/* TA-Solutions — Colors & Type
 * Foundations for "Technische Automatisering" — automation, controls and
 * engineering for bridges, locks and natte infra (wet infrastructure).
 * Confident, sober, government-friendly. Indigo + warm grey on white.
 *
 * Colors sampled from the official wordmark:
 *   #202060 — deep indigo (primary)
 *   #808080 — warm grey (secondary, the stylised "A")
 *   #505050 — tagline grey
 */

/* ---------- Fonts ---------- */
/* PLACEHOLDER — Inter is a stand-in for the brand wordmark face (a serif-y
 * grotesque, possibly Linotype Univers / Optima-flavoured custom). The
 * tagline "TECHNISCHE AUTOMATISERING" is widely tracked all-caps grotesque.
 * Replace with the real face when supplied. */
/* cyrillic-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/inter-cyrillic.woff2") format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/inter-greek-ext.woff2") format('woff2');
  unicode-range: U+1F00-1FFF;
}
/* greek */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/inter-cyrillic.woff2") format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/inter-greek-ext.woff2") format('woff2');
  unicode-range: U+1F00-1FFF;
}
/* greek */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/inter-cyrillic.woff2") format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/inter-greek-ext.woff2") format('woff2');
  unicode-range: U+1F00-1FFF;
}
/* greek */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/inter-cyrillic.woff2") format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/inter-greek-ext.woff2") format('woff2');
  unicode-range: U+1F00-1FFF;
}
/* greek */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("fonts/inter-cyrillic.woff2") format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("fonts/inter-greek-ext.woff2") format('woff2');
  unicode-range: U+1F00-1FFF;
}
/* greek */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("fonts/inter-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: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("fonts/inter-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: 'Source Serif 4';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/sourceserif4/v15/vEFF2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6kAHr4Y3qwzSEi.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: 'Source Serif 4';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/sourceserif4/v15/vEFF2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6kCXr4Y3qwzSEi.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/sourceserif4/v15/vEFF2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6kDnr4Y3qwzSEi.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: 'Source Serif 4';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/sourceserif4/v15/vEFF2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6kAnr4Y3qwzSEi.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: 'Source Serif 4';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/sourceserif4/v15/vEFF2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6kA3r4Y3qwzSEi.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: 'Source Serif 4';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/sourceserif4/v15/vEFF2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6kDXr4Y3qwzQ.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: 'Source Serif 4';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/sourceserif4/v15/vEFF2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6kAHr4Y3qwzSEi.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: 'Source Serif 4';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/sourceserif4/v15/vEFF2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6kCXr4Y3qwzSEi.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/sourceserif4/v15/vEFF2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6kDnr4Y3qwzSEi.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: 'Source Serif 4';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/sourceserif4/v15/vEFF2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6kAnr4Y3qwzSEi.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: 'Source Serif 4';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/sourceserif4/v15/vEFF2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6kA3r4Y3qwzSEi.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: 'Source Serif 4';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/sourceserif4/v15/vEFF2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6kDXr4Y3qwzQ.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;
}


:root {
  /* ---------- Brand color (sampled from logo) ---------- */
  --ta-indigo-900: #14143F;   /* shade for hover-on-dark */
  --ta-indigo-800: #1A1A50;   /* deepened */
  --ta-indigo-700: #24265D;   /* PRIMARY — wordmark "TA-Solutions" */
  --ta-indigo-600: #2E2E78;   /* hover for primary CTAs */
  --ta-indigo-500: #4A4A95;   /* lifted, subdued accents */
  --ta-indigo-200: #C8C8E0;   /* tint for cards / surfaces */
  --ta-indigo-100: #ECECF5;   /* surface tint, info backgrounds */

  /* ---------- Warm greys (from logo "A" mark) ---------- */
  --warm-grey-700: #505050;   /* tagline / secondary text on light */
  --warm-grey-500: #808080;   /* SECONDARY — stylised "A", supporting marks */
  --warm-grey-300: #B5B5B0;   /* subdued */
  --warm-grey-200: #D4D4CF;
  --warm-grey-100: #ECECE8;

  /* ---------- Steel neutrals (UI) ---------- */
  --steel-950: #0E0E1A;
  --steel-900: #1A1A28;
  --steel-700: #3D3D4A;
  --steel-500: #6B6B78;
  --steel-300: #B7B7BF;
  --steel-200: #D7D7DC;
  --steel-100: #ECECEF;
  --steel-50:  #F6F6F8;
  --white:     #FFFFFF;

  /* ---------- Semantic ---------- */
  --color-success: #2E7D5B;
  --color-warning: #C57A14;
  --color-danger:  #B23A3A;
  --color-info:    var(--ta-indigo-700);

  /* ---------- Surfaces & text ---------- */
  --bg:           var(--white);
  --bg-alt:       var(--steel-50);
  --bg-tint:      var(--ta-indigo-100);
  --bg-inverse:   var(--ta-indigo-900);
  --surface:      var(--white);
  --surface-alt:  var(--steel-100);

  --fg-1:         var(--steel-950);  /* body */
  --fg-2:         var(--warm-grey-700);  /* secondary */
  --fg-3:         var(--steel-500);  /* tertiary, captions */
  --fg-on-dark:   var(--white);
  --fg-on-tint:   var(--ta-indigo-900);
  --fg-link:      var(--ta-indigo-700);
  --fg-link-hover:var(--ta-indigo-600);

  --border:       var(--steel-200);
  --border-strong:var(--steel-300);
  --border-dark:  var(--steel-700);

  /* ---------- Typography ---------- */
  --font-sans: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Source Serif 4", Georgia, serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, monospace;

  --fw-regular: 400;
  --fw-medium:  500;
  --fw-semibold:600;
  --fw-bold:    700;
  --fw-black:   800;

  --fs-display: 56px;   --lh-display: 1.05;
  --fs-h1:      40px;   --lh-h1:      1.1;
  --fs-h2:      30px;   --lh-h2:      1.15;
  --fs-h3:      22px;   --lh-h3:      1.25;
  --fs-h4:      18px;   --lh-h4:      1.3;
  --fs-lead:    20px;   --lh-lead:    1.5;
  --fs-body:    16px;   --lh-body:    1.6;
  --fs-small:   14px;   --lh-small:   1.5;
  --fs-caption: 12px;   --lh-caption: 1.4;
  --tracking-tight: -0.01em;
  --tracking-normal: 0;
  --tracking-wide:  0.18em;       /* eyebrow / tagline — matches logo's "TECHNISCHE AUTOMATISERING" */

  /* ---------- Spacing (4px base) ---------- */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px;
  --sp-12: 48px; --sp-16: 64px; --sp-20: 80px; --sp-24: 96px;

  /* ---------- Radii ---------- */
  --r-sm: 2px;  --r-md: 4px;  --r-lg: 6px;  --r-xl: 12px;  --r-pill: 999px;

  /* ---------- Elevation (indigo-tinted) ---------- */
  --shadow-sm:  0 1px 2px rgba(32, 32, 96, 0.06);
  --shadow-md:  0 4px 12px rgba(32, 32, 96, 0.10);
  --shadow-lg:  0 12px 28px rgba(32, 32, 96, 0.14);
  --shadow-focus: 0 0 0 3px rgba(74, 74, 149, 0.30);

  /* ---------- Layout ---------- */
  --container-max: 1200px;
  --gutter:        24px;
  --section-y:     96px;

  /* ---------- Motion ---------- */
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 120ms;
  --dur-base: 200ms;
  --dur-slow: 320ms;

  /* ---------- Aliases for legacy refs (keeps old preview cards working) ---------- */
  --ta-blue-900: var(--ta-indigo-900);
  --ta-blue-800: var(--ta-indigo-700);
  --ta-blue-700: var(--ta-indigo-600);
  --ta-blue-500: var(--warm-grey-500);
  --ta-blue-300: var(--ta-indigo-200);
  --ta-blue-100: var(--ta-indigo-100);
}

html { color: var(--fg-1); background: var(--bg); }
body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--fg-1);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, .h1 { font-size: var(--fs-h1); line-height: var(--lh-h1); font-weight: var(--fw-bold); letter-spacing: var(--tracking-tight); color: var(--ta-indigo-700); margin: 0 0 var(--sp-4); }
h2, .h2 { font-size: var(--fs-h2); line-height: var(--lh-h2); font-weight: var(--fw-bold); letter-spacing: var(--tracking-tight); color: var(--ta-indigo-700); margin: 0 0 var(--sp-3); }
h3, .h3 { font-size: var(--fs-h3); line-height: var(--lh-h3); font-weight: var(--fw-semibold); color: var(--ta-indigo-700); margin: 0 0 var(--sp-2); }
h4, .h4 { font-size: var(--fs-h4); line-height: var(--lh-h4); font-weight: var(--fw-semibold); color: var(--fg-1); margin: 0 0 var(--sp-2); }
.display { font-size: var(--fs-display); line-height: var(--lh-display); font-weight: var(--fw-bold); letter-spacing: var(--tracking-tight); color: var(--ta-indigo-700); }
.lead { font-size: var(--fs-lead); line-height: var(--lh-lead); color: var(--fg-2); font-weight: var(--fw-regular); }
.eyebrow { font-size: var(--fs-caption); line-height: 1; text-transform: uppercase; letter-spacing: var(--tracking-wide); font-weight: var(--fw-semibold); color: var(--warm-grey-500); }
p { margin: 0 0 var(--sp-4); color: var(--fg-1); }
small, .small { font-size: var(--fs-small); line-height: var(--lh-small); color: var(--fg-2); }
.caption { font-size: var(--fs-caption); line-height: var(--lh-caption); color: var(--fg-3); }

a { color: var(--fg-link); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; transition: color var(--dur-fast) var(--ease-out); }
a:hover { color: var(--fg-link-hover); text-decoration-thickness: 2px; }

code, pre { font-family: var(--font-mono); font-size: 0.92em; }
hr { border: 0; border-top: 1px solid var(--border); margin: var(--sp-8) 0; }