/* ==========================================================================
   TEACUP EMPIRE — Motion system
   Apple-like reveals: fade / blur / translate / scale. No bounce, no elastic.
   Driven by IntersectionObserver toggling .is-revealed (see js/animations.js)
   ========================================================================== */

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(6px);
  transition: opacity var(--dur-slow) var(--ease-premium),
              transform var(--dur-slow) var(--ease-premium),
              filter var(--dur-slow) var(--ease-premium);
  transition-delay: var(--reveal-delay, 0ms);
}

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

[data-reveal="scale"] { transform: scale(0.94); }
[data-reveal="scale"].is-revealed { transform: scale(1); }

[data-reveal="left"] { transform: translateX(-32px); }
[data-reveal="left"].is-revealed { transform: translateX(0); }

[data-reveal="right"] { transform: translateX(32px); }
[data-reveal="right"].is-revealed { transform: translateX(0); }

[data-reveal="fade"] { transform: none; }
[data-reveal="fade"].is-revealed { transform: none; }

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

/* ---- Stagger children helper (JS sets --reveal-delay per child) ---- */

/* ---- Hero load sequence ---- */
.hero-load-item {
  opacity: 0;
  transform: translateY(18px);
  filter: blur(8px);
  animation: heroLoadIn var(--dur-hero) var(--ease-premium) forwards;
  animation-delay: var(--load-delay, 0ms);
}

@keyframes heroLoadIn {
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-load-item { animation: none; opacity: 1; transform: none; filter: none; }
}

/* ---- Spinner ---- */
.spinner {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Marquee (social feed / logo strip, optional) ---- */
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 32s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ---- Fade-in image utility ---- */
img[data-fade] {
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-standard);
}
img[data-fade].is-loaded { opacity: 1; }

/* ---- Counter number transition ---- */
.stat__value[data-counter] { font-variant-numeric: tabular-nums; }