:root {
  /* Brand-adjacent demo palette. Approved logo assets remain separate. */
  --color-ink-950: #111b2e;
  --color-ink-900: #17243b;
  --color-ink-800: #253650;
  --color-ink-700: #40516b;
  --color-ink-600: #5d6c83;
  --color-ink-500: #748298;
  --color-ink-400: #98a4b5;
  --color-ink-300: #bac3d0;
  --color-ink-200: #d6dce5;
  --color-ink-100: #e9edf3;
  --color-ink-50: #f5f7fa;

  --color-primary-700: #1553cc;
  --color-primary-600: #1d63e9;
  --color-primary-500: #2b70f7;
  --color-primary-100: #dce9ff;
  --color-primary-50: #eff5ff;

  --color-accent-700: #087c71;
  --color-accent-600: #0a9587;
  --color-accent-100: #cef4ee;
  --color-accent-50: #ebfbf8;

  --color-success-700: #167048;
  --color-success-100: #d9f5e7;
  --color-warning-800: #8a4e08;
  --color-warning-100: #ffebbd;
  --color-danger-700: #b12e3f;
  --color-danger-100: #ffe0e4;

  --color-white: #ffffff;
  --color-canvas: #f4f7fb;
  --color-surface: #ffffff;
  --color-surface-soft: #f8fafc;
  --color-border: #e1e6ed;
  --color-border-strong: #ccd4df;

  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: clamp(1.65rem, 2vw, 2.15rem);
  --text-3xl: clamp(2rem, 3vw, 3rem);

  --leading-tight: 1.2;
  --leading-normal: 1.55;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-pill: 999px;

  --shadow-xs: 0 1px 2px rgb(17 27 46 / 5%);
  --shadow-sm: 0 4px 14px rgb(17 27 46 / 6%);
  --shadow-md: 0 14px 36px rgb(17 27 46 / 10%);
  --shadow-focus: 0 0 0 3px rgb(43 112 247 / 22%);

  --sidebar-width: 17rem;
  --topbar-height: 4.5rem;
  --content-max: 90rem;
  --transition-fast: 150ms ease;
  --transition-base: 220ms ease;
  --z-sidebar: 30;
  --z-overlay: 20;
  --z-skip: 100;
}