/* --- Sans & Math: Fira Sans & Fira Math --------------------------------- */
/* Fira Sans is vendored locally; index.html links vendor/fira/fira-sans.css
   so the deck presents with no network connection. */

@font-face {
  font-family: "Fira Math";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local("Fira Math Regular"), local("Fira Math"), url("../assets/fonts/FiraMath-Regular.otf") format("opentype");
}

/* --- Core serif: XITS, self-hosted -----------------------------------------
   The genuine typeface from the source deck. The .pptx embeds it as
   MicroType-Express-compressed .fntdata (unusable in a browser); these are the
   upstream OpenType files, supplied by the author. SIL Open Font License 1.1 —
   see assets/fonts/OFL.txt and assets/fonts/FONTLOG.txt. */
@font-face{font-family:"XITS";font-style:normal;font-weight:400;font-display:swap;
  src:local("XITS"),url("../assets/fonts/XITS-Regular.otf") format("opentype")}
@font-face{font-family:"XITS";font-style:normal;font-weight:700;font-display:swap;
  src:local("XITS Bold"),url("../assets/fonts/XITS-Bold.otf") format("opentype")}
@font-face{font-family:"XITS";font-style:italic;font-weight:400;font-display:swap;
  src:local("XITS Italic"),url("../assets/fonts/XITS-Italic.otf") format("opentype")}
@font-face{font-family:"XITS";font-style:italic;font-weight:700;font-display:swap;
  src:local("XITS Bold Italic"),url("../assets/fonts/XITS-BoldItalic.otf") format("opentype")}

/* --- Math glyphs: XITS Math, self-hosted -----------------------------------
   For notation set as live text — ∂ ∇ Ω ∑ ∫ τ ⇒ ⊗ ∀. Same design as the text face,
   with the OpenType MATH table and the full symbol range. */
@font-face{font-family:"XITS Math";font-style:normal;font-weight:400;font-display:swap;
  src:local("XITS Math"),url("../assets/fonts/XITSMath-Regular.otf") format("opentype")}
@font-face{font-family:"XITS Math";font-style:normal;font-weight:700;font-display:swap;
  src:local("XITS Math Bold"),url("../assets/fonts/XITSMath-Bold.otf") format("opentype")}

/* --- Mono: JuliaMono, self-hosted ------------------------------------------
   Also embedded as compressed EOT in the source; these are the upstream WOFF2
   webfonts, supplied by the author. SIL Open Font License 1.1 — see
   assets/fonts/JuliaMono-LICENSE.txt. Regular/Medium/Bold plus italics; the
   remaining upstream weights (Light, SemiBold, ExtraBold, Black, and the Latin
   subsets) are not used by this system. */
@font-face{font-family:"JuliaMono";font-style:normal;font-weight:400;font-display:swap;
  src:local("JuliaMono-Regular"),url("../assets/fonts/JuliaMono-Regular.woff2") format("woff2")}
@font-face{font-family:"JuliaMono";font-style:normal;font-weight:500;font-display:swap;
  src:local("JuliaMono-Medium"),url("../assets/fonts/JuliaMono-Medium.woff2") format("woff2")}
@font-face{font-family:"JuliaMono";font-style:normal;font-weight:700;font-display:swap;
  src:local("JuliaMono-Bold"),url("../assets/fonts/JuliaMono-Bold.woff2") format("woff2")}
@font-face{font-family:"JuliaMono";font-style:italic;font-weight:400;font-display:swap;
  src:local("JuliaMono-RegularItalic"),url("../assets/fonts/JuliaMono-RegularItalic.woff2") format("woff2")}
@font-face{font-family:"JuliaMono";font-style:italic;font-weight:700;font-display:swap;
  src:local("JuliaMono-BoldItalic"),url("../assets/fonts/JuliaMono-BoldItalic.woff2") format("woff2")}