/* Article Detail — Premium Editorial */
:root {
    --art-primary: #0B1F3A;
    --art-secondary: #102C57;
    --art-accent: #FF6B00;
    --art-light: #F8FAFC;
    --art-gray: #475569;
    --art-muted: #64748b;
    --art-border: rgba(11, 31, 58, 0.08);
    --art-prose-width: min(860px, 100%);
    --art-radius: 1rem;
    --art-shadow: 0 24px 64px rgba(11, 31, 58, 0.1);
    --art-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

body.site-article-detail {
    --navy: var(--art-primary);
    --accent: var(--art-accent);
    background: var(--art-light);
}

.art-eyebrow {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: clamp(0.65rem, 1.5vw, 0.72rem);
    font-weight: 700;
    color: var(--art-accent);
    margin-bottom: 0.75rem;
}
.art-eyebrow--light { color: #ff8533; }

.art-section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.art-section--muted { background: #fff; }

.art-section-head {
    max-width: 640px;
    margin-bottom: clamp(2rem, 4vw, 3rem);
}
.art-section-head h2 {
    font-size: clamp(1.5rem, 3vw, 2.15rem);
    font-weight: 800;
    color: var(--art-primary);
    letter-spacing: -0.02em;
    margin-bottom: 0.65rem;
}
.art-section-head p {
    color: var(--art-gray);
    margin: 0;
    line-height: 1.7;
}

.art-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}
.art-reveal.is-visible { opacity: 1; transform: none; }

.art-link-more {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 600;
    color: var(--art-accent);
    text-decoration: none;
    font-size: 0.92rem;
}
.art-link-more:hover { color: var(--art-primary); }

.art-btn-ghost {
    border: 2px solid rgba(255,255,255,0.35) !important;
    font-weight: 600;
}
.art-btn-ghost:hover {
    background: rgba(255,255,255,0.12) !important;
    color: #fff !important;
}

/* Hero */
.art-hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: flex-end;
    background: var(--art-primary) center/cover no-repeat;
    background-image: var(--art-hero-bg);
}
.art-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11,31,58,0.55) 0%, rgba(11,31,58,0.92) 100%);
}
.art-hero__inner {
    position: relative;
    z-index: 1;
    padding: clamp(5rem, 12vw, 7rem) 0 clamp(2.5rem, 5vw, 4rem);
}
.art-breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    font-size: 0.82rem;
}
.art-breadcrumb li { color: rgba(255,255,255,0.55); }
.art-breadcrumb li:not(:last-child)::after {
    content: '›';
    margin-left: 0.5rem;
    opacity: 0.6;
}
.art-breadcrumb a {
    color: rgba(255,255,255,0.78);
    text-decoration: none;
}
.art-breadcrumb a:hover { color: #fff; }
.art-breadcrumb li[aria-current="page"] { color: rgba(255,255,255,0.92); }

.art-badge {
    display: inline-block;
    background: var(--art-accent);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}
.art-hero__title {
    font-size: clamp(1.85rem, 4.5vw, 3.25rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.12;
    letter-spacing: -0.03em;
    max-width: 900px;
    margin-bottom: 1rem;
}
.art-hero__excerpt {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255,255,255,0.82);
    line-height: 1.65;
    max-width: 760px;
    margin-bottom: 1.25rem;
}
.art-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    color: rgba(255,255,255,0.72);
    font-size: 0.9rem;
}
.art-hero__meta span,
.art-hero__meta time { display: inline-flex; align-items: center; gap: 0.35rem; }

/* Meta Bar */
.art-meta-bar {
    position: sticky;
    top: 0;
    z-index: 1020;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--art-border);
    box-shadow: 0 4px 24px rgba(11,31,58,0.06);
}
.art-meta-bar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 0;
    flex-wrap: wrap;
}
.art-meta-bar__info {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem 1.25rem;
    font-size: 0.85rem;
    color: var(--art-muted);
}
.art-meta-bar__info span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.art-meta-bar__info i { color: var(--art-accent); }

/* Layout */
.art-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
}
.art-layout__main { min-width: 0; }
.art-sidebar-sticky {
    position: sticky;
    top: 5.5rem;
}

/* TOC */
.art-toc {
    background: #fff;
    border: 1px solid var(--art-border);
    border-radius: var(--art-radius);
    padding: 1.25rem;
    box-shadow: var(--art-shadow);
}
.art-toc__label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    color: var(--art-muted);
    margin-bottom: 0.85rem;
}
.art-toc__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.art-toc__item--h3 { padding-left: 0.85rem; }
.art-toc__link {
    display: block;
    padding: 0.4rem 0.55rem;
    border-radius: 0.45rem;
    font-size: 0.88rem;
    color: var(--art-gray);
    text-decoration: none;
    line-height: 1.45;
    border-left: 2px solid transparent;
    transition: var(--art-transition);
}
.art-toc__link:hover,
.art-toc__link.is-active {
    color: var(--art-primary);
    background: rgba(255,107,0,0.06);
    border-left-color: var(--art-accent);
}

.art-toc-mobile-wrap { margin-bottom: 1.5rem; }
.art-toc--mobile {
    padding: 0;
    overflow: hidden;
}
.art-toc__toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.15rem;
    border: 0;
    background: #fff;
    font-weight: 600;
    color: var(--art-primary);
    cursor: pointer;
}
.art-toc__toggle span {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.art-toc__chevron { transition: transform 0.3s ease; }
.art-toc__toggle[aria-expanded="true"] .art-toc__chevron { transform: rotate(180deg); }
.art-toc__panel { padding: 0 1.15rem 1.15rem; }

/* Prose */
.art-prose {
    max-width: var(--art-prose-width);
    margin: 0 auto;
    font-size: clamp(1.02rem, 1.8vw, 1.125rem);
    line-height: 1.85;
    color: #334155;
}
.art-prose > *:first-child { margin-top: 0; }
.art-prose > *:last-child { margin-bottom: 0; }
.art-prose h2 {
    font-size: clamp(1.45rem, 2.8vw, 1.85rem);
    font-weight: 800;
    color: var(--art-primary);
    margin: 2.75rem 0 1rem;
    letter-spacing: -0.02em;
    line-height: 1.25;
    scroll-margin-top: 6rem;
}
.art-prose h3 {
    font-size: clamp(1.2rem, 2.2vw, 1.45rem);
    font-weight: 700;
    color: var(--art-secondary);
    margin: 2rem 0 0.75rem;
    scroll-margin-top: 6rem;
}
.art-prose p { margin-bottom: 1.35rem; }
.art-prose a {
    color: var(--art-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.art-prose ul,
.art-prose ol {
    margin: 0 0 1.5rem;
    padding-left: 1.35rem;
}
.art-prose li { margin-bottom: 0.55rem; }
.art-prose li::marker { color: var(--art-accent); }
.art-prose blockquote {
    margin: 2rem 0;
    padding: 1.35rem 1.5rem;
    border-left: 4px solid var(--art-accent);
    background: linear-gradient(90deg, rgba(255,107,0,0.07), transparent);
    border-radius: 0 var(--art-radius) var(--art-radius) 0;
    font-size: 1.08em;
    font-style: italic;
    color: var(--art-primary);
}
.art-prose img {
    max-width: 100%;
    height: auto;
    border-radius: var(--art-radius);
    margin: 2rem 0;
    box-shadow: var(--art-shadow);
}
.art-prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.95em;
    overflow-x: auto;
    display: block;
}
.art-prose th,
.art-prose td {
    padding: 0.75rem 1rem;
    border: 1px solid var(--art-border);
    text-align: left;
}
.art-prose th {
    background: var(--art-primary);
    color: #fff;
    font-weight: 600;
}
.art-prose tr:nth-child(even) td { background: rgba(248,250,252,0.8); }
.art-prose pre,
.art-prose code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.88em;
}
.art-prose pre {
    background: var(--art-primary);
    color: #e2e8f0;
    padding: 1.25rem;
    border-radius: var(--art-radius);
    overflow-x: auto;
    margin: 1.75rem 0;
}
.art-prose code {
    background: rgba(11,31,58,0.06);
    padding: 0.15rem 0.4rem;
    border-radius: 0.3rem;
}

/* Takeaways */
.art-takeaways {
    background: linear-gradient(135deg, var(--art-primary), var(--art-secondary));
    border-radius: calc(var(--art-radius) * 1.25);
    padding: clamp(2rem, 5vw, 3rem);
    color: #fff;
    box-shadow: var(--art-shadow);
}
.art-takeaways__head h2 {
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
}
.art-takeaways__head p {
    color: rgba(255,255,255,0.72);
    margin-bottom: 1.75rem;
    max-width: 560px;
}
.art-takeaways__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.85rem;
}
.art-takeaways__list li {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 0.85rem 1rem;
    background: rgba(255,255,255,0.08);
    border-radius: 0.65rem;
    line-height: 1.6;
}
.art-takeaways__list i {
    color: var(--art-accent);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

/* Services */
.art-service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
    gap: 1.25rem;
}
.art-service-card {
    background: #fff;
    border: 1px solid var(--art-border);
    border-radius: var(--art-radius);
    padding: 1.5rem;
    transition: var(--art-transition);
    box-shadow: 0 8px 32px rgba(11,31,58,0.04);
}
.art-service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--art-shadow);
    border-color: rgba(255,107,0,0.25);
}
.art-service-card__icon {
    width: 2.75rem;
    height: 2.75rem;
    display: grid;
    place-items: center;
    background: rgba(255,107,0,0.1);
    color: var(--art-accent);
    border-radius: 0.65rem;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}
.art-service-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--art-primary);
    margin-bottom: 0.5rem;
}
.art-service-card p {
    color: var(--art-gray);
    font-size: 0.92rem;
    line-height: 1.65;
    margin-bottom: 1rem;
}

/* Industries */
.art-industry-track {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
    gap: 0.85rem;
}
.art-industry-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.15rem;
    background: var(--art-light);
    border: 1px solid var(--art-border);
    border-radius: 0.75rem;
    text-decoration: none;
    color: var(--art-primary);
    font-weight: 600;
    transition: var(--art-transition);
}
.art-industry-card:hover {
    background: #fff;
    border-color: var(--art-accent);
    color: var(--art-accent);
    box-shadow: 0 8px 24px rgba(11,31,58,0.08);
}
.art-industry-card__arrow { margin-left: auto; opacity: 0.5; }

/* Author */
.art-author {
    display: grid;
    grid-template-columns: minmax(220px, 280px) 1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
    background: #fff;
    border: 1px solid var(--art-border);
    border-radius: calc(var(--art-radius) * 1.25);
    padding: clamp(1.5rem, 4vw, 2.5rem);
    box-shadow: var(--art-shadow);
}
.art-author__brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--art-light);
    border-radius: var(--art-radius);
}
.art-author__logo {
    width: 5rem;
    height: 5rem;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--art-primary), var(--art-secondary));
    color: #fff;
    border-radius: 1rem;
    font-size: 2rem;
}
.art-author__brand strong {
    display: block;
    color: var(--art-primary);
    font-size: 1.05rem;
}
.art-author__brand span {
    font-size: 0.82rem;
    color: var(--art-muted);
}
.art-author__content h2 {
    font-size: clamp(1.35rem, 2.5vw, 1.75rem);
    font-weight: 800;
    color: var(--art-primary);
    margin-bottom: 0.75rem;
}
.art-author__content p {
    color: var(--art-gray);
    line-height: 1.75;
    margin-bottom: 1rem;
}
.art-author__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem 1.25rem;
    font-size: 0.85rem;
    color: var(--art-muted);
}
.art-author__meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

/* Share */
.art-share {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.art-share__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 2.5rem;
    min-width: 2.5rem;
    padding: 0 0.85rem;
    border: 1px solid var(--art-border);
    border-radius: 0.55rem;
    background: #fff;
    color: var(--art-primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--art-transition);
}
.art-share__btn:hover {
    border-color: var(--art-accent);
    color: var(--art-accent);
    background: rgba(255,107,0,0.05);
}
.art-share--compact .art-share__btn { padding: 0 0.65rem; }
.art-share-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
    padding: clamp(1.5rem, 4vw, 2.5rem);
    background: #fff;
    border: 1px solid var(--art-border);
    border-radius: calc(var(--art-radius) * 1.25);
}
.art-share-block__text h2 {
    font-size: clamp(1.25rem, 2.5vw, 1.65rem);
    font-weight: 800;
    color: var(--art-primary);
    margin-bottom: 0.35rem;
}
.art-share-block__text p {
    color: var(--art-gray);
    margin: 0;
}

/* Related Articles */
.art-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: 1.5rem;
}
.art-related-card {
    background: #fff;
    border-radius: var(--art-radius);
    overflow: hidden;
    border: 1px solid var(--art-border);
    transition: var(--art-transition);
}
.art-related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--art-shadow);
}
.art-related-card__link {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}
.art-related-card__visual {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}
.art-related-card__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.art-related-card:hover .art-related-card__visual img { transform: scale(1.04); }
.art-related-card__cat {
    position: absolute;
    left: 0.85rem;
    bottom: 0.85rem;
    background: var(--art-accent);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
}
.art-related-card__body { padding: 1.25rem; }
.art-related-card__meta {
    display: flex;
    gap: 1rem;
    font-size: 0.78rem;
    color: var(--art-muted);
    margin-bottom: 0.65rem;
}
.art-related-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--art-primary);
    line-height: 1.35;
    margin-bottom: 0.5rem;
}
.art-related-card__excerpt {
    font-size: 0.9rem;
    color: var(--art-gray);
    line-height: 1.6;
    margin-bottom: 0.85rem;
}
.art-related-card__more {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--art-accent);
}

/* Newsletter */
.art-newsletter {
    padding-top: 0;
    padding-bottom: clamp(3rem, 7vw, 5rem);
}
.art-newsletter__inner {
    background: linear-gradient(135deg, var(--art-primary) 0%, #0a1628 100%);
    border-radius: calc(var(--art-radius) * 1.25);
    padding: clamp(2rem, 5vw, 3rem);
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 2rem;
    align-items: center;
}
.art-newsletter__copy h2 {
    font-size: clamp(1.35rem, 2.8vw, 1.85rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.65rem;
}
.art-newsletter__copy p {
    color: rgba(255,255,255,0.72);
    margin: 0;
    line-height: 1.65;
}
.art-newsletter__fields {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 0.65rem;
}
.art-newsletter__fields input {
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.08);
    color: #fff;
    border-radius: 0.55rem;
    padding: 0.75rem 1rem;
    font-size: 0.92rem;
}
.art-newsletter__fields input::placeholder { color: rgba(255,255,255,0.45); }
.art-newsletter__fields input:focus {
    outline: none;
    border-color: var(--art-accent);
    background: rgba(255,255,255,0.12);
}
.art-newsletter__fields .btn { white-space: nowrap; padding-left: 1.25rem; padding-right: 1.25rem; }

/* Final CTA */
.art-final-cta__inner {
    text-align: center;
    background: linear-gradient(135deg, var(--art-secondary), var(--art-primary));
    border-radius: calc(var(--art-radius) * 1.25);
    padding: clamp(2.5rem, 6vw, 4rem) clamp(1.5rem, 4vw, 3rem);
}
.art-final-cta__inner h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.75rem;
}
.art-final-cta__inner p {
    color: rgba(255,255,255,0.78);
    max-width: 560px;
    margin: 0 auto 1.5rem;
    line-height: 1.65;
}
.art-final-cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    justify-content: center;
}

/* Responsive */
@media (max-width: 1023.98px) {
    .art-layout { grid-template-columns: 1fr; }
    .art-author { grid-template-columns: 1fr; }
    .art-newsletter__inner { grid-template-columns: 1fr; }
}

@media (max-width: 767.98px) {
    .art-meta-bar__inner { justify-content: center; }
    .art-meta-bar__info { justify-content: center; }
    .art-share-block { flex-direction: column; align-items: flex-start; }
    .art-newsletter__fields { grid-template-columns: 1fr; }
    .art-final-cta__actions .btn { width: 100%; max-width: 320px; }
    .art-industry-track { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 479.98px) {
    .art-industry-track { grid-template-columns: 1fr; }
    .art-hero__meta { flex-direction: column; gap: 0.35rem; }
}

@media (max-width: 374.98px) {
    .art-share__btn span { display: none; }
}