/* ==========================================================================
   MOTION UTILITIES
   Only transform/opacity are animated so nothing triggers layout.
   Everything degrades to "already visible" when JS or motion is unavailable.
   ========================================================================== */

/* Reveal-on-scroll.
   Content is hidden ONLY once site.js has added .reveal-armed and confirmed it
   can observe the element. If JS is off, IntersectionObserver is unavailable, or
   the observer never fires, nothing is ever hidden — copy must never be able to
   get stuck at opacity 0. */
[data-reveal].reveal-armed {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 620ms var(--ease), transform 620ms var(--ease);
}
[data-reveal].reveal-armed.is-visible {
  opacity: 1;
  transform: none;
}
[data-reveal-delay="1"].reveal-armed { transition-delay: 80ms; }
[data-reveal-delay="2"].reveal-armed { transition-delay: 160ms; }
[data-reveal-delay="3"].reveal-armed { transition-delay: 240ms; }
[data-reveal-delay="4"].reveal-armed { transition-delay: 320ms; }

/* Skeleton shimmer for images still decoding. */
.img-placeholder {
  background: linear-gradient(90deg, var(--surface-3) 25%, var(--surface-2) 50%, var(--surface-3) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
}
@keyframes shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-reveal].reveal-armed { opacity: 1; transform: none; transition: none; }
  .img-placeholder { animation: none; }
}

@media (prefers-contrast: more) {
  .card, .person, .office, .faq__item, .table-scroll { border-color: var(--navy-700); }
  .badge { border-color: #fff; }
  .hero__scrim { background: rgba(6, 11, 20, 0.9); }
}