:root{
  /* Orbitron and Montserrat carry the whole system. Avenir Next LT Pro is a
     last-resort Office fallback only — never specify it directly. */
  --font-display:"Orbitron",system-ui,sans-serif;        /* headlines, numbers, labels */
  --font-body:"Montserrat",system-ui,sans-serif;         /* body copy */
  --font-mail:"Montserrat","Barlow","Avenir Next LT Pro",system-ui,sans-serif; /* email clients without webfonts */

  /* Weights actually used in brand material */
  --weight-body:400;
  --weight-medium:500;
  --weight-semibold:600;   /* Orbitron SemiBold = the deck title weight */
  --weight-bold:700;

  /* Size scale. Names are prefixed --text-size-* so they never collide with
     the semantic text COLOUR tokens (--text-body, --text-muted) in colors.css.
     Deck titles are 35pt Orbitron SemiBold; cover 75pt; body 13pt.
     Web values below are the px equivalents rounded to the brand's own steps. */
  --text-size-display-xl:72px;  /* cover / hero */
  --text-size-display-l:48px;   /* section break */
  --text-size-display-m:34px;   /* slide title, page H1 */
  --text-size-display-s:24px;   /* card title, H2 */
  --text-size-title:19px;       /* H3 */
  --text-size-label:13px;       /* Orbitron small-caps eyebrow / SUBTITLE */
  --text-size-body-l:17px;
  --text-size-body:15px;
  --text-size-body-s:13px;      /* 13pt body = default print size */
  --text-size-caption:11px;

  --leading-tight:.9;      /* deck titles use 90% line spacing */
  --leading-snug:1.2;
  --leading-body:1.55;
  --leading-loose:1.7;

  --tracking-display:.02em;
  --tracking-label:.14em;  /* eyebrows / SUBTITLE are letterspaced small caps */
  --tracking-body:0;
}