.portfolio3d {
  --carousel-ink: var(--ink, #10192b);
  --carousel-muted: var(--muted, #5c6372);
  color: var(--carousel-ink);
  margin: 0 0 clamp(32px, 5vw, 64px);
}

.portfolio3d__heading {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
  margin-bottom: 14px;
}

.portfolio3d__title {
  font-family: var(--font-display, inherit);
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
  margin: 0;
}

.portfolio3d__hint {
  color: var(--carousel-muted);
  font-size: 0.9rem;
  margin: 0;
}

.portfolio3d__viewport {
  background:
    radial-gradient(ellipse at 50% 100%, color-mix(in srgb, var(--lapis, #2541a3) 12%, transparent), transparent 65%),
    var(--paper-2, #e2e4dc);
  border: 1px solid var(--line, #c9ccc3);
  border-radius: 14px;
  overflow: hidden;
  perspective: 1200px;
  position: relative;
}

.portfolio3d__stage {
  height: clamp(270px, 43vw, 490px);
  position: relative;
  touch-action: pan-y;
  transform-style: preserve-3d;
}

.portfolio3d__slide {
  aspect-ratio: 1.43;
  background: var(--paper-3, #f7f7f4);
  border: 1px solid color-mix(in srgb, var(--ink, #10192b) 12%, transparent);
  border-radius: 10px;
  box-shadow: 0 22px 48px #10192b30;
  cursor: pointer;
  left: 50%;
  max-height: 88%;
  overflow: hidden;
  padding: 10px;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  transition:
    transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1),
    opacity 450ms ease,
    filter 700ms ease;
  width: min(70%, 690px);
  will-change: transform, opacity;
}

.portfolio3d__slide img {
  border-radius: 5px;
  display: block;
  height: 100%;
  object-fit: contain;
  width: 100%;
}

.portfolio3d__slide[data-position="active"] {
  opacity: 1;
  z-index: 3;
}

.portfolio3d__slide[data-position="prev"] {
  filter: brightness(0.78);
  opacity: 0.76;
  transform: translate(calc(-50% - 64%), -50%) rotateY(27deg) scale(0.82);
  z-index: 2;
}

.portfolio3d__slide[data-position="next"] {
  filter: brightness(0.78);
  opacity: 0.76;
  transform: translate(calc(-50% + 64%), -50%) rotateY(-27deg) scale(0.82);
  z-index: 2;
}

.portfolio3d__slide[data-position="hidden"] {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.68);
  z-index: 1;
}

.portfolio3d__arrow {
  align-items: center;
  background: color-mix(in srgb, var(--paper-3, #f7f7f4) 88%, transparent);
  border: 1px solid var(--line, #c9ccc3);
  border-radius: 50%;
  color: var(--carousel-ink);
  cursor: pointer;
  display: grid;
  font: inherit;
  height: 44px;
  place-items: center;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  transition: background 180ms ease, transform 180ms ease;
  width: 44px;
  z-index: 5;
}

.portfolio3d__arrow:hover {
  background: var(--paper-3, #f7f7f4);
  transform: translateY(-50%) scale(1.06);
}

.portfolio3d__arrow span {
  font-size: 1.4rem;
  line-height: 1;
}

.portfolio3d__arrow--prev {
  left: 14px;
}

.portfolio3d__arrow--next {
  right: 14px;
}

.portfolio3d__footer,
.portfolio3d__navigation {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.portfolio3d__footer {
  gap: 20px;
  padding-top: 16px;
}

.portfolio3d__caption {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.portfolio3d__caption strong {
  font-family: var(--font-display, inherit);
  font-size: 1.05rem;
}

.portfolio3d__caption span,
.portfolio3d__counter {
  color: var(--carousel-muted);
  font-size: 0.88rem;
}

.portfolio3d__navigation {
  flex: none;
  gap: 14px;
}

.portfolio3d__dots {
  align-items: center;
  display: flex;
  gap: 6px;
}

.portfolio3d__dot {
  background: var(--line, #c9ccc3);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  height: 7px;
  padding: 0;
  transition: background 200ms ease, width 200ms ease;
  width: 7px;
}

.portfolio3d__dot[aria-current] {
  background: var(--lapis, #2541a3);
  width: 21px;
}

.portfolio3d button:focus-visible {
  outline: 3px solid var(--lapis, #2541a3);
  outline-offset: 3px;
}

@media (max-width: 680px) {
  .portfolio3d__hint {
    flex-basis: 100%;
  }

  .portfolio3d__stage {
    height: clamp(220px, 65vw, 340px);
  }

  .portfolio3d__slide {
    width: 82%;
  }

  .portfolio3d__slide[data-position="prev"] {
    transform: translate(calc(-50% - 65%), -50%) rotateY(24deg) scale(0.78);
  }

  .portfolio3d__slide[data-position="next"] {
    transform: translate(calc(-50% + 65%), -50%) rotateY(-24deg) scale(0.78);
  }

  .portfolio3d__arrow {
    height: 38px;
    width: 38px;
  }

  .portfolio3d__arrow--prev {
    left: 8px;
  }

  .portfolio3d__arrow--next {
    right: 8px;
  }

  .portfolio3d__footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .portfolio3d__navigation {
    justify-content: space-between;
    width: 100%;
  }

  .portfolio3d__dots {
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio3d__slide,
  .portfolio3d__arrow,
  .portfolio3d__dot {
    scroll-behavior: auto;
    transition-duration: 0.01ms;
  }
}