/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger siblings */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 400ms; }

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ── Emerald Underline Draw ── */
.underline-draw {
  display: block;
  width: 0;
  height: 2px;
  background: var(--emerald);
  margin-top: var(--space-2);
  transition: width 600ms var(--ease-out);
}

.underline-draw.drawn {
  width: 100%;
}

/* Light version for dark backgrounds */
.underline-draw--paper {
  background: var(--paper);
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .underline-draw {
    width: 100%;
    transition: none;
  }

  .reveal-stagger.visible > *,
  .reveal-stagger > * {
    transition: none;
  }
}