/* ==========================================================================
   JOYERÍA GRANO DE ORO — SISTEMA DE DISEÑO RESPONSIVE FLUIDO CONTINUO
   Arquitectura: Mobile-First, Matemáticas Fluidas (clamp, minmax, auto-fill)
   Garantía: Cero saltos bruscos ("Efecto Escalera"), Cero Overflow Horizontal
   Soporte: 320px hasta 2560px+ (Smartphones, Tablets, Laptops, 4K y Ultrawide)
   ========================================================================== */

:root {
  /* Paleta Oficial Institucional */
  --negro-clasico: #000000;
  --oro-real: #f7cf0b;
  --topacio-dorado: #df8b05;
  --blanco-puro: #ffffff;
  
  /* Tonos Secundarios y Fondos */
  --texto-secundario: #555555;
  --texto-apagado: #888888;
  --fondo-suave: #fafafa;
  --fondo-oscuro: #0a0a0a;
  --borde-suave: rgba(223, 139, 5, 0.28);
  --borde-tarjeta: rgba(223, 139, 5, 0.35);
  
  /* Sombras y Elevaciones */
  --sombra-lujo: 0 10px 25px -4px rgba(0, 0, 0, 0.1), 0 6px 12px -4px rgba(223, 139, 5, 0.12);
  --sombra-card-hover: 0 16px 32px -4px rgba(0, 0, 0, 0.14), 0 8px 18px -4px rgba(223, 139, 5, 0.2);
  --transicion-suave: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Dimensiones y Espaciados Fluidos (Sin Saltos Bruscos) */
  --header-height: clamp(62px, 6vw + 20px, 76px);
  --container-max-width: 1400px;
  --container-padding: clamp(12px, 3.5vw, 32px);
}

/* ==========================================================================
   RESET GLOBAL & BOX-SIZING ESTRICTO
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--blanco-puro);
  color: var(--negro-clasico);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  min-height: -webkit-fill-available;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  width: 100%;
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}

/* Tipografías */
.font-serif-luxury {
  font-family: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
}

.font-poppins {
  font-family: 'Poppins', sans-serif;
}

/* Usabilidad Táctil y Accesibilidad */
button, a, select, input {
  touch-action: manipulation;
  font-family: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   TOP BAR (REDES SOCIALES & ATENCIÓN)
   ========================================================================== */
.top-bar {
  background-color: var(--negro-clasico);
  color: var(--blanco-puro);
  font-size: clamp(10px, 1.8vw, 11.5px);
  border-bottom: 1px solid rgba(223, 139, 5, 0.2);
  padding-block: 6px;
  padding-inline: var(--container-padding);
  width: 100%;
}

.top-bar-inner {
  max-width: var(--container-max-width);
  margin-inline: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.social-links {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 2.5vw, 24px);
  margin-inline: auto;
}

.social-link {
  color: var(--blanco-puro);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: clamp(11px, 1.6vw, 12px);
  font-weight: 500;
  letter-spacing: 0.3px;
  opacity: 0.9;
  padding: 4px 6px;
  min-height: 28px;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.social-link svg {
  width: 14px;
  height: 14px;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  stroke: currentColor;
  transition: color 0.2s ease;
}

.social-link:hover, .social-link:active {
  color: var(--oro-real);
  opacity: 1;
}

.social-divider {
  color: var(--texto-secundario);
  opacity: 0.4;
  user-select: none;
  font-size: 11px;
}

/* Top bar institucional de producto.html */
.top-bar-wa {
  color: var(--oro-real);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  padding: 4px 6px;
  min-height: 30px;
  transition: var(--transicion-suave);
}

.top-bar-wa:hover, .top-bar-wa:active {
  color: var(--blanco-puro);
}

/* ==========================================================================
   SITE HEADER & NAVEGACIÓN
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--negro-clasico);
  color: var(--blanco-puro);
  border-bottom: 1px solid var(--topacio-dorado);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  width: 100%;
}

.header-container {
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(8px, 2vw, 16px);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  background: transparent;
  padding: 0;
  border: none;
  flex-shrink: 0;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.brand-link:hover, .brand-link:active {
  transform: scale(1.03);
  filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.8));
}

.brand-logo-img {
  height: clamp(42px, 6vw, 66px);
  max-height: 66px;
  width: auto;
  max-width: clamp(90px, 22vw, 150px);
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.6));
  display: block;
}

/* Nav Categorías Principal (Desktop >= 1024px) */
.header-nav {
  display: none;
  align-items: center;
  gap: clamp(2px, 0.6vw, 6px);
  flex-wrap: wrap;
}

.nav-link {
  color: var(--blanco-puro);
  text-decoration: none;
  font-size: clamp(11px, 0.95vw, 12.5px);
  font-weight: 500;
  padding: 6px clamp(10px, 1.1vw, 16px);
  border-radius: 9999px;
  border: 1px solid transparent;
  transition: var(--transicion-suave);
  white-space: nowrap;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
}

.nav-link:hover {
  color: var(--oro-real);
  border-color: rgba(223, 139, 5, 0.3);
}

.nav-link.active {
  background-color: var(--oro-real);
  color: var(--negro-clasico);
  font-weight: 700;
  border-color: var(--topacio-dorado);
}

/* Botones de Acción Header */
.header-actions {
  display: flex;
  align-items: center;
  gap: clamp(6px, 1.5vw, 10px);
  flex-shrink: 0;
}

.btn-header-search {
  background: transparent;
  color: var(--blanco-puro);
  border: 1px solid var(--topacio-dorado);
  border-radius: 9999px;
  padding: 7px 14px;
  font-size: 12px;
  cursor: pointer;
  display: none;
  align-items: center;
  gap: 6px;
}

.btn-cart-trigger {
  position: relative;
  background-color: var(--oro-real);
  color: var(--negro-clasico);
  border: 1px solid var(--topacio-dorado);
  padding: 8px clamp(10px, 1.8vw, 16px);
  border-radius: 9999px;
  font-size: clamp(11px, 1.8vw, 12.5px);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  min-height: 42px;
  transition: var(--transicion-suave);
  box-shadow: 0 2px 8px rgba(247, 207, 11, 0.3);
  white-space: nowrap;
}

.btn-cart-trigger:hover, .btn-cart-trigger:active {
  background-color: var(--topacio-dorado);
  color: var(--blanco-puro);
}

.cart-count-badge {
  background-color: var(--negro-clasico);
  color: var(--oro-real);
  font-size: 10px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--topacio-dorado);
}

.mobile-menu-toggle {
  display: inline-flex;
  background: none;
  border: 1.5px solid var(--topacio-dorado);
  color: var(--oro-real);
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  min-width: 42px;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  transition: var(--transicion-suave);
}

.mobile-menu-toggle:active {
  background-color: rgba(247, 207, 11, 0.15);
}

/* Menu Móvil Desplegable */
.mobile-nav {
  display: none;
  background-color: var(--fondo-oscuro);
  border-top: 1px solid var(--topacio-dorado);
  padding-block: 12px 18px;
  padding-inline: var(--container-padding);
  animation: slideDownNav 0.25s ease forwards;
}

@keyframes slideDownNav {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobile-nav.open {
  display: block;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  color: var(--blanco-puro);
  text-decoration: none;
  padding: 12px 14px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  margin-bottom: 3px;
  min-height: 44px;
  transition: var(--transicion-suave);
}

.mobile-nav-link:hover, .mobile-nav-link:active {
  background-color: var(--topacio-dorado);
  color: var(--negro-clasico);
  font-weight: 700;
}

/* ==========================================================================
   HERO BANNER & BUSCADOR
   ========================================================================== */
.hero-section {
  background-color: var(--negro-clasico);
  color: var(--blanco-puro);
  padding-block: clamp(18px, 3.5vw, 32px);
  padding-inline: var(--container-padding);
  border-bottom: 2px solid var(--topacio-dorado);
  position: relative;
  overflow: hidden;
  width: 100%;
}

.hero-grid {
  max-width: var(--container-max-width);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 3vw, 32px);
  align-items: center;
  min-width: 0;
}

.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  margin-inline: auto;
}

.hero-brand {
  margin-bottom: 8px;
  width: 100%;
  max-width: 100%;
  display: flex;
  justify-content: center;
}

.hero-logo-img {
  width: 100% !important;
  max-width: min(320px, 85vw) !important;
  height: auto !important;
  max-height: clamp(65px, 12vw, 115px) !important;
  object-fit: contain !important;
  object-position: center !important;
  filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.7));
  display: block !important;
  margin-inline: auto !important;
}

.hero-brand-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(24px, 4vw, 36px);
  font-style: italic;
  font-weight: 700;
  color: var(--oro-real);
  line-height: 1.1;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
  text-align: center;
}

.hero-brand-sub {
  font-size: clamp(8.5px, 1.5vw, 9.5px);
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--blanco-puro);
  display: block;
  margin-top: 2px;
  text-align: center;
}

.hero-title {
  font-size: clamp(15px, 3.2vw, 17.5px);
  font-weight: 700;
  color: var(--blanco-puro);
  margin-top: 6px;
  letter-spacing: -0.2px;
  max-width: 100%;
  text-align: center;
}

.hero-description {
  font-size: clamp(11.5px, 2.2vw, 13px);
  line-height: 1.6;
  color: #dddddd;
  max-width: 520px;
  margin: 4px auto 0 auto;
  opacity: 0.9;
  text-align: center;
}

.hero-right {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  align-items: center;
  margin-inline: auto;
}

.hero-wa-direct {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  color: var(--oro-real) !important;
  font-size: clamp(12px, 2.2vw, 13.5px) !important;
  font-weight: 700 !important;
  text-decoration: none !important;
  padding: 6px 0 !important;
  transition: var(--transicion-suave);
  min-height: 38px;
  width: auto !important;
  max-width: 100% !important;
  white-space: normal !important;
  align-self: center !important;
  margin-inline: auto !important;
}

.hero-wa-direct:hover, .hero-wa-direct:active {
  color: var(--blanco-puro);
}

/* Buscador Hero Card Integrado */
.search-card {
  background-color: var(--blanco-puro);
  color: var(--negro-clasico);
  padding: clamp(14px, 3vw, 22px) !important;
  border-radius: 16px;
  border: 1.5px solid var(--topacio-dorado);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  box-sizing: border-box !important;
  margin-inline: auto;
}

.search-label {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(16px, 3vw, 20px);
  font-weight: 700;
  color: var(--topacio-dorado);
  display: block;
  margin-bottom: 8px;
  text-align: center;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 14px;
  color: var(--negro-clasico);
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 46px;
  padding-left: 42px;
  padding-right: 14px;
  border: 1.5px solid var(--topacio-dorado);
  border-radius: 10px;
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  color: var(--negro-clasico);
  background-color: var(--blanco-puro);
  outline: none;
  transition: var(--transicion-suave);
}

.search-input:focus {
  border-color: var(--negro-clasico);
  box-shadow: 0 0 0 3px rgba(247, 207, 11, 0.3);
}

.search-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: clamp(10px, 2vw, 11px);
  margin-top: 8px;
  color: var(--texto-secundario);
  flex-wrap: wrap;
  gap: 4px;
  width: 100%;
}

/* ==========================================================================
   CONTENIDO PRINCIPAL & FILTROS
   ========================================================================== */
.main-content {
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-block: clamp(16px, 3vw, 28px);
  padding-inline: var(--container-padding);
  width: 100%;
  flex: 1;
}

.filters-bar {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 2vw, 16px);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--borde-suave);
  margin-bottom: 16px;
  width: 100%;
}

.category-chips {
  display: flex;
  align-items: center;
  gap: clamp(6px, 1.2vw, 8px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-block: 4px;
  width: 100%;
  flex-wrap: nowrap;
}

.category-chips::-webkit-scrollbar {
  display: none;
}

.chip-btn {
  background-color: var(--blanco-puro);
  color: var(--negro-clasico);
  border: 1px solid rgba(223, 139, 5, 0.4);
  padding: 8px clamp(12px, 1.8vw, 18px);
  border-radius: 9999px;
  font-size: clamp(11px, 1.8vw, 12px);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transicion-suave);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03);
}

.chip-btn:hover, .chip-btn.active, .chip-btn:active {
  background-color: var(--negro-clasico);
  color: var(--oro-real);
  border-color: var(--topacio-dorado);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
}

.material-select-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  width: 100%;
}

.material-select {
  flex: 1;
  height: 42px;
  padding: 0 14px;
  border-radius: 9999px;
  border: 1.5px solid var(--topacio-dorado);
  background-color: var(--blanco-puro);
  color: var(--negro-clasico);
  font-family: 'Poppins', sans-serif;
  font-size: clamp(11.5px, 1.8vw, 12.5px);
  font-weight: 600;
  outline: none;
  cursor: pointer;
  min-width: 0;
  transition: var(--transicion-suave);
}

.material-select:focus {
  border-color: var(--negro-clasico);
}

.results-count-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: clamp(11px, 2vw, 12px);
  color: var(--negro-clasico);
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 6px;
}

/* ==========================================================================
   GRILLA FLUIDA CONTINUA (SIN EFECTO ESCALERA)
   ========================================================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr));
  gap: clamp(14px, 2vw, 24px);
  width: 100%;
}

.product-card {
  background-color: var(--blanco-puro);
  border: 1.5px solid var(--borde-tarjeta);
  padding: clamp(12px, 2vw, 18px);
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transicion-suave);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  width: 100%;
  box-sizing: border-box;
  min-width: 0;
}

.product-card:hover {
  border-color: var(--topacio-dorado);
  box-shadow: var(--sombra-card-hover);
  transform: translateY(-2px);
}

.product-image-container {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(223, 139, 5, 0.2);
  margin-bottom: 12px;
  background-color: #fafafa;
  width: 100%;
}

.product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.4s ease;
}

.product-card:hover .product-image {
  transform: scale(1.04);
}

.code-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background-color: var(--negro-clasico);
  color: var(--oro-real);
  font-family: monospace;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--topacio-dorado);
  letter-spacing: 0.08em;
  z-index: 2;
}

.stock-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  font-size: 9.5px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--topacio-dorado);
  z-index: 2;
}

.stock-badge.disponible {
  background-color: var(--oro-real);
  color: var(--negro-clasico);
}

.stock-badge.agotado {
  background-color: var(--negro-clasico);
  color: var(--blanco-puro);
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--texto-secundario);
  margin-top: 2px;
}

.card-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(17px, 2.8vw, 20.5px);
  font-weight: 700;
  color: var(--negro-clasico);
  margin-top: 4px;
  line-height: 1.25;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.card-title a {
  color: inherit;
  text-decoration: none;
  transition: var(--transicion-suave);
}

.card-title a:hover, .card-title a:active {
  color: var(--topacio-dorado);
}

.card-material {
  font-size: 12px;
  color: var(--texto-secundario);
  margin-top: 3px;
}

.product-image-placeholder {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  background-color: #fafafa;
  background-image: radial-gradient(var(--borde-suave) 1px, transparent 0);
  background-size: 16px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  text-align: center;
}

.card-footer {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--borde-suave);
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.btn-wa-card {
  height: 42px;
  min-height: 42px;
  background-color: var(--oro-real);
  color: var(--negro-clasico);
  border: 1px solid var(--topacio-dorado);
  border-radius: 9px;
  font-size: clamp(11px, 1.8vw, 12px);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  text-decoration: none;
  transition: var(--transicion-suave);
  box-shadow: 0 2px 5px rgba(247, 207, 11, 0.2);
  min-width: 0;
}

.btn-wa-card:hover, .btn-wa-card:active {
  background-color: var(--topacio-dorado);
  color: var(--blanco-puro);
}

.btn-select-card {
  height: 42px;
  min-height: 42px;
  background-color: var(--negro-clasico);
  color: var(--blanco-puro);
  border: 1px solid var(--negro-clasico);
  border-radius: 9px;
  font-size: clamp(11px, 1.8vw, 12px);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  transition: var(--transicion-suave);
  min-width: 0;
}

.btn-select-card:hover, .btn-select-card:active {
  background-color: var(--topacio-dorado);
  color: var(--blanco-puro);
  border-color: var(--topacio-dorado);
}

/* ==========================================================================
   PAGINACIÓN FLUIDA
   ========================================================================= */
.pagination-container {
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: clamp(16px, 3vw, 24px);
  border-top: 1px solid var(--borde-suave);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 2vw, 16px);
  width: 100%;
}

.pagination-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-pagination {
  padding: 8px clamp(10px, 1.8vw, 16px);
  font-size: clamp(11px, 1.8vw, 12px);
  font-weight: 700;
  background-color: var(--blanco-puro);
  color: var(--negro-clasico);
  border: 1.5px solid var(--topacio-dorado);
  border-radius: 9999px;
  cursor: pointer;
  min-height: 40px;
  transition: var(--transicion-suave);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.04);
}

.btn-pagination:hover:not(:disabled), .btn-pagination:active:not(:disabled) {
  background-color: var(--oro-real);
  border-color: var(--topacio-dorado);
}

.btn-pagination:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.pagination-input {
  width: 54px;
  height: 38px;
  text-align: center;
  border: 1.5px solid var(--negro-clasico);
  border-radius: 8px;
  font-family: monospace;
  font-weight: 700;
  font-size: 13px;
  outline: none;
}

/* ==========================================================================
   CARRITO / DRAWER SLIDE-OVER
   ========================================================================== */
.cart-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background-color: rgba(0, 0, 0, 0.65);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  display: flex;
  justify-content: flex-end;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.cart-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.cart-drawer {
  width: 100%;
  max-width: min(440px, 100vw);
  height: 100vh;
  height: 100dvh;
  background-color: var(--blanco-puro);
  border-left: 2px solid var(--topacio-dorado);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -10px 0 35px rgba(0, 0, 0, 0.35);
}

.cart-overlay.open .cart-drawer {
  transform: translateX(0);
}

.cart-header {
  background-color: var(--negro-clasico);
  color: var(--blanco-puro);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--topacio-dorado);
  flex-shrink: 0;
}

.cart-header-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(18px, 4vw, 22px);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-close-cart {
  background: none;
  border: none;
  color: var(--blanco-puro);
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  min-height: 42px;
  transition: var(--transicion-suave);
}

.btn-close-cart:hover, .btn-close-cart:active {
  background-color: var(--topacio-dorado);
}

.cart-body {
  padding: 16px;
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.empty-cart-view {
  text-align: center;
  padding: 48px 16px;
  color: var(--texto-secundario);
}

.empty-cart-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 21px;
  font-weight: 700;
  color: var(--negro-clasico);
  margin: 12px 0 6px 0;
}

.cart-item {
  border: 1.5px solid var(--topacio-dorado);
  padding: 10px 12px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  background-color: var(--blanco-puro);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.cart-item-img {
  width: 54px;
  height: 54px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(223, 139, 5, 0.2);
  flex-shrink: 0;
}

.cart-item-details {
  flex: 1;
  min-width: 0;
}

.cart-item-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--negro-clasico);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-remove-item {
  background: none;
  border: none;
  color: var(--negro-clasico);
  cursor: pointer;
  padding: 8px;
  min-width: 40px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transicion-suave);
}

.btn-remove-item:hover, .btn-remove-item:active {
  color: #ef4444;
}

.cart-footer {
  padding: 16px 20px;
  border-top: 2px solid var(--topacio-dorado);
  background-color: var(--blanco-puro);
  flex-shrink: 0;
}

.btn-wa-checkout {
  width: 100%;
  height: 50px;
  min-height: 50px;
  background-color: var(--oro-real);
  color: var(--negro-clasico);
  border: 1px solid var(--topacio-dorado);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(247, 207, 11, 0.3);
  transition: var(--transicion-suave);
}

.btn-wa-checkout:hover, .btn-wa-checkout:active {
  background-color: var(--topacio-dorado);
  color: var(--blanco-puro);
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 16px;
  right: 16px;
  left: 16px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  max-width: min(400px, calc(100vw - 32px));
  margin-inline: auto;
}

.toast {
  background-color: var(--negro-clasico);
  color: var(--blanco-puro);
  border: 1.5px solid var(--topacio-dorado);
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 12.5px;
  font-weight: 500;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  pointer-events: auto;
  animation: slideInToast 0.3s ease forwards;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast-success { border-color: var(--oro-real); }
.toast-info { border-color: var(--topacio-dorado); }

@keyframes slideInToast {
  from { transform: translateY(16px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ==========================================================================
   DETALLE DE PRODUCTO (PÁGINA DE ATELIER — producto.html)
   ========================================================================== */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 36px);
  align-items: start;
  width: 100%;
}

.gallery-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  width: 100%;
}

.thumbnails-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
}

.thumb-btn {
  width: clamp(56px, 10vw, 72px);
  height: clamp(56px, 10vw, 72px);
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid var(--borde-tarjeta);
  cursor: pointer;
  background: none;
  padding: 0;
  transition: var(--transicion-suave);
  flex-shrink: 0;
}

.thumb-btn.active {
  border-color: var(--topacio-dorado);
  box-shadow: 0 0 0 2px var(--oro-real);
}

.thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.main-image-frame {
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  overflow: hidden;
  border: 2px solid var(--topacio-dorado);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  background-color: var(--blanco-puro);
  width: 100%;
}

.main-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-info-card {
  background-color: var(--blanco-puro);
  border: 2px solid var(--topacio-dorado);
  padding: clamp(16px, 4vw, 32px);
  border-radius: 20px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  width: 100%;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  background-color: var(--blanco-puro);
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--topacio-dorado);
  margin: 18px 0;
  font-size: 11.5px;
}

.spec-item-label { color: var(--texto-secundario); display: block; font-size: 10.5px; }
.spec-item-value { font-weight: 700; color: var(--negro-clasico); font-size: 13px; margin-top: 2px; }

/* ==========================================================================
   BREAKPOINTS ESTRUCTURALES (SOLO REORGANIZACIONES REALES)
   ========================================================================== */

/* 1. TABLET & DESKTOP (>= 768px): Filtros en Fila & Galería Vertical */
@media (min-width: 768px) {
  .filters-bar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .category-chips {
    flex-wrap: wrap;
    overflow-x: visible;
    width: auto;
  }

  .material-select-group {
    width: auto;
  }

  .material-select {
    width: clamp(180px, 18vw, 220px);
    flex: none;
  }

  .pagination-container {
    flex-direction: row;
    justify-content: space-between;
  }

  .gallery-wrapper {
    grid-template-columns: 80px 1fr;
  }

  .thumbnails-list {
    flex-direction: column;
    overflow-x: visible;
  }

  .thumb-btn {
    width: 80px;
    height: 80px;
  }

  .toast-container {
    left: auto;
  }
}

/* 2. LAPTOPS & DESKTOPS (>= 1024px): Menú Header Visible & Hero 2 Columnas */
@media (min-width: 1024px) {
  .header-nav {
    display: flex;
  }

  .mobile-menu-toggle {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: clamp(24px, 3vw, 40px);
    align-items: center;
  }

  .hero-left {
    align-items: flex-start;
    text-align: left;
    margin-inline: 0;
  }

  .hero-brand {
    justify-content: flex-start;
    margin: 0 0 8px 0;
  }

  .hero-logo-img {
    margin-inline: 0 !important;
    object-position: left center !important;
    max-width: 380px !important;
  }

  .hero-title, .hero-brand-name, .hero-brand-sub {
    text-align: left;
  }

  .hero-description {
    text-align: left;
    margin: 6px 0 0 0;
  }

  .hero-right {
    align-items: flex-end;
    margin-inline: 0;
  }

  .hero-wa-direct {
    align-self: flex-end !important;
    margin: 0 0 0 auto !important;
    justify-content: flex-end !important;
  }

  .product-detail-grid {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
  }
}

/* 3. MÓVILES ULTRA COMPACTOS (< 360px: Galaxy Fold cerrado, etc.) */
@media (max-width: 359px) {
  .header-container {
    padding-inline: 8px;
    gap: 4px;
  }

  .brand-logo-img {
    max-width: 88px;
  }

  .btn-cart-trigger span.hidden-mobile {
    display: none;
  }

  .card-actions {
    grid-template-columns: 1fr;
  }

  .card-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }
}

/* 4. ORIENTACIÓN LANDSCAPE EN MÓVILES (Altura reducida < 500px) */
@media (max-height: 500px) and (orientation: landscape) {
  .hero-section {
    padding-block: 12px;
  }

  .hero-logo-img {
    max-height: 55px !important;
  }

  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .cart-drawer {
    height: 100vh;
  }
}