:root {
  color-scheme: light;

  /* Honor Flight Network official reference palette (2024 guide) — co-branded use only */
  --hfn-stiletto: #a8333a;
  --hfn-network-blue: #243570;
  --hfc-blue: #0f5ca0;
  --hfc-blue-dark: #082e50;
  --hfc-maroon: #96272d;
  --hfc-data-navy: #1e3a8a;
  --hfc-action-red: #b91c1c;
  --hfc-public-site-blue-hover: #3078be;
  --hfc-public-site-red-bright: #e13a44;

  /* Compatibility aliases for existing board/data components. */
  --hfc-navy: var(--hfc-blue);
  --hfc-navy-dark: var(--hfc-blue-dark);
  --hfc-red: var(--hfc-maroon);
  --hfc-red-dark: var(--hfc-maroon);

  --hfc-ink: #1a2233;
  --hfc-text-secondary: #475569;
  --hfc-text-muted: #64748b;
  --hfc-text-inverse: #ffffff;

  --hfc-canvas: #f4f6fa;
  --hfc-paper: #ffffff;
  --hfc-surface-subtle: #f8fafc;
  --hfc-surface-tint: #eef2f9;
  --hfc-line: #dbe2ee;

  --hfc-program: #1d4ed8;
  --hfc-management-general: #64748b;
  --hfc-fundraising: #b91c1c;
  --hfc-success: #166534;
  --hfc-success-bg: #dcfce7;
  --hfc-warning: #92400e;
  --hfc-warning-bg: #fef3c7;
  --hfc-danger: #991b1b;
  --hfc-danger-bg: #fee2e2;
  --hfc-information: #1e40af;
  --hfc-information-bg: #dbeafe;

  --hfc-font-sans: "Avenir Next", Avenir, "Segoe UI", Arial, Helvetica, sans-serif;
  --hfc-font-serif: "Adobe Caslon Pro", Baskerville, Georgia, "Times New Roman", serif;
  --hfc-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --hfc-space-xs: 0.25rem;
  --hfc-space-sm: 0.5rem;
  --hfc-space-md: 1rem;
  --hfc-space-lg: 1.5rem;
  --hfc-space-xl: 2rem;
  --hfc-space-2xl: 3rem;

  --hfc-radius-sm: 0.375rem;
  --hfc-radius: 0.75rem;
  --hfc-radius-lg: 1rem;
  --hfc-radius-pill: 999px;
  --hfc-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);

  --hfc-content-max: 64rem;
  --hfc-content-narrow: 46rem;
}