:root {
    /* ---- Primary Colors ---- */
    --color-primary: #003366;
    --color-primary-dark: #002244;
    --color-primary-light: #004488;
    --color-primary-rgb: 0, 51, 102;
    
    /* ---- Secondary Colors ---- */
    --color-secondary: #C9A227;
    --color-secondary-dark: #A8881A;
    --color-secondary-light: #DAB84A;
    --color-secondary-rgb: 201, 162, 39;
    
    /* ---- Accent Colors ---- */
    --color-accent: #2E8B57;
    --color-accent-dark: #1E6B3A;
    --color-accent-light: #3DAF6A;
    
    /* ---- Neutral Colors ---- */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-50: #F8F9FA;
    --color-gray-100: #F0F2F5;
    --color-gray-200: #E4E6EB;
    --color-gray-300: #CCCFD4;
    --color-gray-400: #A0A4AB;
    --color-gray-500: #6C757D;
    --color-gray-600: #495057;
    --color-gray-700: #343A40;
    --color-gray-800: #212529;
    --color-gray-900: #1A1A1A;
    
    /* ---- Semantic Colors ---- */
    --color-success: #28A745;
    --color-success-dark: #218838;
    --color-success-light: #D4EDDA;
    --color-danger: #DC3545;
    --color-danger-dark: #C82333;
    --color-danger-light: #F8D7DA;
    --color-warning: #FFC107;
    --color-warning-dark: #E0A800;
    --color-warning-light: #FFF3CD;
    --color-info: #17A2B8;
    --color-info-dark: #138496;
    --color-info-light: #D1ECF1;
    
    /* ---- Gradients ---- */
    --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    --gradient-secondary: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    --gradient-accent: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    --gradient-hero: linear-gradient(135deg, rgba(0, 51, 102, 0.92), rgba(0, 34, 68, 0.96));
    --gradient-gold: linear-gradient(135deg, #C9A227, #E8C84A);
    
    /* ---- Typography ---- */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* ---- Font Sizes ---- */
    --text-xs: 12px;
    --text-sm: 14px;
    --text-base: 16px;
    --text-lg: 18px;
    --text-xl: 20px;
    --text-2xl: 24px;
    --text-3xl: 30px;
    --text-4xl: 36px;
    --text-5xl: 48px;
    --text-6xl: 56px;
    
    /* ---- Font Weights ---- */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;
    
    /* ---- Line Heights ---- */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;
    --line-height-loose: 2.0;
    
    /* ---- Spacing ---- */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 80px;
    
    /* ---- Border Radius ---- */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;
    
    /* ---- Shadows ---- */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.15);
    
    /* ---- Transitions ---- */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* ---- Z-Index ---- */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-toast: 1080;
    --z-loader: 9999;
}