/* ==========================================================================
   Charging Intelligence - Modern Design System
   Light / Dark Mode, Glassmorphism, Responsive Grid, Micro-animations
   ========================================================================== */

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

:root {
  /* Brand Accent Colors */
  --brand-primary: #e82520;
  --brand-primary-glow: rgba(232, 37, 32, 0.35);
  --brand-cyan: #00e5ff;
  --brand-cyan-glow: rgba(0, 229, 255, 0.3);
  --brand-emerald: #10b981;
  --brand-amber: #f59e0b;

  /* Font Families */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;
}

/* Light Theme Variables */
:root[data-theme="light"], :root {
  color-scheme: light;
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.78);
  --bg-subtle: #f1f5f9;
  --bg-muted: #e2e8f0;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
  --text-inverse: #ffffff;

  --border-light: rgba(15, 23, 42, 0.08);
  --border-medium: rgba(15, 23, 42, 0.14);
  --border-glow: rgba(232, 37, 32, 0.25);

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.12), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 15px 30px rgba(232, 37, 32, 0.12);

  --hero-mesh: radial-gradient(at 0% 0%, rgba(232, 37, 32, 0.08) 0px, transparent 50%),
                   radial-gradient(at 100% 0%, rgba(0, 229, 255, 0.08) 0px, transparent 50%),
                   radial-gradient(at 50% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
}

/* Dark Theme Variables */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg-main: #070b14;
  --bg-surface: #0f172a;
  --bg-surface-elevated: #162036;
  --bg-glass: rgba(15, 23, 42, 0.72);
  --bg-subtle: #1e293b;
  --bg-muted: #334155;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-inverse: #070b14;

  --border-light: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-glow: rgba(232, 37, 32, 0.4);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 15px 35px rgba(232, 37, 32, 0.25);

  --hero-mesh: radial-gradient(at 10% 10%, rgba(232, 37, 32, 0.18) 0px, transparent 50%),
                   radial-gradient(at 90% 15%, rgba(0, 229, 255, 0.15) 0px, transparent 50%),
                   radial-gradient(at 50% 90%, rgba(16, 185, 129, 0.08) 0px, transparent 50%);
}

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  background-image: var(--hero-mesh);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

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

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Navbar & Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-brand:hover .nav-logo {
  transform: scale(1.05);
  box-shadow: 0 6px 18px var(--brand-primary-glow);
}

.nav-brand-text {
  color: var(--brand-primary);
  transition: color var(--transition-fast), text-shadow var(--transition-fast), filter var(--transition-fast);
}

.nav-brand-text span {
  color: var(--brand-primary);
}

.nav-brand:hover .nav-brand-text {
  color: var(--brand-primary);
  text-shadow: 0 4px 14px rgba(232, 37, 32, 0.65), 0 8px 24px rgba(232, 37, 32, 0.4);
  filter: drop-shadow(0 4px 10px rgba(232, 37, 32, 0.45));
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--brand-primary);
  transition: width var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Control Pills (Theme & Lang Switchers) */
.ctrl-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
}

.ctrl-btn {
  background: none;
  border: none;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.ctrl-btn.active, .ctrl-btn:hover {
  background: var(--bg-surface);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  transform: rotate(15deg);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
  padding: 8px;
}

/* ==========================================================================
   Buttons & CTAs
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #e82520 0%, #b81b17 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px var(--brand-primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 37, 32, 0.45);
}

.btn-store {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-main);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-sm);
}

.btn-store svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.btn-store-text {
  text-align: left;
  line-height: 1.2;
}

.btn-store-text small {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  font-weight: 600;
}

.btn-store-text strong {
  display: block;
  font-size: 1rem;
  font-weight: 800;
}

.btn-store:hover {
  border-color: var(--brand-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
}

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(232, 37, 32, 0.1);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

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

.hero-badge-text {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--brand-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #e82520 0%, #ff524d 50%, #00e5ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-badges-row {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.hero-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-badge-item span {
  color: var(--brand-emerald);
}

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

.hero-image-wrap {
  position: relative;
  width: 100%;
  max-width: 350px;
  background: transparent;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* AI Neon Pulsing Ambient Glow Behind Device */
.hero-image-wrap::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 115%;
  height: 108%;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    circle at 50% 50%,
    rgba(0, 229, 255, 0.65) 0%,
    rgba(168, 85, 247, 0.55) 35%,
    rgba(232, 37, 32, 0.45) 65%,
    transparent 80%
  );
  filter: blur(48px);
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
  animation: ai-neon-pulse 4s ease-in-out infinite alternate;
}

/* ==========================================================================
   iPhone Mockup Frame (from Reference Photo)
   ========================================================================== */

.hero-phone-container {
  position: relative;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  z-index: 2;
  border-radius: 46px;
  padding: 8px;
  background: linear-gradient(145deg, #2b2e38 0%, #16181d 100%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 
    0 0 0 1px rgba(0, 0, 0, 0.8),
    0 25px 50px -12px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(232, 37, 32, 0.25);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  overflow: hidden;
}

.hero-phone-container:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 
    0 0 0 1px rgba(255, 255, 255, 0.28),
    0 30px 60px -12px rgba(0, 0, 0, 0.6),
    0 0 50px rgba(0, 229, 255, 0.35);
}

.hero-mockup-video {
  width: 100%;
  height: auto;
  aspect-ratio: 1206 / 2622;
  display: block;
  border-radius: 38px;
  object-fit: cover;
  background: #0d1117;
}

.hero-mockup-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 38px;
}

/* Floating telemetry badges */
.floating-card {
  position: absolute;
  padding: 14px 18px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
  animation: float 4s ease-in-out infinite alternate;
}

.floating-card-1 {
  top: 15%;
  left: -15%;
}

.floating-card-2 {
  bottom: 12%;
  right: -10%;
  animation-delay: -2s;
}

.card-icon-badge {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: rgba(232, 37, 32, 0.15);
  color: var(--brand-primary);
}

.card-icon-badge.cyan {
  background: rgba(0, 229, 255, 0.15);
  color: var(--brand-cyan);
}

.card-info {
  line-height: 1.2;
}

.card-info strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.card-info small {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Stats Bar Section
   ========================================================================== */

.stats-section {
  padding: 40px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-subtle);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

@media (max-width: 1100px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.stat-item {
  text-align: center;
  padding: 16px;
}

.stat-number {
  font-size: clamp(1.8rem, 3.2vw, 2.75rem);
  font-weight: 900;
  font-family: var(--font-display);
  color: var(--brand-primary);
  line-height: 1;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
  display: inline-block;
  min-width: 3ch;
}

.stat-number.cyan {
  color: var(--brand-cyan);
}

.stat-number.emerald {
  color: var(--brand-emerald);
}

.stat-number.amber {
  color: #f59e0b;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* ==========================================================================
   Features Section
   ========================================================================== */

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 36px 30px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

.feature-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(232, 37, 32, 0.1);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
  color: var(--brand-primary);
}

.feature-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Apple CarPlay Spotlight Section
   ========================================================================== */

.carplay-section {
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-subtle) 100%);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}

.carplay-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.carplay-badges {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-main);
  line-height: 1;
}

.pill-badge svg {
  display: inline-block;
  flex-shrink: 0;
  vertical-align: middle;
}

.pill-badge.highlight,
.pill-badge.highlight-apple {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.22);
}

[data-theme="light"] .pill-badge.highlight,
[data-theme="light"] .pill-badge.highlight-apple {
  background: rgba(0, 0, 0, 0.06);
  color: #1d1d1f;
  border-color: rgba(0, 0, 0, 0.16);
}

.pill-badge.highlight-green,
.pill-badge.highlight-android {
  background: rgba(3, 169, 244, 0.1);
  color: #0284c7;
  border-color: rgba(3, 169, 244, 0.3);
}

[data-theme="dark"] .pill-badge.highlight-green,
[data-theme="dark"] .pill-badge.highlight-android {
  background: rgba(3, 169, 244, 0.15);
  color: #38bdf8;
  border-color: rgba(3, 169, 244, 0.4);
}

.carplay-list {
  list-style: none;
  margin: 28px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.carplay-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 1rem;
  color: var(--text-muted);
}

.carplay-list li svg {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  color: var(--brand-emerald);
  margin-top: 2px;
}

.carplay-visual-box {
  background: #000;
  border-radius: var(--radius-xl);
  padding: 16px;
  border: 3px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
  position: relative;
}

.carplay-visual-box img {
  border-radius: calc(var(--radius-xl) - 8px);
  width: 100%;
}

/* ==========================================================================
   Operators Grid Section
   ========================================================================== */

.operators-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin-top: 40px;
}

.operator-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px 8px 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  cursor: default;
  user-select: none;
}

.operator-badge:hover {
  border-color: var(--brand-primary);
  background: var(--bg-surface-elevated);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.operator-badge .cpo-logo-img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: contain;
  background: #ffffff;
  padding: 2.5px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
  flex-shrink: 0;
}

.operator-badge.more-badge {
  padding: 10px 22px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.1), rgba(16, 185, 129, 0.1));
  border-color: rgba(0, 229, 255, 0.35);
  color: var(--text-main);
  font-size: 0.95rem;
}

.operator-badge.more-badge:hover {
  border-color: var(--brand-primary);
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.18), rgba(16, 185, 129, 0.18));
}

/* ==========================================================================
   Screenshots Carousel Section
   ========================================================================== */

.screenshots-slider-wrap {
  position: relative;
  overflow: hidden;
  padding: 20px 0;
}

.screenshots-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 20px 10px 40px;
  scrollbar-width: thin;
}

.screenshot-slide {
  flex: 0 0 280px;
  scroll-snap-align: center;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  background: transparent;
  cursor: pointer;
  position: relative;
}

.screenshot-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(0, 229, 255, 0.15), rgba(0, 0, 0, 0.45));
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.screenshot-slide .zoom-hint {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(10, 15, 29, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.85);
  transition: all 0.25s ease;
  pointer-events: none;
  z-index: 2;
}

.screenshot-slide:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(0, 229, 255, 0.2);
  border-color: var(--brand-cyan);
}

.screenshot-slide:hover::after {
  opacity: 1;
}

/* ==========================================================================
   Screenshot Gallery Lightbox Dialog
   ========================================================================== */

dialog.gallery-dialog {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  color: #ffffff;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

dialog.gallery-dialog:not([open]) {
  display: none;
}

dialog.gallery-dialog::backdrop {
  background: rgba(10, 15, 29, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.gallery-dialog-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 80px;
  box-sizing: border-box;
}

.gallery-main-view {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.gallery-active-img {
  max-width: 82vw;
  max-height: calc(82vh - 60px);
  object-fit: contain;
  border-radius: 24px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.15);
  transition: opacity 0.2s ease, transform 0.2s ease;
  user-select: none;
}

.gallery-caption-bar {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  max-width: 480px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 30px;
  padding: 10px 20px;
  font-size: 0.92rem;
  font-weight: 600;
  color: #f8fafc;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.gallery-counter {
  font-size: 0.82rem;
  opacity: 0.8;
  font-family: var(--font-mono, monospace);
  color: var(--brand-cyan);
  font-weight: 700;
}

.gallery-close-btn {
  position: absolute;
  top: 24px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 1001;
}

.gallery-close-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.08);
  border-color: #ffffff;
}

.gallery-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 1000;
}

.gallery-nav-btn.prev {
  left: 24px;
}

.gallery-nav-btn.next {
  right: 24px;
}

.gallery-nav-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: var(--brand-cyan);
  color: var(--brand-cyan);
  transform: translateY(-50%) scale(1.1);
}

@media (max-width: 768px) {
  .gallery-dialog-wrapper {
    padding: 70px 16px 80px;
  }
  .gallery-active-img {
    max-width: 92vw;
    max-height: 68vh;
  }
  .gallery-caption-bar {
    max-width: 90vw;
    font-size: 0.85rem;
    padding: 8px 16px;
  }
  .gallery-nav-btn {
    width: 46px;
    height: 46px;
    top: auto;
    bottom: 20px;
    transform: none;
  }
  .gallery-nav-btn.prev {
    left: 24px;
  }
  .gallery-nav-btn.next {
    right: 24px;
  }
  .gallery-nav-btn:hover {
    transform: scale(1.1);
  }
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 22px 28px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-chevron {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
  padding: 0 28px;
  color: var(--text-muted);
  line-height: 1.65;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 22px;
}

/* ==========================================================================
   CTA Banner Section
   ========================================================================== */

.cta-banner {
  background: linear-gradient(135deg, rgba(232, 37, 32, 0.15) 0%, rgba(0, 229, 255, 0.15) 100%), var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  text-align: center;
  margin: 60px 0 100px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-banner h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.cta-banner p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 36px;
}

.cta-store-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  padding: 70px 0 30px;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 14px;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

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

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer-legal-links {
  display: flex;
  gap: 20px;
}

/* ==========================================================================
   Policy & Legal Pages (Terms of Use / Privacy / Support)
   ========================================================================== */

.legal-page-header {
  padding: 60px 0 40px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

.legal-badge {
  display: inline-block;
  background: rgba(232, 37, 32, 0.15);
  color: var(--brand-primary);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.legal-container {
  max-width: 880px;
  margin: 50px auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 50px;
  box-shadow: var(--shadow-md);
}

.legal-content h2 {
  font-size: 1.5rem;
  margin: 36px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--brand-primary);
  color: var(--text-main);
}

.legal-content h3 {
  font-size: 1.2rem;
  margin: 24px 0 12px;
  color: var(--text-main);
}

.legal-content p, .legal-content li {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.legal-content ul {
  padding-left: 24px;
  margin-bottom: 20px;
}

.legal-content strong {
  color: var(--text-main);
}

.legal-card-info {
  background: var(--bg-subtle);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 24px 0;
}

/* ==========================================================================
   Animations & Keyframes
   ========================================================================== */

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(232, 37, 32, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(232, 37, 32, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(232, 37, 32, 0); }
}

@keyframes float {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-12px); }
}

@keyframes ai-neon-pulse {
  0% {
    opacity: 0.5;
    transform: translate(-50%, -50%) scale(0.92);
    filter: blur(42px) hue-rotate(0deg);
  }
  50% {
    opacity: 0.9;
    transform: translate(-50%, -50%) scale(1.08);
    filter: blur(58px) hue-rotate(40deg);
  }
  100% {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(0.96);
    filter: blur(46px) hue-rotate(-25deg);
  }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-description {
    margin: 0 auto 36px;
  }
  .hero-cta-group, .hero-badges-row {
    justify-content: center;
  }
  .floating-card-1 { left: 0; }
  .floating-card-2 { right: 0; }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .carplay-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .carplay-badges, .carplay-list li {
    justify-content: center;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 78px;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-light);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
  }
  .nav-menu.open {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .floating-card {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .legal-container {
    padding: 24px;
  }
}