.project-gallery {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--bg-warm);
  border: 1px solid var(--rule);
  border-radius: 10px;
  isolation: isolate;
}

.gallery-viewport,
.gallery-slide {
  position: absolute;
  inset: 0;
}

.gallery-slide {
  opacity: 0;
  visibility: hidden;
  transform: translate3d(5%, 0, 0) scale(.985);
  transition:
    opacity 500ms ease,
    transform 800ms cubic-bezier(.16, 1, .3, 1),
    visibility 500ms;
  pointer-events: none;
}

.gallery-slide.is-before { transform: translate3d(-5%, 0, 0) scale(.985); }
.gallery-slide.is-active { opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
.gallery-slide > img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top; }

.project-gallery--contain {
  aspect-ratio: 16 / 11;
  background: oklch(.14 .018 260);
}

.project-gallery--contain .gallery-viewport {
  bottom: 64px;
}

.project-gallery--contain .gallery-slide > img {
  object-fit: contain;
  object-position: center;
}

.gallery-diagram {
  display: grid;
  place-items: center;
  padding: clamp(28px, 5vw, 64px);
  background:
    radial-gradient(circle at 50% 44%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 45%),
    var(--bg-warm);
}

.architecture-diagram { width: 100%; height: 100%; overflow: visible; }
.architecture-diagram .diagram-node {
  fill: var(--paper);
  stroke: var(--rule);
  stroke-width: 2;
}
.architecture-diagram .diagram-node-emphasis {
  fill: color-mix(in srgb, var(--accent) 10%, var(--paper));
  stroke: var(--accent);
}
.architecture-diagram .diagram-title {
  fill: var(--ink);
  font: 600 22px var(--body);
  letter-spacing: -.01em;
}
.architecture-diagram .diagram-copy {
  fill: var(--ink-soft);
  font: 400 16px var(--body);
}
.architecture-diagram .diagram-kicker {
  fill: var(--accent);
  font: 500 13px var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.architecture-diagram .diagram-edge {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 10 10;
  opacity: .72;
}
.gallery-slide.is-active .diagram-edge { animation: diagram-flow 1.8s linear infinite; }

.gallery-chrome {
  position: absolute;
  inset: auto 0 0;
  z-index: 5;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding: 12px 14px;
  background: linear-gradient(transparent, rgba(4, 6, 12, .92) 38%);
  color: #f7f8fb;
}

.gallery-counter {
  font: 500 11px/1 var(--mono);
  letter-spacing: .12em;
  color: rgba(247, 248, 251, .66);
}
.gallery-label { font: 500 14px/1.2 var(--body); }
.gallery-actions { display: flex; gap: 6px; }
.gallery-arrow {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid rgba(247, 248, 251, .26);
  border-radius: 50%;
  background: rgba(4, 6, 12, .48);
  color: #f7f8fb;
  cursor: pointer;
  transition: background 200ms ease, border-color 200ms ease;
}
.gallery-arrow:hover { background: rgba(247, 248, 251, .14); border-color: rgba(247, 248, 251, .6); }
.gallery-arrow:focus-visible { outline: 2px solid #f7f8fb; outline-offset: 2px; }

@keyframes diagram-flow { to { stroke-dashoffset: -40; } }

@media (max-width: 760px) {
  .project-gallery--contain .gallery-viewport { bottom: 58px; }
  .gallery-diagram { padding: 32px 22px 72px; }
  .gallery-chrome { gap: 10px; min-height: 58px; padding: 10px 12px; }
  .gallery-label { font-size: 12px; }
  .gallery-counter { font-size: 9px; }
  .gallery-arrow { width: 36px; height: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  .gallery-slide { transition: none; }
  .gallery-slide.is-active .diagram-edge { animation: none; }
}