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@media(max-width:650px){.shell{width:calc(100% - 40px)}.utility>.shell{height:30px;font-size:7px;letter-spacing:.7px}.utility a{font-size:8px;gap:8px}.utility .arrow-icon{width:10px;height:10px}.masthead{min-height:115px}.brand{gap:12px}.brand-symbol{width:40px;height:40px}.brand-text{font-size:27px;letter-spacing:-1.25px}.brand-text>span{font-size:35px;letter-spacing:-1.6px}.search-link{font-size:10px;gap:7px}.search-link>svg{width:18px;height:18px}.primary-nav>.shell{min-height:44px;justify-content:space-between;gap:16px;font-size:9px}.nav-latest{display:none}.desk-heading{padding:23px 0 17px}.desk-heading h1{font-size:10px;letter-spacing:1px;gap:9px}.desk-heading>span{font-size:10px}.front-grid{grid-template-columns:1fr;gap:27px;padding-top:18px;margin-bottom:39px}.front-feature h2{font-size:36px;line-height:1.1}.feature-image{aspect-ratio:1.6;margin-bottom:19px}.front-feature>p{font-size:13px;line-height:1.8}.front-secondary{border-left:0;border-top:1px solid var(--line);padding:23px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:20px}.compact-card+.compact-card{border:0;margin:0;padding:0}.compact-card .story-image{aspect-ratio:1.5}.compact-card h3{font-size:23px}.compact-card .story-kicker{font-size:8px}.research-panel{grid-column:auto;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:15px 25px;padding:23px}.research-index{font-size:7px;letter-spacing:1px}.research-panel h2{font-size:28px}.research-panel>p{font-size:10px;line-height:1.8}.research-panel>ol{grid-row:1/5}.research-panel>a{grid-column:1;grid-row:4;font-size:9px;margin-top:0;align-self:end}.research-panel li p{font-size:9px}.research-panel h3{font-size:9px}.research-panel li{gap:10px}.research-panel li>span{font-size:7px}.section-title{padding:16px 0 22px;gap:18px}.section-title h2{font-size:21px;letter-spacing:-.4px}.section-title>a{font-size:9px;gap:13px}.section-title .arrow-icon{width:14px;height:14px}.latest-grid{gap:26px 20px}.latest-grid h3{font-size:23px}.latest-grid .story-image{aspect-ratio:1.4}.latest-section{margin-bottom:39px}.category-directory{grid-template-columns:1fr;gap:26px;padding:27px;margin-bottom:39px}.directory-intro h2{font-size:31px;margin:14px 0 14px}.directory-intro>p{font-size:12px;max-width:none}.directory-links>a{gap:15px;grid-template-columns:20px minmax(0,1fr) 16px;padding:17px 0}.directory-links h3{font-size:13px}.directory-links p{font-size:10px}.topic-coverage{grid-template-columns:1fr;gap:29px;margin-bottom:36px}.topic-block .section-title h2{font-size:22px}.topic-block .section-title>a{font-size:9px;gap:16px}.topic-stories{display:grid;grid-template-columns:1fr 1fr;gap:20px}.topic-stories .story-card{padding:0}.topic-stories .story-card+.story-card{border-top:0;padding-top:0}.topic-stories h3{font-size:23px}.topic-stories .card-excerpt{font-size:11px}.topic-stories .story-kicker>span{display:none}.editorial-note{padding:25px 0 35px;gap:20px;flex-wrap:wrap}.editorial-note>p{font-size:20px;max-width:calc(100% - 30px)}.editorial-note>a{margin-left:24px;font-size:10px}.site-footer{padding-top:33px}.footer-main{gap:33px;padding-bottom:31px}.footer-brand>p{font-size:17px}.brand-footer .brand-text{font-size:21px}.brand-footer .brand-text>span{font-size:27px}.brand-footer .brand-symbol{width:34px;height:34px}.footer-linkgroup>a{font-size:10px}.footer-linkgroup h2{font-size:8px}.footer-bottom{font-size:7px;gap:15px}.footer-bottom>a{gap:10px}.page-heading{margin-top:11px;margin-bottom:30px}.page-heading h1{font-size:44px;letter-spacing:-1.2px}.page-heading>p{font-size:13px}.breadcrumb{font-size:9px;padding:22px 0 25px;gap:10px}.category-tabs{gap:10px 23px;padding:13px 0;font-size:9px;margin-bottom:27px}.listing-grid{gap:30px 20px}.listing-grid h3{font-size:23px}.listing-grid .story-image{aspect-ratio:1.4}.listing-grid .card-excerpt{display:none}.listing-grid .story-kicker>span{display:none}.listing-main{padding-bottom:45px}.search-form{margin:30px 0}.search-form input{font-size:24px}.search-form input::placeholder{font-size:21px}.search-form button{padding:10px 15px;gap:17px;font-size:10px}.search-results-label{font-size:9px;padding-bottom:23px}.article-main>.breadcrumb{padding-bottom:30px}.article-meta{font-size:9px;gap:9px 13px;margin-bottom:18px}.article-meta>time,.article-meta>span:last-child{padding-left:13px}.article-body h1{font-size:39px;line-height:1.1;letter-spacing:-1.1px;margin-bottom:22px}.article-body p{font-size:16px;line-height:1.85;margin-bottom:19px}.article-body .opening-paragraph{font-size:16px;line-height:1.85}.article-body h2{font-size:29px;line-height:1.2;margin-bottom:16px}.article-body ul{font-size:15px;line-height:1.85}.article-image{margin:27px 0 32px}.article-image>img{aspect-ratio:1.45}.article-image figcaption{font-size:8px}.article-body table{font-size:11px;min-width:510px}.article-body th,.article-body td{padding:12px 14px}.article-body thead th{font-size:9px}.article-summary{padding:22px 23px 11px;margin:33px 0}.article-summary p,.article-summary ul{font-family:var(--sans);font-size:12px;line-height:1.85}.article-summary h2{font-size:26px}.article-sources{padding-top:24px;margin-bottom:40px}.article-sources h2{font-size:26px}.article-sources ol{font-size:11px}.method-link{font-size:9px;gap:15px}.related-grid{grid-template-columns:1fr 1fr;gap:20px}.related-grid>.story-card:last-child{display:none}.related-grid h3{font-size:23px}.related-grid .story-image{aspect-ratio:1.4}.related-grid .story-kicker>span{display:none}.related-section{margin-bottom:40px}.info-heading{margin:20px 0 35px}.info-heading h1{font-size:44px;line-height:1.1;letter-spacing:-1.2px;margin:14px 0 20px}.info-heading>p{font-size:15px;line-height:1.8}.info-layout{grid-template-columns:1fr;gap:0;padding-top:30px}.info-layout>aside{display:none}.info-main{padding-bottom:35px}}
@media(max-width:430px){.shell{width:calc(100% - 32px)}.utility>.shell{font-size:6px;letter-spacing:.45px}.utility a{font-size:7px;gap:6px}.masthead{min-height:102px}.brand{gap:9px}.brand-symbol{width:34px;height:34px}.brand-text{font-size:24px;letter-spacing:-1.1px}.brand-text>span{font-size:31px;letter-spacing:-1.5px}.masthead-actions{gap:13px}.search-link>span{display:none}.search-link>svg{width:17px;height:17px}.menu-toggle{display:block;padding:3px;width:24px}.menu-toggle span{width:19px;margin:4px 0}.primary-nav>.shell{font-size:8px;gap:11px;min-height:42px}.primary-nav.mobile-open>.shell{display:grid;grid-template-columns:1fr 1fr;gap:0 20px;padding-top:9px;padding-bottom:12px}.primary-nav.mobile-open a{display:block;font-size:11px;padding:9px 0}.primary-nav.mobile-open .nav-method{margin:0;display:flex;gap:12px}.desk-heading{gap:15px;padding:20px 0 16px}.desk-heading h1{font-size:9px;letter-spacing:.7px;gap:8px}.desk-heading>span{font-size:9px;max-width:135px;text-align:right}.front-feature h2{font-size:32px}.feature-image{aspect-ratio:1.37}.front-feature>p{font-size:12px}.story-kicker{font-size:8px;gap:8px}.story-kicker>a{letter-spacing:.6px}.story-kicker>span{font-size:8px;padding-left:8px}.front-grid{gap:24px;margin-bottom:34px}.front-secondary{gap:16px;padding-top:21px}.compact-card h3{font-size:21px;letter-spacing:-.4px}.compact-card .story-image{aspect-ratio:1.2}.compact-card .story-content{padding-top:12px}.card-bottom{font-size:8px;margin-top:12px}.research-panel{padding:20px;gap:13px 20px;grid-template-columns:1fr 1.2fr}.research-panel h2{font-size:27px}.research-panel>p{font-size:9px}.research-panel h3{font-size:8px}.research-panel li p{font-size:8px}.research-panel li{gap:8px;padding:11px 0}.research-panel>a{font-size:8px;gap:15px}.research-panel>a .arrow-icon{width:14px;height:14px}.section-title h2{font-size:21px}.section-title>a{font-size:8px;gap:9px}.latest-grid{gap:24px 17px}.latest-grid h3{font-size:21px}.latest-grid .story-image{aspect-ratio:1.2}.latest-grid .story-kicker>span{display:none}.story-content{padding-top:12px}.category-directory{padding:24px 21px}.directory-intro h2{font-size:30px}.directory-intro>p{font-size:11px}.topic-stories{gap:17px}.topic-stories h3{font-size:21px}.topic-stories .card-excerpt{font-size:10px;line-height:1.8}.editorial-note>p{font-size:18px}.editorial-note>a{font-size:9px}.footer-brand{display:block}.footer-brand>p{font-size:19px;margin-top:20px}.brand-footer .brand-text{font-size:25px}.brand-footer .brand-text>span{font-size:32px}.brand-footer .brand-symbol{width:34px;height:34px}.footer-main{gap:29px}.footer-linkgroup>a{font-size:9px}.footer-linkgroup h2{font-size:7px;letter-spacing:1px}.footer-bottom{font-size:6px;gap:10px}.footer-bottom>a{font-size:7px;gap:6px}.page-heading h1{font-size:39px}.page-heading>p{font-size:12px}.page-heading .eyebrow{font-size:7px}.category-tabs{gap:8px 18px;font-size:8px}.listing-grid{gap:28px 17px}.listing-grid h3{font-size:21px}.listing-grid .story-image{aspect-ratio:1.2}.search-form input{font-size:21px}.search-form input::placeholder{font-size:18px}.search-form>div{gap:12px}.search-form button{font-size:9px;padding:10px 12px;gap:13px}.search-form .arrow-icon{width:14px;height:14px}.search-form label{font-size:9px}.search-results-label{font-size:8px;gap:12px}.article-meta{font-size:8px;gap:8px 10px;line-height:1.7}.article-meta>time{padding-left:10px}.article-meta>span:last-child{padding-left:0;border:0}.article-meta>span:first-child{width:100%}.article-meta>time{border:0;padding-left:0}.article-meta>span:last-child:before{content:'·';margin-right:10px;color:var(--muted)}.article-body h1{font-size:34px;letter-spacing:-.8px;line-height:1.12;margin-bottom:20px}.article-body>.story-kicker{font-size:8px;margin-bottom:10px}.article-body>.story-kicker>span{font-size:8px}.article-body p{font-size:15px;line-height:1.9;margin-bottom:18px}.article-body .opening-paragraph{font-size:15px;line-height:1.9}.article-body h2{font-size:27px;letter-spacing:-.4px}.article-body ul{font-size:14px}.article-image>img{aspect-ratio:1.32}.article-image figcaption{font-size:7px}.article-summary{padding:20px}.article-summary h2{font-size:25px}.article-summary p,.article-summary ul{font-size:11px}.article-sources h2{font-size:25px}.article-sources ol{font-size:10px}.article-sources .eyebrow{font-size:7px}.method-link{font-size:8px}.related-grid{gap:17px}.related-grid h3{font-size:21px}.related-grid .story-image{aspect-ratio:1.2}.info-heading h1{font-size:39px}.info-heading>p{font-size:14px}.breadcrumb{font-size:8px;gap:8px}.empty-message{padding:35px 0}.empty-message h2{font-size:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* Clear category navigation and homepage section hierarchy. */
.primary-nav>.shell{font-size:14px;gap:30px}
.primary-nav>.shell>a{display:flex;align-items:center;min-height:48px;padding:8px 0}
.primary-nav .nav-method{font-size:13px}
.home-categories{margin:0 0 34px;padding:23px 0 26px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.home-categories-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}
.home-categories-heading h2{font-family:var(--sans);font-size:20px;font-weight:700;letter-spacing:-.3px;line-height:1.3}
.home-categories-heading>a{display:flex;align-items:center;gap:12px;font-size:13px;font-weight:600}
.home-category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.home-category-link{display:flex;flex-direction:column;align-items:flex-start;padding:19px 18px 16px;background:var(--blue);border-top:3px solid var(--navy);min-width:0}
.home-category-link:hover{border-top-color:var(--red)}
.home-category-name{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;font-family:var(--sans);font-size:16px;font-weight:700;line-height:1.4;color:var(--navy)}
.home-category-name .arrow-icon{flex:0 0 auto;width:16px;height:16px;color:var(--red)}
.home-category-link>p{margin:10px 0 16px;font-size:13px;line-height:1.65;color:var(--muted)}
.home-category-count{margin-top:auto;font-size:12px;font-weight:600;color:var(--navy)}
.topic-coverage{display:grid;grid-template-columns:minmax(0,1fr);gap:43px;margin-bottom:50px}
.topic-block .section-title{padding:17px 0 12px}
.topic-block .section-title h2{font-size:29px;line-height:1.2}
.topic-block .section-title>a{font-size:13px;gap:12px}
.topic-description{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 22px}
.topic-stories{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
.topic-stories .story-card,.topic-stories .story-card+.story-card{padding:0;border:0}
.topic-stories .story-image{aspect-ratio:1.85}
.topic-stories .story-content{padding-top:18px}
.topic-stories h3{font-size:28px;line-height:1.2}
.topic-stories .card-excerpt{font-size:14px;line-height:1.75}
.topic-stories .card-bottom{display:flex;font-size:12px}
@media(max-width:1000px){
 .primary-nav>.shell{gap:22px;font-size:13px}
 .primary-nav .nav-method{font-size:12px}
 .home-category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
 .home-category-link{padding:18px}
 .topic-stories{gap:24px}
 .topic-stories h3{font-size:26px}
}
@media(max-width:600px){
 .menu-toggle{display:none}
 .primary-nav>.shell,.primary-nav.mobile-open>.shell{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px;padding-top:6px;padding-bottom:6px;min-height:0;font-size:13px}
 .primary-nav>.shell>a,.primary-nav.mobile-open>.shell>a{display:flex;align-items:center;min-height:44px;padding:10px 0;line-height:1.4;font-size:13px}
 .primary-nav .nav-latest{grid-column:1;grid-row:1}
 .primary-nav .nav-method,.primary-nav.mobile-open .nav-method{display:flex;grid-column:2;grid-row:1;margin:0;gap:9px;font-size:13px}
 .primary-nav .nav-method .arrow-icon{width:13px;height:13px}
 .home-categories{margin-bottom:27px;padding:21px 0 23px}
 .home-categories-heading{gap:16px;margin-bottom:16px}
 .home-categories-heading h2{font-size:19px}
 .home-categories-heading>a{font-size:12px;gap:8px}
 .home-category-grid{gap:13px}
 .home-category-link{padding:15px 13px}
 .home-category-name{font-size:15px;gap:7px}
 .home-category-name .arrow-icon{width:14px;height:14px}
 .home-category-link>p{font-size:12px;line-height:1.6;margin:9px 0 13px}
 .home-category-count{font-size:11px}
 .topic-coverage{gap:31px;margin-bottom:36px}
 .topic-block .section-title{padding:16px 0 11px;gap:15px}
 .topic-block .section-title h2{font-size:26px}
 .topic-block .section-title>a{font-size:12px;gap:9px}
 .topic-description{font-size:13px;line-height:1.7;margin-bottom:19px}
 .topic-stories{grid-template-columns:minmax(0,1fr);gap:26px}
 .topic-stories .story-card+.story-card{border-top:1px solid var(--line);padding-top:24px}
 .topic-stories .story-image{aspect-ratio:1.75}
 .topic-stories .story-content{padding-top:14px}
 .topic-stories h3{font-size:27px}
 .topic-stories .card-excerpt{font-size:13px;line-height:1.75}
 .topic-stories .card-bottom{font-size:12px}
 .topic-stories .story-kicker>span{display:block;font-size:10px}
 .topic-stories .story-kicker{font-size:10px}
}
@media(max-width:360px){
 .home-category-grid{grid-template-columns:minmax(0,1fr)}
 .home-category-link{padding:16px}
}