#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
  background: transparent;
  border-bottom: 1px solid transparent;
}
#site-header.scrolled {
  background: rgba(246,241,231,0.94);
  backdrop-filter: saturate(150%) blur(12px);
  -webkit-backdrop-filter: saturate(150%) blur(12px);
  box-shadow: 0 10px 34px -22px rgba(42,32,24,0.65);
  border-bottom: 1px solid #E4D9C4;
}

@media (min-width: 880px) { #hamburger { display: none !important; } #mobile-menu { display: none !important; } }
@media (max-width: 879px) { #desktop-nav { display: none !important; } }
#mobile-menu { display: none; }
#mobile-menu.open { display: block; }