/* Scroll depth stack */
.stack-spacer {
  min-height: 28vh;
}

.stack-stage {
  min-height: 100vh;
  overflow: hidden;
  background: #111315;
  color: #f7f2e8;
  perspective: 1200px;
}

.stack-inner {
  display: grid;
  min-height: 100vh;
  grid-template-columns: minmax(280px, 0.74fr) minmax(320px, 1fr);
  gap: clamp(24px, 6vw, 80px);
  align-items: center;
}

.stack-copy p {
  color: rgba(247, 242, 232, 0.72);
}

.stack-scene {
  position: relative;
  min-height: min(68vh, 660px);
  transform-style: preserve-3d;
}

.stack-layer {
  position: absolute;
  inset: 10%;
  display: grid;
  place-items: end start;
  border: 1px solid rgba(247, 242, 232, 0.18);
  border-radius: 8px;
  padding: clamp(18px, 4vw, 42px);
  background:
    radial-gradient(circle at 24% 18%, rgba(255, 255, 255, 0.34), transparent 27%),
    linear-gradient(145deg, var(--from), var(--to));
  color: #111315;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
  transform-style: preserve-3d;
}

.stack-layer h2 {
  max-width: 8ch;
}

@media (max-width: 820px) {
  .stack-inner {
    grid-template-columns: 1fr;
    align-content: center;
    padding: 40px 0;
  }

  .stack-scene {
    min-height: 52vh;
  }
}