:root {
  --font-heading: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-body: "Inter Tight", Calibri, "Segoe UI", system-ui, sans-serif;
  /* Handoff chain for files that leave as .pptx / .docx and must render on any machine */
  --font-heading-office: Georgia, "Times New Roman", serif;
  --font-body-office: Calibri, "Segoe UI", sans-serif;

  --weight-heading: 400;
  --weight-heading-strong: 600;
  --weight-body: 400;
  --weight-body-strong: 600;

  /* Document scale (Letter page, 12.5px body) */
  --type-doc-title: 25px;
  --type-doc-lead: 12.5px;
  --type-doc-body: 11.5px;
  --type-doc-small: 11px;
  --type-doc-label: 10.5px;
  --type-doc-meta: 10px;

  /* Slide scale (1920x1080) */
  --type-slide-hero: 76px;
  --type-slide-title: 46px;
  --type-slide-sub: 26px;
  --type-slide-stat: 54px;
  --type-slide-body: 22px;
  --type-slide-label: 16px;
  --type-slide-footer: 14px;

  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-body: 1.5;

  /* Small-caps labels are the system's signature. Always uppercase + tracked. */
  --tracking-label: 0.16em;
  --tracking-mark: 0.15em;
  --tracking-tight: -0.012em;
}