Casa Riviera by Gui Mattos & Julliana Camargo

_project: Casa Riviera
_architecture: Gui Mattos
_interior design: Julliana Camargo
_location: Riviera, São Paulo, Brazil

Architecture has always been a discipline of dialogue. Between light and shadow, weight and void, material presence and human movement. Yet one of its most vital conversations happens not on the exterior, but in the intimate territory where architecture meets interior design. When this dialogue is cohesive, interiors unlock the emotional potential of architecture, translating structure into lived experience. In contemporary practice, this synergy has become essential: a means to soften the monumental, to enrich the minimal, and to ensure that the conceptual is always anchored in the human. It is within this intersection that architecture transcends form and becomes atmosphere.

Casa Riviera, designed by Gui Mattos with interiors by Julliana Camargo, is a masterclass in this union. Located on the Brazilian coast, the residence transforms architectural clarity into a layered and deeply sensorial home. Gui’s architectural language, defined by sweeping concrete curves, generous spans, and fluid transparency, creates a sculptural foundation that invites light, breeze, and movement. Rather than competing with these gestures, Julliana’s interior design amplifies them. Her approach introduces a vibrant palette, natural textures, and expressive pieces that soften the structure’s precision, giving the house its warmth and personality.

The home’s social areas demonstrate this synergy especially well. Gui opens the spaces with wide, porous volumes that dissolve the boundary between interior and landscape. Julliana responds by inserting organic furnishings, tactile fabrics, and subtle color accents that both ground the scale and energize the room. The architecture provides rhythm; the interiors provide melody. Together, they compose a living environment that embraces gathering, rest, and sensory delight.

In private spaces, this dialogue becomes more intimate. The architecture frames light and privacy with controlled precision, while the interiors expand emotional comfort through material richness, timber, linen, soft hues, each choice reinforcing the idea of a sanctuary shaped for real life. Nothing feels imposed; instead, spaces feel naturally evolved from the meeting of two creative perspectives.

Casa Riviera it’s a home where structure and softness coexist, where technical mastery meets expressive warmth, and where collaboration leads to a richer, more human form of modern Brazilian living.

_article written by Daniela Moreira da Silva
_film by Architecture Hunter
_cover and image scroll by Fran Parente