html{overflow-x:clip}.site-header::before{content:"";position:absolute;inset-block:0;left:50%;width:100vw;transform:translateX(-50%);z-index:-1;pointer-events:none;background:rgb(255 255 255/.7);border-bottom:1px solid rgb(0 0 0/8%);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);opacity:0;transition:opacity .2s ease}.dark .site-header::before{background:rgb(0 0 0/.55);border-bottom-color:rgb(255 255 255/8%)}.site-header.scrolled::before{opacity:1}.heading-icon{display:inline-block;vertical-align:-.125em;margin-right:.5em;opacity:.6}article section>h3:not(:first-child),article section>h4{padding-top:4.75rem}