/* CSS Variables - Design System */
:root {
  /* Primary Brand Colors - CORRECTED */
  --primary-blue: #0088CC;  /* Correct brand blue (NOT #0099E6) */
  --primary-teal: #00D4AA;  /* Correct brand teal (NOT #00E5B8) */
  --deep-purple: #2D1B69;
  --accent-purple: #16537A;
  
  /* Neutral Colors */
  --text-primary: #1A1A1A;
  --text-secondary: #666666;
  --text-muted: #999999;
  --background-primary: #FFFFFF;
  --background-secondary: #F8F9FA;
  --background-tertiary: #F5F7FA;
  
  /* Semantic Colors */
  --success: #22C55E;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;
  
  /* Border Colors */
  --border-light: #E5E5E5;
  --border-medium: #D1D5DB;
  --border-strong: #9CA3AF;
  
  /* Primary Gradients - UPDATED WITH CORRECT COLORS */
  --gradient-primary: linear-gradient(135deg, #0088CC 0%, #00D4AA 100%);
  --gradient-hero: linear-gradient(135deg, #2D1B69 0%, #0088CC 50%, #00D4AA 100%);
  --gradient-card: linear-gradient(135deg, rgba(45, 27, 105, 0.05) 0%, rgba(0, 212, 170, 0.05) 100%);
  
  /* Overlay Gradients - UPDATED WITH CORRECT COLORS */
  --gradient-overlay-dark: linear-gradient(135deg, rgba(45, 27, 105, 0.8) 0%, rgba(0, 136, 204, 0.6) 100%);
  --gradient-overlay-light: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 249, 250, 0.8) 100%);
  
  /* Typography - SYSTEM FONTS ONLY (NO INTER) */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-code: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  
  /* Display Sizes - MOBILE FIRST WITH FLUID SIZING */
  --text-display-xl: clamp(2.5rem, 5vw, 4.5rem);    /* 40px → 72px */
  --text-display-lg: clamp(2rem, 4vw, 3.75rem);     /* 32px → 60px */
  --text-display-md: clamp(1.75rem, 3.5vw, 3rem);   /* 28px → 48px */
  --text-display-sm: clamp(1.5rem, 3vw, 2.25rem);   /* 24px → 36px */
  
  /* Heading Sizes - MOBILE FIRST WITH FLUID SIZING */
  --text-heading-xl: clamp(1.5rem, 2.5vw, 2rem);    /* 24px → 32px */
  --text-heading-lg: clamp(1.25rem, 2vw, 1.75rem);  /* 20px → 28px */
  --text-heading-md: clamp(1.125rem, 1.5vw, 1.5rem);/* 18px → 24px */
  --text-heading-sm: clamp(1rem, 1.25vw, 1.25rem);  /* 16px → 20px */
  
  /* Body Sizes */
  --text-body-xl: 1.125rem;     /* 18px */
  --text-body-lg: 1rem;         /* 16px */
  --text-body-md: 0.875rem;     /* 14px */
  --text-body-sm: 0.75rem;      /* 12px */
  
  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;
  
  /* Spacing Scale */
  --space-0: 0;
  --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 */
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(45, 27, 105, 0.1);
  --shadow-xl: 0 20px 60px rgba(45, 27, 105, 0.15);
  
  /* Z-index Scale */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}