.article-detail-section {
    padding: var(--space-7) 0 var(--space-8);
    background:
            radial-gradient(circle at top right, rgba(234, 122, 24, 0.10), transparent 24%),
            linear-gradient(180deg, #ffffff 0%, #f7f8fb 100%);
}

.article-back-link {
    display: inline-flex;
    align-items: center;
    margin-bottom: var(--space-5);
    color: var(--color-primary);
    font-weight: 700;
}

.article-back-link:hover,
.article-back-link:focus-visible {
    text-decoration: underline;
}

.article-detail-card {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--space-6);
    align-items: start;
    padding: var(--space-6);
    border-radius: var(--radius-2xl);
    background: var(--color-surface);
    border: 1px solid rgba(230, 215, 200, 0.78);
    box-shadow: var(--color-shadow-strong);
}

.article-detail-card__image img {
    width: 100%;
    height: 100%;
    min-height: 24rem;
    object-fit: cover;
    border-radius: var(--radius-xl);
    display: block;
}

.article-detail-card__date {
    margin: var(--space-3) 0;
    color: var(--color-text-soft);
    font-weight: 600;
}

.article-detail-card h1 {
    margin-bottom: var(--space-3);
    font-size: clamp(2rem, 3vw, 3.6rem);
    line-height: 1.04;
    letter-spacing: -0.04em;
}

.article-detail-card__excerpt {
    margin-bottom: var(--space-4);
    color: var(--color-text);
    font-size: 1.12rem;
    font-weight: 600;
    line-height: 1.6;
}

.article-detail-card__body {
    display: grid;
    gap: var(--space-3);
}

.article-detail-card__body p {
    color: var(--color-text-soft);
    line-height: 1.85;
    font-size: 1.04rem;
}

.article-not-found {
    padding: var(--space-6);
    border-radius: var(--radius-2xl);
    background: var(--color-surface);
    border: 1px solid rgba(230, 215, 200, 0.78);
    box-shadow: var(--color-shadow);
}

.article-not-found h1 {
    margin-top: var(--space-2);
    margin-bottom: var(--space-4);
    font-size: clamp(2rem, 3vw, 3rem);
}

@media (max-width: 1180px) {
    .article-detail-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .article-detail-card,
    .article-not-found {
        padding: var(--space-5);
    }

    .article-detail-card__image img {
        min-height: 18rem;
    }

    .article-detail-card__excerpt,
    .article-detail-card__body p {
        font-size: 1rem;
    }
}