/* Dunhuang Mineral Palette Color Variables */
:root {
  /* Primary: Jade Turquoise (inspired by mineral pigments) */
  --color-primary: #4A9B8E;
  --color-primary-light: #6BB8A9;
  --color-primary-dark: #2F6B5F;
  
  /* Secondary: Ochre Gold */
  --color-secondary: #D4A574;
  --color-secondary-light: #E8C9A0;
  --color-secondary-dark: #B8865A;
  
  /* Accent: Vermilion Red */
  --color-accent: #C84B31;
  --color-accent-light: #E67A5F;
  --color-accent-dark: #A13B24;
  
  /* Accent 2: Ancient Jade Green */
  --color-jade: #7DAA92;
  --color-jade-light: #A3C9B5;
  --color-jade-dark: #5A8470;
  
  /* Neutral: Silk & Stone */
  --color-bg-cream: #FFF9F3;
  --color-bg-light: #F5EDE0;
  --color-bg-mural: #E8DFD0;
  --color-text-dark: #2C2420;
  --color-text-medium: #5A4F47;
  --color-text-light: #8A7F75;
  --color-border: #D4C8B8;
  --color-shadow: rgba(44, 36, 32, 0.12);
  
  /* Typography */
  --font-serif: Georgia, 'Times New Roman', Times, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  
  /* Font Sizes (Mobile First) */
  --font-size-xs: 0.875rem;      /* 14px */
  --font-size-sm: 1rem;           /* 16px */
  --font-size-base: 1.125rem;     /* 18px */
  --font-size-lg: 1.25rem;        /* 20px */
  --font-size-xl: 1.5rem;         /* 24px */
  --font-size-2xl: 2rem;          /* 32px */
  --font-size-3xl: 2.5rem;        /* 40px */
  --font-size-4xl: 3rem;          /* 48px */
  
  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing */
  --spacing-xs: 0.5rem;    /* 8px */
  --spacing-sm: 1rem;      /* 16px */
  --spacing-md: 1.5rem;    /* 24px */
  --spacing-lg: 2rem;      /* 32px */
  --spacing-xl: 3rem;      /* 48px */
  --spacing-2xl: 4rem;     /* 64px */
  --spacing-3xl: 6rem;     /* 96px */
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-silk: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px var(--color-shadow);
  --shadow-md: 0 4px 16px var(--color-shadow);
  --shadow-lg: 0 8px 24px var(--color-shadow);
  --shadow-jade: 0 4px 16px rgba(74, 155, 142, 0.2);
  
  /* Z-index */
  --z-header: 1000;
  --z-sticky-cta: 999;
  --z-decoration: 1;
}