/* FSI Publication System — scoped tokens.
   Every colour, type step, and spacing value the paper system uses lives HERE and nowhere else.
   A rebrand is an edit to this file plus an asset swap. Deliberately scoped to the publication
   system: the rest of the site is not token-driven yet, and pretending otherwise would be a lie. */

:root{
  /* Brand */
  --p-navy:#1c1d5f;
  --p-cyan:#00adff;
  --p-ink:#171845;
  --p-ink-soft:#4a4c6b;
  --p-ink-faint:#7b7d99;
  --p-ink-cue:#6b6d8a;   /* ~5:1 on white — the smallest type that must stay legible */
  --p-paper:#ffffff;
  --p-paper-tint:#f6f7f9;
  --p-rule:rgba(28,29,95,.16);
  --p-rule-soft:rgba(28,29,95,.09);

  /* Program accents — one axis, three steps. Restraint is the point. */
  --p-defend:#1c1d5f;
  --p-adopt:#007fb8;
  --p-advance:#00adff;

  /* Type */
  --p-display:Seasonmix,Georgia,serif;
  --p-body:Seasonsans,"Helvetica Neue",Helvetica,Arial,sans-serif;
  --p-accent:Jjannon,Georgia,serif;
  --p-mono:ui-monospace,"SFMono-Regular",Menlo,monospace;

  --p-t-question:clamp(2.5rem,5.4vw,5.1rem);
  --p-t-lede:clamp(1.15rem,1.5vw,1.4rem);
  --p-t-body:1.15rem;
  --p-t-small:.86rem;
  --p-t-micro:.72rem;

  --p-lh-body:1.7;
  --p-measure:41rem;

  /* Space */
  --p-s1:.5rem;  --p-s2:1rem;   --p-s3:1.5rem;
  --p-s4:2.25rem; --p-s5:3.5rem; --p-s6:5.5rem;

  /* The apparatus column. Mainline + gap + gutter is the WHOLE page width —
     the container must not be wider, or the surplus reads as dead space. */
  --p-margin-w:19rem;
  --p-margin-gap:3rem;
  --p-body-w:63rem;   /* 41 + 3 + 19 — mainline plus apparatus gutter */

  /* Contents rail (left). Full document = rail + gap + body. */
  --p-rail-w:14rem;
  --p-rail-gap:3.5rem;
  --p-doc-w:84.5rem;  /* 14 + 3.5 + 63 columns, + 4rem of wrap padding */

  /* The site header is sticky and 82px tall. Everything that positions against
     the top of the viewport has to clear it — the rail and every anchor target. */
  --p-header-h:5.15rem;

  /* Figure palette — one hue, isolated on hover. */
  --p-fig-band:rgba(28,29,95,.22);
  --p-fig-med:#1c1d5f;
  --p-fig-hi-band:rgba(0,173,255,.34);
  --p-fig-hi-med:#007fb8;
  --p-fig-grid:rgba(28,29,95,.1);
}