/* Match the homepage line without adding height to either Features header. */
:is(.site-header,.marketing-header)[data-reading-progress]::after{
 content:"";position:absolute;left:0;bottom:-1px;width:100%;height:2px;
 background:linear-gradient(90deg,#74e4f9,#c6f7ff);
 transform:scaleX(var(--reading-progress,0));transform-origin:left;pointer-events:none;
}