// ---------- Fonts: Computer Modern (CMU) ----------
// CMU ships only two weights, so we map the design's intermediate
// weights onto real faces: <=550 → regular, >550 → bold extended.
$cmu-faces: (
  ('cmunrm', 100 550, normal),
  ('cmunti', 100 550, italic),
  ('cmunbx', 551 900, normal),
  ('cmunbi', 551 900, italic),
);

@each $file, $weight, $style in $cmu-faces {
  @font-face {
    font-family: 'Computer Modern';
    src: url('/fonts/#{$file}.ttf') format('truetype');
    font-weight: $weight;
    font-style: $style;
    font-display: swap;
  }
}