@charset "UTF-8";
:root{--paper:#faf9f5;--ink:#202b38;--soft:#65717c;--line:#d9dedf;--navy:#213c58;--accent:#ad4e2e;--pale:#eaf0f3;--warm:#f1e9de}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--accent)}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #ac4b26;outline-offset:4px}button,input,textarea,select{font:inherit}.wrap{width:min(1240px,100%);margin:auto;padding:0 38px}.skip{position:fixed;top:-100px;left:16px;background:var(--ink);color:white;padding:12px;z-index:10}.skip:focus{top:12px}.masthead{border-top:5px solid var(--navy);border-bottom:1px solid var(--line)}.top{min-height:100px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font:800 31px/1.1 system-ui;letter-spacing:-1.3px;text-decoration:none}.brand em{font-style:normal;color:var(--accent)}.brand small{font:11px/1.5 ui-monospace,monospace;display:block;letter-spacing:1.2px;margin-top:8px;color:var(--soft)}nav{display:flex;gap:24px;font-size:14px}nav a{text-decoration:none}nav a:hover{text-decoration:underline}.eyebrow,.meta,.number{font:12px/1.5 ui-monospace,monospace;color:var(--soft);text-transform:uppercase;letter-spacing:.65px}.eyebrow{color:var(--accent)}.intro{padding:35px 0 25px;display:grid;grid-template-columns:1.1fr 1fr;align-items:end;gap:50px}.intro h1{font-size:clamp(30px,3.5vw,46px);letter-spacing:-1.3px;line-height:1.15;margin:10px 0}.intro p{color:var(--soft);margin:8px 0;max-width:600px}.search-form{padding:17px 0 22px;border-bottom:1px solid var(--line)}.search-form label{display:block;font-size:13px;font-weight:650;margin-bottom:7px}.search-row{display:flex;gap:12px}input,textarea{width:100%;border:1px solid #8c9aa7;border-radius:3px;background:#fff;padding:11px 13px;color:var(--ink)}input[type=search]{max-width:760px}.search-form p{font-size:12px;color:var(--soft);margin:7px 0 0;min-height:18px}.topic-nav{display:flex;flex-wrap:wrap;gap:10px;padding:20px 0}.topic-nav a{padding:5px 11px;border:1px solid var(--line);border-radius:3px;font-size:13px;text-decoration:none}.topic-nav a:hover{border-color:var(--accent)}.featured{display:grid;grid-template-columns:1.4fr 1fr;gap:22px;padding:5px 0 32px}.feature{border-radius:5px;overflow:hidden;display:grid;grid-template-columns:1fr 180px;min-width:0;border:1px solid var(--line);background:#fff}.feature:first-child{background:var(--navy);color:white;border-color:var(--navy)}.feature:first-child .meta{color:#d2dfe9}.feature-body{padding:23px}.feature h2{font-size:25px;line-height:1.24;letter-spacing:-.6px;margin:11px 0}.feature h2 a{text-decoration:none}.feature p{font-size:14px;margin-bottom:8px}.feature-art{background:#e4eaf0;display:flex;align-items:center;justify-content:center;padding:15px;min-width:0}.feature-art img{max-width:100%;height:auto;object-fit:contain}.feature:first-child .feature-art{background:#e8e9df}.feature.essay{grid-template-columns:1fr}.feature.essay h2{font:30px/1.2 Georgia,serif}.library{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:55px;padding:20px 0 65px}.section-head{display:flex;justify-content:space-between;align-items:baseline;border-bottom:2px solid var(--ink);padding-bottom:12px}.section-head h2{font-size:22px;line-height:1.3;margin:0}.entry{padding:23px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:48px minmax(0,1fr);gap:12px}.entry h2,.entry h3{font-size:21px;line-height:1.35;margin:6px 0 8px;font-weight:700;letter-spacing:-.3px}.entry h2 a,.entry h3 a{text-decoration:none}.entry p{font-size:15px;color:#52616d;margin:0;max-width:700px}.entry .number{padding-top:6px;color:#9b6a4f}.sidebar{font-size:14px;padding-top:2px}.sidebar h2{font-size:16px;margin:0 0 16px}.sidebar ol{padding-left:20px}.sidebar li{padding:7px 0}.side-note{border-top:2px solid var(--ink);margin-top:30px;padding-top:15px}.side-note p{color:var(--soft)}.side-note a{font-weight:600}.button{background:var(--navy);border:0;border-radius:3px;color:white;padding:11px 18px;cursor:pointer;font-size:14px}.button:hover{background:var(--accent);color:white}.page-heading{padding-top:38px;max-width:820px}.page-heading h1{font-size:42px;line-height:1.18;letter-spacing:-1px;margin:14px 0}.page-heading p{color:var(--soft)}.breadcrumbs{font:12px/1.6 system-ui;color:var(--soft);padding-top:26px}.reading{display:grid;grid-template-columns:195px minmax(0,760px);gap:60px;padding:24px 0 70px}.toc{font-size:13px;align-self:start;position:sticky;top:24px;border-top:2px solid var(--ink);padding-top:12px}.toc summary{cursor:pointer;font-weight:700;list-style:none}.toc ol{padding-left:17px}.toc li{padding:5px 0}.toc a{text-decoration:none}.toc a:hover{text-decoration:underline}.article{min-width:0}.article-header{padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:26px}.article h1{font-size:clamp(31px,3.5vw,46px);line-height:1.16;letter-spacing:-1.1px;margin:14px 0 20px;overflow-wrap:break-word}.lead{font:22px/1.55 Georgia,"Times New Roman",serif;color:#52616d;margin:0}.prose{font:19px/1.8 Georgia,"Times New Roman",serif}.prose h2,.prose h3{font-family:system-ui,-apple-system,sans-serif;line-height:1.3;letter-spacing:-.5px}.prose h2{font-size:27px;margin:40px 0 16px}.prose h3{font-size:21px;margin-top:29px}.prose p{margin:19px 0;overflow-wrap:break-word}.prose ul,.prose ol{padding-left:25px}.prose li{padding-left:3px;margin:9px 0}.prose blockquote{margin:28px 0;border-left:3px solid var(--accent);padding:5px 22px;color:#52616d;font-style:italic}.prose pre{font:14px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace;background:#202d3b;color:#e3eaf0;padding:21px;border-radius:4px;max-width:100%;overflow:auto;white-space:pre}.prose code{font: .84em/1.7 ui-monospace,monospace;overflow-wrap:anywhere}.prose pre code{font:inherit;overflow-wrap:normal}.prose figure{margin:30px 0}.prose figure img{max-width:100%;height:auto;display:block;border:1px solid var(--line);border-radius:4px;background:#fff}.prose figure.diagram img{width:min(560px,100%);margin:auto}.prose figcaption{font:13px/1.55 system-ui;color:var(--soft);margin-top:10px}.prose figure.small img{max-width:min(100%,420px)}.table-scroll{overflow-x:auto;max-width:100%;margin:26px 0;border:1px solid var(--line);border-radius:4px}.prose table{border-collapse:collapse;width:100%;min-width:540px;font:14px/1.6 system-ui}.prose th,.prose td{border-bottom:1px solid var(--line);padding:12px 14px;vertical-align:top;text-align:left}.prose th{background:var(--pale);font-weight:650}.prose td code{font-size:13px;overflow-wrap:normal}.prose .note,.prose .callout{font:15px/1.7 system-ui;background:var(--warm);padding:18px 20px;border-left:3px solid #b17746;margin:26px 0}.prose .sources{font:14px/1.7 system-ui;margin-top:35px;border-top:1px solid var(--line);padding-top:20px}.prose .sources h2{font-size:18px;margin:0 0 12px}.prose .sources li{margin:7px 0}.flow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;list-style:none;padding:0!important;font:15px/1.6 system-ui}.flow li{background:var(--pale);padding:16px;border-top:3px solid var(--navy);margin:0}.tool{font:16px/1.6 system-ui;border:1px solid var(--line);border-radius:4px;padding:22px;margin:25px 0;background:white}.tool label{display:block;font-weight:650;font-size:14px;margin:16px 0 6px}.tool label:first-child{margin-top:0}.tool textarea{min-height:180px}.tool .button{margin-top:18px}.tool output{display:block;font:14px/1.7 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere;margin-top:18px}.related{border-top:2px solid var(--ink);margin-top:45px;padding-top:20px;font:15px/1.7 system-ui}.related h2{font-size:19px}.missing{padding:65px 0 100px;max-width:740px}.missing h1{font:52px/1.15 Georgia,serif}.missing p{font-size:18px}footer{border-top:1px solid var(--line);padding:25px 0 32px;color:var(--soft);font-size:13px}footer .wrap{display:flex;justify-content:space-between;gap:20px}.empty{padding:23px;background:var(--warm);font-size:15px}.muted{color:var(--soft)}[hidden]{display:none!important}@media(max-width:1000px){.featured{grid-template-columns:1fr 1fr}.feature{grid-template-columns:1fr}.feature-art{display:none}.reading{grid-template-columns:155px minmax(0,1fr);gap:32px}.library{gap:30px;grid-template-columns:minmax(0,1fr) 210px}.wrap{padding-inline:28px}}@media(max-width:760px){.top{min-height:94px}.brand{font-size:27px}.brand small{font-size:10px}nav{gap:16px;font-size:13px}.intro{grid-template-columns:1fr;gap:7px;padding:25px 0 12px}.intro h1{font-size:35px}.intro p{font-size:15px}.library{grid-template-columns:1fr;padding-top:12px;gap:35px}.sidebar{border-top:1px solid var(--line);padding-top:20px}.sidebar ol{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}.reading{grid-template-columns:1fr;gap:22px;padding-top:18px}.toc{position:static}.toc:not(:has(details[open])){padding-bottom:0}.toc details{padding-bottom:10px}.toc ol{columns:2;gap:30px}.article h1{font-size:35px}.page-heading h1{font-size:35px}.prose{font-size:18px}.lead{font-size:20px}.prose h2{font-size:25px}}@media(max-width:480px){.wrap{padding-inline:20px}.top{align-items:flex-start;flex-direction:column;gap:16px;padding-block:21px 17px}.top nav{width:100%;justify-content:space-between;gap:10px}.brand{font-size:28px}.brand small{letter-spacing:.8px}.intro h1{font-size:32px;max-width:340px}.intro{padding-top:23px}.search-form{padding-top:10px}.topic-nav{gap:7px;padding:16px 0}.topic-nav a{font-size:12px;padding:4px 8px}.featured{grid-template-columns:1fr;gap:14px;padding-bottom:16px}.feature-body{padding:19px}.feature h2{font-size:23px}.feature.essay h2{font-size:27px}.feature p{font-size:14px}.entry{grid-template-columns:30px minmax(0,1fr);gap:8px;padding:20px 0}.entry h2,.entry h3{font-size:20px}.entry p{font-size:14px}.section-head h2{font-size:21px}.section-head .meta{font-size:10px}.article h1{font-size:31px;letter-spacing:-.6px}.article-header{margin-bottom:20px}.prose{font-size:18px;line-height:1.78}.prose h2{font-size:24px}.prose pre{font-size:13px;padding:16px}.prose .note,.prose .callout{padding:15px;font-size:14px}.prose .sources{font-size:13px}.toc ol{columns:1}.flow{grid-template-columns:1fr}.tool{padding:17px}.prose table{font-size:13px}.sidebar ol{display:block}.page-heading h1{font-size:32px}.page-heading{padding-top:25px}.missing{padding:35px 0 70px}.missing h1{font-size:39px}footer .wrap{flex-direction:column;gap:9px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.mobile-toc{display:none}@media(max-width:760px){.reading>.toc{display:none}.mobile-toc{display:block;font:14px/1.65 system-ui;margin:0 0 25px;padding:12px 0;border-block:1px solid var(--line)}.mobile-toc summary{cursor:pointer;font-weight:650}.mobile-toc ol{padding-left:22px}.mobile-toc li{margin:7px 0}}
.top nav a{display:inline-flex;align-items:center;min-height:24px}
@media(max-width:350px){.article h1{font-size:28px}}