@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }

  body {
    opacity: 1;
    transition: opacity 180ms ease;
  }

  html.is-leaving body {
    opacity: 0.86;
  }

  .scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    width: 100%;
    height: 3px;
    transform: scaleX(0);
    transform-origin: left center;
    background: linear-gradient(90deg, #084878, #d87830);
    pointer-events: none;
  }

  .topbar {
    transition: background 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
  }

  html.has-scrolled .topbar {
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 14px 34px rgba(6, 25, 39, 0.1);
  }

  .reveal {
    opacity: 0;
    transform: translate3d(0, 14px, 0);
    filter: blur(4px);
    transition:
      opacity 1250ms cubic-bezier(0.16, 1, 0.3, 1),
      transform 1250ms cubic-bezier(0.16, 1, 0.3, 1),
      filter 1250ms cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: var(--reveal-delay, 0ms);
    will-change: opacity, transform, filter;
  }

  .reveal.is-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    filter: blur(0);
  }

  .hero .eyebrow.reveal,
  .hero h1.reveal,
  .hero .lead.reveal,
  .hero .actions.reveal {
    transform: translate3d(0, 9px, 0);
  }

  .photo.reveal,
  .person-card.reveal,
  .portrait.photo.reveal {
    filter: none;
  }

  .btn,
  .nav-action,
  .menu a,
  .card,
  .metric,
  .smart-link,
  .person-card,
  .portrait.photo,
  .photo img {
    transition:
      transform 220ms ease,
      box-shadow 220ms ease,
      border-color 220ms ease,
      background 220ms ease,
      color 220ms ease;
  }

  .btn:hover,
  .nav-action:hover {
    transform: translateY(-2px);
  }

  .person-card:hover .portrait.photo,
  .photo:hover img {
    transform: translateY(-4px);
  }

  .person-card:hover h3 {
    color: #084878;
  }

  .metric:hover,
  .card:hover,
  .smart-link:hover {
    transform: translateY(-5px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}