/* ==========================================================================
   DUOMI CNC - Unified Article / Blog / News Detail Stylesheet (article.css)
   Reused across Company News, Technical Articles, Knowledge Base & Insights
   ========================================================================== */

/* ── 1. Article Page Layout ── */
.article-page {
    background-color: #FFFFFF;
    min-height: 80vh;
}

/* ── 2. Article Header Section ── */
.article-header-section {
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    border-bottom: 1px solid var(--dm-gray-200);
    padding: var(--spacing-8) 0 var(--spacing-6);
}

.article-header-inner {
    max-width: 860px;
    margin: 0 auto;
}

.article-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--dm-primary-light);
    color: var(--dm-primary);
    font-size: var(--text-xs);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(230, 0, 0, 0.15);
    margin-bottom: var(--spacing-4);
}

.article-title {
    font-size: clamp(1.8rem, 3.6vw, 2.6rem);
    font-weight: 900;
    color: var(--dm-black);
    line-height: 1.25;
    margin-bottom: var(--spacing-5);
    letter-spacing: -0.02em;
}

.article-meta-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-5);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--dm-gray-200);
    color: var(--dm-gray-600);
    font-size: 13.5px;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.meta-item svg {
    color: var(--dm-gray-500);
}

/* ── 3. Article Body Section ── */
.article-body-section {
    padding: var(--spacing-8) 0 var(--spacing-10);
    background-color: #FFFFFF;
}

.article-content-wrapper {
    max-width: 860px;
    margin: 0 auto;
}

/* Rich Text & Imported HTML Content */
.rich-text-body {
    font-size: 16px;
    line-height: 1.8;
    color: #334155;
    word-break: break-word;
}

.rich-text-body p {
    margin-bottom: 1.5em;
}

.rich-text-body h2 {
    font-size: clamp(1.4rem, 2.5vw, 1.8rem);
    font-weight: 800;
    color: var(--dm-black);
    margin: 2em 0 0.8em 0;
    line-height: 1.3;
    padding-left: 12px;
    border-left: 4px solid var(--dm-primary);
}

.rich-text-body h3 {
    font-size: clamp(1.2rem, 2vw, 1.45rem);
    font-weight: 700;
    color: var(--dm-black);
    margin: 1.6em 0 0.6em 0;
    line-height: 1.35;
}

.rich-text-body h4, .rich-text-body h5, .rich-text-body h6 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dm-black);
    margin: 1.4em 0 0.5em 0;
}

.rich-text-body ul, .rich-text-body ol {
    padding-left: 1.5em;
    margin-bottom: 1.5em;
}

.rich-text-body li {
    margin-bottom: 0.5em;
}

.rich-text-body a {
    color: var(--dm-primary);
    text-decoration: underline;
    transition: color var(--transition-fast);
}

.rich-text-body a:hover {
    color: var(--dm-primary-hover);
}

.rich-text-body img {
    max-width: 100% !important;
    height: auto !important;
    border-radius: var(--radius-sm);
    margin: 2em auto;
    display: block;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
}

.rich-text-body figure {
    margin: 2em 0;
    text-align: center;
}

.rich-text-body figure img {
    margin-bottom: 8px;
}

.rich-text-body figcaption {
    font-size: 13px;
    color: var(--dm-gray-500);
    font-style: italic;
}

.rich-text-body blockquote {
    margin: 2em 0;
    padding: 16px 20px;
    background-color: #F8FAFC;
    border-left: 4px solid var(--dm-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: #475569;
    font-style: italic;
}

.rich-text-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 2em 0;
    font-size: 14.5px;
}

.rich-text-body th, .rich-text-body td {
    padding: 10px 14px;
    border: 1px solid var(--dm-gray-200);
    text-align: left;
}

.rich-text-body th {
    background-color: #F1F5F9;
    font-weight: 700;
    color: var(--dm-black);
}

/* ── 4. Conversion CTA Box ── */
.article-cta-box {
    margin-top: var(--spacing-8);
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    border-radius: var(--radius-md);
    padding: var(--spacing-8);
    color: #FFFFFF;
    box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.15);
}

.cta-box-content h3 {
    font-size: clamp(1.3rem, 2.2vw, 1.6rem);
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 8px;
    line-height: 1.3;
}

.cta-box-content p {
    font-size: 14.5px;
    color: #94A3B8;
    margin-bottom: var(--spacing-5);
    line-height: 1.6;
    max-width: 680px;
}

.cta-box-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

/* ── 6. Related Products Grid ── */
.article-related-section {
    background-color: #F8FAFC;
    border-top: 1px solid var(--dm-gray-200);
}

.article-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
}

.related-prod-card {
    background: #FFFFFF;
    border: 1px solid var(--dm-gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
    text-decoration: none;
    color: var(--dm-black);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.related-prod-card:hover {
    transform: translateY(-4px);
    border-color: var(--dm-primary);
    box-shadow: var(--shadow-md);
}

.related-prod-img {
    height: 180px;
    background-color: #F1F5F9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.related-prod-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.related-prod-card:hover .related-prod-img img {
    transform: scale(1.04);
}

.related-prod-body {
    padding: var(--spacing-4);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.related-prod-body h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--dm-black);
    margin-bottom: var(--spacing-3);
    line-height: 1.4;
    transition: color var(--transition-fast);
}

.related-prod-card:hover .related-prod-body h4 {
    color: var(--dm-primary);
}

.related-prod-link {
    font-size: 13px;
    font-weight: 700;
    color: var(--dm-primary);
    margin-top: auto;
}

/* ── 7. Responsive Breakpoints ── */
@media (max-width: 991px) {
    .article-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .cta-box-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .cta-box-actions .btn {
        width: 100%;
        text-align: center;
    }
    .article-related-grid {
        grid-template-columns: 1fr;
    }
}