/* ============================================================ theme.css — The Making Of · shared stylesheet ------------------------------------------------------------ Canonical source: the copper page (themakingof.net/copper/), blessed as the reference implementation on 2026-07-25. WHAT LIVES HERE Shared chrome and universal components every material page uses: palette tokens, palette strip, sticky header + scroll nav, hero, section scaffolding, the "where you'll meet it" band, idea blocks, stat bands, scenario bars, stage/route infographic system, cross-link (.xref) cards, sources footer, and the full accessibility block (25 July form — SVG focus separated from HTML focus). WHAT DOES NOT LIVE HERE Page-specific diagrams (a material's own supply network, bespoke charts, one-off explainer cards) stay in each page's inline