/* ============================================================
   ELETA Lifts & Escalators — SEO-Optimized Blog Detail Styles
   ============================================================ */

/* Reading Progress Bar */
.reading-progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: transparent;
    z-index: 99999;
}

.reading-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #BA121B 0%, #DF303A 60%, #C9A45C 100%);
    transition: width 0.1s ease-out;
}

/* Breadcrumbs Section */
.article-breadcrumbs-wrapper {
    background-color: var(--color-surface-muted, #F5F4F0);
    border-bottom: 1px solid var(--color-border, #E2E1DC);
    padding: 14px 0;
}

.article-breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.825rem;
    color: var(--color-text-muted, #5C6870);
}

.article-breadcrumbs a {
    color: var(--color-text-muted, #5C6870);
    text-decoration: none;
    transition: color 0.2s;
}

.article-breadcrumbs a:hover {
    color: var(--color-brand, #BA121B);
}

.article-breadcrumbs .sep {
    font-size: 0.75rem;
    color: #94A3B8;
}

.article-breadcrumbs .current {
    color: var(--color-text, #171A1C);
    font-weight: 600;
    max-width: 320px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Article Hero Header */
.article-header {
    padding: 48px 0 32px;
    background: #FFFFFF;
}

.article-header__meta-top {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.article-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(186, 18, 27, 0.08);
    color: var(--color-brand, #BA121B);
    border: 1px solid rgba(186, 18, 27, 0.2);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    text-decoration: none;
    transition: all 0.2s ease;
}

.article-category-badge:hover {
    background: var(--color-brand, #BA121B);
    color: #FFFFFF;
}

.article-verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.78rem;
    color: #15803D;
    background: #DCFCE7;
    padding: 4px 10px;
    border-radius: 999px;
    font-weight: 600;
}

.article-title {
    font-family: var(--font-heading, 'RoslaneDEMO', 'Manrope', sans-serif);
    font-size: clamp(2rem, 3.8vw, 3rem);
    line-height: 1.22;
    color: var(--color-dark, #07171D);
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    max-width: 950px;
}

/* Author byline strip */
.article-byline-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border, #E2E1DC);
}

.article-author-info {
    display: flex;
    align-items: center;
    gap: 14px;
}

.article-author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #07171D 0%, #19333C 100%);
    color: #C9A45C;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    border: 2px solid #C9A45C;
    flex-shrink: 0;
}

.article-author-details {
    display: flex;
    flex-direction: column;
}

.article-author-name {
    font-weight: 700;
    color: var(--color-dark, #07171D);
    font-size: 0.95rem;
}

.article-meta-line {
    font-size: 0.8rem;
    color: var(--color-text-muted, #5C6870);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.article-meta-line .dot {
    opacity: 0.5;
}

.article-share-quick {
    display: flex;
    align-items: center;
    gap: 10px;
}

.article-share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #FFFFFF;
    border: 1px solid var(--color-border, #E2E1DC);
    color: var(--color-text, #171A1C);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.article-share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

.article-share-btn--wa:hover {
    background: #25D366;
    color: #FFFFFF;
    border-color: #25D366;
}

.article-share-btn--in:hover {
    background: #0A66C2;
    color: #FFFFFF;
    border-color: #0A66C2;
}

.article-share-btn--x:hover {
    background: #000000;
    color: #FFFFFF;
    border-color: #000000;
}

.article-share-btn--copy:hover {
    background: var(--color-brand, #BA121B);
    color: #FFFFFF;
    border-color: var(--color-brand, #BA121B);
}

/* Featured Hero Image */
.article-featured-figure {
    margin: 32px 0 48px;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(135deg, #07171D 0%, #19333C 100%);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border: 1px solid var(--color-border, #E2E1DC);
}

.article-featured-img {
    width: 100%;
    height: auto;
    max-height: 520px;
    object-fit: cover;
    display: block;
}

.article-featured-placeholder {
    padding: 60px 40px;
    text-align: center;
    color: #FFFFFF;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    position: relative;
    background: radial-gradient(circle at 50% 30%, #19333C 0%, #07171D 100%);
}

.article-featured-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(45deg, transparent, transparent 15px, rgba(201, 164, 92, 0.04) 15px, rgba(201, 164, 92, 0.04) 30px);
}

/* Executive Summary / Key Takeaways Box (Google Featured Snippet Anchor) */
.article-key-takeaways {
    background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
    border-left: 5px solid var(--color-brand, #BA121B);
    border-top: 1px solid #E2E8F0;
    border-right: 1px solid #E2E8F0;
    border-bottom: 1px solid #E2E8F0;
    border-radius: 0 10px 10px 0;
    padding: 24px 28px;
    margin-bottom: 40px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.article-key-takeaways__header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--color-dark, #07171D);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.article-key-takeaways__header i {
    color: var(--color-brand, #BA121B);
    font-size: 1.1rem;
}

.article-key-takeaways__content {
    font-size: 1.05rem;
    line-height: 1.68;
    color: #334155;
}

/* Two-Column Article Layout */
.article-layout-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 56px;
    align-items: start;
    position: relative;
    padding-bottom: 60px;
}

/* Article Body Typography */
.article-body-content {
    font-family: var(--font-body, 'Inter', system-ui, sans-serif);
    font-size: 1.125rem;
    line-height: 1.82;
    color: #2D3748;
}

.article-body-content p {
    margin-bottom: 24px;
}

.article-body-content h2 {
    font-family: var(--font-heading, 'RoslaneDEMO', 'Manrope', sans-serif);
    font-size: 1.85rem;
    line-height: 1.3;
    color: var(--color-dark, #07171D);
    margin-top: 48px;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border, #E2E1DC);
    scroll-margin-top: 100px;
    position: relative;
}

.article-body-content h3 {
    font-family: var(--font-heading, 'RoslaneDEMO', 'Manrope', sans-serif);
    font-size: 1.4rem;
    line-height: 1.35;
    color: var(--color-dark, #07171D);
    margin-top: 36px;
    margin-bottom: 14px;
    scroll-margin-top: 100px;
}

.article-body-content h4 {
    font-size: 1.15rem;
    color: var(--color-dark, #07171D);
    margin-top: 28px;
    margin-bottom: 12px;
}

.article-body-content ul,
.article-body-content ol {
    margin: 20px 0 28px;
    padding-left: 28px;
}

.article-body-content li {
    margin-bottom: 10px;
    line-height: 1.7;
}

.article-body-content li::marker {
    color: var(--color-brand, #BA121B);
}

.article-body-content blockquote {
    border-left: 4px solid var(--color-brand, #BA121B);
    padding: 16px 24px;
    margin: 32px 0;
    background: var(--color-surface-muted, #F5F4F0);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: #4A5568;
    font-size: 1.1rem;
}

.article-body-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 28px 0;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    border: 1px solid var(--color-border, #E2E1DC);
}

.article-body-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    font-size: 0.95rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #E2E8F0;
}

.article-body-content table th {
    background: #07171D;
    color: #FFFFFF;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
}

.article-body-content table td {
    padding: 12px 16px;
    border-bottom: 1px solid #E2E8F0;
    color: #374151;
}

.article-body-content table tr:nth-child(even) td {
    background: #F8FAFC;
}

.article-body-content a {
    color: var(--color-brand, #BA121B);
    text-decoration: underline;
    font-weight: 500;
    text-underline-offset: 3px;
    transition: color 0.15s;
}

.article-body-content a:hover {
    color: #970E16;
}

/* In-Article Engineering CTA Box */
.in-article-cta-box {
    background: linear-gradient(135deg, #07171D 0%, #19333C 100%);
    border-radius: 12px;
    padding: 32px;
    margin: 48px 0;
    color: #FFFFFF;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(201, 164, 92, 0.3);
}

.in-article-cta-box::after {
    content: '';
    position: absolute;
    right: -20px;
    bottom: -20px;
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, rgba(201, 164, 92, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.in-article-cta-box h3 {
    color: #FFFFFF !important;
    font-size: 1.4rem !important;
    margin-top: 0 !important;
    margin-bottom: 8px !important;
}

.in-article-cta-box p {
    color: #CBD5E1;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.in-article-cta-box .cta-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
}

/* Author Bio Box at end of article */
.article-author-bio-card {
    background: var(--color-surface-muted, #F5F4F0);
    border: 1px solid var(--color-border, #E2E1DC);
    border-radius: 12px;
    padding: 28px;
    margin-top: 48px;
    display: flex;
    gap: 22px;
    align-items: flex-start;
}

.article-author-bio-card__avatar {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: #07171D;
    color: #C9A45C;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 800;
    flex-shrink: 0;
    border: 2px solid #C9A45C;
}

.article-author-bio-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-dark, #07171D);
    margin-bottom: 4px;
}

.article-author-bio-card__role {
    font-size: 0.825rem;
    color: var(--color-brand, #BA121B);
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.article-author-bio-card__bio {
    font-size: 0.925rem;
    color: #4A5568;
    line-height: 1.6;
}

/* Article Share Bottom Bar */
.article-bottom-share {
    border-top: 1px solid var(--color-border, #E2E1DC);
    border-bottom: 1px solid var(--color-border, #E2E1DC);
    padding: 20px 0;
    margin-top: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

/* Prev / Next Article Nav */
.article-nav-prev-next {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 40px;
}

.article-nav-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border, #E2E1DC);
    border-radius: 8px;
    padding: 18px 22px;
    text-decoration: none;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
}

.article-nav-card:hover {
    border-color: var(--color-brand, #BA121B);
    box-shadow: 0 4px 14px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}

.article-nav-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-brand, #BA121B);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-nav-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-dark, #07171D);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Sidebar Components */
.article-sidebar {
    position: sticky;
    top: 90px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Table of Contents Card */
.toc-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border, #E2E1DC);
    border-radius: 10px;
    padding: 22px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.toc-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border, #E2E1DC);
    margin-bottom: 14px;
}

.toc-card__title {
    font-size: 0.9rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-dark, #07171D);
    display: flex;
    align-items: center;
    gap: 8px;
}

.toc-card__title i {
    color: var(--color-brand, #BA121B);
}

.toc-card__list {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 380px;
    overflow-y: auto;
}

.toc-card__item {
    margin-bottom: 8px;
}

.toc-card__item--h3 {
    padding-left: 16px;
    font-size: 0.825rem;
}

.toc-card__link {
    display: block;
    font-size: 0.865rem;
    color: #4A5568;
    text-decoration: none;
    line-height: 1.45;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.15s ease;
    border-left: 2px solid transparent;
}

.toc-card__link:hover {
    color: var(--color-brand, #BA121B);
    background: rgba(186, 18, 27, 0.04);
}

.toc-card__link.active {
    color: var(--color-brand, #BA121B);
    font-weight: 700;
    border-left-color: var(--color-brand, #BA121B);
    background: rgba(186, 18, 27, 0.05);
}

/* Sidebar Consultation Box */
.sidebar-consult-card {
    background: linear-gradient(145deg, #07171D 0%, #102A33 100%);
    border: 1px solid rgba(201, 164, 92, 0.25);
    border-radius: 10px;
    padding: 24px;
    color: #FFFFFF;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.sidebar-consult-card__badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #C9A45C;
    margin-bottom: 8px;
}

.sidebar-consult-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.35;
    color: #FFFFFF;
}

.sidebar-consult-card__text {
    font-size: 0.85rem;
    color: #94A3B8;
    line-height: 1.55;
    margin-bottom: 18px;
}

.sidebar-consult-card__phone {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    font-size: 0.85rem;
    color: #E2E8F0;
    text-decoration: none;
}

.sidebar-consult-card__phone:hover {
    color: #C9A45C;
}

/* Sidebar Related List */
.sidebar-recent-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border, #E2E1DC);
    border-radius: 10px;
    padding: 22px;
}

.sidebar-recent-card__title {
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-dark, #07171D);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border, #E2E1DC);
}

.sidebar-recent-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.sidebar-recent-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    text-decoration: none;
}

.sidebar-recent-item:hover .sidebar-recent-item__title {
    color: var(--color-brand, #BA121B);
}

.sidebar-recent-thumb {
    width: 60px;
    height: 48px;
    border-radius: 4px;
    object-fit: cover;
    flex-shrink: 0;
    background: #07171D;
    border: 1px solid #E2E8F0;
}

.sidebar-recent-item__title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-dark, #07171D);
    line-height: 1.35;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.15s;
}

.sidebar-recent-item__date {
    font-size: 0.725rem;
    color: #64748B;
}

/* Toast Notification for Link Copy */
.copy-toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #07171D;
    color: #FFFFFF;
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.18);
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999999;
    border-left: 4px solid #16A34A;
}

.copy-toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .article-layout-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .article-sidebar {
        position: static;
        margin-top: 30px;
    }
    .article-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 640px) {
    .article-title {
        font-size: 1.75rem;
    }
    .article-nav-prev-next {
        grid-template-columns: 1fr;
    }
    .article-byline-bar {
        flex-direction: column;
        align-items: flex-start;
    }
    .article-author-bio-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}