html.progressive-scroll-active{scroll-behavior:auto!important}
.viewport-progressive-blur{position:fixed;inset:auto 0 0;height:clamp(130px,23vh,270px);z-index:40;pointer-events:none;user-select:none}
.viewport-progressive-blur[hidden]{display:none}
.viewport-progressive-blur>div{position:absolute;inset:0;pointer-events:none;backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur));mask-image:linear-gradient(to bottom,transparent var(--start),#000 var(--end));-webkit-mask-image:linear-gradient(to bottom,transparent var(--start),#000 var(--end))}