:root {
  --font-sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;

  /* Deck point sizes (source PPTX, 1280×720 ref) mapped 1pt ≈ 1.333px */
  --text-slide-title: 24px;      /* 18pt content-slide title */
  --text-slide-hero: 32px;       /* 24pt title-slide heading */
  --text-slide-agenda: 19px;     /* 14pt agenda / emphasis */
  --text-slide-body: 16px;       /* 12pt body copy */
  --text-slide-small: 13px;      /* 10pt captions */
  --text-slide-footnote: 9.5px;  /* 7pt Fußnote/Quelle */
  --text-slide-pagenum: 11px;    /* 8pt page number */

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  --leading-tight: 1.15;
  --leading-body: 1.4;
}

body {
  font-family: var(--font-sans);
  color: var(--text-body);
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }