/* Self-hosted fonts for nthlayer.io. Latin subsets from Google Fonts; all three families are SIL OFL 1.1 (see LICENSE-OFL.txt).
   Fallback faces are metric-matched to the web fonts (size-adjust from average advance width, ascent/descent from the
   font tables) so text doesn't reflow when the web font swaps in. */

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400 600;
  font-stretch: 100%;
  font-display: swap;
  src: url('/fonts/ibm-plex-sans-latin-var.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Instrument Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/instrument-serif-latin-400.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('/fonts/jetbrains-mono-latin-var.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Metric-matched fallbacks */
@font-face {
  font-family: 'Instrument Serif Fallback';
  src: local('Georgia');
  size-adjust: 76.05%;
  ascent-override: 130.18%;
  descent-override: 40.76%;
  line-gap-override: 0%;
}
@font-face {
  font-family: 'IBM Plex Sans Fallback';
  src: local('Arial'), local('Helvetica Neue'), local('Helvetica');
  size-adjust: 100.17%;
  ascent-override: 102.33%;
  descent-override: 27.45%;
  line-gap-override: 0%;
}
@font-face {
  font-family: 'JetBrains Mono Fallback';
  src: local('Courier New'), local('Courier');
  size-adjust: 100%;
  ascent-override: 102%;
  descent-override: 30%;
  line-gap-override: 0%;
}

/* Font stacks, for pages that want them as tokens. */
:root {
  --serif: 'Instrument Serif', 'Instrument Serif Fallback', Georgia, serif;
  --sans: 'IBM Plex Sans', 'IBM Plex Sans Fallback', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'JetBrains Mono Fallback', ui-monospace, monospace;
}