:root {
  /* Brand — shared with the Vertex product for continuity */
  --navy-975: #06182a;
  --navy-950: #0a2338;
  --navy-900: #0f3d61;
  --navy-800: #154e7a;
  --navy-700: #1c5f8f;
  --navy-600: #2b73a8;
  --navy-300: #9dbfd9;
  --navy-200: #c3d8ea;
  --navy-100: #dce8f2;
  --navy-50: #eef4f9;

  --teal-700: #0b7d73;
  --teal-600: #0d9488;
  --teal-400: #2dd4bf;
  --teal-300: #7fdcd0;
  --teal-100: #d8f3ef;
  --teal-50: #effaf8;

  --ink-950: #14110e;
  --ink-900: #1c1917;
  --ink-700: #44403c;
  --ink-600: #57534e;
  --ink-500: #78716c;
  --ink-400: #a8a29e;
  --ink-300: #d6d3d1;
  --ink-200: #e7e5e4;
  --ink-150: #eeecea;
  --ink-100: #f3f2f0;
  --ink-50: #fafaf9;

  --white: #ffffff;

  --positive: #0f7a4d;
  --positive-bg: #e7f6ee;
  --warning: #9a6300;
  --warning-bg: #fbf0d9;
  --negative: #b3261e;
  --negative-bg: #fbeae9;
  --info: #1c5f8f;
  --info-bg: #eaf2f8;

  /* Semantic */
  --bg: var(--ink-50);
  --surface: var(--white);
  --surface-sunken: var(--ink-100);
  --text: var(--ink-900);
  --text-muted: var(--ink-600);
  --text-faint: var(--ink-500);
  --border: var(--ink-200);
  --border-strong: var(--ink-300);
  --brand: var(--navy-800);
  --accent: var(--teal-600);
  --focus-ring: 0 0 0 3px rgba(21, 78, 122, 0.28);

  /* Typography */
  --font-display: "Inter Tight", "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Shape */
  --radius-xs: 4px;
  --radius-sm: 7px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --shadow-sm: 0 1px 2px rgba(20, 17, 14, 0.05);
  --shadow: 0 1px 2px rgba(20,17,14,.04), 0 6px 20px -6px rgba(20, 17, 14, 0.10);
  --shadow-lg: 0 2px 4px rgba(20,17,14,.04), 0 24px 56px -18px rgba(20, 17, 14, 0.26);
  --shadow-xl: 0 2px 6px rgba(6,24,42,.10), 0 40px 90px -30px rgba(6, 24, 42, 0.55);

  --container: 1200px;
  --container-narrow: 760px;
  --gutter: 24px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (max-width: 640px) {
  :root { --gutter: 18px; }
}