/* Shared back link to the landing page – identical on every section */
@font-face {
  font-family: "SVD Back";
  src: url('../design/assets/fonts/source_sans/SourceSansPro-Semibold.woff') format('woff');
  font-weight: 500; font-style: normal; font-display: swap;
}
a.svd-back,
a.svd-back:link,
a.svd-back:visited {
  position: fixed;
  top: 0.9rem;
  left: 1rem;
  z-index: 10000;
  font-family: "SVD Back", "Source Sans", system-ui, sans-serif;
  font-weight: 500;
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: #fff;
  background: none;
  border: 0;
  padding: 0.4em 0;
  mix-blend-mode: difference;   /* readable on white, black and video */
}
a.svd-back::before { content: "\2190\00a0\00a0"; }  /* ← */
a.svd-back:hover,
a.svd-back:focus-visible {
  background: none;
  color: #fff;
  border: 0;
  text-decoration: underline;
  text-underline-offset: 0.35em;
}