/* ==========================================================================
   CÁLIGO · Fuentes autoalojadas (woff2, subsets latin + latin-ext)
   Changa One 400  → solo textos del hero (overline, titular, bajada)
   Ubuntu 500      → texto de los botones del hero
   Saira 100–900   → todo lo demás (H2–H6, cuerpo, UI, botones, formularios)
   Google Fonts · OFL, salvo Ubuntu (Ubuntu Font Licence). Ver Brand Guidelines §07 y Brief §3.3 / §11.
   ========================================================================== */

/* Changa One · latin */
@font-face {
  font-family: 'Changa One';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/changa-one-latin.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;
}

/* Saira variable · latin-ext (incluye Ā del wordmark) */
@font-face {
  font-family: 'Saira';
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 100%;
  font-display: swap;
  src: url(../fonts/saira-latin-ext.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;
}

/* Saira variable · latin */
@font-face {
  font-family: 'Saira';
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 100%;
  font-display: swap;
  src: url(../fonts/saira-latin.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;
}

/* Ubuntu Medium · latin. Los botones del hero piden 500: Ubuntu no tiene 600. */
@font-face {
  font-family: 'Ubuntu';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(../fonts/ubuntu-latin-500.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;
}

/* Fallback métricamente ajustado: evita CLS mientras carga Saira (Brief §3.3) */
@font-face {
  font-family: 'Saira Fallback';
  src: local('Helvetica Neue'), local('Arial'), local('Segoe UI');
  size-adjust: 97%;
  ascent-override: 92%;
  descent-override: 24%;
  line-gap-override: 0%;
}