PS I have no idea what a Mediterranean diet is
I do not know the exact meaning of "diet" in English but it is a feeding mode and no quantity restrictions of food.
Mainly:
Avoid eating too much meat,
Eat fish,
Eat fresh vegetables,
Eat uncooked vegetables,
Eat lots of different kinds of vegetables,
do not eat fat, but season with uncooked olive oil
This is not "a diet" to lose weight but live a long live.
Bon Appétit