/* ============================================================================
   DAT Platform Website - Styles
   ============================================================================ */

/* CSS Variables */
:root {
  /* Colors */
  --color-bg: #0a0a0f;
  --color-bg-secondary: #12121a;
  --color-bg-tertiary: #1a1a24;
  --color-surface: #1e1e2a;
  --color-border: #2a2a3a;
  --color-border-light: #3a3a4a;

  --color-text: #ffffff;
  --color-text-secondary: #a0a0b0;
  --color-text-tertiary: #707080;

  --color-primary: #6366f1;
  --color-primary-light: #818cf8;
  --color-primary-dark: #4f46e5;
  --color-secondary: #8b5cf6;

  --color-accent: #22d3ee;
  --color-accent-2: #a855f7;

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  --gradient-text: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent) 50%, var(--color-accent-2) 100%);
  --gradient-surface: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg-secondary) 100%);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 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;
  --space-4xl: 5rem;

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

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-bounce: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-smooth: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Glass Morphism */
  --glass-bg: rgba(30, 30, 46, 0.85);
  --glass-bg-hover: rgba(35, 35, 52, 0.95);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-border-hover: rgba(255, 255, 255, 0.18);
  --glass-blur: blur(20px);
  --glass-blur-heavy: blur(40px);

  /* Enhanced Gradients */
  --gradient-card: linear-gradient(135deg, rgba(99, 102, 241, 0.06) 0%, rgba(34, 211, 238, 0.04) 100%);
  --gradient-card-hover: linear-gradient(135deg, rgba(99, 102, 241, 0.10) 0%, rgba(34, 211, 238, 0.06) 100%);
  --gradient-success: linear-gradient(135deg, #10b981, #34d399);
  --gradient-warning: linear-gradient(135deg, #f59e0b, #fbbf24);
  --gradient-error: linear-gradient(135deg, #ef4444, #f87171);
  --gradient-info: linear-gradient(135deg, #6366f1, #818cf8);

  /* Glow Effects */
  --glow-primary: 0 0 20px rgba(99, 102, 241, 0.15);
  --glow-success: 0 0 20px rgba(16, 185, 129, 0.15);
  --glow-warning: 0 0 20px rgba(245, 158, 11, 0.15);
  --glow-error: 0 0 20px rgba(239, 68, 68, 0.15);

  /* Enhanced Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.06);
  --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.10);
  --shadow-modal: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.08);
}

/* ============================================================================
   Light Theme Overrides
   ============================================================================ */
:root.light-theme {
  --color-bg: #f4f6f9;
  --color-bg-secondary: #edf0f4;
  --color-bg-tertiary: #e2e6ec;
  --color-surface: #ffffff;
  --color-border: #d1d5db;
  --color-border-light: #e5e7eb;

  --color-text: #0f172a;
  --color-text-secondary: #334155;
  --color-text-tertiary: #64748b;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.12);

  /* Glass Morphism */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-bg-hover: rgba(255, 255, 255, 0.95);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-border-hover: rgba(0, 0, 0, 0.14);

  /* Enhanced Gradients */
  --gradient-card: linear-gradient(135deg, rgba(99, 102, 241, 0.04) 0%, rgba(34, 211, 238, 0.03) 100%);
  --gradient-card-hover: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(34, 211, 238, 0.05) 100%);
  --gradient-surface: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg-secondary) 100%);

  /* Glow Effects */
  --glow-primary: 0 0 20px rgba(99, 102, 241, 0.08);
  --glow-success: 0 0 20px rgba(16, 185, 129, 0.08);
  --glow-warning: 0 0 20px rgba(245, 158, 11, 0.08);
  --glow-error: 0 0 20px rgba(239, 68, 68, 0.08);

  /* Enhanced Shadows */
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 4px 20px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.06);
  --shadow-modal: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.06);
}

/* Light Theme — Button Overrides */
:root.light-theme .btn-primary {
  box-shadow: var(--shadow-md), 0 0 12px rgba(99, 102, 241, 0.15);
}

:root.light-theme .btn-primary:hover {
  box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.2);
}

:root.light-theme .btn-outline {
  border-color: #d1d5db;
  color: #334155;
}

:root.light-theme .btn-outline:hover {
  background: #f1f5f9;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

:root.light-theme .btn-secondary {
  background: #ffffff;
  border-color: #d1d5db;
  color: #334155;
}

:root.light-theme .btn-secondary:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
}

:root.light-theme .btn-ghost:hover {
  background: #f1f5f9;
}

:root.light-theme .btn-danger {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.25);
}

:root.light-theme .btn-danger-outline {
  border-color: rgba(239, 68, 68, 0.25);
}

:root.light-theme .btn-danger-outline:hover {
  background: rgba(239, 68, 68, 0.08);
}

:root.light-theme .btn-sm {
  border: 1px solid var(--color-border);
  background: var(--glass-bg);
  color: var(--color-text-secondary);
}

:root.light-theme .btn-sm:hover {
  background: var(--glass-bg-hover);
  border-color: var(--color-border-light);
}

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

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-bg);
}

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

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

ul {
  list-style: none;
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.3);
}

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

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

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

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

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

.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
}

.btn-danger-outline {
  background: transparent;
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger-outline:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: #ef4444;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: none;
}

.btn-ghost:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
}

.btn-sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.875rem;
  gap: var(--space-xs);
}

.btn-icon {
  width: 1.25rem;
  height: 1.25rem;
}

.btn-icon-left {
  width: 1.25rem;
  height: 1.25rem;
  margin-right: var(--space-xs);
}

/* Utility Bar */
.utility-bar {
  background: rgba(0, 0, 0, 0.3);
  padding: 6px 0;
  font-size: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.utility-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.utility-left { color: var(--color-text-secondary); font-weight: 600; }
.utility-announcement a {
  color: var(--color-primary-light);
  text-decoration: none;
  font-weight: 600;
  margin-left: 0.5rem;
}
.utility-announcement a:hover {
  text-decoration: underline;
}
.utility-right {
  display: flex;
  gap: 1.5rem;
}
.utility-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--color-text-tertiary);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}
.utility-link svg {
  width: 14px;
  height: 14px;
  opacity: 0.7;
}
.utility-link:hover { color: var(--color-text); }
.utility-link:hover svg { opacity: 1; }

/* Navigation */
.navbar {
  position: fixed;
  top: 32px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  background: transparent;
}

/* Floating Pill Nav */
.nav-pill {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  background: rgba(30, 30, 46, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  padding: 6px 24px;
}
.nav-pill .logo {
  margin-right: var(--space-lg);
}

.nav-cta {
  border-radius: 9999px;
  padding: 8px 20px;
  font-size: 0.875rem;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  font-size: 1.5rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.logo:hover {
  transform: translateY(-1px);
}

.logo:hover .logo-icon {
  transform: rotate(45deg) scale(1.1);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary, #8b5cf6));
  color: white;
  font-size: 1.25rem;
  font-weight: 800;
  border-radius: 10px;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.logo-shield {
  height: 36px;
  width: auto;
  max-height: 36px;
  transition: all var(--transition-fast);
}

.logo:hover .logo-shield {
  transform: scale(1.1);
  filter: drop-shadow(0 4px 12px rgba(99, 102, 241, 0.5));
}

.logo-text {
  background: linear-gradient(135deg, var(--color-text), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  letter-spacing: -0.5px;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
}

.nav-links a {
  color: var(--color-text-secondary);
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 999px;
  white-space: nowrap;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

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

/* ---- Mega Dropdown Navigation ---- */
.nav-links > li {
  position: relative;
}

.nav-links > li.has-dropdown > a::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-left: 4px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--transition-fast);
}

.nav-links > li.has-dropdown:hover > a::after {
  transform: rotate(-135deg) translateY(-2px);
}

.nav-links > li.has-dropdown:hover > a {
  color: #fff;
  background-color: var(--color-primary);
}

.mega-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: rgba(15, 18, 35, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(99, 102, 241, 0.08);
  padding: 28px 32px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms ease, transform 200ms ease, visibility 200ms ease;
  pointer-events: none;
  z-index: 1001;
  white-space: nowrap;
}

/* Hover bridge — prevents close when moving mouse diagonally to panel */
.mega-dropdown::before {
  content: '';
  position: absolute;
  top: -16px;
  left: 0;
  right: 0;
  height: 16px;
}

.nav-links > li.has-dropdown:hover > .mega-dropdown,
.nav-links > li.has-dropdown:focus-within > .mega-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.mega-dropdown-columns {
  display: grid;
  gap: 36px;
}

/* Column count by dropdown type */
.mega-dropdown.cols-3 .mega-dropdown-columns { grid-template-columns: repeat(3, 1fr); min-width: 640px; }
.mega-dropdown.cols-2 .mega-dropdown-columns { grid-template-columns: repeat(2, 1fr); min-width: 420px; }

.mega-dropdown-column h4 {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.12);
}

.mega-dropdown-column a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  margin: 0 -10px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.mega-dropdown-column a:hover {
  background: rgba(99, 102, 241, 0.1);
  color: #fff;
}

.mega-dropdown .badge {
  display: inline-block;
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  border-radius: 9999px;
  background: rgba(99, 102, 241, 0.2);
  color: var(--color-primary-light);
  line-height: 1;
  margin-left: auto;
}

/* ---- End Mega Dropdown ---- */

.nav-actions {
  display: flex;
  gap: var(--space-md);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
}

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

/* Social Proof / Logo Bar */
.social-proof {
  padding: var(--space-2xl) 0 var(--space-3xl);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.social-proof-metrics {
  display: flex;
  justify-content: center;
  gap: var(--space-4xl);
  margin-bottom: var(--space-2xl);
}

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

.proof-metric-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.proof-metric-label {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  margin-top: 4px;
}

.social-proof-label {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 500;
  margin-bottom: var(--space-lg);
}

.social-proof-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xl);
  flex-wrap: wrap;
}

.social-proof-logos .proof-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-tertiary);
  font-size: 0.9375rem;
  font-weight: 600;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.social-proof-logos .proof-logo:hover {
  opacity: 1;
}

.social-proof-logos .proof-logo svg {
  width: 24px;
  height: 24px;
}

.social-proof-logos .proof-logo .proof-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 1.125rem;
}

/* Features Show More */
.features-grid .feature-card.hidden-card {
  display: none;
}

.features-grid.expanded .feature-card.hidden-card {
  display: block;
}

.features-show-more {
  text-align: center;
  margin-top: var(--space-xl);
}

.features-show-more button {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.features-show-more button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.features-show-more button svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s;
}

.features-grid.expanded + .features-show-more button svg {
  transform: rotate(180deg);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(80px + var(--space-4xl)) 0 var(--space-4xl);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, black 70%, transparent 110%);
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
}

.orb-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
  background: var(--color-primary);
}

.orb-2 {
  width: 400px;
  height: 400px;
  bottom: 100px;
  left: -100px;
  background: var(--color-accent-2);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.hero h1 {
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

/* Video Card */
.video-card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(99, 102, 241, 0.15);
}

.video-card-inner {
  position: relative;
}

.video-placeholder {
  position: relative;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--color-surface), var(--color-bg-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-play-btn {
  position: absolute;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: transform var(--transition-base);
}

.video-play-btn:hover {
  transform: scale(1.1);
}

.video-play-btn svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
  margin-left: 3px;
}

.video-card-caption {
  padding: 12px 16px;
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  text-align: center;
}

/* Enterprise Pillars */
.enterprise-pillars {
  padding: var(--space-4xl) 0;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.pillar-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
}

.pillar-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.pillar-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  color: var(--color-primary-light);
}

.pillar-icon svg {
  width: 100%;
  height: 100%;
}

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

.pillar-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Trust Banner */
.trust-banner {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.trust-banner .container {
  text-align: center;
}

.trust-banner p {
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-xl);
}

.trust-logos {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  flex-wrap: wrap;
}

.logo-placeholder {
  padding: var(--space-md) var(--space-xl);
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
}

/* Section Styles */
section {
  padding: var(--space-4xl) 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.section-label {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary-light);
  margin-bottom: var(--space-md);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

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

/* Problem Section */
.problem-section {
  background: var(--color-bg-secondary);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.problem-card {
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.problem-card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-4px);
}

.problem-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(239, 68, 68, 0.1);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

.problem-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-error);
}

.problem-card h3 {
  margin-bottom: var(--space-sm);
}

.problem-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

/* Meet the DAT Agent Section */
.dat-agent-section {
  background: var(--color-bg);
  padding: var(--space-3xl) 0;
}

.agent-capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.agent-capability-card {
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.agent-capability-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.15);
  transform: translateY(-4px);
}

.agent-capability-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

.agent-capability-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary);
}

.agent-capability-card h3 {
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.agent-capability-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.agent-trust-kernel {
  background: var(--gradient-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  text-align: center;
}

.trust-kernel-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.kernel-step {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-primary-light);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.kernel-arrow {
  color: var(--color-text-muted);
  font-size: 1.25rem;
}

.trust-kernel-desc {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

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

.agent-cta .btn {
  display: flex;
  align-items: center;
}

@media (max-width: 768px) {
  .agent-capabilities-grid {
    grid-template-columns: 1fr;
  }
  .trust-kernel-flow {
    flex-direction: column;
    gap: var(--space-sm);
  }
  .kernel-arrow {
    transform: rotate(90deg);
  }
  .agent-cta {
    flex-direction: column;
    align-items: center;
  }
}

/* Features Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.1);
}

.feature-card.featured {
  grid-column: span 2;
  grid-row: span 2;
  background: var(--gradient-surface);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

.feature-icon.gradient-bg {
  background: var(--gradient-primary);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-text-secondary);
}

.feature-icon.gradient-bg svg {
  stroke: white;
}

.feature-card h3 {
  margin-bottom: var(--space-sm);
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.feature-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: linear-gradient(135deg, var(--color-success), #059669);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-full);
  margin-top: var(--space-md);
}

.feature-list {
  margin-top: var(--space-lg);
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.feature-list li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 600;
}

/* Human vs AI Detection Section */
.ai-detection-section {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
  position: relative;
  overflow: hidden;
}

.ai-detection-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.ai-detection-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.ai-detection-info h2 {
  margin-bottom: var(--space-lg);
}

.ai-detection-info > p {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
}

.detection-signals {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.signal-group h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-md);
}

.signal-group ul {
  list-style: none;
}

.signal-group li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.signal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

.signal.human {
  background: rgba(16, 185, 129, 0.2);
  color: var(--color-success);
}

.signal.ai {
  background: rgba(99, 102, 241, 0.2);
  color: var(--color-primary);
}

/* Demo Card */
.demo-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.demo-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.demo-label {
  font-weight: 600;
  color: var(--color-text);
}

.demo-status {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.demo-status.online::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

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

.demo-result {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

.result-icon {
  font-size: 2.5rem;
}

.result-info {
  display: flex;
  flex-direction: column;
}

.result-label {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.result-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-success);
}

.result-confidence {
  margin-left: auto;
  text-align: right;
}

.confidence-label {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  display: block;
  margin-bottom: var(--space-xs);
}

.confidence-bar {
  width: 100px;
  height: 6px;
  background: var(--color-bg);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-xs);
}

.confidence-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-success), #059669);
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}

.confidence-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-success);
}

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

.demo-signal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
}

.demo-signal.positive {
  border-left: 3px solid var(--color-success);
}

.demo-signal.negative {
  border-left: 3px solid var(--color-error);
}

.signal-strength {
  font-size: 0.75rem;
  padding: 0.125rem 0.5rem;
  background: rgba(16, 185, 129, 0.2);
  color: var(--color-success);
  border-radius: var(--radius-sm);
}

@media (max-width: 968px) {
  .ai-detection-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .detection-signals {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .ai-detection-content {
    gap: var(--space-lg);
  }

  .ai-detection-info h2 {
    font-size: 1.5rem;
  }

  .ai-detection-info > p {
    font-size: 1rem;
  }

  .detection-signals {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .demo-card {
    padding: var(--space-lg);
  }

  .demo-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .demo-signal {
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
  }
}

/* How It Works */
.how-section {
  background: var(--color-bg-secondary);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.step:hover {
  border-color: var(--color-primary);
}

.step-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

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

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

.step-code {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-accent);
}

/* TaaS Section */
.taas-section {
  padding: var(--space-3xl) 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
  position: relative;
}

.taas-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
  margin-top: var(--space-xl);
}

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

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

.taas-feature-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.taas-feature-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-primary-light);
}

.taas-feature h4 {
  margin: 0 0 4px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.taas-feature p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.taas-tiers {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.taas-tier {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  flex: 1;
  min-width: 80px;
}

.tier-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tier-quota {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary-light);
  margin-top: 2px;
}

.taas-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.taas-demo {
  position: sticky;
  top: 100px;
}

.taas-demo .code-window {
  font-size: 0.8rem;
}

.taas-demo .code-content .number {
  color: #f59e0b;
}

@media (max-width: 768px) {
  .taas-content {
    grid-template-columns: 1fr;
  }

  .taas-demo {
    position: static;
  }

  .taas-tiers {
    flex-wrap: wrap;
  }
}

/* Architecture Section */
.architecture-diagram {
  max-width: 900px;
  margin: 0 auto;
}

.arch-layer {
  margin-bottom: var(--space-md);
}

.layer-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-sm);
  text-align: center;
}

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

.arch-box {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-base);
}

.arch-box.highlight {
  background: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.3);
  color: var(--color-primary-light);
}

.arch-connector {
  width: 2px;
  height: 30px;
  background: var(--color-border);
  margin: 0 auto;
}

/* Use Cases */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.use-case-card {
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.use-case-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.use-case-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.use-case-icon.bot-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, #00d4aa, #0099ff);
  font-size: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.use-case-icon.bot-icon svg {
  width: 52px;
  height: 52px;
}

.use-case-card h3 {
  margin-bottom: var(--space-sm);
}

.use-case-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

/* CTA Section */
.cta-section {
  background: var(--gradient-surface);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.cta-content {
  max-width: 640px;
  margin: 0 auto;
}

.cta-content h2 {
  margin-bottom: var(--space-md);
}

.cta-content > p {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  margin-bottom: var(--space-2xl);
}

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

.cta-code {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.cta-code code {
  font-family: var(--font-mono);
  color: var(--color-accent);
}

.copy-btn {
  padding: var(--space-xs) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand p {
  color: var(--color-text-secondary);
  margin: var(--space-sm) 0 var(--space-md);
  max-width: 280px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.social-links {
  display: flex;
  gap: var(--space-md);
}

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
  border-color: var(--color-border-light);
}

.social-links svg {
  width: 18px;
  height: 18px;
}

.footer-links h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
}

.footer-legal {
  display: flex;
  gap: var(--space-xl);
}

.footer-legal a {
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--color-text-secondary);
}

/* ============================================================================
   Responsive — Tablet (max-width: 1024px)
   ============================================================================ */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    max-width: 600px;
    margin: 0 auto;
  }

  .utility-announcement {
    font-size: 0.6875rem;
  }

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

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

  .feature-card.featured {
    grid-column: span 2;
    grid-row: span 1;
  }

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

/* ============================================================================
   Responsive — Mobile (max-width: 768px)
   ============================================================================ */
@media (max-width: 768px) {
  /* Utility bar hidden on mobile */
  .utility-bar {
    display: none;
  }

  .navbar {
    top: 0;
  }

  /* Navigation — on mobile, strip the pill styling and hide links */
  .nav-pill {
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    border-radius: 0;
    padding: 0;
  }

  .nav-pill .nav-links {
    display: none;
  }

  .nav-actions {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding: calc(70px + var(--space-2xl)) 0 var(--space-2xl);
  }

  .hero .container {
    gap: var(--space-2xl);
  }

  .hero h1 {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }

  /* Social proof metrics — 2x2 grid on mobile */
  .social-proof-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  /* Pillars — 1 column on mobile */
  .pillars-grid {
    grid-template-columns: 1fr;
  }

  /* Sections — reduce padding */
  section {
    padding: var(--space-2xl) 0;
  }

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

  .section-header p {
    font-size: 1rem;
  }

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

  .feature-card.featured {
    grid-column: span 1;
  }

  /* How It Works steps */
  .step {
    flex-direction: column;
    text-align: center;
    padding: var(--space-lg);
    gap: var(--space-md);
  }

  .step-number {
    font-size: 2rem;
  }

  .step-code {
    font-size: 0.75rem;
    word-break: break-all;
  }

  /* Use Cases */
  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  /* CTA Section */
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .cta-code {
    width: 100%;
    max-width: 360px;
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .cta-code code {
    font-size: 0.8rem;
    word-break: break-all;
  }

  /* Footer */
  .footer {
    padding: var(--space-2xl) 0 var(--space-lg);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-xl);
  }

  .footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer-brand p {
    max-width: none;
  }

  .social-links {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .footer-legal {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
  }
}

/* ============================================================================
   Responsive — Small Mobile (max-width: 480px)
   ============================================================================ */
@media (max-width: 480px) {
  /* Container padding */
  .container {
    padding: 0 var(--space-md);
  }

  /* Hero */
  .hero {
    padding: calc(60px + var(--space-xl)) 0 var(--space-xl);
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .hero-subtitle {
    font-size: 0.9375rem;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }

  .stat-value {
    font-size: 1.25rem;
  }

  /* Code Window */
  .code-content {
    font-size: 0.6875rem;
    padding: var(--space-sm);
  }

  .code-header {
    padding: var(--space-sm) var(--space-md);
  }

  .code-title {
    font-size: 0.6875rem;
  }

  /* Trust Banner */
  .trust-banner {
    padding: var(--space-xl) 0;
  }

  .trust-logos {
    gap: var(--space-md);
  }

  .logo-placeholder {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.75rem;
  }

  /* Sections — further reduce */
  section {
    padding: var(--space-xl) 0;
  }

  /* Problem cards */
  .problem-card {
    padding: var(--space-lg);
  }

  /* Feature cards */
  .feature-card {
    padding: var(--space-lg);
  }

  /* Steps — How It Works */
  .step {
    padding: var(--space-md);
  }

  /* Architecture boxes */
  .arch-box {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.75rem;
  }

  /* Buttons — make full width */
  .btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
    width: 100%;
    max-width: 300px;
  }

  /* Demo card */
  .demo-result {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
    padding: var(--space-md);
  }

  .result-confidence {
    margin-left: 0;
    text-align: center;
  }

  .confidence-bar {
    margin: 0 auto var(--space-xs);
  }
}

/* ============================================================================
   Live Demos Section
   ============================================================================ */

.live-demos-section {
  padding: var(--space-4xl) 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 50%, var(--color-bg) 100%);
  position: relative;
  overflow: hidden;
}

.live-demos-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.live-demos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3rem;
  align-items: stretch;
}

.live-demo-card {
  display: flex;
  align-items: stretch;
  background: linear-gradient(145deg, #1e1e2a 0%, #15151f 100%);
  border: 1px solid #2a2a3a;
  border-radius: 1rem;
  padding: 2rem;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.live-demo-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--card-accent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.live-demo-card:hover {
  transform: translateY(-8px);
  border-color: #3a3a4a;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.live-demo-card:hover::before {
  opacity: 1;
}

.live-demo-card.healthcare {
  --card-accent: linear-gradient(90deg, #14b8a6, #06b6d4);
  --card-color: #14b8a6;
}

.live-demo-card.financial {
  --card-accent: linear-gradient(90deg, #f59e0b, #eab308);
  --card-color: #f59e0b;
}

.live-demo-card.chatbot {
  --card-accent: linear-gradient(90deg, #00d4aa, #0099ff);
  --card-color: #00d4aa;
}

.live-demo-card.showcase {
  --card-accent: linear-gradient(90deg, #6366f1, #8b5cf6);
  --card-color: #818cf8;
}

.live-demo-icon {
  font-size: 3rem;
  width: 80px;
  height: 80px;
  min-width: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 1rem;
  margin-right: 1.5rem;
}

.live-demo-card.healthcare .live-demo-icon {
  background: rgba(20, 184, 166, 0.15);
}

.live-demo-card.financial .live-demo-icon {
  background: rgba(245, 158, 11, 0.15);
}

.live-demo-card.chatbot .live-demo-icon {
  background: rgba(0, 212, 170, 0.15);
}

.live-demo-card.showcase .live-demo-icon {
  background: rgba(99, 102, 241, 0.15);
}

.live-demo-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.live-demo-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--card-color);
}

.live-demo-content p {
  color: #a0a0b0;
  line-height: 1.6;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.live-demo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.live-demo-tags span {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

.live-demo-card.healthcare .live-demo-tags span {
  background: rgba(20, 184, 166, 0.15);
  color: #5eead4;
}

.live-demo-card.financial .live-demo-tags span {
  background: rgba(245, 158, 11, 0.15);
  color: #fcd34d;
}

.live-demo-card.chatbot .live-demo-tags span {
  background: rgba(0, 212, 170, 0.15);
  color: #5eead4;
}

.live-demo-card.showcase .live-demo-tags span {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
}

.live-demo-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-radius: 8px;
  transition: all 0.2s ease;
  margin-top: auto;
  align-self: flex-start;
}

.live-demo-card:hover .live-demo-cta {
  gap: 0.75rem;
  background: linear-gradient(135deg, #818cf8, #a78bfa);
  transform: translateX(3px);
}

.live-demos-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2.5rem;
  padding: 1rem 1.5rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 0.75rem;
  color: #a0a0b0;
  font-size: 0.9rem;
}

.live-demos-note .note-icon {
  font-size: 1.2rem;
}

.live-demos-note strong {
  color: #818cf8;
}

@media (max-width: 900px) {
  .live-demos-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .live-demo-card {
    flex-direction: column;
    text-align: center;
    align-items: center;
    padding: 1.5rem;
  }

  .live-demo-icon {
    margin-right: 0;
    margin-bottom: 1rem;
    width: 64px;
    height: 64px;
    min-width: 64px;
    font-size: 2.25rem;
  }

  .live-demo-content h3 {
    font-size: 1.2rem;
  }

  .live-demo-content p {
    font-size: 0.875rem;
  }

  .live-demo-tags {
    justify-content: center;
  }

  .live-demo-cta {
    justify-content: center;
    align-self: center;
  }

  .live-demos-note {
    flex-direction: column;
    text-align: center;
    padding: 0.875rem 1rem;
    font-size: 0.8rem;
  }
}

/* ============================================================================
   Dynamic Scoping Section (Homepage)
   ============================================================================ */

.dynamic-scoping-section {
  padding: 80px 0;
  background: linear-gradient(180deg, #0a0a0f 0%, #12121a 100%);
}

.dynamic-scoping-section .section-header {
  text-align: center;
  margin-bottom: 50px;
}

.dynamic-scoping-section .section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.scoping-comparison {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin: 50px 0;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.comparison-card {
  background: #1e1e2a;
  border-radius: 16px;
  padding: 32px;
  border: 1px solid #2a2a3a;
  position: relative;
  overflow: hidden;
}

.comparison-card.traditional {
  border-top: 3px solid #ef4444;
}
.comparison-card.traditional::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(239, 68, 68, 0.06) 0%, transparent 100%);
  pointer-events: none;
}

.comparison-card.dat {
  border: 2px solid #6366f1;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(34, 211, 238, 0.04));
}
.comparison-card.dat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.06) 0%, transparent 100%);
  pointer-events: none;
}

.comparison-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid #2a2a3a;
  position: relative;
}

.comparison-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.comparison-icon-wrap svg {
  width: 22px;
  height: 22px;
}
.comparison-icon-wrap.traditional {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.25);
}
.comparison-icon-wrap.dat {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.comparison-header h3 {
  font-size: 1.25rem;
  color: #ffffff;
  margin: 0;
  line-height: 1.3;
}

.comparison-subtitle {
  font-size: 0.8rem;
  color: #707080;
  font-weight: 400;
}

.comparison-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 18px 14px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 12px;
  position: relative;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 16px 14px;
  background: #12121a;
  border-radius: 12px;
  min-width: 100px;
  text-align: center;
  border: 1px solid transparent;
}

.flow-step.danger {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.3);
}

.flow-step.warning {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.3);
}

.flow-step.success {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.3);
}

.step-icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-icon-wrap svg {
  width: 20px;
  height: 20px;
}
.step-icon-wrap.neutral {
  background: rgba(160, 160, 176, 0.15);
  color: #a0a0b0;
}
.step-icon-wrap.danger {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}
.step-icon-wrap.warning {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}
.step-icon-wrap.success {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.step-label {
  font-size: 0.7rem;
  color: #a0a0b0;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.flow-arrow {
  flex-shrink: 0;
  color: #505060;
  display: flex;
  align-items: center;
}
.flow-arrow svg {
  width: 20px;
  height: 20px;
}

.comparison-result {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: 0;
}
.comparison-result svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.comparison-result.negative {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.comparison-result.positive {
  background: rgba(16, 185, 129, 0.1);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.scoping-levels {
  margin-top: 60px;
}

.scoping-levels h4 {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 30px;
  color: #ffffff;
}

.levels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  max-width: 900px;
  margin: 0 auto;
}

.level-card {
  background: #1e1e2a;
  border-radius: 12px;
  padding: 25px;
  border: 1px solid #2a2a3a;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.level-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.level-card.green {
  border-top: 4px solid #10b981;
}

.level-card.yellow {
  border-top: 4px solid #f59e0b;
}

.level-card.red {
  border-top: 4px solid #ef4444;
}

.level-header {
  margin-bottom: 15px;
}

.level-score {
  display: block;
  font-size: 0.8rem;
  color: #707080;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.level-status {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

.level-card.green .level-status {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.level-card.yellow .level-status {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
}

.level-card.red .level-status {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

.level-card p {
  color: #a0a0b0;
  font-size: 0.9rem;
  margin: 0;
}

.scoping-cta {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 50px;
}

/* ============================================================================
   Compliance Section (Homepage)
   ============================================================================ */

.compliance-section {
  padding: 80px 0;
  background: #12121a;
}

.compliance-section .section-header {
  text-align: center;
  margin-bottom: 50px;
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  max-width: 1000px;
  margin: 0 auto;
}

.compliance-card {
  background: #1e1e2a;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  border: 1px solid #2a2a3a;
  transition: all 0.3s ease;
}

.compliance-card:hover {
  border-color: #6366f1;
  transform: translateY(-5px);
}

.compliance-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.compliance-card h3 {
  font-size: 1.1rem;
  color: #ffffff;
  margin-bottom: 10px;
}

.compliance-card p {
  color: #a0a0b0;
  font-size: 0.875rem;
  margin-bottom: 15px;
  line-height: 1.5;
}

.compliance-status {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.compliance-status.ready {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
}

/* ============================================================================
   Enterprise CTA Section (Homepage)
   ============================================================================ */

.enterprise-cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(34, 211, 238, 0.1) 100%);
  border-top: 1px solid #2a2a3a;
  border-bottom: 1px solid #2a2a3a;
}

.enterprise-cta-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  align-items: center;
}

.enterprise-cta-info h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #818cf8 0%, #22d3ee 50%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.enterprise-cta-info > p {
  color: #a0a0b0;
  font-size: 1.1rem;
  margin-bottom: 30px;
  line-height: 1.6;
}

.enterprise-benefits {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
}

.enterprise-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 12px 0;
  color: #a0a0b0;
}

.enterprise-benefits li strong {
  color: #ffffff;
}

.benefit-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.benefit-icon .dat-logo-img {
  width: 24px;
  height: 24px;
  object-fit: cover;
  border-radius: 4px;
  vertical-align: middle;
}

.enterprise-actions {
  display: flex;
  gap: 15px;
}

.enterprise-stats {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.enterprise-stat {
  background: #1e1e2a;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  border: 1px solid #2a2a3a;
}

.enterprise-stat .stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, #818cf8 0%, #22d3ee 50%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 5px;
}

.enterprise-stat .stat-label {
  color: #a0a0b0;
  font-size: 0.875rem;
}

/* Responsive for new sections */
@media (max-width: 1024px) {
  .scoping-comparison {
    grid-template-columns: 1fr;
  }

  .levels-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

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

  .enterprise-cta-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }

  .enterprise-cta-info > p {
    margin-left: auto;
    margin-right: auto;
    max-width: 600px;
  }

  .enterprise-benefits li {
    justify-content: center;
    text-align: left;
  }

  .enterprise-actions {
    justify-content: center;
  }

  .enterprise-stats {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .enterprise-stat {
    flex: 1 1 150px;
  }
}

@media (max-width: 768px) {
  /* Dynamic Scoping */
  .dynamic-scoping-section {
    padding: 50px 0;
  }

  .dynamic-scoping-section .section-header h2 {
    font-size: 1.75rem;
  }

  .scoping-comparison {
    gap: 20px;
    margin: 30px 0;
  }

  .comparison-card {
    padding: 20px;
  }

  .comparison-header h3 {
    font-size: 1.1rem;
  }

  .comparison-flow {
    flex-direction: column;
    padding: 12px;
    gap: 8px;
  }

  .flow-step {
    min-width: unset;
    width: 100%;
    flex-direction: row;
    gap: 12px;
    padding: 10px 14px;
    text-align: left;
  }

  .flow-arrow {
    transform: rotate(90deg);
    font-size: 1rem;
  }

  .scoping-levels {
    margin-top: 30px;
  }

  .scoping-levels h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
  }

  .levels-grid {
    gap: 15px;
  }

  .level-card {
    padding: 18px;
  }

  /* Compliance */
  .compliance-section {
    padding: 50px 0;
  }

  .compliance-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .compliance-card {
    padding: 20px;
  }

  /* Enterprise CTA */
  .enterprise-cta-section {
    padding: 50px 0;
  }

  .enterprise-cta-info h2 {
    font-size: 1.75rem;
  }

  .enterprise-cta-info > p {
    font-size: 1rem;
  }

  .scoping-cta,
  .enterprise-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .scoping-cta .btn,
  .enterprise-actions .btn {
    text-align: center;
  }

  .enterprise-stat {
    padding: 20px;
  }

  .enterprise-stat .stat-value {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  /* Dynamic Scoping */
  .dynamic-scoping-section {
    padding: 30px 0;
  }

  .dynamic-scoping-section .section-header h2 {
    font-size: 1.4rem;
  }

  .comparison-card {
    padding: 15px;
  }

  .flow-step {
    padding: 8px 10px;
    font-size: 0.8rem;
  }

  .step-icon {
    font-size: 1.25rem;
  }

  .step-label {
    font-size: 0.6rem;
  }

  .comparison-result {
    font-size: 0.8rem;
    padding: 12px;
  }

  /* Compliance */
  .compliance-section {
    padding: 30px 0;
  }

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

  .compliance-card h3 {
    font-size: 1rem;
  }

  /* Enterprise CTA */
  .enterprise-cta-section {
    padding: 30px 0;
  }

  .enterprise-cta-info h2 {
    font-size: 1.35rem;
  }

  .enterprise-benefits li {
    font-size: 0.875rem;
    padding: 8px 0;
  }

  .enterprise-stat {
    padding: 15px;
    flex: 1 1 120px;
  }

  .enterprise-stat .stat-value {
    font-size: 1.25rem;
  }

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

/* ============================================================================
   Light Theme — Homepage Section Overrides
   ============================================================================ */

/* Theme toggle button */
.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}
.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
}
.theme-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-text);
}
:root.light-theme .theme-toggle-btn {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.1);
  color: #334155;
}
:root.light-theme .theme-toggle-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  color: #0f172a;
}

/* --- Utility Bar --- */
:root.light-theme .utility-bar {
  background: rgba(0, 0, 0, 0.04);
  border-bottom-color: rgba(0, 0, 0, 0.08);
}
:root.light-theme .utility-left {
  color: #475569;
}
:root.light-theme .utility-announcement a {
  color: #4f46e5;
}
:root.light-theme .utility-link {
  color: #64748b;
}
:root.light-theme .utility-link:hover {
  color: #0f172a;
}

/* --- Navbar --- */
:root.light-theme .navbar {
  background: transparent;
}
:root.light-theme .nav-pill {
  background: rgba(255, 255, 255, 0.9);
  border-color: #e5e7eb;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* --- Hero --- */
:root.light-theme .gradient-orb {
  opacity: 0.15;
}
:root.light-theme .grid-pattern {
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.06) 1px, transparent 1px);
}
:root.light-theme .video-card {
  background: rgba(0, 0, 0, 0.03);
  border-color: #e5e7eb;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}
:root.light-theme .video-placeholder {
  background: linear-gradient(135deg, #f8fafc, #edf2f7);
}
:root.light-theme .video-play-btn {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}
:root.light-theme .video-card-caption {
  color: #64748b;
}

/* --- Social proof metrics --- */
:root.light-theme .proof-metric-value {
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
:root.light-theme .proof-metric-label {
  color: #64748b;
}

/* --- Enterprise Pillars --- */
:root.light-theme .pillar-card {
  background: #ffffff;
  border-color: #e5e7eb;
}
:root.light-theme .pillar-card:hover {
  border-color: #6366f1;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.08);
}
:root.light-theme .pillar-card h3 {
  color: #0f172a;
}
:root.light-theme .pillar-card p {
  color: #475569;
}
:root.light-theme .pillar-icon {
  color: #4f46e5;
}

/* --- Live Demos --- */
:root.light-theme .live-demo-card {
  background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  border-color: #e5e7eb;
}
:root.light-theme .live-demo-card:hover {
  border-color: #d1d5db;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.08);
}
:root.light-theme .live-demo-content p {
  color: #475569;
}
:root.light-theme .live-demo-card.healthcare .live-demo-tags span {
  color: #0d9488;
}
:root.light-theme .live-demo-card.financial .live-demo-tags span {
  color: #d97706;
}
:root.light-theme .live-demo-card.chatbot .live-demo-tags span {
  color: #0d9488;
}
:root.light-theme .live-demo-card.showcase .live-demo-tags span {
  color: #4f46e5;
}
:root.light-theme .live-demos-note {
  background: rgba(99, 102, 241, 0.05);
  border-color: rgba(99, 102, 241, 0.12);
  color: #475569;
}
:root.light-theme .live-demos-note strong {
  color: #4f46e5;
}

/* --- Dynamic Scoping --- */
:root.light-theme .dynamic-scoping-section {
  background: linear-gradient(180deg, #f4f6f9 0%, #edf0f4 100%);
}
:root.light-theme .comparison-card {
  background: #ffffff;
  border-color: #e2e8f0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
:root.light-theme .comparison-card.traditional::before,
:root.light-theme .comparison-card.dat::before {
  opacity: 0.7;
}
:root.light-theme .comparison-header {
  border-bottom-color: #e2e8f0;
}
:root.light-theme .comparison-header h3 {
  color: #0f172a;
}
:root.light-theme .comparison-subtitle {
  color: #94a3b8;
}
:root.light-theme .comparison-icon-wrap.traditional {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.15);
}
:root.light-theme .comparison-icon-wrap.dat {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.15);
}
:root.light-theme .comparison-flow {
  background: #f8fafc;
}
:root.light-theme .flow-step {
  background: #ffffff;
  border-color: #e2e8f0;
}
:root.light-theme .flow-step.danger {
  background: rgba(239, 68, 68, 0.04);
  border-color: rgba(239, 68, 68, 0.2);
}
:root.light-theme .flow-step.warning {
  background: rgba(245, 158, 11, 0.04);
  border-color: rgba(245, 158, 11, 0.2);
}
:root.light-theme .flow-step.success {
  background: rgba(16, 185, 129, 0.04);
  border-color: rgba(16, 185, 129, 0.2);
}
:root.light-theme .step-label {
  color: #64748b;
}
:root.light-theme .flow-arrow {
  color: #cbd5e1;
}
:root.light-theme .comparison-result.negative {
  background: rgba(239, 68, 68, 0.05);
  border-color: rgba(239, 68, 68, 0.12);
  color: #dc2626;
}
:root.light-theme .comparison-result.positive {
  background: rgba(16, 185, 129, 0.05);
  border-color: rgba(16, 185, 129, 0.12);
  color: #059669;
}
:root.light-theme .level-card {
  background: #ffffff;
  border-color: #e2e8f0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
:root.light-theme .level-score {
  color: #64748b;
}
:root.light-theme .level-card p {
  color: #475569;
}

/* --- Compliance --- */
:root.light-theme .compliance-section {
  background: #edf0f4;
}
:root.light-theme .compliance-card {
  background: #ffffff;
  border-color: #e5e7eb;
}
:root.light-theme .compliance-card:hover {
  border-color: #6366f1;
}
:root.light-theme .compliance-card h3 {
  color: #0f172a;
}
:root.light-theme .compliance-card p {
  color: #475569;
}

/* --- Enterprise CTA --- */
:root.light-theme .enterprise-cta-section {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.04) 0%, rgba(34, 211, 238, 0.03) 100%);
  border-color: #e5e7eb;
}
:root.light-theme .enterprise-cta-info > p {
  color: #475569;
}
:root.light-theme .enterprise-benefits li {
  color: #475569;
}
:root.light-theme .enterprise-benefits li strong {
  color: #0f172a;
}
:root.light-theme .enterprise-stat {
  background: #ffffff;
  border-color: #e5e7eb;
}
:root.light-theme .enterprise-stat .stat-label {
  color: #64748b;
}

/* --- Footer link colors --- */
:root.light-theme .footer-links a {
  color: #475569;
}
:root.light-theme .footer-links a:hover {
  color: #0f172a;
}
:root.light-theme .footer-bottom {
  color: #64748b;
}

/* --- Section label pill --- */
:root.light-theme .section-label {
  background: rgba(99, 102, 241, 0.06);
  border-color: rgba(99, 102, 241, 0.2);
  color: #4f46e5;
}

/* --- Social proof light mode --- */
:root.light-theme .social-proof {
  border-bottom-color: #e5e7eb;
}
:root.light-theme .social-proof-logos .proof-logo {
  color: #64748b;
}

/* --- Features show more light mode --- */
:root.light-theme .features-show-more button {
  background: #ffffff;
  border-color: #e2e8f0;
  color: #64748b;
}
:root.light-theme .features-show-more button:hover {
  border-color: #6366f1;
  color: #6366f1;
}

/* --- Feature card hover shadow --- */
:root.light-theme .feature-card:hover {
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.08);
}

/* --- Navbar links & scrolled state --- */
:root.light-theme .nav-links a {
  color: #475569;
}
:root.light-theme .nav-links a:hover {
  color: #fff;
  background-color: var(--color-primary);
}

/* --- Mega Dropdown light theme --- */
:root.light-theme .mega-dropdown {
  background: rgba(255, 255, 255, 0.98);
  border-color: #e5e7eb;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.04);
}
:root.light-theme .mega-dropdown-column h4 {
  color: #4f46e5;
  border-bottom-color: #e5e7eb;
}
:root.light-theme .mega-dropdown-column a {
  color: #475569;
}
:root.light-theme .mega-dropdown-column a:hover {
  background: rgba(99, 102, 241, 0.06);
  color: #0f172a;
}
:root.light-theme .mega-dropdown .badge {
  background: rgba(99, 102, 241, 0.12);
  color: #4f46e5;
}

/* --- Dynamic Scoping — Three-Tier title --- */
:root.light-theme .scoping-levels h4 {
  color: #0f172a;
}

/* --- Architecture highlight boxes --- */
:root.light-theme .arch-box.highlight {
  color: #4f46e5;
}

/* --- Theme toggle button --- */
:root.light-theme .theme-toggle-btn {
  color: #475569;
  border-color: #d1d5db;
}
:root.light-theme .theme-toggle-btn:hover {
  background: #f1f5f9;
  color: #0f172a;
}

/* --- DAT Agent section light mode --- */
:root.light-theme .agent-capability-card {
  background: #ffffff;
  border-color: #e2e8f0;
}
:root.light-theme .agent-capability-card:hover {
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.1);
}
:root.light-theme .agent-capability-icon {
  background: rgba(99, 102, 241, 0.08);
}
:root.light-theme .agent-trust-kernel {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.04), rgba(129, 140, 248, 0.06));
  border-color: #e2e8f0;
}
:root.light-theme .kernel-step {
  background: rgba(99, 102, 241, 0.1);
  color: #4f46e5;
}

/* --- Mobile menu --- */
:root.light-theme .mobile-menu-btn span {
  background: #334155;
}