Examples of websites using
Neue Haas Unica
('Neue Haas Unica' is a Sans Serif font designed by Toshi Omagari and released by Linotype in 2014. This font family consists of multiple styles, including regular, light, bold, and italic variants)
with
Montserrat
(Montserrat is a sans-serif font designed by Julieta Ulanovsky, Sol Matas, Juan Pablo del Peral, and Jacques Le Bailly. It offers a total of 36 styles, including various weights and matching italics)