/* ==========================================================================
   fonts.css — self-hosted web fonts (CLAUDE.md rule #7).
   Three roles: DISPLAY (Space Grotesk) · BODY (Newsreader) · DATA (IBM Plex Mono).
   All faces use font-display: swap and a latin subset to keep LCP fast.
   ========================================================================== */

/* ---- DISPLAY: Space Grotesk (headlines, eyebrows-as-labels) ---- */
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/space-grotesk-500.woff2") format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/space-grotesk-700.woff2") format("woff2");
}

/* ---- BODY: Newsreader (long-form science + blog reading) ---- */
@font-face {
  font-family: "Newsreader";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/newsreader-400.woff2") format("woff2");
}
@font-face {
  font-family: "Newsreader";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/newsreader-400-italic.woff2") format("woff2");
}
@font-face {
  font-family: "Newsreader";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/newsreader-600.woff2") format("woff2");
}

/* ---- DATA / MONO: IBM Plex Mono (spec strips, doses, COA refs, captions) ---- */
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-mono-400.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-mono-500.woff2") format("woff2");
}