/* TripTicker Typography System */
:root {
  --typography-display-xl: 64px;
  --typography-display-lg: 48px;
  --typography-display-md: 32px;
  --typography-display-sm: 24px;
  --typography-title-lg: 20px;
  --typography-title-md: 18px;
  --typography-title-sm: 16px;
  --typography-body-md: 16px;
  --typography-body-sm: 14px;
  --typography-caption: 12px;
  --typography-label-uppercase: 13px;
  --typography-button: 14px;
  --typography-nav-link: 14px;
  
  /* Font Family */
  --font-family-primary: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-bold: 700;
  
  /* Line Heights */
  --line-height-display-xl: 1.05;
  --line-height-display-lg: 1.1;
  --line-height-display-md: 1.15;
  --line-height-display-sm: 1.25;
  --line-height-title-lg: 1.3;
  --line-height-title-md: 1.4;
  --line-height-title-sm: 1.4;
  --line-height-body-md: 1.55;
  --line-height-body-sm: 1.55;
  --line-height-caption: 1.4;
  --line-height-label: 1.3;
  --line-height-button: 1.0;
  --line-height-nav-link: 1.4;
  
  /* Letter Spacing */
  --tracking-label: 1.5px;
  --tracking-button: 0.5px;
  --tracking-nav-link: 0.3px;
  --tracking-caption: 0.5px;
}