/* V37: calm sticky glass header — remove animated sheen, keep premium glass */
.site-header,
.site-header.scrolled{
  backdrop-filter: blur(18px) saturate(1.18) !important;
  -webkit-backdrop-filter: blur(18px) saturate(1.18) !important;
  background: linear-gradient(180deg, rgba(5,12,26,.72), rgba(5,12,26,.56)) !important;
  box-shadow: 0 14px 40px rgba(0,0,0,.24), inset 0 0 0 1px rgba(143,238,255,.06) !important;
  transition: background .28s ease, box-shadow .28s ease, border-color .28s ease !important;
}

.site-header::before,
.site-header.scrolled::before{
  content: none !important;
  display: none !important;
  animation: none !important;
  background: none !important;
  opacity: 0 !important;
}

.site-header::after,
.site-header.scrolled::after{
  opacity: .55 !important;
}

.site-header.scrolled{
  background: linear-gradient(180deg, rgba(5,12,26,.82), rgba(5,12,26,.68)) !important;
  box-shadow: 0 18px 46px rgba(0,0,0,.3), inset 0 0 0 1px rgba(143,238,255,.08) !important;
}

.site-header .brand,
.site-header .desktop-nav,
.site-header .header-actions,
.site-header .mobile-toggle{
  position: relative;
  z-index: 2;
}

@media (max-width: 900px){
  .site-header::before,
  .site-header.scrolled::before{
    content: none !important;
    display: none !important;
  }
}