.calculation {
    position: relative;
    background-color: #1B63BB;
    background-image: url('./images/calc-grid.svg');
    background-repeat: repeat;
    background-size: 52px 52px;
    padding: 80px 0;
    overflow: hidden;
    z-index: 1;
}

.calculation__watermark {
    display: flex;
    position: absolute;
    right: -50px;
    bottom: -60px;
    z-index: -1;
    pointer-events: none;
    user-select: none;
    font-size: 320px;
    font-weight: 800;
    line-height: 1;
    color: #FFFFFF;
    opacity: 1;
    font-family: 'Montserrat', sans-serif;
}

.calculation__letter {
    margin-left: -63px;
    opacity: 0.08;
}

.calculation__letter:first-child {
    margin-left: 0;
}

.calculation__content {
    text-align: center;
    color: #FFFFFF;
    position: relative;
    z-index: 2;
    margin: 0 auto;
    transition: opacity 0.5s ease-in, top 0.5s ease;
}

.calculation__title.h2_header {
    color: #FFFFFF;
    margin-bottom: 20px;
}

.calculation__text {
    color: #FFFFFF;
    font-family: 'Roboto', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    max-width: 570px;
    margin: 0 auto 40px;
}

.calculation__btn-wrap {
    display: flex;
    justify-content: center;
}

.button.calculation__btn {
    background-color: #FFFFFF;
    color: #0071B8;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 16px;
    line-height: 16px;
    padding: 20px 30px;
    border-radius: 5px;
    border: 1px solid #FFFFFF;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.button.calculation__btn:hover {
    background-color: #f0f0f0;
    color: #005084;
    border-color: #f0f0f0;
}

@media screen and (max-width: 1200px) {
    .calculation__watermark {
        font-size: 240px;
        right: -20px;
    }
}

@media screen and (max-width: 768px) {
    .calculation {
        padding: 60px 0;
    }
    .calculation__watermark {
        display: none;
    }
    .button.calculation__btn {
        width: 100%;
        max-width: 340px;
    }
}

.calculation:not(._animated) {
    .calculation__content {
        opacity: 0;
        scale: 0.8;
    }
}