.subpage-back {
  position: fixed;
  top: clamp(5.4rem, 10vh, 7rem);
  left: max(1rem, calc((100vw - 92rem) / 2));
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  min-height: 3rem;
  padding: .72rem 1rem;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 999px;
  background: rgba(12,12,14,.76);
  color: #fff;
  font-size: .75rem;
  font-weight: 800;
  box-shadow: 0 .8rem 2.4rem rgba(0,0,0,.28);
  backdrop-filter: blur(18px) saturate(150%);
  transition: border-color .25s, background .25s, transform .25s;
}

.subpage-back:hover {
  border-color: #f56320;
  background: rgba(245,99,32,.18);
  transform: translateX(-3px);
}

.subpage-back span {
  color: #ff9b69;
  font-size: 1rem;
}

@media (max-width: 600px) {
  .subpage-back {
    top: 4.8rem;
    left: .65rem;
    min-height: 2.7rem;
    padding: .6rem .85rem;
  }

  .site-header { padding-right: .45rem !important; }
  .site-header .nav-cta { display: none !important; }
}