:root{--ink:#202a2b;--muted:#5b686a;--green:#234c49;--line:#d8e1df;--paper:#f6fafb;--accent:#b33738;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:16px/1.6 Arial,Helvetica,sans-serif;background:var(--white);letter-spacing:0}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:5px}button,input{font:inherit}button{cursor:pointer}button,a,input,summary{touch-action:manipulation}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid #b33738;outline-offset:5px}.wrap{width:min(1120px,calc(100% - 64px));margin-inline:auto}.site-header{background:var(--paper);border-bottom:1px solid var(--line);position:relative;z-index:20}.header-inner{display:flex;align-items:center;min-height:86px;gap:32px}.brand{display:inline-flex;flex-direction:column;line-height:1.1;flex-shrink:0;color:var(--green)}.brand strong{font:700 25px Georgia,serif}.brand span{font-size:10px;margin-top:4px}.header-actions{order:3;margin-left:auto;display:flex;align-items:center;gap:24px;white-space:nowrap;font-size:13px}.header-inner nav{display:flex;align-items:center;gap:22px;font-size:14px}.nav-dropdown{position:relative}.nav-dropdown summary{cursor:pointer;list-style:none;white-space:nowrap;padding:28px 0}.nav-dropdown summary::-webkit-details-marker{display:none}.nav-dropdown summary:after{content:'⌄';margin-left:7px;color:var(--muted)}.nav-dropdown[open] summary:after{content:'⌃'}.dropdown-panel{position:absolute;top:100%;left:-20px;width:292px;background:var(--white);border:1px solid var(--line);box-shadow:0 12px 28px #20373318;padding:14px;max-height:65vh;overflow-y:auto}.dropdown-panel a{display:block;padding:9px 12px;font-size:14px;line-height:1.4}.dropdown-panel a:hover{background:var(--paper)}.menu-toggle{display:none;border:0;background:none;width:40px;height:40px;font-size:25px}.skip-link{position:fixed;top:-60px;left:20px;background:white;padding:12px;z-index:100}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}h1,h2,h3,p{margin-top:0}h1{font:500 66px/1.08 Georgia,serif;margin-bottom:24px}h2{font-size:26px;line-height:1.25;margin-bottom:22px;font-weight:500}h3{font-size:21px;line-height:1.4;font-weight:500}.eyebrow{text-transform:uppercase;font-size:11px;color:var(--muted);font-weight:bold;margin-bottom:14px}.button{display:inline-flex;justify-content:center;align-items:center;background:var(--green);color:var(--white);border:1px solid var(--green);min-height:46px;padding:10px 20px;border-radius:5px;font-size:14px;font-weight:bold;text-align:center}.button:hover{background:#163d3a}.text-link{color:var(--green);font-size:14px;text-decoration:underline;text-underline-offset:6px}.publisher-hero{background:var(--paper);padding:60px 0 52px}.hero-lead{font:23px/1.5 Georgia,serif;max-width:640px;color:var(--muted);margin-bottom:30px}.hero-publication{display:flex;gap:46px;align-items:center;justify-content:flex-end}.hero-publication img{height:220px;width:156px;object-fit:contain;filter:drop-shadow(5px 10px 8px #20373320)}.hero-publication h2{font:38px/1.2 Georgia,serif;margin-bottom:14px}.hero-actions{display:flex;align-items:center;gap:24px;margin-top:20px}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:26px}.section-heading h2{margin-bottom:0}.subject-band{padding:32px 0 44px;border-top:1px solid var(--line)}.subject-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.subject-grid a{font:24px/1.3 Georgia,serif;border-top:2px solid var(--green);padding-top:20px}.standards-band{background:#eaf1ef;padding:64px 0}.standards-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:90px;align-items:center}.standards-inner h2{font:40px/1.2 Georgia,serif}.standards-inner p{max-width:550px;color:var(--muted)}.standards-list a{display:block;border-bottom:1px solid #bccdca;padding:16px 0;font:22px/1.3 Georgia,serif}.journal-feature,.selected-research{padding-block:54px}.journal-feature-inner{display:flex;align-items:center;gap:36px;padding-block:20px}.journal-feature-inner img{width:145px;height:200px;object-fit:contain}.journal-feature-inner h3{font:32px/1.2 Georgia,serif;margin-bottom:16px}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:38px}.research-item{padding:26px 0;border-top:1px solid var(--line);min-width:0}.research-item h3 a:hover{color:var(--green)}.article-kicker{font-size:11px;font-weight:bold;color:var(--muted);display:flex;justify-content:space-between;gap:12px;margin-bottom:16px}.article-kicker span{color:var(--green)}.authors{font-size:14px;margin-bottom:12px}.metadata{font-size:12px;line-height:1.6;color:var(--muted);overflow-wrap:anywhere;margin-bottom:0}.author-band{background:var(--paper);border-block:1px solid var(--line);padding:40px 0}.author-band>.wrap{display:flex;align-items:center;justify-content:space-between;gap:36px}.author-band h2{font:36px/1.2 Georgia,serif;margin-bottom:0}.author-band .text-link{margin-right:28px}footer{padding:54px 0 22px;background:#f3f5f4}.footer-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr 1.25fr;gap:36px}.footer-grid h2{font-size:16px;font-weight:bold;margin-bottom:18px}.footer-grid nav>a{display:block;font-size:13px;line-height:1.5;padding:6px 0}.footer-brand p{font-size:13px;margin-top:18px;margin-bottom:8px}.footer-brand>a:not(.brand){font-size:13px;color:var(--green)}.legal{border-top:1px solid var(--line);margin-top:42px;padding-top:20px;font-size:11px;color:var(--muted)}.legal p{margin-bottom:5px}.journal-masthead{background:var(--paper);padding:42px 0}.masthead-inner{display:grid;grid-template-columns:160px 1fr;gap:40px;align-items:center}.cover-button{background:none;border:0;padding:0;width:160px;position:relative}.cover-button img{width:160px;height:224px;object-fit:contain;filter:drop-shadow(2px 6px 5px #20373320)}.cover-button:after{content:'+';position:absolute;bottom:8px;right:5px;background:var(--white);border:1px solid var(--line);border-radius:50%;width:28px;height:28px;line-height:26px;color:var(--green)}.journal-masthead h1{font-size:54px;margin-bottom:18px}.journal-status{display:flex;gap:18px;font-size:12px;color:var(--green);flex-wrap:wrap}.masthead-actions{display:flex;align-items:center;gap:24px;margin-block:18px}.search-form{display:flex;width:min(580px,100%);margin-top:20px;gap:0}.search-form input{width:100%;min-width:0;border:1px solid #a8b9b5;background:white;border-radius:4px 0 0 4px;padding:11px 14px;font-size:14px}.search-form button{background:var(--green);border:1px solid var(--green);padding:10px 18px;color:white;border-radius:0 4px 4px 0;font-size:14px}.advanced-search{font-size:12px;display:inline-block;margin-top:8px;color:var(--muted)}.journal-main{padding-block:40px}.overview h2{font-size:24px}.scope-copy{font-size:15px;line-height:1.7;max-width:1020px}.scope-copy p:first-child{font-size:13px;color:var(--muted)}.journal-facts{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--line);padding:22px 0;margin-block:36px;gap:28px}.journal-facts span{display:block;font-size:12px;color:var(--muted)}.journal-facts strong{display:block;font-size:16px;font-weight:500;margin-top:6px}.research-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:64px;padding-top:16px}.journal-sidebar section{border-top:2px solid var(--green);padding:20px 0;margin-bottom:20px}.journal-sidebar h2{font-size:20px}.journal-sidebar a{display:block;padding:7px 0;font-size:14px}.journal-sidebar p{font-size:14px;color:var(--muted)}dialog{border:1px solid var(--line);padding:25px;max-width:calc(100% - 40px);background:var(--paper)}dialog::backdrop{background:#182928b0}dialog img{display:block;max-width:100%;width:auto;height:min(70vh,620px);object-fit:contain}dialog h2{font:28px Georgia,serif}.dialog-close{position:absolute;top:10px;right:10px;background:none;border:0;font-size:26px;width:36px;height:36px}.content-page{padding-block:50px;min-height:45vh}.content-page h1{font-size:40px}.content-page h2{font-size:24px}.content-page a:not(.button){color:var(--green)}.preserved-content article,.preserved-content section{max-width:100%}.preserved-content img{max-width:100%;height:auto}.preserved-content table{max-width:100%;border-collapse:collapse}.preserved-content td,.preserved-content th{padding:10px;border:1px solid var(--line)}.preserved-content p,.preserved-content li{overflow-wrap:anywhere}
@media(max-width:1100px){.header-inner{gap:20px}.header-inner nav{gap:14px;font-size:13px}.header-actions{gap:14px}.wrap{width:calc(100% - 48px)}}
@media(max-width:960px){.header-inner{min-height:76px;flex-wrap:wrap}.header-actions{order:2}.menu-toggle{display:block}.header-inner nav{display:none;order:3;width:100%;flex-direction:column;align-items:stretch;gap:0;padding-bottom:16px}.header-inner nav.nav-open{display:flex}.header-inner nav>a,.nav-dropdown summary{padding:12px 0;border-top:1px solid var(--line)}.dropdown-panel{position:static;width:100%;box-shadow:none;max-height:none;border:0;border-left:2px solid var(--line);margin-bottom:12px}.footer-grid{grid-template-columns:repeat(2,1fr)}.research-layout{gap:36px;grid-template-columns:minmax(0,1fr) 240px}.article-grid{gap:24px}}
@media(max-width:600px){.wrap{width:calc(100% - 36px)}.brand strong{font-size:22px}.header-actions{gap:16px}.search-link{display:none}h1{font-size:42px}.publisher-hero{padding:36px 0}.hero-lead{font-size:20px}.hero-publication{justify-content:flex-start;gap:24px;margin-top:30px;align-items:flex-start}.hero-publication img{width:108px;height:154px}.hero-publication h2{font-size:29px}.hero-publication p{font-size:13px}.hero-actions{flex-direction:column;align-items:flex-start;gap:18px}.hero-actions .button{padding:10px 12px;font-size:12px}.subject-grid{grid-template-columns:1fr;gap:22px}.subject-grid a{font-size:22px;padding-top:12px}.section-heading{gap:16px;align-items:flex-start}.section-heading h2{font-size:22px}.section-heading .text-link{font-size:12px;max-width:120px;flex-shrink:0;text-align:right}.standards-band{padding:38px 0}.standards-inner{grid-template-columns:1fr;gap:24px}.standards-inner h2{font-size:31px}.standards-list a{font-size:21px}.journal-feature,.selected-research{padding-block:36px}.journal-feature-inner{gap:24px}.journal-feature-inner img{width:104px;height:150px}.journal-feature-inner h3{font-size:27px}.journal-feature-inner p{font-size:14px}.article-grid{grid-template-columns:1fr;gap:4px}.author-band>.wrap{flex-direction:column;align-items:flex-start;gap:24px}.author-band h2{font-size:30px}.author-band .text-link{margin-right:20px}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-brand{padding-bottom:18px;border-bottom:1px solid var(--line)}.footer-grid h2{font-size:17px}.footer-grid nav>a{font-size:14px}.journal-masthead{padding:30px 0}.masthead-inner{grid-template-columns:86px minmax(0,1fr);gap:22px;align-items:start}.cover-button,.cover-button img{width:86px}.cover-button img{height:122px}.cover-button:after{width:22px;height:22px;line-height:20px;bottom:4px;font-size:16px}.journal-masthead h1{font-size:40px;margin-bottom:14px}.journal-masthead .eyebrow{font-size:10px}.journal-status{gap:5px 12px;font-size:11px}.masthead-actions{flex-direction:column;align-items:flex-start;gap:16px}.masthead-actions .button{padding:10px 14px;font-size:12px}.search-form{margin-top:22px}.search-form input{font-size:12px;padding:10px}.search-form button{padding:10px;font-size:12px}.journal-main{padding-block:30px}.journal-facts{grid-template-columns:repeat(2,1fr);gap:22px;padding:22px 0;margin-block:28px}.journal-facts strong{font-size:14px}.research-layout{grid-template-columns:1fr;gap:30px}.research-item h3{font-size:20px}.journal-sidebar{border-top:1px solid var(--line);padding-top:22px}.content-page h1{font-size:34px}.content-page{padding-block:32px}.content-page table{display:block;overflow-x:auto}}
.advanced-search-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-bottom:32px;max-width:800px}.advanced-search-form label{display:flex;flex-direction:column;font-size:14px;gap:8px}.advanced-search-form input,.advanced-search-form select{font:inherit;border:1px solid #a8b9b5;border-radius:4px;padding:10px;width:100%;min-width:0}.advanced-search-form>div{grid-column:1/-1}.journal-navigation{border-block:1px solid var(--line);background:#fff;position:relative;z-index:15}.journal-navigation nav{display:flex;align-items:center;gap:32px;font-size:14px}.journal-navigation .nav-dropdown summary{padding:18px 0}.journal-navigation .dropdown-panel{z-index:20}
@media(max-width:600px){.advanced-search-form{grid-template-columns:1fr}}
@media(max-width:960px){.journal-navigation nav{display:none;flex-direction:column;align-items:stretch;gap:0;padding-block:12px}.journal-navigation nav.nav-open{display:flex}.journal-navigation nav>a,.journal-navigation .nav-dropdown summary{padding:12px 0}.journal-navigation .dropdown-panel{position:static;width:100%;box-shadow:none}}
.empty-section{padding-block:32px;border-top:1px solid var(--line)}.empty-state{color:var(--muted);font-size:14px;padding:18px 0;margin-bottom:0}.pdf-frame{width:100%;height:75vh;min-height:420px;border:1px solid var(--line);display:block}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.pdf-page{display:block;width:100%;height:auto;border:1px solid var(--line)}.pdf-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;font-size:14px}
.footer-platforms{border-top:1px solid var(--line);margin-top:32px;padding-top:24px}.footer-platforms h2{font-size:16px;font-weight:bold;margin-bottom:12px}.footer-platforms p{font-size:13px;color:var(--muted);margin-bottom:10px}.announcement-content h3{font-size:18px}.journal-sidebar .announcement-content h3{font-size:16px}
.publisher-hero>.wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);column-gap:48px}.publisher-hero h1{grid-column:1/-1}.publisher-hero .hero-lead{grid-column:1;margin-bottom:18px}.publisher-hero>.wrap>.hero-actions{grid-column:1;align-self:end;margin-top:24px;margin-bottom:12px}.publisher-hero .hero-publication{grid-column:2;grid-row:2/4;justify-content:flex-end;gap:28px}.publisher-hero .hero-publication>div{min-width:0}.publisher-hero .hero-publication h2{font-size:32px}
.masthead-inner{grid-template-columns:160px minmax(0,1fr) 280px;gap:32px}.masthead-search{align-self:start;min-width:0}.masthead-search .search-form{margin-top:0}.masthead-search .advanced-search{display:block;text-align:right}.journal-main{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:32px 48px}.journal-main>.research-layout{grid-column:1/-1}.journal-main>.journal-facts{grid-template-columns:repeat(2,minmax(0,1fr));border:0;border-left:1px solid var(--line);margin:0;padding:16px 0 16px 32px;align-content:start}.scope-details{margin-block:16px}.scope-details summary{cursor:pointer;color:var(--green);font-size:14px;padding:8px 0}.scope-details[open] summary{margin-bottom:12px}.scope-details p:first-of-type{font-size:15px;color:var(--ink)}
@media(max-width:960px){.masthead-inner{grid-template-columns:160px minmax(0,1fr)}.masthead-search{grid-column:1/-1}.masthead-search .search-form{max-width:580px}.masthead-search .advanced-search{text-align:left}.journal-main{grid-template-columns:1fr;gap:24px}.journal-main>.journal-facts{grid-column:1;border-left:0;border-block:1px solid var(--line);padding:22px 0}}
@media(max-width:600px){.masthead-inner{grid-template-columns:86px minmax(0,1fr);gap:22px}}
@media(max-width:960px){.publisher-hero>.wrap{grid-template-columns:1fr}.publisher-hero .hero-lead,.publisher-hero>.wrap>.hero-actions,.publisher-hero .hero-publication{grid-column:1;grid-row:auto}.publisher-hero>.wrap>.hero-actions{flex-direction:row;flex-wrap:wrap;align-items:center}.publisher-hero .hero-publication{justify-content:flex-start;margin-top:28px}}
.footer-grid:has(nav[aria-label="Publishing"]){grid-template-columns:1.2fr repeat(4,1fr);gap:28px}@media(max-width:960px){.footer-grid:has(nav[aria-label="Publishing"]){grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.footer-grid:has(nav[aria-label="Publishing"]){grid-template-columns:1fr}}