.cornerstone{max-width:760px;margin:0 auto;padding:var(--spacing-3) 0 var(--spacing-8);color:#ffffffe6;font-size:1.0625rem;line-height:1.7}.cornerstone .breadcrumb{font-size:.875rem;color:#ffffff8c;margin-bottom:var(--spacing-2)}.cornerstone .meta-line{font-size:.85rem;color:#ffffff73;margin-bottom:var(--spacing-3);padding-bottom:var(--spacing-3);border-bottom:1px solid rgba(255,255,255,.08)}.cornerstone .meta-line .author{color:#ffffffb3;font-weight:600}.cornerstone .meta-line .dot{margin:0 .5rem;opacity:.5}.cornerstone .breadcrumb a{color:#ffffffb3;text-decoration:none}.cornerstone .breadcrumb a:hover{color:#fff;text-decoration:underline}.cornerstone .breadcrumb span{margin:0 var(--spacing-1)}.cornerstone .lede{font-size:1.25rem;line-height:1.6;color:#fff;margin-bottom:var(--spacing-4)}.cornerstone .cta-box{background:#e6394614;border:1px solid rgba(230,57,70,.3);border-radius:8px;padding:var(--spacing-3) var(--spacing-4);margin:var(--spacing-4) 0}.cornerstone .cta-box p{margin:0}.cornerstone .cta-box a{color:#ff6b6b;font-weight:600}.cornerstone .toc{background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:var(--spacing-3) var(--spacing-4);margin:var(--spacing-5) 0}.cornerstone .toc h2{font-size:1rem;margin-top:0;margin-bottom:var(--spacing-2);color:#ffffff80;text-transform:uppercase;letter-spacing:.5px}.cornerstone .toc ol{margin:0;padding-left:1.25rem;-moz-columns:2;columns:2;-moz-column-gap:2rem;column-gap:2rem}.cornerstone .toc li{margin-bottom:.25rem;-moz-column-break-inside:avoid;break-inside:avoid}.cornerstone .toc a{color:#ffffffbf;text-decoration:none}.cornerstone .toc a:hover{color:#fff}.cornerstone section{margin:var(--spacing-6) 0}.cornerstone h2{font-size:1.75rem;font-weight:700;color:#fff;margin-top:var(--spacing-6);margin-bottom:var(--spacing-3);line-height:1.3}.cornerstone h3{font-size:1.25rem;font-weight:600;color:#fff;margin-top:var(--spacing-4);margin-bottom:var(--spacing-2)}.cornerstone p{margin:0 0 var(--spacing-3)}.cornerstone ul,.cornerstone ol{margin:0 0 var(--spacing-3);padding-left:1.5rem}.cornerstone li{margin-bottom:.4rem}.cornerstone strong{color:#fff}.cornerstone em{color:#ffffffd9;font-style:italic}.cornerstone a{color:#ff6b6b;text-decoration:underline;text-decoration-color:#ff6b6b66;text-underline-offset:3px}.cornerstone a:hover{text-decoration-color:#ff6b6b}.cornerstone pre.layout{background:#0006;border:1px solid rgba(255,255,255,.1);border-radius:6px;padding:var(--spacing-3);margin:var(--spacing-3) 0;overflow-x:auto;font-family:Courier New,monospace;font-size:.85rem;line-height:1.4;color:#ffffffd9}.cornerstone table{width:100%;border-collapse:collapse;margin:var(--spacing-3) 0;font-size:.95rem}.cornerstone th,.cornerstone td{padding:var(--spacing-2) var(--spacing-3);text-align:left;border-bottom:1px solid rgba(255,255,255,.1)}.cornerstone th{background:#ffffff0d;color:#fff;font-weight:600}.cornerstone td{color:#ffffffd9}.cornerstone details{background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:6px;padding:var(--spacing-2) var(--spacing-3);margin-bottom:var(--spacing-2)}.cornerstone details summary{cursor:pointer;font-weight:600;color:#fff;padding:var(--spacing-1) 0}.cornerstone details[open] summary{margin-bottom:var(--spacing-2)}.cornerstone details p{margin:0 0 var(--spacing-2)}.cornerstone .related-posts{margin:var(--spacing-6) 0 var(--spacing-5);padding-top:var(--spacing-4);border-top:1px solid rgba(255,255,255,.1)}.cornerstone .related-posts h2{font-size:1.35rem;margin-top:0;margin-bottom:var(--spacing-3);color:#ffffffb3;text-transform:uppercase;letter-spacing:1px}.cornerstone .related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:var(--spacing-3);margin:0;padding:0;list-style:none}.cornerstone .related-grid li{margin:0;padding:0}.cornerstone .related-card{display:block;background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:var(--spacing-3) var(--spacing-4);text-decoration:none;color:inherit;transition:all .2s ease;height:100%}.cornerstone .related-card:hover{border-color:#e6394680;background:#e639460f;transform:translateY(-2px);text-decoration:none}.cornerstone .related-card .related-title{font-size:1.05rem;font-weight:600;color:#fff;display:block;margin-bottom:var(--spacing-1)}.cornerstone .related-card .related-desc{font-size:.85rem;color:#ffffffb3;line-height:1.5;margin:0}.cornerstone .author-byline{margin:var(--spacing-5) 0 var(--spacing-4);padding:var(--spacing-3) var(--spacing-4);background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:8px;font-size:.9rem;color:#ffffffb3;line-height:1.5}.cornerstone .author-byline strong{color:#fff}.cornerstone .practice-cta,.cornerstone .closing-cta{text-align:center;margin:var(--spacing-5) 0}.cornerstone .closing-cta{background:linear-gradient(135deg,#e639461a,#e639460a);border:1px solid rgba(230,57,70,.3);border-radius:8px;padding:var(--spacing-4) var(--spacing-5);margin-top:var(--spacing-6)}.cornerstone .closing-cta h2{margin-top:0}.cornerstone .btn-primary{display:inline-block;background:linear-gradient(135deg,#c00,#900);color:#fff;text-decoration:none;padding:var(--spacing-3) var(--spacing-5);border-radius:6px;font-weight:700;font-size:1.05rem;text-transform:uppercase;letter-spacing:1px;transition:all .2s ease;box-shadow:0 4px 16px #b4000066}.cornerstone .btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px #b4000080;text-decoration:none}.cornerstone .glossary-list{list-style:none;padding-left:0}.cornerstone .glossary-list li{margin-bottom:var(--spacing-3);padding-left:0}.cornerstone .glossary-list dt{font-weight:700;color:#fff;display:inline}.cornerstone .glossary-list dd{display:inline;margin-left:.35rem;color:#ffffffd9}@media (max-width: 600px){.cornerstone{font-size:1rem}.cornerstone .lede{font-size:1.1rem}.cornerstone h2{font-size:1.5rem}.cornerstone .toc ol{-moz-columns:1;columns:1}}