/* ============================================================
   BlueNorth — Typography tokens
   ============================================================ */

:root {
  /* Families */
  --font-brand: 'Poppins', 'Segoe UI', system-ui, sans-serif;   /* wordmark, display headings */
  --font-sans:  'Public Sans', system-ui, -apple-system, 'Segoe UI', sans-serif; /* UI + body */
  --font-mono:  'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;      /* data, codes, labels */

  /* Weights */
  --weight-regular:  400;
  --weight-medium:   500;
  --weight-semibold: 600;
  --weight-bold:     700;
  --weight-extrabold:800;

  /* Type scale (1.250 major-third-ish, tuned) */
  --text-2xs:  11px;
  --text-xs:   12px;
  --text-sm:   13px;
  --text-base: 15px;   /* default UI body */
  --text-md:   17px;
  --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:   1.12;
  --leading-snug:    1.28;
  --leading-normal:  1.5;
  --leading-relaxed: 1.65;

  /* Letter spacing */
  --tracking-tighter: -0.03em;
  --tracking-tight:   -0.015em;
  --tracking-normal:  0;
  --tracking-wide:    0.04em;
  --tracking-wider:   0.12em;   /* mono eyebrow labels */

  /* Semantic roles */
  --font-display:  var(--font-brand);
  --font-heading:  var(--font-brand);
  --font-body:     var(--font-sans);
  --font-label:    var(--font-mono);
}