/* DESIGN TOKENS */
:root {
  /* Colors - Restrained Medical Palette */
  --color-bg-primary: #FDFDFD; /* Soft off-white */
  --color-bg-secondary: #F6F7F9; /* Warm neutral */
  --color-bg-tertiary: #EAECEF; /* Slightly deeper neutral for borders/dividers */
  
  --color-text-primary: #1A1C20; /* Deep charcoal */
  --color-text-secondary: #4A4F59; /* Muted text */
  --color-text-inverse: #FFFFFF;
  
  --color-accent-primary: #0F52BA; /* Sapphire/Clinical accent - DDC identity */
  --color-accent-primary-hover: #0B3E8C;
  --color-accent-secondary: #E3EAF5; /* Muted background for accent elements */
  
  --color-success: #287D3C;
  --color-warning: #B37400;
  --color-error: #D12D2D;

  /* Typography System */
  /* 'Playfair Display' for Editorial Headings, 'Outfit' for UI Elements/Subheads, 'Inter' for Body */
  --font-family-display: 'Playfair Display', Georgia, serif;
  --font-family-heading: 'Outfit', system-ui, sans-serif;
  --font-family-body: 'Inter', system-ui, sans-serif;

  /* Scale */
  --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: 2rem;     /* 32px */
  --font-size-4xl: 2.5rem;   /* 40px */
  --font-size-5xl: 3.5rem;   /* 56px */
  --font-size-6xl: 4.5rem;   /* 72px */

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;

  /* Spacing Scale */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  --spacing-32: 8rem;

  /* Container & Grid */
  --container-max-width: 1280px;
  --container-padding-mobile: 1.5rem;
  --container-padding-desktop: 2rem;
  
  /* Borders & Shadows */
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --border-radius-xl: 32px;
  --border-radius-pill: 9999px;
  
  --shadow-sm: 0 1px 2px rgba(26, 28, 32, 0.05);
  --shadow-md: 0 8px 16px -4px rgba(26, 28, 32, 0.06), 0 4px 6px -2px rgba(26, 28, 32, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(26, 28, 32, 0.08), 0 8px 10px -6px rgba(26, 28, 32, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}