.docs-header{position:sticky;top:0;z-index:30;grid-area:header;height:var(--fd-header-height,3.5rem);justify-content:space-between;padding:0 var(--space-100);border-bottom:var(--border-divider);background:color-mix(in srgb,var(--surface-background) 80%,transparent);backdrop-filter:blur(4px)}.docs-header,.nav-title{display:flex;align-items:center}.nav-title{flex-shrink:0;gap:var(--space-50);white-space:nowrap;text-decoration:none;transition:opacity var(--system-transition)}.nav-title:hover{opacity:.8}.nav-title-label{font-family:var(--system-mono-font);font-size:var(--type-subtitle);font-weight:var(--font-weight-bold);line-height:var(--line-height-snug);letter-spacing:var(--tracking-heading);color:var(--text-primary)}.nav-title-slash{color:var(--text-neutral)}