.article-detail{background:var(--color-bg-dark);min-height:100vh}.article-hero{padding:var(--space-10xl) var(--space-6xl);border-bottom:1px solid var(--color-border-dark);animation:.8s ease-out fadeIn}.article-hero-container{max-width:900px;margin:0 auto}.article-hero-meta{align-items:center;gap:var(--space-lg);margin-bottom:var(--space-lg);flex-wrap:wrap;display:flex}.article-pillar{font-size:var(--text-xs);letter-spacing:var(--ls-wider);color:var(--color-primary);text-transform:uppercase;font-weight:var(--weight-semibold)}.article-date{font-size:var(--text-xs);letter-spacing:var(--ls-wide);color:var(--color-text-tertiary);text-transform:uppercase}.article-hero-title{font-family:var(--font-display);font-size:var(--text-6xl);color:var(--color-text-primary);margin:0 0 var(--space-lg) 0;font-weight:400;line-height:var(--lh-tight)}.article-hero-excerpt{font-size:var(--text-lg);color:var(--color-text-secondary);line-height:var(--lh-normal);max-width:700px;margin:0}.article-featured-image{background:var(--color-bg-darker);width:100%;max-height:600px;overflow:hidden}.article-featured-image img{object-fit:cover;width:100%;height:100%;display:block}.article-container{max-width:1400px;padding:var(--space-10xl) var(--space-6xl);margin:0 auto}.article-content-wrapper{gap:var(--space-8xl);grid-template-columns:1fr 320px;display:grid}.article-body{max-width:750px}.article-paragraph{font-size:var(--text-lg);color:var(--color-text-secondary);line-height:var(--lh-relaxed);margin:0 0 var(--space-4xl) 0}.article-paragraph:last-child{margin-bottom:0}.article-sidebar{gap:var(--space-6xl);flex-direction:column;display:flex}.sidebar-section{padding:var(--space-4xl);background:var(--color-bg-darker);border-radius:var(--radius-md);border:1px solid var(--color-border-dark)}.sidebar-title{font-family:var(--font-display);font-size:var(--text-lg);color:var(--color-text-primary);margin:0 0 var(--space-lg) 0;padding-bottom:var(--space-lg);border-bottom:1px solid var(--color-border-dark);font-weight:400}.article-meta-details{gap:var(--space-lg);flex-direction:column;display:flex}.meta-item{gap:var(--space-sm);flex-direction:column;display:flex}.meta-label{font-size:var(--text-xs);letter-spacing:var(--ls-wide);color:var(--color-text-tertiary);text-transform:uppercase;font-weight:var(--weight-semibold)}.meta-value{font-size:var(--text-base);color:var(--color-text-primary);font-weight:var(--weight-normal)}.related-articles{gap:var(--space-md);flex-direction:column;display:flex}.related-article-link{padding:var(--space-md) 0;border-bottom:1px solid var(--color-border-dark);transition:opacity var(--duration-base) var(--easing-ease-out);justify-content:space-between;align-items:center;text-decoration:none;display:flex}.related-article-link:last-child{border-bottom:none}.related-article-link:hover{opacity:.8}.related-article-title{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:var(--lh-normal);transition:color var(--duration-base) var(--easing-ease-out);flex:1}.related-article-link:hover .related-article-title{color:var(--color-primary)}.related-article-arrow{font-size:var(--text-sm);color:var(--color-primary);margin-left:var(--space-md);flex-shrink:0}.no-related{font-size:var(--text-sm);color:var(--color-text-tertiary);padding:var(--space-md) 0;margin:0}.back-button{padding:var(--space-md) var(--space-lg);background:var(--color-primary);color:var(--color-bg-dark);border-radius:var(--radius-sm);font-family:var(--font-display);font-size:var(--text-sm);text-transform:uppercase;letter-spacing:var(--ls-wide);transition:opacity var(--duration-base) var(--easing-ease-out);text-align:center;width:100%;font-weight:400;text-decoration:none;display:inline-block}.back-button:hover{opacity:.9}.article-not-found{text-align:center;padding:var(--space-10xl) var(--space-6xl)}.article-not-found h1{font-family:var(--font-display);font-size:var(--text-5xl);color:var(--color-text-primary);margin:0 0 var(--space-lg) 0}.article-not-found p{font-size:var(--text-lg);color:var(--color-text-secondary);margin:0 0 var(--space-4xl) 0}.back-link{color:var(--color-primary);font-weight:var(--weight-semibold);transition:opacity var(--duration-base) var(--easing-ease-out);text-decoration:none;display:inline-block}.back-link:hover{opacity:.8}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media (width<=1024px){.article-hero,.article-container{padding:var(--space-8xl) var(--space-4xl)}.article-content-wrapper{gap:var(--space-6xl);grid-template-columns:1fr 280px}.article-hero-title{font-size:var(--text-5xl)}.article-paragraph{font-size:var(--text-base)}.sidebar-section{padding:var(--space-3xl)}}@media (width<=768px){.article-hero,.article-container{padding:var(--space-6xl) var(--space-lg)}.article-content-wrapper{gap:var(--space-4xl);grid-template-columns:1fr}.article-hero-title{font-size:var(--text-4xl)}.article-featured-image{max-height:400px}.article-paragraph{font-size:var(--text-base);margin-bottom:var(--space-3xl)}.sidebar-section{padding:var(--space-3xl)}.sidebar-title{font-size:var(--text-base)}.related-article-link{padding:var(--space-md) 0}}@media (width<=480px){.article-hero{padding:var(--space-5xl) var(--space-lg)}.article-container{padding:var(--space-4xl) var(--space-lg)}.article-hero-title{font-size:var(--text-3xl)}.article-featured-image{max-height:300px}.article-paragraph{font-size:var(--text-base);margin-bottom:var(--space-2xl)}.sidebar-section{padding:var(--space-2xl)}.sidebar-title{font-size:var(--text-base);margin-bottom:var(--space-md)}.related-article-title{font-size:var(--text-xs)}.meta-label{font-size:9px}.meta-value{font-size:var(--text-sm)}}