**Button** — the primary action element. Pill radius, Sora SemiBold, dynamic press (scale .975).

```jsx
<Button variant="accent" size="lg" iconRight={<Icon name="arrow-right" size={20}/>}>Fale com a gente</Button>
<Button variant="secondary">Saiba mais</Button>
```

Variants: `primary` (dark blue), `accent` (cyan CTA), `secondary` (outline), `ghost`, `inverse` (white, for dark backgrounds). Sizes `sm|md|lg`. Supports `iconLeft`/`iconRight`, `fullWidth`, `disabled`.
