.cssq-sequence {
  position: relative;
  z-index: 0;
  width: 100%;
  height: var(--cssq-scroll-height, 440vh);
  min-height: var(--cssq-stage-height, 100vh);
  margin: 0;
  /* The tall element is an invisible scroll track, not a painted container. */
  background: transparent;
}

.cssq-sequence,
.cssq-sequence *,
.cssq-sequence *::before,
.cssq-sequence *::after {
  box-sizing: border-box;
}

.cssq-sequence__stage {
  position: sticky;
  z-index: 0;
  top: 0;
  width: 100%;
  height: var(--cssq-stage-height, 100vh);
  min-height: 1px;
  overflow: hidden;
  background: var(--cssq-background, #dededd);
  isolation: isolate;
}

/* ScrollTrigger replaces the no-JavaScript sticky fallback with a transform pin. */
.cssq-sequence__stage.cssq-gsap-pin {
  position: relative;
  will-change: transform;
}

.cssq-sequence.cssq-auto-height .cssq-sequence__stage {
  height: auto;
  aspect-ratio: var(--cssq-aspect, 16 / 9);
}

.cssq-sequence.cssq-auto-height .cs-sequence-overlay {
  height: 100%;
}

.cssq-sequence__poster,
.cssq-sequence__canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  border: 0;
  background: var(--cssq-background, #dededd);
}

.cssq-sequence__poster {
  z-index: 0;
  object-fit: var(--cssq-fit, contain);
}

.cssq-sequence__canvas {
  z-index: 1;
  visibility: hidden;
}

.cssq-sequence.cssq-is-ready .cssq-sequence__canvas {
  visibility: visible;
}

.cssq-sequence.cssq-is-ready .cssq-sequence__poster {
  visibility: hidden;
}

.cssq-empty-sequence {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px dashed currentColor;
}

/* Optional Cornerstone wrapper connected with overlay="element-id". */
.cs-sequence-overlay {
  position: absolute !important;
  z-index: 10;
  inset: 0;
  width: 100%;
  height: var(--cssq-stage-height, 100vh);
  margin: 0;
  transform: none;
  transition-property: none !important;
  will-change: auto;
}

@media (max-width: 700px) {
  .cssq-sequence {
    height: var(--cssq-mobile-scroll-height, 390vh);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cssq-sequence {
    height: var(--cssq-stage-height, 100vh);
  }

  .cssq-sequence__stage,
  .cs-sequence-overlay {
    position: relative;
    transform: none !important;
    will-change: auto;
  }

  .cs-sequence-overlay {
    position: absolute !important;
  }

  .cssq-sequence.cssq-auto-height {
    height: auto;
    min-height: 0;
  }
}

.cssq-sequence.cssq-reduced-motion {
  height: var(--cssq-stage-height, 100vh);
}

.cssq-sequence.cssq-reduced-motion .cssq-sequence__stage {
  position: relative;
  transform: none !important;
  will-change: auto;
}

.cssq-sequence.cssq-reduced-motion.cssq-auto-height {
  height: auto;
  min-height: 0;
}