/* ==========================================================================
   estilo.css - Artesanía Decorativa Matilde Lira Ltda.
   Diseño Responsivo (Mobile-First), Accesible y Optimizado para Core Web Vitals
   ========================================================================== */

:root {
  --color-verde: #477547;
  --color-verde-oscuro: #2f522f;
  --color-verde-suave: #f1f6f1;
  --color-cobre: #b36228;
  --color-cobre-oscuro: #8f4b1a;
  --color-cobre-suave: #fdf6f0;
  --color-laton: #c59b27;
  --color-fondo: #faf9f6;
  --color-superficie: #ffffff;
  --color-texto: #262626;
  --color-texto-secundario: #555555;
  --color-borde: #dedede;
  --sombra-suave: 0 4px 14px rgba(0, 0, 0, 0.06);
  --sombra-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
  --radio: 10px;
  --fuente-base: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --fuente-titulos: Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--fuente-base);
  background-color: var(--color-fondo);
  color: var(--color-texto);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

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

a {
  color: var(--color-verde);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-cobre);
}

/* Enlace de accesibilidad */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-verde-oscuro);
  color: #ffffff;
  padding: 8px 16px;
  z-index: 9999;
}

.skip-link:focus {
  left: 10px;
  top: 10px;
}

/* Barra superior de contacto rápido */
.topbar {
  background-color: var(--color-verde-oscuro);
  color: #ffffff;
  font-size: 13px;
  padding: 7px 16px;
}

.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.topbar a {
  color: #ffffff;
  font-weight: 500;
}

.topbar a:hover {
  color: #ffd8a8;
}

.topbar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.lang-switch {
  background: rgba(255, 255, 255, 0.15);
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

/* Cabecera y Navegación Principal */
.site-header {
  background-color: var(--color-superficie);
  border-bottom: 3px solid var(--color-verde);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 10px 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--color-texto);
}

.brand-logo {
  height: 68px;
  width: auto;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--fuente-titulos);
  font-size: 20px;
  font-weight: bold;
  color: var(--color-verde-oscuro);
  line-height: 1.2;
}

.brand-tagline {
  font-size: 12px;
  color: var(--color-cobre);
  font-weight: 600;
  letter-spacing: 0.3px;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.main-nav a {
  display: inline-block;
  padding: 9px 15px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--color-texto);
  transition: all 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  background-color: var(--color-verde-suave);
  color: var(--color-verde-oscuro);
}

.main-nav a.nav-cta {
  background-color: var(--color-verde);
  color: #ffffff;
}

.main-nav a.nav-cta:hover,
.main-nav a.nav-cta.active {
  background-color: var(--color-verde-oscuro);
  color: #ffffff;
}

/* Contenedor Principal */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 18px;
}

.center-wrapper {
  width: 100%;
  max-width: 1060px;
  margin: 0 auto;
  padding: 24px 18px 40px 18px;
}

/* Breadcrumbs (Migas de pan SEO) */
.breadcrumbs {
  font-size: 13px;
  color: var(--color-texto-secundario);
  margin: 16px 0 8px 0;
}

.breadcrumbs a {
  color: var(--color-verde);
}

/* Hero Section (Portada) */
.hero {
  background: linear-gradient(135deg, #244024 0%, #3d683d 55%, #5c4328 100%);
  color: #ffffff;
  padding: 52px 0;
  border-bottom: 4px solid var(--color-cobre);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffe8cc;
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.hero h1 {
  font-family: var(--fuente-titulos);
  font-size: 36px;
  line-height: 1.2;
  margin: 0 0 16px 0;
  color: #ffffff;
}

.hero p.hero-lead {
  font-size: 17px;
  color: #f0f4f0;
  margin: 0 0 24px 0;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 7px;
  font-weight: 700;
  font-size: 14.5px;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-cobre);
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(179, 98, 40, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-cobre-oscuro);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--color-verde-oscuro) !important;
}

.btn-secondary:hover {
  background-color: var(--color-verde-suave);
}

.btn-outline {
  border: 2px solid var(--color-verde);
  color: var(--color-verde) !important;
  background: transparent;
}

.btn-outline:hover {
  background: var(--color-verde);
  color: #ffffff !important;
}

.hero-visual {
  background: #ffffff;
  padding: 14px;
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
  text-align: center;
}

.hero-visual img {
  width: 100%;
  height: 310px;
  object-fit: cover;
  border-radius: 8px;
}

.hero-caption {
  color: var(--color-texto-secundario);
  font-size: 13px;
  font-style: italic;
  margin-top: 8px;
}

/* Secciones generales */
.section {
  padding: 48px 0;
}

.section-alt {
  background-color: #f2f5f2;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 34px auto;
}

.section-header h2,
.page-header h1 {
  font-family: var(--fuente-titulos);
  color: var(--color-verde-oscuro);
  font-size: 28px;
  margin: 0 0 10px 0;
}

.section-header p,
.page-header p {
  color: var(--color-texto-secundario);
  font-size: 15.5px;
  margin: 0;
}

.page-header {
  text-align: center;
  margin: 12px 0 28px 0;
  border-bottom: 2px solid var(--color-verde);
  padding-bottom: 16px;
}

/* Tarjetas de Categorías Principales */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.category-card {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra-suave);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sombra-hover);
}

.category-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  border-bottom: 3px solid var(--color-cobre);
}

.category-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.category-body h3 {
  font-family: var(--fuente-titulos);
  color: var(--color-verde-oscuro);
  margin: 0 0 8px 0;
  font-size: 20px;
}

.category-body p {
  font-size: 14.5px;
  color: var(--color-texto-secundario);
  margin: 0 0 16px 0;
}

/* Filtros y Buscador del Catálogo */
.catalog-controls {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  padding: 18px 20px;
  margin-bottom: 28px;
  box-shadow: var(--sombra-suave);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  background: var(--color-fondo);
  border: 1px solid var(--color-borde);
  color: var(--color-texto);
  padding: 8px 15px;
  border-radius: 25px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-verde);
  color: #ffffff;
  border-color: var(--color-verde);
}

.search-box {
  flex: 1 1 260px;
  max-width: 360px;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 9px 14px;
  border: 1px solid var(--color-borde);
  border-radius: 25px;
  font-size: 14px;
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-verde);
  box-shadow: 0 0 0 3px rgba(71, 117, 71, 0.15);
}

/* Cuadrícula de Productos del Catálogo */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra-suave);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: box-shadow 0.2s ease;
  scroll-margin-top: 110px;
}

.product-card:hover {
  box-shadow: var(--sombra-hover);
}

.product-img-wrap {
  background: #ffffff;
  padding: 12px;
  border-bottom: 1px solid #eeeeee;
  text-align: center;
  position: relative;
  cursor: zoom-in;
}

.product-img-wrap img {
  width: 100%;
  height: 250px;
  object-fit: contain;
  margin: 0 auto;
}

.badge-cat {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(47, 82, 47, 0.9);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  text-transform: uppercase;
}

.badge-cat.cobre {
  background: rgba(179, 98, 40, 0.92);
}

.badge-cat.electro {
  background: rgba(38, 84, 124, 0.9);
}

.product-body {
  padding: 16px 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product-title {
  font-family: var(--fuente-titulos);
  font-size: 17px;
  color: var(--color-verde-oscuro);
  margin: 0 0 10px 0;
}

.sku-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 12px;
}

.sku-table th {
  background-color: var(--color-verde-suave);
  color: var(--color-verde-oscuro);
  text-align: left;
  padding: 6px 8px;
  border-bottom: 2px solid var(--color-verde);
  font-weight: 700;
}

.sku-table td {
  padding: 6px 8px;
  border-bottom: 1px solid #eeeeee;
  vertical-align: top;
}

.sku-code {
  font-weight: 700;
  color: var(--color-cobre-oscuro);
  white-space: normal;
  word-break: break-word;
  min-width: 65px;
}

.sku-num {
  font-weight: 700;
  color: var(--color-verde-oscuro);
  text-align: center;
  width: 28px;
}

.sku-en {
  display: block;
  font-size: 11.5px;
  color: #666666;
  font-style: italic;
  margin-top: 2px;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed #e0e0e0;
}

.btn-sm {
  flex: 1 1 120px;
  padding: 8px 10px;
  font-size: 12.5px;
  font-weight: 700;
  border-radius: 6px;
  text-align: center;
}

.btn-wa-sm {
  background-color: #1f8e46;
  color: #ffffff !important;
}

.btn-wa-sm:hover {
  background-color: #166d35;
}

.btn-quote-sm {
  background-color: var(--color-verde-suave);
  color: var(--color-verde-oscuro) !important;
  border: 1px solid var(--color-verde);
}

.btn-quote-sm:hover {
  background-color: var(--color-verde);
  color: #ffffff !important;
}

/* Galería de Imágenes */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}

.gallery-item {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra-suave);
  cursor: zoom-in;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  margin: 0;
}

.gallery-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--sombra-hover);
}

.gallery-item img {
  width: 100%;
  height: 240px;
  object-fit: contain;
  background: #ffffff;
  padding: 8px;
  border-bottom: 1px solid #eeeeee;
}

.gallery-caption {
  padding: 12px 14px;
  font-size: 13.5px;
  color: var(--color-texto);
  font-weight: 600;
  text-align: center;
}

/* Quiénes Somos / Historia */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: center;
  background: var(--color-superficie);
  padding: 32px;
  border-radius: var(--radio);
  border: 1px solid var(--color-borde);
  box-shadow: var(--sombra-suave);
}

.about-img-box img {
  border-radius: 8px;
  box-shadow: var(--sombra-suave);
  width: 100%;
}

.about-content h2 {
  font-family: var(--fuente-titulos);
  color: var(--color-verde-oscuro);
  margin-top: 0;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.pillar-card {
  background: var(--color-superficie);
  border-left: 4px solid var(--color-cobre);
  padding: 18px 20px;
  border-radius: 8px;
  box-shadow: var(--sombra-suave);
}

.pillar-card h3 {
  margin: 0 0 8px 0;
  color: var(--color-verde-oscuro);
  font-size: 17px;
}

.pillar-card p {
  margin: 0;
  font-size: 14px;
  color: var(--color-texto-secundario);
}

/* Contacto y Formulario */
.contact-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 32px;
}

.form-box {
  flex: 1 1 300px;
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  padding: 26px;
  box-shadow: var(--sombra-suave);
}

.info-box {
  flex: 1 1 280px;
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  padding: 26px;
  box-shadow: var(--sombra-suave);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: #333333;
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-borde);
  border-radius: 6px;
  font-family: var(--fuente-base);
  font-size: 14px;
  color: #222222;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-verde);
  box-shadow: 0 0 0 3px rgba(71, 117, 71, 0.15);
}

.btn-enviar {
  width: 100%;
  padding: 13px;
  background-color: var(--color-verde);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  font-family: var(--fuente-base);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-enviar:hover {
  background-color: var(--color-verde-oscuro);
}

.btn-whatsapp {
  display: block;
  text-align: center;
  background-color: #1f8e46;
  color: #ffffff !important;
  font-size: 14px;
  font-weight: 700;
  padding: 12px;
  border-radius: 6px;
  text-decoration: none;
  margin-top: 14px;
  transition: background-color 0.2s;
}

.btn-whatsapp:hover {
  background-color: #166d35;
}

.alert-msg {
  padding: 14px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 18px;
  display: none;
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert-error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.info-title {
  font-family: var(--fuente-titulos);
  font-size: 20px;
  font-weight: bold;
  color: var(--color-verde-oscuro);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-verde-suave);
}

.info-item {
  margin-bottom: 14px;
  font-size: 14.5px;
}

.info-item strong {
  display: block;
  color: #444444;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.info-badge {
  margin-top: 18px;
  background-color: var(--color-verde-suave);
  border-left: 4px solid var(--color-verde);
  padding: 14px;
  border-radius: 6px;
  font-size: 13.5px;
  color: var(--color-verde-oscuro);
}

.map-box {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  padding: 22px;
  margin-bottom: 30px;
  box-shadow: var(--sombra-suave);
}

.map-box h2,
.map-box h3 {
  font-family: var(--fuente-titulos);
  font-size: 20px;
  color: var(--color-verde-oscuro);
  margin: 0 0 14px 0;
  text-align: center;
}

.map-container {
  width: 100%;
  height: 360px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-borde);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Pie de página unificado */
.site-footer {
  background-color: #1f351f;
  color: #e4ece4;
  padding: 44px 0 24px 0;
  margin-top: 48px;
  border-top: 4px solid var(--color-cobre);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
  margin-bottom: 28px;
}

.site-footer h3 {
  font-family: var(--fuente-titulos);
  color: #ffffff;
  font-size: 18px;
  margin: 0 0 12px 0;
}

.site-footer p,
.site-footer li {
  font-size: 14px;
  color: #cfe0cf;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer li {
  margin-bottom: 8px;
}

.site-footer a {
  color: #ffd8a8;
}

.site-footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 18px;
  text-align: center;
  font-size: 13px;
  color: #b0c9b0;
}

/* Lightbox Modal para ampliar imágenes */
.lightbox-overlay {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
}

.lightbox-overlay.open {
  display: flex;
}

.lightbox-content {
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  background: #ffffff;
  padding: 14px;
  border-radius: 10px;
  position: relative;
  text-align: center;
}

.lightbox-content img {
  max-height: 75vh;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  margin: 0 auto;
}

.lightbox-caption {
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-texto);
}

.lightbox-close {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-cobre);
  color: #ffffff;
  border: 2px solid #ffffff;
  font-size: 20px;
  font-weight: bold;
  cursor: pointer;
  line-height: 1;
}

/* Botón flotante de WhatsApp (Desactivado para flujo exclusivo por carro de cotización) */
.floating-wa {
  display: none !important;
}

/* Botón Hamburguesa / Sándwich para móviles */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 44px;
  height: 40px;
  padding: 10px 9px;
  background: var(--color-verde-suave);
  border: 1px solid var(--color-verde);
  border-radius: 8px;
  cursor: pointer;
  z-index: 1002;
  transition: all 0.25s ease;
  flex-shrink: 0;
}

.nav-toggle:hover,
.nav-toggle:focus {
  background: #dcebdc;
  outline: none;
}

.hamburger-bar {
  display: block;
  width: 100%;
  height: 2.5px;
  background-color: var(--color-verde-oscuro);
  border-radius: 3px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
  transform-origin: center;
}

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

.nav-toggle.active .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

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

/* Botón flotante Volver Arriba */
.scroll-top-btn {
  position: fixed;
  bottom: 84px;
  right: 18px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(47, 82, 47, 0.92);
  color: #ffffff;
  border: 2px solid #ffffff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  font-weight: bold;
  cursor: pointer;
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background-color 0.2s ease;
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background: var(--color-verde-oscuro);
  transform: translateY(-2px);
}

/* ==========================================================================
   Cotizador Dinámico Multiproducto - Experiencia de Compra Optimizada (CRO)
   ========================================================================== */

.btn-add-quote {
  background-color: var(--color-verde);
  color: #ffffff;
  border: 1px solid var(--color-verde-oscuro);
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  flex: 1 1 100%;
}

.btn-add-quote:hover {
  background-color: var(--color-verde-oscuro);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(47, 82, 47, 0.3);
}

.btn-add-quote.added {
  background-color: #27ae60 !important;
  border-color: #1e8449 !important;
  color: #ffffff !important;
  transform: scale(1.02);
}

.btn-wa-direct {
  display: none !important;
}

/* Floating Quotation Bar */
.quote-floating-bar {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1050;
  animation: slideUpBar 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes slideUpBar {
  from { transform: translateY(40px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.quote-bar-btn {
  background: linear-gradient(135deg, var(--color-cobre) 0%, var(--color-cobre-oscuro) 100%);
  color: #ffffff;
  border: 2px solid #ffffff;
  padding: 12px 20px;
  border-radius: 30px;
  box-shadow: 0 6px 20px rgba(179, 98, 40, 0.4);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.25s ease;
}

.quote-bar-btn:hover {
  transform: scale(1.04);
  box-shadow: 0 8px 24px rgba(179, 98, 40, 0.55);
}

.quote-bar-badge {
  background-color: #ffffff;
  color: var(--color-cobre-oscuro);
  font-size: 13px;
  font-weight: 800;
  padding: 2px 9px;
  border-radius: 12px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* Slide-over Drawer / Modal */
.quote-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(3px);
  z-index: 2000;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.quote-drawer-overlay.active {
  display: block;
  opacity: 1;
}

.quote-drawer {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 480px;
  height: 100%;
  background: #ffffff;
  box-shadow: -6px 0 25px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.25, 1, 0.5, 1);
}

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

.quote-drawer-header {
  padding: 18px 22px;
  background-color: var(--color-verde-suave);
  border-bottom: 2px solid var(--color-verde);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.quote-drawer-header h3 {
  margin: 0;
  font-size: 19px;
  color: var(--color-verde-oscuro);
  font-family: var(--fuente-titulos);
}

.quote-drawer-sub {
  margin: 4px 0 0 0;
  font-size: 12.5px;
  color: var(--color-texto-secundario);
}

.quote-drawer-close {
  background: transparent;
  border: none;
  font-size: 28px;
  line-height: 1;
  color: #777;
  cursor: pointer;
  padding: 0 4px;
}

.quote-drawer-close:hover {
  color: #222;
}

.quote-drawer-items {
  flex: 1;
  overflow-y: auto;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.quote-empty-msg {
  text-align: center;
  color: #777;
  padding: 40px 15px;
  font-size: 14.5px;
}

.quote-empty-icon {
  font-size: 44px;
  margin-bottom: 12px;
  display: block;
}

.quote-item-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: #faf9f6;
  border: 1px solid #e5e3dc;
  border-radius: 8px;
  transition: border-color 0.2s;
}

.quote-item-card:hover {
  border-color: var(--color-cobre);
}

.quote-item-thumb {
  width: 60px;
  height: 60px;
  border-radius: 6px;
  object-fit: cover;
  background: #fff;
  border: 1px solid #ddd;
  flex-shrink: 0;
}

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

.quote-item-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--color-texto);
  margin: 0 0 2px 0;
  line-height: 1.3;
}

.quote-item-sku {
  font-size: 11.5px;
  color: var(--color-cobre-oscuro);
  font-weight: 600;
}

.quote-item-stepper {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
}

.quote-step-btn {
  background: #ffffff;
  border: 1px solid #ccc;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #444;
}

.quote-step-btn:hover {
  background: #eee;
}

.quote-step-input {
  width: 36px;
  height: 24px;
  text-align: center;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
}

.quote-item-delete {
  background: transparent;
  border: none;
  color: #bbb;
  font-size: 17px;
  cursor: pointer;
  padding: 4px 6px;
}

.quote-item-delete:hover {
  color: #d9534f;
}

.quote-drawer-options {
  padding: 14px 20px;
  background: #fdfaf7;
  border-top: 1px solid #eae6df;
  border-bottom: 1px solid #eae6df;
}

.quote-option-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-texto);
  cursor: pointer;
}

.quote-drawer-options textarea {
  width: 100%;
  box-sizing: border-box;
  margin-top: 8px;
  padding: 8px 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 12.5px;
  font-family: inherit;
  resize: vertical;
}

.quote-drawer-actions {
  padding: 16px 20px;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-wa-full {
  background: #25d366;
  color: #ffffff;
  border: none;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
  transition: all 0.2s ease;
}

.btn-wa-full:hover {
  background: #1eb857;
  transform: translateY(-1px);
}

.btn-web-full {
  background: var(--color-verde);
  color: #ffffff;
  border: none;
  padding: 11px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-web-full:hover {
  background: var(--color-verde-oscuro);
}

.quote-drawer-footer-links {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 6px;
}

.btn-link-clear {
  background: transparent;
  border: none;
  color: #888;
  font-size: 12px;
  cursor: pointer;
  text-decoration: underline;
}

.btn-link-clear:hover {
  color: #c0392b;
}

.btn-link-continue {
  background: transparent;
  border: none;
  color: var(--color-verde);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
}

/* ==========================================================================
   Responsive Design Optimizado para Dispositivos Móviles y Tablets
   ========================================================================== */

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

@media (max-width: 820px) {
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
  }

  .header-inner {
    padding: 10px 14px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    position: relative;
  }

  .brand-link {
    gap: 10px;
    max-width: calc(100% - 54px);
  }

  .brand-logo {
    height: 48px;
    width: auto;
  }

  .brand-name {
    font-size: 15.5px;
    line-height: 1.15;
  }

  .brand-tagline {
    font-size: 11px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 240px;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #ffffff;
    border-bottom: 3px solid var(--color-cobre);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.16);
    padding: 12px 16px 18px 16px;
    z-index: 999;
  }

  .main-nav.active {
    display: block;
    animation: menuSlideDown 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 6px;
    width: 100%;
    padding: 0;
  }

  .main-nav li {
    width: 100%;
  }

  .main-nav a {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    border-radius: 8px;
    border-left: 3px solid transparent;
  }

  .main-nav a:hover,
  .main-nav a.active {
    border-left-color: var(--color-verde);
    background-color: var(--color-verde-suave);
    color: var(--color-verde-oscuro);
    font-weight: 700;
  }

  .main-nav a.nav-cta {
    background-color: var(--color-verde);
    color: #ffffff !important;
    justify-content: center;
    font-weight: 700;
    margin-top: 6px;
    box-shadow: 0 3px 8px rgba(47, 82, 47, 0.2);
  }

  .hero-grid,
  .about-grid,
  .catalog-grid,
  .category-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 600px) {
  /* Topbar ultra-compacta para smartphones */
  .topbar {
    padding: 6px 10px;
    font-size: 12px;
  }

  .topbar-inner {
    justify-content: center;
    gap: 8px;
  }

  .topbar-address {
    display: none;
  }

  .topbar-links {
    justify-content: center;
    gap: 12px;
    font-size: 12px;
  }

  .brand-logo {
    height: 42px;
  }

  .brand-name {
    font-size: 14.5px;
  }

  .brand-tagline {
    font-size: 10px;
    max-width: 185px;
  }

  /* Hero compacto y legible */
  .hero {
    padding: 30px 0 34px 0;
  }

  .hero-badge {
    font-size: 11px;
    padding: 4px 10px;
    line-height: 1.3;
  }

  .hero h1 {
    font-size: 22px;
    line-height: 1.25;
    margin-top: 10px;
  }

  .hero-lead {
    font-size: 14px;
    line-height: 1.5;
  }

  .hero-actions {
    flex-direction: column;
    gap: 10px;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
    padding: 12px 16px;
    font-size: 14.5px;
  }

  .hero-visual {
    margin-top: 16px;
  }

  .hero-visual img {
    height: auto;
    max-height: 220px;
    object-fit: contain;
  }

  /* Catálogo y filtros deslizables tipo app */
  .page-header h1 {
    font-size: 22px;
  }

  .catalog-controls {
    padding: 12px;
    margin-bottom: 20px;
    gap: 12px;
  }

  .filter-buttons {
    display: flex;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    width: 100%;
    padding-bottom: 4px;
    gap: 6px;
  }

  .filter-buttons::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    white-space: nowrap;
    font-size: 12.5px;
    padding: 7px 13px;
    flex-shrink: 0;
  }

  .search-box {
    max-width: 100%;
    width: 100%;
    flex: 1 1 100%;
  }

  .search-box input {
    font-size: 15px;
    padding: 10px 14px;
  }

  /* Tarjetas de Producto optimizadas */
  .catalog-grid {
    gap: 16px;
  }

  .product-body {
    padding: 14px;
  }

  .product-title {
    font-size: 16px;
  }

  .product-img-wrap img {
    height: 210px;
  }

  .sku-table {
    font-size: 12px;
  }

  .sku-table th, .sku-table td {
    padding: 6px 6px;
  }

  .sku-code {
    white-space: nowrap;
  }

  .btn-add-quote {
    padding: 11px 14px;
    font-size: 14px;
  }

  /* Formularios sin zoom indeseado en iOS */
  .form-box, .info-box {
    padding: 18px 14px;
  }

  .form-group input,
  .form-group textarea,
  .form-group select {
    font-size: 16px;
    padding: 10px 12px;
  }

  .btn-enviar {
    padding: 13px;
    font-size: 15px;
  }

  /* Barra flotante y Carro en móvil */
  .quote-floating-bar {
    right: 14px;
    bottom: 16px;
    left: auto;
  }

  .quote-bar-btn {
    padding: 10px 16px;
    font-size: 13.5px;
  }

  .scroll-top-btn {
    bottom: 74px;
    right: 14px;
    width: 40px;
    height: 40px;
    font-size: 17px;
  }

  .quote-drawer {
    width: 100%;
    max-width: 100%;
  }

  .quote-drawer-header {
    padding: 14px 16px;
  }

  .quote-drawer-header h3 {
    font-size: 17px;
  }

  .quote-drawer-items {
    padding: 12px 14px;
  }

  .quote-item-card {
    padding: 8px 10px;
    gap: 10px;
  }

  .quote-item-thumb {
    width: 52px;
    height: 52px;
  }

  .quote-step-btn {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .quote-step-input {
    width: 40px;
    height: 32px;
    font-size: 14px;
  }

  .quote-drawer-actions {
    padding: 14px 16px;
    padding-bottom: max(16px, env(safe-area-inset-bottom, 16px));
  }

  .btn-wa-full {
    font-size: 14px;
    padding: 12px 14px;
  }

  .btn-web-full {
    font-size: 13.5px;
    padding: 11px 14px;
  }
}