/* =============================================
   ANIMATIONS.CSS — Scroll reveal & keyframes
   ============================================= */

/* ---- Scroll reveal base states ---- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-delay {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s 0.2s ease, transform 0.7s 0.2s ease;
}

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

/* ---- Staggered children ---- */
.stagger-children > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.25s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.35s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.45s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.55s; }

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

/* ---- Global keyframes ---- */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slide-right {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ---- Pulse glow for accents ---- */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px var(--color-accent-glow); }
  50%       { box-shadow: 0 0 50px var(--color-accent-glow); }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal-delay {
    opacity: 1;
    transform: none;
  }
}