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 300px;
  height: 300px;
  background: var(--accent-secondary);
  top: 60%;
  right: 10%;
  animation-delay: -5s;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: var(--accent-success);
  bottom: 20%;
  left: 20%;
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  33% {
    transform: translateY(-30px) scale(1.05);
  }
  66% {
    transform: translateY(20px) scale(0.95);
  }
}

/* ===================
   Header & Navigation - IMPROVED CONTRAST
   =================== */
.site-header {
  position: fixed;
  top: var(--space-lg);
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition-normal);
}

.site-header.scrolled {
  top: 0;
}

.site-header.scrolled .nav-shell {
  backdrop-filter: blur(20px);
  background: rgba(10, 15, 26, 0.95);
  border-color: rgba(255, 255, 255, 0.15);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-lg);
  background: rgba(10, 15, 26, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  backdrop-filter: blur(20px);
  transition: var(--transition-normal);
}

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

.brand-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}

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

/* FIXED: Navbar Active States */
.site-nav a {
  position: relative;
  text-decoration: none;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  border: none !important;
  outline: none !important;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.site-nav a[aria-current="page"],
.site-nav a.active {
  color: var(--accent-primary) !important;
  background: rgba(59, 130, 246, 0.15) !important;
  border: none !important;
  text-decoration: none !important;
  box-shadow: none !important;
}

.site-nav a::after {
  display: none !important;
}

/* FIXED: CTA Button */
.nav-cta {
  background: var(--gradient-primary) !important;
  color: white !important;
  border: none !important;
  padding: var(--space-sm) var(--space-lg) !important;
  border-radius: var(--radius-full) !important;
  font-weight: 600;
  text-decoration: none !important;
}

.nav-cta:hover {
  background: var(--gradient-primary) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow) !important;
}

.site-nav a:focus {
  outline: none !important;
  box-shadow: none !important;
}

/* FIXED: Mobile Menu Styles */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.mobile-menu-btn span {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-fast);
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100%;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-primary);
  z-index: 1000;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-primary);
}

.mobile-menu-close {
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--space-sm);
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-menu-links a {
  padding: var(--space-md);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.mobile-menu-links a:hover,
.mobile-menu-links a.active {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-primary);
}

/* ===================
   Buttons - IMPROVED CONTRAST
   =================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  font-family: var(--font-primary);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: var(--transition-slow);
}

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

/* Button Sizes */
.btn.sm { padding: var(--space-sm) var(--space-md); font-size: 0.875rem; }
.btn.md { padding: var(--space-md) var(--space-lg); }
.btn.lg { padding: var(--space-lg) var(--space-xl); font-size: 1.125rem; }
.btn.xl { padding: var(--space-xl) var(--space-2xl); font-size: 1.25rem; }

/* Button Variants */
.btn.primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glow);
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow), 0 8px 32px rgba(59, 130, 246, 0.3);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
}

.btn.secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.btn.ghost {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
}

.btn.ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

/* Button Effects */
.btn-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-normal);
}

.btn:hover .btn-glow {
  opacity: 0.1;
}

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

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

#neural-network {
  width: 100%;
  height: 100%;
  opacity: 0.4;
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.float-element {
  position: absolute;
  font-size: 2rem;
  animation: float-element 20s ease-in-out infinite;
  opacity: 0.2;
}

.el-1 { top: 20%; left: 10%; animation-delay: 0s; }
.el-2 { top: 60%; right: 15%; animation-delay: -5s; }
.el-3 { bottom: 30%; left: 20%; animation-delay: -10s; }
.el-4 { top: 40%; right: 25%; animation-delay: -15s; }

@keyframes float-element {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  33% {
    transform: translateY(-30px) rotate(120deg);
  }
  66% {
    transform: translateY(20px) rotate(240deg);
  }
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-2xl);
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.875rem;
}

.hero-title {
  margin-bottom: var(--space-lg);
}

.title-line {
  display: block;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--space-2xl);
  color: var(--text-secondary);
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  margin: var(--space-2xl) 0;
}

.stat {
  text-align: center;
}

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

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

.hero-audience {
  margin: var(--space-2xl) 0;
}

.audience-tags {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.audience-tag {
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin: var(--space-2xl) 0;
}

.hero-trust {
  margin-top: var(--space-2xl);
}

.trust-items {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

.trust-icon {
  color: var(--accent-success);
}

/* ===================
   Logo Marquee
   =================== */
.logo-marquee {
  background: rgba(26, 34, 53, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem 0;
  overflow: hidden;
  position: relative;
}

.marquee-container {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 3rem;
  animation: marquee-scroll 40s linear infinite;
  width: max-content;
}

.marquee-item {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.marquee-item.text-item {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  white-space: nowrap;
}

.logo-img {
  height: 24px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  filter: grayscale(100%) brightness(2);
  opacity: 0.7;
  transition: all 0.3s ease;
}

/* Logo-specific adjustments */
.marquee-item:nth-child(2) .logo-img { height: 22px; }
.marquee-item:nth-child(3) .logo-img { height: 26px; }
.marquee-item:nth-child(4) .logo-img { height: 20px; }
.marquee-item:nth-child(5) .logo-img { height: 22px; }
.marquee-item:nth-child(6) .logo-img { height: 18px; }
.marquee-item:nth-child(7) .logo-img { height: 24px; }
.marquee-item:nth-child(8) .logo-img { height: 22px; }
.marquee-item:nth-child(9) .logo-img { height: 20px; }

/* Hover effects */
.marquee-item:hover .logo-img {
  filter: grayscale(0%) brightness(1);
  opacity: 1;
  transform: scale(1.05);
}

.marquee-item:hover.text-item {
  color: var(--accent-primary);
}

/* Marquee animation */
@keyframes marquee-scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-100% / 2));
  }
}

/* Pause animation on hover */
.marquee-container:hover .marquee-track {
  animation-play-state: paused;
}

/* Gradient fade edges */
.marquee-container::before,
.marquee-container::after {
  content: '';
  position: absolute;
  top: 0;
  width: 100px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.marquee-container::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg-primary) 0%, transparent 100%);
}

.marquee-container::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg-primary) 0%, transparent 100%);
}

/* ===================
   Features Grid - WITH PROFESSIONAL ICONS
   =================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.feature-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0.05;
  transition: var(--transition-slow);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
  left: 0;
}

.feature-icon {
  margin-bottom: var(--space-lg);
}

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

.feature-card h3 {
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===================
   Features Showcase
   =================== */
.features-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.showcase-content h2 {
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.showcase-description {
  font-size: 1.125rem;
  margin-bottom: var(--space-2xl);
  color: var(--text-secondary);
  line-height: 1.7;
}

.feature-list {
  list-style: none;
}

.feature-list-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

.list-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-success);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.showcase-visual {
  display: flex;
  justify-content: center;
}

.visual-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  width: 300px;
}

.card-header {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.card-dots span {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-tertiary);
}

.card-dots span:nth-child(1) { background: var(--accent-error); }
.card-dots span:nth-child(2) { background: var(--accent-warning); }
.card-dots span:nth-child(3) { background: var(--accent-success); }

.card-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.code-line {
  height: 8px;
  background: var(--border-primary);
  border-radius: 4px;
}

.code-line.short { width: 60%; }
.code-line.medium { width: 80%; }
.code-line.full { width: 100%; }

/* ===================
   Brains Grid - WITH PROFESSIONAL ICONS
   =================== */
.brains-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.brain-card {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  transition: var(--transition-normal);
}

.brain-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
}

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

.brain-card h3 {
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.brain-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===================
   Steps
   =================== */
.steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  max-width: 600px;
  margin: var(--space-3xl) auto;
}

.step {
  display: flex;
  gap: var(--space-2xl);
  align-items: flex-start;
}

.step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.step-content h3 {
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.step-content p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.cta-section {
  text-align: center;
  margin-top: var(--space-3xl);
}

.cta-note {
  margin-top: var(--space-md);
  color: var(--text-tertiary);
}

/* ===================
   Sample Output
   =================== */
.sample-container {
  max-width: 800px;
  margin: 0 auto;
}

.sample-tabs {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  justify-content: center;
}

.sample-tab {
  padding: var(--space-md) var(--space-lg);
  background: transparent;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  font-weight: 500;
}

.sample-tab:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
}

.sample-tab.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.sample-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  overflow: hidden;
}

.sample-header {
  padding: var(--space-lg);
  background: var(--bg-quaternary);
  border-bottom: 1px solid var(--border-primary);
}

.sample-header h4 {
  margin: 0;
  color: var(--accent-primary);
}

.sample-body {
  padding: var(--space-lg);
}

.sample-body p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

.sample-body ul {
  color: var(--text-secondary);
  padding-left: var(--space-lg);
}

.sample-body li {
  margin-bottom: var(--space-sm);
  line-height: 1.6;
}

/* ===================
   Testimonials
   =================== */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.testimonial-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: var(--transition-normal);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
}

.testimonial-content {
  margin-bottom: var(--space-lg);
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.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: 600;
  flex-shrink: 0;
}

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

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

/* ===================
   Privacy Grid
   =================== */
.privacy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.privacy-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.privacy-feature {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
}

.privacy-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.privacy-feature h4 {
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.privacy-feature p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===================
   CTA Sections
   =================== */
.cta-section.final {
  background: var(--gradient-dark);
  text-align: center;
  padding: var(--space-3xl) 0;
}

.cta-content h2 {
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.cta-content p {
  font-size: 1.25rem;
  margin-bottom: var(--space-2xl);
  color: var(--text-secondary);
}

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

/* ===================
   Footer
   =================== */
.site-footer {
  background: var(--bg-secondary);
  padding: var(--space-3xl) 0 var(--space-2xl);
  border-top: 1px solid var(--border-primary);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-description {
  color: var(--text-tertiary);
  max-width: 300px;
  line-height: 1.7;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

.footer-column h4 {
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.footer-column a {
  display: block;
  color: var(--text-tertiary);
  text-decoration: none;
  margin-bottom: var(--space-sm);
  transition: var(--transition-fast);
  line-height: 1.6;
}

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

.footer-bottom {
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border-primary);
  text-align: center;
  color: var(--text-tertiary);
}

/* ===================
   Workspace Styles - CHAT INTERFACE
   =================== */
body.workspace {
  background: var(--bg-primary);
}

.workspace-header {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  text-align: center;
}

.workspace-hero {
  max-width: 800px;
  margin: 0 auto;
}

.workspace-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-2xl);
  color: var(--accent-success);
  font-weight: 600;
  font-size: 0.875rem;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-success);
  animation: pulse 2s ease-in-out infinite;
}

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

.workspace-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--space-2xl);
  color: var(--text-secondary);
  line-height: 1.7;
}

.workspace-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
}

.workspace-stat {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
}

.stat-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-primary);
}

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

/* FIXED: Neural Visualization Canvas */
.neural-viz-section,
.mind-viz-section {
  padding: var(--space-2xl) 0;
}

.neural-viz-container,
.mind-viz-container {
  position: relative;
  width: 100%;
  height: 400px;
  border-radius: var(--radius-xl);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  overflow: hidden;
}

#elite-neural-viz,
#elite-mind3d,
#neural-network {
  width: 100% !important;
  height: 100% !important;
  max-height: 400px !important;
  display: block;
}

/* FIXED: Workspace Layout */
.workspace-main {
  padding: var(--space-3xl) 0;
}

.workspace-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin: var(--space-2xl) 0;
  align-items: start;
}

/* ===================
   Chat Interface Styles - IMPROVED CONTRAST
   =================== */

.chat-container {
    max-width: 800px;
    margin: 0 auto;
    height: 70vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.chat-header {
    padding: var(--space-xl);
    background: var(--bg-quaternary);
    border-bottom: 1px solid var(--border-primary);
    text-align: center;
}

.chat-header h2 {
    margin: 0 0 var(--space-sm) 0;
    color: var(--text-primary);
    font-size: 1.5rem;
}

.chat-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    background: var(--bg-secondary);
}

.message {
    display: flex;
    gap: var(--space-md);
    animation: messageSlide 0.3s ease-out;
}

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

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
    font-size: 0.75rem;
}

.message.ai .message-avatar {
    background: var(--gradient-primary);
    color: white;
}

.message.user .message-avatar {
    background: var(--accent-secondary);
    color: white;
}

.message-content {
    max-width: 70%;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    line-height: 1.6;
    font-size: 0.95rem;
}

.message.ai .message-content {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.message.user .message-content {
    background: var(--accent-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.chat-input-container {
    padding: var(--space-xl);
    border-top: 1px solid var(--border-primary);
    background: var(--bg-quaternary);
}

.quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.quick-reply {
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.875rem;
    border: none;
    font-family: var(--font-primary);
}

.quick-reply:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.input-wrapper {
    display: flex;
    gap: var(--space-md);
    align-items: flex-end;
}

#chat-input {
    flex: 1;
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    resize: none;
    min-height: 60px;
    max-height: 120px;
    line-height: 1.5;
    transition: var(--transition-fast);
}

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

#chat-input::placeholder {
    color: var(--text-quaternary);
}

.send-button {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.send-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.send-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.input-hint {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    margin-top: var(--space-sm);
}

.typing-indicator {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    max-width: 70%;
    align-items: center;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--text-tertiary);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-4px); }
}

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

.business-ideas {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
}

.business-idea {
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
}

.business-idea:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.idea-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

.idea-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin: 0;
    line-height: 1.3;
}

.idea-badge {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--accent-success);
    font-weight: 600;
}

.idea-section {
    margin-bottom: var(--space-lg);
}

.idea-section h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.idea-section p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.idea-section ul {
    color: var(--text-secondary);
    padding-left: var(--space-lg);
    margin: 0;
}

.idea-section li {
    margin-bottom: var(--space-sm);
    line-height: 1.6;
}

.next-steps {
    background: rgba(59, 130, 246, 0.05);
    border-left: 3px solid var(--accent-primary);
    padding: var(--space-md);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.next-steps h4 {
    color: var(--accent-primary);
}

.next-steps p {
    margin-bottom: var(--space-sm);
}

.next-steps strong {
    color: var(--text-primary);
}

/* ===================
   Support Section
   =================== */
.support-section {
  padding: var(--space-3xl) 0;
}

.support-section.compact {
  padding: var(--space-2xl) 0;
}

.support-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.support-header {
  margin-bottom: var(--space-2xl);
}

.support-header h3 {
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.support-header p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.support-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.support-option {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition-normal);
}

.support-option:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-accent);
  transform: translateY(-2px);
  text-decoration: none;
}

.option-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.support-option.paypal .option-icon {
  background: #0070ba;
}

.support-option.bmc .option-icon {
  background: #ffdd00;
  color: #000;
}

.support-option.crypto .option-icon {
  background: #f7931a;
}

.option-title {
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.option-desc {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

.support-footer {
  color: var(--text-tertiary);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ===================
   Privacy Page Styles
   =================== */
body.page-privacy {
  background: var(--bg-primary);
}

.privacy-main {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
}

.privacy-hero {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-3xl);
}

.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-2xl);
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.875rem;
}

.privacy-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.privacy-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.privacy-card {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-2xl);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  transition: var(--transition-normal);
}

.privacy-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
}

.privacy-card.primary {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.05);
}

.privacy-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.privacy-content h3 {
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.privacy-content p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.7;
}

.privacy-details {
  margin-bottom: var(--space-3xl);
}

.details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.detail-section h3 {
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.detail-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.detail-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.item-icon {
  width: 24px;
  height: 24px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
  margin-top: 2px;
}

.item-content strong {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.item-content p {
  margin: 0;
  color: var(--text-tertiary);
  line-height: 1.7;
}

.data-flow {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.data-flow h3 {
  text-align: center;
  margin-bottom: var(--space-2xl);
  color: var(--text-primary);
}

.flow-steps {
  display: flex;
  justify-content: space-between;
  position: relative;
}

.flow-steps::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 50px;
  right: 50px;
  height: 2px;
  background: var(--border-primary);
  z-index: 1;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
  flex: 1;
}

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

.step-content {
  max-width: 200px;
}

.step-content h4 {
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.step-content p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.third-parties {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.third-parties-content h3 {
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.third-parties-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.services-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.service-item {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.service-info h4 {
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.service-info p {
  margin: 0;
  color: var(--text-tertiary);
  line-height: 1.7;
}

.contact-section {
  text-align: center;
}

.contact-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  max-width: 500px;
  margin: 0 auto;
}

.contact-card h3 {
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.contact-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.contact-email {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  color: var(--text-primary);
  font-weight: 600;
}

/* ===================
   Utility Classes
   =================== */
.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

.flex {
  display: flex !important;
}

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

.mb-0 {
  margin-bottom: 0 !important;
}

.mt-0 {
  margin-top: 0 !important;
}

.loading .btn-text {
  display: none;
}

.loading .btn-loading {
  display: flex;
}

/* Toast notifications */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--accent-success);
  color: white;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  z-index: 10000;
  animation: slideIn 0.3s ease;
  font-weight: 500;
}

.toast.error {
  background: var(--accent-error);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ===================
   Animations
   =================== */
[data-aos] {
  opacity: 0;
  transition: all 0.6s ease;
}

[data-aos].aos-animate {
  opacity: 1;
}

[data-aos="fade-up"] {
  transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
  transform: translateY(0);
}

[data-aos="fade-down"] {
  transform: translateY(-30px);
}

[data-aos="fade-down"].aos-animate {
  transform: translateY(0);
}

[data-aos="fade-left"] {
  transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}

[data-aos="fade-right"] {
  transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
  transform: translateX(0);
}

[data-aos="zoom-in"] {
  transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
  transform: scale(1);
}

/* ===================
   Responsive Design
   =================== */
@media (max-width: 1024px) {
  .features-showcase,
  .privacy-grid,
  .details-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .workspace-layout {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
    --space-3xl: 3rem;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .site-nav {
    display: none;
  }
  
  .hero-stats,
  .trust-items,
  .hero-actions,
  .cta-actions {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .brains-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  
  .support-options {
    grid-template-columns: 1fr;
  }
  
  .flow-steps {
    flex-direction: column;
    gap: var(--space-2xl);
  }
  
  .flow-steps::before {
    display: none;
  }
  
  /* Mobile workspace layout */
  .workspace-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .chat-container {
    min-height: auto;
    padding: 0;
  }
  
  .panel-header {
    flex-direction: column;
    gap: var(--space-md);
    align-items: stretch;
  }
  
  .panel-actions {
    justify-content: center;
  }
  
  .action-hints {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .result-footer {
    flex-direction: column;
    gap: var(--space-lg);
    text-align: center;
  }
  
  .footer-actions {
    justify-content: center;
  }
  
  .footer-meta {
    justify-content: center;
  }
  
  .starter-chips {
    flex-direction: column;
  }
  
  .starter-chip {
    justify-content: center;
  }
  
  .empty-features {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  /* Mobile chat adjustments */
  .chat-container {
    height: 75vh;
    margin: 0 var(--space-sm);
  }
  
  .message-content {
    max-width: 85%;
  }
  
  .chat-header {
    padding: var(--space-lg);
  }
  
  .chat-messages {
    padding: var(--space-lg);
  }
  
  .business-idea {
    padding: var(--space-md);
  }
  
  .idea-header {
    flex-direction: column;
    gap: var(--space-sm);
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .btn.xl {
    padding: var(--space-lg) var(--space-xl);
    font-size: 1.125rem;
  }
  
  .feature-card,
  .brain-card,
  .testimonial-card {
    padding: var(--space-lg);
  }
  
  .panel-header {
    flex-direction: column;
    gap: var(--space-md);
    align-items: stretch;
  }
  
  .panel-actions {
    justify-content: center;
  }
}

/* ===================
   Print Styles
   =================== */
@media print {
  .animated-bg,
  .site-header,
  .site-footer,
  .btn,
  .mobile-menu-btn {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .container {
    max-width: none !important;
    padding: 0 !important;
  }
  
  .section {
    padding: 2rem 0 !important;
  }
}

/* ===================
   Accessibility
   =================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Selection styles */
::selection {
  background: rgba(59, 130, 246, 0.3);
  color: var(--text-primary);
}

/* FIXED: Performance Mode Styles */
.performance-mode .particles,
.performance-mode .float-element,
.performance-mode .orb {
  display: none;
}

.reduced-motion *,
.reduced-motion *::before,
.reduced-motion *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}

/* FIXED: Canvas dimension constraints */
canvas {
  max-width: 100%;
  height: auto;
}

/* FIXED: Mobile menu active state */
.mobile-menu[aria-hidden="false"] {
  display: flex;
}

.mobile-menu[aria-hidden="true"] {
  display: none;
}

/* FIXED: Ensure proper mobile menu overlay */
body.menu-open {
  overflow: hidden;
}

/* FIXED: Neural visualization controls */
.viz-controls {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-lg);
  display: flex;
  gap: var(--space-sm);
  z-index: 10;
}

.viz-control {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  backdrop-filter: blur(10px);
}

.viz-control:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--accent-primary);
}

/* FIXED: Workspace panel styles */
.input-panel,
.output-panel {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xl);
}

.panel-actions {
  display: flex;
  gap: var(--space-sm);
}

/* FIXED: Loading states */
.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* FIXED: Form elements */
.form-group {
  margin-bottom: var(--space-xl);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  font-weight: 600;
}

.input-container {
  position: relative;
}

.input-container input,
.input-container textarea {
  width: 100%;
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: var(--font-primary);
  transition: var(--transition-fast);
}

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

/* FIXED: Context options */
.context-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.context-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.context-field label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

.context-field select {
  padding: var(--space-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-primary);
}

/* FIXED: Quick starters */
.starter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.starter-chip {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
  font-family: var(--font-primary);
}

.starter-chip:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

/* FIXED: Action hints */
.action-hints {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  margin-top: var(--space-lg);
}

.hint-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

.hint-item kbd {
  padding: 2px 6px;
  background: var(--bg-secondary);