:root {
  /* Color Palette - Earthy and Natural */
  --color-primary: #8b4513;        /* Saddle Brown */
  --color-primary-light: #a0522d;  /* Sienna */
  --color-primary-dark: #654321;   /* Dark Brown */
  --color-secondary: #d2b48c;      /* Tan */
  --color-accent: #f5deb3;         /* Wheat */
  --color-text: #3e2723;           /* Dark Brown Text */
  --color-text-light: #5d4037;     /* Medium Brown */
  --color-text-muted: #8d6e63;     /* Light Brown */
  --color-white: #ffffff;
  --color-black: #2e1a0f;          /* Dark Espresso */
  --color-success: #556b2f;        /* Dark Olive Green */
  --color-warning: #daa520;        /* Goldenrod */
  --color-error: #a0522d;          /* Sienna for errors */
  
  /* Extended Earthy Palette */
  --color-sage: #9caf88;           /* Sage Green */
  --color-forest: #355e3b;         /* Forest Green */
  --color-moss: #8a9a5b;           /* Moss Green */
  --color-clay: #b87333;           /* Clay Brown */
  --color-sand: #f4a460;           /* Sandy Brown */
  --color-mushroom: #c19a6b;       /* Mushroom Tan */
  --color-bark: #704214;           /* Tree Bark */
  --color-stone: #a8a8a8;          /* Stone Gray */
  
  /* Typography Scale */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Layout */
  --container-max-width: 1280px;
  --container-padding: var(--space-6);
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;
  
  /* 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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}