:root {
    /* Colors */
    --color-paper-white: #ffffff;
    --color-ink-black: #000000;
    --color-carbon: #181818;
    --color-ash: #6d6d6d;
    --color-smoke: #9a9a9a;
    --color-pewter: #808080;
    --color-graphite: #636363;
    --color-mercury-flow: #a0e0ab;
    --gradient-mercury-flow: linear-gradient(90deg, rgb(160, 224, 171), rgb(255, 172, 46) 50%, rgb(165, 45, 37));
  
    /* Typography — Font Families */
    --font-roobert: 'Roobert', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-raleway: 'Raleway', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-system-ui: 'system-ui', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
    /* Typography — Scale */
    --text-body: 16px;
    --leading-body: 1.39;
    --text-body-lg: 18px;
    --leading-body-lg: 1.36;
    --text-subheading: 30px;
    --leading-subheading: 1.25;
    --text-heading-sm: 45px;
    --leading-heading-sm: 1.22;
    --text-heading: 54px;
    --leading-heading: 1.21;
    --text-heading-lg: 78px;
    --leading-heading-lg: 1.15;
    --text-display: 94px;
    --leading-display: 1.1;
    --text-hero: 225px;
    --leading-hero: 0.76;
  
    /* Typography — Weights */
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-semibold: 600;
  
    /* Spacing */
    --spacing-unit: 4px;
    --spacing-8: 8px;
    --spacing-12: 12px;
    --spacing-28: 28px;
    --spacing-40: 40px;
    --spacing-48: 48px;
    --spacing-64: 64px;
    --spacing-68: 68px;
    --spacing-152: 152px;
  
    /* Layout */
    --page-max-width: 1440px;
    --section-gap: 80-120px;
    --card-padding: 32-40px;
    --element-gap: 14-24px;
  
    /* Border Radius */
    --radius-lg: 10px;
    --radius-full: 75.024px;
  
    /* Named Radii */
    --radius-cards: 0px;
    --radius-badges: 75px;
    --radius-inputs: 0px;
    --radius-buttons: 75px;
  
    /* Surfaces */
    --surface-paper-white: #ffffff;
    --surface-smoke: #9a9a9a;
    --surface-pewter: #808080;
    --surface-graphite: #636363;
    --surface-carbon: #181818;
    --surface-ink-black: #000000;
  }