Surface container for editorial / membership content. Optional cover image, gold eyebrow, serif title.

```jsx
<Card tone="light" image="recepcao.jpg" eyebrow="Experiência" title="Lounge social" interactive>
  Um espaço para a pausa intencional entre treinos.
</Card>
<Card tone="dark" eyebrow="The One" title="Acesso ilimitado">Conteúdo…</Card>
```

Tones: `light` / `sand` / `dark`. Props: `image`, `imageAlt`, `eyebrow`, `title`, `interactive`, `onClick`.
