.calc-pro {
    max-width: 600px;
    margin: auto;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0,0,0,.1);
    font-family: "Roboto", Sans-serif;
font-weight: 400;
}

.pared {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 10px;
}

.calc-pro input, 
.calc-pro select {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #ddd;
}

.calc-pro button {
    margin-top: 10px;
    padding: 12px;
    width: 100%;
    background: black;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.btn-wsp {
    display: block;
    margin-top: 10px;
    padding: 10px;
    background: #25D366;
    color: white;
    text-align: center;
    border-radius: 8px;
    text-decoration: none;
}
.resultado{
padding-top: 12px;
}