/* ============================================================
   VETAPP — Animations (Subtle, Purposeful)
   ============================================================ */

/* ── Keyframes ── */

@keyframes fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

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

/* ── Scroll reveal ── */

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
}

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

/* ── Stagger children ── */

[data-stagger] > * {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
}

[data-stagger].is-visible > *:nth-child(1) { transition-delay: 0ms;   opacity: 1; transform: none; }
[data-stagger].is-visible > *:nth-child(2) { transition-delay: 60ms;  opacity: 1; transform: none; }
[data-stagger].is-visible > *:nth-child(3) { transition-delay: 120ms; opacity: 1; transform: none; }
[data-stagger].is-visible > *:nth-child(4) { transition-delay: 180ms; opacity: 1; transform: none; }
[data-stagger].is-visible > *:nth-child(5) { transition-delay: 240ms; opacity: 1; transform: none; }
[data-stagger].is-visible > *:nth-child(6) { transition-delay: 300ms; opacity: 1; transform: none; }
[data-stagger].is-visible > *:nth-child(7) { transition-delay: 360ms; opacity: 1; transform: none; }
[data-stagger].is-visible > *:nth-child(8) { transition-delay: 420ms; opacity: 1; transform: none; }

/* ── Hero entry ── */

.hero-entry { animation: fade-up 0.5s var(--ease-out) forwards; }
.hero-entry--1 { animation-delay: 0ms; }
.hero-entry--2 { animation-delay: 80ms; }
.hero-entry--3 { animation-delay: 160ms; }
.hero-entry--4 { animation-delay: 240ms; }

/* ── Reduced motion ── */

@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-stagger] > *, .hero-entry {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }
}