/* Motion stays inside the existing page, with fully readable static fallbacks. */
:root { --motion-ease: cubic-bezier(.16, 1, .3, 1); }
.motion-title-line { display: block; overflow: clip; padding-bottom: .14em; margin-bottom: -.14em; }
.motion-line-text { display: block; }
body[data-motion-theme="digital"] .hero h1 > .motion-title-line:first-child { color: var(--ink); }
.site-header.motion-scrolled { box-shadow: 0 6px 24px -12px rgb(16 28 38 / 24%); }

@media (prefers-reduced-motion: no-preference) {
  .site-header { transition: box-shadow 280ms ease; }
  .motion-enhanced .motion-hero-title {
    translate: 0 var(--hero-y, 0px);
    scale: var(--hero-scale, 1);
    transform-origin: center top;
  }
  body[data-motion-theme="northbank"] .motion-hero-title,
  body[data-motion-theme="fieldwork"] .motion-hero-title { transform-origin: left top; }
  .motion-enhanced .motion-scroll-card {
    translate: 0 var(--card-y, 0px);
    scale: var(--card-scale, 1);
    rotate: var(--card-rotate, 0deg);
    transform-origin: center top;
  }
  .motion-enhanced .motion-photo-frame { position: relative; }
  .motion-enhanced .motion-photo-image {
    position: absolute;
    top: calc(0px - var(--photo-room, 0px));
    left: 0;
    width: 100%;
    max-width: none;
    height: calc(100% + var(--photo-room, 0px) * 2);
    object-fit: cover;
    transform: translate3d(0, var(--photo-y, 0px), 0) scale(var(--photo-zoom, 1));
  }
  .button, .nav-cta {
    transition: background 180ms ease, border-color 180ms ease,
      transform 280ms var(--motion-ease), box-shadow 280ms ease;
  }
  .button > span[aria-hidden="true"], .nav-cta > span[aria-hidden="true"],
  .project-link > span[aria-hidden="true"], .text-link > span[aria-hidden="true"],
  .service-enquiry > span[aria-hidden="true"], .inline-link > span[aria-hidden="true"] {
    display: inline-block;
    transition: transform 280ms var(--motion-ease);
  }
  .main-nav > a:not(.nav-cta), .primary-nav > a:not(.button) {
    background-image: linear-gradient(currentColor, currentColor);
    background-position: left bottom;
    background-repeat: no-repeat;
    background-size: 0 1px;
    transition: background-size 240ms var(--motion-ease), color 180ms ease;
  }
  .main-nav > a:not(.nav-cta):focus-visible,
  .primary-nav > a:not(.button):focus-visible { background-size: 100% 1px; }
  .details-icon::after { transition: transform 220ms var(--motion-ease); }
}

@media (prefers-reduced-motion: no-preference) and (hover: hover) and (pointer: fine) {
  .button:not(:disabled):hover, .nav-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -14px rgb(16 28 38 / 45%);
  }
  .button:active, .nav-cta:active { transform: translateY(0); box-shadow: none; }
  .button:hover > span[aria-hidden="true"], .nav-cta:hover > span[aria-hidden="true"],
  .project-card-link:hover .project-link > span[aria-hidden="true"],
  .text-link:hover > span[aria-hidden="true"], .service-enquiry:hover > span[aria-hidden="true"],
  .inline-link:hover > span[aria-hidden="true"] { transform: translateX(2px); }
  .main-nav > a:not(.nav-cta):hover, .primary-nav > a:not(.button):hover { background-size: 100% 1px; text-decoration: none; }
  .project-image > img { transition: transform 800ms var(--motion-ease); }
  .project-card-link:hover .project-image > img,
  .project-card-link:focus-visible .project-image > img { transform: scale(1.035); }
  .motion-enhanced .motion-photo-image { transition: scale 700ms var(--motion-ease); }
  .service-card:hover .motion-photo-image, .idea-card:hover .motion-photo-image,
  .about-photo:hover .motion-photo-image { scale: 1.035; }
  body[data-motion-theme="fieldwork"] .service-index { transition: background-color 260ms ease, border-color 260ms ease; }
  body[data-motion-theme="fieldwork"] .service-card:hover .service-index { background: var(--lime); border-color: var(--lime); }
}

@media (prefers-reduced-motion: reduce), print {
  .motion-hero-title, .motion-scroll-card { translate: none !important; scale: none !important; rotate: none !important; }
  .motion-photo-image { transform: none !important; scale: none !important; }
}
@media print { .site-header.motion-scrolled { box-shadow: none; } }