/* ============================================================
   Hoffer Flow Controls — Design System
   Global entry point. Consumers link THIS file only.
   Keep this file as @import lines exclusively.
   ============================================================ */

/* ============================================================
   Hoffer Flow Controls — Webfonts
   ------------------------------------------------------------
   Display / UI : Archivo (variable: width 62.5–125, weight 100–900)
                  Industrial grotesque. Wide+heavy for display,
                  regular width for body & UI.
   Spec / data  : JetBrains Mono — measurement readouts, part
                  numbers, flow specs, tabular data.

   NOTE: Loaded from the Google Fonts CDN. These are not
   self-hosted binaries. If you need the woff2 files bundled
   into the system, send them over and I'll swap to local
   @font-face rules. (Flagged to the user.)
   ============================================================ */

/* vietnamese */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 400;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-vietnamese.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: 'Archivo';
  font-style: normal;
  font-weight: 400;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 400;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-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;
}
/* vietnamese */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 500;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-vietnamese.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: 'Archivo';
  font-style: normal;
  font-weight: 500;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 500;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-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;
}
/* vietnamese */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 600;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-vietnamese.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: 'Archivo';
  font-style: normal;
  font-weight: 600;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 600;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-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;
}
/* vietnamese */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 700;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-vietnamese.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: 'Archivo';
  font-style: normal;
  font-weight: 700;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 700;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-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;
}
/* vietnamese */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 800;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-vietnamese.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: 'Archivo';
  font-style: normal;
  font-weight: 800;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 800;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-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;
}
/* vietnamese */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 900;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-vietnamese.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: 'Archivo';
  font-style: normal;
  font-weight: 900;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 900;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/archivo-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;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-cyrillic-ext.woff2") format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-cyrillic.woff2") format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-greek.woff2") format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
/* vietnamese */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-vietnamese.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: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-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;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-cyrillic-ext.woff2") format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-cyrillic.woff2") format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-greek.woff2") format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
/* vietnamese */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-vietnamese.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: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-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;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-cyrillic-ext.woff2") format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-cyrillic.woff2") format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-greek.woff2") format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
/* vietnamese */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-vietnamese.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: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-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;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-cyrillic-ext.woff2") format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-cyrillic.woff2") format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-greek.woff2") format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
/* vietnamese */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-vietnamese.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: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-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;
}


/* ============================================================
   Hoffer Flow Controls — Color Tokens
   ------------------------------------------------------------
   Royal-blue dominant (the Hoffer wordmark blue), deep navy for
   structural surfaces, a warm amber/brass accent for emphasis &
   CTAs, and cool steel-gray neutrals. Semantic colors read like
   instrument states: in-spec green, fault red, warning amber.
   ============================================================ */

:root {
  /* ---- Brand blue (primary) ---------------------------------- */
  --blue-50:  #eef4fc;
  --blue-100: #d8e6f8;
  --blue-200: #b0caee;
  --blue-300: #7ba6e0;
  --blue-400: #4a82d1;
  --blue-500: #2563bf;   /* primary action */
  --blue-600: #1b4f9c;   /* Hoffer nav blue */
  --blue-700: #163f7d;
  --blue-800: #132f5c;
  --blue-900: #0e2342;   /* deep navy surface */
  --blue-950: #081628;   /* ink navy */

  /* ---- Amber / brass (accent) -------------------------------- */
  --amber-50:  #fff7e6;
  --amber-100: #ffecc2;
  --amber-200: #ffd980;
  --amber-300: #ffc94d;
  --amber-400: #fbb521;
  --amber-500: #f59e0b;   /* accent */
  --amber-600: #d97f06;
  --amber-700: #a85e08;

  /* ---- Steel neutrals (cool gray) ---------------------------- */
  --steel-0:   #ffffff;
  --steel-50:  #f6f8fa;
  --steel-100: #eef1f4;
  --steel-200: #dfe4ea;
  --steel-300: #c6ced7;
  --steel-400: #9aa6b3;
  --steel-500: #6f7d8c;
  --steel-600: #515e6b;
  --steel-700: #3a444f;
  --steel-800: #28313a;
  --steel-900: #181e24;
  --steel-950: #0d1115;

  /* ---- Semantic (instrument states) -------------------------- */
  --green-50:  #e8f6ee;
  --green-500: #1f9d55;   /* in-spec / operational */
  --green-700: #136e3a;
  --red-50:    #fdecea;
  --red-500:   #d6453b;   /* fault / out-of-spec */
  --red-700:   #99281f;
  --cyan-500:  #1198c4;   /* flow / data highlight */

  /* ============================================================
     SEMANTIC ALIASES — reference these in components
     ============================================================ */

  /* Brand */
  --brand:            var(--blue-600);
  --brand-strong:     var(--blue-700);
  --brand-ink:        var(--blue-950);
  --accent:           var(--amber-500);
  --accent-strong:    var(--amber-600);

  /* Surfaces */
  --surface-page:     var(--steel-50);
  --surface-card:     var(--steel-0);
  --surface-sunken:   var(--steel-100);
  --surface-inverse:  var(--blue-950);
  --surface-brand:    var(--blue-600);
  --surface-brand-deep: var(--blue-900);

  /* Text */
  --text-strong:      var(--steel-900);
  --text-body:        var(--steel-700);
  --text-muted:       var(--steel-500);
  --text-faint:       var(--steel-400);
  --text-on-brand:    #ffffff;
  --text-on-inverse:  var(--steel-100);
  --text-accent:      var(--amber-700);
  --text-link:        var(--blue-600);

  /* Borders & lines */
  --border-subtle:    var(--steel-200);
  --border-default:   var(--steel-300);
  --border-strong:    var(--steel-400);
  --border-brand:     var(--blue-600);
  --hairline:         color-mix(in srgb, var(--steel-900) 8%, transparent);

  /* Focus */
  --focus-ring:       color-mix(in srgb, var(--blue-500) 55%, transparent);

  /* Feedback */
  --ok:               var(--green-500);
  --ok-surface:       var(--green-50);
  --fault:            var(--red-500);
  --fault-surface:    var(--red-50);
  --warn:             var(--amber-500);
  --warn-surface:     var(--amber-50);
}

/* ============================================================
   Hoffer Flow Controls — Typography Tokens
   ------------------------------------------------------------
   Display : Archivo Expanded (wide, heavy industrial grotesque)
   UI/Body : Archivo (neutral, engineered sans)
   Spec    : JetBrains Mono (measurements, part #s, data)

   Display & eyebrow labels are set UPPERCASE with positive
   tracking — the engineered, stamped-metal voice of the brand.
   ============================================================ */

:root {
  /* ---- Families ---------------------------------------------- */
  --font-display: 'Archivo Expanded', 'Archivo', system-ui, sans-serif;
  --font-sans:    'Archivo', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SFMono-Regular', monospace;

  /* ---- Weights ----------------------------------------------- */
  --fw-regular:   400;  /* @kind font */
  --fw-medium:    500;  /* @kind font */
  --fw-semibold:  600;  /* @kind font */
  --fw-bold:      700;  /* @kind font */
  --fw-extrabold: 800;  /* @kind font */
  --fw-black:     900;  /* @kind font */

  /* ---- Type scale (1.250 major-third-ish, tuned) ------------- */
  --text-2xs:  0.6875rem;  /* 11px — micro labels, mono captions */
  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px — body */
  --text-md:   1.125rem;   /* 18px — lead body */
  --text-lg:   1.375rem;   /* 22px */
  --text-xl:   1.75rem;    /* 28px */
  --text-2xl:  2.25rem;    /* 36px */
  --text-3xl:  3rem;       /* 48px */
  --text-4xl:  3.75rem;    /* 60px */
  --text-5xl:  4.75rem;    /* 76px — hero display */
  --text-6xl:  6rem;       /* 96px */

  /* ---- Line heights ------------------------------------------ */
  --leading-tight:   1.04;
  --leading-snug:    1.18;
  --leading-normal:  1.5;
  --leading-relaxed: 1.65;

  /* ---- Tracking ---------------------------------------------- */
  --tracking-display: -0.02em;  /* tighten big display */
  --tracking-tight:   -0.01em;
  --tracking-normal:  0em;
  --tracking-wide:    0.04em;
  --tracking-label:   0.14em;   /* uppercase eyebrows */
  --tracking-mono:    0.01em;

  /* ---- Semantic roles ---------------------------------------- */
  --role-eyebrow-size:    var(--text-xs);
  --role-eyebrow-weight:  var(--fw-bold);
  --role-eyebrow-spacing: var(--tracking-label);

  --role-display-family:  var(--font-display);
  --role-display-weight:  var(--fw-extrabold);
  --role-display-spacing: var(--tracking-display);

  --role-body-family:     var(--font-sans);
  --role-body-size:       var(--text-base);
  --role-body-leading:    var(--leading-relaxed);

  --role-spec-family:     var(--font-mono);
  --role-spec-size:       var(--text-sm);
  --role-spec-spacing:    var(--tracking-mono);
}

/* ============================================================
   Hoffer Flow Controls — Spacing & Sizing Tokens
   ------------------------------------------------------------
   8px base grid. Industrial layouts breathe — generous section
   rhythm, tight component padding. Container widths sized for
   spec-dense marketing pages.
   ============================================================ */

:root {
  /* ---- Space scale (8px grid) -------------------------------- */
  --space-0:   0;
  --space-1:   0.25rem;   /* 4 */
  --space-2:   0.5rem;    /* 8 */
  --space-3:   0.75rem;   /* 12 */
  --space-4:   1rem;      /* 16 */
  --space-5:   1.5rem;    /* 24 */
  --space-6:   2rem;      /* 32 */
  --space-7:   2.5rem;    /* 40 */
  --space-8:   3rem;      /* 48 */
  --space-9:   4rem;      /* 64 */
  --space-10:  5rem;      /* 80 */
  --space-11:  6rem;      /* 96 */
  --space-12:  8rem;      /* 128 */

  /* ---- Section rhythm ---------------------------------------- */
  --section-pad-y:   var(--space-11);
  --section-pad-y-sm: var(--space-9);

  /* ---- Containers -------------------------------------------- */
  --container-sm:  720px;
  --container-md:  960px;
  --container-lg:  1200px;
  --container-xl:  1320px;
  --gutter:        var(--space-5);

  /* ---- Radii (engineered, restrained) ------------------------ */
  --radius-none: 0;
  --radius-xs:   2px;
  --radius-sm:   4px;
  --radius-md:   6px;
  --radius-lg:   10px;
  --radius-pill: 999px;

  /* ---- Control sizing ---------------------------------------- */
  --control-h-sm: 34px;
  --control-h-md: 42px;
  --control-h-lg: 52px;
  --tap-min:      44px;

  /* ---- Borders ----------------------------------------------- */
  --border-w:      1px;
  --border-w-thick: 2px;
  --rule-accent-w: 3px;   /* the amber underline accent */
}

/* ============================================================
   Hoffer Flow Controls — Effects: shadows, elevation, motion
   ------------------------------------------------------------
   Shadows are cool-tinted (navy-based), never pure black —
   industrial, crisp, never soft/fluffy. Elevation is restrained;
   most surfaces sit on borders, not drop shadows. Motion is
   quick and mechanical: short durations, firm easing, no bounce.
   ============================================================ */

:root {
  /* ---- Shadows (navy-tinted) --------------------------------- */
  --shadow-xs:  0 1px 2px rgba(13, 32, 64, 0.08);
  --shadow-sm:  0 1px 2px rgba(13, 32, 64, 0.10),
                0 2px 6px rgba(13, 32, 64, 0.06);
  --shadow-md:  0 2px 4px rgba(13, 32, 64, 0.10),
                0 8px 20px rgba(13, 32, 64, 0.10);
  --shadow-lg:  0 6px 14px rgba(13, 32, 64, 0.12),
                0 18px 40px rgba(13, 32, 64, 0.14);
  --shadow-xl:  0 20px 60px rgba(8, 22, 40, 0.28);

  /* Inset for sunken/pressed wells */
  --shadow-inset: inset 0 1px 2px rgba(13, 32, 64, 0.12);

  /* Focus ring as a layered shadow */
  --ring-focus: 0 0 0 3px var(--focus-ring);

  /* The signature amber accent underline (used under eyebrows,
     active tabs, CTA hover) */
  --accent-underline: var(--rule-accent-w) solid var(--accent);

  /* ---- Motion ------------------------------------------------ */
  --dur-fast:   120ms;  /* @kind other */
  --dur-base:   180ms;  /* @kind other */
  --dur-slow:   280ms;  /* @kind other */
  --ease-out:   cubic-bezier(0.2, 0.7, 0.3, 1);  /* @kind other */
  --ease-in-out: cubic-bezier(0.6, 0, 0.2, 1);  /* @kind other */
  --ease-mech:  cubic-bezier(0.4, 0, 0, 1);  /* @kind other */

  /* ---- Overlays & scrims ------------------------------------- */
  --scrim-image: linear-gradient(
      180deg,
      rgba(8, 22, 40, 0.20) 0%,
      rgba(8, 22, 40, 0.55) 60%,
      rgba(8, 22, 40, 0.82) 100%);  /* @kind other */
  --scrim-flat:  rgba(8, 22, 40, 0.62);  /* @kind color */

  /* Hairline grid texture for industrial backgrounds */
  --grid-line: rgba(27, 79, 156, 0.06);
}

/* ============================================================
   Hoffer Flow Controls — Base element defaults
   Minimal, opt-in. Applies the brand voice to bare HTML so
   specimen cards and quick mocks look on-brand with no classes.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-body);
  background: var(--surface-page);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  color: var(--text-strong);
  font-weight: var(--fw-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }

a { color: var(--text-link); text-decoration: none; }
a:hover { text-decoration: underline; }

code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* Brand utility: uppercase eyebrow label with amber tick */
.hfc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--role-eyebrow-size);
  font-weight: var(--role-eyebrow-weight);
  letter-spacing: var(--role-eyebrow-spacing);
  text-transform: uppercase;
  color: var(--text-link);
}
.hfc-eyebrow::before {
  content: "";
  width: 18px;
  height: var(--rule-accent-w);
  background: var(--accent);
}

/* Display heading helper (wide industrial grotesque) */
.hfc-display {
  font-family: var(--font-display);
  font-weight: var(--fw-extrabold);
  letter-spacing: var(--tracking-display);
  line-height: var(--leading-tight);
  color: var(--text-strong);
}

/* Mono spec text helper */
.hfc-spec {
  font-family: var(--font-mono);
  font-size: var(--role-spec-size);
  letter-spacing: var(--tracking-mono);
  font-variant-numeric: tabular-nums;
}

::selection { background: var(--blue-200); color: var(--blue-950); }