My finger picking style was called "The Joan Baez Style" by my first teacher some 30 years ago. Basically it is a three finger (Thumb, index, middle) style where any four adjacent strings are played by picking 1(T)-3(I)-2(T)-4(M). This pattern was easily varied by alternating the first string played, usually with more bassy strings.
Two string pinches are another nice variation.

It is also nice because you can easily slide back and forth to other patterns or basic strums. These are simple and clean moves for some one who is primarily a singer.

Don