/* Self-hosted fonts — eliminates the render-blocking Google Fonts external request chain.
 * Source: Google Fonts (DM Sans v17, Fraunces v38). License: SIL Open Font License 1.1.
 * Files live in app/assets/fonts/. Served by Rails/Thruster with long-cache headers.
 * To update: re-run the font download script in documentation/performance-optimization-web-network-2026Apr23.md
 */

/* ============================================================
   DM Sans — variable font, covers weights 300–700
   Two subsets: latin-ext (31 KB) and latin (61 KB)
   ============================================================ */

/* latin-ext */
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("/assets/dm-sans-latin-ext-bad22e9b.woff2") format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("/assets/dm-sans-latin-97b33bb4.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;
}

/* ============================================================
   Fraunces — variable font, covers weights 400–700
   Three subsets: vietnamese (19 KB), latin-ext (58 KB), latin (66 KB)
   ============================================================ */

/* vietnamese */
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/assets/fraunces-vietnamese-ff9facdc.woff2") format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

/* latin-ext */
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/assets/fraunces-latin-ext-cce59c20.woff2") format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/assets/fraunces-latin-2a0ad122.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;
}