/* ==== SECTIONS.CSS - HERO, PRODUCTOS, FOOTER Y SECCIONES ESPECÍFICAS ==== */
/* ✅ 100% RESPONSIVE - Optimizado para todas las resoluciones */

/* ==== VARIABLES ==== */
:root {
  /* Colores heredados de styles.css */
  --color-brown: #8B4513;
  --color-brown-dark: #6B3410;
  --color-brown-light: #A0522D;
  --color-gray-dark: #2C2C2C;
  --color-gray: #5A5A5A;
  --color-gray-light: #8E8E8E;
  --color-gray-lighter: #BFBFBF;
  --color-gray-bg: #F5F5F5;
  --color-white: #FFFFFF;
  --color-success: #28a745;
  --color-warning: #ffc107;
  --color-danger: #dc3545;
  --color-info: #17a2b8;
  
  /* Espaciado responsive */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  --spacing-xxxl: 4rem;
  
  /* Radios */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-xxl: 1.5rem;
  --border-radius-full: 9999px;
  
  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --shadow-xxl: 0 25px 50px rgba(0, 0, 0, 0.15);
  --shadow-brown: 0 8px 20px rgba(139, 69, 19, 0.3);
  
  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Fuentes */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-xxl: 1.5rem;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-loose: 1.8;
  
  /* Gradientes */
  --gradient-gray: linear-gradient(135deg, var(--color-gray-dark) 0%, #3a3a3a 100%);
  --gradient-brown: linear-gradient(135deg, var(--color-brown), var(--color-brown-dark));
  --gradient-light: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

/* ==== HERO SECTION - RESPONSIVE ==== */
.hero {
  background: var(--gradient-gray);
  color: var(--color-white);
  min-height: 60vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%238B4513" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%238B4513" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.5;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-lg);
  color: var(--color-white);
  font-weight: var(--font-weight-extrabold);
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-normal);
  max-width: 800px;
}

.hero-image {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-xxl);
  box-shadow: var(--shadow-xxl);
  transition: transform var(--transition-slow);
}

.hero-image:hover {
  transform: scale(1.02);
}

/* Hero para productos dinámico */
.hero-productos-dinamico {
  background: var(--gradient-light);
  border-bottom: 3px solid var(--color-gray-bg);
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 4rem) 0;
  min-height: 50vh;
}

.hero-productos-dinamico::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="product-pattern" width="60" height="60" patternUnits="userSpaceOnUse"><circle cx="30" cy="30" r="2" fill="%238B4513" opacity="0.04"/><circle cx="10" cy="50" r="1.5" fill="%238B4513" opacity="0.06"/></pattern></defs><rect width="100" height="100" fill="url(%23product-pattern)"/></svg>');
  z-index: 1;
}

.hero-productos-dinamico .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  transition: all 0.5s ease-in-out;
  animation: fadeInUp 0.8s ease-out;
}

.hero-content h1 {
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-lg);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-gray-dark);
}

.hero-content .lead {
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: var(--line-height-normal);
  color: var(--color-gray);
}

/* Feature badges - RESPONSIVE */
.hero-features {
  margin-top: var(--spacing-lg);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
}

.feature-badge {
  background: var(--color-white);
  border: 2px solid var(--color-brown-light);
  border-radius: var(--border-radius-full);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-dark);
  transition: var(--transition-normal);
  white-space: nowrap;
}

.feature-badge:hover {
  background: var(--color-brown);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-brown);
}

/* Stats - RESPONSIVE */
.stats-row {
  margin-top: var(--spacing-xl);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-lg);
  justify-items: center;
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
  border: 1px solid rgba(139, 69, 19, 0.1);
  position: relative;
  overflow: hidden;
  min-width: 120px;
  width: 100%;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 3px;
  background: var(--gradient-brown);
  transition: left 0.5s ease;
}

.stat-item:hover::before {
  left: 0;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-brown);
}

.stat-item h5 {
  font-size: clamp(1.25rem, 3vw, 1.8rem);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--spacing-sm);
  color: var(--color-brown);
}

.stat-item small {
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: var(--font-size-xs);
  color: var(--color-gray);
}

/* Hero actions */
.hero-actions {
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--border-radius-xxl);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(139, 69, 19, 0.1);
  margin-top: var(--spacing-xl);
}

/* ==== SECCIÓN CÓMO FUNCIONA - RESPONSIVE ==== */
.como-funciona {
  background-color: var(--color-gray-bg);
  padding: clamp(3rem, 5vw, 5rem) 0;
}

.como-funciona .section-title {
  color: var(--color-gray-dark);
}

/* Cards de pasos - RESPONSIVE */
.step-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-xxl);
  padding: clamp(1.5rem, 3vw, 2.5rem) clamp(1rem, 2vw, 2rem);
  transition: var(--transition-normal);
  border: 1px solid var(--color-gray-lighter);
  height: 100%;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(139, 69, 19, 0.1), transparent);
  transition: left 0.5s ease;
}

.step-card:hover::before {
  left: 100%;
}

.step-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-brown-light);
}

.step-card h5 {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  margin-bottom: 15px;
  color: var(--color-gray-dark);
}

.step-card p {
  color: var(--color-gray);
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  line-height: var(--line-height-normal);
}

/* ==== SECCIÓN POR QUÉ ELEGIR - RESPONSIVE ==== */
.porque-elegir {
  background: var(--gradient-gray);
  color: var(--color-white);
  padding: clamp(3rem, 5vw, 5rem) 0;
  position: relative;
}

.porque-elegir::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%238B4513" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
}

.porque-elegir .container {
  position: relative;
  z-index: 2;
}

.porque-elegir .section-title {
  color: var(--color-white);
}

.porque-elegir .section-title::after {
  background: linear-gradient(90deg, var(--color-white), rgba(255, 255, 255, 0.8));
}

.card-elegir {
  background-color: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-xxl);
  padding: clamp(1.5rem, 3vw, 2.5rem) clamp(1rem, 2vw, 2rem);
  transition: var(--transition-normal);
  height: 100%;
  text-align: center;
}

.card-elegir:hover {
  transform: translateY(-10px);
  background-color: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-xxl);
  border-color: var(--color-brown-light);
}

.card-elegir h5 {
  color: var(--color-white);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  margin-bottom: 15px;
}

.card-elegir p {
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  line-height: var(--line-height-normal);
}

/* ==== SECCIÓN CTA - RESPONSIVE ==== */
.cta-section {
  background: var(--gradient-brown);
  color: var(--color-white);
  padding: clamp(3rem, 5vw, 5rem) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="%23ffffff" stroke-width="0.5" opacity="0.1"/></svg>');
  animation: rotate 60s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-lg);
  color: var(--color-white);
  font-weight: var(--font-weight-extrabold);
}

.cta-subtext {
  font-size: clamp(1rem, 2vw, 1.2rem);
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.btn-cta {
  background: var(--color-white);
  color: var(--color-brown);
  border: 2px solid var(--color-white);
  padding: 0.875rem 2rem;
  border-radius: var(--border-radius-full);
  font-weight: var(--font-weight-semibold);
  margin: 0;
  transition: var(--transition-normal);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.btn-cta:hover {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
  transform: translateY(-2px);
  text-decoration: none;
}

/* ==== SECCIÓN PRODUCTOS - RESPONSIVE ==== */
.productos-section {
  padding: clamp(2rem, 4vw, 4rem) 0;
}

/* Filtros de productos - RESPONSIVE */
.filtros-productos {
  background: linear-gradient(135deg, var(--color-gray-bg), #f0f0f0);
  border-bottom: 2px solid rgba(139, 69, 19, 0.1);
  backdrop-filter: blur(15px);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg) 0;
  position: sticky;
  top: 110px;
  z-index: 100;
}

/* Líneas de negocio - RESPONSIVE */
.lineas-negocio {
  padding: var(--spacing-md) 0;
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: center;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.btn-linea {
  border-radius: var(--border-radius-full);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border: 2px solid var(--color-gray-lighter);
  color: var(--color-gray);
  background: var(--color-white);
  transition: var(--transition-bounce);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.btn-linea::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.btn-linea:hover::before {
  left: 100%;
}

.btn-linea:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-brown);
}

.btn-linea.active,
.btn-linea:hover {
  background: var(--color-brown);
  border-color: var(--color-brown);
  color: var(--color-white);
}

/* Búsqueda - RESPONSIVE */
.search-box {
  max-width: 100%;
  margin: 0 auto;
}

.search-box .input-group {
  border-radius: var(--border-radius-full);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 2px solid transparent;
  transition: var(--transition-normal);
}

.search-box .input-group:focus-within {
  border-color: var(--color-brown);
  box-shadow: var(--shadow-brown);
  transform: translateY(-2px);
}

.search-box .input-group-text {
  border: none;
  background: var(--color-white);
  padding: 12px 15px;
  color: var(--color-brown);
}

.search-box .form-control {
  border: none;
  padding: 12px 15px;
  font-size: var(--font-size-base);
  background: var(--color-white);
}

.search-box .form-control:focus {
  box-shadow: none;
  border: none;
}

/* Filtros adicionales - RESPONSIVE */
.filtros-adicionales {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md) 0;
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: center;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.filter-group select {
  border-radius: var(--border-radius-full);
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid var(--color-gray-bg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  background: var(--color-white);
  transition: var(--transition-normal);
  min-width: 140px;
  min-height: 44px;
}

.filter-group select:focus {
  border-color: var(--color-brown);
  box-shadow: 0 0 0 0.2rem rgba(139, 69, 19, 0.15);
  transform: translateY(-1px);
  outline: none;
}

/* Información de resultados */
.resultados-info {
  background: var(--color-white);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-brown);
  margin-bottom: var(--spacing-lg);
}

.resultados-info span {
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-dark);
}

#productos-count {
  color: var(--color-brown);
  font-weight: var(--font-weight-extrabold);
  font-size: var(--font-size-lg);
}

/* Controles de vista */
.controles-vista {
  background: var(--color-white);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-lg);
}

.vista-toggle .btn {
  border: 2px solid var(--color-gray-bg);
  color: var(--color-gray);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  transition: var(--transition-normal);
  min-height: 44px;
}

.vista-toggle .btn.active,
.vista-toggle .btn:hover {
  background: var(--color-brown);
  border-color: var(--color-brown);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* Grid de productos - ULTRA RESPONSIVE */
.productos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr));
  gap: clamp(1rem, 2vw, 2rem);
  margin-top: var(--spacing-xl);
}

/* Cards de productos mejorados - RESPONSIVE */
.producto-card {
  background: var(--color-white);
  border-radius: var(--border-radius-xxl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-bounce);
  height: 100%;
  border: 2px solid transparent;
  position: relative;
  display: flex;
  flex-direction: column;
}

.producto-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-brown);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.producto-card:hover::before {
  transform: scaleX(1);
}

.producto-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-xxl);
  border-color: var(--color-brown-light);
}

/* Imagen de producto - RESPONSIVE */
.producto-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: linear-gradient(45deg, var(--color-gray-bg), #f8f9fa);
  display: flex;
  align-items: center;
  justify-content: center;
}

.producto-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(139, 69, 19, 0.05) 100%);
}

.producto-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.producto-card:hover .producto-image img {
  transform: scale(1.1);
}

.producto-image i {
  font-size: 3rem;
  color: var(--color-gray-light);
  opacity: 0.6;
  transition: var(--transition-normal);
}

.producto-card:hover .producto-image i {
  opacity: 0.8;
  transform: scale(1.1);
}

/* Badge del producto */
.producto-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: var(--font-size-xs);
  padding: 6px 12px;
  border-radius: var(--border-radius-full);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: 3;
  box-shadow: var(--shadow-md);
}

/* Información del producto - RESPONSIVE */
.producto-info {
  padding: clamp(1rem, 2vw, 1.5rem);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.producto-categoria {
  color: var(--color-brown);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.producto-nombre {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-dark);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-tight);
  min-height: 2.6em;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.producto-descripcion {
  color: var(--color-gray);
  font-size: clamp(0.85rem, 1.5vw, 0.95rem);
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-normal);
  min-height: 3em;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.producto-precio {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding: 12px 0;
  border-top: 1px solid var(--color-gray-bg);
  border-bottom: 1px solid var(--color-gray-bg);
  flex-wrap: wrap;
}

.precio-actual {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-brown);
}

.precio-anterior {
  font-size: var(--font-size-base);
  color: var(--color-gray-light);
  text-decoration: line-through;
}

.descuento {
  background: var(--color-danger);
  color: var(--color-white);
  padding: 3px 8px;
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}

.proveedor-info {
  font-size: var(--font-size-xs);
  color: var(--color-gray-light);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: var(--font-weight-medium);
}

/* Acciones del producto - RESPONSIVE */
.producto-acciones {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: auto;
}

.producto-acciones .btn {
  font-weight: var(--font-weight-semibold);
  font-size: clamp(0.8rem, 1.5vw, 0.95rem);
  padding: 12px 18px;
  border-radius: var(--border-radius-full);
  flex: 1;
  min-width: 120px;
  min-height: 44px;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.producto-acciones .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.producto-acciones .btn:hover::before {
  left: 100%;
}

.producto-acciones .btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Estados específicos de botones */
.btn-cotizar {
  background: var(--gradient-brown);
  border: none;
  color: var(--color-white);
}

.btn-comprar {
  background: linear-gradient(135deg, var(--color-success), #218838);
  border: none;
  color: var(--color-white);
}

.btn-detalle {
  background: transparent;
  border: 2px solid var(--color-gray-lighter);
  color: var(--color-gray);
}

.btn-detalle:hover {
  border-color: var(--color-brown);
  color: var(--color-brown);
  background: rgba(139, 69, 19, 0.05);
}

/* Loading y estados vacíos */
#loading-spinner {
  padding: clamp(3rem, 5vw, 5rem) 0;
  text-align: center;
}

#loading-spinner .spinner-border {
  color: var(--color-brown);
  width: 4rem;
  height: 4rem;
  border-width: 0.4rem;
}

#no-results {
  padding: clamp(3rem, 5vw, 5rem) 0;
  text-align: center;
}

#no-results i {
  color: var(--color-gray-light);
  margin-bottom: var(--spacing-xl);
  font-size: 4rem;
}

#no-results h4 {
  color: var(--color-gray);
  margin-bottom: var(--spacing-lg);
}

.sugerencias {
  background: var(--color-gray-bg);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xxl);
  margin-top: var(--spacing-xl);
}

/* Paginación - RESPONSIVE */
.pagination {
  margin: var(--spacing-xl) 0 0 0;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pagination .page-link {
  color: var(--color-brown);
  border: 2px solid var(--color-gray-bg);
  border-radius: var(--border-radius-lg);
  margin: 0;
  padding: var(--spacing-md) var(--spacing-lg);
  font-weight: var(--font-weight-semibold);
  transition: var(--transition-normal);
  background: var(--color-white);
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pagination .page-link:hover {
  background: var(--color-brown);
  border-color: var(--color-brown);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-brown);
}

.pagination .page-item.active .page-link {
  background: var(--color-brown);
  border-color: var(--color-brown);
  color: var(--color-white);
  box-shadow: var(--shadow-brown);
}

/* ==== FOOTER - HEREDADO ==== */
footer {
  background-color: var(--color-gray-dark);
  color: var(--color-white);
  padding: clamp(3rem, 5vw, 5rem) 0 var(--spacing-xl) 0;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-brown);
}

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

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-white);
  transition: var(--transition-normal);
  opacity: 0.8;
  text-decoration: none;
  padding: var(--spacing-xs) 0;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--color-brown);
  opacity: 1;
  transform: translateX(5px);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.social-links a {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: var(--font-size-lg);
  transition: var(--transition-normal);
  text-decoration: none;
}

.social-links a:hover {
  background: var(--color-brown);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-brown);
}

/* ===== RESPONSIVE - MÓVIL EXTRA PEQUEÑO (< 400px) ===== */
@media (max-width: 399.98px) {
  .productos-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .stat-item {
    min-width: 100px;
    padding: var(--spacing-md) var(--spacing-sm);
  }
  
  .producto-acciones {
    flex-direction: column;
  }
  
  .producto-acciones .btn {
    width: 100%;
    min-width: auto;
  }
  
  .lineas-negocio {
    gap: 0.5rem;
  }
  
  .btn-linea {
    font-size: 0.75rem;
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .filter-group select {
    min-width: 120px;
    font-size: 0.75rem;
  }
}

/* ===== RESPONSIVE - MÓVIL PEQUEÑO (< 576px) ===== */
@media (max-width: 575.98px) {
  .hero {
    min-height: 50vh;
  }
  
  .productos-grid {
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 160px), 1fr));
  }
  
  .filtros-productos {
    position: relative;
    top: auto;
  }
  
  .stats-row {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-md);
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  
  .btn-cta {
    width: 100%;
  }
  
  .pagination .page-link {
    padding: var(--spacing-sm) var(--spacing-md);
    min-width: 40px;
    min-height: 40px;
  }
}

/* ===== RESPONSIVE - MÓVIL GRANDE Y TABLET (< 768px) ===== */
@media (max-width: 767.98px) {
  .search-box {
    max-width: 100%;
  }
  
  .filtros-adicionales {
    flex-direction: column;
    align-items: stretch;
  }
  
  .filter-group select {
    width: 100%;
  }
  
  .productos-grid {
    gap: 1rem;
  }
}

/* ===== RESPONSIVE - TABLET (< 992px) ===== */
@media (max-width: 991.98px) {
  .filtros-productos {
    top: 100px;
  }
  
  .productos-grid {
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr));
  }
}

/* ===== ACCESIBILIDAD ===== */
@media (prefers-reduced-motion: reduce) {
  .producto-card,
  .step-card,
  .card-elegir,
  .btn-linea {
    animation: none !important;
    transition: none !important;
  }
  
  .producto-card:hover,
  .step-card:hover {
    transform: none !important;
  }
}

/* ===== OPTIMIZACIÓN DE RENDIMIENTO ===== */
.producto-card,
.step-card,
.card-elegir,
.stat-item {
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.productos-grid {
  contain: layout style paint;
}