:root {
  /* Colors */
  --color-primary: #0F3A2E;          /* Forest Deep Green */
  --color-primary-dark: #09241C;
  --color-primary-light: #1A5343;
  --color-accent: #10B981;           /* Sustainable Emerald */
  --color-accent-hover: #059669;
  --color-kraft: #8C6239;            /* Raw Kraft Brown */
  --color-kraft-light: #F4ECE1;      /* Kraft Paper Tint */
  --color-kraft-border: #D4B996;
  
  --color-bg-main: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-bg-card: #FFFFFF;
  --color-bg-dark: #0B131E;
  
  --color-text-main: #1E293B;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;
  --color-text-inverse: #FFFFFF;
  
  --color-border: #E2E8F0;
  --color-border-dark: rgba(255, 255, 255, 0.12);
  --color-success: #16A34A;
  --color-warning: #D97706;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  /* Layout */
  --content-max-width: 1240px;
  --content-narrow: 880px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}