.brands-slider {
  overflow: hidden;
  position: relative;
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  transition: opacity 0.3s ease-in-out, height 0.3s ease-in-out;
}

.brands-slider.hidden {
  opacity: 0;
  height: 0;
  padding: 0;
  margin: 0;
  overflow: hidden;
  transition: opacity 0.3s ease-in-out, height 0.3s ease-in-out;
}

.brands-track-1,
.brands-track-2 {
  display: flex;
  width: calc(var(--brand-item-width, 160px) * 32);
  margin-left: calc(var(--brand-item-width, 160px) * -16);
}

.brands-track-1 {
  animation: brands-slide-track 30s linear infinite;
}

.brands-track-2 {
  animation: brands-slide-track 30s linear infinite reverse;
  animation-delay: -15s;
}

.brands-track-1:hover,
.brands-track-2:hover {
  animation-play-state: paused;
}

@keyframes brands-slide-track {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(100%);
  }
}

.brand-item {
  width: var(--brand-item-width, 160px);
  height: var(--brand-item-height, 80px);
  flex-shrink: 0;
  padding: 10px;
}

.brand-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: all 0.3s ease;
}

/* Cotizador IA — fondo oscuro */
.brands-slider--dark .brand-item img {
  filter: grayscale(100%) brightness(200%);
  opacity: 0.7;
}

.brands-slider--dark .brand-item:hover img {
  filter: grayscale(0%) brightness(100%);
  opacity: 1;
}

/* Hero home — fondo claro bajo el carrusel */
.brands-slider--hero {
  --brand-item-width: 112px;
  --brand-item-height: 52px;
  padding: 10px 0 4px;
  gap: 8px;
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.55);
}

.brands-slider--hero .brand-item {
  padding: 6px;
}

.brands-slider--hero .brand-item img {
  filter: grayscale(100%);
  opacity: 0.72;
}

.brands-slider--hero .brand-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

@media (max-width: 576px) {
  .brands-slider--hero {
    --brand-item-width: 88px;
    --brand-item-height: 44px;
    padding: 8px 0 2px;
  }
}