/* ==========================================================================
   RRG Innovations - Design System Tokens & Global Theme
   ========================================================================== */

:root {
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  /* Font Weights */
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* Color Palette - Neutrals & Corporate Foundations */
  --color-page: #FBFBFA;
  --color-surface: #FFFFFF;
  --color-surface-subtle: #F3F4F1;
  --color-surface-elevated: #FFFFFF;

  --color-text-primary: #0F172A;    /* Deep navy-charcoal for high contrast readability */
  --color-text-secondary: #475569;  /* Balanced slate for body copy */
  --color-text-muted: #64748B;      /* Gentle muted slate for metadata */
  --color-text-inverse: #FFFFFF;

  --color-border-subtle: #E2E8F0;
  --color-border-medium: #CBD5E1;
  --color-border-focus: #4E6E54;

  /* Harmonious Brand Pastels & Accents (compatible with Zunnio identity) */
  --color-sage-primary: #4E6E54;
  --color-sage-dark: #37523D;
  --color-sage-light: #6E8D74;
  --color-sage-bg: #EBF2EC;
  --color-sage-border: #D1E1D5;

  --color-warm-primary: #C57D61;
  --color-warm-bg: #FAF2EE;
  --color-warm-border: #F3DED5;

  --color-navy-dark: #0B1120;
  --color-navy-surface: #1E293B;

  /* Spacing Scale */
  --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 */
  --container-max-width: 1200px;
  --container-padding: 1.5rem;

  /* Border Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.03);
  --shadow-md: 0 8px 20px -4px rgba(15, 23, 42, 0.06), 0 3px 6px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 16px 36px -6px rgba(15, 23, 42, 0.08), 0 6px 14px -3px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 0 0 1px rgba(78, 110, 84, 0.15), 0 8px 24px rgba(78, 110, 84, 0.1);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 350ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Accessibility & Focus Outline */
  --focus-ring: 2px solid var(--color-sage-primary);
  --focus-offset: 3px;
}