/* =====================================================
   VrindaPata Microgreens - Design System
   "Sacred Greens for Modern Life"
   ===================================================== */

/* ==================== CSS Variables ==================== */
:root {
  /* Brand Colors */
  --color-green-dark: #2D5A27;
  --color-green-primary: #4A7C43;
  --color-green-light: #7CB342;
  --color-green-pale: #E8F5E9;
  --color-gold: #C7A942;
  --color-gold-light: #E8D88C;
  
  /* Neutrals */
  --color-white: #FFFFFF;
  --color-cream: #FDFCF8;
  --color-gray-50: #FAFAFA;
  --color-gray-100: #F5F5F0;
  --color-gray-200: #E8E8E3;
  --color-gray-300: #D4D4CF;
  --color-gray-500: #737373;
  --color-gray-700: #404040;
  --color-gray-900: #1A1A1A;
  
  /* Gradients */
  --gradient-green: linear-gradient(135deg, var(--color-green-dark) 0%, var(--color-green-light) 100%);
  --gradient-gold: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
  --gradient-hero: linear-gradient(180deg, rgba(45, 90, 39, 0.85) 0%, rgba(74, 124, 67, 0.75) 50%, rgba(124, 179, 66, 0.65) 100%);
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(45, 90, 39, 0.08);
  --shadow-md: 0 4px 16px rgba(45, 90, 39, 0.12);
  --shadow-lg: 0 8px 32px rgba(45, 90, 39, 0.16);
  --shadow-xl: 0 16px 48px rgba(45, 90, 39, 0.2);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
  
  /* Container */
  --container-max: 1280px;
  --container-padding: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-gray-700);
  background-color: var(--color-cream);
}

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

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

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

ul, ol {
  list-style: none;
}

/* ==================== Typography ==================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-gray-900);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

.text-sm {
  font-size: 0.875rem;
}

.text-lg {
  font-size: 1.125rem;
}

.text-xl {
  font-size: 1.25rem;
}

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

.text-gold {
  color: var(--color-gold);
}

.text-center {
  text-align: center;
}

/* ==================== Layout ==================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header p {
  margin-top: var(--space-md);
  font-size: 1.125rem;
  color: var(--color-gray-500);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ==================== Buttons ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-green);
  color: var(--color-white);
  box-shadow: var(--shadow-md), 0 0 0 0 rgba(74, 124, 67, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 0 4px rgba(74, 124, 67, 0.2);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-green-primary);
  border: 2px solid var(--color-green-primary);
}

.btn-secondary:hover {
  background: var(--color-green-pale);
  transform: translateY(-2px);
}

.btn-gold {
  background: var(--gradient-gold);
  color: var(--color-gray-900);
  box-shadow: var(--shadow-md);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.125rem;
}

.btn-sm {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
}

/* ==================== Cards ==================== */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

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

/* ==================== Badges ==================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.badge-fresh {
  background: var(--color-green-pale);
  color: var(--color-green-dark);
}

.badge-gold {
  background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
  color: var(--color-gray-900);
}

/* ==================== Navigation ==================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(253, 252, 248, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-logo img {
  height: 48px;
  width: 48px;
  border-radius: var(--radius-full);
}

.nav-logo span {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-green-dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-weight: 500;
  color: var(--color-gray-700);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-green);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cart {
  position: relative;
}

.nav-cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 20px;
  height: 20px;
  background: var(--color-green-primary);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-gray-700);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

/* ==================== Hero Section ==================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.hero-content {
  text-align: center;
  color: var(--color-white);
  padding: var(--space-2xl);
  max-width: 800px;
}

.hero-logo {
  width: 140px;
  height: 140px;
  margin: 0 auto var(--space-xl);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xl);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
}

.hero-tagline {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: var(--space-2xl);
  font-style: italic;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-white);
  opacity: 0.8;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ==================== Product Grid ==================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.product-card-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.product-card-badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
}

.product-card-body {
  padding: var(--space-lg);
}

.product-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-xs);
}

.product-card-desc {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin-bottom: var(--space-md);
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-card-price {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-green-dark);
}

.product-card-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-gray-500);
}

/* ==================== Trust Section ==================== */
.trust-section {
  background: var(--color-green-pale);
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.trust-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  min-width: 180px;
}

.trust-badge-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-green);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.5rem;
}

.trust-badge-text {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-gray-900);
  text-align: center;
}

/* ==================== Gallery ==================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item.large {
  grid-column: span 2;
  grid-row: span 2;
  aspect-ratio: auto;
}

/* ==================== Testimonials ==================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.testimonial-stars {
  color: var(--color-gold);
  margin-bottom: var(--space-md);
  font-size: 1.25rem;
  letter-spacing: 2px;
}

.testimonial-text {
  font-style: italic;
  color: var(--color-gray-700);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-green);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 600;
}

.testimonial-name {
  font-weight: 600;
  color: var(--color-gray-900);
}

.testimonial-location {
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

/* ==================== Footer ==================== */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand p {
  margin-top: var(--space-md);
  line-height: 1.7;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a:hover {
  color: var(--color-green-light);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-gray-700);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: all var(--transition-normal);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-gray-700);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.footer-bottom a:hover {
  color: var(--color-green-light);
}

/* ==================== Product Detail Page ==================== */
.pdp-section {
  padding: calc(72px + var(--space-3xl)) 0 var(--space-4xl);
}

.pdp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.pdp-gallery {
  position: sticky;
  top: calc(72px + var(--space-xl));
}

.pdp-main-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-lg);
}

.pdp-main-image img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.pdp-thumbnails {
  display: flex;
  gap: var(--space-sm);
}

/* ==================== Contact Section ==================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.contact-info {
  background: var(--color-green-pale);
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  height: 100%;
}

.contact-icon-box {
  width: 48px;
  height: 48px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-green-primary);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.contact-method-card {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-normal);
}

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

.contact-method-icon {
  width: 64px;
  height: 64px;
  background: var(--color-green-pale);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-green-dark);
  font-size: 1.5rem;
}

.contact-method-text {
  display: flex;
  flex-direction: column;
}

.contact-method-text span {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-method-text strong {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-gray-900);
}

.map-container {
  transition: all var(--transition-normal);
}

.map-container:hover {
  box-shadow: var(--shadow-md);
}

/* Responsive Styles for Contact */
@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .contact-info {
    padding: var(--space-xl);
  }
}

.pdp-thumbnail {
  flex: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  opacity: 0.6;
  transition: all var(--transition-normal);
  border: 3px solid transparent;
}

.pdp-thumbnail:hover,
.pdp-thumbnail.active {
  opacity: 1;
  border-color: var(--color-green-primary);
}

.pdp-thumbnail img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.pdp-info {
  padding-top: var(--space-md);
}

.pdp-breadcrumb {
  display: flex;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin-bottom: var(--space-lg);
}

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

.pdp-badge {
  margin-bottom: var(--space-md);
}

.pdp-title {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.pdp-tagline {
  font-size: 1.125rem;
  color: var(--color-gray-500);
  font-style: italic;
  margin-bottom: var(--space-xl);
}

.pdp-price {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-green-dark);
  margin-bottom: var(--space-xl);
}

.pdp-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-gray-500);
  text-decoration: line-through;
  margin-left: var(--space-sm);
}

.pdp-quantity {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.pdp-quantity label {
  font-weight: 500;
}

.quantity-selector {
  display: flex;
  align-items: center;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.quantity-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-gray-700);
  transition: all var(--transition-fast);
}

.quantity-btn:hover {
  background: var(--color-green-pale);
  color: var(--color-green-primary);
}

.quantity-input {
  width: 60px;
  height: 44px;
  border: none;
  text-align: center;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
}

.quantity-input:focus {
  outline: none;
}

.pdp-actions {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.pdp-actions .btn {
  flex: 1;
}

.pdp-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--color-green-pale);
  border-radius: var(--radius-lg);
}

.pdp-feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-green-dark);
}

.pdp-feature-icon {
  width: 32px;
  height: 32px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==================== Content Tabs ==================== */
.content-tabs {
  margin-top: var(--space-4xl);
}

.tabs-nav {
  display: flex;
  border-bottom: 2px solid var(--color-gray-200);
  margin-bottom: var(--space-2xl);
}

.tab-btn {
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-gray-500);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-normal);
}

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

.tab-btn.active {
  color: var(--color-green-primary);
  border-bottom-color: var(--color-green-primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-content h3 {
  margin-bottom: var(--space-lg);
}

.tab-content p {
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.benefit-card {
  background: var(--color-gray-50);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
}

.benefit-card h4 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  color: var(--color-green-dark);
}

.benefit-card p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

.usage-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.usage-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
}

.usage-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-green);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.usage-item h4 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.usage-item p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* ==================== Related Products ==================== */
.related-products {
  margin-top: var(--space-4xl);
  padding-top: var(--space-3xl);
  border-top: 1px solid var(--color-gray-200);
}

/* ==================== Sticky Cart (Mobile) ==================== */
.sticky-cart {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  padding: var(--space-md) var(--container-padding);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
  z-index: 100;
}

.sticky-cart-inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.sticky-cart-price {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-green-dark);
}

.sticky-cart .btn {
  flex: 1;
}

/* ==================== Responsive Design ==================== */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pdp-grid {
    gap: var(--space-2xl);
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-logo {
    width: 100px;
    height: 100px;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .gallery-item.large {
    grid-column: span 2;
    grid-row: span 1;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
  
  .pdp-grid {
    grid-template-columns: 1fr;
  }
  
  .pdp-gallery {
    position: static;
  }
  
  .pdp-title {
    font-size: 1.75rem;
  }
  
  .tabs-nav {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .tab-btn {
    padding: var(--space-sm) var(--space-md);
    white-space: nowrap;
  }
  
  .sticky-cart {
    display: block;
  }
  
  .pdp-actions {
    display: none;
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
  
  .trust-badges {
    flex-direction: column;
    align-items: stretch;
  }
  
  .trust-badge {
    min-width: auto;
  }
  
  .pdp-actions {
    flex-direction: column;
  }
}

/* ==================== Utilities ==================== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.fade-in {
  animation: fadeIn 0.5s ease;
}