/* ==========================================================================
   GAMECUP™ Store - Modern, Sleek, Light Theme Ecommerce Styling
   Ultra-clean, crisp, premium aesthetic inspired by Apple, Ember, and Fellow.
   ========================================================================== */

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --border-subtle: #e2e8f0;
  --border-focus: #cbd5e1;
  
  --accent-blue: #2563eb;
  --accent-blue-hover: #1d4ed8;
  --accent-indigo: #4f46e5;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 35px -5px rgba(0, 0, 0, 0.09), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-w: 1200px;
}

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* --- TOP ANNOUNCEMENT BAR --- */
.announcement-bar {
  background: linear-gradient(90deg, #1e293b 0%, #0f172a 100%);
  color: #f8fafc;
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  padding: 9px 16px;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.announcement-badge {
  background: rgba(255, 255, 255, 0.15);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- HEADER & NAVIGATION --- */
.store-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
}

.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.logo-cup-icon {
  width: 32px;
  height: 32px;
  color: var(--accent-blue);
  flex-shrink: 0;
}

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

.nav-link {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-control-room-portal {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 700;
  padding: 7px 13px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  transition: all 0.15s ease;
}

.btn-control-room-portal:hover {
  background: #e2e8f0;
  border-color: #cbd5e1;
  transform: translateY(-1px);
}

.portal-dot {
  width: 7px;
  height: 7px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-emerald);
}

.btn-cart-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--text-primary);
  color: #fff;
  padding: 9px 18px;
  border-radius: var(--radius-full);
  font-size: 13.5px;
  font-weight: 700;
  transition: all 0.18s ease;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.18);
}

.btn-cart-toggle:hover {
  background: #1e293b;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.25);
}

.cart-counter {
  background: var(--accent-blue);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

/* --- HERO SECTION --- */
.hero-section {
  padding: 70px 24px 80px;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  border-bottom: 1px solid var(--border-subtle);
}

.hero-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: var(--accent-blue);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12.5px;
  font-weight: 700;
  margin-bottom: 22px;
}

.hero-title {
  font-size: 54px;
  font-weight: 850;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

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

.hero-subtitle {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 520px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--text-primary);
  color: #fff;
  padding: 15px 32px;
  border-radius: var(--radius-full);
  font-size: 15.5px;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.2);
  transition: all 0.18s ease;
}

.btn-primary:hover {
  background: #1e293b;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.28);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1.5px solid var(--border-subtle);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: 15.5px;
  font-weight: 700;
  transition: all 0.18s ease;
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  background: var(--bg-tertiary);
  transform: translateY(-2px);
}

.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Hero Showcase Card */
.hero-cup-showcase {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.showcase-pill-tag {
  position: absolute;
  top: 20px;
  left: 20px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.hero-cup-canvas {
  width: 260px;
  height: 340px;
  margin: 10px 0 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.hero-cup-canvas:hover {
  transform: translateY(-4px) scale(1.02);
}

.hero-cup-info {
  text-align: center;
  width: 100%;
}

.hero-cup-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.hero-cup-price {
  font-size: 17px;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 16px;
}

/* Color Swatches */
.swatch-picker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.swatch-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid #fff;
  outline: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

.swatch-btn.active {
  outline-color: var(--text-primary);
  transform: scale(1.15);
}

/* --- VALUE PILLARS STRIP --- */
.pillars-section {
  padding: 50px 24px;
  background: #ffffff;
  border-bottom: 1px solid var(--border-subtle);
}

.pillars-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.pillar-box {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.pillar-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: #eff6ff;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.pillar-title {
  font-size: 15px;
  font-weight: 750;
  color: var(--text-primary);
  margin-bottom: 3px;
}

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

/* --- PRODUCT CATALOG (THE CUPS) --- */
.catalog-section {
  padding: 90px 24px;
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-blue);
  margin-bottom: 10px;
}

.section-heading {
  font-size: 38px;
  font-weight: 850;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.section-subtext {
  font-size: 16.5px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.products-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.22s ease;
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: #cbd5e1;
}

.card-badge-top {
  position: absolute;
  top: 18px;
  left: 18px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card-badge-top.popular {
  background: #ecfdf5;
  border-color: #a7f3d0;
  color: #065f46;
}

.product-art-wrap {
  width: 100%;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 20px 0 16px;
  transition: transform 0.2s ease;
}

.product-card:hover .product-art-wrap {
  transform: scale(1.03);
}

.product-details {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--accent-amber);
  margin-bottom: 6px;
}

.rating-count {
  color: var(--text-muted);
  font-weight: 500;
}

.product-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.product-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-bottom: 16px;
  flex: 1;
}

.product-spec-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}

.spec-pill {
  background: var(--bg-tertiary);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.card-swatches-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.swatch-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.card-action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.product-price-box {
  display: flex;
  flex-direction: column;
}

.price-val {
  font-size: 21px;
  font-weight: 850;
  color: var(--text-primary);
}

.price-sub {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.btn-add-cart {
  background: var(--text-primary);
  color: #fff;
  font-size: 13.5px;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn-add-cart:hover {
  background: var(--accent-blue);
  transform: translateY(-1px);
}

/* --- ENGINEERING / TECH SECTION --- */
.engineering-section {
  padding: 90px 24px;
  background: #ffffff;
  border-bottom: 1px solid var(--border-subtle);
}

.engineering-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 24px;
}

.feature-item {
  display: flex;
  gap: 16px;
}

.feature-num {
  font-size: 16px;
  font-weight: 800;
  color: var(--accent-blue);
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.exploded-view-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: var(--shadow-md);
}

/* --- REVIEWS SECTION --- */
.reviews-section {
  padding: 90px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.reviews-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.review-stars {
  color: var(--accent-amber);
  font-size: 15px;
}

.review-text {
  font-size: 14.5px;
  color: var(--text-primary);
  line-height: 1.55;
  flex: 1;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.author-meta {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 13.5px;
  font-weight: 750;
  color: var(--text-primary);
}

.author-title {
  font-size: 11.5px;
  color: var(--text-muted);
}

/* --- SLIDE-OUT CART DRAWER --- */
.cart-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.cart-drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(440px, 100vw);
  height: 100vh;
  background: #ffffff;
  z-index: 1001;
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 35px rgba(0, 0, 0, 0.15);
}

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

.cart-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cart-title {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-primary);
}

.cart-close-btn {
  font-size: 20px;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

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

.cart-shipping-banner {
  background: #f0fdf4;
  border-bottom: 1px solid #bbf7d0;
  padding: 10px 24px;
  font-size: 12.5px;
  color: #166534;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cart-items-container {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cart-empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 42px;
  margin-bottom: 12px;
}

.cart-item-row {
  display: flex;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.cart-item-thumb {
  width: 64px;
  height: 64px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cart-item-info {
  flex: 1;
}

.cart-item-name {
  font-size: 14.5px;
  font-weight: 750;
  color: var(--text-primary);
}

.cart-item-variant {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.cart-item-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.qty-controls {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.qty-btn {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  font-size: 13px;
  font-weight: 700;
}

.qty-val {
  width: 28px;
  text-align: center;
  font-size: 12.5px;
  font-weight: 700;
}

.cart-item-price {
  font-size: 14.5px;
  font-weight: 800;
  color: var(--text-primary);
}

.cart-footer {
  padding: 20px 24px 28px;
  border-top: 1px solid var(--border-subtle);
  background: #fafafa;
}

.cart-summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.btn-checkout {
  width: 100%;
  background: var(--text-primary);
  color: #fff;
  padding: 14px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 750;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
  transition: all 0.15s ease;
}

.btn-checkout:hover {
  background: #1e293b;
  transform: translateY(-1px);
}

/* --- TOAST NOTIFICATION --- */
.store-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--text-primary);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-full);
  font-size: 13.5px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 8px;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 2000;
}

.store-toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* --- FOOTER --- */
.store-footer {
  background: #ffffff;
  padding: 60px 24px 36px;
  border-top: 1px solid var(--border-subtle);
}

.footer-container {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 12px;
  max-width: 320px;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

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

.footer-links a {
  font-size: 13.5px;
  color: var(--text-secondary);
}

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

.footer-bottom-row {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}

/* --- RESPONSIVE BREAKPOINTS --- */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-subtitle {
    margin: 0 auto 32px;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-trust-row {
    justify-content: center;
  }
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .engineering-grid {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 38px;
  }
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .footer-container {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .hero-trust-row {
    flex-direction: column;
    gap: 10px;
  }
}

/* --- OUT OF STOCK & WAITLIST STYLES --- */
.card-badge-top.sold-out {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

.stock-status-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 750;
  color: #dc2626;
  background: #fef2f2;
  border: 1px solid #fee2e2;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  margin-top: 4px;
}

.stock-status-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #ef4444;
}

.btn-notify-me {
  background: #0f172a;
  color: #fff;
  font-size: 13.5px;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.15);
}

.btn-notify-me:hover {
  background: var(--accent-blue);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-notify-me.joined {
  background: #10b981;
  color: #fff;
  cursor: default;
}

/* Waitlist Modal */
.waitlist-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

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

.waitlist-modal-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  padding: 32px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-subtle);
  position: relative;
  transform: translateY(20px) scale(0.98);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.waitlist-modal-overlay.open .waitlist-modal-card {
  transform: translateY(0) scale(1);
}

.waitlist-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.waitlist-close-btn:hover {
  background: #e2e8f0;
  color: var(--text-primary);
}

.waitlist-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  font-size: 11.5px;
  font-weight: 750;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.waitlist-title {
  font-size: 22px;
  font-weight: 850;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.waitlist-sub {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 22px;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.waitlist-input {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-subtle);
  font-size: 14.5px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.15s ease;
}

.waitlist-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.btn-submit-waitlist {
  background: var(--text-primary);
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--radius-full);
  font-size: 14.5px;
  font-weight: 750;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-submit-waitlist:hover {
  background: var(--accent-blue);
  transform: translateY(-1px);
}