/* Intro */
.b-longread-81521-intro {
    position: relative;
    max-width: 100%;
    width: 1980px;
    margin: 0 auto 6.5em;
    background: url('https://static.sobaka.ru/uploads/longread/81521/intro.jpg') no-repeat;
    background-size: cover;
    overflow: hidden;
}

.b-longread-81521-intro:before {
    content: '';
    float: left;
    width: 1px;
    height: 0;
    margin: 0 0 0 -1px;
    padding: calc(946 / 1980 * 100%) 0 0;
}

.b-longread-81521-intro:after {
    content: '';
    display: table;
    clear: both;
}

.b-longread-81521-intro__title {
    position: absolute;
    top: 3%;
    left: 50%;
    width: 23%;
    height: auto;
    transform: translate(-50%, 0);
}

.b-longread-81521-intro__subtitle {
    position: absolute;
    top: 28%;
    left: 50%;
    max-width: 27.5%;
    width: 100%;
    height: auto;
    font: normal 400 1.2vw/1 'futurademicregular', sans-serif;
    text-transform: uppercase;
    text-align: center;
    transform: translate(-50%, 0);
}


@media (max-width: 640px) {
    .b-longread-81521-intro {
        width: 640px;
        margin: 0 auto 3em;
        background-image: url('https://static.sobaka.ru/uploads/longread/81521/intro-mobile.jpg');
    }

    .b-longread-81521-intro:before {
        padding: calc(602 / 640 * 100%) 0 0;
    }

    .b-longread-81521-intro__title {
        top: 5%;
        width: 60%;
    }

    .b-longread-81521-intro__subtitle {
        top: 36%;
        max-width: 85%;
        font-size: 3.75vw;
    }
}

/* Intro Text */
.b-longread-81521-intro-text {
    max-width: 100%;
    width: 820px;
    margin: 0 auto 3.75em;
    padding: 0 1.5rem;
    font: normal 400 2.4em/1.25 'futurabookcregular', sans-serif;
    text-align: center;
}

@media (max-width: 640px) {
    .b-longread-81521-intro-text br {
        display: none;
    }
}

/* Article */
.b-longread-81521-article {
    display: flex;
    padding: 6em 0;
}

.b-longread-81521-article:nth-child(odd) {
    background: #f5f5f5;
}

.b-longread-81521-article__picture,
.b-longread-81521-article__content {
    display: flex;
    align-items: flex-start;
    width: 50%;
}

.b-longread-81521-article:nth-child(odd) .b-longread-81521-article__picture,
.b-longread-81521-article:nth-child(odd) .b-longread-81521-article__content {
    margin-left: -3rem;
}

.b-longread-81521-article:nth-child(odd) .b-longread-81521-article__picture {
    justify-content: flex-end;
}

.b-longread-81521-article:nth-child(even) .b-longread-81521-article__content {
    order: -1;
    justify-content: flex-end;
}

.b-longread-81521-article__picture {
    padding: 0 5rem 0 0;
}

.b-longread-81521-article__content {
    padding: 0 3rem;
}

.b-longread-81521-article__content-inner {
    max-width: 530px;
}

.b-longread-81521-article__img {
    flex: 0 0 auto;
    display: block;
    max-width: 100%;
    height: auto;
}

.b-longread-81521-article__title-link {
    transition: all 0.3s;
}

.b-longread-81521-article__title-link:hover {
    color: #d20b37;
}

.b-longread-81521-article__title {
    margin: 0 0 0.6em;
    font: normal 400 3em/1 'futurademicregular', sans-serif;
    text-transform: uppercase;
}

.b-longread-81521-article__txt {
    font: normal 400 2em/1.2 'futurabookcregular', sans-serif;
}

@media (max-width: 992px) {
    .b-longread-81521-article {
        flex-direction: column;
    }

    .b-longread-81521-article__picture,
    .b-longread-81521-article__content {
        width: 100%;
    }

    .b-longread-81521-article:nth-child(odd) .b-longread-81521-article__picture,
    .b-longread-81521-article:nth-child(odd) .b-longread-81521-article__content {
        margin-left: 0;
    }

    .b-longread-81521-article__picture {
        order: -1;
        margin: 0 0 6em;
        padding: 0;
    }

    .b-longread-81521-article__content {
        padding: 0 1.5rem;
    }

    .b-longread-81521-article__img {
        margin: 0 auto;
    }
}