FF Tisa with Proxima Nova in action on tectonica.co

• .header-1 { font-family: proxima-nova; font-size: 40px; font-style: normal; font-weight: 300; letter-spacing: 0px; line-height: 50px; text-transform: none; color: #505054; }
• .content-1 { font-family: ff-tisa-web-pro; font-size: 16px; font-style: normal; font-weight: normal; letter-spacing: 0px; line-height: 26px; text-transform: none; color: #505054; }

FF Tisa is available from Fonts.com, MyFonts and Typekit.

Proxima Nova is available from Fonts.com, Fontspring, MyFonts, Typekit and YouWorkForThem.