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@media(max-width:700px){.hero{overflow:hidden}}

/* Editorial layout and accessible reading scale */
:root{--reading-size:18px;--muted:#687263}
body{font-size:16px;line-height:1.85}
.wrap{max-width:1240px;padding-left:32px;padding-right:32px}
.header{max-width:1360px;padding:23px 36px;gap:28px;min-height:106px}
nav{gap:28px}nav a{font-size:16px;color:#66715f}
.search-toggle{font-size:14px;color:#677361}
.brand{flex-shrink:0}.brand small{font-size:10px}
.hero{grid-template-columns:1.1fr 1fr;min-height:580px}
.hero h1{font-size:66px}.hero p{font-size:17px;color:#5e6d5d;line-height:2}
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.eyebrow{font-size:12px;color:#68765e;letter-spacing:1.8px}
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.secondary:hover{background:#e7edde}
.topic-strip .wrap{font-size:15px;min-height:80px;gap:20px}
.topic-strip .wrap>span:first-child{font-size:13px;color:#737e68}
.topic-strip a:hover{color:#6b8452}
.section{padding-top:65px;padding-bottom:65px}
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.text-link:hover{text-decoration:underline;text-underline-offset:5px}
.note-grid{gap:25px}.card-art{height:176px}
.art-corner{font-size:10px;color:#687b5c}
.card-category{font-size:13px;color:#58734d;letter-spacing:.7px}
.card-body{padding:23px}.card-body h3{font-size:22px;line-height:1.6;margin:9px 0 12px}
.card-body p{font-size:15px;color:#67705f;line-height:1.9;min-height:57px}
.card-meta{font-size:12px;color:#6f7965;gap:8px;flex-wrap:wrap;margin-top:24px;padding-top:15px}
.home-stream{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:55px;border-top:1px solid var(--line);padding-top:48px}
.note-row{display:flex;justify-content:space-between;gap:30px;padding:26px 0;border-bottom:1px solid var(--line);align-items:center}
.note-row:first-child{padding-top:0}.note-row h3{font:normal 23px/1.65 var(--serif);margin:5px 0 8px}
.note-row p{font-size:15px;color:#69745f;margin:0;max-width:680px}
.note-row:hover h3{text-decoration:underline;text-decoration-color:#b4c2a6;text-underline-offset:5px}
.row-date{font-size:12px;color:#718064;white-space:nowrap;line-height:2;text-align:right}.row-date b{font-weight:normal;margin-left:10px}
.reading-sidebar{padding:30px;background:#eceedf;border:1px solid #dde4d3;border-radius:6px;align-self:start}
.reading-sidebar h3{font:normal 28px/1.6 var(--serif);margin:15px 0}.reading-sidebar p{font-size:15px;color:#637256}
.reading-sidebar h4{font-weight:500;margin:23px 0 10px}.reading-sidebar ol{font-size:14px;padding-left:20px}.reading-sidebar li{margin:12px 0}
.reading-sidebar hr{border:0;border-top:1px solid #cfd8c3;margin:27px 0}
.lab-inner{grid-template-columns:1fr 1.5fr;gap:75px;padding-top:60px;padding-bottom:60px}
.lab-intro h2{font-size:34px}.lab-intro p{font-size:16px;color:#67775c;margin:22px 0 28px}
.experiment-state{font-size:12px;color:#627a51}.experiment-list h3{font-size:23px}.experiment-list p{font-size:15px;color:#67765d}
.experiment-list a{padding:25px 0}.experiment-number{font-size:23px}
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.topic-tile{border:1px solid #d7ddcf;border-radius:5px;padding:27px 23px;background:#fafaf4;transition:background .2s}
.topic-tile:hover{background:#eaf0df}.topic-symbol{font-size:29px;color:#658052}.topic-qty{font-size:12px;float:right;padding-top:12px;color:#6b7a5d}
.topic-tile h3{font:normal 26px/1.6 var(--serif);margin:20px 0 12px}.topic-tile p{font-size:15px;color:#65745c;min-height:85px;margin:0 0 22px}
.large-topics{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}.large-topics .topic-tile{padding:35px}.large-topics .topic-tile p{min-height:0}
.closing p{font-size:17px;color:#66785b}.closing{padding-top:27px;padding-bottom:27px}
.site-footer{margin-top:65px;background:#edf0e5;border-top:1px solid #dfe4d5}
.footer-columns{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px;padding-top:45px;padding-bottom:38px}
.footer-columns>div{display:flex;flex-direction:column;align-items:start;gap:8px;font-size:14px;color:#647357}
.footer-columns strong{font-size:15px;font-weight:500;color:#354d2d;margin-bottom:10px}
.footer-columns p{font-size:15px;line-height:2;margin:8px 0}.footer-brand{font-size:23px;margin:0}
.footer-columns a:hover{text-decoration:underline}.site-footer .footer{font-size:13px;color:#637157;border-top:1px solid #d5ddca;padding-top:22px;padding-bottom:22px;gap:15px}
.page-heading{padding:10px 0 35px;max-width:900px}.page-heading h1{font-size:46px;line-height:1.45;margin:17px 0 20px;letter-spacing:1px}
.page-heading p{font-size:18px;color:#64735a;line-height:1.9;margin:0;max-width:820px}
.filters{gap:9px}.filters button{font-size:15px;padding:8px 16px}.filter-row{margin:7px 0 30px}.filter-row>span{font-size:14px;color:#64735b}
.topic-summary{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;display:flex;gap:30px;font-size:15px;margin:0 0 32px}
.topic-summary strong{font-weight:500}.topic-summary span{color:#6b795e}
.reading-path{padding-top:45px;margin-top:45px;border-top:1px solid var(--line)}
.reading-path>p{color:#66765b;font-size:17px;max-width:850px;line-height:1.95}
.path-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:28px}
.path-steps>a{background:#edf0e5;border:1px solid #d9e1cc;border-radius:5px;padding:25px}
.path-steps>a>span{font:italic 22px var(--serif);color:#80966a}
.path-steps h3{font:normal 23px/1.6 var(--serif);margin:10px 0}.path-steps p{color:#66765a;font-size:15px;line-height:1.9;margin:0}
.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;margin-top:15px}
.tool-card{padding:30px;background:#fbfaf5;border:1px solid #d6ddcb;border-radius:6px;display:flex;flex-direction:column;align-items:start}
.tool-card h2{font-size:26px;margin:10px 0 15px}.tool-card p{font-size:16px;color:#63715a;line-height:1.9;margin:0 0 24px}.tool-card .text-link{margin-top:auto}
.tool-top{display:flex;width:100%;justify-content:space-between;align-items:center;margin-bottom:30px;color:#7c9169;font:italic 27px var(--serif)}
.status-tag{font:12px/1.7 sans-serif;border:1px solid #cad8b9;padding:3px 10px;border-radius:20px;color:#587640;background:#edf2e4}
.tool-workbench,.checklist-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:32px;margin-top:10px;align-items:start}
.tool-form,.checklist-panel{border:1px solid #d7ddce;background:#fbfaf5;border-radius:6px;padding:30px}
.tool-form label{font-size:16px;display:block;margin-bottom:21px;color:#3f5735}
textarea{font:16px/1.8 inherit;font-family:inherit;line-height:1.8;font-size:16px;display:block;width:100%;resize:vertical;padding:14px;border:1px solid #c6d0b9;border-radius:4px;background:#fffef9;color:#32472b;margin-top:9px;min-height:100px}
.tool-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
.tool-output{background:#e9eedf;padding:30px;border:1px solid #d6e1c8;border-radius:6px}
.tool-output h2{font-size:26px;margin:0 0 15px}.tool-output p{color:#617353;font-size:15px;line-height:1.95}
.tool-output textarea{min-height:360px;margin-bottom:18px;background:#f9fbf4}
.code-input{font-family:Consolas,monospace;font-size:15px;min-height:350px}
.tool-feedback,#link-feedback{font-size:14px!important;color:#4f6c3c;min-height:24px;overflow-wrap:anywhere}
.error{color:#9d3e2c!important;overflow-wrap:anywhere}.success{color:#3b6729!important}
.checklist-layout{grid-template-columns:1.4fr 1fr}.checklist-progress strong{font-size:18px;font-weight:500}
progress{display:block;width:100%;height:9px;margin:17px 0 26px;accent-color:#4c7137}
fieldset{border:0;margin:0;padding:0;min-width:0}legend{font-size:14px;color:#6c7a5f;margin-bottom:16px}
#workflow-checks label{display:flex;gap:13px;align-items:start;padding:14px 0;border-bottom:1px solid #dfe4d6;cursor:pointer;font-size:16px}
#workflow-checks input{width:20px;height:20px;flex-shrink:0;accent-color:#4c7137;margin-top:5px}
.archive-page{max-width:1100px}.archive-stats{display:flex;gap:50px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;font-size:15px;color:#63745a}
.archive-stats strong{font:normal 28px var(--serif);color:#3d5732;margin-right:6px}
.archive-month{padding-top:40px}.archive-month h2{font-size:33px}.archive-month h2 span{font-size:22px;color:#758765}.archive-month>p{font-size:14px;color:#6e7e60}
.about-page-intro{display:flex;gap:55px;align-items:center;margin-bottom:30px}.about-page-intro .page-heading{padding:0}.about-page-intro .about-mark{width:160px;height:160px}
.prose-layout{display:grid;grid-template-columns:minmax(0,780px) 290px;gap:65px;align-items:start}.prose-layout dt{font-size:13px;color:#738464}.prose-layout dd{margin:4px 0 18px;font-size:16px}
.article{max-width:850px;padding-top:45px}.article h1{font-size:42px;line-height:1.5}.back-link{font-size:15px;color:#64775a}
.article-breadcrumb{display:flex;gap:15px;font-size:14px;color:#6b7a60;padding-top:35px}
.article-layout{display:grid;grid-template-columns:minmax(0,820px) 250px;gap:60px;align-items:start}
.reading-article{max-width:none;padding:30px 0 35px;min-width:0}.article-deck{font-size:19px;line-height:1.9;color:#66765a;margin:0 0 24px}
.article .article-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:14px;color:#6b7a60;padding-bottom:25px;margin-bottom:35px}
.article-content{font-size:var(--reading-size);line-height:2;color:#43543b;overflow-wrap:anywhere}
.article-content h2{font-size:29px;margin-top:38px;margin-bottom:18px;line-height:1.6;color:#2e4826;scroll-margin-top:25px}
.article-content p{margin:22px 0}.article-content li{margin:12px 0}.article-content ul{padding-left:25px}
.article-content pre{font-size:15px;line-height:1.9;padding:25px;overflow-wrap:normal;max-width:100%}
.article-content blockquote{font-size:16px;line-height:1.95;padding:15px 24px;margin:28px 0;color:#4d6540}
.article-sidebar{padding-top:39px;position:sticky;top:24px}.toc{border-left:1px solid #d3dcc7;padding-left:25px}
.toc h3{font-family:var(--serif);font-size:22px;font-weight:normal;margin:10px 0 20px}.toc>a{display:block;font-size:14px;color:#657958;padding:8px 0;line-height:1.8}.toc>a:hover{color:#264920;text-decoration:underline}
.reading-controls{display:flex;gap:10px;align-items:center;margin:25px 0;font-size:13px;color:#697d58}
.reading-controls button{border:1px solid #cbd7bf;background:transparent;border-radius:3px;padding:5px 9px;color:#496738;min-height:36px}
.reading-controls button[aria-pressed=true]{background:#dfe8d2;border-color:#829b6a}
.article-end{display:flex;gap:18px;align-items:center;background:#ecf0e3;padding:22px;margin-top:40px;border-radius:4px;font-size:14px}
.article-end>span{font-size:27px;color:#7e9766}.article-end p{margin:0}.article-end small{font-size:13px;color:#6a7d59}.article-end a{margin-left:auto;color:#4c6c39}
.article-next{font-size:14px;gap:25px;line-height:1.9}.article-next a:last-child{max-width:65%;text-align:right}
.related-section{padding-top:20px;padding-bottom:30px}.related-section .note-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-width:820px}
dialog{width:min(690px,92vw);padding:28px}.search-head{font-size:25px}.search-head button{width:36px;height:36px}
#search-input{font-size:17px;padding:14px}.search-results a{font-size:18px;padding:18px 0}.search-results small{font-size:14px;line-height:1.8;margin-top:7px;color:#64765a}.search-hint{font-size:13px;color:#67775b}
.not-found{min-height:55vh}
@media(max-width:1100px){.header{gap:20px;padding:22px 28px}.brand{font-size:20px}nav{gap:19px}nav a{font-size:15px}.wrap{padding-left:28px;padding-right:28px}.hero h1{font-size:57px}.hero-aside{display:block;margin:17px 0 0}.home-stream{gap:32px;grid-template-columns:minmax(0,1fr) 270px}.lab-inner{gap:35px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-tile p{min-height:0}.article-layout{grid-template-columns:minmax(0,1fr) 210px;gap:35px}.prose-layout{gap:35px;grid-template-columns:minmax(0,1fr) 250px}.card-body{padding:20px}.card-meta{font-size:11px}.tool-card{padding:23px}.tool-card h2{font-size:23px}}
@media(max-width:800px){.header{flex-wrap:wrap;gap:14px}.brand{order:0}.search-toggle{margin-left:auto;order:1}nav{order:2;flex:0 0 100%;justify-content:space-between;border-top:1px solid var(--line);padding-top:12px;gap:16px}.hero{grid-template-columns:1fr 1fr}.hero h1{font-size:50px}.hero p{font-size:16px}.hero-art{transform:scale(.78)}.hero .eyebrow{font-size:12px;letter-spacing:1px}.hero .desktop{display:none}.home-stream{grid-template-columns:1fr}.reading-sidebar{padding:28px}.note-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-inner{grid-template-columns:1fr}.lab-intro h2 br{display:none}.topic-strip .wrap{flex-wrap:wrap;padding-top:15px;padding-bottom:15px;justify-content:start;gap:12px 25px}.topic-strip .wrap>span:first-child{width:100%}.tool-grid{grid-template-columns:1fr}.tool-workbench,.checklist-layout{grid-template-columns:1fr}.tool-card h2{font-size:27px}.tool-top{margin-bottom:20px}.path-steps{grid-template-columns:1fr}.prose-layout{grid-template-columns:1fr}.article-layout{display:flex;flex-direction:column;gap:20px}.article-sidebar{position:static;order:-1;padding-top:20px;width:100%}.toc{padding:20px 24px;background:#ecefe3;border:1px solid #d9e2ce;border-radius:4px;display:flex;flex-wrap:wrap;gap:3px 18px}.toc .eyebrow,.toc h3{width:100%}.toc h3{margin:0 0 7px}.toc>a{padding:3px 0}.reading-controls{margin:10px 0;width:100%}.toc #link-feedback{margin:0;align-self:center}.toc .secondary{font-size:13px}.reading-article{width:100%;padding-top:8px}.footer-columns{grid-template-columns:2fr 1fr 1fr;gap:30px}.footer-columns>div:last-child{grid-column:1 / -1;flex-direction:row;flex-wrap:wrap;gap:8px 24px}.footer-columns>div:last-child strong{width:100%;margin-bottom:0}.about-page-intro{gap:30px}.about-page-intro .about-mark{width:110px;height:110px;font-size:40px}.about-page-intro .about-mark small{bottom:15px;font-size:5px}}
@media(max-width:540px){.wrap{padding-left:22px;padding-right:22px}.header{padding:20px 22px;gap:18px}.brand{font-size:21px}.brand small{font-size:9px}.brand-icon{width:39px;height:43px;font-size:28px}nav{gap:10px;padding-top:13px}nav a{font-size:14px;padding:7px 0}.search-toggle{padding:8px}.search-toggle svg{width:21px}.hero{grid-template-columns:1fr;min-height:0;padding-top:36px;padding-bottom:30px;gap:0}.hero h1{font-size:49px;line-height:1.5;margin:20px 0}.hero p{font-size:16px;line-height:2;margin:26px 0}.hero .eyebrow{font-size:12px;letter-spacing:.4px}.hero-aside{font-size:13px;display:block;margin:17px 0 0}.hero-art{height:338px;margin-top:22px;transform:scale(.82)}.hero-art .paper-back{top:16px}.hero-art .orbit-one{width:330px;height:330px}.art-caption{font-size:9px}.primary{font-size:15px;padding:12px 20px}.topic-strip .wrap{display:flex;font-size:14px;gap:9px 25px;padding-top:18px;padding-bottom:18px}.topic-strip .wrap>span:first-child{font-size:12px}.section{padding-top:40px;padding-bottom:40px}.section-heading{align-items:start;display:flex;flex-direction:column;gap:12px;margin-bottom:23px}h2{font-size:29px}.eyebrow{font-size:11px;letter-spacing:1.4px}.text-link{font-size:14px}.note-grid{grid-template-columns:1fr;gap:23px}.card-art{height:175px}.card-body{padding:23px}.card-body h3{font-size:23px;line-height:1.6}.card-body p{font-size:16px;min-height:0}.card-meta{font-size:12px;gap:9px}.card-category{font-size:13px}.art-corner{font-size:10px}.home-stream{gap:35px}.note-row{gap:15px;align-items:start;padding:23px 0}.note-row h3{font-size:22px}.note-row p{font-size:15px}.row-date{font-size:11px;padding-top:6px;white-space:normal;min-width:72px}.row-date b{display:block;margin:5px 0 0}.reading-sidebar p{font-size:16px}.reading-sidebar ol{font-size:15px}.lab-inner{padding-top:40px;padding-bottom:40px;gap:35px}.lab-intro h2{font-size:30px}.lab-intro p{font-size:16px}.experiment-list h3{font-size:22px}.experiment-list p{font-size:15px;line-height:1.9}.experiment-state{font-size:12px}.experiment-number{font-size:20px}.experiment-list a{gap:14px}.experiment-list .arrow{font-size:21px}.topic-grid,.large-topics{grid-template-columns:1fr}.topic-tile,.large-topics .topic-tile{padding:25px}.topic-tile h3{font-size:27px}.topic-tile p{font-size:16px;min-height:0;margin-bottom:18px}.closing{margin:0 22px;padding:20px 0;gap:12px}.closing p{font-size:15px;line-height:1.8}.closing a{flex-shrink:0}.site-footer{margin-top:40px}.footer-columns{grid-template-columns:1fr 1fr;padding-top:32px;padding-bottom:28px;gap:25px}.footer-columns>div:first-child{grid-column:1 / -1}.footer-columns p{font-size:15px}.footer-columns>div{font-size:14px;gap:9px}.footer-columns>div:last-child{gap:8px 18px}.footer-columns strong{font-size:16px}.site-footer .footer{display:flex;flex-wrap:wrap;font-size:12px;gap:6px 20px;line-height:2}.footer-brand{font-size:24px}.page-heading{padding:5px 0 29px}.page-heading h1{font-size:34px;line-height:1.5;letter-spacing:0;margin:16px 0}.page-heading p{font-size:17px;line-height:1.95}.filters{gap:4px;flex-wrap:wrap}.filters button{font-size:14px;padding:8px 10px}.filter-row{gap:12px;flex-wrap:wrap;align-items:start;padding-bottom:18px}.filter-row>span{font-size:13px}.topic-summary{gap:15px;font-size:14px;flex-wrap:wrap;padding:16px 0}.reading-path{margin-top:35px;padding-top:30px}.reading-path h2{font-size:27px}.reading-path>p{font-size:16px}.path-steps{gap:18px}.path-steps>a{padding:23px}.path-steps h3{font-size:23px}.path-steps p{font-size:16px}.tool-card{padding:25px}.tool-card h2{font-size:27px}.tool-card p{font-size:16px}.tool-form,.tool-output,.checklist-panel{padding:22px}.tool-workbench,.checklist-layout{gap:22px}.tool-form label{font-size:16px}.tool-form textarea{font-size:16px}.tool-actions{gap:9px}.tool-output h2{font-size:25px}.tool-output p{font-size:16px}.tool-output textarea{min-height:300px}.code-input{font-size:14px}.tool-actions button{font-size:14px}.checklist-panel label{font-size:16px!important}legend{font-size:14px}.archive-stats{gap:15px;flex-wrap:wrap;font-size:14px}.archive-stats strong{font-size:25px}.archive-month{padding-top:28px}.archive-month>p{font-size:13px}.about-page-intro{display:block}.about-page-intro .about-mark{margin:0 0 30px;width:90px;height:90px;font-size:34px}.about-page-intro .about-mark small{display:none}.prose-layout{gap:30px}.article{padding:32px 22px 50px}.article h1{font-size:32px;line-height:1.55;margin:15px 0}.article-breadcrumb{padding-top:27px;font-size:14px}.article-layout{padding-left:22px;padding-right:22px}.reading-article{padding:5px 0 30px}.article-deck{font-size:18px}.article .article-meta{font-size:13px;gap:14px;padding-bottom:20px;margin-bottom:25px}.article-content{font-size:var(--reading-size);line-height:2}.article-content h2{font-size:26px;margin-top:32px}.article-content pre{font-size:14px;padding:18px}.article-content blockquote{font-size:16px;padding:13px 18px;margin:25px 0}.toc{padding:19px;gap:2px 13px}.toc h3{font-size:21px}.toc>a{font-size:14px}.reading-controls{font-size:14px}.article-end{gap:12px;flex-wrap:wrap;padding:20px;font-size:14px}.article-end a{width:100%;margin:0}.article-next{font-size:14px;gap:18px}.related-section .note-grid{grid-template-columns:1fr}.related-section{padding-top:0}.search-head{font-size:23px}dialog{padding:22px;width:94vw}#search-input{font-size:16px}.search-results a{font-size:18px}.search-results small{font-size:14px}.search-hint{font-size:13px}.not-found .secondary{margin-top:15px}}

.mobile-reading{display:none}@media(max-width:800px){.article-sidebar{display:none}.mobile-reading{display:block;margin-bottom:28px}.mobile-toc{border:1px solid #d1dcc4;background:#edf1e5;border-radius:4px;padding:14px 18px;font-size:15px;color:#48653a}.mobile-toc summary{cursor:pointer}.mobile-toc a{display:block;padding:8px 0;font-size:15px}.mobile-reading .reading-controls{justify-content:flex-end;font-size:14px;margin:13px 0}}