.project-nav{position:sticky;inset-block-start:0;max-inline-size:100vw;margin:0;padding:0 var(--mobile-margin);background-color:#fff;box-shadow:var(--box-shadow-soft);z-index:9}.project-nav-content{position:relative;max-inline-size:var(--max-inline-size);margin-inline:auto}