:root {
  /* Colors */
  --primary-color: #042551; /* Navy */
  --secondary-color: #8B0000; /* Maroon */
  --accent-color: #FFB300; /* Amber/Gold for CTAs */
  --bg-color: #F8FAFC; /* Light gray background */
  --surface-color: #FFFFFF; /* White for cards */
  --text-main: #1E293B; /* Slate 800 */
  --text-muted: #64748B; /* Slate 500 */
  --text-light: #F8FAFC; /* Light text for dark bgs */
  --border-color: #E2E8F0; /* Slate 200 */
  --success-color: #10B981;
  --error-color: #EF4444;

  /* Typography */
  --font-heading: 'Roboto', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Spacing Scale */
  --spacing-1: 4px;
  --spacing-2: 8px;
  --spacing-3: 16px;
  --spacing-4: 24px;
  --spacing-5: 32px;
  --spacing-6: 48px;
  --spacing-8: 64px;

  /* Borders & Shadows */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
}