.ddu-ib-hero {
    padding-top: 42px;
}

.ddu-ib-hero__inner {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 48px;
    align-items: center;
    overflow: hidden;
    padding: 56px;
    border-radius: 28px;
    border: 1px solid var(--lightblue, #D6E5F3);
    background: var(--sn-color-bg, #F8FAFF);
}

.ddu-ib-hero__content {
    position: relative;
    z-index: 1;
    max-width: 850px;
}

.ddu-ib-hero__eyebrow {
    margin-bottom: 18px;
    color: var(--sn-color-primary, #117BB8);
    font-size: 16px;
    font-weight: 600;
}

.ddu-ib-hero__title {
    margin: 0 0 20px;
    font-size: clamp(36px, 4vw, 62px);
    line-height: 1.04;
}

.ddu-ib-hero__text {
    max-width: 720px;
    margin: 0 0 30px;
    font-size: 19px;
    line-height: 1.55;
}

.ddu-ib-hero__button {
    display: inline-flex;
}

.ddu-ib-hero__mark {
    display: grid;
    width: 190px;
    height: 190px;
    place-items: center;
    border-radius: 50%;
    background: var(--white, #FFFFFF);
    color: var(--blue, #19418B);
    font-size: 100px;
    font-weight: 700;
    line-height: 1;
}

.ddu-calculator .section__header,
.ddu-ib-info__head {
    margin-bottom: 26px;
}

.ddu-ib-section-label {
    margin-bottom: 8px;
    color: var(--sn-color-primary, #117BB8);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.ddu-calculator__box {
    padding: 32px;
    border: 1px solid var(--lightblue, #D6E5F3);
    border-radius: 24px;
    background: var(--white, #FFFFFF);
    box-shadow: 0 16px 50px rgba(25, 65, 139, .08);
}

#calcus-container .calc-submit,
#calcus-container .calc-footer-btn {
    background-color: var(--blue, #19418B) !important;
}

#calcus-container .calc-checkbox + label::after {
    border-color: var(--blue, #19418B) !important;
}

#calcus-container .calc-radio + label::after {
    background-color: var(--blue, #19418B) !important;
}

.ddu-ib-contact__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 410px;
    gap: 50px;
    align-items: stretch;
    padding: 30px;
    border: 1px solid var(--color-eaebf5, #EAEBF5);
    border-radius: 20px;
    background: var(--sn-color-primary, #117BB8);
    color: var(--white, #FFFFFF);
}

.ddu-ib-contact__inner .ddu-ib-section-label {
    color: var(--sn-color-accent, #F69451);
}

.ddu-ib-contact__title {
    max-width: 720px;
    margin: 0 0 24px;
    color: inherit;
}

.ddu-ib-contact__text,
.ddu-ib-contact__text p {
    margin: 0;
    color: rgba(255, 255, 255, .82);
}

.ddu-ib-contact__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: stretch;
    color: var(--white, #FFFFFF);
}

.ddu-ib-contact__actions .ddu-ib-contact__button {
    width: 100%;
    background: var(--sn-color-accent, #F69451);
    color: var(--white, #FFFFFF);
}

.ddu-ib-contact__actions .ddu-ib-contact__button:hover,
.ddu-ib-contact__actions .ddu-ib-contact__button:focus {
    background: var(--white, #FFFFFF);
    color: var(--sn-color-accent, #F69451);
    box-shadow: none;
}

.ddu-ib-contact__messengers {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    width: 100%;
}

.ddu-ib-contact__messengers .header__contacts-soc-item {
    width: auto;
    min-width: 0;
}

.ddu-ib-info {
    background: var(--white, #FFFFFF);
}

.ddu-ib-info__inner {
    width: auto;
}

.ddu-ib-info__head {
    display: block;
    width: 100%;
    max-width: none;
    margin: 0;
}

.ddu-ib-info__head .section__title {
    max-width: 100%;
    color: var(--black, #1D1E1C);
}

.ddu-ib-info__article {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
}

.ddu-ib-info__article .formula1,
.ddu-ib-info__article .example,
.ddu-ib-info__article .calc-description {
    margin: 24px 0;
    padding: 24px;
    border-radius: 18px;
    border-left: 4px solid var(--sn-color-primary, #117BB8);
    background: var(--sn-color-bg, #F8FAFF);
}

.ddu-ib-info__article .formula1 {
    border-left-color: var(--sn-color-accent, #F69451);
    background: #FFF8F0;
    font-size: 20px;
    font-weight: 600;
    overflow-x: auto;
}

.ddu-ib-info__article h2 {
    margin-top: 48px;
    color: var(--blue, #19418B);
    font-size: 32px;
    line-height: 1.25;
}

.ddu-ib-info__article h3 {
    color: var(--color-1d2b44, #1D2B44);
}

@media (max-width: 900px) {
    .ddu-ib-hero__inner {
        grid-template-columns: 1fr;
        padding: 38px;
    }

    .ddu-ib-hero__mark {
        position: absolute;
        right: -35px;
        bottom: -45px;
        opacity: .16;
    }

    .ddu-ib-contact__inner {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .ddu-ib-contact__messengers {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .ddu-ib-hero {
        padding-top: 20px;
    }

    .ddu-ib-hero__inner,
    .ddu-ib-contact__inner {
        padding: 20px;
        border-radius: 18px;
    }

    .ddu-ib-contact__title,
    .ddu-ib-info__head .section__title {
        font-size: 26px;
        line-height: 31px;
    }

    .ddu-ib-info__article {
        padding: 20px 16px;
        border-radius: 16px;
    }

    .ddu-ib-info__article h2 {
        margin-top: 34px;
        font-size: 24px;
    }

    .ddu-ib-hero__title {
        font-size: 34px;
    }

    .ddu-ib-hero__text {
        font-size: 17px;
    }

    .ddu-calculator__box {
        padding: 18px 12px;
        border-radius: 16px;
    }

    .ddu-ib-info__article .formula1 {
        padding: 18px 14px;
        font-size: 16px;
        white-space: normal;
        word-break: break-word;
    }
}