:root {
  --negro: #0a0a0a;
  --negro-suave: #1a1a1a;
  --acento: #1e40af;
  --acento-claro: #3b82f6;
  --gris-fondo: #f8fafc;
  --gris-borde: #e2e8f0;
  --texto: #0f172a;
  --texto-suave: #64748b;
  --verde: #16a34a;
  --rojo: #dc2626;
  --amarillo: #f59e0b;
  --sombra: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --sombra-hover: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--gris-fondo);
  color: var(--texto);
  line-height: 1.5;
}

.cabecera {
  background: var(--negro);
  color: white;
  padding: 1rem;
  box-shadow: var(--sombra);
  border-bottom: 3px solid var(--acento);
}

.cabecera-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.marca { display: flex; flex-direction: column; gap: 0.35rem; }

.logo {
  height: 44px;
  width: auto;
  display: block;
}

.subtitulo {
  margin: 0;
  opacity: 0.85;
  font-size: 0.95rem;
}

.contacto {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.contacto-fila {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}

.contacto-fila a {
  color: white;
  text-decoration: none;
  font-weight: 600;
}

.contacto-fila a:hover { text-decoration: underline; }

.etiqueta {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.8;
  min-width: 68px;
}

.contenedor {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

.filtros {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

#buscador {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--gris-borde);
  border-radius: 8px;
  background: white;
  transition: border-color 0.15s;
}

#buscador:focus {
  outline: none;
  border-color: var(--negro);
  box-shadow: 0 0 0 3px rgba(10, 10, 10, 0.1);
}

.chips {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.chip {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--gris-borde);
  background: white;
  border-radius: 999px;
  font-size: 0.875rem;
  cursor: pointer;
  color: var(--texto);
  transition: all 0.15s;
}

.chip:hover { border-color: var(--acento-claro); }

.chip.activo {
  background: var(--negro);
  color: white;
  border-color: var(--negro);
}

.contador {
  color: var(--texto-suave);
  font-size: 0.875rem;
  margin: 0 0 1rem 0;
}

.grilla {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.tarjeta {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--sombra);
  transition: transform 0.15s, box-shadow 0.15s;
  display: flex;
  flex-direction: column;
}

.tarjeta:hover {
  transform: translateY(-2px);
  box-shadow: var(--sombra-hover);
}

.foto-cont {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #f1f5f9;
  overflow: hidden;
}

.foto-cont img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.foto-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #cbd5e1;
  font-size: 3rem;
}

.badge-stock {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
}

.badge-stock.disponible { background: var(--verde); }
.badge-stock.pocos { background: var(--amarillo); }
.badge-stock.agotado { background: var(--rojo); }

.tarjeta-cuerpo {
  padding: 0.85rem 1rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.tarjeta-tipo {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--texto-suave);
  font-weight: 600;
}

.tarjeta-modelo {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  color: var(--texto);
}

.tarjeta-obs {
  font-size: 0.8rem;
  color: var(--texto-suave);
  margin: 0;
  min-height: 1.2em;
}

.tarjeta-precio {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--negro);
  margin-top: auto;
  padding-top: 0.5rem;
}

.tarjeta.agotada { opacity: 0.75; }

.vacio {
  text-align: center;
  color: var(--texto-suave);
  padding: 3rem 1rem;
  font-size: 1rem;
}

.oculto { display: none; }

.pie {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--texto-suave);
  font-size: 0.85rem;
  border-top: 1px solid var(--gris-borde);
  margin-top: 2rem;
}

@media (max-width: 640px) {
  .cabecera { padding: 0.75rem 0.9rem; }
  .cabecera-inner { flex-direction: column; gap: 0.75rem; }
  .logo { height: 28px; }
  .subtitulo { font-size: 0.8rem; }
  .contacto { font-size: 0.8rem; gap: 0.2rem; width: 100%; }
  .contacto-fila { gap: 0.4rem; align-items: flex-start; flex-wrap: wrap; }
  .etiqueta { min-width: 50px; font-size: 0.65rem; }
  .contenedor { padding: 1rem 0.9rem; }
  .grilla { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0.6rem; }
  .tarjeta-cuerpo { padding: 0.6rem 0.75rem 0.75rem; }
  .tarjeta-modelo { font-size: 0.85rem; }
  .tarjeta-precio { font-size: 1rem; }
  .tarjeta-tipo { font-size: 0.65rem; }
  .badge-stock { font-size: 0.65rem; padding: 0.2rem 0.5rem; }
  #buscador { font-size: 0.9rem; padding: 0.6rem 0.85rem; }
  .chip { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
}