/* ═══════════════════════════════════════════════════════════════════════════
   catalogo.css — maquetación específica del catálogo.
   Reutiliza tokens y componentes de system.css y las utilidades comunes
   de page.css (nav, menú móvil, ritmo vertical, etc.).
   ═══════════════════════════════════════════════════════════════════════ */

/* — Hero corto de la sección catálogo (a diferencia del hero de la landing,
     este no ocupa toda la pantalla) — */
.cat-hero {
  position: relative; z-index: 1;
  padding: calc(var(--nav-h) + 4 * var(--leading)) 0 calc(2.5 * var(--leading));
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-divider);
}
.cat-hero .kicker { margin-bottom: var(--leading); }
.cat-hero h1 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: clamp(36px, 4.87vw, 63.6px);
  letter-spacing: -0.02em; margin: 0; margin-left: -0.055em;
  text-box: trim-both cap alphabetic;
  max-width: 22ch;
}
.cat-hero p.sub {
  font-size: 17px; line-height: var(--leading);
  max-width: 58ch;
  margin: calc(1.5 * var(--leading) - 1cap) 0 0;
  text-box: trim-both cap alphabetic;
  color: color-mix(in srgb, var(--color-text) 82%, transparent);
}

/* ═══════════════════════════════════════════════════════════════════════════
   Categorías destacadas
   ═══════════════════════════════════════════════════════════════════════ */
.categories { padding: calc(3 * var(--leading)) 0 calc(2 * var(--leading)); }
.cat-section-head {
  display: grid; grid-template-columns: 1fr auto;
  gap: var(--leading);
  align-items: end;
  margin-bottom: calc(1.5 * var(--leading));
}
.cat-section-head h2 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: var(--leading);
  letter-spacing: -0.015em; margin: 0;
  text-box: trim-both cap alphabetic;
}
.cat-section-head p {
  font-size: 15px; line-height: var(--leading);
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
  margin: 0; max-width: 40ch;
  text-align: right;
}
@media (max-width: 720px) {
  .cat-section-head { grid-template-columns: 1fr; }
  .cat-section-head p { text-align: left; }
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;                       /* la costura de 2px del sistema */
  background: var(--color-divider); /* el "hilo" entre celdas */
  border: 2px solid var(--color-divider);
}
.cat-card {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-neutral-200);
  color: inherit; text-decoration: none;
  display: block;
  cursor: pointer;
}
.cat-card-media {
  position: absolute; inset: 0;
  transition: transform 700ms var(--ease);
  will-change: transform;
}
.cat-card:hover .cat-card-media,
.cat-card:focus-visible .cat-card-media { transform: scale(1.06); }
.cat-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom,
    color-mix(in srgb, #000 0%, transparent) 0%,
    color-mix(in srgb, #000 12%, transparent) 55%,
    color-mix(in srgb, #000 68%, transparent) 100%);
  transition: background 400ms var(--ease);
}
.cat-card:hover .cat-card-overlay,
.cat-card:focus-visible .cat-card-overlay {
  background: linear-gradient(to bottom,
    color-mix(in srgb, #000 10%, transparent) 0%,
    color-mix(in srgb, #000 30%, transparent) 55%,
    color-mix(in srgb, #000 78%, transparent) 100%);
}
.cat-card-content {
  position: absolute; inset: auto 0 0 0;
  padding: var(--leading) var(--space-6);
  color: #fff;
  transition: transform 500ms var(--ease);
  will-change: transform;
}
.cat-card:hover .cat-card-content,
.cat-card:focus-visible .cat-card-content { transform: translateY(-4px); }
.cat-card h3 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 22px; line-height: var(--leading); letter-spacing: -0.01em;
  margin: 0; text-box: trim-both cap alphabetic;
}
.cat-card-meta {
  display: block; margin-top: 4px;
  font-size: 12px; line-height: var(--half); letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, #fff 80%, transparent);
}

@media (max-width: 880px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) {
  .cat-grid { grid-template-columns: 1fr; }
  .cat-card { aspect-ratio: 16/10; }
  .cat-card-content { padding: var(--leading) var(--edge); }
}

/* ═══════════════════════════════════════════════════════════════════════════
   Sección de productos (grid + filtros)
   ═══════════════════════════════════════════════════════════════════════ */
.products {
  padding: calc(3 * var(--leading)) 0 calc(3 * var(--leading));
  border-top: 2px solid var(--color-divider);
}
.products-toolbar {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--leading);
  padding-bottom: var(--leading);
  border-bottom: 2px solid var(--color-divider);
  margin-bottom: calc(1.5 * var(--leading));
}
.products-count {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 18px; line-height: var(--leading);
  letter-spacing: -0.005em; margin: 0;
  font-variant-numeric: tabular-nums;
}
.products-count small {
  display: inline-block; margin-left: var(--space-2);
  font-family: var(--font-body); font-weight: 400;
  font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 65%, transparent);
}
.products-tools { display: flex; align-items: center; gap: var(--space-3); }
.sort {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: 13px; color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.sort select {
  font: inherit; font-size: 13px; padding: 6px 24px 6px 10px;
  border: 1px solid var(--color-divider); border-radius: 0;
  background: transparent; color: var(--color-text);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M0 0l5 6 5-6' fill='none' stroke='%2321426a' stroke-width='2'/></svg>");
  background-repeat: no-repeat;
  background-position: right 8px center;
}
.sort select:focus-visible { outline: 2px solid var(--color-accent-ink); outline-offset: 2px; }
.filter-toggle {
  display: none;               /* solo se muestra en móvil */
  padding: 8px 14px;
  min-height: 40px;
}

/* Layout de filtros + grid — sidebar 240px sticky en desktop */
.products-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(24px, 3vw, 48px);
  align-items: start;
}
.filters {
  position: sticky; top: calc(var(--nav-h) + 16px);
  align-self: start;
}
.filter-group + .filter-group { margin-top: calc(1.5 * var(--leading)); padding-top: calc(1.5 * var(--leading)); border-top: 2px solid var(--color-divider); }
.filter-group h4 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 13px; line-height: var(--half); letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--color-accent-ink);
  margin: 0 0 var(--leading); text-box: trim-both cap alphabetic;
}
.filter-list { list-style: none; padding: 0; margin: 0; }
.filter-list li + li { margin-top: 6px; }
.filter-list label {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer;
  padding: 6px 0;
  font-size: 14px; line-height: 20px;
  color: color-mix(in srgb, var(--color-text) 82%, transparent);
  transition: color 200ms var(--ease);
}
.filter-list label:hover { color: var(--color-text); }
.filter-list input {
  appearance: none;
  width: 16px; height: 16px; flex: none;
  border: 1.5px solid var(--color-divider);
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}
.filter-list input[type="checkbox"]:checked,
.filter-list input[type="radio"]:checked {
  background: var(--color-accent-ink);
  border-color: var(--color-accent-ink);
}
.filter-list input[type="checkbox"]:checked::after {
  content: ""; position: absolute; inset: 2px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path d='M2 6l3 3 5-6' fill='none' stroke='white' stroke-width='2' stroke-linecap='square'/></svg>") center/contain no-repeat;
}
.filter-list input[type="radio"] { border-radius: 50%; }
.filter-list input[type="radio"]:checked::after {
  content: ""; position: absolute; inset: 3px; background: #fff; border-radius: 50%;
}
.filter-list input:focus-visible { outline: 2px solid var(--color-accent-ink); outline-offset: 2px; }
.filter-count {
  margin-left: auto; font-variant-numeric: tabular-nums;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
  font-size: 12px;
}
.filter-clear {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: var(--leading);
  padding: 0; background: transparent; border: 0; cursor: pointer;
  font: inherit; font-size: 13px; color: var(--color-accent-ink);
  text-decoration: underline; text-underline-offset: 3px;
}
.filter-clear:hover { color: var(--color-accent-900); }

/* En móvil, los filtros son un panel colapsable */
@media (max-width: 880px) {
  .products-layout { grid-template-columns: 1fr; }
  .filter-toggle { display: inline-flex; }
  .filters {
    position: static;
    overflow: hidden;
    max-height: 0;
    padding-bottom: 0;
    border-bottom: 2px solid transparent;
    margin-bottom: 0;
    transition: max-height 500ms var(--ease), padding-bottom 400ms var(--ease), margin-bottom 400ms var(--ease), border-color 300ms var(--ease);
  }
  .filters.is-open {
    max-height: 1200px;
    padding-bottom: calc(1.5 * var(--leading));
    border-bottom-color: var(--color-divider);
    margin-bottom: calc(1.5 * var(--leading));
  }
}

/* Móvil: la toolbar del catálogo se apila en dos filas para que quepa
   holgadamente incluso en 360px (Android más común). */
@media (max-width: 640px) {
  .products-toolbar {
    grid-template-columns: 1fr;
    row-gap: var(--half);
  }
  .products-tools {
    width: 100%;
    justify-content: space-between;
    gap: var(--space-2);
  }
  .sort {
    flex: 1; min-width: 0;
    font-size: 12px;
  }
  .sort select {
    flex: 1; min-width: 0; width: 100%;
    font-size: 13px;
  }
  .filter-toggle { flex: none; }
}

/* Grid de productos */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr));
  gap: clamp(20px, 2.5vw, 36px) clamp(16px, 2vw, 28px);
}
.product { margin: 0; }
.product-btn {
  display: flex; flex-direction: column;
  width: 100%; padding: 0;
  background: transparent; border: 0; cursor: pointer;
  color: inherit; text-align: left;
  transition: transform 400ms var(--ease);
}
.product-btn:focus-visible {
  outline: 2px solid var(--color-accent-ink); outline-offset: 4px;
}
.product-media {
  position: relative; width: 100%; aspect-ratio: 4/5;
  overflow: hidden; background: var(--color-neutral-200);
}
.product-media .ph {
  position: absolute; inset: 0;
  transition: transform 800ms var(--ease);
  will-change: transform;
}
.product-btn:hover .product-media .ph,
.product-btn:focus-visible .product-media .ph { transform: scale(1.06); }
.product-hover-overlay {
  position: absolute; inset: 0;
  background: color-mix(in srgb, var(--color-accent-900) 0%, transparent);
  display: grid; place-items: end center;
  padding-bottom: var(--leading);
  transition: background 350ms var(--ease);
  pointer-events: none;
}
.product-hover-overlay span {
  display: inline-block;
  padding: 6px 12px;
  background: var(--color-bg); color: var(--color-accent-ink);
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  opacity: 0; transform: translateY(8px);
  transition: opacity 300ms var(--ease) 60ms, transform 300ms var(--ease) 60ms;
}
@media (hover: hover) {
  .product-btn:hover .product-hover-overlay {
    background: color-mix(in srgb, var(--color-accent-900) 18%, transparent);
  }
  .product-btn:hover .product-hover-overlay span,
  .product-btn:focus-visible .product-hover-overlay span {
    opacity: 1; transform: none;
  }
}
.product-badges {
  position: absolute; top: 12px; left: 12px;
  display: flex; flex-wrap: wrap; gap: 4px;
}
.product-badge {
  display: inline-block;
  padding: 3px 8px;
  background: var(--color-bg); color: var(--color-accent-ink);
  font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
}
.product-badge.badge-outline {
  background: transparent; border: 1px solid var(--color-accent-ink);
}
.product-info { padding-top: var(--half); }
.product-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 15.5px; line-height: 22px; letter-spacing: -0.005em;
  margin: 0 0 4px; text-box: trim-both cap alphabetic;
}
.product-specs {
  display: flex; flex-wrap: wrap; gap: 2px 12px;
  margin: 0;
  font-size: 12.5px; line-height: 20px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
  font-variant-numeric: tabular-nums;
}
.product-specs span + span::before {
  content: "·"; margin-right: 12px;
  color: color-mix(in srgb, var(--color-text) 30%, transparent);
  margin-left: -12px;
}
.product-specs span:first-child::before { content: none; }

/* Estado filtrado: los productos que no matchean colapsan suavemente */
.product { transition: opacity 300ms var(--ease), transform 300ms var(--ease); }
.product[hidden] { display: none; }        /* fallback sin transición */
.product.is-out {
  opacity: 0; transform: scale(0.96);
  pointer-events: none;
}

/* — CTA final — */
.cat-cta {
  position: relative; z-index: 1;
  background: var(--color-accent); color: var(--color-accent-900);
  border-top: 2px solid var(--color-divider);
}
.cat-cta .wrap {
  padding: calc(3 * var(--leading)) var(--edge);
  display: grid; grid-template-columns: 1fr auto; align-items: center;
  gap: var(--leading);
}
.cat-cta h2 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: clamp(30px, 3.4vw, 44.5px);
  letter-spacing: -0.015em; margin: 0; margin-left: -0.05em;
  text-box: trim-both cap alphabetic;
  max-width: 20ch;
}
.cat-cta p {
  margin: var(--half) 0 0;
  font-size: 15.5px; line-height: var(--leading);
  color: color-mix(in srgb, var(--color-accent-900) 82%, transparent);
  max-width: 50ch;
}
.cat-cta .row { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.cat-cta .btn-ghost { color: var(--color-accent-900); border-color: var(--color-accent-900); }
.cat-cta .btn-ghost:hover { background: color-mix(in srgb, var(--color-accent-900) 12%, transparent); }
.cat-cta .btn-primary { background: var(--color-accent-900); color: var(--color-accent-100); }
.cat-cta .btn-primary:hover { background: color-mix(in srgb, var(--color-accent-900) 88%, #000); }
@media (max-width: 720px) {
  .cat-cta .wrap { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   Modal de ficha de producto
   ═══════════════════════════════════════════════════════════════════════ */
.product-modal {
  width: min(1000px, calc(100% - 32px));
  max-width: none; max-height: calc(100vh - 32px);
  margin: auto;
  padding: 0; border: 0;
  background: var(--color-bg); color: var(--color-text);
  border-radius: 0;
  overflow: hidden;
}
.product-modal::backdrop {
  background: color-mix(in srgb, #000 55%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}
@keyframes modal-backdrop-in { from { opacity: 0 } to { opacity: 1 } }
.product-modal[open] { animation: modal-in 300ms var(--ease) both; }
.product-modal[open]::backdrop { animation: modal-backdrop-in 300ms var(--ease) both; }

.modal-inner {
  display: grid;
  grid-template-columns: 5fr 4fr;
  min-height: 0;
  max-height: calc(100vh - 32px);
}
.modal-media {
  position: relative;
  background: var(--color-neutral-200);
  min-height: 340px;
}
.modal-media .ph { position: absolute; inset: 0; }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  background: var(--color-bg); color: var(--color-text);
  border: 0; cursor: pointer;
  z-index: 3;
  transition: background 200ms var(--ease), color 200ms var(--ease);
}
.modal-close:hover { background: var(--color-text); color: var(--color-bg); }
.modal-close:focus-visible { outline: 2px solid var(--color-accent-ink); outline-offset: 2px; }
.modal-info {
  padding: calc(1.5 * var(--leading)) calc(1.5 * var(--leading)) var(--leading);
  overflow-y: auto;
  display: flex; flex-direction: column;
  gap: var(--leading);
}
.modal-info .kicker { margin: 0; }
.modal-info h2 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: clamp(24px, 2.5vw, 32px);
  line-height: clamp(26px, 2.7vw, 34px);
  letter-spacing: -0.015em; margin: 0; margin-left: -0.045em;
  text-box: trim-both cap alphabetic;
}
.modal-desc {
  font-size: 15.5px; line-height: var(--leading);
  margin: 0; max-width: 46ch;
  color: color-mix(in srgb, var(--color-text) 82%, transparent);
}
.modal-specs {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--half) var(--leading);
  padding: var(--leading) 0;
  margin: 0;
  border-top: 2px solid var(--color-divider);
  border-bottom: 2px solid var(--color-divider);
}
.modal-specs div { display: flex; flex-direction: column; gap: 2px; }
.modal-specs dt {
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.modal-specs dd {
  margin: 0; font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 15px; line-height: 22px;
  font-variant-numeric: tabular-nums;
}
.modal-actions {
  display: flex; gap: var(--space-3); flex-wrap: wrap;
  padding-top: var(--half);
}

@media (max-width: 800px) {
  .product-modal { width: 100%; max-height: 100vh; height: 100%; }
  .modal-inner {
    grid-template-columns: 1fr;
    grid-template-rows: min(45vh, 380px) 1fr;
    max-height: 100vh;
  }
  .modal-media { min-height: 0; }
  .modal-info { padding: var(--leading) var(--edge); }
  .modal-specs { grid-template-columns: 1fr; }
}
body:has(dialog.product-modal[open]) { overflow: hidden; }

/* ═══════════════════════════════════════════════════════════════════════════
   Placeholders visuales para productos y categorías (sin imágenes reales).
   Cada uno insinúa el material del producto real.
   ═══════════════════════════════════════════════════════════════════════ */

/* Productos */
.ph-antracita {
  background:
    radial-gradient(80% 60% at 30% 20%, #4a4a4a 0%, transparent 60%),
    radial-gradient(70% 70% at 70% 80%, #1e1e1e 0%, transparent 60%),
    linear-gradient(135deg, #2a2a2a 0%, #3a3a3a 100%);
}
.ph-carrara {
  background:
    linear-gradient(120deg, transparent 40%, rgba(120,120,140,0.35) 45%, transparent 55%),
    linear-gradient(60deg, transparent 30%, rgba(100,110,130,0.25) 35%, transparent 45%),
    linear-gradient(135deg, #f6f6f6 0%, #dfe1e5 100%);
}
.ph-cemento {
  background:
    radial-gradient(60% 50% at 40% 60%, #a8a8a8 0%, transparent 55%),
    radial-gradient(50% 40% at 75% 30%, #909090 0%, transparent 60%),
    linear-gradient(150deg, #8a8a8a 0%, #a0a0a0 100%);
}
.ph-metro {
  background:
    linear-gradient(135deg, #fefefe 0%, #f4f4f4 100%);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.06);
}
.ph-madera {
  background:
    linear-gradient(90deg, transparent 0%, rgba(0,0,0,0.12) 8%, transparent 15%, rgba(0,0,0,0.08) 30%, transparent 40%, rgba(0,0,0,0.14) 55%, transparent 65%, rgba(0,0,0,0.10) 80%, transparent 100%),
    linear-gradient(135deg, #8b5a2b 0%, #a67c52 40%, #7a4e26 100%);
}
.ph-hexagonal {
  background:
    conic-gradient(from 30deg at 50% 50%, #ffffff, #f2f2f2, #ffffff, #ececec, #ffffff),
    #fff;
  background-blend-mode: multiply;
  position: relative;
}
.ph-hexagonal::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 25% 25%, transparent 12px, rgba(0,0,0,0.05) 13px, transparent 14px),
    radial-gradient(circle at 75% 25%, transparent 12px, rgba(0,0,0,0.05) 13px, transparent 14px),
    radial-gradient(circle at 25% 75%, transparent 12px, rgba(0,0,0,0.05) 13px, transparent 14px),
    radial-gradient(circle at 75% 75%, transparent 12px, rgba(0,0,0,0.05) 13px, transparent 14px),
    radial-gradient(circle at 50% 50%, transparent 12px, rgba(0,0,0,0.05) 13px, transparent 14px);
  background-size: 60px 60px;
}
.ph-antideslizante {
  background:
    radial-gradient(circle at 20% 30%, #7a7a7a 0%, #666 60%),
    radial-gradient(circle at 80% 70%, #808080 0%, #6a6a6a 55%),
    linear-gradient(135deg, #6c6c6c 0%, #7d7d7d 100%);
  position: relative;
}
.ph-antideslizante::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(0,0,0,0.12) 1.5px, transparent 2px);
  background-size: 12px 12px;
  opacity: 0.6;
}
.ph-terracota {
  background:
    radial-gradient(70% 50% at 30% 30%, #d4794f 0%, transparent 60%),
    radial-gradient(60% 50% at 75% 70%, #a04a2b 0%, transparent 55%),
    linear-gradient(135deg, #b85c3d 0%, #c26a44 100%);
}
.ph-piedra {
  background:
    radial-gradient(45% 45% at 25% 30%, #e8dcc0 0%, transparent 60%),
    radial-gradient(40% 40% at 70% 60%, #c5b494 0%, transparent 60%),
    linear-gradient(135deg, #d4c4a8 0%, #b8a688 100%);
}
.ph-mosaico-azul {
  background:
    conic-gradient(from 45deg at 33% 33%, #1e4a72, #2e6ba0, #1e4a72, #164368, #1e4a72),
    #1e4a72;
  position: relative;
}
.ph-mosaico-azul::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(rgba(0,0,0,0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.15) 1px, transparent 1px);
  background-size: 20px 20px, 20px 20px, 20px 20px, 20px 20px;
  background-position: 0 0, 0 0, 0 0, 0 0;
}
.ph-marmol-negro {
  background:
    linear-gradient(120deg, transparent 40%, rgba(220,220,220,0.4) 45%, transparent 55%),
    linear-gradient(60deg, transparent 30%, rgba(200,200,200,0.3) 35%, transparent 45%),
    linear-gradient(200deg, transparent 45%, rgba(180,180,180,0.25) 50%, transparent 60%),
    linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 50%, #1a1a1a 100%);
}
.ph-menta {
  background:
    radial-gradient(70% 50% at 30% 40%, #b8dfce 0%, transparent 60%),
    radial-gradient(60% 50% at 75% 65%, #93c9b3 0%, transparent 55%),
    linear-gradient(135deg, #a8d5c1 0%, #93c4ae 100%);
}

/* Categorías (más grandes, con contraste alto para leer el título encima) */
.ph-cat-porcelanato {
  background:
    radial-gradient(80% 60% at 25% 25%, #4a4a4a 0%, transparent 70%),
    linear-gradient(135deg, #2a2a2a 0%, #3a3a3a 100%);
}
.ph-cat-azulejos {
  background:
    linear-gradient(45deg, #f6f6f6 25%, #e5e5e5 25%, #e5e5e5 50%, #f6f6f6 50%, #f6f6f6 75%, #e5e5e5 75%);
  background-size: 60px 60px;
}
.ph-cat-mosaicos {
  background:
    conic-gradient(from 45deg at 33% 33%, #1e4a72, #4a6b8c, #1e4a72, #2e5d8a);
  background-size: 40px 40px;
}
.ph-cat-exterior {
  background:
    radial-gradient(circle at 50% 50%, #6a6a6a 0%, #4a4a4a 100%);
  position: relative;
}
.ph-cat-exterior::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(0,0,0,0.15) 2px, transparent 3px);
  background-size: 20px 20px;
}
.ph-cat-piedra {
  background:
    radial-gradient(45% 45% at 25% 30%, #e8dcc0 0%, transparent 70%),
    radial-gradient(40% 40% at 70% 60%, #b8a68c 0%, transparent 60%),
    linear-gradient(135deg, #c8b898 0%, #a89a80 100%);
}
.ph-cat-rusticos {
  background:
    radial-gradient(60% 50% at 30% 30%, #c26a44 0%, transparent 60%),
    radial-gradient(50% 40% at 75% 70%, #8f4020 0%, transparent 55%),
    linear-gradient(135deg, #a04a2b 0%, #b85c3d 100%);
}

/* ═══════════════════════════════════════════════════════════════════════════
   Animaciones de entrada + reveals
   ═══════════════════════════════════════════════════════════════════════ */

/* Entrada del hero: fade-up del título y del subtítulo */
@keyframes cat-hero-in {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
.js .cat-hero h1 { animation: cat-hero-in 720ms var(--ease) 60ms both; }
.js .cat-hero .kicker { animation: cat-hero-in 620ms var(--ease) both; }
.js .cat-hero p.sub { animation: cat-hero-in 720ms var(--ease) 200ms both; }

/* Reveals genéricos: fade-up cuando entran en viewport */
.js [data-reveal] {
  opacity: 0; transform: translateY(14px);
  transition: opacity 640ms var(--ease), transform 640ms var(--ease);
  transition-delay: calc(var(--i, 0) * 70ms);
  will-change: opacity, transform;
}
.js [data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .js .cat-hero h1,
  .js .cat-hero .kicker,
  .js .cat-hero p.sub { animation: none; }
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
  .cat-card-media,
  .product-media .ph,
  .cat-card-content { transition: none; }
  .product-modal[open],
  .product-modal[open]::backdrop { animation: none; }
}

/* Truco: hover global desactivado en táctil (mismo patrón que page.css) */
@media (hover: none) {
  .cat-card:hover .cat-card-media,
  .cat-card:hover .cat-card-overlay,
  .cat-card:hover .cat-card-content { transform: none; background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.12) 55%, rgba(0,0,0,0.68) 100%); }
  .product-btn:hover .product-media .ph { transform: none; }
  .product-btn:hover .product-hover-overlay { background: transparent; }
}