/* Keep the bird legible where the sign enters the footer's soft top veil. */
@media (min-width: 1101px) {
  main + footer.csf::before {
    -webkit-mask-image: radial-gradient(
      ellipse clamp(60px, 5vw, 96px) clamp(46px, 3.8vw, 72px) at 84.1% 84%,
      rgba(0, 0, 0, .06) 0 44%,
      rgba(0, 0, 0, .3) 60%,
      rgba(0, 0, 0, .7) 78%,
      #000 100%
    );
    mask-image: radial-gradient(
      ellipse clamp(60px, 5vw, 96px) clamp(46px, 3.8vw, 72px) at 84.1% 84%,
      rgba(0, 0, 0, .06) 0 44%,
      rgba(0, 0, 0, .3) 60%,
      rgba(0, 0, 0, .7) 78%,
      #000 100%
    );
  }
}