:root{--ink:#162f3b;--muted:#53656d;--teal:#00695f;--paper:#fafbf8;--line:#ccd4d1;--wash:#edf2ed;--navy:#123b4a;--coral:#b54f36;--serif:Georgia,'Times New Roman',serif;--sans:Arial,Helvetica,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:4px}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img{max-width:100%;display:block}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #be6945;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.16}h1,h2,h3{font-family:var(--serif);font-weight:normal}p{margin-bottom:1.15em}.wrap{max-width:1260px;margin:0 auto;padding:0 36px}.skip-link{position:absolute;left:12px;top:-100px;padding:12px;background:white;z-index:100}.skip-link:focus{top:8px}.utility{border-bottom:1px solid var(--line);font-size:10px;font-weight:bold;letter-spacing:1.25px}.utility-inner{min-height:35px;display:flex;justify-content:space-between;align-items:center;gap:20px}.utility-divider{color:#9aaba9;padding:0 12px}.utility a{font-size:11px;letter-spacing:.2px;font-weight:normal}.masthead{display:flex;align-items:center;justify-content:space-between;min-height:131px}.brand{display:flex;align-items:center;gap:17px}.brand:hover{text-decoration:none}.brand-symbol{display:block;background:var(--navy);color:#f4f6ec;font-family:var(--serif);font-size:64px;line-height:1;width:73px;height:76px;text-align:center;padding-top:0}.brand-name{display:block;font-family:var(--serif);font-size:37px;line-height:1;letter-spacing:.5px;font-weight:bold}.brand-description{display:block;font-size:12px;font-weight:bold;letter-spacing:3.4px;margin-top:11px}.masthead-note{font-family:var(--serif);font-size:17px;line-height:1.45;color:var(--muted);margin:0;border-left:1px solid var(--line);padding-left:24px}.menu-toggle{display:none}.nav-shell{border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.nav-inner{display:flex;justify-content:space-between;align-items:stretch;gap:20px}.nav-links{display:flex;align-items:center;gap:29px;min-height:52px}.nav-links>a{font-size:13px;font-weight:bold;white-space:nowrap;line-height:52px}.nav-links>[aria-current=page]{color:var(--teal)}.nav-search{font-size:12px;display:flex;align-items:center;gap:9px;border-left:1px solid var(--line);padding-left:24px}.edition-line{display:flex;justify-content:space-between;gap:20px;font-size:10px;font-weight:bold;letter-spacing:1.2px;margin:26px 0 24px}.edition-line>span:last-child{color:var(--muted);font-weight:normal}.lead-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:36px;border-bottom:1px solid var(--ink);padding-bottom:34px}.lead-story{min-width:0}.lead-visual{position:relative;background:#e7eeeb;overflow:hidden}.lead-visual img{width:100%;height:auto;aspect-ratio:1.94;object-fit:cover}.lead-visual>a:hover img{opacity:.95}.image-label{position:absolute;left:0;bottom:0;background:var(--navy);color:white;font-size:9px;letter-spacing:1.4px;padding:7px 12px}.lead-copy{padding-top:21px}.kicker{display:block;font-size:10px;font-weight:bold;letter-spacing:1.6px;text-transform:uppercase;line-height:1.6;color:var(--teal);margin-bottom:9px}.lead-copy h1{font-size:43px;line-height:1.09;font-weight:normal;letter-spacing:-1.1px;margin:8px 0 16px}.lead-copy>p{font-size:16px;color:var(--muted);line-height:1.55;margin-bottom:20px;max-width:680px}.lead-bottom{display:flex;justify-content:space-between;align-items:center;gap:14px}.story-meta{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:11px;line-height:1.6}.meta-dot{color:#94a39f}.text-link{font-size:12px;font-weight:bold;white-space:normal}.text-link span{padding-left:5px}.lead-sidebar{border-left:1px solid var(--line);padding-left:30px;display:flex;flex-direction:column}.ruled-label{font-family:var(--sans);font-size:10px;letter-spacing:1.5px;font-weight:bold;display:block;padding-bottom:13px;border-bottom:3px solid var(--ink);margin-bottom:0}.focus-story{display:flex;gap:13px;padding:27px 0;border-bottom:1px solid var(--line)}.focus-number{font-family:var(--serif);font-size:23px;color:#7c9696;line-height:1.1}.focus-story h3{font-size:23px;line-height:1.2;margin:4px 0 13px}.focus-story .kicker{font-size:9px;letter-spacing:1.3px}.all-stories{display:flex;justify-content:space-between;gap:15px;font-size:12px;font-weight:bold;padding:21px 0 0;margin-top:auto}.topic-ribbon{display:flex;align-items:center;flex-wrap:wrap;gap:9px 18px;border-bottom:1px solid var(--line);padding:23px 0;font-size:11px}.topic-ribbon>span{font-size:9px;letter-spacing:1px;color:var(--muted);font-weight:bold;margin-right:4px}.topic-ribbon>a{white-space:nowrap}.topic-ribbon>a>span{color:var(--teal);font-size:10px}.section-block{padding:48px 0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:3px solid var(--ink);padding-top:17px;margin-bottom:25px}.section-heading h2{font-size:31px;letter-spacing:-.7px;margin:0}.story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.story-card{min-width:0;display:flex;flex-direction:column}.card-image{overflow:hidden;display:block;margin-bottom:18px;background:#e6eeea}.card-image img{aspect-ratio:1.65;object-fit:cover;width:100%;height:auto;transition:transform .25s ease}.card-image:hover img{transform:scale(1.025)}.story-card h3{font-size:25px;line-height:1.18;letter-spacing:-.3px;margin:0 0 12px}.story-card .kicker{font-size:9px;margin-bottom:7px}.story-card p{font-size:13px;line-height:1.65;color:var(--muted);margin-bottom:18px}.story-card .story-meta{margin-top:auto}.lab-promo{background:var(--navy);color:#f6f8f1;display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center;padding:35px 40px;margin:8px 0 10px;position:relative}.lab-art{min-width:0}.lab-art svg{display:block;width:100%}.light{color:#9ee2d3}.lab-promo h2{font-size:33px;line-height:1.12;letter-spacing:-.6px;margin:8px 0 13px}.lab-promo p{color:#ccdcd9;font-size:13px;line-height:1.65;max-width:420px}.light-link{color:#c3eee2;font-size:12px;font-weight:bold}.foundations-panel{display:grid;grid-template-columns:1fr 1.35fr;gap:65px;background:var(--wash);padding:36px 40px}.foundations-intro h2{font-size:33px;letter-spacing:-.7px;margin:11px 0 13px}.foundations-intro p{font-size:14px;color:var(--muted);max-width:350px}.foundations-list>a{display:grid;grid-template-columns:30px 1fr 15px;gap:14px;align-items:start;padding:23px 0;border-top:1px solid #bccbc4}.foundations-list>a:first-child{border-top:2px solid var(--ink)}.foundations-list>a>span{font-family:var(--serif);font-size:21px;color:var(--teal)}.foundations-list h3{font-size:22px;margin:0}.editor-note{padding:44px 0 50px;display:grid;grid-template-columns:1fr 2fr 1fr;gap:30px;align-items:start}.editor-note .kicker{font-size:9px;margin-top:5px}.editor-note p{font-family:var(--serif);font-size:20px;line-height:1.5;margin:0}.editor-note .text-link{text-align:right;margin-top:6px}.footer{background:#e9eeea;border-top:1px solid #bdcbc4;margin-top:20px}.footer-main{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-top:42px;padding-bottom:37px}.footer-brand{font-family:var(--serif);font-weight:bold;font-size:24px;letter-spacing:.3px}.footer-brand span{font-family:var(--sans);font-weight:normal;font-size:10px;letter-spacing:2px;text-transform:uppercase;display:block;margin-top:6px}.footer-main p{font-size:12px;color:var(--muted);margin-top:18px}.footer-main h2{font-family:var(--sans);font-weight:bold;font-size:11px;text-transform:uppercase;letter-spacing:1px;margin-bottom:15px}.footer-main>div>a:not(.footer-brand){display:block;font-size:12px;margin-bottom:8px}.footer-bottom{font-size:10px;color:var(--muted);border-top:1px solid #c8d2cc;display:flex;justify-content:space-between;gap:25px;padding-top:15px;padding-bottom:20px}.page-space{padding-top:25px;padding-bottom:40px}.breadcrumb{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--muted);margin-bottom:38px;flex-wrap:wrap}.breadcrumb a{text-decoration:underline;text-underline-offset:3px}.breadcrumb>span{color:#9da9a4}.page-heading{max-width:900px;margin-bottom:38px}.page-heading h1{font-size:58px;line-height:1.05;letter-spacing:-1.7px;margin:12px 0 18px}.page-heading>p{font-family:var(--serif);font-size:22px;line-height:1.5;color:var(--muted);max-width:800px}.library-controls{display:grid;grid-template-columns:2fr 1.1fr 1.1fr auto;gap:15px;align-items:end;padding:24px;background:var(--wash);border-top:2px solid var(--ink);margin-bottom:24px}.library-controls:has(>div:nth-child(3):last-of-type):not(:has(#topic)){grid-template-columns:2fr 1fr auto}label{display:block;font-size:11px;font-weight:bold;margin-bottom:7px}input[type=search],select{width:100%;min-width:0;min-height:44px;border:1px solid #a4b6b0;background:white;border-radius:0;padding:9px 11px;color:var(--ink);font-size:13px}select{padding-right:25px}.button{display:inline-flex;justify-content:center;align-items:center;gap:13px;padding:13px 20px;min-height:44px;border:1px solid var(--navy);background:var(--navy);color:white;font-size:12px;line-height:1.4;font-weight:bold}.button:hover{background:#1e5461;text-decoration:none}.button.secondary{background:transparent;color:var(--ink)}.results-line{display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:12px;color:var(--muted);margin-bottom:25px}.results-line p{margin:0}.results-line>a{font-size:11px;text-decoration:underline}.results-line>span{font-size:11px}.library-grid{row-gap:38px}.library-grid>.story-card{border-bottom:1px solid var(--line);padding-bottom:25px}.pagination{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:2px solid var(--ink);padding-top:23px;margin-top:25px;font-size:13px}.pagination>span{font-size:12px;color:var(--muted)}.empty-state{padding:70px 0;text-align:center;max-width:800px;margin:auto}.empty-state h1{font-size:49px}.empty-state h2{font-size:30px}.empty-state>p{color:var(--muted)}.empty-state .text-link{display:block;margin-top:22px}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 45px}.topic-tile{position:relative;display:block;padding:29px 0 32px 53px;border-top:1px solid var(--line)}.topic-tile:hover{text-decoration:none}.topic-tile:hover h2{text-decoration:underline;text-underline-offset:4px}.topic-number{font-family:var(--serif);font-size:23px;color:var(--teal);position:absolute;left:0;top:30px}.topic-tile h2{font-size:29px;margin:0 0 12px}.topic-tile p{color:var(--muted);font-size:14px;max-width:440px}.topic-tile>span:last-child{font-size:11px;font-weight:bold;display:flex;gap:18px}.article-heading{max-width:960px;margin:0 0 39px 0}.article-heading>h1{font-size:53px;line-height:1.08;letter-spacing:-1.25px;margin:12px 0 22px}.article-deck{font-family:var(--serif);font-size:23px;line-height:1.5;color:var(--muted);max-width:900px;margin-bottom:25px}.article-byline{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;display:flex;align-items:center;gap:12px;font-size:12px}.byline-avatar{width:36px;height:36px;border:1px solid var(--teal);color:var(--teal);font-size:30px;line-height:30px;text-align:center;font-family:var(--serif)}.article-byline strong{font-size:11px}.article-byline>span:nth-child(2)>span{display:block;font-size:10px;color:var(--muted);margin-top:2px}.evidence-tag{font-size:9px;text-transform:uppercase;letter-spacing:.8px;border:1px solid #aabfb2;color:var(--teal);padding:6px 10px;margin-left:auto;text-align:center}.article-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:49px;max-width:1090px}.article-toc{position:sticky;align-self:start;top:25px;padding-top:8px}.article-toc .ruled-label{font-size:9px;padding-bottom:11px;border-bottom-width:2px}.article-toc ol{list-style:none;padding:0;margin:11px 0 20px;font-size:11px;line-height:1.5}.article-toc li{border-bottom:1px solid var(--line);padding:10px 0}.print-button{background:none;padding:0;border:0;font-size:11px;color:var(--muted);text-decoration:underline;text-underline-offset:3px}.article-body{min-width:0;font-family:var(--serif);font-size:19px;line-height:1.8}.article-body p{margin:0 0 1.4em}.article-body h2{font-size:29px;line-height:1.25;margin:1.4em 0 .65em;letter-spacing:-.4px}.article-figure{margin:0 0 30px}.article-figure img{width:100%;height:auto;aspect-ratio:1.5;object-fit:contain;background:var(--wash)}figcaption{font-family:var(--sans);font-size:10px;color:var(--muted);line-height:1.6;border-bottom:1px solid var(--line);padding:11px 0}.article-opening{font-size:22px;line-height:1.65}.citation{font-family:var(--sans);font-size:9px;vertical-align:super;color:var(--teal);white-space:nowrap;font-weight:bold}.references{margin:42px 0 30px;border-top:2px solid var(--ink);padding-top:24px}.references h2{font-size:27px;margin:5px 0 20px}.references ol{padding-left:19px;font-family:var(--sans);font-size:13px;line-height:1.6}.references li{padding:0 0 16px 7px}.references a{color:var(--teal);text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}.references li>span{display:block;font-size:10px;color:var(--muted);margin-top:5px}.article-endnote{font-family:var(--sans);font-size:10px;color:var(--muted);padding:20px;border:1px solid var(--line);line-height:1.6}.article-endnote p{margin:0 0 8px}.article-endnote p:last-child{margin-bottom:0}.article-endnote a{text-decoration:underline}.prose{font-family:var(--serif);font-size:19px;line-height:1.8;max-width:750px;min-width:0}.prose h2{font-size:30px;line-height:1.25;margin:32px 0 15px}.prose h2:first-child{margin-top:0}.prose a:not(.button){color:var(--teal);text-decoration:underline;text-underline-offset:3px}.prose .button{font-family:var(--sans);font-size:12px}.about-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(0,1fr);gap:65px}.about-aside{background:var(--wash);align-self:start;min-width:0}.about-aside>div{padding:28px}.about-aside>div>strong{font-size:49px;font-family:var(--serif);line-height:1.2;display:block;margin-top:20px;font-weight:normal}.about-aside>div>p{font-size:12px;color:var(--muted);margin-bottom:25px}.about-aside img{width:100%;height:auto}.policy-prose{max-width:800px}.evidence-definitions{font-family:var(--sans);font-size:13px;background:var(--wash);padding:24px;line-height:1.65}.evidence-definitions dt{font-weight:bold;color:var(--teal);margin-top:15px}.evidence-definitions dt:first-child{margin-top:0}.evidence-definitions dd{margin:6px 0 0}.source-directory{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 42px}.source-directory>article{border-top:1px solid var(--line);padding:25px 0}.source-directory h2{font-size:24px;line-height:1.25}.source-directory p{font-size:13px;color:var(--muted)}.archive-intro{background:var(--wash);border-top:2px solid var(--ink);padding:24px;font-size:13px;line-height:1.7;margin-bottom:30px}.archive-intro>p{max-width:850px}.archive-intro>a{color:var(--teal);font-weight:bold;font-size:12px}.archive-search{max-width:700px;margin-bottom:25px}.archive-search>div{display:flex;gap:12px}.archive-search input{flex:1}.archive-list{border-top:1px solid var(--line)}.archive-list>article{border-bottom:1px solid var(--line);padding:25px 0;max-width:100%}.archive-kind{font-size:9px;font-weight:bold;letter-spacing:1px;text-transform:uppercase;color:var(--teal);margin-bottom:10px}.archive-list h2{font-size:25px;margin-bottom:12px;max-width:1000px;overflow-wrap:anywhere}.archive-list p{font-size:13px;color:var(--muted);max-width:950px}.archive-record-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;font-size:10px;color:var(--muted)}.archive-record-meta code{display:block;font-size:10px;overflow-wrap:anywhere;max-width:100%}.archive-entry-heading h1{font-size:45px;overflow-wrap:anywhere}.archive-detail-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:50px}.record-card{min-width:0;align-self:start;border-top:3px solid var(--ink);background:var(--wash);padding:24px;font-size:12px}.record-card h2{font-size:23px}.record-card>code{display:block;background:#e2e9e2;padding:12px;font-size:10px;overflow-wrap:anywhere}.record-card dl{font-size:11px;line-height:1.6}.record-card dt{font-weight:bold;margin-top:16px}.record-card dd{margin:4px 0 0;color:var(--muted)}.record-card h3{font-family:var(--sans);font-size:11px;margin-top:25px}.record-card ul{padding-left:15px;color:var(--muted);font-size:10px;line-height:1.7}.record-card li{padding-bottom:8px;overflow-wrap:anywhere}.wave-lab{border:1px solid var(--line);margin-bottom:40px}.wave-display{background:var(--navy);padding:25px 30px;color:#eff6ed}.wave-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px}.wave-toolbar h2{font-family:var(--sans);font-size:12px;letter-spacing:1px;text-transform:uppercase;font-weight:bold;margin:0}.wave-toolbar button{background:transparent;border:1px solid #779999;color:#e5f5ef;font-size:11px;padding:7px 11px}.wave-display>svg{display:block;width:100%;height:auto;min-height:150px}.wave-readings{display:flex;justify-content:space-around;gap:15px;padding:20px 0 5px}.wave-readings span{font-size:10px;color:#b1cfca;display:block;margin-bottom:5px}.wave-readings strong{font-family:var(--serif);font-size:25px;font-weight:normal}.wave-controls{padding:27px 30px;display:grid;grid-template-columns:1fr 1fr auto;gap:40px;align-items:end;background:var(--wash)}.wave-controls label span{font-weight:normal;color:var(--muted);font-size:10px;margin-left:6px}input[type=range]{accent-color:var(--teal);width:100%;height:24px;display:block;margin:12px 0 0}.lab-explanation{display:grid;grid-template-columns:1fr 1fr;gap:55px}.lab-explanation h2{font-size:28px}.lab-explanation p{font-size:15px;color:var(--muted);line-height:1.8}.lab-explanation .equation{font-family:var(--serif);font-size:22px;color:var(--ink);padding:19px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.lab-explanation .lab-reference{font-size:11px;margin-top:25px}.lab-reference a{color:var(--teal);text-decoration:underline}.lab-noscript{padding:20px}
@media(min-width:1500px){.wrap{max-width:1330px}.lead-visual img{aspect-ratio:2}.lead-copy h1{font-size:47px}.nav-links{gap:36px}}
@media(max-width:1050px){.wrap{padding-left:25px;padding-right:25px}.nav-links{gap:18px}.nav-links>a{font-size:11px}.nav-search{padding-left:15px}.lead-layout{gap:25px;grid-template-columns:minmax(0,1.75fr) minmax(0,1fr)}.lead-sidebar{padding-left:23px}.lead-copy h1{font-size:35px}.focus-story h3{font-size:21px}.focus-story{padding:21px 0}.story-grid{gap:22px}.story-card h3{font-size:23px}.library-controls{grid-template-columns:2fr 1fr 1fr}.library-controls .button{grid-column:1/-1}.article-layout{grid-template-columns:170px minmax(0,1fr);gap:33px}.article-toc{padding-top:3px}.article-heading>h1{font-size:47px}.editor-note{grid-template-columns:1fr 2fr}.editor-note>.text-link{grid-column:2;text-align:left;margin-top:-12px}.about-layout{gap:35px}.lab-promo{padding:30px}.wave-controls{gap:25px}}
@media(max-width:760px){.wrap{padding-left:20px;padding-right:20px}.utility-inner{min-height:31px;font-size:8px;letter-spacing:.8px}.utility-inner>a{display:none}.utility-divider{padding:0 7px}.masthead{min-height:108px}.brand{gap:12px}.brand-symbol{width:55px;height:59px;font-size:49px}.brand-name{font-size:27px}.brand-description{font-size:9px;letter-spacing:2.55px;margin-top:9px}.masthead-note{display:none}.menu-toggle{display:block;background:none;border:1px solid var(--line);padding:8px 10px;font-size:11px}.menu-toggle>span{margin-left:5px}.nav-shell .nav-inner{display:none}.nav-shell.is-open .nav-inner{display:block;padding-top:10px;padding-bottom:15px}.nav-links{flex-wrap:wrap;gap:0 24px;align-items:start}.nav-links>a{font-size:12px;line-height:40px}.nav-search{padding:10px 0 0;border-left:0;border-top:1px solid var(--line);margin-top:10px}.edition-line{font-size:8px;letter-spacing:.8px;gap:12px;margin:21px 0}.edition-line>span:last-child{text-align:right;max-width:140px;font-size:8px}.lead-layout{display:block;padding-bottom:26px}.lead-visual img{aspect-ratio:1.65}.image-label{font-size:7px;letter-spacing:1.1px;padding:6px 9px}.lead-copy{padding-top:17px}.lead-copy h1{font-size:36px;letter-spacing:-.9px;line-height:1.09;margin-bottom:15px}.lead-copy>p{font-size:15px;line-height:1.65}.lead-bottom{align-items:start}.text-link{font-size:11px}.lead-sidebar{border-left:0;border-top:1px solid var(--line);padding:0;margin-top:27px}.lead-sidebar>.ruled-label{margin-top:23px;font-size:9px}.focus-story{padding:19px 0;gap:15px}.focus-story h3{font-size:23px;margin-top:3px}.focus-story .kicker{font-size:8px}.focus-number{font-size:20px}.all-stories{padding-top:18px;font-size:11px}.topic-ribbon{gap:11px 18px;font-size:10px;padding:21px 0}.topic-ribbon>span{width:100%;font-size:8px;margin-bottom:3px}.section-block{padding:32px 0}.section-heading{margin-bottom:22px;padding-top:15px}.section-heading h2{font-size:27px;letter-spacing:-.5px}.story-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:27px 20px}.story-card h3{font-size:23px}.story-card p{font-size:12px;line-height:1.6}.story-card .kicker{font-size:8px;letter-spacing:1.1px}.card-image{margin-bottom:14px}.card-image img{aspect-ratio:1.4}.story-meta{font-size:10px;gap:5px;flex-wrap:wrap}.section-block>.story-grid>.story-card:last-child:nth-child(3){display:none}.lab-promo{grid-template-columns:1fr;gap:8px;padding:25px 25px 30px;margin:8px 0}.lab-art{max-height:150px;overflow:hidden}.lab-art>svg{max-height:150px}.lab-promo h2{font-size:31px;max-width:400px}.lab-promo p{font-size:13px}.lab-promo .kicker{font-size:8px}.foundations-panel{display:block;padding:28px 25px}.foundations-intro h2{font-size:30px}.foundations-intro p{font-size:13px}.foundations-list{margin-top:27px}.foundations-list>a{padding:20px 0;gap:10px}.foundations-list h3{font-size:22px}.editor-note{display:block;padding:30px 0}.editor-note .kicker{margin-bottom:13px}.editor-note p{font-size:21px;line-height:1.5}.editor-note>.text-link{display:block;margin-top:19px;text-align:left}.footer{margin-top:10px}.footer-main{grid-template-columns:1fr 1fr;gap:28px 20px;padding-top:30px;padding-bottom:24px}.footer-main>div:first-child{grid-column:1/-1;border-bottom:1px solid #c8d2cc;padding-bottom:10px}.footer-main p{font-size:11px;line-height:1.7}.footer-brand{font-size:23px}.footer-main h2{font-size:9px;letter-spacing:.8px}.footer-main>div>a:not(.footer-brand){font-size:11px;margin-bottom:9px}.footer-bottom{display:block;font-size:9px;padding-top:14px;padding-bottom:18px;line-height:1.7}.footer-bottom>span{display:block}.footer-bottom>span+span{margin-top:7px}.page-space{padding-top:21px;padding-bottom:25px}.breadcrumb{font-size:10px;margin-bottom:28px;gap:8px}.page-heading{margin-bottom:27px}.page-heading h1{font-size:43px;letter-spacing:-1.3px}.page-heading>p{font-size:20px;line-height:1.5}.page-heading>.kicker{font-size:9px}.library-controls{grid-template-columns:1fr 1fr;gap:15px 12px;padding:18px}.library-controls .search-field{grid-column:1/-1}.library-controls:not(:has(#topic)){grid-template-columns:1fr}.library-controls .button{grid-column:1/-1}label{font-size:10px}.library-controls input,.library-controls select{font-size:12px}.results-line{font-size:11px;align-items:start;margin-bottom:22px}.results-line>span{font-size:9px;text-align:right;max-width:140px}.library-grid{row-gap:26px}.library-grid>.story-card{padding-bottom:20px}.pagination{font-size:11px}.pagination>span{font-size:10px}.topic-grid{display:block}.topic-tile{padding:25px 0 25px 42px}.topic-number{top:26px;font-size:21px}.topic-tile h2{font-size:28px}.topic-tile p{font-size:13px}.article-heading>h1{font-size:39px;line-height:1.1;letter-spacing:-1px}.article-deck{font-size:21px;line-height:1.5}.article-byline{gap:10px;flex-wrap:wrap;padding:14px 0}.article-byline>span:nth-child(2)>span{font-size:9px}.evidence-tag{margin-left:0;max-width:100%;font-size:8px;padding:5px 8px}.article-layout{display:flex;flex-direction:column;gap:25px}.article-toc{position:static;width:100%;padding:0}.article-toc .ruled-label{border-bottom-width:1px;margin:0}.article-toc ol{display:flex;flex-wrap:wrap;gap:0 18px;margin-bottom:8px}.article-toc li{padding:8px 0;border-bottom:0;font-size:10px}.article-toc li:last-child{display:none}.print-button{font-size:10px}.article-body{font-size:18px;line-height:1.8}.article-body h2{font-size:28px;line-height:1.25;margin-top:32px}.article-opening{font-size:21px;line-height:1.65}.article-figure{margin-bottom:25px}.article-figure img{aspect-ratio:1.5}.article-figure figcaption{font-size:9px}.references ol{font-size:12px}.article-endnote{font-size:9px;padding:16px}.about-layout{display:flex;flex-direction:column;gap:30px}.prose{font-size:18px}.prose h2{font-size:29px}.about-aside{width:100%;display:grid;grid-template-columns:1fr 1fr;align-items:center}.about-aside>div{padding:22px 15px}.about-aside>div>strong{font-size:37px;margin-top:12px}.about-aside>div>p{font-size:11px;margin-bottom:14px}.about-aside .kicker{font-size:8px}.source-directory{display:block}.source-directory h2{font-size:25px}.archive-intro{font-size:12px;padding:20px}.archive-search>div{gap:9px}.archive-search .button{padding:10px 15px}.archive-list h2{font-size:24px}.archive-record-meta{font-size:9px}.archive-record-meta code{font-size:9px}.archive-entry-heading h1{font-size:37px}.archive-detail-layout{display:flex;flex-direction:column;gap:30px}.record-card{width:100%}.wave-display{padding:20px 15px}.wave-toolbar h2{font-size:9px}.wave-toolbar button{font-size:10px;padding:6px 8px}.wave-readings{gap:10px;padding-top:12px}.wave-readings strong{font-size:20px}.wave-readings span{font-size:8px}.wave-controls{grid-template-columns:1fr;gap:20px;padding:22px}.wave-controls .button{justify-self:start}.lab-explanation{display:block}.lab-explanation>div+div{margin-top:35px}.lab-explanation h2{font-size:28px}.lab-explanation p{font-size:14px}.empty-state h1{font-size:38px}}
@media(max-width:420px){.wrap{padding-left:17px;padding-right:17px}.brand-name{font-size:24px}.brand-description{font-size:8px;letter-spacing:2.3px}.brand-symbol{width:47px;height:53px;font-size:44px}.brand{gap:10px}.menu-toggle{font-size:10px;padding:7px 8px}.lead-copy h1{font-size:33px}.story-grid{grid-template-columns:1fr}.story-card h3{font-size:28px}.story-card p{font-size:13px}.card-image img{aspect-ratio:1.7}.section-block>.story-grid>.story-card:last-child:nth-child(3){display:flex}.library-grid .story-card h3{font-size:27px}.page-heading h1{font-size:39px}.article-heading>h1{font-size:35px}.article-byline .evidence-tag{margin-left:46px}.about-aside{display:block}.about-aside img{max-height:220px;object-fit:contain}.lab-explanation .equation{font-size:20px}.archive-entry-heading h1{font-size:33px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media print{.utility,.masthead,.nav-shell,.footer,.article-toc,.section-block,.article-endnote,.breadcrumb{display:none}.wrap{max-width:none;padding:0}.article-heading>h1{font-size:30px}.article-deck{font-size:18px}.article-layout{display:block;max-width:none}.article-body{font-size:12pt}.article-figure{max-width:500px}.article-byline{font-size:10px}.article-body h2{font-size:19px;break-after:avoid}a{color:black}.references{break-inside:avoid}.article-figure{break-inside:avoid}}

.lead-photo-credit{font-size:9px;color:var(--muted);line-height:1.5;margin:8px 0 -7px}.lead-photo-credit a{text-decoration:underline;text-underline-offset:2px}.lead-visual img[src$="plasma-pencil.jpg"]{object-position:center 44%}.credit-image{width:100%;height:230px;object-fit:contain;margin-bottom:20px;background:var(--wash)}

/* Photographic editorial images; scientific schematics remain optional in-body explanations. */
.card-photograph{margin:0 0 14px}.card-photograph .card-image{position:relative;margin:0;overflow:hidden;background:#e7ece8}.card-photograph .card-image img{width:100%;aspect-ratio:1.5;object-fit:cover;transition:transform .35s ease}.card-photograph .card-image:hover img{transform:scale(1.025)}.card-photograph .card-image-scan img{object-fit:contain;background:#101a20}.card-photo-credit{font-size:8px;line-height:1.4;display:block;color:var(--muted);text-align:right;margin-top:5px;text-decoration:underline;text-underline-offset:2px}.photo-disclosure{position:absolute;bottom:0;left:0;right:0;padding:5px 8px;background:rgba(11,36,45,.88);color:#fff;font-size:8px;line-height:1.35;font-weight:bold;letter-spacing:.15px}.article-photograph img{aspect-ratio:1.5;max-height:570px;object-fit:cover;background:#e7ece8}.article-photograph-scan img{object-fit:contain;background:#101a20}.photograph-credit{display:block;margin-top:6px;font-size:9px}.photograph-credit a,.explanatory-diagram figcaption a{text-decoration:underline;text-underline-offset:2px;color:var(--teal)}.generated-caption-label{font-size:10px;color:var(--teal)}.explanatory-diagram{margin:30px 0;font-family:var(--sans);font-size:12px;border:1px solid var(--line);background:var(--wash)}.explanatory-diagram summary{cursor:pointer;padding:15px 18px;font-weight:bold;color:var(--teal);line-height:1.5}.explanatory-diagram summary:focus-visible{outline:3px solid #be6945;outline-offset:3px}.explanatory-diagram figure{margin:0;padding:0 18px 15px}.explanatory-diagram img{width:100%;height:auto;object-fit:contain;background:var(--wash)}.explanatory-diagram figcaption{border-bottom:0}.image-credit-directory>article{scroll-margin-top:25px}.generated-image-note{font-size:11px!important;border-left:2px solid var(--teal);padding-left:12px}.image-credit-directory .credit-image{object-fit:cover}.image-credit-directory [data-photo-kind=generated] .credit-image{object-fit:cover}
@media(max-width:760px){.article-photograph img{max-height:none;aspect-ratio:1.4}.photo-disclosure{font-size:7px;padding:5px 7px}.card-photo-credit{font-size:8px}.generated-caption-label{font-size:9px}.explanatory-diagram summary{font-size:11px;padding:13px 15px}.explanatory-diagram figure{padding:0 12px 12px}.photograph-credit{font-size:8px}}
@media print{.explanatory-diagram{display:none}.photo-disclosure{position:static;background:none;color:#000}.card-photo-credit{display:none}}