/*! NBC v7.033 · P0 Scroll Performance Hardening · compositor-first visual contract */
/* Global ambient: gradients already provide soft falloff. Avoid giant continuously filtered layers. */
body.page.design-system-executive[data-ambilight-visual="v6665"] .nbc-ambient-field{
  inset:-5vh -5vw!important;
  transform:translateZ(0);
  backface-visibility:hidden;
}
body.page.design-system-executive[data-ambilight-visual="v6665"] .nbc-ambient-field::before,
body.page.design-system-executive[data-ambilight-visual="v6665"] .nbc-ambient-field::after{
  animation:none!important;
  filter:none!important;
  will-change:transform,opacity!important;
  transition:transform .86s cubic-bezier(.22,.61,.36,1),opacity .72s cubic-bezier(.22,.61,.36,1)!important;
  backface-visibility:hidden;
}
body.page.design-system-executive[data-ambilight-visual="v6665"] .nbc-ambient-field::before{
  width:124vmax!important;
  height:102vmax!important;
}
body.page.design-system-executive[data-ambilight-visual="v6665"] .nbc-ambient-field::after{
  width:138vmax!important;
  height:112vmax!important;
}
/* Fixed navigation: near-identical dark glass impression without live backdrop sampling on every frame. */
body.page.design-system-executive .site-header{
  -webkit-backdrop-filter:none!important;
  backdrop-filter:none!important;
  background:rgba(7,13,10,.88)!important;
}
body.page.design-system-executive .site-header.compact,
body.page.design-system-executive .site-header[data-scrolled="true"],
body.page.design-system-executive.is-scrolled .site-header,
body.page.is-scrolled.design-system-executive .site-header{
  -webkit-backdrop-filter:none!important;
  backdrop-filter:none!important;
  background:rgba(7,13,10,.965)!important;
}
/* Scroll indicators: transform-only updates avoid layout on each scroll frame. */
body.page.design-system-executive #progress{
  transform-origin:0 50%;
  will-change:transform;
}
body.page.design-system-executive .spine-fill{
  height:100%!important;
  transform:scaleY(0);
  transform-origin:50% 0;
  transition:transform .08s linear!important;
  will-change:transform;
}
/* Mobile receives the biggest former blur surfaces; keep the same ambience with smaller compositor layers. */
@media (max-width:760px){
  body.page.design-system-executive[data-ambilight-visual="v6665"] .nbc-ambient-field{
    inset:-3vh -7vw!important;
  }
  body.page.design-system-executive[data-ambilight-visual="v6665"] .nbc-ambient-field::before{
    width:132vmax!important;
    height:116vmax!important;
  }
  body.page.design-system-executive[data-ambilight-visual="v6665"] .nbc-ambient-field::after{
    width:144vmax!important;
    height:126vmax!important;
  }
}
@media (prefers-reduced-motion:reduce){
  body.page.design-system-executive[data-ambilight-visual="v6665"] .nbc-ambient-field::before,
  body.page.design-system-executive[data-ambilight-visual="v6665"] .nbc-ambient-field::after,
  body.page.design-system-executive .spine-fill{transition:none!important;will-change:auto!important;}
}