:root {
  --stagger-dur: 500ms;
  --stagger-distance: 12px;
  --stagger-stagger: 40ms;
  --stagger-blur: 3px;
  --stagger-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --resize-dur: 300ms;
  --resize-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Lines start translated down + blurred + invisible; .is-shown
   on the parent flips them to their resting state. The second
   line's transition-delay holds it back by --stagger-stagger
   so the eye lands on the headline first. */
.t-stagger-line {
  display: block;
  opacity: 0;
  transform: translateY(var(--stagger-distance));
  filter: blur(var(--stagger-blur));
  transition:
    opacity var(--stagger-dur) var(--stagger-ease),
    transform var(--stagger-dur) var(--stagger-ease),
    filter var(--stagger-dur) var(--stagger-ease);
  will-change: transform, opacity, filter;
}
.t-stagger-line--2 {
  transition-delay: var(--stagger-stagger);
}

.t-stagger.is-shown .t-stagger-line {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}
/* Exit decouples from the stagger: same fade for every line,
   no Y return, no blur — so the disappearance reads as a
   single quiet fade instead of a reverse reveal. */
.t-stagger.is-hiding .t-stagger-line {
  opacity: 0;
  transform: translateY(0);
  filter: blur(0);
  transition:
    opacity 200ms ease,
    transform 0s linear,
    filter 0s linear;
  transition-delay: 0s;
}

@media (prefers-reduced-motion: reduce) {
  .t-stagger-line {
    transition: none !important;
  }
}

.t-resize {
  transition:
    width var(--resize-dur) var(--resize-ease),
    height var(--resize-dur) var(--resize-ease);
  will-change: width, height;
}

@media (prefers-reduced-motion: reduce) {
  .t-resize {
    transition: none !important;
  }
}
