/* A quiet migration backdrop behind guide headings, with no extra page height. */
.guide-migration-hero { position: relative; isolation: isolate; overflow: hidden; }
.guide-migration-hero > migration-hall-background {
  position: absolute;
  z-index: -1;
  width: min(720px, 65vw);
  height: 620px;
  right: -90px;
  top: 50%;
  transform: translateY(-50%);
  opacity: .23;
  pointer-events: none;
  mask-image: linear-gradient(90deg, transparent, #000 65%);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 65%);
}
.guide-migration-hero > .container { position: relative; z-index: 1; }
.guide-motion-toggle {
  position: absolute; z-index: 2; right: 20px; bottom: 12px;
  border: 1px solid #c5dbe5; border-radius: 6px; padding: 6px 10px;
  background: #ffffffed; color: #526274; font: inherit; font-size: 11px; cursor: pointer;
}
.guide-motion-toggle:hover { background: #eaf5fa; }
.guide-motion-toggle:focus-visible { outline: 2px solid #003b5c; outline-offset: 3px; }
@media (max-width: 700px) {
  .guide-migration-hero > migration-hall-background { width: 560px; right: -280px; opacity: .12; }
}
@media (prefers-reduced-motion: reduce) { .guide-motion-toggle { display: none; } }