/* =============================================================================
   REVIVE FIT — CARROSSEL DE FOTOS
   Arquivo: assets/css/components/carousel.css
   =============================================================================
   Carrossel estilo Instagram: scroll horizontal suave, dots de navegação,
   setas prev/next, touch/swipe em mobile, lazy loading nativo.
   ============================================================================= */

.carousel-section {
  padding-block: var(--esp-4xl);
  overflow: hidden;
}

/* Wrapper principal */
.carousel {
  position: relative;
  width: 100%;
}

/* Track (fita de slides) */
.carousel__track-wrap {
  overflow: hidden;
  border-radius: var(--raio-xl);
}

.carousel__track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
  cursor: grab;
  user-select: none;
}

.carousel__track.dragging {
  cursor: grabbing;
  transition: none;
}

/* Slide individual */
.carousel__slide {
  flex: 0 0 100%;
  width: 100%;
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--cor-fundo-alt);
}

/* Variante: múltiplos slides visíveis */
.carousel--multi .carousel__slide {
  flex: 0 0 calc(33.333% - 12px);
  margin-right: 18px;
  border-radius: var(--raio-lg);
  aspect-ratio: 1/1;
}

.carousel--multi .carousel__slide:last-child {
  margin-right: 0;
}

/* Imagem do slide */
.carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  pointer-events: none;
}

.carousel__slide:hover img {
  transform: scale(1.03);
}

/* Legenda do slide */
.carousel__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--esp-xl) var(--esp-lg) var(--esp-lg);
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, transparent 100%);
  color: #fff;
  font-size: var(--texto-sm);
  font-weight: 500;
  line-height: 1.4;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.carousel__slide:hover .carousel__caption,
.carousel__slide.ativo .carousel__caption {
  opacity: 1;
  transform: translateY(0);
}

/* Link no slide */
.carousel__slide a {
  display: block;
  width: 100%;
  height: 100%;
}

/* =============================================================================
   SETAS DE NAVEGAÇÃO
   ============================================================================= */
.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(4px);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  transition: all var(--transicao-padrao);
  color: var(--cor-primaria);
}

.carousel__btn:hover {
  background: var(--cor-branco);
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.carousel__btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: translateY(-50%);
}

.carousel__btn--prev { left: var(--esp-md); }
.carousel__btn--next { right: var(--esp-md); }

/* Em mobile as setas ficam menores */
@media (max-width: 480px) {
  .carousel__btn {
    width: 36px;
    height: 36px;
  }
  .carousel__btn--prev { left: var(--esp-sm); }
  .carousel__btn--next { right: var(--esp-sm); }
}

/* =============================================================================
   DOTS (INDICADORES)
   ============================================================================= */
.carousel__dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--esp-xs);
  margin-top: var(--esp-lg);
  flex-wrap: wrap;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cor-borda-forte);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all var(--transicao-padrao);
}

.carousel__dot.ativo {
  background: var(--cor-primaria);
  transform: scale(1.3);
}

.carousel__dot:hover:not(.ativo) {
  background: var(--cor-primaria-suave);
  transform: scale(1.15);
}

/* Contador de slides (1 / 8) */
.carousel__counter {
  text-align: center;
  margin-top: var(--esp-sm);
  font-size: var(--texto-xs);
  color: var(--cor-texto-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* =============================================================================
   AUTOPLAY — barra de progresso
   ============================================================================= */
.carousel__progress {
  height: 2px;
  background: var(--cor-borda);
  border-radius: 2px;
  margin-top: var(--esp-sm);
  overflow: hidden;
}

.carousel__progress-bar {
  height: 100%;
  background: var(--cor-primaria-suave);
  border-radius: 2px;
  width: 0%;
  transition: width linear;
}

/* =============================================================================
   GRID DE FOTOS (alternativa ao carrossel — estilo mosaico)
   ============================================================================= */
.foto-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--esp-sm);
}

.foto-grid__item {
  aspect-ratio: 1/1;
  overflow: hidden;
  border-radius: var(--raio-md);
  background: var(--cor-fundo-alt);
  position: relative;
}

.foto-grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.foto-grid__item:hover img {
  transform: scale(1.06);
}

.foto-grid__item--grande {
  grid-row: span 2;
  grid-column: span 2;
}

@media (max-width: 480px) {
  .foto-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .foto-grid__item--grande {
    grid-row: span 1;
    grid-column: span 1;
  }
  .carousel--multi .carousel__slide {
    flex: 0 0 calc(80% - 8px);
    margin-right: 12px;
  }
}