/**
 * Calgarys.best Design Tokens
 * 
 * Visual Identity: 
 * - Mountains meet prairie (duality)
 * - Urban sophistication + Western heritage
 * - Premium, confident, modern
 */

:root {
  /* ===== COLOR PALETTE ===== */
  
  /* Primary - Calgary Sky Blue */
  --color-primary: #1E6BB8;
  --color-primary-light: #3B8BD6;
  --color-primary-dark: #15528A;
  
  /* Secondary - Mountain Slate */
  --color-secondary: #4A5568;
  --color-secondary-light: #718096;
  --color-secondary-dark: #2D3748;
  
  /* Accent - Sunset Gold */
  --color-accent: #E8913A;
  --color-accent-light: #F5A960;
  --color-accent-dark: #D4741A;
  
  /* Success - Forest Green */
  --color-success: #2D8659;
  
  /* Warning - Wildfire Orange */
  --color-warning: #DD6B20;
  
  /* Error - Crimson */
  --color-error: #C53030;
  
  /* Neutrals */
  --color-white: #FFFFFF;
  --color-gray-50: #F7FAFC;
  --color-gray-100: #EDF2F7;
  --color-gray-200: #E2E8F0;
  --color-gray-300: #CBD5E0;
  --color-gray-400: #A0AEC0;
  --color-gray-500: #718096;
  --color-gray-600: #4A5568;
  --color-gray-700: #2D3748;
  --color-gray-800: #1A202C;
  --color-gray-900: #0D1117;
  --color-black: #000000;
  
  /* Backgrounds */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F7FAFC;
  --bg-tertiary: #EDF2F7;
  
  /* Text */
  --text-primary: #1A202C;
  --text-secondary: #4A5568;
  --text-tertiary: #718096;
  --text-inverse: #FFFFFF;
  
  /* Borders */
  --border-light: #E2E8F0;
  --border-medium: #CBD5E0;
  --border-dark: #A0AEC0;
  
  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.06);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 30px rgba(30, 107, 184, 0.15);
  
  /* ===== TYPOGRAPHY ===== */
  
  /* Font Families */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Font Sizes - Fluid Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 0.9rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.05rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.4rem + 2.4vw, 2.75rem);
  --text-4xl: clamp(2.25rem, 1.6rem + 3.25vw, 3.5rem);
  --text-5xl: clamp(3rem, 2rem + 5vw, 4.5rem);
  
  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0em;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;
  
  /* ===== SPACING ===== */
  
  /* Base spacing unit: 4px */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */
  
  /* ===== LAYOUT ===== */
  
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* ===== ANIMATION ===== */
  
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
  --duration-slower: 600ms;
  
  /* ===== Z-INDEX ===== */
  
  --z-base: 0;
  --z-raised: 10;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 500;
  --z-toast: 1000;
}

/* ===== DARK MODE ===== */

@media (prefers-color-scheme: dark) {
  :root {
    /* Override for dark mode */
    --bg-primary: #0D1117;
    --bg-secondary: #161B22;
    --bg-tertiary: #21262D;
    
    --text-primary: #F0F6FC;
    --text-secondary: #8B949E;
    --text-tertiary: #6E7681;
    --text-inverse: #0D1117;
    
    --border-light: #30363D;
    --border-medium: #484F58;
    --border-dark: #6E7681;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 30px rgba(30, 107, 184, 0.25);
  }
}

/* ===== HIGH CONTRAST ===== */

@media (prefers-contrast: high) {
  :root {
    --color-primary: #4A90D9;
    --text-primary: #FFFFFF;
    --text-secondary: #E0E0E0;
    --border-light: #505050;
  }
}

/* ===== REDUCED MOTION ===== */

@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0ms;
    --duration-normal: 0ms;
    --duration-slow: 0ms;
    --duration-slower: 0ms;
  }
}