/* ============================================
   PATEL DENTAL DEPOT — Design System
   Premium Dental E-Commerce CSS
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #93C5FD;
  --primary-bg: #EFF6FF;
  --secondary: #0F172A;
  --secondary-light: #1E293B;
  --accent: #14B8A6;
  --bg: #FFFFFF;
  --surface: #F8FAFC;
  --surface-2: #F1F5F9;
  --border: #E2E8F0;
  --border-light: #F8FAFC;
  --text: #0F172A;
  --text-secondary: #475569;
  --text-light: #94A3B8;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --whatsapp: #25D366;
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 20px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.08);
  --shadow-xl: 0 30px 60px rgba(15, 23, 42, 0.12);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- 1. Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

input, select, textarea, button {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
  background: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

/* ---------- 2. Container ---------- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ---------- 3. Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
  padding: 0;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.35rem;
  cursor: pointer;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  font-size: 1.6rem;
  line-height: 1;
}

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

.logo-text .highlight {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 18px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  font-size: 0.95rem;
  position: relative;
}

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

.nav-links a.active {
  color: var(--primary);
  background: var(--primary-bg);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-search {
  position: relative;
}

.nav-search input {
  width: 220px;
  padding: 9px 16px 9px 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.875rem;
  color: var(--text);
  transition: var(--transition);
}

.nav-search input:focus {
  border-color: var(--primary);
  background: var(--bg);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
  width: 260px;
}

.nav-search input::placeholder {
  color: var(--text-light);
}

.nav-search i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 0.85rem;
  pointer-events: none;
}

#nav-search-btn {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 100%;
  cursor: pointer;
  z-index: 2;
}

.nav-cart {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.15rem;
}

.nav-cart:hover {
  background: var(--primary-bg);
  color: var(--primary);
}

.cart-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background: var(--error);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  min-width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg);
  line-height: 1;
}

.cart-badge.hidden {
  display: none;
}

.hamburger {
  display: none; /* Blocked on desktop, flex on mobile */
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.15rem;
  border: none;
  outline: none;
  padding: 0;
  z-index: 1100;
}

.hamburger:hover {
  background: var(--primary-bg);
  color: var(--primary);
}

/* When the navbar is transparent (not scrolled) on dark pages (home and auth) */
body[data-page="home"] .navbar:not(.scrolled) .hamburger,
body[data-page="auth"] .navbar .hamburger {
  background: rgba(255, 255, 255, 0.1) !important;
  color: #ffffff !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
}

body[data-page="home"] .navbar:not(.scrolled) .hamburger:hover,
body[data-page="auth"] .navbar .hamburger:hover {
  background: rgba(255, 255, 255, 0.2) !important;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px; /* Slide-in drawer instead of covering full screen */
  max-width: 100%;
  height: 100vh;
  background: #0F172A; /* Slate 900 for premium dark look */
  color: #fff;
  z-index: 1050;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  padding: 24px;
  gap: 0;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 40px rgba(0,0,0,0.5);
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 20px;
}

.mobile-menu .nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mobile-menu .logo-text {
  color: #fff;
}

.mobile-menu .close-menu {
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.2s;
}

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

.mobile-search {
  position: relative;
  margin-bottom: 24px;
}

.mobile-search input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: #fff;
  font-size: 0.9rem;
  transition: all 0.25s;
}

.mobile-search input:focus {
  border-color: #5EEAD4;
  background: rgba(255, 255, 255, 0.1);
}

.mobile-search input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.mobile-search button {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.9rem;
  cursor: pointer;
}

.mobile-nav-links {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-right: 4px;
  margin-bottom: 20px;
}

.mobile-nav-links::-webkit-scrollbar {
  width: 4px;
}
.mobile-nav-links::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
}

.mobile-nav-links li {
  width: 100%;
}

.mobile-nav-links a {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  padding: 10px 14px;
  border-radius: 10px;
  transition: all 0.2s;
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
  color: #5EEAD4;
  background: rgba(94, 234, 212, 0.15);
}

.mobile-categories-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.35);
  padding: 14px 14px;
  cursor: pointer;
  background: none;
  border: none;
  outline: none;
  transition: color 0.2s;
  box-sizing: border-box;
  text-align: left;
}

.mobile-categories-toggle:hover,
.mobile-categories-toggle.active {
  color: #5EEAD4;
}

.mobile-categories-toggle .toggle-arrow {
  font-size: 0.75rem;
  transition: transform 0.3s ease;
}

.mobile-categories-toggle.active .toggle-arrow {
  transform: rotate(180deg);
}

.mobile-categories-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-sublink {
  font-size: 0.9rem !important;
  font-weight: 500 !important;
  color: rgba(255, 255, 255, 0.65) !important;
  padding-left: 28px !important;
  display: block;
}

.mobile-menu-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-menu-footer .btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
}

.mobile-menu-footer .btn-outline {
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  color: #fff;
}

.mobile-menu-footer .btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: #fff;
}

.mobile-menu-footer .btn-whatsapp {
  background: #25D366;
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2);
}

.mobile-menu-footer .btn-whatsapp:hover {
  background: #20ba5a;
}

/* ---------- 4. Hero Slider ---------- */
.hero-slider {
  position: relative;
  min-height: calc(100vh - 72px);
  margin-top: 72px;
  overflow: hidden;
  background-color: var(--secondary);
}

.hero-slides {
  position: relative;
  width: 100%;
  height: calc(100vh - 72px - 80px); /* Adjust for nav and stats bar */
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  z-index: 2;
}

.hero-slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(15,23,42,0.9) 0%, rgba(15,23,42,0.7) 40%, rgba(15,23,42,0.2) 100%);
  z-index: 1;
}

.hero-slide-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 800px;
  padding: 0 40px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-slide-content .hero-title {
  color: #fff;
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-slide-content .hero-subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.25rem;
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
}

.hero-slider-nav {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.slider-dot {
  width: 40px;
  height: 4px;
  min-width: 0;
  min-height: 0;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition);
}

.slider-dot.active {
  background: var(--primary);
  width: 60px;
}

.hero-stats-bar {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 24px 0;
  z-index: 3;
  position: relative;
}

.hero-stats-row {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.hero-stat-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-stat-item strong {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  color: var(--primary);
  line-height: 1;
}

.hero-stat-item span {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  line-height: 1.4;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(8, 145, 178, 0.35);
}

.btn-secondary {
  background: var(--secondary);
  color: #fff;
  border-color: var(--secondary);
}

.btn-secondary:hover {
  background: var(--secondary-light);
  border-color: var(--secondary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30, 58, 95, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(8, 145, 178, 0.35);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
  background: #fff;
  color: var(--secondary);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
  border-color: var(--whatsapp);
}

.btn-whatsapp:hover {
  background: #1ebe5d;
  border-color: #1ebe5d;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--surface);
  color: var(--text);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
}

.btn-block {
  width: 100%;
}

/* ---------- 6. Section ---------- */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--surface);
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 20px auto 0;
  line-height: 1.7;
}

/* ---------- 7. Product Card ---------- */
.product-card {
  background: var(--bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
}

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

.product-card-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
}

.product-card-image .category-icon {
  font-size: 3rem;
  color: var(--primary);
  opacity: 0.25;
  transition: var(--transition);
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  mix-blend-mode: multiply;
}

.product-card:hover .product-card-image img {
  transform: scale(1.05);
}

.badge-discount {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--error);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
  z-index: 2;
}

.badge-new {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: 2;
}

.badge-bestseller {
  position: absolute;
  top: 12px;
  left: 12px;
  background: linear-gradient(135deg, #F59E0B, #D97706);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: 2;
}

.product-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card-brand {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.product-card-name {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-name a {
  color: inherit;
}

.product-card-name a:hover {
  color: var(--primary);
}

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

.product-card-rating .stars {
  display: flex;
  gap: 2px;
  color: var(--warning);
  font-size: 0.8rem;
}

.product-card-rating .rating-text {
  font-size: 0.78rem;
  color: var(--text-light);
}

.product-card-price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 16px;
  margin-top: auto;
}

.product-card-price .current-price {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.product-card-price .original-price {
  font-size: 0.88rem;
  color: var(--text-light);
  text-decoration: line-through;
}

.product-card-actions {
  display: flex;
  gap: 8px;
}

.product-card-actions .btn {
  flex: 1;
  padding: 10px 12px;
  font-size: 0.82rem;
}

.product-card .out-of-stock-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  backdrop-filter: blur(2px);
}

.product-card .out-of-stock-overlay span {
  background: var(--text);
  color: #fff;
  padding: 8px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
}

/* ---------- 8. Category Card ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 36px 24px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

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

.category-card .category-icon-wrapper {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.6rem;
  color: var(--primary);
  transition: var(--transition);
}

.category-card:hover .category-icon-wrapper {
  background: var(--primary);
  color: #fff;
  transform: scale(1.1);
}

.category-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.category-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.category-card .cat-count {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--text-light);
  font-weight: 500;
}

/* ---------- 9. Stats Section ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 32px 16px;
}

.stat-item .stat-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.stat-item .stat-number {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1;
}

.stat-item .stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ---------- 10. Testimonial Card ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.testimonial-card {
  background: var(--bg);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 20px;
  right: 28px;
  font-size: 4rem;
  color: var(--primary-bg);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card .stars {
  display: flex;
  gap: 3px;
  color: var(--warning);
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.testimonial-card .quote {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-card .author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-card .author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}

.testimonial-card .author-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.testimonial-card .author-info p {
  font-size: 0.82rem;
  color: var(--text-light);
}

/* ---------- 11. Brand Strip ---------- */
.brands-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 36px;
  padding: 20px 0;
}

.brands-strip .brand-item {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-light);
  opacity: 0.5;
  transition: var(--transition);
  cursor: default;
  letter-spacing: 0.5px;
}

.brands-strip .brand-item:hover {
  opacity: 1;
  color: var(--primary);
}

/* ---------- 12. Feature Card ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.feature-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

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

.feature-card .feature-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
  color: var(--primary);
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  color: #fff;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

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

/* ---------- 13. Footer ---------- */
.footer {
  background: linear-gradient(180deg, #1a2e47 0%, #0F2027 100%);
  color: rgba(255, 255, 255, 0.85);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-col h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer-col h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-about .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 14px;
}

.footer-about .footer-logo .highlight {
  color: var(--primary-light);
}

.footer-about p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
  font-size: 0.95rem;
}

.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-col ul li a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-col ul li a i {
  font-size: 0.7rem;
  color: var(--primary);
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

.footer-contact-item i {
  color: var(--primary-light);
  font-size: 0.95rem;
  margin-top: 4px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ---------- 14. Shop Page ---------- */
.shop-hero {
  background: linear-gradient(135deg, #0F2027 0%, #1E3A5F 50%, #0E7490 100%);
  padding: 120px 0 50px;
  text-align: center;
  color: #fff;
}

.shop-hero h1 {
  font-size: 2.5rem;
  color: #fff;
  margin-bottom: 10px;
}

.shop-hero p {
  color: rgba(255, 255, 255, 0.7);
}

.shop-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  padding: 40px 0;
}

.filters-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}

.filters-card {
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 24px;
}

.filters-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.filter-group {
  margin-bottom: 20px;
}

.filter-group:last-child {
  margin-bottom: 0;
}

.filter-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.filter-group select,
.filter-group input {
  width: 100%;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  transition: var(--transition);
  appearance: auto;
}

.filter-group select:focus,
.filter-group input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

.price-range {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.products-main {
  min-width: 0;
}

.products-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.products-header .results-count {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.products-header .results-count span {
  font-weight: 700;
  color: var(--text);
}

.sort-select {
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.88rem;
  cursor: pointer;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

/* ---------- 15. Product Detail ---------- */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding: 40px 0;
}

.product-image-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
  position: relative;
  border: 1px solid var(--border);
}

.product-image-container .category-icon-large {
  font-size: 6rem;
  color: var(--primary);
  opacity: 0.2;
}

.product-image-container:hover .category-icon-large {
  transform: scale(1.05);
  transition: var(--transition);
}

.product-info {
  padding: 16px 0;
}

.product-info .product-brand {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.product-info .product-name {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.25;
}

.product-info .product-rating {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.product-info .product-rating .stars {
  display: flex;
  gap: 3px;
  color: var(--warning);
  font-size: 1rem;
}

.product-info .product-rating span {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.product-info .product-price-block {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 6px;
}

.product-info .product-price-block .price {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-dark);
}

.product-info .product-price-block .mrp {
  font-size: 1.1rem;
  color: var(--text-light);
  text-decoration: line-through;
}

.product-info .product-price-block .discount-tag {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--success);
  background: rgba(16, 185, 129, 0.1);
  padding: 4px 10px;
  border-radius: 50px;
}

.product-info .stock-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.product-info .stock-status.in-stock {
  color: var(--success);
}

.product-info .stock-status.out-of-stock {
  color: var(--error);
}

.product-info .product-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.product-info .product-features {
  margin-bottom: 28px;
}

.product-info .product-features h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.product-info .product-features ul {
  list-style: none;
}

.product-info .product-features ul li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.product-info .product-features ul li i {
  color: var(--success);
  font-size: 0.8rem;
}

.quantity-selector {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: inline-flex;
  overflow: hidden;
}

.quantity-selector button {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: var(--surface);
  color: var(--text);
  font-size: 1.1rem;
  transition: var(--transition);
  border: none;
}

.quantity-selector button:hover {
  background: var(--primary-bg);
  color: var(--primary);
}

.quantity-selector .qty-value {
  width: 56px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.product-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.product-actions .btn {
  padding: 14px 32px;
  font-size: 1rem;
}

.related-section {
  padding: 60px 0 80px;
}

/* ---------- 16. Cart ---------- */
.cart-hero {
  background: linear-gradient(135deg, #0F2027 0%, #1E3A5F 50%, #0E7490 100%);
  padding: 120px 0 50px;
  text-align: center;
  color: #fff;
}

.cart-hero h1 {
  font-size: 2.5rem;
  color: #fff;
}

.cart-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  padding: 40px 0 80px;
}

.cart-items-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cart-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.cart-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.cart-item-image {
  width: 90px;
  height: 90px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cart-item-image i {
  font-size: 1.8rem;
  color: var(--primary);
  opacity: 0.3;
}

.cart-item-info {
  flex: 1;
  min-width: 0;
}

.cart-item-info h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-info .item-brand {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 4px;
}

.cart-item-info .item-price {
  font-weight: 700;
  color: var(--primary-dark);
  font-size: 1rem;
}

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

.cart-item-qty button {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: var(--surface);
  color: var(--text);
  transition: var(--transition);
}

.cart-item-qty button:hover {
  background: var(--primary-bg);
  color: var(--primary);
}

.cart-item-qty .qty-val {
  width: 44px;
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.cart-item-total {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  min-width: 100px;
  text-align: right;
}

.cart-item-remove {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-light);
  transition: var(--transition);
  flex-shrink: 0;
}

.cart-item-remove:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
}

.cart-summary-card {
  position: sticky;
  top: 100px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 28px;
}

.cart-summary-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  font-size: 0.95rem;
}

.summary-row.savings {
  color: var(--success);
  font-weight: 500;
}

.summary-row.total {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  border-top: 2px solid var(--border);
  margin-top: 12px;
  padding-top: 16px;
}

.cart-summary-card .btn {
  margin-top: 20px;
}

/* ---------- 17. Checkout ---------- */
.checkout-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  padding: 40px 0 80px;
}

.checkout-form-card {
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 32px;
}

.checkout-form-card h2 {
  font-size: 1.3rem;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group label .required {
  color: var(--error);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
  background: var(--bg);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group .error-text {
  font-size: 0.78rem;
  color: var(--error);
  margin-top: 4px;
  display: none;
}

.form-group.has-error input,
.form-group.has-error textarea {
  border-color: var(--error);
}

.form-group.has-error .error-text {
  display: block;
}

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

/* ---------- 18. Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding: 40px 0 80px;
}

.contact-form-card {
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 36px;
}

.contact-form-card h2 {
  font-size: 1.3rem;
  margin-bottom: 6px;
}

.contact-form-card > p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 28px;
}

.contact-info-wrapper {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  display: flex;
  gap: 18px;
  padding: 24px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.contact-card .contact-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-card a {
  color: var(--primary);
  font-weight: 500;
}

.contact-card a:hover {
  color: var(--primary-dark);
}

/* ---------- 19. About ---------- */
.about-hero {
  background: linear-gradient(135deg, #0F2027 0%, #1E3A5F 50%, #0E7490 100%);
  padding: 120px 0 60px;
  text-align: center;
  color: #fff;
}

.about-hero h1 {
  font-size: 2.5rem;
  color: #fff;
  margin-bottom: 12px;
}

.about-hero p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.about-story {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-story p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.timeline {
  position: relative;
  padding: 40px 0;
  max-width: 700px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 100%;
  background: var(--border);
  border-radius: 2px;
}

.timeline-item {
  display: flex;
  align-items: center;
  margin-bottom: 40px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
  text-align: right;
}

.timeline-item .timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 3px var(--primary);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.timeline-item .timeline-content {
  width: 45%;
  padding: 20px 24px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.timeline-item .timeline-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.timeline-item .timeline-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 28px;
}

.value-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

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

.value-card .value-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 1.5rem;
  color: var(--primary);
  transition: var(--transition);
}

.value-card:hover .value-icon {
  background: var(--primary);
  color: #fff;
}

.value-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.value-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- 20. Toast ---------- */
#toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  background: var(--text);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  animation: slideInRight 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 380px;
}

.toast.toast-success {
  background: var(--success);
}

.toast.toast-error {
  background: var(--error);
}

.toast.toast-info {
  background: var(--primary);
}

.toast.removing {
  animation: slideOutRight 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.toast i {
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ---------- 21. Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(5deg);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 0 0 12px rgba(37, 211, 102, 0);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* ---------- 22. Responsive ---------- */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.8rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .shop-layout {
    grid-template-columns: 240px 1fr;
  }

  .product-detail {
    gap: 32px;
  }

  .cart-layout {
    grid-template-columns: 1.5fr 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .checkout-layout {
    grid-template-columns: 1.2fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-search {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 80px 0 60px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section {
    padding: 50px 0;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-item .stat-number {
    font-size: 2rem;
  }

  .shop-layout {
    grid-template-columns: 1fr;
  }

  .filters-sidebar {
    position: static;
  }

  .product-detail {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .product-info .product-name {
    font-size: 1.5rem;
  }

  .cart-layout {
    grid-template-columns: 1fr;
  }

  .cart-summary-card {
    position: static;
  }

  .cart-item {
    flex-wrap: wrap;
    gap: 12px;
  }

  .cart-item-total {
    min-width: auto;
    text-align: left;
  }

  .checkout-layout {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .category-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: row;
    text-align: left;
    padding-left: 50px;
  }

  .timeline-item .timeline-dot {
    left: 20px;
  }

  .timeline-item .timeline-content {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .nav-container {
    padding: 0 16px;
    height: 64px;
  }

  .nav-logo {
    font-size: 1.1rem;
  }

  .hero {
    padding: 60px 0 50px;
  }

  .hero-title {
    font-size: 1.65rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 280px;
  }

  .section {
    padding: 40px 0;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-card-actions {
    flex-direction: column;
  }

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

  .stat-item .stat-number {
    font-size: 1.6rem;
  }

  .product-info .product-price-block .price {
    font-size: 1.6rem;
  }

  .product-actions {
    flex-direction: column;
  }

  .product-actions .btn {
    width: 100%;
  }

  .brands-strip {
    gap: 20px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  #toast-container {
    bottom: 16px;
    right: 16px;
    left: 16px;
  }

  .toast {
    max-width: 100%;
  }
}

/* ---------- 23. Utilities ---------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--primary); }
.text-secondary-color { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-white { color: #fff; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.pt-1 { padding-top: 8px; }
.pt-2 { padding-top: 16px; }
.pb-1 { padding-bottom: 8px; }
.pb-2 { padding-bottom: 16px; }

.hidden { display: none !important; }

/* Display utility helper classes */
@media (min-width: 769px) {
  .mobile-only {
    display: none !important;
  }
}
@media (max-width: 768px) {
  .desktop-only {
    display: none !important;
  }
}

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

.grid { display: grid; }
.w-full { width: 100%; }

/* ---------- 24. Custom Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--surface);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-light);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border) var(--surface);
}

/* ---------- 25. Selection ---------- */
::selection {
  background: var(--primary);
  color: #fff;
}

::-moz-selection {
  background: var(--primary);
  color: #fff;
}

/* ---------- 26. Empty States ---------- */
.empty-state {
  text-align: center;
  padding: 60px 24px;
}

.empty-state .empty-icon {
  font-size: 4rem;
  color: var(--border);
  margin-bottom: 20px;
}

.empty-state h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 24px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- 27. Loading Skeleton ---------- */
.skeleton {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface) 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 16px;
  margin-bottom: 8px;
  border-radius: 4px;
}

.skeleton-title {
  height: 24px;
  width: 60%;
  margin-bottom: 12px;
}

.skeleton-image {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
}

/* ---------- 28. Glassmorphism ---------- */
.glass {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
}

/* ---------- 29. CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary) 100%);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
}

.cta-banner h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.cta-banner .btn {
  position: relative;
  z-index: 1;
}

/* ---------- 30. WhatsApp Float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  cursor: pointer;
  z-index: 999;
  transition: var(--transition);
  animation: pulse 2s infinite;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.55);
  color: #fff;
}

/* Offset toast container when whatsapp button is present */
body .whatsapp-float ~ #toast-container,
body #toast-container {
  bottom: 100px;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-light);
  padding: 16px 0;
}

.breadcrumb a {
  color: var(--text-secondary);
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb .separator {
  color: var(--border);
}

/* ---------- Page header for inner pages ---------- */
.page-header {
  background: linear-gradient(135deg, #0F2027 0%, #1E3A5F 50%, #0E7490 100%);
  padding: 120px 0 50px;
  text-align: center;
  color: #fff;
}

.page-header h1 {
  font-size: 2.5rem;
  color: #fff;
  margin-bottom: 10px;
}

.page-header p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.05rem;
}

/* ---------- Misc ---------- */
.divider {
  height: 1px;
  background: var(--border);
  margin: 32px 0;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 50px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
}

.search-highlight {
  background: rgba(8, 145, 178, 0.15);
  padding: 2px 4px;
  border-radius: 3px;
}

/* Ensure body has padding for fixed navbar */
body {
  padding-top: 72px;
}

/* No products state for shop */
.no-products {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
}

.no-products i {
  font-size: 3rem;
  color: var(--border);
  margin-bottom: 16px;
}

.no-products h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.no-products p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* ---------- Shop Page Header (Split Layout) ---------- */
.shop-header {
  padding: 0;
  background: linear-gradient(135deg, #0F2027 0%, #1E3A5F 50%, #0E7490 100%);
  overflow: hidden;
}

.shop-header-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  min-height: 260px;
  gap: 0;
}

.shop-header-left {
  padding: 50px 40px 50px 0;
  color: #fff;
}

.shop-header-left .breadcrumb {
  color: rgba(255,255,255,0.6);
  padding: 0 0 16px 0;
}

.shop-header-left .breadcrumb a {
  color: rgba(255,255,255,0.7);
}

.shop-header-left .breadcrumb a:hover {
  color: #fff;
}

.shop-header-left .page-title {
  font-size: 2.4rem;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.2;
}

.shop-header-left .page-subtitle {
  color: rgba(255,255,255,0.75);
  font-size: 0.98rem;
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 480px;
}

.shop-header-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.header-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: var(--transition);
}

.header-badge:hover {
  background: rgba(255,255,255,0.2);
}

.header-badge i {
  color: var(--primary-light);
  font-size: 0.75rem;
}

.shop-header-right {
  position: relative;
  align-self: stretch;
  overflow: hidden;
}

.header-image-wrapper {
  width: 100%;
  height: 100%;
  min-height: 260px;
  position: relative;
}

.header-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: brightness(0.85);
}

.image-overlay-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #1E3A5F 0%, transparent 35%);
  z-index: 1;
}

@media (max-width: 768px) {
  .shop-header-container {
    grid-template-columns: 1fr;
  }
  .shop-header-left {
    padding: 40px 0 24px;
  }
  .shop-header-right {
    display: none;
  }
  .shop-header-left .page-title {
    font-size: 1.7rem;
  }
}


/* ---------- Form Field Validation Styles ---------- */

/* Wrapper that surrounds input + feedback message */
.field-wrapper {
  position: relative;
}

/* Input states */
input.field-valid,
textarea.field-valid {
  border-color: var(--success) !important;
  background: rgba(16, 185, 129, 0.04) !important;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12) !important;
}

input.field-invalid,
textarea.field-invalid {
  border-color: var(--error) !important;
  background: rgba(239, 68, 68, 0.04) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12) !important;
}

input.field-neutral,
textarea.field-neutral {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(14, 116, 144, 0.1) !important;
}

/* Feedback message row */
.field-feedback {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  font-weight: 500;
  margin-top: 5px;
  min-height: 18px;
  padding: 0 2px;
  transition: all 0.25s ease;
  animation: fadeInUp 0.2s ease;
}

.field-feedback i {
  font-size: 0.72rem;
  flex-shrink: 0;
}

.feedback-valid {
  color: var(--success);
}

.feedback-invalid {
  color: var(--error);
}

.feedback-neutral {
  color: var(--primary);
}

/* Email DNS checking state — spinning indicator */
.feedback-checking {
  color: #6366F1;
}

input.field-checking {
  border-color: #6366F1 !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12) !important;
}

.field-wrapper.checking::after {
  content: none;
}

@keyframes spin {
  to { transform: translateY(-50%) rotate(360deg); }
}


/* Smooth icon transitions on input */
.form-group input,
.form-group textarea {
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease !important;
}

/* Right-side icon indicator inside input */
.field-wrapper input[type="tel"],
.field-wrapper input[type="email"] {
  padding-right: 38px;
}

.field-wrapper::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.8rem;
  pointer-events: none;
  transition: all 0.25s ease;
  line-height: 1;
  margin-top: -9px; /* Approximate offset for feedback message */
}

.field-wrapper.valid::after {
  content: '\f00c'; /* fa-check */
  color: var(--success);
}

.field-wrapper.invalid::after {
  content: '\f00d'; /* fa-times */
  color: var(--error);
}

@media (max-width: 480px) {
  .shop-header-badges {
    gap: 8px;
  }
  .header-badge {
    font-size: 0.73rem;
    padding: 5px 10px;
  }
}

/* ============================================================
   Mobile Filter Drawer
   ============================================================ */

/* Toggle bar — only visible on mobile */
.mobile-filter-bar { display: none; }

/* Desktop sidebar elements shown normally */
.desktop-only-header { display: flex; }
.mobile-filter-panel-header { display: none; }
.mobile-clear-btn { display: none; }
.mobile-apply-btn { display: none; }
.sort-select-mobile { display: none; }

/* ---- Mobile breakpoint ---- */
@media (max-width: 768px) {

  /* Show the toggle bar */
  .mobile-filter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
  }

  /* Filters toggle button */
  .mobile-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
  }

  .mobile-filter-btn:hover,
  .mobile-filter-btn[aria-expanded="true"] {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
  }

  .mobile-filter-btn i.fa-sliders-h { color: var(--primary); }

  /* Active filter count badge */
  .mobile-filter-count {
    background: var(--primary);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
  }

  /* Chevron rotates when drawer opens */
  .mobile-filter-chevron {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
    margin-left: 4px;
  }
  .mobile-filter-btn[aria-expanded="true"] .mobile-filter-chevron {
    transform: rotate(180deg);
  }

  /* Mobile sort dropdown — fills remaining space */
  .sort-select-mobile {
    display: block;
    flex: 1;
    padding: 10px 12px;
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    color: var(--text);
    cursor: pointer;
    appearance: auto;
  }

  /* Hide desktop sort on mobile */
  .desktop-sort { display: none !important; }

  /* Sidebar becomes a slide-up bottom drawer */
  .filters-sidebar {
    position: fixed !important;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto !important;
    width: 100% !important;
    max-height: 85vh;
    background: var(--bg);
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -8px 40px rgba(0,0,0,0.18);
    z-index: 1200;
    overflow-y: auto;
    padding: 0 20px 28px;
    transform: translateY(110%);
    transition: transform 0.38s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .filters-sidebar.filters-open {
    transform: translateY(0);
  }

  /* Drag handle pill at top of drawer */
  .filters-sidebar::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin: 12px auto 0;
  }

  /* Sticky header inside the drawer */
  .mobile-filter-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0 12px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 2;
  }

  .mobile-filter-panel-header i {
    color: var(--primary);
    margin-right: 8px;
  }

  .mobile-filter-close-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--surface);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-secondary);
    transition: var(--transition);
  }

  .mobile-filter-close-btn:hover {
    background: rgba(239,68,68,0.1);
    color: var(--error);
  }

  /* Hide desktop Filters header, show mobile header */
  .desktop-only-header { display: none !important; }

  /* Mobile-only clear link */
  .mobile-clear-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    margin-bottom: 16px;
    font-weight: 500;
    transition: var(--transition);
  }
  .mobile-clear-btn:hover { color: var(--error); }
  .mobile-clear-btn i { font-size: 0.75rem; }

  /* Mobile Apply button at the bottom of the drawer */
  .mobile-apply-btn {
    display: flex !important;
    margin-top: 20px;
    width: 100%;
    justify-content: center;
  }

  /* Semi-transparent backdrop behind drawer */
  .filter-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: 1199;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  .filter-backdrop.backdrop-visible {
    display: block;
    opacity: 1;
  }

  /* Filters inside drawer — slightly bigger touch targets */
  .filters-sidebar .filter-group label {
    font-size: 0.85rem;
  }
  .filters-sidebar .filter-group select,
  .filters-sidebar .filter-group input {
    padding: 12px 14px;
    font-size: 0.95rem;
  }

  /* Force full-width shop layout (sidebar is now out of flow) */
  .shop-layout {
    grid-template-columns: 1fr !important;
  }
}

/* ============================================================
   PDD Redesign Additions: Shimmers, Forms & Cart Layout Enhancements
   ============================================================ */

/* Cart page premium design improvements */
.cart-items-section {
  background: #ffffff;
  border-radius: 20px;
  border: 1.5px solid #e2e8f0;
  padding: 24px;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
}

.cart-item {
  display: grid;
  grid-template-columns: 100px 2fr 1.2fr 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid #f1f5f9;
}

.cart-item:last-child {
  border-bottom: none;
}

@media (max-width: 768px) {
  .cart-item {
    grid-template-columns: 80px 1fr auto;
    gap: 16px;
  }
  .cart-item-price.desktop-only {
    display: none;
  }
  .cart-item-qty {
    grid-column: 2 / -1;
  }
}

.cart-item-image {
  width: 100px;
  height: 100px;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .cart-item-image {
    width: 80px;
    height: 80px;
  }
}

.cart-item-brand {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.5px;
}

.cart-item-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}

.cart-item-title a:hover {
  color: var(--primary);
}

.cart-item-remove {
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-item-remove:hover {
  background: #fee2e2;
  color: var(--error);
}

/* Quantity stepper wrapper */
.quantity-wrapper {
  display: inline-flex;
  align-items: center;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  background: #f8fafc;
  overflow: hidden;
  height: 38px;
}

.quantity-wrapper .qty-btn {
  width: 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: transparent;
  border: none;
  color: var(--text-secondary);
}

.quantity-wrapper .qty-btn:hover {
  background: #e2e8f0;
}

.quantity-wrapper .qty-input {
  width: 40px;
  text-align: center;
  font-weight: 700;
  font-size: 0.88rem;
  border: none;
  background: transparent;
  color: var(--text);
}

/* Checkout inputs & styling */
.checkout-form-section {
  background: #ffffff;
  border-radius: 20px;
  border: 1.5px solid #e2e8f0;
  padding: 30px;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
}

.checkout-form-section h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.checkout-form-section h3 i {
  color: var(--primary);
}

.form-group label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  display: block;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #e2e8f0;
  border-radius: 12px;
  background: #f8fafc;
  color: var(--text);
  font-size: 0.95rem;
  transition: all 0.25s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
  outline: none;
}

/* Free-text city/pincode input with icon */
.checkout-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.checkout-text-input {
  width: 100%;
  padding: 12px 42px 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}
.checkout-text-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}
.checkout-text-input.input-valid {
  border-color: #22c55e;
}
.checkout-text-input.input-error {
  border-color: #ef4444;
}
.checkout-input-icon {
  position: absolute;
  right: 14px;
  color: var(--text-muted);
  font-size: 0.85rem;
  pointer-events: none;
  transition: color 0.2s;
}
.checkout-input-wrap:focus-within .checkout-input-icon {
  color: var(--primary);
}

/* Delivery Status Banner on Checkout Page */
.delivery-status-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 12px;
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
  animation: slideDown 0.3s ease-out forwards;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.delivery-status-banner.success {
  background: rgba(34, 197, 94, 0.08);
  border: 1.5px solid rgba(34, 197, 94, 0.25);
  color: #16a34a;
}
.delivery-status-banner.success .delivery-status-icon {
  font-size: 1.1rem;
}

.delivery-status-banner.error {
  background: rgba(239, 68, 68, 0.08);
  border: 1.5px solid rgba(239, 68, 68, 0.25);
  color: #dc2626;
}
.delivery-status-banner.error .delivery-status-icon {
  font-size: 1.1rem;
}

.delivery-status-banner.checking {
  background: rgba(59, 130, 246, 0.08);
  border: 1.5px solid rgba(59, 130, 246, 0.25);
  color: #2563eb;
}

.delivery-status-banner.info {
  background: rgba(245, 158, 11, 0.08);
  border: 1.5px solid rgba(245, 158, 11, 0.25);
  color: #d97706;
}

.flex-1 {
  flex: 1;
}

/* Ensure form rows wrap cleanly on mobile */
@media (max-width: 576px) {
  .form-row {
    flex-direction: column;
    gap: 16px;
  }
}

/* ==========================================================================
   MOBILE UX AUDIT & OPTIMIZATIONS (Hamburger, Backdrop, Safe Areas, Touch Targets)
   ========================================================================== */

/* 1. Safe-area & Viewport Support */
:root {
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

body {
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bottom);
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
}

/* 2. Prevent Horizontal Scrolling / Overflow */
html, body {
  overflow-x: hidden;
  max-width: 100%;
}

/* 3. Mobile Navigation Hamburger & Slide-in Drawer */
.mobile-menu-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -320px; /* Hidden offscreen by default */
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  background: #0b0f19; /* Matched to dark premium look */
  color: #fff;
  z-index: 1050;
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
  transition: right 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.25);
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0 !important;
}

/* Hamburger animations */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1100;
}

.hamburger span {
  width: 100%;
  height: 2px;
  background-color: var(--text-color, #0f172a);
  transition: all 0.25s ease;
  transform-origin: left center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(-2px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  width: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(2px) rotate(-45deg);
}

/* Ensure hamburger shows and desktop menu hides on mobile */
@media (max-width: 768px) {
  .hamburger {
    display: flex !important;
  }
  .desktop-only {
    display: none !important;
  }
  .mobile-only {
    display: block !important;
  }
  
  /* Navbar adjustments */
  .navbar {
    padding: 12px 0;
  }
  .nav-container {
    padding: 0 16px;
  }
  .logo-text {
    font-size: 1.1rem;
  }
  
  /* Drawer icons style */
  .mobile-nav-links li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    color: rgba(255,255,255,0.75);
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
  }
  .mobile-nav-links li a i {
    width: 20px;
    font-size: 1.1rem;
    color: var(--primary-light, #5eead4);
  }
  .mobile-nav-links li a.active {
    background: rgba(94, 234, 212, 0.08);
    color: var(--primary-light, #5eead4);
    font-weight: 600;
  }
}

/* 4. Touch Targets & Spacing Optimizations */
button, 
a.btn, 
.qty-btn,
.nav-cart,
.close-menu,
.mobile-categories-toggle {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Expand touch target for inline links/icons without changing size */
.qty-btn, 
.ppc-wish-btn, 
.close-menu {
  position: relative;
}

.qty-btn::after, 
.ppc-wish-btn::after {
  content: '';
  position: absolute;
  top: -10px;
  bottom: -10px;
  left: -10px;
  right: -10px;
}

/* 5. Readability & Spacing */
@media (max-width: 480px) {
  h1 { font-size: 1.7rem !important; }
  h2 { font-size: 1.35rem !important; }
  p { font-size: 0.88rem !important; }
  
  .container {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
}

/* 6. Responsive 2-Column Product Grid */
@media (max-width: 576px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }
  .ppc {
    padding: 12px !important;
    border-radius: 14px !important;
  }
  .ppc-name {
    font-size: 0.85rem !important;
    height: 38px !important; /* Limit title wrap height */
    overflow: hidden;
    margin-bottom: 6px !important;
  }
  .ppc-brand {
    font-size: 0.7rem !important;
  }
  .ppc-price-row {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 2px !important;
  }
  .ppc-save {
    margin-left: 0 !important;
    font-size: 0.7rem !important;
  }
  .ppc-actions {
    margin-top: 8px !important;
  }
  .ppc-actions .btn {
    padding: 8px 10px !important;
    font-size: 0.8rem !important;
  }
}

/* 7. Product Detail Page Trust Badge Responsiveness */
@media (max-width: 576px) {
  .product-trust-badges {
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: 20px 12px !important;
    padding: 12px 6px !important;
  }
  .trust-badge-item {
    flex: 1 1 120px !important;
  }
}

/* 8. Mobile Cart Layout Optimizations */
@media (max-width: 400px) {
  .cart-item {
    grid-template-columns: 64px 1fr !important;
    gap: 12px !important;
    padding: 16px 0 !important;
  }
  .cart-item-image {
    width: 64px !important;
    height: 64px !important;
  }
  .cart-item-remove {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    align-self: start;
    padding: 4px !important;
  }
  .cart-item-qty {
    grid-column: 1 / -1 !important;
    margin-top: 8px !important;
    width: 100% !important;
  }
}

/* 9. Centered Footer on Mobile */
@media (max-width: 576px) {
  .footer-col {
    text-align: center !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
  }
  .footer-col h3::after {
    left: 50% !important;
    transform: translateX(-50%) !important;
  }
  .footer-logo {
    justify-content: center !important;
    width: 100% !important;
  }
  .footer-links {
    padding: 0 !important;
    width: 100% !important;
    text-align: center !important;
  }
  .footer-links li {
    text-align: center !important;
  }
  .footer-links li a:hover {
    padding-left: 0 !important; /* Prevent sliding on hover when centered */
  }
  .footer-social {
    justify-content: center !important;
    margin-top: 8px !important;
  }
  .footer-contact-info {
    padding: 0 !important;
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
  }
  .footer-contact-item {
    flex-direction: column !important; /* Stack icon on top, text below */
    align-items: center !important;
    text-align: center !important;
    gap: 6px !important;
    margin-bottom: 20px !important;
    width: 100% !important;
  }
  .footer-contact-item i {
    margin: 0 !important;
    font-size: 1.1rem !important;
  }
  .footer-contact-item span,
  .footer-contact-item a {
    text-align: center !important;
  }
}


/* ==========================================================================
   PDD PREMIUM CHECKOUT REDESIGN STYLES
   ========================================================================== */

/* 1. Layout & Grid */
.checkout-header-section {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.checkout-breadcrumb {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.checkout-breadcrumb a {
  text-decoration: none;
  color: var(--text-secondary);
  transition: var(--transition);
}
.checkout-breadcrumb a:hover {
  color: var(--primary);
}
.checkout-breadcrumb .active {
  color: var(--text);
  font-weight: 500;
}

.checkout-progress-steps {
  display: flex;
  align-items: center;
  gap: 12px;
}
.checkout-progress-steps .step {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.checkout-progress-steps .step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  transition: var(--transition);
}
.checkout-progress-steps .step.active {
  color: var(--primary);
}
.checkout-progress-steps .step.active .step-num {
  border-color: var(--primary);
  background: var(--primary);
  color: #ffffff;
}
.checkout-progress-steps .step.done {
  color: var(--success);
}
.checkout-progress-steps .step.done .step-num {
  border-color: var(--success);
  background: var(--success-bg);
  color: var(--success);
}
.checkout-progress-steps .step-line {
  width: 40px;
  height: 2px;
  background: var(--border);
}
.checkout-progress-steps .step-line.active {
  background: var(--primary);
}

.checkout-grid-layout {
  display: grid;
  grid-template-columns: 1.7fr 1.3fr;
  gap: 32px;
  align-items: start;
}

/* 2. Cards & Structure */
.checkout-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
  transition: var(--transition);
}
.checkout-card:hover {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
}
.checkout-card .card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.checkout-card .card-header h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0;
  font-family: 'Montserrat', sans-serif;
}
.checkout-card .card-body {
  padding: 24px;
}
.step-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-bg);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
}

/* 3. Floating Label Inputs & Forms */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 20px;
}
.form-grid .span-2 {
  grid-column: span 2;
}

.field-wrapper {
  display: flex;
  flex-direction: column;
}
.field-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text);
  font-family: inherit;
  transition: all 0.2s ease;
  outline: none;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
  background: #ffffff;
}
textarea.form-control {
  height: auto;
  padding: 12px 16px;
  resize: vertical;
}

.input-icon-wrapper {
  position: relative;
  width: 100%;
}
.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 1rem;
  pointer-events: none;
  transition: var(--transition);
}
.icon-padding {
  padding-left: 40px !important;
}
.form-control:focus + .input-icon {
  color: var(--primary);
}

/* Validation States */
.field-feedback {
  font-size: 0.75rem;
  margin-top: 4px;
  min-height: 16px;
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
}
.field-feedback.feedback-invalid {
  color: #ef4444;
}
.field-feedback.feedback-valid {
  color: #10b981;
}
.field-feedback.feedback-checking {
  color: var(--primary);
}
.form-control.field-invalid {
  border-color: #ef4444 !important;
  background-color: #fff8f8;
}
.form-control.field-invalid:focus {
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1) !important;
}
.form-control.field-valid {
  border-color: #10b981 !important;
  background-color: #f6fdf9;
}
.form-control.field-valid:focus {
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1) !important;
}

/* 4. Address Book Grid & Cards */
.address-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.address-card {
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  position: relative;
  cursor: pointer;
  background: var(--surface);
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.address-card:hover {
  border-color: var(--text-secondary);
}
.address-card.active {
  border-color: var(--primary);
  background: var(--primary-bg);
}
.address-card .badge {
  position: absolute;
  top: 12px;
  right: 12px;
}
.address-card-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}
.address-card-info p {
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.address-card-actions {
  display: flex;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 8px;
  margin-top: auto;
}
.address-card.active .address-card-actions {
  border-top-color: rgba(37, 99, 235, 0.15);
}
.addr-btn {
  background: none;
  border: none;
  padding: 4px 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}
.addr-btn:hover {
  color: var(--primary);
}
.addr-btn.delete-btn:hover {
  color: #ef4444;
}

/* 5. Shipping & Progress */
.free-shipping-progress-container {
  background: var(--primary-bg);
  border-radius: 8px;
  padding: 12px 16px;
  border: 1px solid rgba(37, 99, 235, 0.1);
}
.progress-bar-bg {
  height: 6px;
  background: rgba(37, 99, 235, 0.15);
  border-radius: 3px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  width: 0%;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 3px;
}

.shipping-options-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.shipping-option-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border: 2px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  background: var(--surface);
  transition: all 0.2s ease;
}
.shipping-option-card input[type="radio"] {
  margin-top: 3px;
  accent-color: var(--primary);
}
.shipping-option-card:hover {
  border-color: var(--text-secondary);
}
.shipping-option-card.active {
  border-color: var(--primary);
  background: var(--primary-bg);
}
.shipping-option-details {
  flex: 1;
}

/* 6. Payment Cards */
.payment-methods-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.payment-method-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  border: 2px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  background: var(--surface);
  position: relative;
  transition: all 0.2s ease;
}
.payment-method-row input[type="radio"] {
  position: absolute;
  opacity: 0;
}
.payment-method-row .radio-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border);
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
}
.payment-method-row.active .radio-dot {
  border-color: var(--primary);
}
.payment-method-row.active .radio-dot::after {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
}
.payment-method-row:hover {
  border-color: var(--text-secondary);
}
.payment-method-row.active {
  border-color: var(--primary);
  background: var(--primary-bg);
}
.payment-row-details {
  flex: 1;
}
.payment-icons {
  display: flex;
  gap: 8px;
  font-size: 1.25rem;
  color: var(--text-secondary);
  align-self: center;
}
.payment-method-row.active .payment-icons {
  color: var(--primary);
}

/* 7. Sticky Sidebar Summary */
.checkout-sidebar-summary {
  position: relative;
}
.sticky-summary-card {
  position: sticky;
  top: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}
.sticky-summary-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  font-family: 'Montserrat', sans-serif;
}

.summary-items-list {
  max-height: 240px;
  overflow-y: auto;
  padding-right: 4px;
}
.summary-item-row {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 8px 0;
}
.summary-item-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #ffffff;
  flex-shrink: 0;
}
.summary-item-details {
  flex: 1;
  min-width: 0;
}
.summary-item-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.summary-item-variant {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 1px;
}
.summary-item-qty {
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.summary-item-price {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  text-align: right;
  flex-shrink: 0;
}

.summary-divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

/* Coupon Input */
.coupon-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 6px;
}
.coupon-input-group {
  display: flex;
  gap: 8px;
}
.coupon-input-group input {
  flex: 1;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  text-transform: uppercase;
  outline: none;
  background: var(--surface);
  transition: var(--transition);
}
.coupon-input-group input:focus {
  border-color: var(--primary);
}
.coupon-input-group .btn {
  height: 38px;
  padding: 0 16px;
  font-size: 0.8rem;
}
.coupon-status-msg {
  font-size: 0.75rem;
  margin-top: 4px;
  font-weight: 600;
  min-height: 16px;
}

/* Price Details */
.price-details-table {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.price-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.price-row.savings-highlight {
  background: var(--success-bg);
  color: var(--success);
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 6px;
}
.price-row.total-row {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
}

.est-delivery-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-bg);
  color: var(--primary);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
}

.checkout-trust-badges {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.checkout-trust-badges .badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.checkout-trust-badges .badge-item i {
  color: var(--primary);
}

/* 8. Modals (Address Book Management) */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(9, 15, 25, 0.6);
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.address-modal-card {
  background: var(--surface);
  border-radius: 14px;
  width: 100%;
  max-width: 540px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  animation: modalSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.address-modal-card .modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.address-modal-card .modal-header h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
}
.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.1rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  transition: var(--transition);
}
.modal-close-btn:hover {
  color: var(--text);
}
.address-modal-card .modal-body {
  padding: 24px;
  max-height: 80vh;
  overflow-y: auto;
}

/* Checkbox Styling */
.checkbox-container {
  display: flex;
  align-items: center;
  position: relative;
  padding-left: 26px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  user-select: none;
}
.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}
.checkmark {
  position: absolute;
  left: 0;
  height: 18px;
  width: 18px;
  background-color: var(--surface);
  border: 2px solid var(--border);
  border-radius: 4px;
  transition: var(--transition);
}
.checkbox-container:hover input ~ .checkmark {
  border-color: var(--text-secondary);
}
.checkbox-container input:checked ~ .checkmark {
  background-color: var(--primary);
  border-color: var(--primary);
}
.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}
.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}
.checkbox-container .checkmark:after {
  left: 5px;
  top: 1.5px;
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* 9. Mobile Sticky Bottom Checkout Bar */
.mobile-sticky-checkout-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  z-index: 1000;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
}
.mobile-sticky-checkout-bar .btn {
  flex: 1;
  max-width: 200px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mobile-price-summary {
  display: flex;
  flex-direction: column;
  cursor: pointer;
}
.mobile-total-price {
  font-size: 1.15rem;
  color: var(--text);
}

/* 10. Animations */
@keyframes modalSlideUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* 11. Media Queries */
@media (max-width: 991px) {
  .checkout-grid-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .checkout-sidebar-summary {
    position: static;
  }
  .sticky-summary-card {
    position: static;
    top: 0;
  }
}

@media (max-width: 768px) {
  .checkout-header-section .container {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  .checkout-progress-steps {
    width: 100%;
    justify-content: space-between;
  }
  .checkout-progress-steps .step-line {
    flex: 1;
    width: auto;
  }
  .checkout-card .card-header,
  .checkout-card .card-body {
    padding: 16px;
  }
  .form-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .form-grid .span-2 {
    grid-column: span 1;
  }
  .address-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .checkout-main-content {
    padding-bottom: 80px; /* Space for mobile sticky bottom bar */
  }
}

@media (max-width: 480px) {
  .checkout-progress-steps .step span:not(.step-num) {
    display: none; /* Hide labels on very small screens */
  }
}

/* ==========================================================================
   MOBILE CART & CHECKOUT OPTIMIZATIONS (PREVENT HORIZONTAL OVERFLOW)
   ========================================================================== */

@media (max-width: 576px) {
  /* Cart Page Mobile Optimizations */
  .cart-layout {
    padding: 0 4px !important;
  }
  
  .cart-item {
    display: grid !important;
    grid-template-columns: 80px 1fr !important;
    grid-template-rows: auto auto !important;
    gap: 8px 16px !important;
    padding: 16px 0 !important;
    align-items: start !important;
    position: relative !important;
    border-bottom: 1px solid var(--border-light) !important;
    flex-wrap: nowrap !important;
  }

  .cart-item-image {
    grid-column: 1 !important;
    grid-row: 1 / span 2 !important;
    width: 80px !important;
    height: 80px !important;
    margin: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .cart-item-details, .cart-item-info {
    grid-column: 2 !important;
    grid-row: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 2px !important;
    padding-right: 32px !important; /* Space to prevent overlapping trash icon */
  }

  .cart-item-brand {
    font-size: 0.7rem !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    color: var(--primary) !important;
    margin: 0 !important;
  }

  .cart-item-title {
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    line-height: 1.3 !important;
    margin: 0 !important;
  }

  .cart-item-title a {
    color: var(--text) !important;
  }

  .cart-item-option {
    font-size: 0.7rem !important;
    color: var(--text-secondary, #64748b) !important;
    margin-top: 1px !important;
  }

  .cart-item-price-mobile {
    font-size: 0.9rem !important;
    font-weight: 700 !important;
    color: var(--text) !important;
    margin-top: 4px !important;
    display: block !important;
  }

  .cart-item-qty {
    grid-column: 2 !important;
    grid-row: 2 !important;
    justify-self: start !important;
    margin-top: 2px !important;
    display: block !important;
    width: auto !important;
  }

  .quantity-wrapper-sm {
    height: 28px !important;
    border-radius: 6px !important;
  }
  .quantity-wrapper-sm .qty-btn {
    width: 28px !important;
    height: 28px !important;
  }
  .quantity-wrapper-sm .qty-input {
    width: 32px !important;
    font-size: 0.85rem !important;
  }

  .cart-item-remove {
    position: absolute !important;
    top: 14px !important;
    right: 0 !important;
    background: transparent !important;
    border: none !important;
    color: var(--text-light) !important;
    font-size: 1rem !important;
    cursor: pointer !important;
    padding: 6px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 2 !important;
  }
  
  .cart-item-remove:hover {
    color: var(--error) !important;
  }

  /* Hide redundant desktop total column and desktop price on mobile */
  .cart-item-total,
  .cart-item-price.desktop-only {
    display: none !important;
  }

  /* Checkout Page Mobile Optimizations */
  .checkout-card {
    border-radius: 8px !important;
  }
  
  .checkout-card .card-header,
  .checkout-card .card-body {
    padding: 16px 12px !important;
  }

  .address-card {
    padding: 12px !important;
    min-height: 120px !important;
  }

  .checkout-mobile-bar {
    padding: 10px 14px !important;
    height: 68px !important;
  }
}

/* Universal Page Safety */
body {
  overflow-x: hidden !important;
}