:root {
  /* Brand — from MI-BOSPO logo */
  --color-brand: #854471;
  --color-brand-dark: #6a3560;
  --color-brand-orange: #f48120;
  --color-brand-yellow: #fcdc00;

  /* Modern UI */
  --color-trust: #1b6b8a;
  --color-trust-light: #e8f4f8;
  --color-trust-dark: #134d63;
  --color-growth: #2e9e5b;
  --color-growth-light: #e8f5ec;
  --color-growth-dark: #1f6b3e;

  /* Surfaces */
  --color-surface: #ffffff;
  --color-surface-alt: #f4f8fb;
  --color-surface-warm: #fdf8f4;
  --color-border: #dde5ec;
  --color-border-light: #eef2f6;

  /* Text */
  --color-text: #1a2b3c;
  --color-text-muted: #5a6b7d;
  --color-text-inverse: #ffffff;

  /* Typography */
  --font-body: "Source Sans 3", system-ui, -apple-system, sans-serif;
  --font-display: "Fraunces", Georgia, serif;
  --text-base: 1.125rem;
  --text-sm: 0.9375rem;
  --text-xs: 0.8125rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: clamp(2rem, 4vw, 2.75rem);
  --text-4xl: clamp(2.25rem, 5vw, 3.25rem);
  --leading-tight: 1.2;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 2.5rem;
  --space-3xl: 4rem;
  --space-4xl: 5rem;
  --space-5xl: 6.5rem;
  --section-pad-y: clamp(3.5rem, 6vw, 5.5rem);
  --section-header-gap: clamp(2rem, 4vw, 3rem);
  --grid-gap: clamp(1.25rem, 2.5vw, 2rem);
  --grid-gap-lg: clamp(1.5rem, 3vw, 2.5rem);

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 900px;
  --header-height: 72px;
  --topbar-height: 40px;
  --mobile-cta-height: 64px;

  /* Radius & shadow */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --shadow-soft: 0 4px 24px rgba(27, 107, 138, 0.08);
  --shadow-card: 0 8px 32px rgba(26, 43, 60, 0.08);
  --shadow-float: 0 12px 40px rgba(133, 68, 113, 0.12);
  --shadow-header: 0 2px 16px rgba(26, 43, 60, 0.06);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Z-index */
  --z-topbar: 100;
  --z-header: 200;
  --z-dropdown: 300;
  --z-mobile-nav: 400;
  --z-mobile-cta: 350;
  --z-skip: 500;
}