/* CSS Variables - Design System */
:root {
  /* Colors */
  --color-brand-blue-primary: #427ec9;
  --color-brand-blue-secondary: #2e5c99;
  --color-brand-yellow-accent: #fca311;
  --color-brand-logo-accent: #ff8c42;

  --color-neutral-white: #ffffff;
  --color-neutral-grey-50: #f9fafb;
  --color-background: #0f0f23;
  --color-surface: #1a1a2e;

  --color-text-primary: #1f2937;
  --color-text-body: #6b7280;
  --color-text-secondary: #9ca3af;

  --color-action-success: #10b981;
  --color-action-error: #ef4444;

  --color-border-light: #e5e7eb;
  --color-border-default: #d1d5db;

  /* Typography */
  --font-family-headings: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-family-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --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-h1: 3rem; /* 48px */
  --font-size-h2: 2.25rem; /* 36px */

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  --line-height-heading: 1.2;
  --line-height-body: 1.6;

  /* Spacing */
  --space-xs: 0.25rem; /* 4px */
  --space-sm: 0.5rem; /* 8px */
  --space-md: 0.75rem; /* 12px */
  --space-lg: 1rem; /* 16px */
  --space-xl: 1.5rem; /* 24px */
  --space-xxl: 2rem; /* 32px */

  /* Border Radius */
  --border-radius-sm: 0.25rem; /* 4px */
  --border-radius-md: 0.375rem; /* 6px */
  --border-radius-lg: 0.5rem; /* 8px */
  --border-radius-full: 9999px;

  /* 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);

  /* Transitions */
  --transition-default: all 0.3s ease;
  --transition-fast: all 0.15s ease;
}