.calc-imt__card,
.calc-imt__result{
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 3px 20px 0 rgba(0, 0, 0, .13);
    border: 1px solid #ccc;
    padding: 2.5rem 2rem;
    max-width: 600px;
    margin-bottom: 20px;
}
.calc-imt__card:not(.is-active),
.calc-imt__result:not(.is-active){
    display: none;
}
.calc-imt__header{
    margin-bottom: 20px;
}
.calc-imt__header__title{
    margin-bottom: 10px;
    font-size: 30px;
}
.calc-imt__error:has(*){
    color: red;
    margin-bottom: 20px;
}

.calc-imt__input{
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid #ccc;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    color: #333;
    transition: border-color 180ms ease, background 180ms ease;
    appearance: none;
    -webkit-appearance: none;
}
.calc-imt__grid{
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 15px;
    margin-bottom: 15px;
}
.calc-imt__result__card{
    display: flex;
    justify-content: space-between;
    gap:10px;
}
.calc-imt__note{
    font-size: 12px;
    margin-bottom: 15px;
}
.calc-imt__btn{
    display: inline-flex;
    border: none;
    justify-content: center;
    text-align: center;
    font-weight: 600;
    font-size: 16px;
    line-height: 150%;
    width: 100%;
    border-radius: 999px;
    padding: 16px 24px;
    background: rgb(0, 176, 233);
    color: #fff;
    cursor: pointer;
}

@media (min-width: 992px) {
    .calc-imt__grid{
        grid-template-columns: repeat(2, 1fr);
    }
}