/* Elevation — there is none.
   Instrument mode expresses depth with three panel tones (--panel, --raised, --ground)
   and 1px lines. No drop shadows, no glows, no glassmorphism, no blur-behind.
   The two exceptions below are the only legal shadow-adjacent treatments. */
:root{
  --elevation-none:none;

  /* Evidence diffusion — a cream bloom behind a single quoted piece of evidence.
     The one sanctioned glow. Never on a card, a button, or a nav item. */
  --evidence-diffusion:radial-gradient(closest-side,rgba(242,239,234,0.10),transparent 70%); /* @kind other */

  /* Protection scrim — a flat-to-transparent wash so mono labels stay legible over
     imagery or a video still. Vertical only, page-ground coloured, never decorative. */
  --scrim-bottom:linear-gradient(to top,var(--ground) 0%,rgba(8,19,31,0.72) 42%,transparent 100%);
  --scrim-top:linear-gradient(to bottom,var(--ground) 0%,rgba(8,19,31,0.60) 48%,transparent 100%);

  /* Product bridge only — endorsed products keep their soft card shadows */
  --pr-shadow-card:0 8px 24px rgba(0,0,0,0.06);
  --pr-shadow-card-hover:0 8px 20px rgba(0,0,0,0.06),0 2px 6px rgba(0,0,0,0.10);
  --pr-shadow-soft:0 2px 8px rgba(0,0,0,0.04),0 4px 16px rgba(0,0,0,0.06);
}
