.breadcrumb-bar{background:var(--bg-secondary,#f8f9fa);border-bottom:1px solid var(--border,#e5e7eb);padding:.75rem 0;font-size:.875rem;z-index:999;position:absolute;top:80px;width:100%}.breadcrumb{display:flex;align-items:center;gap:.5rem;color:var(--text-muted,#6b7280)}.breadcrumb a{color:var(--text-muted,#6b7280);text-decoration:none}.breadcrumb a:hover{text-decoration:underline}.breadcrumb span:last-child{color:var(--text,#111827)}.article-hero{padding:10rem 5% 6rem;background:linear-gradient(180deg,var(--blue-50) 0,var(--white) 100%);position:relative;overflow:hidden;border-bottom:1px solid var(--border,#e5e7eb)}.article-meta{margin-bottom:1rem}.article-title{font-size:clamp(1.75rem, 4vw, 2.75rem);font-weight:700;line-height:1.2;margin-bottom:1.5rem;max-width:48rem}.article-intro{font-size:1.125rem;line-height:1.75;color:var(--text-secondary,#374151);max-width:48rem;margin-bottom:1rem}.article-body{padding:3rem 0 4rem}.article-container{display:grid;grid-template-columns:1fr 280px;gap:4rem;align-items:start}.article-section{scroll-margin-top:90px}@media (max-width:900px){.article-container{grid-template-columns:1fr}.article-sidebar{order:-1}}.article-section{margin-bottom:2.5rem;padding-bottom:2.5rem;border-bottom:1px solid var(--border,#e5e7eb)}.article-section:last-child{border-bottom:none}.article-section h2{font-size:1.375rem;font-weight:700;margin-bottom:1rem;color:var(--text,#111827)}.article-section p{line-height:1.75;color:var(--text-secondary,#374151);margin-bottom:1rem}.article-section ul{padding-left:1.5rem;margin-bottom:1rem}.article-section ul li{line-height:1.75;color:var(--text-secondary,#374151);margin-bottom:.35rem}.article-pullquote{border-left:4px solid var(--primary,#2563eb);padding:1rem 1.5rem;margin:1.5rem 0;font-size:1.2rem;font-weight:600;color:var(--text,#111827);background:var(--bg-secondary,#f8f9fa);border-radius:0 .5rem .5rem 0}.article-conclusion{background:var(--bg-secondary,#f8f9fa);padding:2rem;border-radius:.75rem;border:none!important}.article-sidebar{position:sticky;top:6rem;display:flex;flex-direction:column;gap:1.5rem}.sidebar-widget{background:var(--bg-secondary,#f8f9fa);border:1px solid var(--border,#e5e7eb);border-radius:.75rem;padding:1.5rem}.sidebar-widget h4{font-size:.9rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted,#6b7280);margin-bottom:1rem}.sidebar-toc{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem}.sidebar-toc li a{font-size:.9rem;color:var(--text-secondary,#374151);text-decoration:none;line-height:1.4}.sidebar-toc li a:hover{color:var(--primary,#2563eb);text-decoration:underline}.sidebar-cta-widget{text-align:center}.sidebar-cta-widget p{font-size:.9rem;color:var(--text-secondary,#374151);margin-bottom:1rem}.sidebar-cta-widget .btn{display:block;width:100%;text-align:center}