Learn Hardcore Portuguese (Brazil): Mesmo que o trabalho remoto seja confortável, eu prefiro reuniões presenciais às vezes. - Even if remote work is comfortable, I prefer in-person meetings sometimes.

Breakdown of Mesmo que o trabalho remoto seja confortável, eu prefiro reuniões presenciais às vezes.

Why does the sentence use mesmo que?

Mesmo que means even though, even if, or although, depending on context.

In this sentence, it introduces a concession: one fact is true, but the speaker still prefers something else.

A very important grammar point: mesmo que normally triggers the subjunctive in Portuguese, which is why you get seja instead of é.

Why is it seja and not é?

Because after mesmo que, Portuguese usually uses the subjunctive mood.

Here:

So:

The subjunctive is used because mesmo que introduces an idea that is being presented as a concession, not just a plain statement.

A learner-friendly way to think of it:

é = straightforward fact statement
seja = grammar required after expressions like mesmo que, embora, ainda que, etc.