.article {
    margin-bottom: 2rem;
}

.article img {
    width: 100%;
    border-top-left-radius: var(--Border-radius-l);
    border-top-right-radius: var(--Border-radius-l);
}

.article--content {
    position: relative;
    z-index: 2;
    padding: 1rem;
    margin: -2.5rem 1rem 0;
    border-radius: var(--Border-radius-l);
    box-shadow: var(--text-container-shadow);
    background-color: var(--bg-white);
}

.article--title {
    color: var(--text-red);
    font-size: 1rem; /* 16px */
    line-height: 1.5em; /* 24px | 105% */
    font-weight: 700;
}

.article--summary {
    color: var(--text-blue);
    font-size: 1rem; /* 16px */
    line-height: 1.5em; /* 24px | 105% */
    font-weight: 400;
}

@media screen and (min-width: 48rem) { /* 768px */

    .article {
        width: calc(var(--width) - var(--gap) * 3 / 4);
        --gap: 1.5rem;
        margin-bottom: 5rem;
    }
    .article:nth-of-type(4n - 3) {
        margin-right: calc(var(--gap) * 3 / 4);
    }

    .article:nth-of-type(4n - 2) {
        margin-left: calc(var(--gap) / 4);
        margin-right: calc(var(--gap) / 2);
    }

    .article:nth-of-type(4n - 1) {
        margin-left: calc(var(--gap) / 2);
        margin-right: calc(var(--gap) / 4);
    }

    .article:nth-of-type(4n) {
        margin-left: calc(var(--gap) * 3 / 4);
    }

    .article.col-lg-4:nth-of-type(3n - 2) {
        margin-left: 0;
        margin-right: calc(var(--gap) * 2 / 3);
        margin-bottom: 5rem;
    }

    .article.col-lg-4:nth-of-type(3n - 1) {
        margin-left: calc(var(--gap) / 3);
        margin-right: calc(var(--gap) / 3);
        margin-bottom: 5rem;
    }

    .article.col-lg-4:nth-of-type(3n) {
        margin-left: calc(var(--gap) * 2 / 3);
        margin-right: 0;
        margin-bottom: 5rem;
    }

    .article--content {
        transition: all var(--transition-time);
    }

    .article:hover .article--content {
        margin-top: -3.5rem;
        margin-bottom: 1rem;
    }
}