Questions & Answers about Så vidt jeg kan se, er overgangstiden kort.
Here, så vidt is part of the fixed expression så vidt jeg kan se, which means as far as I can see or as far as I can tell. It introduces the speaker’s judgment in a cautious, non-absolute way.
It is best to learn så vidt jeg kan se as a whole chunk, rather than trying to translate each word separately.
No. Så vidt can also mean barely or just in other contexts.
For example: Jeg rakk så vidt bussen = I just barely caught the bus.
So the meaning depends on the structure around it. In så vidt jeg kan se, it has the as far as I can see meaning.
Because jeg kan se is part of the introductory expression så vidt jeg kan se, which behaves like an embedded or subordinate-style clause. In that kind of clause, Norwegian normally keeps subject + verb order:
jeg kan se
The inversion happens in the main clause after the comma: er overgangstiden kort
So the sentence is divided like this:
Så vidt jeg kan se = introductory clause
er overgangstiden kort = main clause