/* ======================================================
   COMFORTEK TIENDA — Catálogo filtrable
   Complementa style.css (no lo duplica)
   ====================================================== */

/* --- Hero del catálogo — AIDA R021 --------------------- */
.catalog-hero {
  padding: var(--s8) 0 var(--s6);
  background: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border);
}
.catalog-hero .section-tag {
  margin-bottom: var(--s2);
  display: inline-block;
}
.catalog-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 1.1;
  margin-bottom: var(--s3);
  max-width: 22ch;
}
.catalog-hero h1 em {
  font-style: normal;
  color: var(--color-accent-aa, #BE4B15);
}
.catalog-hero-sub {
  color: var(--color-ink-mid);
  max-width: 60ch;
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: var(--s5);
}
.catalog-hero-actions {
  display: flex;
  gap: var(--s2);
  flex-wrap: wrap;
  margin-bottom: var(--s4);
}
@media (max-width: 480px) {
  .catalog-hero-actions { flex-direction: column; }
  .catalog-hero-actions .btn { width: 100%; justify-content: center; }
}
.catalog-hero-trust {
  font-size: .82rem;
  color: var(--color-ink-dim);
  display: flex;
  align-items: center;
  gap: var(--s2);
  flex-wrap: wrap;
}
.catalog-trust-item {
  display: flex;
  align-items: center;
  gap: 4px;
}
.catalog-trust-item svg { color: #FCD34D; }
/* C4 — separador accent bajo el h1 del catálogo */
.catalog-hero .divider-accent {
  margin: var(--s2) 0;
}

/* --- Barra de filtros ---------------------------------- */
.filter-section {
  position: sticky;
  top: 64px;   /* altura del site-header */
  z-index: 50;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--s2) 0;
  box-shadow: var(--shadow-header);   /* mejora 58 — separa la barra del contenido al hacer scroll */
}
.filter-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2) var(--s4);
  align-items: center;
}
.filter-group {
  display: flex;
  align-items: center;
  gap: var(--s1);
  flex-wrap: wrap;
}
.filter-group__label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-ink-dim);
  text-transform: uppercase;
  letter-spacing: .06em;
  white-space: nowrap;
}
.filter-pills {
  display: flex;
  gap: var(--s1);
  flex-wrap: wrap;
}
.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: transparent;
  font-family: var(--font);
  font-size: .85rem;
  font-weight: 500;
  color: var(--color-ink-mid);
  cursor: pointer;
  transition: border-color var(--ease), background var(--ease), color var(--ease);
  min-height: 44px; /* R033 — tap target mínimo 44px (era 36px, por debajo del umbral móvil) */
  white-space: nowrap;
  user-select: none;
}
.filter-pill:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}
.filter-pill:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.filter-pill.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.filter-pill--programado.active {
  background: #059669;
  border-color: #059669;
}
.filter-divider {
  width: 1px;
  height: 28px;
  background: var(--color-border);
  flex-shrink: 0;
}
.filter-actions {
  display: flex;
  align-items: center;
  gap: var(--s2);
  margin-left: auto;
}
.catalog-count {
  font-size: .85rem;
  color: var(--color-ink-dim);
  white-space: nowrap;
}
.btn-reset {
  padding: 6px 14px;
  min-height: 44px; /* R033 — consistente con filter-pill */
  font-size: .85rem;
}

/* --- Grid de productos --------------------------------- */
.catalog-section {
  padding: var(--s6) 0 var(--s12);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));  /* mejora 35 — auto-fill responsive */
  gap: var(--s3);   /* mejora 19 — gap 24px mínimo entre cards */
}

/* --- Tarjeta de producto -------------------------------- */
.product-card {
  border-radius: var(--radius-card);   /* mejora 59 — radius 12px consistente */
  background: var(--color-bg);
  box-shadow: var(--shadow-card);
  overflow: hidden;                    /* mejora 62 — recorta imagen al radio */
  border: 1px solid transparent;       /* mejora 43 — base para el borde al hover */
  transition: box-shadow var(--ease), transform var(--ease), border-color var(--ease);  /* mejora 66 */
}
@media (hover: hover) {
  .product-card:hover {
    box-shadow: var(--shadow-hover);   /* mejora 51 — elevation media */
    transform: translateY(-2px);       /* mejora 66 */
    border-color: rgba(232,104,48,.3); /* mejora 43 — border accent 30% */
  }
}
.product-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}
.product-card__img-wrap {
  position: relative;
  aspect-ratio: 4/3;                /* mejora 82 — proporción consistente */
  background: var(--color-bg-soft);
  overflow: hidden;                 /* mejora 62 — imagen recortada al radio superior */
  border-bottom: 1px solid var(--color-border);
}
.product-card__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--s2);
  transition: transform var(--ease);
}
@media (hover: hover) {
  .product-card:hover .product-card__img {
    transform: scale(1.03);
  }
}
.product-card__badges {
  position: absolute;
  top: var(--s1);
  left: var(--s1);
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  transition: opacity var(--ease-fast);   /* mejora 72 — badges reaccionan al hover del card */
}
@media (hover: hover) {
  .product-card:hover .product-card__badges { opacity: .92; }  /* mejora 72 */
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);   /* mejora 61 — pill siempre */
  font-size: .72rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .05em;               /* mejora 10 — interletrado en badge */
  text-transform: uppercase;
}
.badge--programado {
  background: #D1FAE5;
  color: #065F46;
}
.badge--material {
  background: #F3F4F6;
  color: var(--color-ink-mid);
}
/* mejora 49 — badge "nuevo"/"oferta" en cyan, diferenciado del naranja */
.badge--nuevo,
.badge--oferta {
  background: var(--color-cyan);
  color: #fff;
}

.product-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--s3);   /* mejora 20 — padding interno 24px consistente */
  gap: var(--s1);
}
.product-card__name {   /* mejora 8 — título de card coherente */
  letter-spacing: -.01em;
}
.product-card__brand {
  font-size: .8rem;              /* mejora 13 — caption/meta (marca) */
  font-weight: 600;
  color: var(--color-ink-dim);
  text-transform: uppercase;
  letter-spacing: .05em;         /* mejora 83 — marca arriba, layout consistente */
}
.product-card__name {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-ink);
  /* 2 líneas máx */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--s1);
  border-top: 1px solid var(--color-border);
}
.product-card__price {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-accent-aa);         /* R035 — WCAG AA garantizado: 4.99:1 sobre blanco */
  font-variant-numeric: tabular-nums;
}
/* mejora 47 — precio original tachado */
.product-card__price del,
.product-card__price-old {
  color: var(--color-ink-dim);
  font-weight: 500;
  font-size: .85rem;
  text-decoration: line-through;
  margin-left: 6px;
}
.product-card__price--na {
  color: var(--color-ink-dim);
  font-size: .9rem;
  font-weight: 500;
}
.product-card__cta {
  font-size: .85rem;
  font-weight: 700;             /* mejora 84 — CTA con peso */
  color: var(--color-accent-aa);     /* R035 — WCAG AA garantizado: 4.99:1 sobre blanco */
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--ease);
}
@media (hover: hover) {
  .product-card:hover .product-card__cta { gap: 8px; }  /* mejora 84 — micro-avance al hover */
}

/* --- Estado vacío -------------------------------------- */
.catalog-empty {
  padding: var(--s12) var(--s4);
  text-align: center;
}
.catalog-empty__icon {
  font-size: 3.5rem;                    /* C6 — icono más visible */
  margin-bottom: var(--s3);
  display: block;
  animation: fadeUp .4s ease-out;      /* C7 — aparece suavemente */
}
.catalog-empty h2 {
  font-size: 1.35rem;                   /* C8 — ligeramente más grande */
  font-weight: 700;
  margin-bottom: var(--s2);
  color: var(--color-ink);
}
.catalog-empty p {
  color: var(--color-ink-mid);
  max-width: 44ch;
  margin: 0 auto var(--s4);
}

/* --- Esqueleto de carga --------------------------------- */
.skeleton {
  background: linear-gradient(            /* C9 — colores warm acordes con paleta */
    90deg,
    var(--color-bg-soft) 25%,
    #f5ede5 50%,                          /* C10 — tono cálido en el brillo */
    var(--color-bg-soft) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;  /* C11 — easing más suave */
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
/* R035 — skeleton estructurado: espeja .product-card (img 4/3 + body)
   para evitar CLS cuando JS reemplaza skeletons por tarjetas reales.
   Antes: aspect-ratio: 4/5 → ~214px; tarjeta real ~248px → 34px de shift. */
.skeleton-card {
  border-radius: var(--radius-card);
  background: var(--color-bg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.skeleton-card__img {
  aspect-ratio: 4/3;                       /* espeja .product-card__img-wrap */
  border-bottom: 1px solid var(--color-border);
}
.skeleton-card__body {
  padding: var(--s3);
  display: flex;
  flex-direction: column;
  gap: var(--s1);
}
.skeleton-card__line {
  border-radius: 4px;
  height: 14px;
}
.skeleton-card__line--brand { width: 40%; }
.skeleton-card__line--name  { height: 38px; width: 90%; }
.skeleton-card__line--price { width: 55%; margin-top: var(--s1); }

/* --- Responsive ---------------------------------------- */
@media (max-width: 640px) {
  .filter-section {
    top: 56px;
    padding: var(--s1) 0;
  }
  .filter-inner {
    gap: var(--s1) var(--s2);
  }
  .filter-actions {
    margin-left: 0;
    width: 100%;
    justify-content: space-between;
  }
  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--s2);
  }
  .product-card__body {
    padding: var(--s2);
  }
  .skeleton-card__body { padding: var(--s2); } /* R035 — espeja .product-card__body mobile */
  /* R035 — restaura tap target ≥44px (40px era regresión de R033) */
  .filter-pill { min-height: 44px; }
}
/* mejora 93 — en pantallas muy estrechas, 1 columna con imagen full-width */
@media (max-width: 380px) {
  .product-grid { grid-template-columns: 1fr; }
}

/* --- Banner "¿Quieres que lo instalemos?" (R024) -------- */
.catalog-install-banner {
  background: var(--color-bg-dark);
  color: #fff;
  padding: var(--s3) 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.catalog-install-banner .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  flex-wrap: wrap;
}
.catalog-install-banner p {
  font-size: .95rem;
  color: rgba(255,255,255,.85);
  margin: 0;
  max-width: none;
}
.catalog-install-banner p strong { color: #fff; }
.catalog-install-banner .btn {
  padding: 10px 20px;
  min-height: 40px;
  font-size: .9rem;
  white-space: nowrap;
}
@media (max-width: 600px) {
  .catalog-install-banner .container { flex-direction: column; align-items: flex-start; }
  .catalog-install-banner .btn { width: 100%; justify-content: center; }
}