/* ============================================================
   InsightLab — Typography Tokens
   Display = Inter · Body = Inter
   Serif (editorial) = Source Serif 4 · Mono = IBM Plex Mono
   ============================================================ */

:root {
  /* --- Families --------------------------------------------- */
  --font-display: 'Inter', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-serif:   'Source Serif 4', Georgia, serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  /* --- Weights ---------------------------------------------- */
  --fw-regular:  400; /* @kind font */
  --fw-medium:   500; /* @kind font */
  --fw-semibold: 600; /* @kind font */
  --fw-bold:     700; /* @kind font */
  --fw-extra:    800; /* @kind font */

  /* --- Type scale (1.250 major-third-ish, tuned) ------------ */
  --text-2xs:  11px;
  --text-xs:   12px;
  --text-sm:   14px;
  --text-base: 16px;
  --text-md:   18px;
  --text-lg:   20px;
  --text-xl:   24px;
  --text-2xl:  30px;
  --text-3xl:  38px;
  --text-4xl:  48px;
  --text-5xl:  60px;
  --text-6xl:  76px;

  /* --- Line heights ----------------------------------------- */
  --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-eyebrow: 0.12em;   /* mono eyebrows / labels */

  /* --- Semantic roles --------------------------------------- */
  --display-font:   var(--font-display);
  --display-weight: var(--fw-extra);
  --heading-font:   var(--font-display);
  --heading-weight: var(--fw-bold);
  --body-font:      var(--font-body);
  --eyebrow-font:   var(--font-mono);
}