Gotham with Open Sans in action on vidyard.com

Under the hood

.header-1 { font-family: "Gotham SSm A", "Gotham SSm B", "Whitney SSm A", "Whitney SSm B", Whitney, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 64px; font-style: normal; font-weight: bold; letter-spacing: -2px; line-height: 70px; text-transform: none; color: #313132; }
.content-1 { font-family: "Open Sans", sans-serif; font-size: 17px; font-style: normal; font-weight: normal; letter-spacing: normal; line-height: 24px; text-transform: none; color: #2C343B; }
.content-2 { font-family: "Open Sans", sans-serif; font-size: 10px; font-style: normal; font-weight: bold; letter-spacing: 1px; line-height: 14px; text-transform: uppercase; color: #FFFFFF; }

Gotham is available from Adobe Fonts.