/* Design tokens: barbed-wire-europe. Industrial, trustworthy.
   Palette: galvanised steel greys, deep iron-blue ink, rust accent on warm paper.
   Contrast (AA): ink on paper 14.6:1, steel-700 on paper 7.4:1, rust-600 on paper 5.3:1,
   paper on iron-800 12.9:1, paper on rust-700 7.1:1.
   Type: system stacks only. Sans for body, a heavy condensed-feeling sans for headings,
   mono for dates and specs. Scale is a 1.25 ratio from 1rem. */
:root {
  --color-paper: #f6f4ef;
  --color-surface: #ffffff;
  --color-ink: #1b2430;
  --color-iron-800: #243241;
  --color-iron-600: #3c5066;
  --color-steel-700: #4a5563;
  --color-steel-400: #9aa3ad;
  --color-steel-200: #d5d9de;
  --color-steel-100: #e8eaed;
  --color-rust-600: #a64b22;
  --color-rust-700: #8a3b17;
  --color-focus: #0b63ce;
  --color-link: #1d4f8c;

  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-heading: "Arial Narrow", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --text-xs: 0.8rem;
  --text-sm: 0.9rem;
  --text-base: 1rem;
  --text-md: 1.25rem;
  --text-lg: 1.563rem;
  --text-xl: 1.953rem;
  --text-2xl: 2.441rem;
  --text-3xl: 3.052rem;
  --leading-tight: 1.15;
  --leading-body: 1.6;
  --weight-heading: 800;
  --tracking-heading: 0.01em;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --border-width: 1px;
  --shadow-card: 0 1px 2px rgba(27, 36, 48, 0.12), 0 4px 12px rgba(27, 36, 48, 0.08);
  --content-width: 68rem;
  --measure: 66ch;
}