.category-grid,
.section-grid,
.article-grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: 1fr;
}

.category-card,
.section-card,
.article-card {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    color: var(--color-text);
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.category-card:hover,
.section-card:hover,
.article-card:hover {
    color: var(--color-text);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.category-card__icon,
.section-card__icon,
.article-card__icon {
    display: inline-flex;
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    background: var(--color-background-soft);
    border-radius: 16px;
    font-size: 20px;
}

.category-card__title,
.section-card__title,
.article-card__title {
    margin-bottom: var(--space-xs);
    font-size: 20px;
    line-height: 1.35;
}

.category-card__summary,
.section-card__summary,
.article-card__summary {
    margin-bottom: 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.article-card__title a {
    color: var(--color-text);
}

.article-card--featured-image {
    display: grid;
    overflow: hidden;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto 1fr;
    align-content: start;
    gap: 0;
    padding: 0;
}

.article-card--featured-image > .article-card__title {
    width: 100%;
    padding: var(--space-lg) var(--space-lg) 0;
    margin: 0;
}

.article-card--featured-image > .article-card__summary {
    width: 100%;
    padding: 0 var(--space-lg) var(--space-lg);
    margin: 0;
}

.article-card__media {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--color-background-soft);
}

.article-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-card__image-placeholder {
    position: relative;
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: #ffffff;
    background:
        radial-gradient(circle at 20% 22%, rgba(255, 255, 255, 0.34) 0 5%, transparent 5.5%),
        radial-gradient(circle at 82% 30%, rgba(255, 255, 255, 0.22) 0 8%, transparent 8.5%),
        linear-gradient(135deg, #69b8ff 0%, #6f73ed 55%, #a676e8 100%);
    font-size: 48px;
}

.article-card__image-placeholder::before,
.article-card__image-placeholder::after {
    content: "";
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

.article-card__image-placeholder::before {
    width: 56%;
    aspect-ratio: 1;
}

.article-card__image-placeholder::after {
    width: 76%;
    aspect-ratio: 1;
}

.article-card__image-placeholder i {
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 4px 10px rgba(27, 35, 105, 0.25));
}

.article-card--featured-image:hover .article-card__image {
    transform: scale(1.03);
}

@media (min-width: 640px) {
    .category-grid,
    .section-grid,
    .article-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1080px) {
    .category-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }

    .section-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .article-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}