/* ==========================================================================
   SALKA — Sistema de Diseño inspirado en Nike (DESIGN.md)
   ========================================================================== */

:root {
  /* Paleta Oficial DESIGN.md */
  --color-primary: #111111;
  --color-on-primary: #ffffff;
  --color-canvas: #ffffff;
  --color-soft-cloud: #f5f5f5;
  --color-ink: #111111;
  --color-charcoal: #39393b;
  --color-ash: #4b4b4d;
  --color-mute: #707072;
  --color-stone: #9e9ea0;
  --color-hairline: #cacacb;
  --color-hairline-soft: #e5e5e5;
  --color-sale: #d30005;
  --color-sale-deep: #780700;
  --color-promo-tag: #d33918;
  --color-success: #007d48;
  --color-success-bright: #1eaa52;
  --color-info: #1151ff;

  /* Tipografía DESIGN.md */
  --font-display: 'Bebas Neue', 'Impact', sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Radios DESIGN.md */
  --radius-none: 0px;
  --radius-xs: 4px;
  --radius-sm: 18px;
  --radius-md: 24px;
  --radius-lg: 30px;
  --radius-full: 9999px;

  /* Espaciado Base 8px DESIGN.md */
  --space-xxs: 2px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 18px;
  --space-xl: 24px;
  --space-xxl: 30px;
  --space-section: 48px;

  /* Curvas físicas Emil Design Eng */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quad: cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background-color: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.tabular-nums {
  font-variant-numeric: tabular-nums;
}

/* Estados de Foco Accesibles WCAG AAA */
:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 2px;
}

/* ==========================================================================
   1. Utility Bar & Navegación Principal (Nike Chrome)
   ========================================================================== */

.utility-bar {
  background-color: var(--color-soft-cloud);
  color: var(--color-ink);
  height: 36px;
  font-size: 12px;
  font-weight: 500;
  display: flex;
  align-items: center;
}

.utility-container {
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 0 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.utility-left {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--color-charcoal);
}

.utility-badge-original {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
  color: var(--color-ink);
}

.utility-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.utility-links a,
.utility-links button {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-ink);
  transition: opacity 120ms ease;
}

.utility-links a:hover,
.utility-links button:hover {
  opacity: 0.65;
}

.utility-divider {
  color: var(--color-ink);
  opacity: 0.4;
}

/* Primary Nav */
.primary-nav {
  background-color: var(--color-canvas);
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: inset 0 -1px 0 var(--color-hairline-soft);
}

.primary-nav-container {
  max-width: 1440px;
  height: 100%;
  margin: 0 auto;
  padding: 0 36px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
}

.brand-logo-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-self: start;
  transition: opacity 120ms ease;
}

.brand-logo-link:hover {
  opacity: 0.75;
}

.brand-logo-img {
  height: 36px;
  width: 36px;
  object-fit: contain;
}

.brand-wordmark {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--color-ink);
  padding-top: 2px;
}

.nav-links-center {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-link-btn {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
  padding: 18px 2px;
  position: relative;
  transition: color 120ms ease;
  white-space: nowrap;
}

.nav-link-btn::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background-color: var(--color-ink);
  transform: scaleX(0);
  transition: transform 160ms var(--ease-out-expo);
}

.nav-link-btn:hover::after,
.nav-link-btn.active::after {
  transform: scaleX(1);
}

.nav-actions-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

/* Search Pill (DESIGN.md specification) */
.search-pill-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: 190px;
  transition: width 200ms var(--ease-out-expo);
}

.search-pill-wrap:focus-within {
  width: 240px;
}

.search-pill-icon {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 18px;
  color: var(--color-ink);
  pointer-events: none;
}

.search-pill-input {
  width: 100%;
  height: 40px;
  background-color: var(--color-soft-cloud);
  color: var(--color-ink);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  padding: 8px 32px 8px 38px;
  font-size: 15px;
  font-weight: 500;
  transition: background-color 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
}

.search-pill-input::placeholder {
  color: var(--color-mute);
  font-weight: 400;
}

.search-pill-input:hover {
  background-color: #ebebeb;
}

.search-pill-input:focus {
  outline: none;
  background-color: var(--color-canvas);
  border-color: var(--color-ink);
  box-shadow: 0 0 0 8px var(--color-soft-cloud);
}

.search-clear-btn {
  position: absolute;
  right: 10px;
  font-size: 13px;
  color: var(--color-mute);
  display: none;
  width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
}

.search-clear-btn.visible {
  display: inline-flex;
}

/* Icon Circular Button */
.btn-icon-circular {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink);
  position: relative;
  transition: background-color 120ms ease, transform 120ms var(--ease-out-expo);
}

.btn-icon-circular:hover {
  background-color: var(--color-soft-cloud);
}

.btn-icon-circular:active {
  transform: scale(0.94);
}

.icon-badge-count {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background-color: var(--color-ink);
  color: var(--color-on-primary);
  font-size: 10px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.mobile-menu-btn {
  display: none;
}

/* Promo Banner Strip (Idéntico a Nike.com.pe) */
.promo-strip {
  background-color: var(--color-soft-cloud);
  box-shadow: inset 0 -1px 0 var(--color-hairline-soft);
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
}

.promo-strip-inner {
  max-width: 720px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.promo-arrow-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-mute);
  transition: color 120ms ease, background-color 120ms ease;
}

.promo-arrow-btn:hover {
  color: var(--color-ink);
  background-color: rgba(0,0,0,0.05);
}

.promo-content {
  text-align: center;
  flex: 1;
}

.promo-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.35;
}

.promo-sublink {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: underline;
  margin-top: 2px;
  display: inline-block;
}

/* ==========================================================================
   2. Editorial Hero Campaign (DESIGN.md campaign-tile)
   ========================================================================== */

.campaign-hero {
  max-width: 1440px;
  width: 100%;
  margin: 0 auto var(--space-section);
  padding: 0 36px;
}

.campaign-tile {
  position: relative;
  background-color: var(--color-ink);
  color: var(--color-on-primary);
  min-height: 440px;
  display: flex;
  align-items: flex-end;
  padding: 48px;
  overflow: hidden;
  border-radius: var(--radius-none);
}

.campaign-bg-visual {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 42%, rgba(255, 255, 255, 0.14) 0%, rgba(17, 17, 17, 0.92) 62%),
    linear-gradient(125deg, #111111 0%, #1d1d1f 55%, #111111 100%);
  z-index: 1;
}

.campaign-watermark-logo {
  position: absolute;
  right: 6%;
  top: 50%;
  transform: translateY(-50%);
  width: 340px;
  height: 340px;
  object-fit: contain;
  filter: invert(1);
  opacity: 0.08;
  z-index: 1;
  pointer-events: none;
}

.campaign-copy {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.campaign-eyebrow {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  color: #e5e5e5;
}

.campaign-headline {
  font-family: var(--font-display);
  font-size: clamp(54px, 7.5vw, 96px);
  font-weight: 500;
  line-height: 0.9;
  text-transform: uppercase;
  letter-spacing: 0;
  color: var(--color-on-primary);
  margin-bottom: 16px;
}

.campaign-description {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: #e5e5e5;
  max-width: 520px;
  margin-bottom: 24px;
}

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

/* ==========================================================================
   3. Botones Nike (DESIGN.md Pill Geometry)
   ========================================================================== */

.btn-primary {
  background-color: var(--color-ink);
  color: var(--color-on-primary);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  border-radius: var(--radius-lg);
  padding: 12px 28px;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background-color 140ms ease, transform 120ms var(--ease-out-expo), opacity 120ms ease;
}

.btn-primary:hover {
  background-color: var(--color-charcoal);
}

.btn-primary:active {
  transform: scale(0.97);
  opacity: 0.85;
}

.btn-primary:disabled {
  background-color: var(--color-hairline);
  color: var(--color-mute);
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background-color: var(--color-soft-cloud);
  color: var(--color-ink);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  border-radius: var(--radius-lg);
  padding: 12px 28px;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color 140ms ease, transform 120ms var(--ease-out-expo);
}

.btn-secondary:hover {
  background-color: #e5e5e5;
}

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

.btn-outline-on-image {
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--radius-lg);
  padding: 12px 24px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color 140ms ease, transform 120ms var(--ease-out-expo);
}

.btn-outline-on-image:hover {
  background-color: #e5e5e5;
}

.btn-outline-on-image:active {
  transform: scale(0.97);
}

.btn-outline-pill {
  background-color: var(--color-canvas);
  color: var(--color-ink);
  border: 1px solid var(--color-hairline);
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--radius-lg);
  padding: 14px 28px;
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: border-color 140ms ease, transform 120ms var(--ease-out-expo);
}

.btn-outline-pill:hover {
  border-color: var(--color-ink);
}

.btn-outline-pill:active {
  transform: scale(0.98);
}

/* ==========================================================================
   4. Catálogo PLP (Sub-nav, Sidebar Filters & Product Grid)
   ========================================================================== */

.catalog-section {
  max-width: 1440px;
  width: 100%;
  margin: 0 auto var(--space-section);
  padding: 0 36px;
}

.plp-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0 24px;
  background-color: var(--color-canvas);
  position: sticky;
  top: 60px;
  z-index: 80;
}

.plp-title-group {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.plp-heading {
  font-size: 24px;
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.2;
}

.plp-count {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-mute);
}

.plp-controls {
  display: flex;
  align-items: center;
  gap: 24px;
}

.plp-control-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
}

.plp-sort-select {
  border: none;
  background: transparent;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
  cursor: pointer;
  padding-right: 4px;
}

/* Layout PLP: Sidebar + Grid */
.plp-layout {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 36px;
  align-items: start;
}

.plp-layout.filters-hidden {
  grid-template-columns: 1fr;
}

.plp-layout.filters-hidden .filter-sidebar {
  display: none;
}

/* Filter Sidebar (DESIGN.md filter-sidebar) */
.filter-sidebar {
  position: sticky;
  top: 130px;
  max-height: calc(100vh - 150px);
  overflow-y: auto;
  padding-right: 12px;
}

.filter-group {
  padding: 18px 0;
  border-bottom: 1px solid var(--color-hairline-soft);
}

.filter-group:first-child {
  padding-top: 0;
}

.filter-group-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.filter-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  list-style: none;
}

.filter-option-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  font-size: 15px;
  font-weight: 400;
  color: var(--color-ink);
  padding: 4px 0;
  transition: color 120ms ease;
}

.filter-option-btn:hover {
  color: var(--color-mute);
}

.filter-option-btn.active {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.filter-checkbox-box {
  width: 18px;
  height: 18px;
  border: 1px solid var(--color-hairline);
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 10px;
  flex-shrink: 0;
  transition: background-color 120ms ease, border-color 120ms ease;
}

.filter-option-btn.active .filter-checkbox-box {
  background-color: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-on-primary);
}

.filter-size-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.filter-size-chip {
  height: 36px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-xs);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink);
  background-color: var(--color-canvas);
  transition: border-color 120ms ease, background-color 120ms ease, color 120ms ease;
}

.filter-size-chip:hover {
  border-color: var(--color-ink);
}

.filter-size-chip.active {
  background-color: var(--color-ink);
  color: var(--color-on-primary);
  border-color: var(--color-ink);
}

/* Product Grid (DESIGN.md product-card: 0px radius, 0px shadow, #f5f5f5 stage) */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 16px;
  row-gap: 40px;
}

.product-card {
  background-color: var(--color-canvas);
  border-radius: var(--radius-none);
  padding: 0;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
}

.product-card-image-wrap {
  background-color: var(--color-soft-cloud);
  border-radius: var(--radius-none);
  aspect-ratio: 1 / 1;
  width: 100%;
  position: relative;
  overflow: hidden;
  margin-bottom: 12px;
}

.product-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 320ms var(--ease-out-quad);
}

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

.card-wishlist-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  transition: transform 120ms var(--ease-out-expo);
}

.card-wishlist-btn:hover {
  transform: scale(1.08);
}

.card-wishlist-btn.active {
  color: var(--color-sale);
}

.product-card-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-promo-tag {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-promo-tag);
}

.card-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.4;
}

.card-subtitle {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-mute);
}

.card-sizes-preview {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-mute);
}

.card-price-row {
  margin-top: 6px;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 16px;
  font-weight: 500;
}

.price-current {
  color: var(--color-ink);
}

.price-original {
  color: var(--color-mute);
  text-decoration: line-through;
  font-weight: 400;
  font-size: 14px;
}

.price-discount-pct {
  color: var(--color-success);
  font-size: 14px;
  font-weight: 500;
}

/* ==========================================================================
   5. Página de Producto PDP (Réplica Exacta Capturas Nike.com.pe)
   ========================================================================== */

.pdp-view {
  max-width: 1240px;
  width: 100%;
  margin: 0 auto var(--space-section);
  padding: 24px 36px 48px;
}

.pdp-breadcrumb-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.pdp-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background-color: var(--color-soft-cloud);
  transition: background-color 120ms ease;
}

.pdp-back-btn:hover {
  background-color: #e5e5e5;
}

/* Estructura 2 Columnas PDP: Imágenes a la izquierda (2x2), Info a la derecha */
.pdp-main-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 48px;
  align-items: start;
}

/* Lado Izquierdo: Grilla 2x2 de Imágenes como en Nike.com.pe */
.pdp-gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.pdp-gallery-item {
  background-color: var(--color-soft-cloud);
  aspect-ratio: 1 / 1;
  width: 100%;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-none);
  cursor: zoom-in;
}

.pdp-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms var(--ease-out-quad);
}

.pdp-gallery-item:hover img {
  transform: scale(1.03);
}

.pdp-angle-label {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background-color: rgba(255, 255, 255, 0.86);
  color: var(--color-ink);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  pointer-events: none;
}

/* Lado Derecho: Columna de Información y Compra */
.pdp-info-col {
  display: flex;
  flex-direction: column;
}

.pdp-promo-badge {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-promo-tag);
  margin-bottom: 4px;
}

.pdp-title {
  font-size: 28px;
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-ink);
}

.pdp-subtitle {
  font-size: 16px;
  font-weight: 400;
  color: var(--color-ink);
  margin-top: 4px;
}

.pdp-price-block {
  margin-top: 16px;
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.pdp-price-current {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
}

.pdp-price-retail {
  font-size: 16px;
  font-weight: 400;
  color: var(--color-mute);
  text-decoration: line-through;
}

.pdp-price-save {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-sale);
}

/* Selectores Inteligentes de Dimensión (Género, Equipación Titular/Alterna, Versión Normal/Deluxe) */
.pdp-dimensions-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 22px;
}

.pdp-dimension-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pdp-dimension-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  gap: 6px;
}

.pdp-dimension-label span {
  color: var(--color-mute);
  font-weight: 400;
}

.pdp-dimension-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pdp-dimension-pill {
  min-height: 40px;
  padding: 6px 16px;
  border-radius: 6px;
  border: 1px solid var(--color-hairline);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: border-color 140ms ease, background-color 140ms ease, color 140ms ease, transform 120ms var(--ease-out-expo);
}

.pdp-dimension-pill:hover:not(:disabled) {
  border-color: var(--color-ink);
}

.pdp-dimension-pill.active {
  border: 1.5px solid var(--color-ink);
  background-color: var(--color-ink);
  color: var(--color-on-primary);
}

.pdp-dimension-pill:active:not(:disabled) {
  transform: scale(0.97);
}

.pdp-dimension-pill:disabled,
.pdp-dimension-pill.is-unavailable {
  background-color: #f7f7f7;
  color: var(--color-stone);
  border-color: var(--color-hairline-soft);
  text-decoration: line-through;
  cursor: not-allowed;
  opacity: 0.72;
}

/* Miniatura de Color / Variante (Idéntica a Nike.com.pe) */
.pdp-colorway-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.pdp-colorway-thumb {
  width: 70px;
  height: 70px;
  background-color: var(--color-soft-cloud);
  border-radius: 6px;
  border: 1.5px solid transparent;
  overflow: hidden;
  padding: 0;
  position: relative;
  transition: border-color 160ms var(--ease-out-expo), transform 140ms var(--ease-out-expo), opacity 140ms ease;
}

.pdp-colorway-thumb:hover {
  border-color: var(--color-stone);
}

.pdp-colorway-thumb.active {
  border-color: var(--color-ink);
}

.pdp-colorway-thumb:active {
  transform: scale(0.96);
}

.pdp-colorway-thumb.is-out-of-stock {
  opacity: 0.45;
}

.pdp-colorway-thumb.is-out-of-stock::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top right, transparent calc(50% - 1px), var(--color-ink) 50%, transparent calc(50% + 1px));
  pointer-events: none;
}

.pdp-colorway-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@keyframes pdpColorCrossfade {
  from {
    opacity: 0.35;
    transform: translateY(3px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pdp-gallery-grid.is-switching-color .pdp-gallery-item,
.pdp-info-col.is-switching-color .pdp-price-block,
.pdp-info-col.is-switching-color .pdp-size-grid,
.pdp-info-col.is-switching-color .pdp-delivery-block,
.pdp-info-col.is-switching-color .pdp-specs-list {
  animation: pdpColorCrossfade 240ms var(--ease-out-expo);
}

/* Selector de Tallas (Idéntico a Captura 1 de Nike.com.pe) */
.pdp-size-section {
  margin-bottom: 24px;
}

.pdp-size-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.pdp-size-label {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
}

.pdp-size-guide-btn {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-mute);
  transition: color 120ms ease;
}

.pdp-size-guide-btn:hover {
  color: var(--color-ink);
  text-decoration: underline;
}

.pdp-size-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 7px;
}

.pdp-size-btn {
  height: 48px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-hairline-soft);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-size: 15px;
  font-weight: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 120ms ease, transform 100ms ease;
}

.pdp-size-btn:hover:not(:disabled) {
  border-color: var(--color-ink);
}

.pdp-size-btn.selected {
  border: 1.5px solid var(--color-ink);
  font-weight: 500;
}

.pdp-size-btn:disabled {
  background-color: #f7f7f7;
  color: var(--color-hairline);
  border-color: var(--color-hairline-soft);
  cursor: not-allowed;
}

.pdp-size-error {
  color: var(--color-sale);
  font-size: 14px;
  font-weight: 500;
  margin-top: 8px;
  display: none;
}

.pdp-size-section.has-error .pdp-size-grid {
  outline: 1px solid var(--color-sale);
  border-radius: var(--radius-xs);
}

.pdp-size-section.has-error .pdp-size-error {
  display: block;
}

/* Botones de Acción Principal en PDP (Píldoras de 58px como en Captura 2) */
.pdp-cta-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.btn-pdp-whatsapp {
  width: 100%;
  height: 58px;
  border-radius: var(--radius-lg);
  background-color: var(--color-ink);
  color: var(--color-on-primary);
  font-size: 16px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background-color 140ms ease, transform 120ms var(--ease-out-expo);
}

.btn-pdp-whatsapp:hover {
  background-color: var(--color-charcoal);
}

.btn-pdp-whatsapp:active {
  transform: scale(0.98);
}

.btn-pdp-favorite {
  width: 100%;
  height: 58px;
  border-radius: var(--radius-lg);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  border: 1px solid var(--color-hairline);
  font-size: 16px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: border-color 140ms ease, transform 120ms var(--ease-out-expo);
}

.btn-pdp-favorite:hover {
  border-color: var(--color-ink);
}

/* Bloque de Disponibilidad en Fechas (Idéntico a Captura 2 de Nike.com.pe) */
.pdp-delivery-block {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-ink);
  margin-bottom: 20px;
}

.pdp-delivery-highlight {
  font-weight: 600;
  color: var(--color-promo-tag);
}

.pdp-delivery-highlight.fast {
  color: var(--color-success);
}

.pdp-payment-methods {
  text-align: center;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-ink);
  padding: 12px 16px;
  margin-bottom: 24px;
}

.pdp-payment-methods strong {
  display: block;
  font-weight: 500;
  margin-bottom: 2px;
}

/* Descripción e Información de Estilo (Captura 2) */
.pdp-description {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-ink);
  margin-bottom: 24px;
}

.pdp-specs-list {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-ink);
}

.pdp-view-details-link {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
  text-decoration: underline;
  text-underline-offset: 4px;
  display: inline-block;
  margin-bottom: 28px;
}

.pdp-view-details-link:hover {
  color: var(--color-mute);
}

/* Disclosure Accordion Rows (DESIGN.md pdp-disclosure-row) */
.pdp-accordions {
  border-top: 1px solid var(--color-hairline-soft);
}

.pdp-disclosure-row {
  border-bottom: 1px solid var(--color-hairline-soft);
}

.pdp-disclosure-trigger {
  width: 100%;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  text-align: left;
}

.pdp-disclosure-body {
  display: none;
  padding-bottom: 22px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-charcoal);
}

.pdp-disclosure-row.open .pdp-disclosure-body {
  display: block;
}

.pdp-disclosure-chevron {
  transition: transform 200ms var(--ease-out-expo);
}

.pdp-disclosure-row.open .pdp-disclosure-chevron {
  transform: rotate(180deg);
}

/* ==========================================================================
   6. Modo Fantasma (Falso 404) & Panel Privado Blindado (Salka Vault)
   ========================================================================== */

.ghost-404-view {
  max-width: 640px;
  margin: 80px auto;
  padding: 0 24px;
  text-align: center;
}

.ghost-404-code {
  font-family: var(--font-display);
  font-size: 96px;
  line-height: 0.9;
  color: var(--color-ink);
  margin-bottom: 12px;
}

.ghost-404-title {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 12px;
}

.ghost-404-desc {
  color: var(--color-mute);
  margin-bottom: 28px;
}

/* Salka Vault (Panel de Administración Privado) */
.vault-view {
  max-width: 1320px;
  width: 100%;
  margin: 0 auto 64px;
  padding: 32px 36px;
}

.vault-login-card {
  max-width: 440px;
  margin: 48px auto;
  padding: 36px;
  border: 1px solid var(--color-hairline);
  background-color: var(--color-canvas);
}

.vault-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 24px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--color-hairline);
}

.vault-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.vault-tab-btn {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  background-color: var(--color-soft-cloud);
  color: var(--color-ink);
  transition: background-color 120ms ease, color 120ms ease;
}

.vault-tab-btn.active {
  background-color: var(--color-ink);
  color: var(--color-on-primary);
}

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

.vault-form-card {
  border: 1px solid var(--color-hairline);
  padding: 28px;
  background-color: var(--color-canvas);
}

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

.form-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
}

.form-hint {
  font-size: 12px;
  color: var(--color-mute);
}

.form-input,
.form-select,
.form-textarea {
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-xs);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-size: 15px;
}

.form-textarea {
  height: auto;
  min-height: 96px;
  padding: 12px 14px;
  resize: vertical;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-ink);
  box-shadow: 0 0 0 1px var(--color-ink);
}

/* Tabla de Tallas e Inventario Interno (Casa vs Almacén) */
.sizes-admin-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 14px;
}

.sizes-admin-table th,
.sizes-admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-hairline-soft);
  text-align: left;
}

.sizes-admin-table th {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-mute);
  background-color: var(--color-soft-cloud);
}

.sizes-admin-input {
  width: 90px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-xs);
}

/* Galería Admin Preview (Con Reordenamiento Arrastrable + Botones ◀ ▶ ★) */
.admin-images-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.admin-img-thumb {
  aspect-ratio: 1 / 1;
  background-color: var(--color-soft-cloud);
  position: relative;
  border: 1.5px solid var(--color-hairline-soft);
  border-radius: 4px;
  overflow: hidden;
  cursor: grab;
  transition: border-color 140ms ease, transform 140ms ease, opacity 140ms ease;
}

.admin-img-thumb.is-cover {
  border-color: var(--color-ink);
}

.admin-img-thumb.dragging {
  opacity: 0.4;
  transform: scale(0.96);
}

.admin-img-thumb.drag-over {
  border-color: var(--color-info);
  box-shadow: 0 0 0 2px var(--color-info);
}

.admin-img-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.admin-img-badge {
  position: absolute;
  top: 4px;
  left: 4px;
  background-color: rgba(17, 17, 17, 0.84);
  color: #ffffff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
  pointer-events: none;
  z-index: 2;
}

.admin-img-thumb.is-cover .admin-img-badge {
  background-color: var(--color-ink);
}

.admin-img-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background-color: rgba(17, 17, 17, 0.88);
  color: var(--color-on-primary);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
}

.admin-img-reorder-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(17, 17, 17, 0.82);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 4px;
  gap: 3px;
  z-index: 3;
}

.admin-img-move-btn {
  flex: 1;
  height: 22px;
  border-radius: 3px;
  background-color: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  font-size: 11px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 120ms ease;
}

.admin-img-move-btn:hover:not(:disabled) {
  background-color: rgba(255, 255, 255, 0.34);
}

.admin-img-move-btn:disabled {
  opacity: 0.28;
  cursor: default;
}

/* Gestor de Variaciones de Color en Salka Vault */
.admin-variants-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 14px;
}

.admin-variant-card {
  border: 1px solid var(--color-hairline);
  border-radius: 6px;
  padding: 20px;
  background-color: #fafafa;
  position: relative;
}

.admin-variant-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-hairline-soft);
}

/* Tabla de Productos en el Vault */
.vault-products-table {
  width: 100%;
  border-collapse: collapse;
}

.vault-products-table th,
.vault-products-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--color-hairline-soft);
  text-align: left;
  font-size: 14px;
}

.vault-products-table th {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--color-mute);
  font-weight: 600;
}

/* ==========================================================================
   7. Modales (Guía de Tallas, Ficha Técnica, Favoritos, Lightbox)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(17, 17, 17, 0.55);
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-dialog {
  background-color: var(--color-canvas);
  color: var(--color-ink);
  max-width: 640px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
  animation: modalReveal 180ms var(--ease-out-expo);
}

@keyframes modalReveal {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--color-soft-cloud);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   8. Footer (DESIGN.md footer specification)
   ========================================================================== */

.site-footer {
  margin-top: auto;
  background-color: var(--color-canvas);
  border-top: 1px solid var(--color-hairline);
  padding: 48px 36px 28px;
}

.footer-container {
  max-width: 1440px;
  margin: 0 auto;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-hairline-soft);
}

.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 14px;
  text-transform: uppercase;
}

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

.footer-links a,
.footer-links button {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-mute);
  text-align: left;
  transition: color 120ms ease;
}

.footer-links a:hover,
.footer-links button:hover {
  color: var(--color-ink);
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  color: var(--color-mute);
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast-pill {
  background-color: var(--color-ink);
  color: var(--color-on-primary);
  padding: 12px 22px;
  border-radius: var(--radius-lg);
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: modalReveal 180ms var(--ease-out-expo);
}

/* ==========================================================================
   9. Responsive Design (DESIGN.md Breakpoints)
   ========================================================================== */

@media (max-width: 1023px) {
  .utility-container,
  .primary-nav-container,
  .campaign-hero,
  .catalog-section,
  .pdp-view,
  .vault-view,
  .site-footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .nav-links-center {
    display: none;
  }

  .mobile-menu-btn {
    display: inline-flex;
  }

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

  .filter-sidebar {
    position: fixed;
    inset: 0;
    z-index: 250;
    background-color: var(--color-canvas);
    max-height: 100vh;
    padding: 24px;
    display: none;
  }

  .filter-sidebar.mobile-open {
    display: block;
  }

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

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

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

@media (max-width: 639px) {
  .utility-left {
    display: none;
  }

  .utility-container {
    justify-content: center;
  }

  .search-pill-wrap {
    width: 140px;
  }

  .search-pill-wrap:focus-within {
    width: 175px;
  }

  .campaign-tile {
    min-height: 340px;
    padding: 28px 20px;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 10px;
    row-gap: 28px;
  }

  .pdp-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .form-grid-2,
  .form-grid-3 {
    grid-template-columns: 1fr;
  }

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}