/* ============================================================
   ZeltenLabs — Typography tokens
   Space Grotesk across the board. A geometric grotesque with a
   technical edge — used display-tight for headlines, with a
   monospaced-feeling tracking for labels/eyebrows.
   ============================================================ */

:root {
  /* Families */
  --font-sans: "Space Grotesk", "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "Space Grotesk", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Weights */
  --weight-light:    300;
  --weight-regular:  400;
  --weight-medium:   500;
  --weight-semibold: 600;
  --weight-bold:     700;

  /* Type scale (1.250 major-third-ish, tuned) */
  --text-2xs:  11px;
  --text-xs:   12px;
  --text-sm:   13px;
  --text-base: 15px;
  --text-md:   17px;
  --text-lg:   20px;
  --text-xl:   24px;
  --text-2xl:  30px;
  --text-3xl:  38px;
  --text-4xl:  48px;
  --text-5xl:  62px;
  --text-6xl:  80px;

  /* Line heights */
  --leading-none:   1;
  --leading-tight:  1.1;
  --leading-snug:   1.25;
  --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;  /* eyebrows / labels — UPPERCASE */
  --tracking-widest:  0.2em;

  /* ---- Semantic roles ---- */
  --display-family: var(--font-display);
  --display-weight: var(--weight-bold);
  --display-tracking: var(--tracking-tighter);
  --display-leading: var(--leading-tight);

  --heading-weight: var(--weight-semibold);
  --heading-tracking: var(--tracking-tight);

  --eyebrow-weight: var(--weight-semibold);
  --eyebrow-tracking: var(--tracking-wider);
  --eyebrow-size: var(--text-xs);

  --body-weight: var(--weight-regular);
  --body-leading: var(--leading-normal);

  --label-weight: var(--weight-medium);
}