/* ==========================================================================
   Neo Production House — animations.css
   Keyframes, scroll-reveal state, and hover/transition polish.
   ========================================================================== */

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 var(--gold-shadow-off); }
  50% { box-shadow: 0 0 18px var(--gold-shadow-on); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  will-change: opacity, transform;
}

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

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.4s; }

/* ---------- Ambient motion ---------- */

.badge .dot {
  animation: pulseGlow 2.6s ease-in-out infinite;
}

.scroll-hint {
  animation: floatY 3s ease-in-out infinite;
}

.nav-brand-name {
  transition: transform var(--dur-med) var(--ease), filter var(--dur-med) var(--ease);
}

.nav-brand:hover .nav-brand-name {
  transform: scale(1.03);
  filter: drop-shadow(0 0 14px var(--gold-glow));
}

/* ---------- Toast entrance ---------- */

.toast.show {
  animation: fadeInUp 0.4s var(--ease);
}

/* ---------- Generic hover lift used across cards (defined once) ---------- */

.service-card {
  will-change: transform;
}

/* ---------- Section entrance stagger helper ---------- */

.stagger > * {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

.stagger.is-visible > *:nth-child(1) { transition-delay: 0s; }
.stagger.is-visible > *:nth-child(2) { transition-delay: 0.08s; }
.stagger.is-visible > *:nth-child(3) { transition-delay: 0.16s; }
.stagger.is-visible > *:nth-child(4) { transition-delay: 0.24s; }
.stagger.is-visible > *:nth-child(5) { transition-delay: 0.32s; }
.stagger.is-visible > *:nth-child(6) { transition-delay: 0.4s; }

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .stagger > * {
    transition-duration: 0.01s;
  }

  .badge .dot,
  .scroll-hint,
  .tilt-stage {
    animation: none;
  }

  .device-frame {
    transition: none;
  }
}