.button-cart {
    position: fixed;
    width: 50px;
    height: 50px;
    bottom: 20px;
    right: 20px;
    background-color: #f3f3f3c8;
    color: #121212;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 1px 1px 2px #888;
}
.button-cart:hover {
    background-color: #ffffff;
    transition: 0.5s;
}

main{
    width: 90vw;
    margin: 40px auto;
    
}

/* Estilo dos cards com logo */
.brand-btn {
    background: linear-gradient(145deg, #f5f5f5, #eeeeee);
    border: none;
    /* color: #6b6b6b; */
    transition: transform 0.18s ease, box-shadow 0.18s ease, color 0.18s ease;
    border-radius: 10px;
    box-shadow: 5px 5px 10px #d1d1d1, -5px -5px 10px #ffffff;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    width: 100%;
    justify-content: flex-start;
    text-transform: uppercase;
    font-weight: 600;
    cursor: pointer;
    justify-content: center;
}

/* Efeito hover solicitado */
.brand-btn:hover {
    transform: translateY(-4px);
    box-shadow: 8px 8px 18px rgba(204,228,255,0.7), -8px -8px 18px rgba(240,248,255,0.9);
    /* color: #004aa3; */
}

/* Efeito ao pressionar */
.brand-btn:active {
    transform: translateY(0);
    box-shadow: 4px 4px 8px rgba(204,228,255,0.6), -4px -4px 8px rgba(240,248,255,0.9);
}

/* Foco acessível */
.brand-btn:focus-visible {
    outline: 3px solid rgba(0,102,204,0.15);
    outline-offset: 3px;
}

.brand-btn img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    filter: none;
    transition: transform 0.18s ease;
}

/* pequeno efeito na imagem junto com o hover do botão */
.brand-btn:hover img {
    transform: scale(1.05);
}

.brand-col {
    display: flex;
}

.brand-link {
    width: 100%;
    text-decoration: none;
}