Three-movement About page (People/Process/Product) built from Home's
section primitives; registered in nav. Image slots and Khabran's bio
degrade gracefully until assets/copy land.
Desktop flattens the ARCHIVE popover into inline appbar links above the medium
breakpoint; mobile keeps the indented sub-list under ARCHIVE. GENRES and /tracks
removed from nav only — routes (GenresView, TracksView) remain reachable by URL.
Retires the now-dead desktop hover-popover and its 8.J collapse-state machinery
(mobile drawer still dismisses on click).