/* ─── Fade-up on scroll ─── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children — parent triggers, children animate in sequence */
.fade-up-children > * {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-up-children.visible > *:nth-child(1) { transition-delay: 0s;    }
.fade-up-children.visible > *:nth-child(2) { transition-delay: 0.12s; }
.fade-up-children.visible > *:nth-child(3) { transition-delay: 0.24s; }
.fade-up-children.visible > *:nth-child(4) { transition-delay: 0.36s; }

.fade-up-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Honour reduced-motion preference ─── */
@media (prefers-reduced-motion: reduce) {
  .fade-up,
  .fade-up-children > * {
    opacity: 1;
    transform: none;
    transition: none;
  }
}