/**
 * DTSVN — scroll reveal & page motion (global).
 * Paired with site-motion.js; respects prefers-reduced-motion.
 */

:root {
  --d-motion-duration: 0.72s;
  --d-motion-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --d-motion-distance: 28px;
  --d-motion-stagger: 0.08s;
}

html.d-motion-enabled .d-motion {
  opacity: 0;
  transform: translate3d(0, var(--d-motion-distance), 0);
  transition:
    opacity var(--d-motion-duration) var(--d-motion-ease),
    transform var(--d-motion-duration) var(--d-motion-ease);
  transition-delay: calc(var(--d-motion-i, 0) * var(--d-motion-stagger));
  will-change: opacity, transform;
}

html.d-motion-enabled .d-motion.d-motion--fade {
  transform: none;
}

html.d-motion-enabled .d-motion.d-motion--scale {
  transform: scale(0.96);
}

html.d-motion-enabled .d-motion.d-motion--left {
  transform: translate3d(calc(var(--d-motion-distance) * -1), 0, 0);
}

html.d-motion-enabled .d-motion.d-motion--right {
  transform: translate3d(var(--d-motion-distance), 0, 0);
}

html.d-motion-enabled .d-motion.is-inview {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

/* Hero: xuất hiện nhanh khi vào trang */
html.d-motion-enabled .d-motion.d-motion--hero {
  --d-motion-duration: 0.58s;
  --d-motion-distance: 20px;
}

/* Trang sẵn sàng — fade nhẹ main (không ẩn nội dung) */
html.d-motion-enabled.d-motion-ready main.page-content,
html.d-motion-enabled.d-motion-ready body.d-motion-page {
  animation: d-motion-page-in 0.45s var(--d-motion-ease) both;
}

@keyframes d-motion-page-in {
  from {
    opacity: 0.92;
  }
  to {
    opacity: 1;
  }
}

/* Trang pillar — card/listing */
html.d-motion-enabled .page-news__card,
html.d-motion-enabled .page-recruitment__card,
html.d-motion-enabled .page-search__item,
html.d-motion-enabled .projectFeature {
  backface-visibility: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html.d-motion-enabled .d-motion,
  html.d-motion-enabled .d-motion.is-inview {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }

  html.d-motion-enabled.d-motion-ready main.page-content,
  html.d-motion-enabled.d-motion-ready body.d-motion-page {
    animation: none !important;
  }
}