The mimosa arrives first. Chilled, sparkling, and golden in the soft evening light. Around you, the gentle buzz of early evening life drifts in through open windows. You’re seated just off Plaça sa Drassana, one of Palma’s most beautiful historic squares, watching the sun settle over La Lonja. Here, tucked inside a stately old Mallorcan mansion, you’ll find Mouna. The stylish restaurant has been quietly redefining vegetarian and vegan dining in Palma. For over two years now, chef Marc Galeazzi…