/**
 * ============================================================
 *  L-LEDS — PÁGINA ÍNDICE: PRODUCTOS
 *  Archivo : ll-productos.css
 *  Dep.    : ll-tokens.css → ll-layout.css (cargar antes)
 *  Prefijo : .ll-productos  /  .ll-cat-card / .ll-filter
 *
 *  ESTRUCTURA DE CLASES:
 *   .ll-productos               → <section> contenedor principal
 *   .ll-productos__inner        → wrapper centrado max-width
 *   .ll-productos__header       → bloque de título + eyebrow
 *   .ll-productos__eyebrow      → etiqueta superior tipo pill
 *   .ll-productos__title        → H1 bicolor
 *   .ll-productos__title-accent → span verde LED dentro del H1
 *   .ll-productos__subtitle     → párrafo descriptivo
 *   .ll-productos__divider      → línea decorativa LED
 *   .ll-productos__grid         → CSS Grid responsivo (4→2→1)
 *
 *   .ll-cat-card                → <a> tarjeta completa clickeable
 *   .ll-cat-card__img           → <img loading="lazy">
 *   .ll-cat-card__overlay       → gradiente de contraste
 *   .ll-cat-card__body          → contenedor texto inferior
 *   .ll-cat-card__arrow         → botón visual ícono flecha
 *   .ll-cat-card__title         → H2 categoría (uppercase/bold)
 *   .ll-cat-card__title--long   → modificador para títulos largos
 *
 *   .ll-cat-card__ver-btn       → Botón ghost "VER"
 *   .ll-filter-overlay          → Overlay de filtros (tarjeta 1)
 *   .ll-filter__checkbox        → Checkboxes customizados accesibles
 * ============================================================
 */

/* ════════════════════════════════════════════════════════════
   SECCIÓN PRINCIPAL — .ll-productos
   ════════════════════════════════════════════════════════════ */

.ll-productos {
  padding-block: var(--ll-space-20) var(--ll-space-24);
  background: var(--ll-color-bg-base);
  position: relative;
  overflow: hidden;
}

/* Resplandor ambiental de fondo */
.ll-productos::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(
    ellipse at 50% 0%,
    rgba(125, 218, 0, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

.ll-productos__inner {
  position: relative;
  z-index: 1;
  max-width: var(--ll-container-max);
  margin-inline: auto;
  padding-inline: var(--ll-container-pad);
}

/* ════════════════════════════════════════════════════════════
   ENCABEZADO — .ll-productos__header
   ════════════════════════════════════════════════════════════ */

.ll-productos__header {
  text-align: center;
  margin-bottom: var(--ll-space-16);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ll-space-4);
}

.ll-productos__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--ll-space-2);
  font-size: var(--ll-text-sm);
  font-weight: var(--ll-font-semibold);
  color: var(--ll-color-primary);
  letter-spacing: var(--ll-tracking-widest);
  text-transform: uppercase;
  background: var(--ll-color-primary-muted);
  border: 1px solid var(--ll-color-border-accent);
  border-radius: var(--ll-radius-full);
  padding: var(--ll-space-1) var(--ll-space-4);
}

.ll-productos__eyebrow::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ll-color-primary);
  box-shadow: 0 0 6px var(--ll-color-primary), 0 0 12px rgba(125, 218, 0, 0.5);
  flex-shrink: 0;
}

.ll-productos__title {
  font-size: var(--ll-text-3xl);
  font-weight: var(--ll-font-extrabold);
  letter-spacing: var(--ll-tracking-tight);
  line-height: var(--ll-leading-tight);
  margin: 0;
  color: var(--ll-color-text-primary);
  text-shadow: 0 2px 24px rgba(5, 10, 0, 0.80);
}

.ll-productos__title-accent {
  color: var(--ll-color-primary);
  text-shadow:
    0 0 20px rgba(125, 218, 0, 0.50),
    0 0 48px rgba(194, 240, 0, 0.25);
}

.ll-productos__subtitle {
  font-size: var(--ll-text-md);
  color: var(--ll-color-text-secondary);
  max-width: 520px;
  line-height: var(--ll-leading-loose);
  margin: 0;
}

.ll-productos__divider {
  width: 64px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--ll-color-primary), transparent);
  border-radius: var(--ll-radius-full);
  margin-top: var(--ll-space-2);
}

/* ════════════════════════════════════════════════════════════
   GRILLA — .ll-productos__grid
   ════════════════════════════════════════════════════════════ */

.ll-productos__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--ll-space-5);
}

@media (max-width: 1023px) {
  .ll-productos__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--ll-space-4);
  }
}

@media (max-width: 599px) {
  .ll-productos__grid {
    grid-template-columns: 1fr;
    gap: var(--ll-space-4);
  }

  .ll-productos__title { font-size: var(--ll-text-xl); }
  .ll-productos__subtitle { font-size: var(--ll-text-base); }
}

@media (min-width: 600px) and (max-width: 1023px) {
  .ll-productos__title { font-size: var(--ll-text-2xl); }
}

/* ════════════════════════════════════════════════════════════
   TARJETA DE CATEGORÍA — .ll-cat-card
   ════════════════════════════════════════════════════════════ */

.ll-cat-card {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--ll-radius-xl);
  text-decoration: none;
  color: inherit;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--ll-color-border);
  box-shadow: var(--ll-shadow-md);
  transition:
    box-shadow   var(--ll-transition-slow),
    border-color var(--ll-transition-base),
    transform    var(--ll-transition-slow);
  isolation: isolate;
}

.ll-cat-card:hover,
.ll-cat-card:focus-visible {
  box-shadow:
    var(--ll-shadow-xl),
    0 0 0 1.5px var(--ll-color-primary),
    0 0 24px rgba(125, 218, 0, 0.25),
    0 0 48px rgba(194, 240, 0, 0.10);
  border-color: var(--ll-color-primary);
  transform: translateY(-4px);
  outline: none;
}

.ll-cat-card:focus-visible {
  outline: 2px solid var(--ll-color-primary);
  outline-offset: 3px;
}

/* ── Imagen ──────────────────────────────────────────────── */
.ll-cat-card__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center center;
  position: relative;
  z-index: 0;
}

.ll-cat-card:hover .ll-cat-card__img,
.ll-cat-card:focus-visible .ll-cat-card__img {
  transform: scale(1.08);
}

/* ── Overlay de gradiente ────────────────────────────────── */
.ll-cat-card__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      to top,
      rgba(5, 10, 0, 0.88) 0%,
      rgba(5, 10, 0, 0.42) 45%,
      rgba(5, 10, 0, 0.10) 100%
    );
  transition: background var(--ll-transition-slow);
}

.ll-cat-card:hover .ll-cat-card__overlay,
.ll-cat-card:focus-visible .ll-cat-card__overlay {
  background:
    linear-gradient(
      to top,
      rgba(5, 10, 0, 0.92) 0%,
      rgba(27, 64, 0, 0.35) 50%,
      rgba(5, 10, 0, 0.08) 100%
    );
}

/* ── Cuerpo de texto ─────────────────────────────────────── */
.ll-cat-card__body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: var(--ll-space-4) var(--ll-space-4) var(--ll-space-4);
  display: flex;
  flex-direction: column;
  gap: var(--ll-space-3);
}

/* Fila inferior: título + botón VER alineados */
.ll-cat-card__footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--ll-space-3);
}

/* ── Ícono flecha ────────────────────────────────────────── */
.ll-cat-card__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid rgba(125, 218, 0, 0.35);
  background: rgba(125, 218, 0, 0.08);
  flex-shrink: 0;
  align-self: flex-end;
  color: var(--ll-color-primary);
  transition:
    background    var(--ll-transition-base),
    border-color  var(--ll-transition-base),
    color         var(--ll-transition-base),
    transform     var(--ll-transition-spring);
}

.ll-cat-card__arrow svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ll-cat-card:hover .ll-cat-card__arrow,
.ll-cat-card:focus-visible .ll-cat-card__arrow {
  background: var(--ll-color-primary);
  border-color: var(--ll-color-primary);
  color: var(--ll-color-text-inverted);
  transform: translateX(3px);
}

/* ── Título ──────────────────────────────────────────────── */
.ll-cat-card__title {
  font-size: var(--ll-text-base);
  font-weight: var(--ll-font-extrabold);
  letter-spacing: var(--ll-tracking-widest);
  text-transform: uppercase;
  color: var(--ll-color-text-primary);
  line-height: var(--ll-leading-tight);
  margin: 0;
  flex: 1;
  text-shadow:
    0 1px 4px rgba(5, 10, 0, 0.90),
    0 2px 16px rgba(5, 10, 0, 0.70);
  transition:
    color       var(--ll-transition-base),
    text-shadow var(--ll-transition-base);
}

.ll-cat-card:hover .ll-cat-card__title,
.ll-cat-card:focus-visible .ll-cat-card__title {
  color: var(--ll-color-primary-hover);
  text-shadow:
    0 0 12px rgba(194, 240, 0, 0.60),
    0 0 28px rgba(125, 218, 0, 0.30),
    0 1px 4px rgba(5, 10, 0, 0.90);
}

.ll-cat-card__title--long {
  font-size: 0.70rem;
  letter-spacing: 0.06em;
}

@media (min-width: 1024px) {
  .ll-cat-card__title--long { font-size: 0.72rem; }
}

/* ════════════════════════════════════════════════════════════
   BOTÓN "VER" — .ll-cat-card__ver-btn
   Ghost button con acento verde. Está dentro del <a> pero
   usa stopPropagation/preventDefault para no activarlo.
   ════════════════════════════════════════════════════════════ */

.ll-cat-card__ver-btn {
  /* Layout */
  display: inline-flex;
  align-items: center;
  gap: var(--ll-space-1);
  flex-shrink: 0;

  /* Tipografía */
  font-family: var(--ll-font-sans);
  font-size: var(--ll-text-sm);
  font-weight: var(--ll-font-bold);
  letter-spacing: var(--ll-tracking-widest);
  text-transform: uppercase;
  color: var(--ll-color-primary);          /* #7DDA00 Verde LED */

  /* Estilo ghost / outline */
  background: rgba(125, 218, 0, 0.08);
  border: 1.5px solid rgba(125, 218, 0, 0.40);
  border-radius: var(--ll-radius-full);
  padding: 6px var(--ll-space-4);

  /* Interacción */
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;

  /* Animación suave */
  transition:
    background   var(--ll-transition-base),
    border-color var(--ll-transition-base),
    color        var(--ll-transition-base),
    box-shadow   var(--ll-transition-base),
    transform    var(--ll-transition-spring);
}

.ll-cat-card__ver-btn:hover,
.ll-cat-card__ver-btn:focus-visible {
  background: var(--ll-color-primary);
  border-color: var(--ll-color-primary);
  color: var(--ll-color-text-inverted);    /* #050A00 — Negro sobre verde */
  box-shadow:
    0 0 16px rgba(125, 218, 0, 0.40),
    0 0 32px rgba(194, 240, 0, 0.18);
  transform: translateY(-1px);
  outline: none;
}

.ll-cat-card__ver-btn:focus-visible {
  outline: 2px solid var(--ll-color-primary);
  outline-offset: 3px;
}

/* Ícono de flecha dentro del botón VER */
.ll-cat-card__ver-btn svg {
  width: 12px;
  height: 12px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
  transition: transform var(--ll-transition-base);
}

.ll-cat-card__ver-btn:hover svg,
.ll-cat-card__ver-btn:focus-visible svg {
  transform: translateX(2px);
}

/* Variante especial para la tarjeta "Tiras" */
.ll-cat-card__ver-btn--filter {
  gap: var(--ll-space-2);
}

.ll-cat-card__ver-btn--filter:hover svg,
.ll-cat-card__ver-btn--filter:focus-visible svg {
  transform: rotate(15deg);
}


/* ════════════════════════════════════════════════════════════
   OVERLAY DE FILTROS — .ll-filter-overlay
   ════════════════════════════════════════════════════════════ */

.ll-filter-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  background: rgba(5, 10, 0, 0.92);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: var(--ll-radius-xl);
  display: flex;
  flex-direction: column;
  align-items: stretch;

  /* ── Estado CERRADO ── */
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  pointer-events: none;

  transition:
    opacity    0.28s cubic-bezier(0.4, 0, 0.2, 1),
    transform  0.28s cubic-bezier(0.4, 0, 0.2, 1),
    visibility 0.28s step-end;
}

/* ── Estado ABIERTO ── */
.ll-filter-overlay.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;

  transition:
    opacity    0.28s cubic-bezier(0.4, 0, 0.2, 1),
    transform  0.28s cubic-bezier(0.4, 0, 0.2, 1),
    visibility 0.28s step-start;
}

/* ── Barra superior del overlay ── */
.ll-filter-overlay__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ll-space-4) var(--ll-space-4) var(--ll-space-3);
  border-bottom: 1px solid var(--ll-color-border);
  flex-shrink: 0;
}

.ll-filter-overlay__title {
  font-size: var(--ll-text-sm);
  font-weight: var(--ll-font-bold);
  color: var(--ll-color-primary);
  letter-spacing: var(--ll-tracking-widest);
  text-transform: uppercase;
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--ll-space-2);
}

.ll-filter-overlay__title::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ll-color-primary);
  box-shadow: 0 0 6px var(--ll-color-primary);
  flex-shrink: 0;
}

.ll-filter-overlay__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--ll-color-border);
  background: transparent;
  color: var(--ll-color-text-secondary);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: background var(--ll-transition-base), border-color var(--ll-transition-base), color var(--ll-transition-base);
}

.ll-filter-overlay__close:hover,
.ll-filter-overlay__close:focus-visible {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.50);
  color: #EF4444;
  outline: none;
}

.ll-filter-overlay__close:focus-visible {
  outline: 2px solid var(--ll-color-primary);
  outline-offset: 2px;
}

.ll-filter-overlay__close svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
}

/* ── Formulario de filtros ── */
.ll-filter-form {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow-y: auto;
  padding: var(--ll-space-4);
  gap: var(--ll-space-2);
}

.ll-filter-form::-webkit-scrollbar { width: 4px; }
.ll-filter-form::-webkit-scrollbar-track { background: transparent; }
.ll-filter-form::-webkit-scrollbar-thumb { background: var(--ll-color-border-strong); border-radius: 4px; }

/* ── Cada fila de checkbox + label ── */
.ll-filter__item {
  display: flex;
  align-items: center;
  gap: var(--ll-space-3);
  padding: var(--ll-space-2) var(--ll-space-2);
  border-radius: var(--ll-radius-md);
  cursor: pointer;
  transition: background var(--ll-transition-fast);
  width: 100%;
}

.ll-filter__item:hover {
  background: rgba(125, 218, 0, 0.06);
}

.ll-filter__label {
  font-size: var(--ll-text-sm);
  font-weight: var(--ll-font-medium);
  color: var(--ll-color-text-secondary);
  cursor: pointer;
  line-height: 1;
  user-select: none;
  transition: color var(--ll-transition-fast);
  flex: 1;
  display: block;
}

.ll-filter__item:hover .ll-filter__label {
  color: var(--ll-color-text-primary);
}

.ll-filter__checkbox:checked + .ll-filter__label,
.ll-filter__checkbox:checked ~ .ll-filter__label {
  color: var(--ll-color-primary);
  font-weight: var(--ll-font-semibold);
}

/* ── Checkbox custom ── */
.ll-filter__checkbox {
  -webkit-appearance: none;
  appearance: none;
  margin: 0;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: var(--ll-radius-sm);
  border: 1.5px solid var(--ll-color-border-strong);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  position: relative;
  transition: border-color var(--ll-transition-fast), background var(--ll-transition-fast), box-shadow var(--ll-transition-fast);
}

.ll-filter__checkbox:hover {
  border-color: var(--ll-color-primary);
  background: var(--ll-color-primary-muted);
}

.ll-filter__checkbox:focus-visible {
  outline: 2px solid var(--ll-color-primary);
  outline-offset: 2px;
}

.ll-filter__checkbox:checked {
  background: var(--ll-color-primary);
  border-color: var(--ll-color-primary);
  box-shadow: 0 0 8px rgba(125, 218, 0, 0.40);
}

.ll-filter__checkbox::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -55%) rotate(45deg) scale(0);
  width: 5px;
  height: 9px;
  border-right: 2px solid #050A00;
  border-bottom: 2px solid #050A00;
  border-radius: 1px;
  transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.ll-filter__checkbox:checked::after {
  transform: translate(-50%, -55%) rotate(45deg) scale(1);
}

/* ── RGB spans de colores ── */
.ll-filter__label .rgb-r { color: #FF4444; }
.ll-filter__label .rgb-g { color: #7DDA00; }
.ll-filter__label .rgb-b { color: #4488FF; }

.ll-filter__checkbox:checked ~ .ll-filter__label .rgb-r { color: #FF6666; }
.ll-filter__checkbox:checked ~ .ll-filter__label .rgb-g { color: #C2F000; }
.ll-filter__checkbox:checked ~ .ll-filter__label .rgb-b { color: #66AAFF; }

/* ── Separador visual ── */
.ll-filter__separator {
  height: 1px;
  background: var(--ll-color-border);
  margin: var(--ll-space-1) 0;
  flex-shrink: 0;
}

/* ── Pie del overlay: botón Buscar ── */
.ll-filter-overlay__footer {
  padding: var(--ll-space-3) var(--ll-space-4) var(--ll-space-4);
  border-top: 1px solid var(--ll-color-border);
  flex-shrink: 0;
}

.ll-filter-overlay__footer .ll-btn-primary {
  width: 100%;
  justify-content: center;
  font-size: var(--ll-text-sm);
  padding: var(--ll-space-3) var(--ll-space-4);
}