@font-face{font-family:'Instrument Serif';src:url('/matter/assets/instrument-serif-italic.ttf') format('truetype');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'Instrument Serif';src:url('/matter/assets/instrument-serif-regular.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
.reading-page{--paper:#ebe9e5;--ink:#111110;--accent:#d7ff45;--surface:#dcdad4;--frame:clamp(20px,3.1vw,54px);background:var(--paper);color:var(--ink);font-family:Inter,Arial,sans-serif;font-size:18px;line-height:1.5}
.reading-page :is(h1,h2,h3,p,figure,blockquote){margin:0}
.reading-page a{color:inherit;text-decoration:none}
.reading-page button,.reading-page input{font:inherit;color:inherit}
.reading-page button,.reading-page summary{cursor:pointer}
.reading-page :is(a,button,input,summary):focus-visible{outline:3px solid currentColor;outline-offset:6px}
.reading-page a,.reading-page button{transition:transform .2s ease,color .2s ease,background-color .2s ease}
.reading-page a:active,.reading-page button:active{transform:translateY(2px)}
.reading-page img{display:block;max-width:100%}
.reading-frame{margin-inline:var(--frame)}
.reading-page .visually-hidden,.reading-page .skip-link{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.reading-page .skip-link:focus{position:fixed;z-index:20;left:20px;top:20px;width:auto;height:auto;padding:12px 20px;clip-path:none;background:var(--ink);color:var(--paper)}
.reading-nav{display:flex;justify-content:space-between;gap:32px;padding-block:29px;font-size:16px}
.reading-nav a:hover{ text-decoration:underline;text-underline-offset:5px}
.library-heading{padding-block:40px 70px}
.reading-page h1{font-family:'Instrument Serif',Georgia,serif;font-style:italic;font-weight:400;letter-spacing:-.05em;line-height:.87}
.library-heading h1{font-size:clamp(88px,18.9vw,310px);white-space:nowrap;margin-left:-.018em}
.library-intro{display:flex;justify-content:space-between;gap:60px;margin-top:48px;align-items:end}
.library-intro>p:first-child{font-size:30px;line-height:1.12;letter-spacing:-.035em}
.library-intro>p:last-child{max-width:410px;font-size:18px;line-height:1.5}
.library-toolbar{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-bottom:32px}
.topic-filters{display:flex;flex-wrap:wrap;gap:8px}
.topic-filters button{border:0;border-radius:0;padding:12px 20px;background:transparent;font-size:16px}
.topic-filters button:hover{background:var(--surface)}
.topic-filters button[aria-pressed=true]{background:var(--ink);color:var(--paper)}
.library-search{position:relative;width:270px;flex:none}
.library-search input{width:100%;border:0;border-radius:0;background:var(--surface);padding:13px 45px 13px 18px;font-size:16px;appearance:none}
.library-search input::placeholder{color:#4a4a43;opacity:1}
.library-search>span{position:absolute;right:16px;top:9px;font-size:24px;pointer-events:none}
.library-search:focus-within>span{display:none}
.library-result{font-size:16px;margin-bottom:24px!important}
.library-feature{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);background:var(--ink);color:var(--paper);align-items:stretch;overflow:hidden}
.feature-art{display:block;overflow:hidden;min-height:500px}
.feature-art img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.2,1)}
.feature-art:hover img{transform:scale(1.035)}
.feature-copy{padding:clamp(30px,3.5vw,60px);display:flex;flex-direction:column;align-items:start;justify-content:center}
.entry-meta{font-size:15px;line-height:1.5;margin-bottom:24px!important}
.feature-copy h2{font-family:'Instrument Serif',Georgia,serif;font-weight:400;font-style:italic;font-size:clamp(52px,5.3vw,86px);line-height:.95;letter-spacing:-.04em;max-width:10ch;margin-bottom:26px}
.feature-copy h2 a:hover{color:var(--accent)}
.feature-copy>p:not(.entry-meta):not(.entry-source){font-size:18px;line-height:1.5;max-width:350px}
.entry-source{font-size:14px;line-height:1.5;margin-top:22px!important;max-width:36ch}
.feature-copy .read-link{display:block;padding:13px 20px;margin-top:35px;background:var(--accent);color:var(--ink);font-size:16px}
.read-link:hover{background:var(--paper)}
.shelf-heading{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-block:86px 35px}
.shelf-heading h2{font-size:30px;font-weight:400;letter-spacing:-.035em}
.shelf-heading p{font-size:15px}
.shelf-heading p span{color:#55564e}
.library-entries{display:flex;flex-direction:column;gap:42px}
.library-entry{display:grid;grid-template-columns:240px minmax(0,1fr) 64px;column-gap:42px;align-items:center}
.entry-image{display:block;aspect-ratio:3/2;overflow:hidden;background:var(--surface)}
.entry-image img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.entry-image:hover img{transform:scale(1.055)}
.entry-copy .entry-meta{margin-bottom:10px!important}
.entry-copy h2{font-family:'Instrument Serif',Georgia,serif;font-size:clamp(38px,4.2vw,64px);font-weight:400;line-height:1;letter-spacing:-.035em}
.entry-copy h2 a:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:6px}
.entry-copy>p:not(.entry-meta):not(.entry-source){margin-top:16px;max-width:650px;font-size:17px;line-height:1.4}
.entry-copy .entry-source{font-size:14px;margin-top:15px!important;max-width:65ch}
.entry-arrow{display:grid;place-items:center;width:64px;height:64px;font-size:35px;background:var(--surface);justify-self:end}
.entry-arrow:hover{background:var(--accent);transform:translate(3px,-3px)}
.library-empty{padding-block:75px;text-align:center}
.library-empty h2{font-family:'Instrument Serif',Georgia,serif;font-size:60px;font-weight:400;font-style:italic;line-height:1}
.library-empty p{margin-top:20px}
.library-empty button{border:0;border-radius:0;padding:15px 24px;background:var(--ink);color:var(--paper);margin-top:26px}
.reading-colophon{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-top:110px;padding-block:60px;background:var(--surface);padding-inline:40px}
.reading-colophon>h2{font-family:'Instrument Serif',Georgia,serif;font-size:clamp(45px,5vw,72px);font-style:italic;line-height:1;letter-spacing:-.035em;max-width:8ch}
.reading-colophon>div{max-width:410px;font-size:17px}
.reading-colophon a{display:inline-block;margin-top:24px;text-decoration:underline;text-underline-offset:5px}
.reading-footer{display:flex;justify-content:space-between;align-items:end;gap:30px;padding-block:65px 40px}
.reading-footer>a:first-child{font-family:'Instrument Serif',Georgia,serif;font-size:90px;font-style:italic;line-height:.75;letter-spacing:-.05em}
.reading-footer>a:last-child{font-size:16px}
.reading-footer>a:last-child:hover{text-decoration:underline;text-underline-offset:5px}
/* Detail: a monumental opening, then a quiet reading measure. */
.article-heading{padding-block:54px 46px}
.article-heading h1{font-size:clamp(86px,14.8vw,235px);max-width:none;text-wrap:balance}
.article-deck{display:flex;justify-content:space-between;align-items:end;gap:60px;margin-top:48px}
.article-deck>p{font-size:clamp(23px,2vw,29px);letter-spacing:-.025em;line-height:1.3;max-width:660px}
.article-meta{display:flex;flex-direction:column;gap:5px;font-size:14px;text-align:right;flex:none}
.article-cover{overflow:hidden}
.article-cover img{width:100%;height:auto;max-height:680px;aspect-ratio:2.15;object-fit:cover;object-position:center 55%}
.article-cover figcaption{font-size:14px;padding-top:13px}
.article-layout{display:grid;grid-template-columns:200px minmax(0,820px);justify-content:space-between;column-gap:60px;padding-top:80px;max-width:1300px}
.article-sidebar{position:sticky;top:42px;align-self:start;font-size:15px;max-height:calc(100svh - 70px);overflow:auto;padding:7px 7px 15px}
.article-contents summary{font-size:16px;display:flex;justify-content:space-between;gap:15px;list-style:none}
.article-contents summary::-webkit-details-marker{display:none}
.article-contents:not([open]) summary>span{transform:rotate(-90deg)}
.toc-list{list-style:none;margin:24px 0 0;padding:0;display:flex;flex-direction:column;gap:16px}
.toc-list a{display:block;line-height:1.4}
.toc-list a:hover,.toc-list a[aria-current=true]{text-decoration:underline;text-underline-offset:5px}
.sidebar-source{display:inline-block;margin-top:35px;text-decoration:underline!important;text-underline-offset:5px}
.article-main{min-width:0}
.source-credit{padding:27px 32px;background:var(--surface);margin-bottom:52px;scroll-margin-top:32px}
.source-credit p{font-size:15px;line-height:1.5}
.source-credit p+p{margin-top:12px}
.source-credit a{text-decoration:underline;text-underline-offset:4px}
.source-credit .source-credit-note{font-size:13px;max-width:580px}
.article-body{font-size:19px;line-height:1.65}
.article-body>p,.article-body>ul,.article-body>ol{max-width:680px}
.article-body>p+p,.article-body>p+ul,.article-body>ul+p,.article-body>ol+p{margin-top:25px}
.article-body>p:first-child{font-size:24px;line-height:1.4;letter-spacing:-.025em}
.article-body h2{font-family:'Instrument Serif',Georgia,serif;font-size:clamp(44px,4.2vw,64px);font-weight:400;line-height:1;letter-spacing:-.035em;margin-block:66px 25px;scroll-margin-top:35px;max-width:680px}
.article-body h3{font-size:26px;font-weight:500;line-height:1.2;letter-spacing:-.025em;margin-block:40px 20px;scroll-margin-top:35px}
.article-body a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;overflow-wrap:anywhere}
.article-body a:hover{background:var(--accent)}
.article-body blockquote{padding:30px 35px;margin-block:40px;background:var(--surface);font-size:26px;line-height:1.35;letter-spacing:-.025em}
.article-body ul,.article-body ol{padding-left:24px}
.article-body li+li{margin-top:12px}
.article-body .article-figure{margin-block:42px}
.article-figure img{width:100%;height:auto;max-height:640px;object-fit:cover}
.article-figure figcaption{font-size:14px;line-height:1.5;margin-top:14px}
.article-body code{font-size:.85em;background:var(--surface);padding:2px 5px}
.article-body pre{overflow:auto;background:var(--ink);color:var(--paper);padding:25px;font-size:16px;line-height:1.5}
.article-body pre code{padding:0;background:transparent}
.table-scroll{max-width:100%;overflow:auto;margin-block:30px;scrollbar-color:var(--ink) var(--surface)}
.article-body table{width:100%;border-collapse:collapse;font-size:16px;line-height:1.45;text-align:left}
.article-body th{font-weight:500;background:var(--ink);color:var(--paper)}
.article-body :is(th,td){padding:17px 20px;vertical-align:top;min-width:140px}
.article-body td{background:#dfddd7;border-bottom:3px solid var(--paper)}
.article-body tbody tr:nth-child(even) td{background:#e4e2dc}
.chart-block{background:var(--ink);color:var(--paper);padding:36px;margin-block:40px;overflow:hidden}
.chart-block h3,.chart-block .chart-title{font-family:Inter,Arial,sans-serif;font-size:25px;font-weight:450;line-height:1.2;letter-spacing:-.035em;margin:0 0 15px}
.chart-block .chart-description{font-size:16px;line-height:1.5;max-width:650px}
.chart-block .article-chart{display:block;width:100%;height:auto;margin-block:28px 20px;overflow:visible}
.chart-block .article-chart text{font-family:Inter,Arial,sans-serif;fill:currentColor}
.chart-block .chart-source{font-size:14px}
.chart-block>figure>figcaption,.chart-block figcaption{font-size:14px;margin-top:18px}
.chart-block details{margin-top:22px;font-size:15px}
.chart-block summary{display:inline-flex;padding-block:10px;list-style:none;gap:15px}
.chart-block summary::after{content:'+'}
.chart-block details[open] summary::after{content:'−'}
.chart-block summary::-webkit-details-marker{display:none}
.chart-block a:hover{color:var(--ink)}
.chart-block table{font-size:14px}
.chart-block table :is(th,td){min-width:100px;padding:14px 16px}
.chart-block table th{background:#292a25;color:var(--paper)}
.chart-block table td{color:var(--ink);border-bottom-color:var(--ink)}
.article-end{margin-top:75px;padding:38px;background:var(--accent);display:flex;justify-content:space-between;gap:30px;align-items:end}
.article-end p{font-size:25px;line-height:1.15;letter-spacing:-.03em;max-width:300px}
.article-end>a{font-size:16px;max-width:165px}
.article-end>a>span{display:block;font-size:35px;line-height:1.2}
.article-end>a:hover{text-decoration:underline;text-underline-offset:4px}
.reading-progress{position:fixed;z-index:10;top:0;left:0;right:0;height:4px;pointer-events:none}
.reading-progress span{display:block;width:100%;height:100%;background:#555f18;transform:scaleX(0);transform-origin:left}
/* Home gateway: one visual invitation to the complete reading library. */
.matter-page .learning-gateway{background:#191b16;color:var(--paper);padding-block:85px 70px;overflow:hidden}
.learning-gateway .gateway-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:40px}
.matter-page .gateway-heading h2{font-size:clamp(65px,11.5vw,180px)}
.gateway-heading>p{max-width:245px;font-size:18px;line-height:1.45;padding-bottom:6px}
.gateway-composition{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);align-items:stretch;gap:0}
.gateway-image{display:block;overflow:hidden;min-height:350px}
.matter-page .gateway-image img{width:100%;height:100%;object-fit:cover;aspect-ratio:1.9;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.gateway-image:hover img{transform:scale(1.035)}
.gateway-copy{display:flex;flex-direction:column;justify-content:space-between;padding:35px 0 0 50px;gap:50px}
.matter-page .gateway-copy>p{font-family:'Instrument Serif',Georgia,serif;font-size:clamp(38px,4.5vw,72px);line-height:1;letter-spacing:-.03em;max-width:12ch}
.gateway-link{display:flex;justify-content:space-between;gap:20px;align-items:center;background:var(--accent);color:var(--ink)!important;padding:22px 24px;font-size:18px}
.gateway-link>span{font-size:34px;line-height:1}
.gateway-link:hover{background:var(--paper)}
@media(min-width:1600px){.article-layout{max-width:none;grid-template-columns:240px minmax(0,900px);column-gap:8vw}.article-body>p,.article-body>ul,.article-body>ol{max-width:730px}}
@media(max-width:1050px){
 .library-heading{padding-top:35px}.library-intro{gap:35px}.library-intro>p:first-child{font-size:26px}.library-intro>p:last-child{max-width:340px;font-size:17px}
 .library-feature{grid-template-columns:1.2fr 1fr}.feature-art{min-height:430px}.feature-copy{padding:30px}.feature-copy h2{font-size:58px}.feature-copy>p:not(.entry-meta):not(.entry-source){font-size:17px}
 .library-entry{grid-template-columns:200px minmax(0,1fr) 48px;gap:25px}.entry-arrow{width:48px;height:48px;font-size:28px}.entry-copy h2{font-size:44px}
 .article-layout{grid-template-columns:160px minmax(0,1fr);gap:35px}.article-body{font-size:18px}.article-deck>p{font-size:24px}.article-meta{max-width:210px}.article-sidebar{font-size:14px}
 .chart-block{padding:25px}.article-end{padding:30px}.article-end p{font-size:23px}
 .gateway-copy{padding:26px 0 0 30px;gap:30px}.gateway-image{min-height:300px}.gateway-heading>p{font-size:16px;max-width:200px}
}
@media(min-width:701px) and (max-width:900px){
 .library-toolbar{flex-direction:column;align-items:stretch;gap:18px}.library-search{width:100%}
}
@media(max-width:700px){
 .reading-nav{padding-block:22px;font-size:14px}.reading-nav>span{max-width:125px;text-align:right;line-height:1.4}
 .library-heading{padding-block:32px 40px}.library-heading h1{font-size:18.6vw}.library-intro{display:block;margin-top:32px}.library-intro>p:first-child{font-size:24px}.library-intro>p:last-child{margin-top:23px;max-width:350px;font-size:16px}
 .library-toolbar{flex-direction:column;align-items:stretch;gap:18px;margin-bottom:24px}.topic-filters{gap:2px}.topic-filters button{font-size:14px;padding:10px 13px}.library-search{width:100%}.library-search input{padding-block:13px}
 .library-feature{display:flex;flex-direction:column}.feature-art{min-height:0;aspect-ratio:1.4}.feature-copy{padding:29px 25px 32px}.feature-copy h2{font-size:61px;max-width:11ch}.entry-meta{font-size:14px;margin-bottom:20px!important}.feature-copy>p:not(.entry-meta):not(.entry-source){font-size:16px}.feature-copy .entry-source{font-size:13px}.feature-copy .read-link{margin-top:26px}
 .shelf-heading{margin-block:45px 28px;display:block}.shelf-heading h2{font-size:25px}.shelf-heading p{font-size:14px;margin-top:10px}.library-entries{gap:36px}
 .library-entry{grid-template-columns:105px minmax(0,1fr);gap:18px;align-items:start;position:relative}.entry-image{aspect-ratio:.8}.entry-copy h2{font-size:35px}.entry-copy .entry-meta{font-size:13px;margin-bottom:10px!important}.entry-copy>p:not(.entry-meta):not(.entry-source){font-size:15px;line-height:1.4;margin-top:14px}.entry-copy .entry-source{font-size:13px;margin-top:12px!important}.entry-arrow{grid-column:1;grid-row:2;width:105px;height:42px;justify-self:start;font-size:26px}.entry-copy{grid-column:2;grid-row:1 / 3}
 .reading-colophon{display:block;padding:30px 25px;margin-top:65px}.reading-colophon>h2{font-size:50px}.reading-colophon>div{margin-top:30px;font-size:16px}.reading-footer{padding-block:45px 32px}.reading-footer>a:first-child{font-size:68px}.reading-footer>a:last-child{font-size:14px}
 .article-heading{padding-block:35px 30px}.article-heading h1{font-size:20vw;max-width:11ch;line-height:.92}.article-deck{display:block;margin-top:30px}.article-deck>p{font-size:22px;line-height:1.3}.article-meta{margin-top:25px;text-align:left;font-size:13px;max-width:none;display:flex;flex-direction:row;flex-wrap:wrap;gap:5px 15px}.article-meta time{width:100%}
 .article-cover img{aspect-ratio:1.25;max-height:none}.article-cover figcaption{font-size:13px;max-width:270px}
 .article-layout{display:block;padding-top:38px}.article-sidebar{position:static;max-height:none;margin-bottom:32px;padding:0}.article-contents summary{background:var(--surface);padding:15px 18px;font-size:15px}.toc-list{margin:20px 18px;gap:12px;font-size:14px}.sidebar-source{display:none}
 .source-credit{padding:22px;margin-bottom:32px}.source-credit p{font-size:14px}.source-credit .source-credit-note{font-size:13px}.article-body{font-size:17px;line-height:1.65}.article-body>p:first-child{font-size:22px}.article-body h2{font-size:42px;margin-block:45px 22px}.article-body h3{font-size:24px}.article-body blockquote{font-size:23px;padding:25px}.article-body .article-figure{margin-block:32px}.article-figure figcaption{font-size:13px}
 .article-body table{font-size:14px}.article-body :is(td,th){padding:13px 15px;min-width:140px}.chart-block{padding:24px 18px;margin-block:30px}.chart-block h3,.chart-block .chart-title{font-size:23px}.chart-block .chart-description{font-size:14px}.chart-block .article-chart{min-width:0}.chart-block .chart-source,.chart-block figcaption{font-size:13px}.chart-block details{font-size:14px}
 .article-end{display:block;padding:25px;margin-top:45px}.article-end p{font-size:24px}.article-end>a{display:flex;max-width:none;justify-content:space-between;align-items:center;margin-top:26px;font-size:16px}.article-end>a>span{font-size:30px}
 .matter-page .learning-gateway{padding-block:55px}.learning-gateway .gateway-heading{display:block;margin-bottom:28px}.matter-page .gateway-heading h2{font-size:18vw}.gateway-heading>p{font-size:16px;max-width:260px;margin-top:25px}.gateway-composition{display:block}.gateway-image{min-height:0}.matter-page .gateway-image img{aspect-ratio:1.35}.gateway-copy{padding:27px 0 0;gap:30px}.matter-page .gateway-copy>p{font-size:43px;max-width:15ch}.gateway-link{padding:18px 22px;font-size:17px}
}
@media(max-width:360px){.topic-filters button{padding-inline:10px;font-size:13px}.library-entry{grid-template-columns:82px minmax(0,1fr);gap:15px}.entry-arrow{width:82px}.entry-copy h2{font-size:30px}.feature-copy h2{font-size:53px}.article-heading h1{font-size:19.5vw}}
@media(prefers-reduced-motion:reduce){.reading-page a,.reading-page button,.feature-art img,.entry-image img,.matter-page .gateway-image img{transition:none}.feature-art:hover img,.entry-image:hover img,.gateway-image:hover img,.entry-arrow:hover,.reading-page a:active,.reading-page button:active{transform:none}}
.chart-block .chart-zero{stroke:#91938a;stroke-width:1.4}
.chart-block .chart-bar{fill:var(--accent)}
.chart-block .chart-bar-negative{fill:var(--paper)}
.chart-block .chart-line{stroke:var(--accent);stroke-width:3}
.chart-block .chart-dot{fill:var(--accent)}
.chart-block .chart-grid{stroke:#45473f;stroke-width:1}
.chart-block .chart-label,.chart-block .chart-value{font-size:20px}
.chart-block .chart-axis-label{font-size:15px}
.chart-block .chart-value{font-weight:500}
.chart-scroll{overflow:auto}
.chart-block .chart-scroll:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.toc-subheading{padding-left:14px}

.reading-colophon>h2{font-weight:400}
.reading-page .article-cover{margin-inline:var(--frame)}
.feature-copy .entry-meta{margin-top:0;margin-bottom:20px!important}
.entry-copy .entry-meta{margin-top:12px!important;margin-bottom:0!important}
@media(max-width:700px){.library-intro>p:last-child{font-size:18px}.topic-filters{gap:0}.topic-filters button{padding-inline:11px}.chart-block .chart-label,.chart-block .chart-value{font-size:23px}.chart-block .chart-axis-label{font-size:20px}.chart-block .article-chart-line{min-width:600px}.article-body .table-scroll table{min-width:100%}.table-scroll::after{content:'Scroll to read the full table';display:block;font-size:13px;margin-top:12px;position:sticky;left:0}.chart-data .table-scroll::after{content:none}}

.article-cover figcaption:empty{display:none}
@media(max-width:480px){.chart-block .chart-label,.chart-block .chart-value{font-size:28px}}

.reading-colophon>h2{font-size:clamp(62px,8vw,115px);max-width:10ch}
@media(max-width:700px){.reading-colophon>h2{font-size:66px}}