/* Corpus Savoy: unique shared return-to-top control.
   Native fragment link, visually compact, without volume-specific themes. */
.corpus-return-top {
  position: fixed;
  z-index: 100;
  right: clamp(.85rem, 2vw, 1.3rem);
  bottom: calc(.85rem + env(safe-area-inset-bottom, 0px));
  box-sizing: border-box;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid #a57f46;
  border-radius: 50%;
  background: #f5f2eb;
  box-shadow: 0 2px 12px rgb(49 56 50 / 16%);
  color: #313832;
  text-align: center;
  text-decoration: none;
  font: 500 27px/1 "Savoy Source Sans 3", "Source Sans 3", sans-serif;
  transition: opacity 160ms ease, background-color 160ms ease;
}
.corpus-return-top:hover {
  background: #ece5d7;
  color: #282923;
}
.corpus-return-top:focus-visible {
  outline: 3px solid #313832;
  outline-offset: 3px;
}
html.corpus-return-top-ready .corpus-return-top:not([data-visible]) {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
  .corpus-return-top { transition: none; }
}