# AFI typography

**Primary typeface: Public Sans** (SIL Open Font License) — https://public-sans.digital.gov · Google Fonts: https://fonts.google.com/specimen/Public+Sans

Weights used: 400 Regular · 500 Medium · 600 Semibold · 700 Bold. Letter-spacing on display sizes: −0.02em to −0.04em. Tabular, lining numerals everywhere numbers appear (`font-variant-numeric: tabular-nums lining-nums`).

| Role | Size / line | Weight | Tracking |
|---|---|---|---|
| Display (hero) | 56–72px / 1.02 | 600 | −0.04em |
| H1 | 40–48px / 1.08 | 600 | −0.03em |
| H2 | 28–36px / 1.15 | 600 | −0.02em |
| H3 | 20–24px / 1.25 | 600 | −0.01em |
| Body | 16–17px / 1.55 | 400 | 0 |
| Small | 13–14px / 1.5 | 400–500 | 0 |
| Kicker / label | 11–12px / 1 | 600 | +0.06 to +0.10em, uppercase |
| Data (tables, KPIs) | 13–15px / 1.4 | 600 | tabular numerals |

Monospace for hashes and addresses: ui-monospace, SF Mono, Menlo — 12–13px.

Web embed:
```html
<link rel="preconnect" href="https://fonts.googleapis.com">
<link href="https://fonts.googleapis.com/css2?family=Public+Sans:wght@400;500;600;700&display=swap" rel="stylesheet">
```
```css
body{font-family:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif}
.num{font-variant-numeric:tabular-nums lining-nums}
```
Fallback stack for documents and decks: Inter, Helvetica Neue, Arial.