:root {
    --size-sm: 8px;
    --size-md: 12px;
    --size-base: 14px;
    --size-lg: 16px;

    --grid-items-per-row: 3;
    --grid-item-max-width: 700px;
    --grid-content-max-width: calc(var(--grid-items-per-row) * (var(--grid-item-max-width) + var(--size-lg)) - var(--size-lg));
}

.stream__posts {
    gap: var(--size-lg);
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    max-width: calc(var(--grid-content-max-width) + var(--size-lg) + var(--size-lg) * 2);
}

@media (min-width: 720px) {
    .stream__posts {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1366px) {
    .stream__posts {
        grid-template-columns: repeat(3, 1fr);
    }
}

.post-card {
    display: flex;
    height: 100%;
    flex-direction: column;
    position: relative;
    --item-row-usable-width: calc(100% - var(--size-lg) * 2);
    width: calc(var(--item-row-usable-width) / var(--grid-items-per-row) - var(--size-lg) - .01px);
}

.post-card__background {
    position: absolute;
    margin: -12px;
    inset: 0;
    pointer-events: none;
    background: rgba(187, 210, 232, 0.13);
    border-radius: var(--size-lg);
    opacity: 0;
    transform: scale(.9);
    transition: opacity .3s cubic-bezier(.05, 0, 0, 1), transform .3s cubic-bezier(.05, 0, 0, 1);
    will-change: opacity, transform;
}

.post-card:hover .post-card__background {
    opacity: 1;
    transform: scale(1);
}

.post-card__link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.post-card__img-wrapper {
    position: relative;
    width: 100%;
    height: 225px;
    overflow: hidden;
    border-radius: var(--size-md);
    background-color: #cbd8e3;
}

.post-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0;
    transition: opacity .3s ease;
    border-radius: var(--size-md);
}

.post-card__image.loaded {
    opacity: 1;
}

.post-card__category {
    position: absolute;
    top: var(--size-md);
    right: 0;
    padding: 2px 7px 2px 12px;
    background-color: rgba(0,0,0,0.6);
    color: #fff;
    font-size: var(--size-md);
    line-height: 18px;
    text-transform: lowercase;
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
}

.post-card__body {
    display: flex;
    flex-direction: column;
    margin: var(--size-md) var(--size-md) 0 var(--size-md);
    color: #356184;
}

.post-card__title {
    font-size: var(--size-lg);
    line-height: 22px;
}

.post-card__text {
    font-size: var(--size-base);
    line-height: 20px;
    color: #8499ab;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card__date {
    font-size: var(--size-md);
    line-height: 18px;
    margin-top: 2px;
    color: #a5b4c2;
}