/* ================================================
   FanStore — Main Stylesheet (index.html)
   ================================================ */

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

/* ---- CSS Variables ---- */
:root {
  --primary: #00D4FF;
  --primary-dark: #00A8CC;
  --primary-glow: rgba(0, 212, 255, 0.3);
  --accent: #7C3AED;
  --accent-glow: rgba(124, 58, 237, 0.3);
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;

  --bg-deep: #050A18;
  --bg-dark: #0D1425;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --glass: rgba(255, 255, 255, 0.07);
  --glass-border: rgba(255, 255, 255, 0.12);

  --text-primary: #F0F4FF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px var(--primary-glow);

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background animated gradient */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(0, 212, 255, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 70%, rgba(124, 58, 237, 0.08) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; font-family: var(--font-body); }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--primary-dark); border-radius: 3px; }

/* ================================================
   HEADER / NAVBAR
   ================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(5, 10, 24, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  animation: spin-slow 8s linear infinite;
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.logo-text { background: linear-gradient(135deg, var(--primary), #fff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.nav-links {
  display: flex;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
}

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

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

.search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: 8px 16px;
  transition: var(--transition);
}

.search-bar:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.search-bar input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  width: 200px;
}

.search-bar input::placeholder { color: var(--text-muted); }
.search-bar i { color: var(--text-muted); }

.cart-btn {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 1.1rem;
  transition: var(--transition);
}

.cart-btn:hover {
  background: var(--primary-glow);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.cart-count {
  position: absolute;
  top: -6px;
  right: -6px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
}

.menu-toggle {
  display: none;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  color: var(--text-primary);
  font-size: 1.1rem;
}

/* ================================================
   HERO 3D SHOWROOM SECTION
   ================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 110px 24px 70px;
  overflow: hidden;
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 70% 50% at 75% 35%, rgba(0, 212, 255, 0.12) 0%, transparent 65%),
    radial-gradient(ellipse 60% 40% at 20% 70%, rgba(124, 58, 237, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

/* Animated orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  animation: float 7s ease-in-out infinite;
  pointer-events: none;
}

.hero-orb-1 {
  width: 450px; height: 450px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.18), transparent);
  top: 5%; right: 10%;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.18), transparent);
  top: 30%; left: -80px;
  animation-delay: -3.5s;
}

.hero-orb-3 {
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.14), transparent);
  bottom: 10%; left: 40%;
  animation-delay: -1.8s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-25px) scale(1.04); }
}

/* Two-column Hero Layout */
.hero-layout {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: 1380px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-content {
  text-align: left;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.3);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
  border-radius: 50px;
  padding: 8px 18px;
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  animation: fadeInDown 0.7s ease;
}

.live-dot-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
  animation: pulse-dot 1.8s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.4); opacity: 1; box-shadow: 0 0 16px var(--primary); }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  animation: fadeInUp 0.7s ease 0.1s both;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #00D4FF 0%, #A78BFA 50%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 25px rgba(0, 212, 255, 0.3));
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 580px;
  animation: fadeInUp 0.7s ease 0.2s both;
}

/* High-tech feature badges grid */
.hero-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 32px;
  animation: fadeInUp 0.7s ease 0.25s both;
}

.feat-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  color: #E2E8F0;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.feat-pill i {
  color: var(--primary);
  font-size: 1rem;
}

.feat-pill:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-2px);
}

/* Hero Actions */
.hero-actions {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
  animation: fadeInUp 0.7s ease 0.3s both;
}

.btn-sound-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 12px 20px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

.btn-sound-toggle:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-sound-toggle.active {
  background: rgba(0, 212, 255, 0.18);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.25);
}

/* Hero Stats Bar */
.hero-stats {
  display: flex;
  gap: 32px;
  animation: fadeInUp 0.7s ease 0.35s both;
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ================================================
   3D SHOWCASE CARD & HUD
   ================================================ */
.hero-3d-column {
  position: relative;
  width: 100%;
}

.hero-3d-card {
  background: rgba(13, 20, 37, 0.65);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(24px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 212, 255, 0.12);
  overflow: hidden;
  position: relative;
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.hero-3d-card:hover {
  border-color: rgba(0, 212, 255, 0.45);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.65), 0 0 50px rgba(0, 212, 255, 0.2);
}

.hero-3d-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 10, 24, 0.5);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  font-family: var(--font-heading);
}

.live-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 8px #10B981;
}

.interaction-tip {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-canvas-view {
  width: 100%;
  height: 440px;
  position: relative;
  cursor: grab;
}

.hero-canvas-view:active {
  cursor: grabbing;
}

/* Floating Glassmorphic 3D Controls HUD */
.hero-3d-hud {
  padding: 16px 20px 20px;
  background: rgba(5, 10, 24, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hud-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.hud-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.speed-buttons-row {
  display: flex;
  gap: 6px;
  flex: 1;
  justify-content: flex-end;
}

.speed-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  transition: var(--transition-fast);
}

.speed-btn:hover {
  background: rgba(0, 212, 255, 0.15);
  color: var(--primary);
  border-color: var(--primary);
}

.speed-btn.active {
  background: var(--primary);
  color: #050A18;
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
}

.speed-btn.turbo {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: #F59E0B;
}

.speed-btn.turbo.active {
  background: linear-gradient(135deg, #F59E0B, #EF4444);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
}

/* Tools Row (Swing, Explode, Wind) */
.hud-tools-row {
  display: flex;
  gap: 10px;
}

.hud-toggle-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  transition: var(--transition-fast);
}

.hud-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--text-primary);
}

.hud-toggle-btn.active {
  background: rgba(0, 212, 255, 0.15);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
}

/* Bottom Row (Color dots & Camera view chips) */
.hud-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 4px;
}

.hud-colors {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-sub-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.color-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.2s ease, border-color 0.2s ease;
  position: relative;
}

.color-dot:hover {
  transform: scale(1.2);
}

.color-dot.active {
  border-color: #fff;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
  transform: scale(1.15);
}

.color-dot.titan { background: linear-gradient(135deg, #718096, #A0AEC0); }
.color-dot.pearl { background: linear-gradient(135deg, #F8FAFC, #E2E8F0); }
.color-dot.black { background: linear-gradient(135deg, #1E293B, #0F172A); }
.color-dot.cyan  { background: linear-gradient(135deg, #00D4FF, #0284C7); }
.color-dot.gold  { background: linear-gradient(135deg, #F59E0B, #B45309); }

.hud-views {
  display: flex;
  gap: 6px;
}

.view-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.view-chip:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.view-chip.active {
  background: rgba(0, 212, 255, 0.12);
  border-color: rgba(0, 212, 255, 0.3);
  color: var(--primary);
}

/* ================================================
   SHOP SECTION
   ================================================ */
.shop-section {
  padding: 80px 24px;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-label {
  display: inline-block;
  background: var(--primary-glow);
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -1px;
}

/* Category Tabs */
.category-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 32px;
}

.cat-tab {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: 10px 20px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.cat-tab:hover, .cat-tab.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-color: transparent;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px var(--primary-glow);
}

/* Filters Bar */
.filters-bar {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding: 20px 24px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 200px;
}

.filter-group label {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  font-weight: 500;
}

.filter-select {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: var(--transition-fast);
  font-family: var(--font-body);
}

.filter-select:focus { border-color: var(--primary); }
.filter-select option { background: #1a1a2e; }

.results-count {
  margin-left: auto;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Product Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

/* Product Card with 3D Perspective Tilt */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.25s ease, border-color 0.25s ease;
  cursor: pointer;
  position: relative;
  animation: fadeInUp 0.5s ease both;
  transform-style: preserve-3d;
  will-change: transform;
}

.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(0, 212, 255, 0.12), transparent 40%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}

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

.product-card:hover {
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 212, 255, 0.15);
}

.product-card:hover .card-image img {
  transform: scale(1.08);
}

.card-image {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: rgba(255,255,255,0.03);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card-badges {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 3;
}

.badge {
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  font-family: var(--font-heading);
}

.badge-sale { background: linear-gradient(135deg, #EF4444, #DC2626); color: #fff; }
.badge-new { background: linear-gradient(135deg, var(--success), #059669); color: #fff; }
.badge-hot { background: linear-gradient(135deg, #F59E0B, #D97706); color: #fff; }

/* Card Actions Hover Bar */
.card-actions-bar {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  gap: 8px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  z-index: 4;
}

.product-card:hover .card-actions-bar {
  opacity: 1;
  transform: translateY(0);
}

.card-btn-3d {
  flex: 1;
  background: rgba(13, 20, 37, 0.85);
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 0.76rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  backdrop-filter: blur(10px);
  transition: var(--transition-fast);
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.2);
}

.card-btn-3d:hover {
  background: var(--primary);
  color: #050A18;
  transform: scale(1.03);
}

.card-quick-add {
  flex: 1.2;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 0.76rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition-fast);
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.card-quick-add:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.card-body {
  padding: 18px;
}

.card-category {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-rating {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
}

.stars { color: #F59E0B; font-size: 0.75rem; }
.rating-count { font-size: 0.75rem; color: var(--text-muted); }

.card-price-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.card-price {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.card-original-price {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.discount-pct {
  background: rgba(239, 68, 68, 0.15);
  color: #EF4444;
  padding: 2px 8px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
  grid-column: 1 / -1;
}

.empty-state i { font-size: 3rem; margin-bottom: 16px; opacity: 0.4; }
.empty-state h3 { font-family: var(--font-heading); margin-bottom: 8px; color: var(--text-secondary); }

/* ================================================
   CART PANEL (Slide-in)
   ================================================ */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.cart-overlay.open { opacity: 1; visibility: visible; }

.cart-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(420px, 100vw);
  background: linear-gradient(180deg, #0D1425, #050A18);
  border-left: 1px solid var(--glass-border);
  z-index: 1200;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cart-panel.open { transform: translateX(0); }

.cart-header {
  padding: 24px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cart-header h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
}

.cart-close {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.cart-close:hover { background: rgba(239,68,68,0.2); border-color: #EF4444; color: #EF4444; }

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cart-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
}

.cart-empty i { font-size: 3rem; opacity: 0.4; }

.cart-item {
  display: flex;
  gap: 14px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 14px;
  transition: var(--transition);
}

.cart-item:hover { border-color: rgba(0,212,255,0.2); }

.cart-item-img {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.cart-item-info { flex: 1; min-width: 0; }
.cart-item-name {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-price {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.qty-control {
  display: flex;
  align-items: center;
  gap: 8px;
}

.qty-btn {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.qty-btn:hover { background: var(--primary-glow); border-color: var(--primary); color: var(--primary); }
.qty-num { font-size: 0.9rem; font-weight: 600; min-width: 24px; text-align: center; }

.cart-item-remove {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  padding: 4px;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.cart-item-remove:hover { color: #EF4444; }

.cart-footer {
  padding: 24px;
  border-top: 1px solid var(--glass-border);
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.cart-total-label { font-size: 0.9rem; color: var(--text-secondary); }
.cart-total-amount {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.checkout-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  padding: 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

.checkout-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--primary-glow);
}

.clear-cart-btn {
  width: 100%;
  background: transparent;
  border: 1px solid rgba(239,68,68,0.3);
  color: var(--text-muted);
  padding: 10px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-top: 10px;
  transition: var(--transition-fast);
}

.clear-cart-btn:hover { border-color: #EF4444; color: #EF4444; background: rgba(239,68,68,0.08); }

/* ================================================
   PRODUCT MODAL
   ================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  z-index: 1300;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open { opacity: 1; visibility: visible; }

.product-modal {
  background: linear-gradient(135deg, #0D1425, #1A0B3B);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  max-width: 860px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.open .product-modal { transform: scale(1); }

.modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.modal-image-section {
  position: relative;
  min-height: 360px;
}

.modal-image-section img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition-fast);
}

.modal-close:hover { background: rgba(239,68,68,0.6); }

.modal-info {
  padding: 36px 32px;
}

.modal-category {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.modal-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.3;
}

.modal-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.modal-price-section { margin-bottom: 20px; }
.modal-price {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.modal-original { font-size: 0.9rem; color: var(--text-muted); text-decoration: line-through; margin-top: 4px; }

.modal-desc { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }

.modal-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 24px;
}

.spec-item {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.spec-key { font-size: 0.7rem; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.spec-value { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }

.modal-add-section {
  display: flex;
  gap: 12px;
  align-items: center;
}

.modal-qty-control {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
}

.modal-qty-btn {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.1rem;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal-qty-btn:hover { color: var(--primary); }
.modal-qty-num { font-family: var(--font-heading); font-weight: 700; font-size: 1.1rem; min-width: 28px; text-align: center; }

.modal-add-btn {
  flex: 1;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

.modal-add-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--primary-glow);
}

/* ================================================
   CHECKOUT MODAL
   ================================================ */
.checkout-modal {
  max-width: 520px;
  padding: 40px;
}

.checkout-modal h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.checkout-modal p { color: var(--text-secondary); margin-bottom: 28px; font-size: 0.9rem; }

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.form-input::placeholder { color: var(--text-muted); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ================================================
   TOAST NOTIFICATIONS
   ================================================ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: rgba(13, 20, 37, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
  max-width: 360px;
  animation: slideInRight 0.3s ease;
  border-left: 3px solid var(--primary);
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

.toast-icon { font-size: 1.1rem; }
.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--danger); }
.toast.info .toast-icon { color: var(--primary); }

.toast-text { flex: 1; font-size: 0.875rem; line-height: 1.4; }

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

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

/* ================================================
   FOOTER
   ================================================ */
.footer {
  background: rgba(5, 10, 24, 0.9);
  border-top: 1px solid var(--glass-border);
  padding: 60px 24px 30px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.7; max-width: 280px; }

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 0.875rem; color: var(--text-muted); transition: var(--transition-fast); }
.footer-col ul li a:hover { color: var(--primary); }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }

.social-links { display: flex; gap: 10px; }
.social-link {
  width: 36px; height: 36px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}
.social-link:hover { background: var(--primary-glow); border-color: var(--primary); color: var(--primary); }

/* ================================================
   ANIMATIONS
   ================================================ */
@keyframes fadeInUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes fadeInDown {
  from { transform: translateY(-20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
/* ================================================
   3D PRODUCT INSPECTOR MODAL
   ================================================ */
.modal-3d-box {
  background: rgba(10, 16, 32, 0.96);
  border: 1px solid rgba(0, 212, 255, 0.35);
  border-radius: var(--radius-xl);
  max-width: 1080px;
  width: 95%;
  max-height: 90vh;
  overflow: hidden;
  position: relative;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8), 0 0 60px rgba(0, 212, 255, 0.2);
  backdrop-filter: blur(28px);
  transform: scale(0.92);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.open .modal-3d-box {
  transform: scale(1);
}

.modal-close-3d {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition-fast);
}

.modal-close-3d:hover {
  background: rgba(239, 68, 68, 0.3);
  border-color: #EF4444;
  color: #EF4444;
  transform: rotate(90deg);
}

.modal-3d-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  min-height: 580px;
  max-height: 85vh;
}

.modal-3d-viewport-wrapper {
  background: radial-gradient(circle at center, rgba(0, 212, 255, 0.08), rgba(5, 10, 24, 0.95));
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  position: relative;
}

.modal-3d-top-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5;
  pointer-events: none;
}

.badge-3d-live {
  background: rgba(0, 212, 255, 0.15);
  border: 1px solid rgba(0, 212, 255, 0.4);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
}

.hint-3d {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.product-3d-canvas {
  flex: 1;
  width: 100%;
  min-height: 420px;
  cursor: grab;
}

.product-3d-canvas:active {
  cursor: grabbing;
}

.modal-3d-controls-dock {
  padding: 14px 20px;
  background: rgba(5, 10, 24, 0.85);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.m3d-speed-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.m3d-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

.m3d-speed-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-heading);
  cursor: pointer;
  transition: var(--transition-fast);
}

.m3d-speed-btn:hover {
  background: rgba(0, 212, 255, 0.15);
  color: var(--primary);
  border-color: var(--primary);
}

.m3d-speed-btn.active {
  background: var(--primary);
  color: #050A18;
  border-color: var(--primary);
}

.m3d-speed-btn.m3d-turbo.active {
  background: linear-gradient(135deg, #F59E0B, #EF4444);
  color: #fff;
}

.m3d-toggles {
  display: flex;
  gap: 8px;
}

.m3d-pill {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.m3d-pill:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.m3d-pill.active {
  background: rgba(0, 212, 255, 0.18);
  border-color: var(--primary);
  color: var(--primary);
}

/* Modal Right Column (Details) */
.modal-3d-details {
  padding: 32px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.m3d-brand-cat {
  font-size: 0.78rem;
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.m3d-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 12px;
}

.m3d-rating-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.m3d-price-box {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.m3d-price {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.m3d-original-price {
  font-size: 0.95rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.m3d-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.m3d-specs-table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 24px;
}

.m3d-spec-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
}

.m3d-spec-key {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.m3d-spec-val {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.m3d-colors-row {
  margin-bottom: 24px;
}

.m3d-colors-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 8px;
}

.m3d-color-swatches {
  display: flex;
  gap: 10px;
}

.m3d-actions-row {
  display: flex;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
}

.m3d-qty-selector {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 8px 14px;
}

.m3d-qty-btn {
  background: transparent;
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 4px;
}

.m3d-qty-num {
  font-size: 0.95rem;
  font-weight: 700;
  min-width: 24px;
  text-align: center;
}

.m3d-add-cart-btn {
  flex: 1;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-radius: var(--radius-md);
  padding: 14px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px var(--primary-glow);
}

.m3d-add-cart-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--primary-glow);
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content {
    text-align: center;
  }
  .hero-features-grid {
    max-width: 480px;
    margin: 0 auto 32px;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .stat-item {
    text-align: center;
  }
  .modal-3d-grid {
    grid-template-columns: 1fr;
    max-height: 80vh;
  }
  .modal-3d-viewport-wrapper {
    min-height: 340px;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .search-bar { display: none; }
  .menu-toggle { display: flex; }

  .hero-stats { gap: 24px; }

  .modal-body { grid-template-columns: 1fr; }
  .modal-image-section img { border-radius: var(--radius-xl) var(--radius-xl) 0 0; max-height: 300px; }

  .filters-bar { flex-direction: column; align-items: stretch; }
  .results-count { margin-left: 0; }

  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .card-actions-bar { flex-direction: column; }
}

@media (max-width: 380px) {
  .products-grid { grid-template-columns: 1fr; }
}