html{scroll-behavior:smooth;scroll-padding-top:96px}
#bz-scroll-progress{position:fixed;top:0;left:0;width:100%;height:3px;z-index:1000;pointer-events:none;transform:scaleX(0);transform-origin:left center;background:linear-gradient(90deg,#a8ed59,#58d9c7,#e1f78a);box-shadow:0 0 14px #8fe7a988}
html.halloween #bz-scroll-progress{background:linear-gradient(90deg,#ff954b,#e273d2,#ffbd72);box-shadow:0 0 14px #ffa65c88}
body.bz-scrolled>header{box-shadow:0 12px 32px #0005}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}#bz-scroll-progress{box-shadow:none}}
html:has(body.motion-paused){scroll-behavior:auto}