/* =========================================================================
   PRIME.FINDS — Animations
   All entrance/reveal animations are intentionally short and are skipped
   entirely for prefers-reduced-motion (see tokens.css + base.css durations).
   ========================================================================= */

/* ---- Scroll reveal (IntersectionObserver adds .is-visible) ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--duration-slow) var(--ease-standard),
              transform var(--duration-slow) var(--ease-standard);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal="fade"] { transform: none; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---- Homepage entrance sequence ---- */
.entrance-mark {
  opacity: 0;
  transform: scale(0.92);
  animation: entrance-pop var(--duration-slow) var(--ease-standard) forwards;
}
.entrance-headline {
  opacity: 0;
  transform: translateY(16px);
  animation: entrance-rise var(--duration-slow) var(--ease-standard) forwards;
  animation-delay: 160ms;
}
.entrance-sub {
  opacity: 0;
  transform: translateY(14px);
  animation: entrance-rise var(--duration-slow) var(--ease-standard) forwards;
  animation-delay: 280ms;
}
.entrance-cta {
  opacity: 0;
  transform: translateY(12px);
  animation: entrance-rise var(--duration-slow) var(--ease-standard) forwards;
  animation-delay: 380ms;
}

@keyframes entrance-pop {
  to { opacity: 1; transform: scale(1); }
}
@keyframes entrance-rise {
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .entrance-mark, .entrance-headline, .entrance-sub, .entrance-cta {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

/* ---- Loading spinner ---- */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--color-border-strong);
  border-top-color: var(--color-gold);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Fade transition helper (page content swap) ---- */
.fade-in { animation: fade-in var(--duration-base) var(--ease-standard) both; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }