:root{
  --ink:#101a1e; --paper:#ffffff; --grey:#e6ecee; --cyan:#0a7a86; --green:#1f8a5b;
  --lume:#3dd6c4;                 /* accent des surfaces sombres (cf. publications.php, footer) */
  --mut:#5d676b; --rule:rgba(16,26,30,0.12);
  --serif:'Newsreader',Georgia,serif; --body:'Public Sans',system-ui,sans-serif;
  --mono:'IBM Plex Mono',monospace;
}