/* ═══════════════════════════════════════════════════
   PRODUCTOS PAGE — CSS
   Hero · Filtros · Búsqueda · Grid · Cards · Responsive
═══════════════════════════════════════════════════ */

/* ─── HERO PRODUCTOS ─── */
.productos-hero {
  padding: 140px 0 60px;
  background: linear-gradient(180deg, var(--dark-2) 0%, var(--dark) 100%);
  text-align: center;
}

.productos-hero-content {
  max-width: 600px;
  margin: 0 auto;
}

.productos-hero .section-title {
  margin-bottom: 12px;
}

/* ─── BARRA DE FILTROS ─── */
.filtros-section {
  padding: 32px 0 0;
  background: var(--dark);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.filtros-bar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* BÚSQUEDA */
.search-box {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--gray);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  background: var(--dark-2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  padding: 14px 44px 14px 46px;
  font-size: 16px;
  color: var(--white);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  touch-action: manipulation;
}

.search-box input::placeholder {
  color: var(--gray);
}

.search-box input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.search-clear {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--dark-3);
  border-radius: 50%;
  color: var(--white);
  font-size: 20px;
  line-height: 1;
  transition: background var(--transition-fast);
  touch-action: manipulation;
}

.search-clear:hover {
  background: var(--gold);
  color: var(--black);
}

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

/* FILTROS POR CATÁLOGO */
.catalog-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--gray-light);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: var(--transition-fast);
  touch-action: manipulation;
}

.filter-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.filter-btn.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--black);
  font-weight: 600;
}

/* CONTADOR DE RESULTADOS */
.results-count {
  text-align: center;
  padding: 16px 0 0;
  font-size: 13px;
  color: var(--gray);
  letter-spacing: 0.5px;
}

.results-count span {
  color: var(--gold);
  font-weight: 600;
}

/* ─── GALERÍA DE IMÁGENES CON MINIATURAS ─── */
.producto-gallery {
  display: flex;
  flex-direction: column;
}

.gallery-main {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.gallery-main::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(0deg, var(--dark-2), transparent);
  pointer-events: none;
  z-index: 1;
}

.gallery-main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.15s ease, transform 0.6s ease;
  position: relative;
  z-index: 0;
}

.producto-card:hover .gallery-main-img {
  transform: scale(1.06);
}

.gallery-thumbs {
  display: flex;
  gap: 6px;
  padding: 8px 10px 10px;
  background: var(--dark-2);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

.gallery-thumbs::-webkit-scrollbar {
  display: none;
}

.gallery-thumb {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  opacity: 0.5;
  transition: border-color var(--transition-fast), opacity var(--transition-fast);
  touch-action: manipulation;
}

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

.gallery-thumb:hover {
  opacity: 0.8;
}

.gallery-thumb.active {
  border-color: var(--gold);
  opacity: 1;
}

/* ─── GRID DE PRODUCTOS ─── */
.productos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

/* CARD DE PRODUCTO (sin flip, sin precio) */
.producto-card {
  background: var(--dark-2);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.producto-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(212,175,55,0), rgba(212,175,55,0.08), rgba(212,175,55,0));
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
  z-index: 0;
}

.producto-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-gold);
  border-color: rgba(212, 175, 55, 0.2);
}

.producto-card:hover::before {
  opacity: 1;
}

.producto-card.hidden {
  display: none;
}

.producto-img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.producto-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.producto-card:hover .producto-img img {
  transform: scale(1.06);
}

.producto-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(212, 175, 55, 0.15);
  border: 1px solid rgba(212, 175, 55, 0.4);
  color: var(--gold);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  backdrop-filter: blur(10px);
  animation: var(--anim-float);
}

.producto-badge-gold {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--black);
}

.producto-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.producto-cat {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
}

.producto-info h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.producto-info p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.5;
}

.producto-info .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ─── SIN RESULTADOS ─── */
.no-results {
  text-align: center;
  padding: 80px 20px;
}

.no-results svg {
  width: 64px;
  height: 64px;
  color: var(--gray);
  margin-bottom: 20px;
}

.no-results h3 {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--white);
  margin-bottom: 8px;
}

.no-results p {
  font-size: 15px;
  color: var(--gray);
  margin-bottom: 24px;
}

/* ─── LOADING SPINNER ─── */
.loading-spinner {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(212, 175, 55, 0.2);
  border-top-color: var(--gold);
  border-radius: 50%;
  margin: 0 auto 20px;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-spinner p {
  font-size: 15px;
  color: var(--gray);
}

/* ─── RESPONSIVE 768px ─── */
@media (max-width: 768px) {
  .productos-hero {
    padding: 100px 0 32px;
  }

  .filtros-section {
    position: sticky;
    top: 0;
    padding: 20px 0 0;
  }

  .catalog-filters {
    gap: 8px;
    padding-bottom: 4px;
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    overscroll-behavior-x: contain;
  }

  .catalog-filters::-webkit-scrollbar { display: none; }

  .filter-btn {
    flex-shrink: 0;
    padding: 10px 18px;
    min-height: 40px;
    font-size: 13px;
  }

  .productos-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
  }

  .search-box input {
    font-size: 16px; /* Previene zoom en iOS */
  }

  .search-clear {
    min-width: 44px;
    min-height: 44px;
  }
}

@media (max-width: 600px) {
  .productos-hero {
    padding: 80px 0 24px;
  }

  .productos-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .producto-card {
    max-width: 400px;
    margin: 0 auto;
  }

  .gallery-thumb {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
  }

  .producto-info {
    padding: 16px;
  }

  .producto-info .btn {
    width: 100%;
    text-align: center;
    min-height: 44px;
  }

  .no-results {
    padding: 48px 16px;
  }
}

@media (max-width: 480px) {
  .productos-grid {
    grid-template-columns: 1fr;
  }

  .producto-card {
    max-width: 100%;
    margin: 0;
  }

  .search-box input {
    padding: 14px 48px 14px 44px;
    font-size: 16px;
  }

  .search-icon {
    left: 14px;
  }

  .filter-btn {
    padding: 10px 16px;
    font-size: 12px;
  }
}