/* ==========================================================================
   SAVIA MOBILIARIO DE COLOMBIA - SISTEMA DE DISEÑO Y ESTILOS
   Maderas Reforestadas, Tapicería Antifluido & Diseño Contemporáneo
   ========================================================================== */

:root {
  /* Paleta Orgánica de Maderas y Bosque Colombiano */
  --color-primary: #78350F;          /* Nogal y Teca Cálida */
  --color-primary-dark: #451A03;     /* Roble Oscuro */
  --color-primary-light: #FEF3C7;    /* Ámbar Madera Suave */
  --color-accent: #15803D;           /* Verde Bosque / Sostenible */
  --color-accent-dark: #166534;
  --color-accent-light: #DCFCE7;
  --color-terracotta: #C2410C;       /* Terracota / Acento artesanal */
  --color-terracotta-light: #FFEDD5;
  
  /* Superficies y Fondos */
  --color-bg: #FDFBF7;               /* Arena Natural / Lino */
  --color-surface: #FFFFFF;          /* Blanco puro */
  --color-surface-muted: #F5F0E6;    /* Fondo cálido de sección */
  --color-border: #E7E0D3;          /* Bordes de madera clara */
  --color-border-dark: #D6CEBE;

  /* Tipografía y Textos (WCAG AAA) */
  --color-text: #1C1917;             /* Pizarra Espresso */
  --color-text-muted: #57534E;       /* Ceniza Madera */
  --color-text-light: #A8A29E;

  /* Tipografía de Alto Rendimiento (0 ms latencia) */
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, Cambria, "Times New Roman", Times, serif;

  /* Espaciado y Radios */
  --container-max-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Sombras Suaves Orgánicas */
  --shadow-sm: 0 1px 3px rgba(28, 25, 23, 0.05);
  --shadow-md: 0 4px 12px rgba(28, 25, 23, 0.08);
  --shadow-lg: 0 12px 30px rgba(28, 25, 23, 0.12);
  --shadow-drawer: -8px 0 35px rgba(28, 25, 23, 0.25);

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset y Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family);
  font-size: 16px;
  color: var(--color-text);
  background-color: var(--color-bg);
  scroll-behavior: smooth;
  line-height: 1.6;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text);
  font-weight: 700;
  line-height: 1.25;
}

/* Accesibilidad Skip Link */
.skip-link {
  position: absolute;
  top: -60px;
  left: 1rem;
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 0.5rem 1rem;
  z-index: 2000;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: bold;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* Contenedor */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Barra Superior Informativa */
.top-notice-bar {
  background-color: var(--color-primary-dark);
  color: #FEF3C7;
  font-size: 0.8125rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(254, 243, 199, 0.15);
}

.top-notice-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Cabecera Principal */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

/* Navegación */
.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  padding: 0.5rem 0.25rem;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2.5px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

/* Dropdown */
.nav-item-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 260px;
  padding: 0.5rem 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 1010;
}

.nav-item-dropdown:hover .dropdown-menu,
.nav-item-dropdown:focus-within .dropdown-menu,
.nav-item-dropdown.dropdown-open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 0.625rem 1.25rem;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-menu a:hover {
  background-color: var(--color-surface-muted);
  color: var(--color-primary);
}

/* Botón Móvil */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}

.hamburger-bar {
  width: 24px;
  height: 2.5px;
  background-color: var(--color-text);
  border-radius: var(--radius-full);
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6875rem 1.375rem;
  font-size: 0.9375rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(120, 53, 15, 0.25);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  color: #FFFFFF;
}

.btn-sm {
  padding: 0.45rem 0.875rem;
  font-size: 0.8125rem;
}

/* Breadcrumbs */
.breadcrumbs-container {
  background-color: var(--color-surface-muted);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
}

.breadcrumbs ol {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

/* Secciones y Layout */
.section {
  padding: 4.5rem 0;
}

.section-muted {
  background-color: var(--color-surface-muted);
}

.section-title {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 720px;
  margin-bottom: 3rem;
}

/* Page Hero */
.page-hero {
  background: linear-gradient(135deg, #2A1810 0%, #451A03 50%, #78350F 100%);
  color: #FFFFFF;
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.page-hero-title {
  font-size: 2.5rem;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.page-hero-desc {
  font-size: 1.125rem;
  color: #FEF3C7;
  max-width: 760px;
  line-height: 1.7;
}

/* Grid System */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Tarjetas Generales */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.card-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* Tarjetas de Producto Mueble */
.product-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.product-img-wrapper {
  background-color: var(--color-surface-muted);
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.product-badge-group {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.product-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-category-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.product-title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.product-title a {
  color: var(--color-text);
  text-decoration: none;
}

.product-title a:hover {
  color: var(--color-primary);
}

.product-wood-type {
  font-size: 0.8125rem;
  color: var(--color-primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.product-specs-list {
  list-style: none;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.product-specs-list li {
  position: relative;
  padding-left: 1rem;
}

.product-specs-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.product-pricing {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.price-main {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.price-iva {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  display: block;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
}

.badge-wood {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.badge-forest {
  background-color: var(--color-accent-light);
  color: var(--color-accent-dark);
}

.badge-terracotta {
  background-color: var(--color-terracotta-light);
  color: var(--color-terracotta);
}

.badge-subtle {
  background-color: #F1F5F9;
  color: #475569;
}

/* Acordeón Accesible */
.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  background-color: var(--color-surface);
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.accordion-header:hover {
  background-color: var(--color-surface-muted);
}

.accordion-icon {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}

.accordion-content {
  display: none;
  padding: 0 1.5rem 1.25rem 1.5rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Tablas Técnicas */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
  background-color: var(--color-surface);
}

.data-table th, .data-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  background-color: var(--color-surface-muted);
  font-weight: 700;
  color: var(--color-text);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background-color: #FAF6EE;
}

/* Formularios */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--color-text);
  background-color: #FFFFFF;
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(120, 53, 15, 0.15);
}

.form-hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
  display: block;
}

/* Pie de Página */
.site-footer {
  background-color: #1C1917;
  color: #F5F0E6;
  padding: 4.5rem 0 2rem 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.2fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-title {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--color-accent);
}

.footer-desc {
  font-size: 0.875rem;
  color: #A8A29E;
  line-height: 1.7;
  margin-top: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-links a {
  color: #D6D3D1;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #FEF3C7;
  text-decoration: underline;
}

.footer-contact-item {
  font-size: 0.875rem;
  color: #D6D3D1;
  margin-bottom: 0.875rem;
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  font-size: 0.8125rem;
  color: #78716C;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.legal-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.legal-links a {
  color: #A8A29E;
  text-decoration: none;
}

.legal-links a:hover {
  color: #FFFFFF;
}

/* ==========================================================================
   SISTEMA DE E-COMMERCE: CARRITO DE COMPRAS, DRAWER Y CHECKOUT
   ========================================================================== */

/* Botón Flotante del Carrito */
.floating-cart-btn {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #FFFFFF;
  border: 2px solid #FDE68A;
  border-radius: var(--radius-full);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  box-shadow: 0 10px 25px rgba(120, 53, 15, 0.35);
  cursor: pointer;
  z-index: 990;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  font-weight: 700;
  font-size: 0.9375rem;
}

.floating-cart-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 15px 30px rgba(120, 53, 15, 0.45);
  color: #FFFFFF;
}

.cart-badge-count {
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  line-height: 1;
}

/* Overlay del Drawer */
.cart-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(28, 25, 23, 0.65);
  backdrop-filter: blur(3px);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.cart-drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Panel Lateral del Carrito */
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 480px;
  height: 100vh;
  background-color: #FFFFFF;
  box-shadow: var(--shadow-drawer);
  z-index: 1060;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.cart-drawer-header {
  padding: 1.25rem 1.5rem;
  background-color: var(--color-primary-dark);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cart-drawer-title {
  font-size: 1.2rem;
  margin-bottom: 0;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cart-drawer-close {
  background: none;
  border: none;
  color: #FEF3C7;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

.cart-drawer-body {
  flex-grow: 1;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cart-empty-state {
  text-align: center;
  padding: 3.5rem 1rem;
  color: var(--color-text-muted);
}

.cart-item {
  display: flex;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  align-items: flex-start;
}

.cart-item-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background-color: var(--color-surface-muted);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.cart-item-info {
  flex-grow: 1;
}

.cart-item-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.cart-item-cat {
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.cart-item-price {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.cart-item-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.cart-qty-control {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: #F8FAFC;
}

.cart-qty-btn {
  background: none;
  border: none;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-weight: bold;
  font-size: 1rem;
}

.cart-qty-val {
  min-width: 24px;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 700;
}

.cart-item-remove {
  background: none;
  border: none;
  color: #EF4444;
  font-size: 0.75rem;
  cursor: pointer;
  text-decoration: underline;
  margin-left: auto;
}

.cart-drawer-footer {
  padding: 1.25rem 1.5rem;
  background-color: var(--color-surface-muted);
  border-top: 1px solid var(--color-border);
}

.cart-summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
}

.cart-summary-total {
  display: flex;
  justify-content: space-between;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  padding-top: 0.5rem;
  border-top: 1px dashed var(--color-border-dark);
  margin-top: 0.5rem;
  margin-bottom: 1rem;
}

.shipping-select-group {
  margin-bottom: 1rem;
}

.shipping-select-group label {
  font-size: 0.8125rem;
  font-weight: 700;
  display: block;
  margin-bottom: 0.25rem;
}

.shipping-select-group select {
  width: 100%;
  padding: 0.5rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: #FFFFFF;
}

.cart-actions {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.btn-whatsapp-buy {
  background-color: #16A34A;
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.75rem;
  font-weight: 700;
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.btn-whatsapp-buy:hover {
  background-color: #15803D;
  color: #FFFFFF;
}

/* Modal de Checkout */
.checkout-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(28, 25, 23, 0.75);
  backdrop-filter: blur(4px);
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.checkout-modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.checkout-modal {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 2rem;
}

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

.payment-method-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.payment-tab-btn {
  background-color: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  padding: 0.625rem 0.25rem;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
}

.payment-tab-btn.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

/* Toast */
.toast-cart-notice {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  background-color: #1C1917;
  color: #FFFFFF;
  border-left: 4px solid var(--color-accent);
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  z-index: 1200;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  transform: translateY(-20px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.toast-cart-notice.active {
  transform: translateY(0);
  opacity: 1;
}

/* Banner de Cookies */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #1C1917;
  color: #F5F0E6;
  padding: 1.25rem;
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  display: none;
  border-top: 2px solid var(--color-accent);
}

.cookie-banner.active {
  display: block;
}

.cookie-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.cookie-text {
  font-size: 0.875rem;
  color: #D6D3D1;
  margin-bottom: 0;
}

.cookie-text a {
  color: #FDE68A;
}

.cookie-actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Responsividad */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .mobile-toggle { display: flex; }
  
  .nav-menu {
    position: fixed;
    top: 76px;
    left: 0;
    width: 100%;
    height: calc(100vh - 76px);
    background-color: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
  }

  .nav-menu.is-open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 0.5rem;
  }

  .nav-item-dropdown {
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    background-color: var(--color-surface-muted);
    padding-left: 1rem;
    transform: none;
    opacity: 1;
    visibility: visible;
    display: none;
  }

  .nav-item-dropdown.dropdown-open .dropdown-menu {
    display: block;
  }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .page-hero-title { font-size: 1.85rem; }
  .payment-method-tabs { grid-template-columns: repeat(2, 1fr); }
  .cookie-content { flex-direction: column; }
}