:root {
    /* Colors - PEA Website Theme */
    
    /* 🌿 Primary (Institutional Green) */
    --color-primary: #006633;           /* Dark Green - header background, buttons, accents */
    --color-primary-light: #66FFC2;     /* Light Mint Green - hover/buttons background */
    --color-primary-dark: #004422;      /* Darker Green variant */
    
    /* ☀️ Secondary */
    --color-secondary: #FFB800;         /* Bright Yellow/Amber - highlights, icons, call-to-action */
    --color-secondary-light: #FFD966;   /* Light Yellow - background accents, softer highlights */
    
    /* ⚫ Neutrals */
    --color-background: #FFFFFF;        /* White - backgrounds, cards */
    --color-surface: #F3F4F6;          /* Light Gray - section backgrounds */
    --color-surface-light: #FAFBFC;    /* Even lighter gray for subtle backgrounds */
    --color-text-primary: #333333;     /* Dark Gray - primary text */
    --color-text-secondary: #666666;   /* Medium Gray - secondary text */
    --color-text-muted: #999999;       /* Light Gray - muted text */
    
    /* 🎯 Accent Colors */
    --color-accent: #00CFFF;           /* Aqua Blue - buttons/illustrations highlights */
    --color-accent-violet: #9B5DE5;   /* Violet - icons/numbers in "Nossos Números" */
    --color-accent-orange: #FF6B35;   /* Orange - icons/numbers in "Nossos Números" */
    
    /* Additional utility colors derived from the palette */
    --color-success: var(--color-primary);
    --color-warning: var(--color-secondary);
    --color-info: var(--color-accent);
    --color-error: var(--color-accent-orange);
    
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;
    
    /* Font Sizes */
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --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-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */
    --spacing-3xl: 4rem;     /* 64px */
    --spacing-4xl: 6rem;     /* 96px */
    
    /* Layout */
    --container-max-width: 1200px;
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 20px;
    --border-radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}