.content-box {
    display: flex;
    flex-direction: column;
    gap: var(--content-box_gap);

}

.content-box.content-box--s {
    --content-box_gap: 1rem;
}

.content-box .title.content-box__title {
    font-size: var(--content-box_title_font-size);
    line-height: 1;
}

.content-box.content-box--s .title.content-box__title {
    --content-box_title_font-size: 1rem;
}

.content-box .title.content-box__title > .txt {
    font-size: inherit;
    line-height: 1.3;
    margin-top: -.125em;
    margin-bottom: -.125em;
}

.content-box .content-box__content {
    display: flex;
    flex-direction: column;
    gap: 1em;
}

.content-box :is(.content-box__content > *, .content-box__text) {
    font-size: calc(1rem + 1px);
}
.content-box .content-box__text {
    line-height: 1.3;
    color: var(--color-secondary);
}

.content-box .content-box__text.txt-trim-cap {
    margin-top: -.4em;
    margin-bottom: -.32em
}

.content-box .content-box__content .content-box__item {
    font: inherit;
}


.flex-row {
    --flex-row-gap: 40px;
    --flex-column-gap: var(--flex-row-gap);
    --flex-column-count: 3;
    display: flex;
    flex-direction: row !important;
    flex-wrap: wrap;
    gap: var(--flex-row-gap) var(--flex-column-gap) !important;
}

.flex-row__item {
    flex: 0 0 calc((100% - var(--flex-column-gap) * max(1, (var(--flex-column-count) - 1))) / max(1, (var(--flex-column-count))));
}


.page-content .txt-link {
    display: block;
    color: var(--brend-blue);
    line-height: 1.3;
    width: max-content;
    margin-top: -.145em;
    margin-bottom: -.155em;
}

.page-content .txt-link::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--brend-blue);
    left: 0;
    bottom: 2px;
    transform-origin: left;
    transform: scaleX(0);
    transition: transform var(--duration-m);
}

@media (hover: hover) {
    .page-content .txt-link:hover::after {
        transform: scaleX(1);
        transition: transform var(--duration-m);
    }
}

.sm-list {
    display: flex;
    flex-flow: row nowrap;
    gap: 1rem;
}

.sm-link {
    flex: 0 0 var(--sm-icon-size);
    width: var(--sm-icon-size);
    height: var(--sm-icon-size);
    border-radius: 50%;
    background-position: center;
    background-repeat: no-repeat;
    background-size: 100%;
}

.page__header .sm-link.sm-link--vk {
    background-image: url(../images/design/running/sm-vk.svg);
}

.page__header .sm-link.sm-link--tg {
    background-image: url(../images/design/running/sm-tg.svg);
}

.page-content .sm-link.sm-link--vk {
    background-image: url(../images/design/sm-vk-color.svg);
}

.page-content .sm-link.sm-link--tg {
    background-image: url(../images/design/sm-tg-color.svg);
}


.description-pair {
    display: flex;
    gap: .25em;
}

.description-pair .description-pair__term {
    font-size: inherit;
    color: var(--color-secondary);
}

.description-pair .description-pair__desc {
    font-size: inherit;
    color: inherit;
}


.page-content .form {
    gap: .5em;
    max-width: 540px;
    align-items: stretch;
}

.form .btn.form__submit {
    align-self: flex-start;
    font-size: .875rem;
}

@media screen and (max-width: 639px) {
    .form .btn.form__submit {
        font-size: .75rem;
        width: 100%;
        max-width: 100%;
    }
}

.label-wrapper {
    border: 1px solid var(--color-grey);
    border-radius: .375rem;
    padding: .625rem .75rem;
    background-color: #ffffff;

}

.label-wrapper .label-wrapper__input {
    font-size: 1rem;
    line-height: 1.5;
    height: 1.5rem;
    width: 100%;
    z-index: 2;
    background-color: transparent;
}

.label-wrapper .label-wrapper__input::placeholder {
    opacity: 0;
}

.label-wrapper .label-wrapper__label {
    position: absolute;
    top: .625rem;
    left: .75rem;
    display: flex;
    align-items: center;
    height: 1.5rem;
    font-size: .875rem;
    line-height: 1;
    transition-duration: var(--duration-m);
    text-transform: uppercase;
    color: var(--color-secondary);
    z-index: 1;
}

.label-wrapper .label-wrapper__input:required ~ .label-wrapper__label::after {
    content: '*';
}

.label-wrapper .label-wrapper__text {
    min-height: calc(4.5rem - 2px);
    resize: none;
}

.label-wrapper :is(.label-wrapper__input:not(:placeholder-shown), .label-wrapper__input:focus) ~ .label-wrapper__label {
    top: 2px;
    font-size: .5rem;
    line-height: 1;
    height: 1em;
    color: var(--color-secondary);
}

@media screen and (max-width: 639px) {
    .label-wrapper .label-wrapper__input {
        font-size: .9375rem;
    }

    .label-wrapper .label-wrapper__label {
        font-size: .75rem;
    }
}

.btn {
    height: 2.875rem;
    min-width: 6rem;
    border-radius: .375rem;
    padding: .625rem .75rem;
    background-color: var(--brend-blue);
    color: #ffffff;
    text-transform: uppercase;
    font: inherit;
    font-size: .875rem;
    color: #ffffff;
}