/* ==========================================================================
   YBM INNOVATIVE TECHNOLOGIES — GROOVE TOOTHBRUSH
   Apple-Inspired Ultra-Lightweight Modern Stylesheet
   LIGHT MODE (DEFAULT) with Dark Mode Support
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Variables & Design Tokens (Light Mode Default)
   -------------------------------------------------------------------------- */
:root {
  /* Surface & Background Colors (Apple Light Theme) */
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-tertiary: #e8e8ed;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-card-elevated: #f5f5f7;
  --bg-glass: rgba(255, 255, 255, 0.82);
  --bg-announcement: #1d1d1f;
  
  /* Borders */
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.16);
  --border-focus: #0071e3;
  --border-glow: rgba(0, 113, 227, 0.25);

  /* Typography Colors (Apple Human Interface) */
  --text-primary: #1d1d1f;
  --text-secondary: #515154;
  --text-tertiary: #86868b;
  --text-muted: #a1a1a6;
  
  /* Brand Accents */
  --accent-blue: #0071e3;
  --accent-blue-hover: #0077ed;
  --accent-cyan: #0284c7;
  --accent-cyan-glow: rgba(2, 132, 199, 0.2);
  --accent-coral: #e11d48;
  --accent-success: #15803d;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.08);

  /* Typography Stacks */
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Layout & Transitions */
  --max-width: 1180px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 980px;
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Mode Overrides (Optional Toggle) */
body.theme-dark {
  --bg-primary: #000000;
  --bg-secondary: #0a0e17;
  --bg-tertiary: #161c2a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --bg-card-elevated: rgba(30, 41, 59, 0.5);
  --bg-glass: rgba(15, 23, 42, 0.78);
  --bg-announcement: #111827;
  
  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(255, 255, 255, 0.2);
  --border-focus: #0071e3;
  --border-glow: rgba(56, 189, 248, 0.35);

  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-tertiary: #6e6e73;
  --text-muted: #475569;
  
  --accent-cyan: #38bdf8;
  --accent-success: #34c759;
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 12px 36px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.8);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* --------------------------------------------------------------------------
   3. Utility Typography & Badges
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-accent { color: var(--accent-cyan); }
.text-success { color: var(--accent-success); }

.section {
  padding-top: 100px;
  padding-bottom: 100px;
  position: relative;
}

.section-header {
  max-width: 760px;
  margin: 0 auto 52px auto;
}

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(34px, 5vw, 46px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-lead {
  font-size: clamp(17px, 2.2vw, 19px);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   4. Buttons (Apple Style)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 500;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  transition: all var(--transition-smooth);
  white-space: nowrap;
}

.btn-pill {
  border-radius: var(--radius-pill);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 17px;
  font-weight: 600;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 113, 227, 0.3);
}

.btn-primary:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 113, 227, 0.45);
}

.btn-primary:active {
  transform: scale(0.98);
}

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

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   5. Announcement Bar & Global Header (Apple Light Style)
   -------------------------------------------------------------------------- */
.announcement-bar {
  background: var(--bg-announcement);
  color: #ffffff;
  padding: 8px 16px;
  font-size: 12px;
  text-align: center;
}

.announcement-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.announcement-pill {
  background: rgba(56, 189, 248, 0.2);
  color: #38bdf8;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 11px;
}

.announcement-text {
  color: #d1d5db;
}

.announcement-link {
  color: #38bdf8;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.announcement-link:hover {
  text-decoration: underline;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-smooth);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.brand-logo {
  border-radius: 6px;
  background: #ffffff;
  padding: 2px;
  border: 1px solid var(--border-subtle);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

.brand-sub {
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 24px;
}

.nav-link {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 400;
}

.nav-link:hover {
  color: var(--accent-blue);
}

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

.theme-toggle-btn {
  padding: 6px;
  color: var(--text-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: all var(--transition-fast);
}

.menu-toggle:hover {
  background: var(--bg-secondary);
}

.menu-toggle .bar {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  transform-origin: center;
}

/* Morph to an X when menu is active/open */
.menu-toggle.active .bar:first-child,
.menu-toggle[aria-expanded="true"] .bar:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-toggle.active .bar:last-child,
.menu-toggle[aria-expanded="true"] .bar:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Mobile Drawer (Native App Experience) */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: calc(100vh - 56px);
  height: calc(100dvh - 56px);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 16px 22px 40px 22px;
  flex-direction: column;
  justify-content: flex-start;
  gap: 16px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  z-index: 999;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

body.theme-dark .mobile-drawer {
  background: rgba(11, 15, 23, 0.98);
}

.mobile-drawer.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
}

.mobile-nav-list li {
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-link {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 4px;
  text-decoration: none;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-link:hover,
.mobile-link:active {
  color: var(--accent-blue);
  padding-left: 6px;
}

.mobile-link .mobile-chevron {
  font-size: 18px;
  color: var(--text-tertiary);
  line-height: 1;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.mobile-link:hover .mobile-chevron,
.mobile-link:active .mobile-chevron {
  color: var(--accent-blue);
  transform: translateX(3px);
}

.mobile-drawer-footer {
  margin-top: 10px;
  padding-top: 10px;
}

/* --------------------------------------------------------------------------
   6. Hero Section (Apple Light Studio Style)
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding-top: 50px;
  padding-bottom: 70px;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.hero-bg-glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 450px;
  background: radial-gradient(circle, rgba(0, 113, 227, 0.08) 0%, rgba(2, 132, 199, 0.04) 50%, transparent 80%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.hero-container {
  position: relative;
  z-index: 1;
}

.hero-badge-wrap {
  margin-bottom: 20px;
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(2, 132, 199, 0.6); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 6px rgba(2, 132, 199, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(2, 132, 199, 0); }
}

.hero-headline {
  font-size: clamp(38px, 6.5vw, 68px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.headline-gradient {
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto 36px auto;
  line-height: 1.5;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.hero-cta-btn {
  position: relative;
  overflow: hidden;
}

.badge-free-ship {
  background: rgba(255, 255, 255, 0.25);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  margin-left: 6px;
}

.hero-visual-card {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-lg);
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #f8fafc;
}

.hero-product-img {
  width: 100%;
  height: auto;
  transform: scale(1);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
}

.hero-visual-card:hover .hero-product-img {
  transform: scale(1.02);
}

.hero-floating-tag {
  position: absolute;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  text-align: left;
  box-shadow: var(--shadow-md);
}

body.theme-dark .hero-floating-tag {
  background: rgba(15, 23, 42, 0.88);
}

.tag-top-right {
  top: 20px;
  right: 20px;
}

.tag-bottom-left {
  bottom: 20px;
  left: 20px;
}

.tag-title {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-cyan);
}

.tag-desc {
  font-size: 11px;
  color: var(--text-secondary);
}

/* Stats Ribbon */
.hero-stats-ribbon {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  max-width: 960px;
  margin: 40px auto 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  box-shadow: var(--shadow-sm);
}

.stat-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.3;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border-subtle);
}

/* --------------------------------------------------------------------------
   6B. Patented 3D Cleaning Motion Visual & Angles Showcase
   -------------------------------------------------------------------------- */
.motion-showcase-wrapper {
  margin-bottom: 50px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.motion-player-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.hero-motion-card {
  max-width: 960px;
  margin: 0 auto;
}

.motion-card-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.motion-tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(2, 132, 199, 0.08);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.motion-switch-tabs {
  display: flex;
  gap: 10px;
}

.motion-tab-btn {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.motion-tab-btn.active {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
  box-shadow: 0 2px 8px rgba(0, 113, 227, 0.3);
}

.motion-screen-container {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #0951a6;
  aspect-ratio: 16 / 9;
  max-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
}

.motion-active-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.motion-gif-fallback {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: none;
}

.motion-badge-floating {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  text-align: left;
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.badge-title {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: #38bdf8;
}

.badge-subtitle {
  font-size: 11px;
  color: #cbd5e1;
}

.motion-meta-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.motion-meta-text {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-secondary);
  max-width: 760px;
}

.motion-meta-text strong {
  color: var(--text-primary);
}

.motion-meta-links {
  display: flex;
  gap: 10px;
}

.motion-dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.motion-dl-btn:hover {
  color: var(--accent-blue);
  border-color: var(--accent-blue);
  background: var(--bg-card);
}

/* Angles Gallery Block */
.angles-gallery-block {
  margin-top: 10px;
}

.angles-gallery-header {
  margin-bottom: 28px;
}

.angles-gallery-heading {
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.angles-gallery-sub {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
}

.angles-grid-layout {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .angles-grid-layout {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .angles-grid-layout {
    grid-template-columns: 1fr;
  }
}

.angle-tile {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

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

.angle-tile-media {
  position: relative;
  background: #0951a6;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.angle-tile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.angle-tile:hover .angle-tile-img {
  transform: scale(1.05);
}

.angle-tile-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.angle-tile-info {
  padding: 18px 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.angle-tile-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.angle-tile-text {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   7. Interactive Simulator: Sulcus Anatomy (Light Mode)
   -------------------------------------------------------------------------- */
.simulator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.sim-pill-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-blue);
  background: rgba(0, 113, 227, 0.08);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.sim-card-title {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.sim-card-lead {
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 28px auto;
}

.sim-callout-group {
  transition: opacity 0.35s ease;
}

.simulator-controls {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.sim-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition-smooth);
}

.sim-toggle-btn .sim-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background var(--transition-fast);
}

.sim-toggle-btn.active {
  background: rgba(0, 113, 227, 0.08);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.sim-toggle-btn.active .sim-indicator {
  background: var(--accent-blue);
  box-shadow: 0 0 6px var(--accent-blue);
}

.simulator-viewport {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  align-items: center;
}

.sim-canvas-wrap {
  background: #f8fafc;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  position: relative;
  overflow: hidden;
}

body.theme-dark .sim-canvas-wrap {
  background: #020408;
}

.sim-svg {
  width: 100%;
  height: auto;
  display: block;
}

.bristle-filament {
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.pulse-target {
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { r: 6px; opacity: 1; }
  50% { r: 9px; opacity: 0.6; }
  100% { r: 6px; opacity: 1; }
}

/* Telemetry Column */
.sim-telemetry {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.telemetry-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.telemetry-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}

.telemetry-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.telemetry-status {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
}

.status-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 8px;
}

.badge-active {
  background: rgba(0, 113, 227, 0.12);
  color: var(--accent-blue);
}

.badge-warning {
  background: rgba(225, 29, 72, 0.12);
  color: var(--accent-coral);
}

.telemetry-status p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Side-by-Side Dental Comparison Matrix */
.comparison-matrix-wrap {
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--border-subtle);
}

.comparison-matrix-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
  text-align: center;
}

.comparison-table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table th {
  background: var(--bg-secondary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.comparison-table th.col-groove {
  color: var(--accent-blue);
  background: rgba(0, 113, 227, 0.06);
}

.comparison-table th.col-standard {
  color: var(--text-secondary);
}

.comparison-table td.col-groove {
  background: rgba(0, 113, 227, 0.02);
  font-weight: 500;
  color: var(--text-primary);
}

.comparison-table td.col-standard {
  color: var(--text-secondary);
}

body.theme-dark .comparison-table th {
  background: var(--bg-tertiary);
}

body.theme-dark .comparison-table th.col-groove {
  background: rgba(0, 113, 227, 0.15);
}

body.theme-dark .comparison-table td.col-groove {
  background: rgba(0, 113, 227, 0.06);
}

.table-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #10B981;
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  margin-right: 8px;
  flex-shrink: 0;
  vertical-align: middle;
}

.table-cross {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #E11D48;
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  margin-right: 8px;
  flex-shrink: 0;
  vertical-align: middle;
}

/* --------------------------------------------------------------------------
   8. Bento Grid (Cards)
   -------------------------------------------------------------------------- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

.bento-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.bento-tag {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  display: inline-block;
}

.bento-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 12px;
}

.bento-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   9. Video Theater (Vimeo)
   -------------------------------------------------------------------------- */
.video-theater-wrapper {
  max-width: 960px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: #000000;
  box-shadow: var(--shadow-lg);
}

.video-player-container {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
}

.vimeo-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-caption-bar {
  background: var(--bg-card);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  font-size: 13px;
}

.video-indicator {
  color: var(--accent-cyan);
  font-weight: 600;
}

.video-caption-text {
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   10. Our Story (Beaumont, TX)
   -------------------------------------------------------------------------- */
.story-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 52px;
  align-items: center;
}

.story-slogan-card {
  background: var(--bg-secondary);
  border-left: 3px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 22px 0 24px 0;
}

.slogan-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  font-weight: 700;
}

.slogan-quote {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 6px 0;
}

.slogan-sub {
  font-size: 14px;
  color: var(--text-secondary);
  font-style: italic;
}

.story-paragraph {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.story-blessing {
  margin-top: 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  font-style: italic;
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
}

.story-card-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  box-shadow: var(--shadow-md);
}

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

.story-card-tag {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

body.theme-dark .story-card-tag {
  background: rgba(0, 0, 0, 0.8);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-success);
}

/* --------------------------------------------------------------------------
   11. Testimonials Section
   -------------------------------------------------------------------------- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

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

.review-card.highlight-clinical {
  border-color: rgba(2, 132, 199, 0.35);
  background: rgba(2, 132, 199, 0.03);
}

.review-stars {
  color: #f59e0b;
  font-size: 17px;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 18px;
  font-style: italic;
}

.review-author {
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.author-tag {
  font-size: 12px;
  color: var(--text-tertiary);
}

/* --------------------------------------------------------------------------
   12. Order / Shop Section
   -------------------------------------------------------------------------- */
.order-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.configurator-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  max-width: 1040px;
  margin: 0 auto;
}

.config-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.config-heading {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.bristle-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.option-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-smooth);
  text-align: center;
}

.option-card:hover {
  border-color: var(--border-hover);
}

.option-card.active {
  background: rgba(0, 113, 227, 0.06);
  border-color: var(--accent-blue);
  box-shadow: 0 0 16px rgba(0, 113, 227, 0.15);
}

.bristle-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.bristle-note {
  font-size: 11px;
  color: var(--accent-cyan);
  margin: 4px 0 6px 0;
  font-weight: 600;
}

.bristle-spec {
  font-size: 11px;
  color: var(--text-secondary);
}

.shipping-guarantee-box {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(21, 128, 61, 0.08);
  border: 1px solid rgba(21, 128, 61, 0.2);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  color: var(--text-primary);
  font-size: 13px;
}

.shipping-guarantee-box svg {
  color: var(--accent-success);
  flex-shrink: 0;
}

/* Summary Card */
.summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.summary-preview-img {
  background: #f8fafc;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 18px;
  border: 1px solid var(--border-subtle);
}

.summary-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.summary-item-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.summary-spec-line {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  margin-bottom: 10px;
}

.spec-label {
  color: var(--text-tertiary);
}

.spec-val {
  color: var(--text-primary);
  font-weight: 500;
}

.summary-note {
  font-size: 12px;
  color: var(--text-tertiary);
  text-align: center;
  margin-top: 14px;
}

.summary-note a {
  color: var(--accent-blue);
}

/* --------------------------------------------------------------------------
   13. FAQ Accordion
   -------------------------------------------------------------------------- */
.faq-accordion {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.faq-item.active {
  border-color: var(--border-hover);
}

.faq-trigger {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-icon {
  font-size: 20px;
  color: var(--accent-cyan);
  transition: transform var(--transition-fast);
}

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

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth);
}

.faq-inner {
  padding: 0 24px 20px 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   14. Contact Section & Forms
   -------------------------------------------------------------------------- */
.contact-card-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}

.contact-heading {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.contact-lead {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 32px;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-detail-item {
  display: flex;
  gap: 14px;
  align-items: center;
}

.contact-detail-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.contact-label {
  display: block;
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

/* Forms */
.clean-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.15);
  background: #ffffff;
}

body.theme-dark .form-input:focus {
  background: #000000;
}

.form-feedback {
  font-size: 14px;
  text-align: center;
  display: none;
}

.form-feedback.success {
  display: block;
  color: var(--accent-success);
}

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding-top: 50px;
  padding-bottom: 40px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-company-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.footer-mission-sub {
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 480px;
}

.footer-links-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.footer-col-title {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: var(--text-tertiary);
}

.footer-col a:hover {
  color: var(--accent-blue);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.copyright-text {
  font-size: 12px;
}

.footer-badge-pill {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 11px;
}

/* --------------------------------------------------------------------------
   16. Modals
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(16px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  max-width: 540px;
  width: 100%;
  padding: 32px;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform var(--transition-smooth);
}

.modal-backdrop.open .modal-box {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  font-size: 26px;
  color: var(--text-secondary);
  line-height: 1;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-pill-tag {
  display: inline-block;
  background: rgba(0, 113, 227, 0.1);
  color: var(--accent-blue);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 8px;
}

.modal-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.modal-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 22px;
}

.order-summary-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 20px;
}

.summary-line {
  display: flex;
  justify-content: space-between;
  font-size: 15px;
  color: var(--text-primary);
}

.summary-subline {
  font-size: 12px;
  margin-top: 4px;
}

.order-success-screen {
  display: none;
  text-align: center;
  padding: 20px 0;
}

.order-success-screen.show {
  display: block;
}

.success-icon {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: rgba(21, 128, 61, 0.12);
  color: var(--accent-success);
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px auto;
}

.order-success-screen h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.order-success-screen p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 20px;
}

.modal-text-content {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

/* --------------------------------------------------------------------------
   17. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .simulator-viewport {
    grid-template-columns: 1fr;
  }
  .bento-grid {
    grid-template-columns: 1fr 1fr;
  }
  .story-grid {
    grid-template-columns: 1fr;
  }
  .configurator-wrapper {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr 1fr;
  }
  .contact-card-wrap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* Hide top announcement banner on mobile to prevent layout breaking & scroll jumps */
  .announcement-bar { display: none !important; }

  .nav-menu { display: none; }
  .nav-desktop-cta { display: none !important; }
  .menu-toggle { display: flex; }
  .mobile-drawer { display: flex; }
  
  /* 3D Motion Models: Hide text overlay so the 3D model is completely unobstructed */
  .motion-badge-floating {
    display: none !important;
  }

  .motion-player-card {
    padding: 14px;
    margin-top: 32px;
    border-radius: var(--radius-md);
  }

  .motion-card-topbar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-bottom: 14px;
  }

  .motion-tag-badge {
    justify-content: center;
    font-size: 11px;
    padding: 6px 12px;
  }

  .motion-switch-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
  }

  .motion-tab-btn {
    padding: 8px 6px;
    font-size: 12px;
    text-align: center;
  }

  .motion-meta-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-top: 14px;
    padding-top: 12px;
  }

  .hero-stats-ribbon {
    grid-template-columns: 1fr;
    gap: 16px;
    text-align: center;
  }
  .stat-divider { display: none; }
  
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .bristle-options {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .contact-card-wrap {
    padding: 32px 20px;
  }
}

@media (max-width: 480px) {
  .brand-sub {
    display: none;
  }
  .nav-container {
    padding: 0 16px;
  }
}
/* --------------------------------------------------------------------------
   18. Products 3-Grid (Authentic Products in Shop)
   -------------------------------------------------------------------------- */
.products-three-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1140px;
  margin: 0 auto;
}

@media (max-width: 992px) {
  .products-three-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 720px;
  }
}

@media (max-width: 640px) {
  .products-three-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
  }
}

.product-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  position: relative;
}

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

.product-item-card.featured-product {
  border-color: rgba(0, 113, 227, 0.35);
  box-shadow: 0 10px 30px rgba(0, 113, 227, 0.08);
}

.product-item-image-wrap {
  position: relative;
  background: #f1f5f9;
  height: 260px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-subtle);
}

body.theme-dark .product-item-image-wrap {
  background: #0b0f17;
}

.product-item-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-item-card:hover .product-item-img {
  transform: scale(1.04);
}

.product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
}

body.theme-dark .product-badge {
  background: rgba(15, 23, 42, 0.9);
}

.badge-popular {
  background: var(--accent-blue);
  color: #ffffff;
}

body.theme-dark .badge-popular {
  background: var(--accent-blue);
  color: #ffffff;
}

.badge-shipping {
  background: var(--accent-success);
  color: #ffffff;
}

body.theme-dark .badge-shipping {
  background: var(--accent-success);
  color: #ffffff;
}

.product-item-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-item-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.3;
}

.product-item-colors {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 10px;
}

.product-item-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 18px;
  flex: 1;
}

.product-item-specs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.spec-tag {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  color: var(--text-secondary);
}


/* ==================== PRODUCT PRICING & DISCOUNT BADGES ==================== */
.product-item-pricing {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 6px 0 16px 0;
  flex-wrap: wrap;
}

.price-regular {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.price-sale {
  font-size: 24px;
  font-weight: 800;
  color: #10b981;
  letter-spacing: -0.5px;
}

.price-original {
  font-size: 15px;
  color: var(--text-tertiary);
  text-decoration: line-through;
  font-weight: 500;
}

.badge-discount {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  font-size: 11px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(16, 185, 129, 0.25);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

body.theme-dark .badge-discount {
  color: #34d399;
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(52, 211, 153, 0.3);
}

/* ==================== FLOATING ADMIN BAR ==================== */
.pb-floating-admin-bar {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  background: rgba(15, 23, 42, 0.94);
  color: #f8fafc;
  padding: 10px 18px;
  border-radius: 100px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  display: none;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  animation: adminBarSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes adminBarSlideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.pb-floating-admin-bar.active {
  display: flex;
}

.pb-admin-bar-btn {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pb-admin-bar-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.pb-admin-bar-btn.primary {
  background: var(--accent-blue);
}

.pb-admin-bar-btn.primary:hover {
  background: var(--accent-blue-hover);
}

/* ==================== QUICK EDIT MODAL ==================== */
.admin-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.admin-modal-backdrop.open {
  display: flex;
}

.admin-modal-card {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  max-width: 780px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
}

.admin-modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 2;
}

.admin-modal-title {
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-modal-close {
  background: transparent;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
  line-height: 1;
}

.admin-modal-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.admin-edit-section {
  background: var(--bg-secondary);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.admin-edit-section-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.admin-field-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.admin-field-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.admin-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 13px;
  transition: border-color 0.2s;
}

.admin-input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.admin-file-picker {
  font-size: 12px;
  padding: 6px;
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
}

.admin-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-primary);
}

.admin-modal-footer {
  padding: 18px 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: var(--bg-card);
  position: sticky;
  bottom: 0;
  z-index: 2;
}

/* Admin Tabs */
.admin-modal-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 24px;
  background: var(--bg-card);
}

.admin-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 12px 16px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.admin-tab-btn:hover {
  color: var(--text-primary);
}

.admin-tab-btn.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
}

.admin-tab-pane {
  display: none;
  flex-direction: column;
  gap: 20px;
}

.admin-tab-pane.active {
  display: flex;
}

.admin-add-product-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  color: var(--accent-blue);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
}

.admin-add-product-btn:hover {
  border-color: var(--accent-blue);
  background: rgba(0, 113, 227, 0.05);
}

.admin-delete-prod-btn {
  background: transparent;
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.admin-delete-prod-btn:hover {
  background: #ef4444;
  color: #fff;
}