:root {
  /* Colors */
  --color-apple-blue: #0071e3;
  --color-link-blue: #0066cc;
  --color-signal-blue: #2997ff;
  --color-carbon: #1d1d1f;
  --color-frost: #f5f5f7;
  --color-ice: #f4f8fb;
  --color-smoke: #333333;
  --color-graphite: #474747;
  --color-ash: #707070;
  --color-mist: #858585;
  --color-onyx: #000000;
  --color-pebble: #e2e2e5;

  /* Typography — Font Families */
  --font-sf-pro-display: 'SF Pro Display', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-sf-pro-text: 'SF Pro Text', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Typography — Scale */
  --text-caption: 12px;
  --leading-caption: 1.33;
  --tracking-caption: -0.264px;
  --text-body-sm: 14px;
  --leading-body-sm: 1.29;
  --tracking-body-sm: -0.224px;
  --text-body: 17px;
  --leading-body: 1.47;
  --tracking-body: -0.272px;
  --text-subheading: 21px;
  --leading-subheading: 1.24;
  --tracking-subheading: -0.105px;
  --text-heading-sm: 28px;
  --leading-heading-sm: 1.18;
  --tracking-heading-sm: 0.196px;
  --text-heading: 40px;
  --leading-heading: 1.14;
  --tracking-heading: 0.44px;
  --text-heading-lg: 44px;
  --leading-heading-lg: 1.18;
  --tracking-heading-lg: -0.44px;
  --text-display: 56px;
  --leading-display: 1.07;
  --tracking-display: 0.616px;

  /* Typography — Weights */
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-unit: 4px;
  --spacing-4: 4px;
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-40: 40px;
  --spacing-48: 48px;
  --spacing-56: 56px;

  /* Layout */
  --page-max-width: 1440px;
  --section-gap: 64px;
  --card-padding: 24px;
  --element-gap: 12px;

  /* Border Radius */
  --radius-lg: 8px;
  --radius-lg-2: 11px;
  --radius-full: 980px;
  --radius-full-2: 999px;

  /* Named Radii */
  --radius-tags: 980px;
  --radius-cards: 8px;
  --radius-images: 8px;
  --radius-inputs: 8px;
  --radius-buttons: 980px;

  /* Shadows */
  --shadow-xl: rgba(0, 0, 0, 0.22) 3px 5px 30px 0px;

  /* Surfaces */
  --surface-canvas: #f5f5f7;
  --surface-elevated-wash: #f4f8fb;
  --surface-pebble: #e2e2e5;
}