/* ==========================================================================
   Touchless Control - Modern Design System & Stylesheet
   Theme: Cyberpunk Glassmorphism / Sleek Futuristic Dark Mode
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Color Palette */
  --bg-primary: #060911;
  --bg-secondary: #0B111E;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(26, 38, 66, 0.85);
  --bg-glass: rgba(18, 26, 44, 0.65);
  --bg-input: rgba(10, 16, 30, 0.8);

  /* Accents & Neon Gradients */
  --teal-primary: #00f2fe;
  --teal-glow: rgba(0, 242, 254, 0.35);
  --teal-dark: #00adb5;
  --blue-accent: #4facfe;
  --purple-accent: #7928ca;
  --pink-accent: #ff0080;
  --success: #10b981;
  --warning: #f59e0b;

  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-highlight: #38bdf8;

  /* Borders & Shadows */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.3);
  --border-active: rgba(0, 242, 254, 0.7);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.7);
  --shadow-neon: 0 0 25px rgba(0, 242, 254, 0.25);
  --shadow-neon-lg: 0 0 50px rgba(0, 242, 254, 0.35);

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 242, 254, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 85% 30%, rgba(121, 40, 202, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(79, 172, 254, 0.06) 0%, transparent 40%);
  background-attachment: fixed;
}

/* Ambient glow orb behind background */
.ambient-glow {
  position: fixed;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.12) 0%, rgba(79, 172, 254, 0.04) 40%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.gradient-text {
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 50%, #ffffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-purple {
  background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Badge Styles */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--teal-primary);
}

.badge-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--teal-primary);
  box-shadow: 0 0 10px var(--teal-primary);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 15px var(--teal-primary); }
  100% { transform: scale(0.9); opacity: 0.7; }
}

/* Header & Navigation */
.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(6, 9, 17, 0.75);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.brand-logo img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border-glow);
  box-shadow: var(--shadow-neon);
}

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

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Modern Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal-primary) 0%, var(--blue-accent) 100%);
  color: #040914;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 242, 254, 0.6);
  color: #000;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-glow);
  transform: translateY(-2px);
  color: var(--teal-primary);
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
}

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

/* Mobile Drawer */
.mobile-drawer {
  display: none;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 0.5rem;
}

.hero-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.spec-item h4 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--teal-primary);
}

.spec-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Hero Visual / Device Mockup Showcase */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.mockup-wrapper {
  position: relative;
  width: 100%;
  max-width: 540px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-neon);
  border: 1px solid var(--border-glow);
  background: var(--bg-card);
  transition: transform var(--transition-slow);
}

.mockup-wrapper:hover {
  transform: translateY(-6px) rotate(-0.5deg);
}

.mockup-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.hero-floating-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  padding: 1rem 1.25rem;
  background: rgba(11, 17, 30, 0.88);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-md);
}

.badge-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.badge-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(0, 242, 254, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-primary);
  font-size: 1.2rem;
}

.badge-text h5 {
  font-size: 0.95rem;
  font-weight: 700;
}

.badge-text span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.badge-metric {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--success);
}

/* ==========================================================================
   Interactive Gesture Playground / Simulator
   ========================================================================== */
.playground-section {
  padding: 6rem 0;
  background: linear-gradient(180deg, transparent 0%, rgba(11, 17, 30, 0.6) 50%, transparent 100%);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 0.8rem 0;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.playground-container {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
}

/* Interactive Phone Simulator */
.phone-simulator {
  position: relative;
  width: 100%;
  max-width: 320px;
  height: 560px;
  margin: 0 auto;
  border-radius: 40px;
  background: #020408;
  border: 8px solid #1e293b;
  box-shadow: 0 0 0 2px rgba(0, 242, 254, 0.4), var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.phone-notch {
  width: 110px;
  height: 22px;
  background: #1e293b;
  margin: 0 auto;
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  z-index: 10;
}

.notch-camera {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00f2fe;
  box-shadow: 0 0 8px #00f2fe;
}

.phone-screen {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #0f172a;
}

/* Floating Overlay Indicator */
.touchless-hud-overlay {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.85);
  border: 2px solid var(--teal-primary);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.5);
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.touchless-hud-overlay.active {
  transform: scale(1.15);
  border-color: #10b981;
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.8);
}

.hud-camera-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-primary);
  animation: pulseDot 1.5s infinite;
}

.hud-label {
  font-size: 8px;
  font-weight: 700;
  color: var(--teal-primary);
  margin-top: 2px;
}

/* Reel / Shorts Cards inside Simulator */
.reels-feed {
  flex: 1;
  position: relative;
  height: 100%;
}

.reel-card {
  position: absolute;
  width: 100%;
  height: 100%;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
  opacity: 0;
  pointer-events: none;
  transform: translateY(40px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.reel-card.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.reel-card:nth-child(1) {
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(13, 17, 23, 0.95) 100%),
              radial-gradient(circle at 50% 30%, #1e1b4b 0%, #030712 100%);
}

.reel-card:nth-child(2) {
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(13, 17, 23, 0.95) 100%),
              radial-gradient(circle at 50% 30%, #064e3b 0%, #022c22 100%);
}

.reel-card:nth-child(3) {
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(13, 17, 23, 0.95) 100%),
              radial-gradient(circle at 50% 30%, #831843 0%, #500724 100%);
}

.reel-card:nth-child(4) {
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(13, 17, 23, 0.95) 100%),
              radial-gradient(circle at 50% 30%, #1e3a8a 0%, #0f172a 100%);
}

.reel-tag {
  display: inline-block;
  background: rgba(0, 242, 254, 0.2);
  color: var(--teal-primary);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.5rem;
  width: fit-content;
}

.reel-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.reel-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.reel-actions {
  display: flex;
  gap: 0.8rem;
  font-size: 0.8rem;
}

.reel-action-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(255,255,255,0.1);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-full);
}

/* Gesture Visual Indicator Ripple inside phone */
.gesture-ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--teal-primary);
  pointer-events: none;
  opacity: 0;
  z-index: 30;
}

.gesture-ripple.animate-swipe-up {
  animation: rippleUp 0.6s ease-out forwards;
}

.gesture-ripple.animate-tap {
  animation: rippleTap 0.5s ease-out forwards;
}

@keyframes rippleUp {
  0% { transform: translate(-50%, 40px) scale(0.4); opacity: 1; }
  100% { transform: translate(-50%, -80px) scale(1.6); opacity: 0; }
}

@keyframes rippleTap {
  0% { transform: translate(-50%, -50%) scale(0.3); opacity: 1; border-color: #10b981; }
  100% { transform: translate(-50%, -50%) scale(1.8); opacity: 0; border-color: #10b981; }
}

/* Playground Controls */
.playground-controls {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.controls-intro h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.controls-intro p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* Gesture Buttons Grid */
.gesture-buttons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.gesture-trigger-btn {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.gesture-trigger-btn:hover {
  background: rgba(0, 242, 254, 0.08);
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.gesture-trigger-btn.active {
  background: rgba(0, 242, 254, 0.15);
  border-color: var(--teal-primary);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.25);
}

.btn-icon-box {
  font-size: 1.4rem;
  line-height: 1;
}

.btn-text-box strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
}

.btn-text-box small {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Engine Status Terminal Box */
.engine-status-box {
  background: #030712;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  font-family: monospace;
  font-size: 0.85rem;
}

.status-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}

.status-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.status-label {
  color: var(--text-secondary);
}

.status-value {
  font-weight: 700;
  color: var(--teal-primary);
}

.status-value.success {
  color: var(--success);
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.features-section {
  padding: 6rem 0;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.85rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--teal-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-neon);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: rgba(0, 242, 254, 0.12);
  border: 1px solid rgba(0, 242, 254, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  color: var(--teal-primary);
}

.feature-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ==========================================================================
   Use Cases Section
   ========================================================================== */
.usecases-section {
  padding: 6rem 0;
  background: rgba(11, 17, 30, 0.5);
  position: relative;
}

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.usecase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

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

.usecase-badge {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.usecase-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.usecase-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Privacy & Permissions Transparency Matrix
   ========================================================================== */
.transparency-section {
  padding: 6rem 0;
}

.transparency-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.transparency-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2.5rem;
}

.transparency-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  border-left: 4px solid var(--teal-primary);
}

.transparency-card.accessibility {
  border-left-color: #a855f7;
}

.transparency-card h4 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.transparency-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.transparency-card .highlight-tag {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--success);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  padding: 6rem 0;
  background: rgba(11, 17, 30, 0.4);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item.active {
  border-color: var(--border-glow);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.faq-question {
  width: 100%;
  padding: 1.35rem 1.75rem;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: left;
}

.faq-icon {
  font-size: 1.4rem;
  color: var(--teal-primary);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
  padding: 0 1.75rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.75rem 1.5rem;
}

/* ==========================================================================
   CTA / Download Section
   ========================================================================== */
.download-section {
  padding: 6rem 0;
  text-align: center;
  position: relative;
}

.download-card {
  background: radial-gradient(circle at 50% 50%, rgba(0, 242, 254, 0.12) 0%, rgba(15, 23, 42, 0.8) 100%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 4.5rem 2rem;
  max-width: 900px;
  margin: 0 auto;
  box-shadow: var(--shadow-neon-lg);
}

.download-card h2 {
  font-size: 2.8rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.download-card p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.download-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.playstore-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-md);
  color: #fff;
  transition: all var(--transition-fast);
}

.playstore-badge:hover {
  border-color: var(--teal-primary);
  transform: translateY(-2px);
  box-shadow: 0 5px 25px rgba(0, 242, 254, 0.3);
}

.playstore-icon {
  width: 28px;
  height: 28px;
}

.playstore-text small {
  display: block;
  font-size: 0.68rem;
  text-transform: uppercase;
  color: #9ca3af;
  letter-spacing: 0.05em;
}

.playstore-text strong {
  display: block;
  font-size: 1.15rem;
  font-family: var(--font-heading);
  font-weight: 700;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: #03050a;
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-col h5 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col ul a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-col ul a:hover {
  color: var(--teal-primary);
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 300px;
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ==========================================================================
   Privacy Policy Specific Styling
   ========================================================================== */
.policy-page {
  padding: 4rem 0 6rem;
}

.policy-header {
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 2rem;
}

.policy-header h1 {
  font-size: 2.8rem;
  font-weight: 900;
  margin-bottom: 0.8rem;
}

.policy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.policy-meta span strong {
  color: var(--teal-primary);
}

.policy-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3.5rem;
  align-items: start;
}

.policy-sidebar {
  position: sticky;
  top: 6rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.policy-sidebar h4 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.policy-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.policy-nav a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: block;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.policy-nav a:hover,
.policy-nav a.active {
  background: rgba(0, 242, 254, 0.1);
  color: var(--teal-primary);
}

.policy-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem;
  line-height: 1.8;
  color: #cbd5e1;
}

.policy-content section {
  margin-bottom: 3rem;
}

.policy-content h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text-primary);
  scroll-margin-top: 6rem;
}

.policy-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 1.5rem 0 0.75rem;
  color: var(--text-primary);
}

.policy-content p {
  margin-bottom: 1.2rem;
  font-size: 0.98rem;
}

.policy-content ul,
.policy-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.policy-content li {
  margin-bottom: 0.5rem;
}

/* Legal Callout Boxes for Sensitive Permissions */
.legal-box {
  background: rgba(11, 17, 30, 0.9);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-left: 4px solid var(--teal-primary);
}

.legal-box.alert-accessibility {
  border-left-color: #a855f7;
  background: rgba(46, 16, 101, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-left-width: 4px;
}

.legal-box.alert-camera {
  border-left-color: #00f2fe;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-left-width: 4px;
}

.legal-box-title {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
}

/* Data Safety Summary Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  padding: 1rem 1.2rem;
  text-align: left;
  border: 1px solid var(--border-subtle);
}

.data-table th {
  background: rgba(255, 255, 255, 0.05);
  color: var(--teal-primary);
  font-family: var(--font-heading);
  font-weight: 700;
}

.data-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .hero-content {
    align-items: center;
  }
  .hero-description {
    margin: 0 auto;
  }
  .hero-cta {
    justify-content: center;
  }
  .hero-specs {
    max-width: 500px;
    width: 100%;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .usecases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .playground-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .policy-layout {
    grid-template-columns: 1fr;
  }
  .policy-sidebar {
    display: none;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .nav-links, .nav-actions .btn-primary {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .mobile-drawer {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: fixed;
    top: 4.5rem;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-subtle);
    padding: 2rem;
    z-index: 99;
    transform: translateY(-150%);
    transition: transform 0.3s ease;
  }
  .mobile-drawer.open {
    transform: translateY(0);
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .usecases-grid {
    grid-template-columns: 1fr;
  }
  .transparency-grid {
    grid-template-columns: 1fr;
  }
  .gesture-buttons-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .policy-content {
    padding: 1.75rem;
  }
}
