:root {
  --color-white: #ffffff;
  --color-black: #000000;
  --color-blue: #2563eb;
  --color-blue-dark: #1d4ed8;
  --color-blue-light: #3b82f6;
  --color-grey: #4b5563;
  --color-grey-muted: #6b7280;
  --color-grey-border: #e5e7eb;
  --color-grey-bg: #f9fafb;
  --font-sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --header-height: 5rem;
  --container-max: 75rem;
  --container-pad: clamp(1.25rem, 4vw, 3.5rem);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-badge: 0 8px 20px rgba(37, 99, 235, 0.25);
}