/* ===========================================================================
   TYPOGRAPHY — IBM Plex superfamily.
   =========================================================================== */

:root {
  /* --- Families --------------------------------------------------------- */
  --font-sans:  'IBM Plex Sans', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-serif: 'IBM Plex Serif', Georgia, 'Times New Roman', serif;
  --font-mono:  'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  /* Semantic roles */
  --font-display:   var(--font-sans);
  --font-body:      var(--font-sans);
  --font-editorial: var(--font-serif);
  --font-code:      var(--font-mono);
  --font-label:     var(--font-mono);

  /* --- Type scale (px) -------------------------------------------------- */
  --text-xs:   12px;
  --text-sm:   13px;
  --text-base: 15px;
  --text-md:   16px;
  --text-lg:   18px;
  --text-xl:   22px;
  --text-2xl:  28px;
  --text-3xl:  36px;
  --text-4xl:  48px;
  --text-5xl:  64px;
  --text-6xl:  84px;

  /* --- Weights ---------------------------------------------------------- */
  --weight-regular:  400;
  --weight-medium:   500;
  --weight-semibold: 600;
  --weight-bold:     700;

  /* --- Line heights ----------------------------------------------------- */
  --leading-none:    1;
  --leading-tight:   1.1;
  --leading-snug:    1.25;
  --leading-normal:  1.5;
  --leading-relaxed: 1.65;

  /* --- Letter spacing --------------------------------------------------- */
  --tracking-tight:  -0.02em;
  --tracking-snug:   -0.01em;
  --tracking-normal: 0;
  --tracking-wide:   0.04em;
  --tracking-caps:   0.14em;
}