/* ============================================================
   EL RODANTE — Animations & Micro-interactions
   ============================================================ */

/* ============================================================
   CHECKOUT STEPS
   ============================================================ */
.checkout-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-10);
  padding: var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}

.checkout-step {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  position: relative;
}

.checkout-step-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  border: 2px solid var(--color-gray-300);
  color: var(--color-gray-400);
  background: white;
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.checkout-step.active .checkout-step-circle {
  background: var(--gradient-primary);
  border-color: var(--color-primary);
  color: white;
  box-shadow: 0 4px 12px rgba(230,57,70,0.3);
}

.checkout-step.completed .checkout-step-circle {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.checkout-step-info { }

.checkout-step-label {
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.checkout-step.active .checkout-step-label,
.checkout-step.completed .checkout-step-label {
  color: var(--color-gray-600);
}

.checkout-step-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-400);
  display: block;
}

.checkout-step.active .checkout-step-name { color: var(--color-primary); }
.checkout-step.completed .checkout-step-name { color: var(--color-success); }

.checkout-step-connector {
  height: 2px;
  width: 80px;
  background: var(--color-gray-200);
  margin: 0 var(--space-4);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.checkout-step-connector::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-success);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}

.checkout-step-connector.filled::after {
  transform: scaleX(1);
}

/* Checkout Layout */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-8);
  align-items: start;
}

.checkout-main-panel {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.checkout-panel-header {
  padding: var(--space-6);
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-200);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.checkout-panel-header h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.checkout-panel-icon {
  width: 40px;
  height: 40px;
  background: rgba(230,57,70,0.1);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.checkout-panel-body {
  padding: var(--space-6);
}

/* Form Grid */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-grid .span-full { grid-column: 1 / -1; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
}

.form-group .input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(230,57,70,0.1);
}

/* Payment methods */
.payment-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin: var(--space-4) 0;
}

.payment-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}

.payment-option:hover {
  border-color: var(--color-primary);
  background: rgba(230,57,70,0.04);
}

.payment-option.selected {
  border-color: var(--color-primary);
  background: rgba(230,57,70,0.06);
}

.payment-option-icon {
  font-size: 2rem;
  line-height: 1;
}

.payment-option-name {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
}

/* Checkout sidebar / order summary */
.checkout-summary {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
}

.checkout-summary-header {
  padding: var(--space-5) var(--space-6);
  background: var(--color-secondary);
  color: white;
}

.checkout-summary-header h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: white;
}

.checkout-summary-body { padding: var(--space-4) var(--space-6); }

.summary-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.summary-item-img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  padding: 4px;
  flex-shrink: 0;
}

.summary-item-details { flex: 1; }
.summary-item-name {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-800);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 2px;
}
.summary-item-qty { font-size: var(--font-size-xs); color: var(--color-gray-500); }
.summary-item-price { font-size: var(--font-size-sm); font-weight: var(--font-weight-bold); color: var(--color-gray-800); flex-shrink: 0; }

.summary-totals { padding: var(--space-4) 0; }
.summary-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}
.summary-line.total {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-black);
  color: var(--color-gray-900);
  padding-top: var(--space-3);
  border-top: 2px solid var(--color-gray-200);
  margin-top: var(--space-2);
}

.summary-line.discount { color: var(--color-success); }

.coupon-form {
  display: flex;
  gap: var(--space-2);
  margin: var(--space-4) 0;
}

.coupon-input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  outline: none;
  transition: border-color var(--transition-fast);
  text-transform: uppercase;
}

.coupon-input:focus { border-color: var(--color-primary); }

/* Security badges in checkout */
.security-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-100);
}

.security-badge {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 10px;
  color: var(--color-gray-500);
  font-weight: var(--font-weight-medium);
}

/* Checkout Step Panels visibility */
.checkout-step-panel {
  display: none;
  animation: fadeIn 0.3s ease;
}

.checkout-step-panel.active { display: block; }

/* Success State */
.checkout-success {
  text-align: center;
  padding: var(--space-12) var(--space-6);
}

.success-icon {
  width: 80px;
  height: 80px;
  background: rgba(45,198,83,0.1);
  color: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto var(--space-6);
  animation: success-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes success-pop {
  from { transform: scale(0) rotate(-20deg); opacity: 0; }
  to   { transform: scale(1) rotate(0); opacity: 1; }
}

/* ============================================================
   PDP - PRODUCT DETAIL PAGE
   ============================================================ */
.pdp-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

/* Gallery */
.pdp-gallery {
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
}

.gallery-main {
  position: relative;
  aspect-ratio: 1;
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-4);
  cursor: zoom-in;
  border: 1px solid var(--color-gray-100);
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-6);
  transition: transform 0.4s ease;
}

.gallery-main:hover img { transform: scale(1.08); }

.gallery-zoom-lens {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.02);
}

.gallery-badge-corner {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.gallery-thumbnails {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  scrollbar-width: thin;
}

.gallery-thumb {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-200);
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: var(--space-2);
}

.gallery-thumb img { width: 100%; height: 100%; object-fit: contain; }

.gallery-thumb:hover { border-color: var(--color-gray-400); }
.gallery-thumb.active { border-color: var(--color-primary); }

/* PDP Info */
.pdp-info {}

.pdp-brand-rating {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.pdp-brand {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.pdp-brand:hover { color: var(--color-secondary); }

.pdp-rating-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pdp-rating-link {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-light);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}

.pdp-title {
  font-size: clamp(var(--font-size-xl), 3vw, var(--font-size-3xl));
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-4);
}

/* Urgency & scarcity badges */
.pdp-urgency-strip {
  background: linear-gradient(135deg, rgba(230,57,70,0.06) 0%, rgba(244,162,97,0.06) 100%);
  border: 1px solid rgba(230,57,70,0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.urgency-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
}

.urgency-item .icon {
  font-size: 1.1rem;
}

.urgency-item.scarcity .icon { color: var(--color-primary); }
.urgency-item.viewers { color: var(--color-secondary); }
.urgency-item.shipping { color: #1a9640; }

.urgency-separator {
  width: 1px;
  height: 20px;
  background: rgba(0,0,0,0.1);
}

/* Price section */
.pdp-price-section {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-gray-100);
  border-bottom: 1px solid var(--color-gray-100);
  margin-bottom: var(--space-5);
}

.pdp-price-main {
  font-size: 2.5rem;
  font-weight: var(--font-weight-black);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.pdp-price-details {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.pdp-price-original {
  font-size: var(--font-size-lg);
  color: var(--color-gray-400);
  text-decoration: line-through;
}

.pdp-savings {
  background: rgba(45,198,83,0.1);
  color: #1a9640;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
}

.pdp-installment {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(29,53,87,0.06);
  color: var(--color-secondary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

/* Variant selectors */
.pdp-variants { margin-bottom: var(--space-5); }

.variants-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.variants-label span {
  font-weight: var(--font-weight-regular);
  color: var(--color-primary);
}

.color-swatches {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.color-swatch {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid transparent;
  outline: 2px solid transparent;
  transition: all var(--transition-fast);
  position: relative;
}

.color-swatch:hover { transform: scale(1.1); }
.color-swatch.active {
  border-color: white;
  outline-color: var(--color-primary);
}

.size-options {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.size-option {
  min-width: 48px;
  padding: var(--space-2) var(--space-3);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  color: var(--color-gray-700);
}

.size-option:hover { border-color: var(--color-primary); color: var(--color-primary); }
.size-option.active { background: var(--color-primary); border-color: var(--color-primary); color: white; }
.size-option.out-of-stock { opacity: 0.35; cursor: not-allowed; text-decoration: line-through; }

/* CTA Section */
.pdp-cta {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

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

.pdp-qty-btn {
  width: 44px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  background: var(--color-gray-50);
  transition: all var(--transition-fast);
  color: var(--color-gray-700);
}

.pdp-qty-btn:hover {
  background: var(--color-primary);
  color: white;
}

.pdp-qty-val {
  width: 48px;
  text-align: center;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  border: none;
  outline: none;
  background: white;
}

.pdp-add-btn {
  flex: 1;
  padding: var(--space-4);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 16px rgba(230,57,70,0.3);
}

.pdp-add-btn:hover {
  box-shadow: 0 6px 24px rgba(230,57,70,0.4);
  transform: translateY(-2px);
}

.pdp-add-btn:active { transform: scale(0.99); }

.pdp-wishlist-btn {
  width: 52px;
  height: 52px;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  transition: all var(--transition-base);
  flex-shrink: 0;
  background: white;
}

.pdp-wishlist-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: scale(1.05);
}

.pdp-wishlist-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  animation: heart-pop 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes heart-pop {
  0%  { transform: scale(1); }
  50% { transform: scale(1.3); }
  100%{ transform: scale(1); }
}

/* PDP Trust badges */
.pdp-trust-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
}

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-gray-700);
}

.trust-badge-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* PDP Description Tabs */
.pdp-tabs {
  border-bottom: 2px solid var(--color-gray-200);
  display: flex;
  gap: 0;
  margin-bottom: var(--space-6);
}

.pdp-tab {
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-500);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.pdp-tab:hover { color: var(--color-gray-800); }
.pdp-tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

.pdp-tab-content { display: none; animation: fadeIn 0.3s ease; }
.pdp-tab-content.active { display: block; }

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table tr:nth-child(even) { background: var(--color-gray-50); }

.specs-table td {
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  border-bottom: 1px solid var(--color-gray-100);
}

.specs-table td:first-child {
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-600);
  width: 40%;
}

.specs-table td:last-child { color: var(--color-gray-800); }

/* Benefits list */
.benefits-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.benefit-list-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.benefit-check {
  width: 22px;
  height: 22px;
  background: rgba(45,198,83,0.1);
  color: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.benefit-list-text strong {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
  margin-bottom: 2px;
}

.benefit-list-text span {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
}

/* ============================================================
   REVIEWS
   ============================================================ */
.reviews-summary {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  padding: var(--space-6);
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
}

.reviews-score {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-width: 120px;
}

.reviews-big-score {
  font-size: 4rem;
  font-weight: var(--font-weight-black);
  color: var(--color-gray-900);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.reviews-count {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}

.reviews-distribution {}

.rating-bar-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
}

.rating-bar-label {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  width: 48px;
  flex-shrink: 0;
  color: var(--color-gray-600);
}

.rating-bar {
  flex: 1;
  height: 8px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.rating-bar-fill {
  height: 100%;
  background: var(--color-warning);
  border-radius: var(--radius-full);
  transition: width 1s ease;
}

.rating-bar-count {
  width: 40px;
  text-align: right;
  color: var(--color-gray-500);
  flex-shrink: 0;
}

/* Review Cards */
.review-card {
  padding: var(--space-5);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-4);
  transition: box-shadow var(--transition-fast);
}

.review-card:hover { box-shadow: var(--shadow-md); }

.review-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  gap: var(--space-4);
}

.reviewer-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.reviewer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.reviewer-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
}

.reviewer-verified {
  font-size: var(--font-size-xs);
  color: var(--color-success);
  display: flex;
  align-items: center;
  gap: 3px;
}

.review-date {
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
}

.review-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
  margin-bottom: var(--space-2);
}

.review-text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

.review-helpful {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

.helpful-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 3px var(--space-3);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.helpful-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ============================================================
   SECTION DIVIDER
   ============================================================ */
.section {
  padding: var(--space-12) 0;
}

.section-bg-white { background: var(--color-white); }
.section-bg-gray { background: var(--color-gray-50); }

/* ============================================================
   MOBILE NAVIGATION DRAWER
   ============================================================ */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 390;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  left: -100%;
  bottom: 0;
  width: 320px;
  background: var(--color-white);
  z-index: 400;
  display: flex;
  flex-direction: column;
  transition: left var(--transition-slow) cubic-bezier(0.25, 0.46, 0.45, 0.94);
  overflow-y: auto;
}

.mobile-nav-drawer.active { left: 0; }

.mobile-nav-header {
  background: var(--color-secondary);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.mobile-nav-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: white;
}

.mobile-nav-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
}

.mobile-nav-close {
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: white;
  font-size: 1rem;
  transition: background var(--transition-fast);
}

.mobile-nav-close:hover { background: rgba(255,255,255,0.2); }

.mobile-nav-body { padding: var(--space-4) 0; }

.mobile-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  cursor: pointer;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.mobile-nav-item:hover {
  background: var(--color-gray-50);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}

.mobile-nav-item .icon { font-size: 1.1rem; width: 24px; text-align: center; }
.mobile-nav-divider { height: 1px; background: var(--color-gray-100); margin: var(--space-2) 0; }

/* ============================================================
   RESPONSIVE for PDP and Checkout
   ============================================================ */
@media (max-width: 992px) {
  .pdp-layout { grid-template-columns: 1fr; gap: var(--space-6); }
  .pdp-gallery { position: static; }
  .checkout-layout { grid-template-columns: 1fr; }
  .checkout-summary { position: static; }
  .checkout-step-connector { width: 40px; }
}

@media (max-width: 768px) {
  .pdp-cta { flex-wrap: wrap; }
  .pdp-add-btn { width: 100%; }
  .pdp-trust-badges { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .payment-options { grid-template-columns: repeat(2, 1fr); }
  .reviews-summary { grid-template-columns: 1fr; }
  .checkout-progress { gap: var(--space-2); }
  .checkout-step-info { display: none; }
  .checkout-step-connector { width: 30px; }
}