:root {
  /* Brand Color Palette */
  --color-primary: #0F2747;        /* Deep Midnight Blue - authority */
  --color-primary-rgb: 15, 39, 71;
  --color-secondary: #1E3A8A;      /* Royal Blue - interactivity */
  --color-secondary-rgb: 30, 58, 138;
  --color-accent: #C0C0C0;         /* Premium Metallic Silver - highlights */
  --color-accent-rgb: 192, 192, 192;
  --color-accent-dark: #A6A6A6;
  --color-accent-light: #E2E8F0;
  
  /* Backgrounds */
  --color-bg-white: #FFFFFF;
  --color-bg-light: #F8FAFC;       /* Off-white background for cards/alternating sections */
  --color-bg-card: #FFFFFF;
  --color-bg-dark: #0B1E36;        /* Deeper midnight for dark sections/footers */
  --color-bg-darker: #071324;
  
  /* Text Colors */
  --color-text-dark: #111827;      /* Primary dark text for body copy */
  --color-text-muted: #4B5563;     /* Muted body text */
  --color-text-light: #F9FAFB;     /* Light text on dark backgrounds */
  --color-text-light-muted: #D1D5DB;
  
  /* Feedback States */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  
  /* Typography */
  --font-headings: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Spacing Scale (Rem based) */
  --space-xs: 0.25rem;   /* 4px */
  --space-sm: 0.5rem;    /* 8px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2.5rem;    /* 40px */
  --space-xxl: 4rem;     /* 64px */
  --space-huge: 6rem;    /* 96px */
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* Layered Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 39, 71, 0.05), 0 2px 4px -1px rgba(15, 39, 71, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(15, 39, 71, 0.07), 0 4px 6px -2px rgba(15, 39, 71, 0.04);
  --shadow-premium: 0 20px 40px -10px rgba(15, 39, 71, 0.12), 0 10px 20px -5px rgba(0, 0, 0, 0.05);
  --shadow-card-hover: 0 30px 60px -15px rgba(15, 39, 71, 0.18), 0 15px 30px -10px rgba(0, 0, 0, 0.06);
  --shadow-inset: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-premium: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Layout limits */
  --max-width-container: 1200px;
  --max-width-text: 70ch;
  --header-height: 80px;
  --header-height-shrink: 70px;
}