/* === CAROUSEL === */
.carousel-container {
  width: 100%;
  overflow: hidden;
  margin-top: 24px;
  padding: 24px 0 32px;
  /* Safari: Force new compositing context */
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

.carousel-track {
  display: flex;
  gap: 24px;
  /* Use translate3d for Safari GPU acceleration */
  animation: scroll-left 40s linear infinite;
  /* Safari: Rendering optimization */
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  will-change: transform;
  /* Prevent text selection during drag */
  user-select: none;
  -webkit-user-select: none;
}

/* Individual carousel items */
.carousel-item {
  position: relative;
  flex-shrink: 0;
  width: 400px;
  aspect-ratio: 4 / 3;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-card);
  /* Safari: Force individual GPU acceleration */
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  /* Tilt effect base */
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  transform: perspective(1000px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transition: transform 0.15s ease-out, box-shadow 0.2s ease-out;
  transform-style: preserve-3d;
  cursor: pointer;
}

/* Link wrapper for clickable carousel items */
.carousel-item-link {
  display: block;
  flex-shrink: 0;
  text-decoration: none;
  color: inherit;
}

.carousel-item:hover {
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.2),
    0 4px 8px rgba(0, 0, 0, 0.15),
    0 8px 16px rgba(0, 0, 0, 0.1),
    0 16px 32px rgba(0, 0, 0, 0.08);
}

.carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Safari: Prevent flicker on hover */
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  pointer-events: none;
}

/* Project name overlay */
.project-name {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 16px 16px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
  color: #fafafa;
  font-size: 0.9375rem;
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

/* Infinite scroll animation - using translate3d for Safari */
@keyframes scroll-left {
  0% {
    transform: translate3d(0, 0, 0);
  }

  100% {
    /* Move exactly half (first complete set) */
    /* 6 items * (400px width + 24px gap) = 2544px */
    transform: translate3d(-2544px, 0, 0);
  }
}

/* Pause animation on hover */
.carousel-container:hover .carousel-track {
  animation-play-state: paused;
}

/* Show project name on hover (desktop) */
.carousel-item:hover .project-name {
  opacity: 1;
}

/* Navigation Arrows */
.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(22, 22, 22, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.3s ease, background-color 0.2s ease, transform 0.2s ease;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.carousel-nav:hover {
  background: rgba(255, 255, 255, 0.1);
}

.carousel-nav:active {
  transform: translateY(-50%) scale(0.95);
}

.carousel-nav svg {
  width: 24px;
  height: 24px;
}

.carousel-nav.prev {
  left: 24px;
}

.carousel-nav.next {
  right: 24px;
}

/* Show arrows on hover */
.carousel-container:hover .carousel-nav {
  opacity: 1;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .carousel-track {
    gap: 16px;
    animation-duration: 30s;
  }

  .carousel-item {
    width: 300px;
    aspect-ratio: 4 / 3;
    border-radius: 12px;
  }

  /* Always show project name on mobile */
  .project-name {
    opacity: 1;
  }

  @keyframes scroll-left {
    0% {
      transform: translate3d(0, 0, 0);
    }

    100% {
      /* 6 items * (300px + 16px) = 1896px */
      transform: translate3d(-1896px, 0, 0);
    }
  }
}

@media (max-width: 480px) {
  .carousel-track {
    gap: 12px;
    animation-duration: 25s;
  }

  .carousel-item {
    width: 260px;
    aspect-ratio: 4 / 3;
    border-radius: 10px;
  }

  @keyframes scroll-left {
    0% {
      transform: translate3d(0, 0, 0);
    }

    100% {
      /* 6 items * (260px + 12px) = 1632px */
      transform: translate3d(-1632px, 0, 0);
    }
  }
}

/* === SAFARI-SPECIFIC FIXES === */
@supports (-webkit-touch-callout: none) {
  .carousel-track {
    /* Safari: Force repaint */
    -webkit-transform: translate3d(0, 0, 0);
  }

  .carousel-item {
    /* Safari: Prevent element disappearance */
    -webkit-transform: translate3d(0, 0, 0) scale(1);
  }

  .carousel-item img {
    /* Safari: Ensure images always paint */
    -webkit-transform: translateZ(1px);
    transform: translateZ(1px);
  }

  /* Safari: Force layer creation to prevent ghost elements */
  .carousel-item::before {
    content: '';
    position: absolute;
    inset: 0;
    -webkit-transform: translateZ(0);
    pointer-events: none;
  }
}

/* iOS Safari specific */
@supports (-webkit-overflow-scrolling: touch) {
  .carousel-container {
    -webkit-overflow-scrolling: touch;
  }
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  .carousel-track {
    animation: none;
  }

  .carousel-item {
    transition: none;
  }
}