/* Footer fixo no rodapé */
.rodape {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px; /* mesma altura usada no calc() */
    background-color: rgba(0,0,0,0.5);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
}