/* =============================================================================
   BRAND — the ONLY file that changes if the company renames (Quivva question
   is still open). Everything brand-specific lives here: name (via logo files
   in /assets/brand/), colours, fonts. site.css consumes these tokens only.
============================================================================= */
:root {
  color-scheme: light dark;   /* designed palettes for both; stops Android force-dark inversion */
  /* Accent — indigo, carried from the Cognixa platform design system */
  --accent:          #4F46E5;
  --accent-strong:   #4338CA;
  --accent-bright:   #6366F1;
  --accent-ondark:   #A5B4FC;   /* links/labels on the dark shell */
  --accent-soft:     #EEF0FF;
  --accent-softline: #D9DCFF;

  /* Warm paper canvas + warm charcoal ink (AA-measured on the platform) */
  --paper:    #FAF8F4;
  --card:     #FFFFFF;
  --sunken:   #F2EEE7;
  --ink:      #1F1D1A;   /* headings, key values */
  --ink-2:    #5C594F;   /* body copy */
  --ink-3:    #6F6C61;   /* labels, meta — the AA floor, do not lighten */
  --hair:     #E8E3D8;
  --line:     #D5CFC0;

  /* Dark band (warm charcoal, not navy) */
  --dark:      #191713;
  --dark-2:    #241F18;
  --dark-line: #3A352B;
  --dark-ink:  #F3EFE6;
  --dark-ink2: #C9C3B4;

  /* Type — display serif for warmth, sans for UI, mono for eyebrows/figures */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
}

/* Designed dark theme — warm charcoal shell, desaturated indigo.
   Contrast maths and rationale: DARK-THEME-DESIGN.md (all pairs AA+). */
@media (prefers-color-scheme: dark) {
  :root {
    --paper:  #191713;
    --card:   #241F18;   /* elevation by lightness; hair border keeps the edge */
    --sunken: #14110C;
    --ink:    #F3EFE6;
    --ink-2:  #C9C3B4;
    --ink-3:  #A8A190;   /* pushed past the 4.5 floor — WCAG flatters dark pairs */
    --hair:   #2A251D;
    --line:   #3A352B;

    --accent:          #6366F1;   /* graphics/numerals; buttons pin #4F46E5 in site.css */
    --accent-strong:   #A5B4FC;   /* links — passes on every dark surface */
    --accent-bright:   #818CF8;   /* focus outlines, hovers */
    --accent-soft:     #26244B;
    --accent-softline: #3D3B66;

    --dark: #12100C;   /* Cognixa band + footer drop below the page */
  }
}