:root {
    /* Colors */
    --color-primary: #0047FF; /* Vibrant Blue */
    --color-primary-hover: #0038cc;
    --color-secondary: #0A1128; /* Dark Navy for Hero/Footer */
    --color-accent: #00E676; /* Green for success/ticks */
    
    --color-text-dark: #0F172A; /* Slate 900 for headings */
    --color-text-body: #475569; /* Slate 600 for body text */
    --color-text-light: #94A3B8; /* Slate 400 for secondary info */
    
    --color-bg-white: #FFFFFF;
    --color-bg-light: #F9FAFB; /* Light gray section backgrounds */
    --color-border: #E5E7EB;

    /* Typography */
    --font-family-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-family-heading: 'Outfit', system-ui, -apple-system, sans-serif;
    
    --font-size-xs: 0.75rem;     /* 12px */
    --font-size-sm: 0.8125rem;    /* 13px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 1.875rem;   /* 30px */
    --font-size-4xl: 2.25rem;    /* 36px */
    --font-size-5xl: 3rem;       /* 48px */
    --font-size-6xl: 3.75rem;    /* 60px */

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;

    /* Layout */
    --container-max-width: 1440px;
}