/* ===================================
   CSS Variables - Color System
   =================================== */

   :root {
    /* Primary Colors */
    --primary-color: #4b8ab9;
    --primary-dark: #35648a;
    --primary-light: #7bb6e0;
    --primary-gradient: linear-gradient(135deg, #4b8ab9 0%, #35648a 100%);
    
    /* Secondary Colors */
    --secondary-color: #629dc2;
    --secondary-dark: #35648a;
    --secondary-light: #a3c7de;
    
    /* Neutral Colors */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f8f9fa;
    --gray-100: #f6f6f694;
    --gray-200: #e0e3e7;
    --gray-300: #cfd4da;
    --gray-400: #adb5bd;
    --gray-500: #868e96;
    --gray-600: #495057;
    --gray-700: #343a40;
    --gray-800: #212529;
    --gray-900: #141619;
    
    /* Text Colors */
    --text-primary: #222f3e;
    --text-secondary: #35648a;
    --text-muted: #7bb6e0;
    --text-white: #ffffff;
    --text-light: #e3f1fa;
    
    /* Background Colors */
    --bg-primary: #e3f1fa;
    --bg-secondary: #f8fafc;
    --bg-dark: #222f3e;
    --bg-gradient: linear-gradient(135deg, #4b8ab9 0%, #7bb6e0 100%);
    --bg-hero: linear-gradient(135deg, rgba(75, 138, 185, 0.9) 0%, rgba(53, 100, 138, 0.9) 100%);
    
    /* Border Colors */
    --border-light: #a3c7de;
    --border-medium: #629dc2;
    --border-dark: #35648a;
    
    /* Shadow Colors */
    --shadow-sm: 0 1px 2px 0 rgba(20, 22, 25, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(20, 22, 25, 0.1), 0 2px 4px -1px rgba(20, 22, 25, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(20, 22, 25, 0.1), 0 4px 6px -2px rgba(20, 22, 25, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(20, 22, 25, 0.1), 0 10px 10px -5px rgba(20, 22, 25, 0.04);
    
    /* Status Colors */
    --success: #2ecc71;
    --success-light: #d4fbe2;
    --success-dark: #27ae60;
    --warning: #f39c12;
    --warning-light: #fff3cd;
    --warning-dark: #d68910;
    --error: #e74c3c;
    --error-light: #fdecea;
    --error-dark: #c0392b;
    --info: #3498db;
    --info-light: #d6ecfa;
    --info-dark: #2c80b4;
    
    /* Navigation Colors */
    --nav-bg: rgba(255, 255, 255, 0.94);
    --nav-bg-scroll: rgba(255, 255, 255, 0.98);
    --nav-text: #343a40;
    --nav-text-hover: #0f172a;
    --nav-active: #bfa77a;
    --nav-active-bg: rgba(191, 167, 122, 0.1);
    
    /* Button Colors */
    --btn-primary: #4b8ab9;
    --btn-primary-hover: #35648a;
    --btn-secondary: #7bb6e0;
    --btn-secondary-hover: #629dc2;
    --btn-success: #2ecc71;
    --btn-success-hover: #27ae60;
    --btn-danger: #e74c3c;
    --btn-danger-hover: #c0392b;
    --btn-warning: #f39c12;
    --btn-warning-hover: #d68910;
    --btn-info: #3498db;
    --btn-info-hover: #2c80b4;
    --btn-light: #f1f3f5;
    --btn-light-hover: #e0e3e7;
    --btn-dark: #141619;
    --btn-dark-hover: #000000;
    --btn-outline: transparent;
    --btn-outline-border: #bfa77a;
    --btn-outline-hover: #bfa77a;
    
    /* Footer Colors */
    --footer-bg: #141619;
    --footer-text: #dee2e6;
    --footer-text-muted: #adb5bd;
    --footer-link: #ffffff;
    --footer-link-hover: #bfa77a;
    
    /* Card Colors */
    --card-bg: #ffffff;
    --card-border: #dee2e6;
    --card-shadow: 0 1px 3px 0 rgba(20, 22, 25, 0.1), 0 1px 2px 0 rgba(20, 22, 25, 0.06);
    --card-hover-shadow: 0 10px 15px -3px rgba(20, 22, 25, 0.1), 0 4px 6px -2px rgba(20, 22, 25, 0.05);
    
    /* Form Colors */
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --input-border-focus: #bfa77a;
    --input-text: #212529;
    --input-placeholder: #adb5bd;
    
    /* Spacing Variables */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 5rem;
    --space-5xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Transition */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
    --transition-all: all 0.2s ease;
}

/* Dark mode variables (for future implementation) */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
        --text-primary: #f8f9fa;
        --text-secondary: #dee2e6;
        --text-muted: #adb5bd;
        --card-bg: #1e293b;
        --nav-bg: rgba(15, 23, 42, 0.95);
        --nav-text: #dee2e6;
        --border-light: #343a40;
        --border-medium: #495057;
    }
}