@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600&family=Montserrat:wght@300;400;500;600&display=swap');

/* Declaración de Tipografía de Autor (Argesta) */
@font-face {
  font-family: 'Argesta';
  src: url('assets/fonts/ArgestaDisplay-Regular.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Argesta';
  src: url('assets/fonts/ArgestaDisplay-RegularItalic.otf') format('opentype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

/* ==========================================================================
   CSS VARIABLES & DESIGN SYSTEM (Estilo Artesta Nórdico - Laura Manzano)
   ========================================================================== */
:root {
  /* Paleta de Colores Natural y Neutra */
  --bg-primary: #f9f8f6;       /* Blanco cálido de galería, orgánico y suave */
  --bg-secondary: #ffffff;     /* Blanco puro para paneles y tarjetas */
  --text-primary: #1a1a1a;     /* Carbón profundo para máxima elegancia */
  --text-secondary: #767676;   /* Gris medio para metadatos y descripciones */
  --text-light: #9e9e9e;       /* Gris claro para textos secundarios */
  --border-color: #e5e3df;     /* Gris piedra suave para divisorias finas */
  --accent-color: #8c7b70;     /* Arcilla/tierra para detalles especiales */
  --accent-hover: #5a4e46;     /* Arcilla oscura para interacciones */
  --accent-soft: #f2efeb;      /* Fondo suave de arcilla */
  --avail-color: #5b7a61;      /* Verde musgo suave para "Disponible" */
  --sold-color: #b05c5c;       /* Arcilla rojiza para "Vendido" */
  --whatsapp-color: #20ba5a;   /* Verde WhatsApp elegante, no chillón */

  /* Fuentes */
  --font-serif: 'Argesta', 'Cinzel', serif;
  --font-sans: 'Montserrat', sans-serif;

  /* Espaciado Fluido */
  --space-xs: clamp(0.25rem, 1vw, 0.5rem);
  --space-sm: clamp(0.5rem, 2vw, 1rem);
  --space-md: clamp(1rem, 3vw, 2rem);
  --space-lg: clamp(2rem, 5vw, 4rem);
  --space-xl: clamp(3rem, 8vw, 6rem);

  /* Transiciones y Sombras */
  --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-fast: all 0.2s ease;
  
  /* Sombra 3D para el Lienzo Físico (Canvas) */
  --shadow-canvas: 
    0 2px 4px rgba(0, 0, 0, 0.04),
    0 10px 25px rgba(26, 26, 26, 0.07),
    0 20px 45px rgba(26, 26, 26, 0.05);
  --shadow-canvas-hover: 
    0 4px 8px rgba(0, 0, 0, 0.05),
    0 15px 35px rgba(26, 26, 26, 0.1),
    0 30px 65px rgba(26, 26, 26, 0.08);
  
  --shadow-ui: 0 4px 30px rgba(0, 0, 0, 0.03);
}

/* ==========================================================================
   RESET & CONFIGURACIÓN BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  width: 100%;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  color: inherit;
  transition: var(--transition-fast);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  padding: 0.8rem 1rem;
  width: 100%;
  transition: var(--transition-fast);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--text-primary);
}

/* ==========================================================================
   ESTRUCTURA DE CABECERA (CORRECCIÓN DE Capas/Blur)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 150; /* Aumentado para estar por encima del blur de fondo */
  border-bottom: 1px solid transparent;
  transition: var(--transition-smooth);
  background-color: rgba(249, 248, 246, 0.01);
}

.site-header.scrolled {
  background-color: rgba(249, 248, 246, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding-block: 0.8rem;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.2rem var(--space-md);
  display: flex;
  justify-content: flex-end;
  align-items: center;
  position: relative;
}

.site-logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-serif);
  font-size: clamp(1rem, 4vw, 1.3rem);
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.nav-toggle-btn {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 20px;
  height: 14px;
  margin-right: auto;
  z-index: 160; /* Delante del menú */
}

.nav-toggle-btn span {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--text-primary);
  transition: var(--transition-fast);
}

.nav-toggle-btn.active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle-btn.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle-btn.active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.cart-icon-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.cart-icon-btn svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.2;
}

.cart-count {
  position: absolute;
  top: 5px;
  right: 5px;
  background-color: var(--text-primary);
  color: var(--bg-primary);
  font-size: 0.65rem;
  font-weight: 600;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  opacity: 0;
  transform: scale(0);
}

.cart-count.active {
  opacity: 1;
  transform: scale(1);
}

/* Menú lateral táctil de Navegación */
.nav-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 8rem 2.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  z-index: 155; /* Encima del overlay pero abajo del botón toggle */
  transform: translateX(-100%);
  transition: var(--transition-smooth);
  visibility: hidden; /* Evita que la sombra sangre en la pantalla si está inactivo */
  pointer-events: none;
}

.nav-menu.active {
  transform: translateX(0);
  visibility: visible;
  pointer-events: all;
  box-shadow: 20px 0 50px rgba(0,0,0,0.02);
}

.nav-link {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.nav-link:hover {
  color: var(--accent-color);
  padding-left: 5px;
}

/* Overlay para difuminar el FONDO de la web, dejando el MENÚ intacto */
.nav-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(26, 26, 26, 0.1);
  backdrop-filter: blur(8px); /* Blur en el fondo de la página */
  -webkit-backdrop-filter: blur(8px);
  z-index: 120; /* DETRÁS del Header y del menú lateral */
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.nav-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   SECCIÓN HERO (ELEGANCIA Y ESPACIO NEGATIVO)
   ========================================================================== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 8rem var(--space-md) 4rem;
  position: relative;
  overflow: hidden;
  background-color: var(--bg-primary);
}

.hero-content {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-subtitle {
  font-size: clamp(0.75rem, 2.5vw, 0.9rem);
  text-transform: uppercase;
  letter-spacing: 0.35em;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
  display: inline-block;
  font-weight: 500;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 8vw, 4.2rem);
  line-height: 1.15;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 2rem;
  text-transform: uppercase;
}

.hero-title span {
  display: block;
  font-size: 0.65em;
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-top: 0.5rem;
  color: var(--text-secondary);
}

.hero-description {
  max-width: 600px;
  margin: 0 auto 3rem;
  color: var(--text-secondary);
  font-size: clamp(0.95rem, 3vw, 1.1rem);
  font-weight: 300;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-radius: 1px;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--text-primary);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--text-primary);
}

.btn-secondary {
  border: 1px solid var(--border-color);
  background-color: transparent;
  color: var(--text-primary);
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  background-color: var(--accent-soft);
}

.btn-whatsapp {
  background-color: var(--whatsapp-color);
  color: #ffffff;
  border: 1px solid var(--whatsapp-color);
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}

.btn-whatsapp:hover {
  background-color: #1aa34e;
  border-color: #1aa34e;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(32, 186, 90, 0.25);
}

.btn-whatsapp svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ==========================================================================
   SECCIÓN CATÁLOGO & FILTROS
   ========================================================================== */
.catalog-section {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--border-color);
}

.catalog-container {
  max-width: 1400px;
  margin: 0 auto;
  padding-inline: var(--space-md);
}

/* Controles de Filtrado Premium */
.filter-controls {
  position: relative; /* CRITICAL for absolute positioning of popover */
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: var(--space-lg);
  background: transparent;
  padding: 0;
  border: none;
  box-shadow: none;
  z-index: 110; /* Stack above 3D grids */
}

/* Fila Superior: Buscador y Botón Toggle */
.filter-top-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: center;
  border-bottom: none;
  padding-bottom: 0;
  transition: var(--transition-fast);
}

@media (min-width: 768px) {
  .filter-top-row {
    grid-template-columns: 1fr auto;
    gap: 2rem;
  }
}

.filter-controls.open .filter-top-row {
  border-bottom: none;
  padding-bottom: 0;
}

/* Buscador textual */
.search-wrapper {
  position: relative;
  width: 100%;
}

.search-wrapper svg {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: var(--text-light);
  pointer-events: none;
}

.search-input-field {
  padding: 0.75rem 0.5rem 0.75rem 1.75rem;
  border: none;
  border-bottom: 1px solid var(--border-color);
  background-color: transparent;
  font-size: 0.85rem;
  border-radius: 0;
  transition: var(--transition-fast);
  color: var(--text-primary);
}

.search-input-field:focus {
  outline: none;
  border-bottom-color: var(--text-primary);
  background-color: transparent;
  box-shadow: none;
}

/* Botón Toggle de Filtros Avanzados */
.filter-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 0.5rem;
  border: none;
  background-color: transparent;
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: var(--transition-fast);
  cursor: pointer;
}

.filter-toggle-btn:hover {
  color: var(--accent-color);
}

.filter-toggle-btn .icon-filter,
.filter-toggle-btn .icon-chevron {
  width: 14px;
  height: 14px;
  transition: transform 0.3s ease;
}

.filter-controls.open .filter-toggle-btn .icon-chevron {
  transform: rotate(180deg);
}

/* Contenido Desplegable Flotante (Popover de alta gama) */
.filter-floating-panel {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 2px;
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.08);
  padding: var(--space-md);
  z-index: 120;
  
  /* Estado Cerrado */
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.3s cubic-bezier(0.25, 1, 0.5, 1), transform 0.3s cubic-bezier(0.25, 1, 0.5, 1), visibility 0.3s ease;
}

.filter-controls.open .filter-floating-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.filter-panel-actions {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.btn-clear-text {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 4px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: var(--transition-fast);
}

.btn-clear-text:hover {
  color: var(--text-primary);
}

.btn-apply {
  padding: 0.75rem 2rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
}

/* Selector de Ordenación */
.sort-select {
  padding: 0.75rem 2rem 0.75rem 1rem;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  font-size: 0.8rem;
  border-radius: 1px;
  cursor: pointer;
  transition: var(--transition-fast);
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23767676' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 0.9rem;
}

.sort-select:focus {
  border-color: var(--text-primary);
  background-color: var(--bg-secondary);
}

/* Grid de Filtros Inferior */
.filter-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem 1rem;
}

@media (min-width: 580px) {
  .filter-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .filter-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1200px) {
  .filter-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-light);
  font-weight: 600;
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.filter-btn {
  padding: 0.4rem 0.9rem;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--border-color);
  border-radius: 30px;
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  white-space: nowrap;
}

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

.filter-btn.active {
  background-color: var(--text-primary);
  border-color: var(--text-primary);
  color: var(--bg-primary);
}

/* Slider de Precio */
.price-slider-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  grid-column: 1 / -1; /* Ocupa toda la anchura en móvil */
}

@media (min-width: 580px) {
  .price-slider-group {
    grid-column: span 2; /* Ocupa 2 columnas en pantallas medianas */
  }
}

@media (min-width: 1024px) {
  .price-slider-group {
    grid-column: span 1; /* Ocupa su propia columna en escritorio */
  }
}

.price-slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.price-slider-value {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-color);
}

.price-range-input {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  background: var(--border-color);
  outline: none;
  border: none;
  padding: 0;
  cursor: pointer;
  margin-block: 0.6rem;
}

.price-range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 2px solid var(--bg-secondary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: transform 0.1s ease, background-color 0.1s ease;
}

.price-range-input::-webkit-slider-thumb:hover {
  transform: scale(1.25);
  background: var(--accent-color);
}

.price-range-input::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 2px solid var(--bg-secondary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: transform 0.1s ease, background-color 0.1s ease;
}

.price-range-input::-moz-range-thumb:hover {
  transform: scale(1.25);
  background: var(--accent-color);
}

/* Rejilla de Cuadros con Transición AJAX */
.art-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem 2rem;
  align-items: stretch;
  transition: opacity 0.3s cubic-bezier(0.25, 1, 0.5, 1), transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.art-grid.filtering {
  opacity: 0;
  transform: translateY(12px);
}

/* Tarjeta del Cuadro */
.art-card {
  display: flex;
  flex-direction: column;
  background: transparent;
  transition: var(--transition-smooth);
  height: 100%;
}

/* 3D Canvas bastidor effect */
.art-canvas-container {
  position: relative;
  aspect-ratio: 3 / 4;
  background-color: #e5e3df;
  overflow: hidden;
  box-shadow: var(--shadow-canvas);
  transition: var(--transition-smooth);
  border-radius: 2px;
  border: 1px solid rgba(26, 26, 26, 0.03);
}

.art-card:hover .art-canvas-container {
  transform: translateY(-8px);
  box-shadow: var(--shadow-canvas-hover);
}

.art-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center; /* Centrado absoluto y perfecto sin distorsión */
  transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

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

/* Badge de Disponibilidad minimalista */
.status-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  padding: 0.35rem 0.8rem;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  z-index: 10;
  border-radius: 1px;
}

.status-badge.disponible {
  background-color: var(--avail-color);
  color: #ffffff;
  border: 1px solid var(--avail-color);
}

.status-badge.vendido {
  background-color: var(--sold-color);
  color: #ffffff;
  border: 1px solid var(--sold-color);
}

/* Info del Cuadro */
.art-info {
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex-grow: 1;
  justify-content: space-between; /* Ensures vertical alignment of prices/buttons */
}

/* Wrapper for metadata & title inside art card */
.art-card-texts {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.art-meta {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-light);
}

.art-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.art-specs {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 300;
}

.art-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 0.5rem;
}

.art-price {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
}

.art-price.not-available {
  color: var(--text-light);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.art-card-btn {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  border-bottom: 1px solid var(--text-primary);
  padding-bottom: 2px;
}

.art-card-btn:hover {
  color: var(--accent-color);
  border-color: var(--accent-color);
}

/* ==========================================================================
   DISEÑO DE LA PÁGINA DE PRODUCTO INDIVIDUAL (`producto.html`)
   ========================================================================== */
.product-page-section {
  padding: 8rem var(--space-md) var(--space-xl);
  max-width: 1400px; /* Aligns perfectly with header & footer containers */
  margin: 0 auto;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

.product-grid .lightbox-details {
  width: 100%;
}

/* Galería de variantes */
.product-gallery {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.main-product-image-container {
  aspect-ratio: 3 / 4;
  background-color: #f3f1ed;
  box-shadow: var(--shadow-canvas);
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid rgba(26, 26, 26, 0.03);
  position: relative;
  cursor: zoom-in;
}

.main-product-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center; /* Centrado absoluto y perfecto sin distorsión */
  transition: transform 0.5s ease;
}

/* Zoom interactivo simple en hover */
.main-product-image-container.zoomed img {
  transform: scale(1.5);
}

.thumbnails-container {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.thumbnail-btn {
  width: 70px;
  aspect-ratio: 3 / 4;
  height: auto;
  flex-shrink: 0;
  border: 1px solid var(--border-color);
  border-radius: 2px;
  overflow: hidden;
  background-color: #f3f1ed;
  opacity: 0.6;
  transition: var(--transition-fast);
}

.thumbnail-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center; /* Centrado absoluto y perfecto sin distorsión */
}

.thumbnail-btn.active {
  opacity: 1;
  border-color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* Recomendaciones en producto */
.recommendations-section {
  border-top: 1px solid var(--border-color);
  padding-block: var(--space-lg);
  margin-top: var(--space-xl);
}

.recommendations-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2.5rem;
  text-align: center;
}

/* ==========================================================================
   MODAL LIGHTBOX (DETALLE ESTILO BOTTOM-SHEET)
   ========================================================================== */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 200;
  display: flex;
  justify-content: flex-end;
  align-items: flex-end; /* Mobile-first: bottom-sheet */
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(26, 26, 26, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: var(--transition-smooth);
}

.lightbox-content {
  position: relative;
  width: 100%;
  height: 85vh;
  background-color: var(--bg-primary);
  border-radius: 20px 20px 0 0;
  z-index: 210;
  transform: translateY(100%);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.1);
}

.lightbox.active .lightbox-content {
  transform: translateY(0);
}

/* Botón de cierre */
.lightbox-close {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 220;
  box-shadow: var(--shadow-ui);
}

.lightbox-close svg {
  width: 14px;
  height: 14px;
  stroke-width: 1.5;
}

/* Cuerpo del Detalle */
.lightbox-body {
  flex: 1;
  overflow-y: auto;
  padding: 3rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.lightbox-visual {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #f3f1ed;
  padding: 1.5rem;
  border-radius: 12px;
}

.lightbox-canvas-wrapper {
  max-height: 40vh;
  box-shadow: var(--shadow-canvas);
  border-radius: 2px;
  border: 1px solid rgba(26, 26, 26, 0.03);
}

.lightbox-canvas-wrapper img {
  max-height: 40vh;
  object-fit: contain;
}

.lightbox-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.lightbox-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lightbox-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.lightbox-status-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lightbox-price {
  font-size: 1.3rem;
  font-weight: 500;
}

.lightbox-spec-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-block: 1rem;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.lightbox-spec-item {
  display: flex;
  font-size: 0.85rem;
}

.lightbox-spec-label {
  width: 110px;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  font-weight: 500;
}

.lightbox-spec-value {
  color: var(--text-primary);
}

.lightbox-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.7;
}

.lightbox-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

/* ==========================================================================
   DISEÑO DEL CARRITO DE COMPRAS (DRAWER SLIDER)
   ========================================================================== */
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 450px;
  height: 100vh;
  background-color: var(--bg-primary);
  border-left: 1px solid var(--border-color);
  z-index: 250;
  transform: translateX(100%);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  visibility: hidden; /* Evita que la sombra sangre en la pantalla si está inactivo */
  pointer-events: none;
}

.cart-drawer.active {
  transform: translateX(0);
  visibility: visible;
  pointer-events: all;
  box-shadow: -15px 0 45px rgba(0,0,0,0.05);
}

.cart-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-secondary);
}

.cart-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cart-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
}

.cart-close-btn svg {
  width: 14px;
  height: 14px;
}

.cart-items-container {
  flex: 1;
  overflow-y: auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.cart-empty-message {
  text-align: center;
  color: var(--text-secondary);
  margin-top: 4rem;
  font-weight: 300;
}

/* Ficha de producto en carrito */
.cart-item {
  display: flex;
  gap: 1.2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.cart-item-image {
  width: 70px;
  aspect-ratio: 3 / 4;
  height: auto;
  object-fit: cover;
  object-position: center; /* Centrado absoluto y perfecto sin distorsión */
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  border-radius: 1px;
}

.cart-item-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cart-item-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cart-item-meta {
  font-size: 0.75rem;
  color: var(--text-light);
}

.cart-item-price {
  font-size: 0.9rem;
  font-weight: 500;
}

.cart-item-remove {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sold-color);
  align-self: flex-start;
}

/* Totalizador del Carrito */
.cart-footer {
  padding: 2rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.cart-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-summary-label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.cart-total-price {
  font-size: 1.2rem;
  font-weight: 600;
}

.cart-badge-future {
  font-size: 0.65rem;
  background-color: var(--accent-soft);
  color: var(--accent-color);
  padding: 0.3rem 0.6rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  text-align: center;
  align-self: center;
}

/* ==========================================================================
   SECCIÓN DE CONTACTO & BIO
   ========================================================================== */
.bio-contact-section {
  padding-block: var(--space-xl);
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.bio-contact-container {
  max-width: 1200px;
  margin: 0 auto;
  padding-inline: var(--space-md);
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

.artist-bio {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.bio-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--accent-color);
  font-weight: 600;
}

.bio-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.bio-text {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
}

.artist-signature {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-top: 1rem;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  font-style: italic;
}

.serif-italic {
  font-family: var(--font-serif);
  font-style: italic;
}

/* Formulario */
.contact-form-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-checkbox-group {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0.8rem;
  margin-block: 0.5rem 1rem;
}

.form-checkbox-group input {
  width: auto;
  margin-top: 0.3rem;
  cursor: pointer;
}

.form-checkbox-group label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  cursor: pointer;
}

.form-checkbox-group a {
  color: var(--accent-color);
  text-decoration: underline;
}

/* ==========================================================================
   STICKY COOKIES CONSENT BANNER (Cumplimiento RGPD)
   ========================================================================== */
.cookies-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -5px 25px rgba(0,0,0,0.03);
  z-index: 1000;
  padding: 1.5rem var(--space-md);
  transition: transform 0.5s ease, opacity 0.5s ease;
  transform: translateY(0);
  opacity: 1;
}

.cookies-banner.hidden {
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
}

.cookies-banner-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  align-items: center;
}

.cookies-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  font-weight: 300;
  line-height: 1.6;
}

.cookies-text a {
  color: var(--text-primary);
  text-decoration: underline;
  font-weight: 500;
}

.cookies-actions {
  display: flex;
  gap: 1rem;
}

.btn-cookies {
  padding: 0.6rem 1.8rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

/* ==========================================================================
   STICKY FLOATING WHATSAPP BUTTON
   ========================================================================== */
.whatsapp-floating-btn {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 50px;
  height: 50px;
  background-color: var(--whatsapp-color);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  z-index: 99;
  transition: var(--transition-smooth);
}

.whatsapp-floating-btn:hover {
  transform: scale(1.08) rotate(8deg);
  box-shadow: 0 6px 20px rgba(32, 186, 90, 0.35);
}

.whatsapp-floating-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  flex-shrink: 0;
}

/* Pagina de aviso legal / privacidad simple */
.privacy-page-section {
  padding: 8rem var(--space-md) var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
}

.privacy-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: var(--space-md) var(--space-md);
  border-radius: 2px;
}

.privacy-content h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.privacy-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
}

.privacy-content ul {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   PIE DE PÁGINA (FOOTER)
   ========================================================================== */
.site-footer {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 4rem var(--space-md) 2rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.social-links {
  display: flex;
  gap: 2rem;
}

.social-link {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
}

.social-link:hover {
  color: var(--text-primary);
}

.footer-copyright {
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--text-light);
  text-align: center;
  margin-top: 2rem;
  border-top: 1px solid var(--border-color);
  width: 100%;
  padding-top: 2rem;
}

/* ==========================================================================
   REVEAL ON SCROLL EFFECTS
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   MEDIA QUERIES (DESKTOP / PC ADAPTATION)
   ========================================================================== */
@media (min-width: 768px) {
  /* Cabecera Desktop */
  .site-header {
    padding-block: 1rem;
  }
  
  .header-container {
    justify-content: space-between;
    padding-inline: var(--space-lg);
  }
  
  .site-logo {
    position: static;
    transform: none;
  }
  
  .nav-toggle-btn {
    display: none;
  }
  
  .nav-menu {
    position: static;
    height: auto;
    width: auto;
    max-width: none;
    background: transparent;
    border: none;
    flex-direction: row;
    padding: 0;
    gap: 3rem;
    box-shadow: none;
    order: 2;
    transform: none;
    visibility: visible;
    pointer-events: auto; /* Reset pointer-events from mobile */
  }
  
  .nav-menu.active {
    transform: none;
  }
  
  .nav-link {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    font-weight: 500;
  }
  
  .nav-link:hover {
    padding-left: 0;
    color: var(--accent-color);
  }
  
  .header-actions {
    order: 3;
  }
  
  /* Hero Desktop */
  .hero {
    min-height: 85vh;
    padding-top: 10rem;
  }
  
  .hero-cta-group {
    flex-direction: row;
    justify-content: center;
    gap: 1.5rem;
  }
  
  /* Filtros Desktop obsoletos eliminados para respetar el nuevo layout de cuadrícula */

  /* Rejilla de Cuadros en PC (Masonry) */
  .art-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem 3rem;
  }

  /* Ficha de Producto en PC */
  .product-page-section {
    padding-inline: var(--space-lg);
  }

  .product-grid {
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
  }
  
  .product-grid .lightbox-details {
    width: 100%;
  }
  
  .thumbnails-container {
    overflow-x: visible;
    flex-wrap: wrap;
  }
  
  .thumbnail-btn {
    width: 80px;
    aspect-ratio: 3 / 4;
    height: auto;
  }

  /* Lightbox Desktop (Centered modal) */
  .lightbox {
    justify-content: center;
    align-items: center;
    padding: 2rem;
  }
  
  .lightbox-content {
    width: 90%;
    max-width: 1000px;
    height: auto;
    max-height: 90vh;
    border-radius: 2px;
    flex-direction: row;
    transform: scale(0.9) translateY(30px);
  }
  
  .lightbox.active .lightbox-content {
    transform: scale(1) translateY(0);
  }
  
  .lightbox-body {
    flex-direction: row;
    padding: 3.5rem;
    gap: 3.5rem;
  }
  
  .lightbox-visual {
    width: 50%;
    max-height: none;
    padding: 2.5rem;
  }
  
  .lightbox-canvas-wrapper {
    max-height: 60vh;
  }
  
  .lightbox-canvas-wrapper img {
    max-height: 60vh;
  }
  
  .lightbox .lightbox-details {
    width: 50%;
    justify-content: center;
  }
  
  .lightbox-close {
    top: 25px;
    right: 25px;
  }

  /* Bio & Contacto Desktop */
  .bio-contact-container {
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    padding-inline: var(--space-lg);
  }

  /* Cookies Banner Desktop */
  .cookies-banner-container {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    gap: 2rem;
  }
  
  .cookies-text {
    text-align: left;
  }
  
  .cookies-actions {
    flex-shrink: 0;
  }
}

@media (min-width: 1100px) {
  .art-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}