:root{
  --font-pixel:"Silkscreen","Courier New",monospace;      /* headings, buttons, labels */
  --font-micro:"Press Start 2P","Silkscreen",monospace;   /* HUD counters, 8-12px only */
  --font-body:"IBM Plex Sans",system-ui,sans-serif;       /* all running copy */
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;     /* refs, sha, CLI */

  /* pixel type sizes step in whole multiples so bitmap glyphs stay crisp */
  --text-pixel-xs:12px;--text-pixel-sm:16px;--text-pixel-md:20px;--text-pixel-lg:28px;--text-pixel-xl:40px;--text-pixel-2xl:56px;
  --text-micro:10px;
  --text-body-xs:12px;--text-body-sm:14px;--text-body-md:16px;--text-body-lg:19px;--text-body-xl:24px;

  --leading-pixel:1.25;   /* bitmap type: tight, never below 1.2 */
  --leading-body:1.6;
  --leading-tight:1.35;

  --tracking-pixel:0.04em;   /* Silkscreen needs air */
  --tracking-micro:0.08em;
  --tracking-body:0;
  --tracking-caps:0.12em;

  --weight-body:400;--weight-body-medium:500;--weight-body-strong:600;
}