.site-footer {
    background-color: var(--cor-fundo-principal); 
    color: var(--cor-texto-secundario); 
    padding: 6rem 5vw 2rem 5vw; 
    border-top: 1px solid var(--cor-borda-sutil); 
    position: relative;
    z-index: 10; 
}

.footer-content-wrapper {
    max-width: 1400px; 
    margin: 0 auto; 
}

.footer-main {
    display: flex;
    justify-content: space-between;
    gap: 2rem; 
    margin-bottom: 4rem; 
}

.footer-column {
    flex: 1; 
    min-width: 200px; 
}

.footer-column h4 {
    font-family: var(--fonte-sans, sans-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--cor-texto-principal);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1.5rem;
}

.footer-column p {
    margin: 0;
    font-family: var(--fonte-serif, serif);
    font-size: 1.5rem;
    color: var(--cor-texto-principal); 
    line-height: 1.4;
}

.footer-column .project-subtitle {
    font-family: var(--fonte-sans, sans-serif);
    font-size: 1rem;
    color: var(--cor-texto-secundario); 
    margin-top: 0.5rem;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--cor-borda-sutil); 
    padding-top: 2rem;
    font-family: var(--fonte-sans, sans-serif);
    font-size: 0.9rem;
    color: var(--cor-texto-terciario); 
}