/* =============================================
   PRODUCTOS.CSS — Bogdan Detailing
   Catálogo de productos · Diseño en rejilla · Premium
============================================= */

/* ── PAGE HEADER ───────────────────────────── */
.prod-header {
  position: relative;
  padding: calc(68px + var(--s20)) var(--s8) var(--s16);
  background: var(--gris-1);
  overflow: hidden;
  border-bottom: 1px solid var(--gris-4);
}

.prod-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--rojo) 20%, var(--rojo) 80%, transparent 100%);
}

.prod-header__inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
}

.prod-header__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--rojo);
  font-weight: 700;
  margin-bottom: var(--s4);
}

.prod-header__title {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin-bottom: var(--s4);
}

.prod-header__title em {
  font-style: normal;
  -webkit-text-stroke: 2px var(--blanco);
  color: transparent;
}

.prod-header__sub {
  font-size: var(--text-base);
  color: var(--gris-texto);
  letter-spacing: 0.04em;
  max-width: 600px;
}

/* Decoración tipográfica de fondo */
.prod-header__bg-word {
  position: absolute;
  right: -2%;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(5rem, 16vw, 14rem);
  font-weight: 900;
  letter-spacing: -0.06em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.03);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  z-index: 1;
}

/* ── BARRA DE NAVEGACIÓN DE CATEGORÍAS (ANCHORS) ── */
.prod-anchors {
  position: sticky;
  top: 68px;
  z-index: 200; /* Por encima del Sidebar (100) y debajo del Navbar global (1000) */
  background: var(--gris-1);
  border-bottom: 1px solid var(--gris-4);
  padding: var(--s3) var(--s8);
  overflow-x: auto;
  scroll-behavior: smooth;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.prod-anchors::-webkit-scrollbar {
  display: none;
}

.prod-anchors__list {
  display: flex;
  align-items: center;
  gap: var(--s2);
  max-width: 1200px;
  margin: 0 auto;
  list-style: none;
}

.prod-anchors__link {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  padding: var(--s2) var(--s4);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gris-texto);
  border-radius: 2px;
  transition: color 0.2s, background-color 0.2s;
  white-space: nowrap;
  text-decoration: none;
}

.prod-anchors__link:hover {
  color: var(--blanco);
  background: var(--gris-2);
}

/* ── CATÁLOGO PRINCIPAL ────────────────────── */
.prods-container {
  background: var(--negro);
  padding: var(--s16) var(--s8);
}

.prods-container__inner {
  max-width: 1200px;
  margin: 0 auto;
}

/* Título de categoría / sección */
.prod-category {
  margin-bottom: var(--s12);
  padding-top: var(--s4);
}

.prod-category:not(:first-child) {
  margin-top: var(--s16);
  border-top: 1px solid var(--gris-4);
  padding-top: var(--s12);
}

.prod-category__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--blanco);
  margin-bottom: var(--s8);
  display: flex;
  align-items: center;
  gap: var(--s4);
}

.prod-category__title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--gris-4) 0%, transparent 100%);
}

.prod-category__title i {
  color: var(--rojo);
  font-size: 0.8em;
}

/* ── GRID DE TARJETAS ──────────────────────── */
.prods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s8);
}

/* ── PRODUCT CARD ──────────────────────────── */
.prod-card {
  position: relative;
  background: var(--gris-1);
  border: 1px solid var(--gris-4);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out), transform 0.2s var(--ease-out);
}

.prod-card:hover {
  border-color: var(--rojo);
  box-shadow: 0 8px 40px rgba(204, 0, 0, 0.15);
  transform: translateY(-2px);
}

/* Contenedor del Placeholder de Imagen */
.prod-card__img {
  height: 240px;
  background: var(--negro);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--gris-4);
  overflow: hidden;
}

/* Fondo decorativo sutil en el placeholder */
.prod-card__img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
}

.prod-card__placeholder-icon {
  font-size: 3rem;
  color: var(--gris-5);
  margin-bottom: var(--s2);
  transition: color 0.25s, transform 0.3s var(--ease-spring);
}

.prod-card:hover .prod-card__placeholder-icon {
  color: var(--rojo-glow);
  transform: scale(1.1);
}

.prod-card__placeholder-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gris-texto);
  opacity: 0.6;
}

/* Imagen inyectada del producto */
.prod-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-out);
}

.prod-card:hover .prod-card__image {
  transform: scale(1.05);
}

/* Insignias especiales (ej. Regalo) */
.prod-card__badge {
  position: absolute;
  top: var(--s3);
  right: var(--s3);
  background: var(--rojo);
  color: var(--blanco);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 3px var(--s3);
  border-radius: 2px;
  z-index: 2;
}

.prod-card__badge--neutral {
  background: var(--gris-4);
  color: var(--gris-texto);
}

/* Cuerpo de la tarjeta */
.prod-card__body {
  padding: var(--s6) var(--s6);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--s4);
}

.prod-card__title {
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--blanco);
}

.prod-card__footer {
  padding-top: var(--s3);
  border-top: 1px solid var(--gris-3);
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--s2);
}

.prod-card__price {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--blanco);
  letter-spacing: -0.02em;
}

.prod-card__price--old {
  display: none !important;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gris-texto);
  text-decoration: line-through;
  margin-left: var(--s1);
}

.prod-card__status {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.prod-card__status--soldout {
  color: var(--rojo);
}

.prod-card__status--unavailable {
  color: var(--gris-texto);
  font-size: 0.75rem;
}

/* Botón de añadir a la cesta */
.btn-add-to-cart {
  width: 100%;
  margin-top: var(--s3);
  padding: var(--s3) var(--s4);
  background-color: var(--rojo);
  color: var(--blanco);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  transition: background-color 0.2s var(--ease-out), transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

.btn-add-to-cart i {
  font-size: 1.1em;
  transition: transform 0.2s var(--ease-spring);
}

.btn-add-to-cart:hover {
  background-color: var(--rojo-hover);
  box-shadow: 0 4px 15px var(--rojo-glow);
  transform: translateY(-1px);
}

.btn-add-to-cart:active {
  transform: translateY(0);
}

.btn-add-to-cart:hover i {
  transform: scale(1.15) rotate(-5deg);
}

/* ── LAYOUT PRINCIPAL CON SIDEBAR ──────────── */
.prods-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--s10);
  align-items: start;
}

/* ── SIDEBAR DE FILTROS ────────────────────── */
.prod-sidebar {
  position: sticky;
  top: 135px; /* Debajo de las anclas de categorías (top 68px + altura ~50px) + margen visual */
  background: var(--gris-1);
  border: 1px solid var(--gris-4);
  border-radius: 4px;
  padding: var(--s6);
  margin-right: var(--s2); /* Espaciado extra para no sentirse pegado a los productos */
  z-index: 100; /* Debajo del Navbar (1000) y de las anclas (200), pero superior a las tarjetas */
  max-height: calc(100vh - 150px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--gris-4) var(--gris-1);
}

.prod-sidebar::-webkit-scrollbar {
  width: 6px;
}
.prod-sidebar::-webkit-scrollbar-thumb {
  background-color: var(--gris-4);
  border-radius: 3px;
}

.prod-sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--s6);
  padding-bottom: var(--s4);
  border-bottom: 1px solid var(--gris-4);
}

.prod-sidebar__title {
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--blanco);
  display: flex;
  align-items: center;
  gap: var(--s2);
}

.prod-sidebar__clear {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gris-texto);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
  transition: color 0.2s var(--ease-out);
}

.prod-sidebar__clear:hover {
  color: var(--rojo);
}

/* Grupos de filtros */
.filter-group {
  margin-bottom: var(--s6);
}

.filter-group:not(:last-child) {
  padding-bottom: var(--s5);
  border-bottom: 1px solid var(--gris-3);
}

.filter-group__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blanco);
  margin-bottom: var(--s3);
}

/* Checkboxes personalizados (Custom Checkbox) */
.filter-options {
  display: flex;
  flex-direction: column;
  gap: var(--s3);
}

.filter-checkbox {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
  position: relative;
}

/* Ocultar input nativo preservando accesibilidad de tabulación */
.filter-checkbox input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

/* Contenedor del texto y cuadro de check */
.filter-checkbox span {
  display: inline-flex;
  align-items: center;
  gap: var(--s3);
  font-size: 0.9rem;
  color: var(--gris-texto);
  transition: color 0.2s var(--ease-out);
  position: relative;
}

/* Cuadro de check moderno de 18x18px */
.filter-checkbox span::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  background-color: var(--negro);
  border: 1px solid var(--gris-4);
  border-radius: 2px;
  transition: background-color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

/* Marca de check visual blanca (icono) */
.filter-checkbox span::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 3px;
  width: 5px;
  height: 10px;
  border: solid var(--blanco);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 0.2s var(--ease-spring);
  opacity: 0;
}

/* Efecto hover suave */
.filter-checkbox:hover span::before {
  border-color: var(--rojo-glow);
  background-color: var(--gris-2);
}

.filter-checkbox:hover span {
  color: var(--blanco);
}

/* Estado marcado (checked) */
.filter-checkbox input[type="checkbox"]:checked + span::before {
  background-color: var(--rojo);
  border-color: var(--rojo);
}

.filter-checkbox input[type="checkbox"]:checked + span::after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}

.filter-checkbox input[type="checkbox"]:checked + span {
  color: var(--blanco);
  font-weight: 700;
}

/* Rango de precios */
.filter-price-inputs {
  display: flex;
  align-items: center;
  gap: var(--s2);
}

.filter-price-field {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.filter-price-field span {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--gris-texto);
  font-weight: 700;
}

.filter-price-field input {
  width: 100%;
  padding: var(--s2) var(--s2);
  background: var(--negro);
  border: 1px solid var(--gris-4);
  border-radius: 2px;
  color: var(--blanco);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
}

.filter-price-field input:focus {
  outline: none;
  border-color: var(--rojo);
}

.filter-price-sep {
  color: var(--gris-5);
  font-weight: 800;
  padding-top: 14px;
}

/* Estado de resultados en sidebar */
.prod-sidebar__count {
  font-size: 0.75rem;
  color: var(--rojo);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--s2);
  display: block;
}

/* Botón flotante para móviles */
.prod-filters-toggle {
  display: none;
  position: fixed;
  bottom: calc(64px + var(--s4) + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  background: var(--rojo);
  color: var(--blanco);
  border: none;
  border-radius: 50px;
  padding: var(--s3) var(--s6);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 0 2px rgba(255, 255, 255, 0.1);
  cursor: pointer;
  align-items: center;
  gap: var(--s2);
}

/* Overlay para el modal de filtros en móvil */
.prod-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  z-index: 70;
  opacity: 0;
  transition: opacity 0.3s;
}

/* ── RESPONSIVE ────────────────────────────── */
@media (max-width: 1024px) {
  .prods-layout {
    grid-template-columns: 220px 1fr;
    gap: var(--s5);
  }
  
  .prods-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--s6);
  }
}

@media (max-width: 900px) {
  .prods-layout {
    grid-template-columns: 1fr;
  }
  
  .prod-filters-toggle {
    display: inline-flex;
  }
  
  /* Sidebar offcanvas en móviles */
  .prod-sidebar {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 75;
    max-height: 85vh;
    border-radius: 16px 16px 0 0;
    border: none;
    border-top: 1px solid var(--gris-4);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    padding: var(--s6) var(--s6) var(--s12);
  }
  
  .prod-sidebar--open {
    transform: translateY(0);
  }
  
  .prod-sidebar-overlay--active {
    display: block;
    opacity: 1;
  }
  
  .prod-sidebar__close {
    display: flex;
    background: var(--gris-3);
    color: var(--blanco);
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 0.9rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
  }
}

@media (min-width: 901px) {
  .prod-sidebar__close {
    display: none;
  }
}

@media (max-width: 640px) {
  .prod-header__title {
    font-size: clamp(2.2rem, 9vw, 3rem);
  }

  .prods-container {
    padding: var(--s10) var(--s4);
  }

  .prods-grid {
    grid-template-columns: 1fr;
    gap: var(--s5);
  }
   .prod-card__img {
    height: auto;
    aspect-ratio: auto;
  }

  .prod-card__image {
    height: auto;
    object-fit: contain;
  }
}