.skip-link{position:absolute;top:-100%;left:0;padding:.5rem 1rem;background:var(--color-accent);color:#fff;z-index:1000;font-family:var(--font-sans)}.skip-link:focus{top:0}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--font-serif: "Georgia", "Times New Roman", serif;--font-sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;--font-mono: "Consolas", "Monaco", "Courier New", monospace;--color-bg: #fafaf8;--color-surface: #ffffff;--color-text: #1a1a1a;--color-text-secondary: #555555;--color-text-muted: #888888;--color-border: #e0ddd8;--color-border-light: #eeece7;--color-link: #2a5a8a;--color-link-hover: #1a3a5a;--color-accent: #8b4513;--status-canonical: #2d6a30;--status-canonical-bg: #e8f5e9;--status-evolving: #c77700;--status-evolving-bg: #fff8e1;--status-draft: #78909c;--status-draft-bg: #eceff1;--max-width: 820px;--nav-height: 56px;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2.5rem;--spacing-2xl: 4rem}html{font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-serif);color:var(--color-text);background:var(--color-bg);min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);font-weight:600;line-height:1.3;color:var(--color-text)}h1{font-size:1.8rem;margin-bottom:var(--spacing-lg)}h2{font-size:1.4rem;margin-top:var(--spacing-xl);margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-xs);border-bottom:1px solid var(--color-border-light)}h3{font-size:1.15rem;margin-top:var(--spacing-lg);margin-bottom:var(--spacing-sm)}h4{font-size:1rem;margin-top:var(--spacing-md);margin-bottom:var(--spacing-sm)}p{margin-bottom:var(--spacing-md)}a{color:var(--color-link);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px;transition:color .15s}a:hover{color:var(--color-link-hover)}blockquote{border-left:3px solid var(--color-accent);padding:var(--spacing-sm) var(--spacing-lg);margin:var(--spacing-lg) 0;color:var(--color-text-secondary);font-style:italic;background:#fdfcfa}code{font-family:var(--font-mono);font-size:.88em;background:#f0eeea;padding:.1em .35em;border-radius:3px}hr{border:none;border-top:1px solid var(--color-border);margin:var(--spacing-xl) 0}ul,ol{padding-left:1.5em;margin-bottom:var(--spacing-md)}li{margin-bottom:var(--spacing-xs)}.site-nav{background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}.nav-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-lg);height:var(--nav-height)}.nav-brand{font-family:var(--font-sans);font-size:1.1rem;font-weight:700;color:var(--color-text);text-decoration:none;letter-spacing:-.02em}.nav-brand:hover{color:var(--color-accent)}.nav-brand span{font-weight:400;color:var(--color-text-muted);font-size:.85rem;margin-left:.4em}.nav-links{display:flex;gap:var(--spacing-md);list-style:none;padding:0;margin:0;align-items:center}.nav-links a{font-family:var(--font-sans);font-size:.82rem;color:var(--color-text-secondary);text-decoration:none;padding:var(--spacing-xs) var(--spacing-sm);border-radius:4px;transition:background .15s,color .15s;white-space:nowrap}.nav-links a:hover,.nav-links a[aria-current=page]{background:#f0eeea;color:var(--color-text)}.nav-search-btn{background:none;border:1px solid var(--color-border);border-radius:6px;padding:.3em .8em;font-family:var(--font-sans);font-size:.78rem;color:var(--color-text-muted);cursor:pointer;display:flex;align-items:center;gap:.4em;transition:border-color .15s;text-decoration:none}.nav-search-btn:hover{border-color:var(--color-text-secondary)}.nav-dropdown{position:relative}.nav-dropdown-toggle{font-family:var(--font-sans);font-size:.82rem;color:var(--color-text-secondary);background:none;border:none;padding:var(--spacing-xs) var(--spacing-sm);border-radius:4px;cursor:pointer;white-space:nowrap;transition:background .15s,color .15s}.nav-dropdown-toggle:hover{background:#f0eeea;color:var(--color-text)}.dropdown-arrow{font-size:.65rem;margin-left:.2em}.nav-dropdown-menu{display:none;position:absolute;top:100%;left:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:6px;box-shadow:0 4px 12px #00000014;list-style:none;padding:var(--spacing-xs) 0;margin:var(--spacing-xs) 0 0 0;min-width:260px;z-index:100}.nav-dropdown.open .nav-dropdown-menu{display:block}.nav-dropdown-menu a{display:block;padding:var(--spacing-sm) var(--spacing-md);font-family:var(--font-sans);font-size:.8rem;color:var(--color-text-secondary);text-decoration:none;white-space:nowrap}.nav-dropdown-menu a:hover,.nav-dropdown-menu a[aria-current=page]{background:#f0eeea;color:var(--color-text)}.nav-toggle{display:none;background:none;border:none;font-size:1.3rem;cursor:pointer;color:var(--color-text-secondary);padding:var(--spacing-xs)}.page-wrapper{flex:1}.content-wrapper{max-width:var(--max-width);margin:0 auto;padding:var(--spacing-xl) var(--spacing-lg) var(--spacing-2xl)}.page-header{margin-bottom:var(--spacing-xl)}.page-header h1{margin-bottom:var(--spacing-sm)}.page-meta{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);align-items:center;font-family:var(--font-sans);font-size:.78rem;color:var(--color-text-muted);margin-bottom:var(--spacing-md)}.page-meta-item{display:flex;align-items:center;gap:.3em}.page-meta-divider{color:var(--color-border)}.breadcrumb{font-family:var(--font-sans);font-size:.78rem;color:var(--color-text-muted);margin-bottom:var(--spacing-lg);padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:.3em}.breadcrumb a{color:var(--color-text-muted);text-decoration:none}.breadcrumb a:hover{color:var(--color-link);text-decoration:underline}.breadcrumb .sep{color:var(--color-border);margin:0 .1em}.badge-type{display:inline-flex;align-items:center;gap:.25rem;font-size:.65rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:.15rem .55rem;border-radius:999px;border:1px solid transparent;line-height:1.2;white-space:nowrap}.badge-glossary{background:#e3f2fd;color:#1565c0;border-color:#bbdefb}.badge-article{background:#fce4ec;color:#c62828;border-color:#f8bbd0}.badge-stream{background:#f3e5f5;color:#7b1fa2;border-color:#e1bee7}.badge-orientation{background:#e0f2f1;color:#00695c;border-color:#b2dfdb}.badge-diagram{background:#fff3e0;color:#e65100;border-color:#ffe0b2}.badge-box{background:#efebe9;color:#4e342e;border-color:#d7ccc8}.badge-domain{display:inline-flex;align-items:center;gap:.25rem;font-size:.65rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:.15rem .55rem;border-radius:999px;border:1px solid #e0e0e0;line-height:1.2;white-space:nowrap;background:#f5f5f5;color:#424242}.badge-domain-conceptual-foundations{background:#dbeafe;color:#1e40af;border-color:#bfdbfe}.badge-domain-evolutionary-dynamics{background:#ccfbf1;color:#115e59;border-color:#5eead4}.badge-domain-developmental-organisation{background:#dcfce7;color:#166534;border-color:#86efac}.badge-domain-ecological-organisation{background:#ecfccb;color:#3f6212;border-color:#bef264}.badge-domain-cognition-and-mind{background:#fce7f3;color:#9d174d;border-color:#f9a8d4}.badge-domain-social-organisation{background:#fef3c7;color:#92400e;border-color:#fcd34d}.badge-domain-diagnostics-and-empirical-tractability{background:#fee2e2;color:#991b1b;border-color:#fca5a5}.badge-domain-methodology-and-explanation{background:#e0f2fe;color:#075985;border-color:#7dd3fc}.badge-domain-philosophy-of-biology{background:#f3e8ff;color:#6b21a8;border-color:#d8b4fe}.badge-domain-boundaries,.badge-domain-artificial-systems-and-boundaries{background:#ede9fe;color:#5b21b6;border-color:#c4b5fd}.badge-anchor{background:#fee2e2;color:#991b1b;border-color:#fecaca}.badge-synthesis{background:#ffedd5;color:#9a3412;border-color:#fed7aa}.badge-core{background:#dbeafe;color:#1e40af;border-color:#bfdbfe}.badge-clarification{background:#dcfce7;color:#166534;border-color:#bbf7d0}.badge-extension{background:#f3f4f6;color:#4b5563;border-color:#d1d5db}.lock-banner{font-family:var(--font-sans);font-size:.82rem;background:var(--status-canonical-bg);border:1px solid #c8e6c9;border-left:4px solid var(--status-canonical);padding:var(--spacing-sm) var(--spacing-md);border-radius:0 4px 4px 0;margin-bottom:var(--spacing-lg);color:var(--status-canonical);display:flex;align-items:center;gap:.5em}.lock-banner .lock-icon{font-size:1em}.abstract,.in-brief{background:#f8f7f4;border:1px solid var(--color-border-light);border-radius:4px;padding:var(--spacing-md) var(--spacing-lg);margin-bottom:var(--spacing-lg);font-size:.95rem}.abstract-label,.in-brief-label{font-family:var(--font-sans);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);margin-bottom:var(--spacing-xs)}.key-points{background:#fdfcfa;border:1px solid var(--color-border-light);border-radius:4px;padding:var(--spacing-md) var(--spacing-lg);margin-bottom:var(--spacing-lg)}.key-points h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);margin:0 0 var(--spacing-sm) 0}.key-points ul{margin:0;padding-left:1.2em}.key-points li{font-size:.92rem;margin-bottom:.3em}.aps-box{background:#fdfaf5;border:1px solid #e8dcc8;border-left:4px solid var(--color-accent);border-radius:0 6px 6px 0;padding:var(--spacing-md) var(--spacing-lg);margin:var(--spacing-lg) 0}.aps-box-header{font-family:var(--font-sans);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--color-accent);margin-bottom:var(--spacing-sm);display:flex;align-items:center;gap:.4em}.aps-box p{margin-bottom:var(--spacing-sm)}.aps-box p:last-child{margin-bottom:0}.aps-box-inline{background:#fdfaf5;border:1px solid #e8dcc8;border-left:4px solid var(--color-accent);border-radius:0 6px 6px 0;padding:var(--spacing-md) var(--spacing-lg);margin:var(--spacing-lg) 0}.aps-box-inline-title{font-family:var(--font-sans);font-size:1.05rem;font-weight:600;color:var(--color-accent);margin-bottom:var(--spacing-sm)}.aps-box-inline-body{font-family:var(--font-serif);font-size:var(--font-size-base);line-height:var(--line-height-body)}.aps-box-inline-body p{margin-bottom:var(--spacing-sm)}.aps-box-inline-body p:last-child{margin-bottom:0}.aps-box-inline-body ul,.aps-box-inline-body ol{margin-left:var(--spacing-md);margin-bottom:var(--spacing-sm)}.aps-box-inline-body h2,.aps-box-inline-body h3{font-size:.95rem;font-weight:600;margin-top:var(--spacing-md);margin-bottom:var(--spacing-xs)}.diagram-figure{margin:var(--spacing-xl) 0;text-align:center}.diagram-svg{max-width:100%;height:auto;border:1px solid var(--color-border-light);border-radius:6px;padding:var(--spacing-md);background:var(--color-surface)}.diagram-figure figcaption{font-family:var(--font-sans);font-size:.85rem;color:var(--color-text-secondary);margin-top:var(--spacing-sm);font-style:italic}.diagram-key-point{background:#f5f0e8;border:1px solid #e0d5c0;border-left:4px solid var(--status-canonical);border-radius:0 6px 6px 0;padding:var(--spacing-md) var(--spacing-lg);margin:var(--spacing-lg) 0}.diagram-key-point-label{font-family:var(--font-sans);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--status-canonical);margin-bottom:var(--spacing-xs)}.diagram-key-point p{margin:0;font-size:1rem;line-height:1.6}.diagram-cross-references{margin:var(--spacing-xl) 0 var(--spacing-lg);padding-top:var(--spacing-lg);border-top:1px solid var(--color-border-light)}.diagram-cross-references h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);margin-bottom:var(--spacing-sm)}.diagram-cross-references ul{list-style:none;padding:0}.diagram-cross-references li{margin-bottom:var(--spacing-xs)}.see-also,.related-terms{margin:var(--spacing-lg) 0}.see-also h3,.related-terms h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);margin-bottom:var(--spacing-sm)}.tag-list{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);list-style:none;padding:0}.tag-list a{font-family:var(--font-sans);font-size:.8rem;padding:.2em .7em;background:#f0eeea;border:1px solid var(--color-border);border-radius:3px;text-decoration:none;color:var(--color-text-secondary);transition:background .15s,color .15s}.tag-list a:hover{background:var(--color-link);color:#fff;border-color:var(--color-link)}.referenced-by{margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:1px solid var(--color-border-light)}.referenced-by h2{font-size:1rem;border-bottom:none;padding-bottom:0;margin-top:0}.backlink-list{list-style:none;padding:0}.backlink-item{display:flex;align-items:baseline;gap:var(--spacing-sm);padding:var(--spacing-sm) 0;border-bottom:1px solid var(--color-border-light)}.backlink-item:last-child{border-bottom:none}.backlink-item a{font-family:var(--font-sans);font-size:.9rem}.references{margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:1px solid var(--color-border-light)}.references h2{font-size:1rem;border-bottom:none;padding-bottom:0;margin-top:0}.ref-list{list-style:none;padding:0}.ref-entry{font-size:.88rem;padding:var(--spacing-sm) 0;padding-left:2em;text-indent:-2em;border-bottom:1px solid var(--color-border-light)}.ref-entry:last-child{border-bottom:none}.ref-entry .ref-authors{font-weight:600}.ref-entry .ref-title{font-style:italic}.ref-entry .ref-doi{font-family:var(--font-sans);font-size:.8rem}.figure{margin:var(--spacing-xl) 0;text-align:center}.figure svg,.figure img{max-width:100%;height:auto;border:1px solid var(--color-border-light);border-radius:4px}.figure figcaption{font-family:var(--font-sans);font-size:.82rem;color:var(--color-text-secondary);margin-top:var(--spacing-sm);font-style:italic}.diagram img{width:100%;max-width:900px;height:auto;display:block;margin:0 auto}.diagram img[src*=temporal-architecture]{max-width:1400px}.card-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:var(--spacing-md)}.card{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:6px;padding:var(--spacing-md) var(--spacing-lg);transition:border-color .15s,box-shadow .15s}.card:hover{border-color:var(--color-border);box-shadow:0 2px 8px #0000000a}.card-header{display:flex;align-items:baseline;gap:var(--spacing-sm);margin-bottom:var(--spacing-xs);flex-wrap:wrap}.card-title{font-family:var(--font-sans);font-size:1rem;font-weight:600;margin:0}.card-title a{color:var(--color-text);text-decoration:none}.card-title a:hover{color:var(--color-link)}.card-excerpt{font-size:.88rem;color:var(--color-text-secondary);margin:0;line-height:1.5}.card-meta{font-family:var(--font-sans);font-size:.72rem;color:var(--color-text-muted);margin-top:var(--spacing-sm)}.cluster-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--spacing-md);margin-bottom:var(--spacing-xl)}.cluster-card{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:6px;padding:var(--spacing-lg);text-decoration:none;transition:border-color .15s,box-shadow .15s;display:block}.cluster-card:hover{border-color:var(--color-border);box-shadow:0 2px 8px #0000000a}.cluster-card h3{font-size:1rem;margin:0 0 var(--spacing-xs) 0;color:var(--color-text)}.cluster-card p{font-size:.85rem;color:var(--color-text-secondary);margin:0;line-height:1.5}.begin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:var(--spacing-md);margin-top:var(--spacing-md)}.begin-group{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:6px;padding:var(--spacing-lg)}.begin-group h3{font-size:.95rem;margin:0 0 var(--spacing-sm) 0;color:var(--color-text);font-family:var(--font-sans)}.begin-group ul{list-style:none;padding:0;margin:0}.begin-group li{margin-bottom:var(--spacing-xs);font-size:.9rem;line-height:1.5}.begin-group a{color:var(--color-link);text-decoration:none}.begin-group a:hover{color:var(--color-link-hover);text-decoration:underline}.begin-note{margin-top:var(--spacing-md);font-style:italic;color:var(--color-text-muted);font-size:.9rem}.cluster-card .card-count{font-family:var(--font-sans);font-size:.72rem;color:var(--color-text-muted);margin-top:var(--spacing-sm)}.search-container{margin-bottom:var(--spacing-xl)}.search-input-wrapper{position:relative}.search-input{width:100%;padding:.7em 1em .7em 2.5em;font-family:var(--font-sans);font-size:1rem;border:2px solid var(--color-border);border-radius:8px;background:var(--color-surface);color:var(--color-text);transition:border-color .15s;outline:none}.search-input:focus{border-color:var(--color-link)}.search-icon{position:absolute;left:.8em;top:50%;transform:translateY(-50%);color:var(--color-text-muted);font-size:1rem;pointer-events:none}.search-hint{font-family:var(--font-sans);font-size:.78rem;color:var(--color-text-muted);margin-top:var(--spacing-sm)}.search-results-count{font-family:var(--font-sans);font-size:.85rem;color:var(--color-text-secondary);margin-bottom:var(--spacing-md)}.search-result-item{padding:var(--spacing-md) 0;border-bottom:1px solid var(--color-border-light)}.search-result-item:last-child{border-bottom:none}.search-result-title{font-family:var(--font-sans);font-size:1rem;font-weight:600;margin-bottom:var(--spacing-xs);display:flex;align-items:baseline;gap:.4em;flex-wrap:wrap}.search-result-title a{color:var(--color-text);text-decoration:none}.search-result-title a:hover{color:var(--color-link)}.search-result-snippet{font-size:.88rem;color:var(--color-text-secondary);line-height:1.5;margin:0}.search-result-snippet mark{background:#fff3cd;padding:0 .1em;border-radius:2px}.search-result-meta{font-family:var(--font-sans);font-size:.72rem;color:var(--color-text-muted);margin-top:var(--spacing-xs)}.search-empty{text-align:center;padding:var(--spacing-xl) 0;color:var(--color-text-muted);font-family:var(--font-sans)}.hero{text-align:center;padding:var(--spacing-2xl) 0;border-bottom:1px solid var(--color-border-light);margin-bottom:var(--spacing-xl)}.hero h1{font-size:2.2rem;margin-bottom:var(--spacing-sm);letter-spacing:-.02em}.hero .subtitle{font-size:1.1rem;color:var(--color-text-secondary);max-width:580px;margin:0 auto var(--spacing-lg);line-height:1.6}.hero-links{margin-top:1.5rem;margin-bottom:1.5rem}.hero-explore{font-size:1rem;color:var(--color-text-secondary);margin-top:var(--spacing-md);line-height:1.6}.hero-explore a{font-weight:600}.btn{font-family:var(--font-sans);font-size:.88rem;font-weight:600;padding:.6em 1.5em;border-radius:6px;text-decoration:none;transition:background .15s,color .15s;display:inline-block}.btn-primary{background:var(--color-link);color:#fff;border:1px solid var(--color-link)}.btn-primary:hover{background:var(--color-link-hover);color:#fff}.btn-secondary{background:transparent;color:var(--color-link);border:1px solid var(--color-border)}.btn-secondary:hover{background:#f0eeea;color:var(--color-link-hover)}.home-section{margin-bottom:var(--spacing-2xl)}.home-section h2{font-size:1.2rem;border-bottom:none;padding-bottom:0}.error-page{text-align:center;padding:var(--spacing-2xl) 0}.error-code{font-family:var(--font-sans);font-size:5rem;font-weight:700;color:var(--color-border);line-height:1;margin-bottom:var(--spacing-md)}.error-page h1{font-size:1.5rem;margin-bottom:var(--spacing-md)}.error-page p{color:var(--color-text-secondary);max-width:480px;margin:0 auto var(--spacing-lg)}.error-search{max-width:400px;margin:0 auto var(--spacing-xl)}.site-footer{background:var(--color-surface);border-top:1px solid var(--color-border);padding:var(--spacing-xl) var(--spacing-lg);margin-top:auto}.footer-inner{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:var(--spacing-lg)}.footer-col h4{font-family:var(--font-sans);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);margin-bottom:var(--spacing-sm)}.footer-col ul{list-style:none;padding:0;margin:0}.footer-col li{margin-bottom:var(--spacing-xs)}.footer-col a{font-family:var(--font-sans);font-size:.82rem;color:var(--color-text-secondary);text-decoration:none}.footer-col a:hover{color:var(--color-link)}.footer-bottom{max-width:1100px;margin:var(--spacing-lg) auto 0;padding-top:var(--spacing-md);border-top:1px solid var(--color-border-light);font-family:var(--font-sans);font-size:.72rem;color:var(--color-text-muted);text-align:center}.definition-block{margin-bottom:var(--spacing-lg)}.definition-label{font-family:var(--font-sans);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);margin-bottom:var(--spacing-xs)}.definition-text{font-size:1.05rem;line-height:1.7;padding-left:var(--spacing-md);border-left:3px solid var(--color-link)}.cite{color:var(--color-text-secondary);font-size:.92em;cursor:help}.cite a{color:var(--color-text-secondary);text-decoration:none;border-bottom:1px dotted var(--color-text-muted)}.cite a:hover{color:var(--color-link)}.section-number{font-family:var(--font-sans);font-size:.8rem;color:var(--color-text-muted);margin-right:.4em}.stream-article-list{list-style:none;padding:0}.stream-article-item{padding:var(--spacing-md) 0;border-bottom:1px solid var(--color-border-light);display:flex;align-items:baseline;gap:var(--spacing-sm);flex-wrap:wrap}.stream-article-item:last-child{border-bottom:none}.stream-article-title{font-family:var(--font-sans);font-size:.95rem;font-weight:600}.stream-article-title a{color:var(--color-text);text-decoration:none}.stream-article-title a:hover{color:var(--color-link)}.stream-article-abstract{width:100%;font-size:.85rem;color:var(--color-text-secondary);margin-top:var(--spacing-xs);line-height:1.5}.cluster-header{margin-bottom:var(--spacing-xl)}.cluster-description{font-size:.95rem;color:var(--color-text-secondary);max-width:600px}.article-body h2{counter-increment:section}.article-body p{text-align:justify;hyphens:auto}@media(max-width:768px){html{font-size:16px}.nav-links{display:none}.nav-toggle{display:block}.nav-links.open{display:flex;flex-direction:column;position:absolute;top:var(--nav-height);left:0;right:0;background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:var(--spacing-md);box-shadow:0 4px 12px #00000014}.nav-dropdown-menu{position:static;border:none;box-shadow:none;min-width:0;padding-left:var(--spacing-md)}h1{font-size:1.5rem}.hero h1{font-size:1.8rem}.content-wrapper{padding:var(--spacing-lg) var(--spacing-md) var(--spacing-xl)}.footer-inner{flex-direction:column}.cluster-grid{grid-template-columns:1fr}.hero-cta{flex-direction:column;align-items:center}}@media(max-width:480px){html{font-size:15px}.hero h1{font-size:1.5rem}.card{padding:var(--spacing-md)}}main .article-body h1,main .article-body h1 a{font-size:1.55rem!important;line-height:1.3!important;font-weight:600!important}main .article-body h2,main .article-body h2 a{font-size:1.12rem!important;line-height:1.3!important;font-weight:600!important}main .article-body h3,main .article-body h3 a{font-size:1.02rem!important;line-height:1.3!important;font-weight:600!important}main .article-body h1 a,main .article-body h2 a,main .article-body h3 a{color:var(--color-link)!important;text-decoration:underline!important;text-decoration-line:underline!important;text-decoration-thickness:1px!important;text-underline-offset:2px!important;border-bottom:none!important}@media print{.site-nav,.site-footer,.nav-search-btn{display:none}body{font-size:11pt}a{color:var(--color-text);text-decoration:none}.badge{border:1px solid #999}}main .content-wrapper .article-body h1,main .content-wrapper .article-body h1 a{font-size:1.75rem!important;line-height:1.3!important;font-weight:600!important}main .content-wrapper .article-body h2,main .content-wrapper .article-body h2 a{font-size:1.35rem!important;line-height:1.35!important;font-weight:600!important}main .content-wrapper .article-body h3,main .content-wrapper .article-body h3 a{font-size:1.15rem!important;line-height:1.4!important;font-weight:600!important}main .content-wrapper .article-body h1 a,main .content-wrapper .article-body h2 a,main .content-wrapper .article-body h3 a{color:var(--color-link)!important;text-decoration:underline!important;text-decoration-line:underline!important;text-decoration-thickness:1px!important;text-underline-offset:2px!important;border-bottom:none!important}.diagram,.figure,.aps-diagram{width:min(96vw,1400px);max-width:none;margin:2.75rem auto;text-align:center}.diagram img,.diagram svg,.figure img,.figure svg,.aps-diagram img,.aps-diagram svg{width:100%;max-width:none;height:auto;display:block;margin:0 auto;transition:transform .16s ease,box-shadow .16s ease}.diagram a,.figure a,.aps-diagram a{display:block;cursor:zoom-in;text-decoration:none}.diagram a:hover img,.diagram a:hover svg,.figure a:hover img,.figure a:hover svg,.aps-diagram a:hover img,.aps-diagram a:hover svg{transform:scale(1.01);box-shadow:0 8px 28px #00000014}.diagram-caption,.aps-diagram-caption,.figure figcaption{max-width:820px;margin:.9rem auto 0;text-align:center;font-family:var(--font-sans);font-size:.95rem;line-height:1.6;color:var(--color-text-secondary);font-style:normal}.diagram-hint{margin-top:.35rem;text-align:center;font-size:.84rem;color:var(--color-text-secondary);opacity:.78}.architecture-diagram-section{width:min(96vw,1600px);max-width:none;margin:4rem calc(50% - min(48vw,800px)) 0}.architecture-diagram-wrapper{width:100%;max-width:none;margin:2.5rem auto 1.25rem}.diagram-link{display:block;cursor:zoom-in;text-decoration:none}.architecture-diagram{width:100%;max-width:none;height:auto;display:block;margin:0 auto;border-radius:18px;transition:transform .16s ease,box-shadow .16s ease}.diagram-link:hover .architecture-diagram{transform:scale(1.01);box-shadow:0 8px 28px #00000014}.aps-diagram,.diagram,.figure{width:min(96vw,1400px);max-width:none;position:relative;left:50%;transform:translate(-50%);margin:2.75rem auto;text-align:center}.aps-diagram img,.aps-diagram svg,.diagram img,.diagram svg,.figure img,.figure svg{width:100%;max-width:none;height:auto;display:block;margin:0 auto}.aps-diagram-large img,.aps-diagram-large svg{width:100%;max-width:1600px;height:auto}.article-body p:has(img){text-align:center;margin:2.75rem auto 1rem}.article-body p:has(img) img{display:block;width:min(96vw,1100px);max-width:none;height:auto;margin-left:50%;transform:translate(-50%)}.article-body p:has(img)+p{text-align:center}.article-body p:has(img)+p em{display:block;max-width:820px;margin:.5rem auto 2rem;text-align:center;font-family:var(--font-sans);font-size:.9rem;line-height:1.6;color:var(--color-text-secondary)}.article-body ul,.article-body ol{margin-top:1rem;margin-bottom:1rem;margin-left:2.5rem;padding-left:1rem}.article-body li{margin-bottom:.4rem}.article-body li:last-child{margin-bottom:0}main .article-body h2,main .article-body h2 a{font-size:1.35rem!important;line-height:1.3!important}main .article-body h3,main .article-body h3 a{font-size:1.15rem!important;line-height:1.35!important}main .article-body h2{margin-top:2.4rem!important;margin-bottom:1rem!important}main .article-body h3{margin-top:1.8rem!important;margin-bottom:.75rem!important}.references h2,.article-references h2{font-family:inherit;font-size:1.25rem;line-height:1.3;margin-top:2.4rem;margin-bottom:1rem}.article-text-block{max-width:760px;margin:0 auto 2rem}.article-text-block h2,.article-text-block p{max-width:760px;margin-left:auto;margin-right:auto}.search-section{text-align:center}.homepage-search-link{margin:1.5rem 0}.search-examples{margin-top:1rem;font-size:.9rem;color:var(--color-text-muted)}.search-guidance{max-width:720px;margin:1rem auto}.search-section h2{font-size:1.75rem;margin-bottom:1rem;letter-spacing:-.02em}.homepage-search-form{display:flex;max-width:720px;margin:1.5rem auto;gap:.5rem}.homepage-search-input{flex:1;padding:.75rem 1rem;font-family:var(--font-sans);font-size:1rem;border:2px solid var(--color-border);border-radius:8px;background:var(--color-surface);color:var(--color-text)}.homepage-search-input:focus{border-color:var(--color-link);outline:none}.homepage-search-button{padding:.75rem 1.25rem;font-family:var(--font-sans);font-size:.95rem;font-weight:600;border:1px solid var(--color-link);border-radius:8px;background:var(--color-link);color:#fff;cursor:pointer}.homepage-search-button:hover{background:var(--color-link-hover)}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.domain-architecture-panel{max-width:760px;margin:1.5rem auto 2rem;padding:1rem 1.25rem;background:#fbfaf7;border:1px solid var(--color-border-light);border-radius:10px;font-family:var(--font-sans);box-shadow:0 2px 8px #00000006}.domain-architecture-panel h2{margin:0 0 .85rem;padding:0;border:none;font-size:.95rem;letter-spacing:.04em;text-transform:uppercase;color:var(--color-text-secondary);text-align:center}.domain-architecture-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem 1rem}.domain-architecture-group{padding:.75rem .85rem;background:#fff;border:1px solid var(--color-border-light);border-radius:8px}.domain-architecture-group h3{display:inline-block;margin:0 0 .55rem;padding:.15rem .55rem;border-radius:4px;font-size:.68rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.domain-architecture-group ul{margin:0;padding-left:1rem}.domain-architecture-group li{margin-bottom:.25rem;font-size:.76rem;line-height:1.35;color:var(--color-text-secondary)}.domain-architecture-group li:last-child{margin-bottom:0}@media(max-width:640px){.domain-architecture-grid{grid-template-columns:1fr}}.anchor-heading{background:#fee2e2;color:#991b1b}.synthesis-heading{background:#ffedd5;color:#9a3412}.core-heading{background:#dbeafe;color:#1e40af}.extension-heading{background:#ede9fe;color:#5b21b6}.article-role-group{margin-top:1.75rem}.article-role-group:first-child{margin-top:0}.article-role-group h3{margin-bottom:.85rem;font-family:var(--font-sans);font-size:.82rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--color-text-muted)}.orientation-pathway{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--color-border);text-align:center}.orientation-pathway p{margin:.4rem 0}.orientation-pathway strong{display:block;margin-bottom:.5rem}.orientation-pathway a{text-decoration:none}
