/* ── Scroll-triggered animation base states ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children inside a revealed parent */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-stagger.visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0.1s; }
.reveal-stagger.visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.22s; }
.reveal-stagger.visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.34s; }
.reveal-stagger.visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.46s; }

/* Slide in from left */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Slide in from right */
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale in */
.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}