:root {
  --primary-gradient: linear-gradient(135deg, #4a306d 0%, #6d4b99 100%);
  --accent-color: #25D366;
  --secondary-gradient: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --surface-color: #ffffff;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --border-radius-lg: 16px;
  --border-radius-md: 12px;
  --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 8px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-elevation: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.catalogo-header {
  position: relative;
  padding: 80px 30px 40px;
  text-align: center;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  margin-bottom: 40px;
}

.catalogo-header .logo {
  max-width: 120px;
  height: auto;
  margin-bottom: 25px;
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
  animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

.catalogo-header h1 {
  font-size: 2.5rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.catalogo-busqueda {
  margin: 30px auto 0;
  max-width: 700px;
  position: relative;
}

.catalogo-busqueda input[type="text"] {
  width: 100%;
  padding: 16px 25px;
  border: 2px solid transparent;
  border-radius: 99px;
  font-size: 1.1rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(5px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.catalogo-busqueda input[type="text"]:focus {
  outline: none;
  border-color: #4a306d;
  box-shadow: 0 0 0 4px rgba(74, 48, 109, 0.1);
  background: white;
}

.producto-cantidad {
  display: flex;
  align-items: center;
  gap: 15px;
  margin: 20px 0;
  padding: 15px;
  background: #f8fafc;
  border-radius: var(--border-radius-md);
  border: 1px solid #e2e8f0;
  position: relative;
}

.producto-cantidad label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1rem;
  min-width: 80px;
}

.cantidad-input {
  width: 80px;
  padding: 10px 12px;
  border: 2px solid #cbd5e0;
  border-radius: var(--border-radius-md);
  font-size: 1.2rem;
  text-align: center;
  color: var(--text-primary);
  background-color: white;
  font-weight: 600;
  transition: var(--transition-smooth);
  -moz-appearance: textfield;
}

.cantidad-input::-webkit-inner-spin-button,
.cantidad-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.cantidad-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

.cantidad-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--primary-gradient);
  color: white;
  font-size: 1.2rem;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.cantidad-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.cantidad-btn:active {
  transform: scale(0.95);
}

.cantidad-btn.decrease {
  order: -1;
}

.cantidad-btn.increase {
  order: 1;
}

.agregar-cotizacion {
  width: 100%;
  padding: 12px 20px;
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  margin-top: 15px;
  font-size: 1rem;
}

.agregar-cotizacion:hover {
  background: #1fa855;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.agregar-cotizacion.agregado {
  background: #059669;
  transform: scale(1.05);
}

#carrito-flotante {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: white;
  padding: 20px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-elevation);
  z-index: 1000;
  min-width: 300px;
  max-width: 400px;
  border: 1px solid #e2e8f0;
}

#carrito-flotante h3 {
  margin: 0 0 15px;
  color: var(--text-primary);
  font-size: 1.2rem;
  text-align: center;
  padding-bottom: 10px;
  border-bottom: 2px solid #e2e8f0;
}

#productos-seleccionados {
  margin-bottom: 15px;
  max-height: 200px;
  overflow-y: auto;
}

.producto-seleccionado {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  border-bottom: 1px solid #f1f5f9;
  border-radius: var(--border-radius-md);
  margin-bottom: 5px;
  background: #f8fafc;
}

#enviar-whatsapp {
  width: 100%;
  padding: 12px 20px;
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

#enviar-whatsapp:hover {
  background: #1fa855;
}

.catalogo-simple-container {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 30px 60px;
}

.filtro-categorias {
  background: white;
  padding: 30px;
  border-radius: var(--border-radius-lg);
  position: sticky;
  top: 30px;
  height: fit-content;
  box-shadow: 20px 20px 60px #d1d1d1, -20px -20px 60px #ffffff;
  transition: var(--transition-smooth);
}

.filtro-categorias h3 {
  margin: 0 0 25px 0;
  padding-bottom: 15px;
  border-bottom: 2px solid #e5e7eb;
  font-size: 1.3rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.filtro-categorias ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.filtro-categorias a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--border-radius-md);
  background: white;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: var(--transition-smooth);
}

.filtro-categorias .count {
  background: #f3f4f6;
  padding: 4px 12px;
  border-radius: 99px;
  font-size: 0.9em;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.filtro-categorias li.active a,
.filtro-categorias a:hover {
  background: var(--primary-gradient);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.filtro-categorias li.active .count,
.filtro-categorias a:hover .count {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.productos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.producto-card {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  overflow: hidden;
  position: relative;
}

.producto-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-elevation);
}

.producto-imagen {
  position: relative;
  padding-top: 100%;
  background: #f9fafb;
  overflow: hidden;
}

.producto-imagen img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.producto-card:hover .producto-imagen img {
  transform: scale(1.08);
}

.producto-info {
  padding: 25px;
  background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 15%);
}

.producto-sku {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  font-weight: 500;
}

.producto-info h3 {
  margin: 0 0 20px 0;
  font-size: 1.4rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.4;
}

.producto-atributos {
  font-size: 1rem;
}

.atributo {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid #f3f4f6;
}

.atributo:last-child {
  border-bottom: none;
}

.atributo .label {
  color: var(--text-secondary);
  font-weight: 500;
}

.atributo .valor {
  font-weight: 600;
  background: var(--secondary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitulo-catalogo {
  font-size: 1.4em;
  color: #444;
  margin-top: 5px;
  text-align: center;
  font-weight: 300;
  font-style: italic;
  letter-spacing: 1px;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 20px;
  border-bottom: 2px solid #ddd;
  padding-bottom: 10px;
}

@media screen and (max-width: 1200px) {
  .catalogo-simple-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .filtro-categorias {
    position: static;
    width: 100%;
  }

  .filtro-categorias ul {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 15px;
  }
}