/* Curated typography profiles. Fonts are self hosted and loaded only when used.
   Full glyph coverage and variable axes are retained from the licensed sources.
   Font metadata, provenance and character checks: font-catalog.json. */

@font-face {
  font-family: "Public Sans";
  src: url("../fonts/public-sans-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/ibm-plex-sans-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 700;
  font-stretch: 75% 100%;
  font-display: swap;
}
@font-face {
  font-family: "Lexend";
  src: url("../fonts/lexend-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("../fonts/source-serif-4-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
}
@font-face {
  font-family: "Barlow";
  src: url("../fonts/barlow-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Barlow";
  src: url("../fonts/barlow-500.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Barlow";
  src: url("../fonts/barlow-600.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Barlow";
  src: url("../fonts/barlow-700.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Barlow Semi Condensed";
  src: url("../fonts/barlowsemicondensed-600.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Barlow Semi Condensed";
  src: url("../fonts/barlowsemicondensed-700.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

/* Neutral: restrained public-service typography with familiar proportions. */
body.typo-neutral {
  --font-display: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --heading-weight: 650;
  --heading-tracking: -.015em;
}

/* Technical: precise details; regular width keeps instructional text open. */
body.typo-technical {
  --font-display: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --heading-weight: 600;
  --heading-tracking: -.01em;
}

/* Accessible: open letterforms and generous native spacing, without compression. */
body.typo-accessible {
  --font-display: "Lexend", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Lexend", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --heading-weight: 600;
  --heading-tracking: 0;
}

/* Literary: a complete serif reading option, with size-specific optical detail. */
body.typo-literary {
  --font-display: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --font-body: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --heading-weight: 650;
  --heading-tracking: -.01em;
  font-optical-sizing: auto;
}

/* Compact: economical headings paired with normal-width instructional text. */
body.typo-compact {
  --font-display: "Barlow Semi Condensed", "Arial Narrow", sans-serif;
  --font-body: "Barlow", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --heading-weight: 700;
  --heading-tracking: 0;
}