/* The pinned title casts a soft shadow onto the moving sheet below it. */
#form.form-focus > fieldset.is-active > legend::after {
 content: "";
 position: absolute;
 top: calc(100% + 12px);
 left: -22px;
 right: -22px;
 height: 20px;
 background: linear-gradient(to bottom, rgba(21, 28, 25, .12), rgba(21, 28, 25, .035) 45%, transparent);
 opacity: var(--header-shadow, 0);
 pointer-events: none;
 transition: opacity 160ms ease;
}
@media (max-width: 760px) {
 #form.form-focus > fieldset.is-active > legend::after {
  top: calc(100% + 10px);
  left: -18px;
  right: -18px;
  height: 16px;
 }
}
@media (prefers-reduced-motion: reduce) {
 #form.form-focus > fieldset.is-active > legend::after { transition: none; }
}