/* Shared site chrome: one grid, one logo size, one footer across every page. */
:root{--site-width:1240px;--site-gutter:56px}
body .site-container,body .ntf-header-inner,body .ntf-footer-inner{box-sizing:border-box;width:100%;max-width:var(--site-width);margin-inline:auto;padding-inline:var(--site-gutter)}
body .ntf-header{color:#272722;background:#f7f5eff5;border-bottom:1px solid #d7d2c8;font-family:Inter,Arial,sans-serif}
body .ntf-header-inner{height:92px;min-height:92px;padding-block:12px;gap:24px;display:flex;align-items:center;justify-content:space-between}
body .ntf-logo,body .ntf-logo img{display:block;flex-shrink:0;width:124px;height:65px;object-fit:contain}
body .ntf-nav{display:flex;align-items:center;gap:32px;font:400 13px/1.5 Inter,Arial,sans-serif}
body .ntf-nav> a,body .ntf-menu>summary{min-height:44px;display:flex;align-items:center}
body .ntf-footer{display:block;box-sizing:border-box;width:100%;max-width:none;margin:0;padding:0;border-top:1px solid #d7d2c8;background:#f7f5ef;color:#68665f;font:11px/1.7 Inter,Arial,sans-serif}
body .ntf-footer-inner{padding-block:24px;min-height:94px;display:flex;align-items:center;justify-content:space-between;gap:24px}
body .ntf-footer-identity{display:flex;flex-direction:column;gap:3px}
body .ntf-footer-identity>span:first-child{font-size:10px;letter-spacing:.08em}
body .ntf-footer a{color:inherit;text-decoration:none}
body .ntf-footer a:hover{text-decoration:underline;text-underline-offset:4px}
body .ntf-footer .footer-links{display:flex;align-items:center;gap:24px;flex-shrink:0;font:inherit}
body .ntf-footer .footer-links a{display:inline-flex;align-items:center;min-height:44px}
body .page-wrap,body .ntf-crumbs,body .exam-page>.container,body .credits-main,body .ac-entry{box-sizing:border-box;max-width:var(--site-width);padding-inline:var(--site-gutter);margin-inline:auto}
body .author-credit{font:14px/1.8 Inter,Arial,sans-serif;color:#68665f;margin:0}
body .author-credit a{color:#633d3c;text-decoration:underline;text-underline-offset:4px}
body .essay-collection-link{display:inline-flex;align-items:center;gap:16px;min-height:44px;margin-top:14px;border-bottom:1px solid #a59a89;color:#633d3c;font:500 13px/1.5 Inter,Arial,sans-serif;text-decoration:none}
body .resource-notice{padding-block:28px;border-top:1px solid #d7d2c8}
body .resource-notice .footer-note{max-width:760px;font:12px/1.8 Inter,Arial,sans-serif;color:#68665f}
body.plexus-app .top{position:static}
body.plexus-app .top-inner{max-width:var(--site-width);padding-inline:var(--site-gutter);display:flex;align-items:center;justify-content:space-between}
body.plexus-app .brand{display:block}
body.plexus-app .org{display:block;font-size:11px;margin:0 0 14px}
body.plexus-app .blockbar-inner,body.plexus-app .foot-inner{max-width:var(--site-width);padding-inline:var(--site-gutter)}
body.plexus-app .foot{border-bottom:0}
.embedded-demo .ntf-header,.embedded-demo .ntf-footer{display:none}
body[data-page=essays]{margin:0;background:#f7f5ef;color:#272722;font:15px/1.7 Inter,Arial,sans-serif}
body .essay-directory{padding-bottom:44px}
body .essay-breadcrumb{display:flex;flex-wrap:wrap;gap:12px;padding-top:24px;font-size:12px;color:#68665f}
body .essay-breadcrumb a{color:inherit;text-underline-offset:4px}
body .essay-directory-hero{display:grid;grid-template-columns:1.25fr 1fr;gap:32px;align-items:center;padding-block:32px;border-bottom:1px solid #d7d2c8}
body .essay-directory h1{font:400 clamp(42px,5.2vw,68px)/1.08 'NTF Serif',Georgia,serif;letter-spacing:-.045em;margin:14px 0 18px}
body .essay-directory-hero .ether-art{max-width:380px;justify-self:end}
body .essay-intro{font-size:14px;color:#68665f;max-width:42ch;margin:14px 0 0}
body .essay-topics{display:grid;grid-template-columns:1fr 1fr;gap:30px 48px;padding-top:32px;align-items:start}
body .essay-topic h2{font:400 25px/1.3 'NTF Serif',Georgia,serif;letter-spacing:-.025em;margin:0 0 12px}
body .essay-topic ul{list-style:none;padding:0;margin:0}
body .essay-topic li{display:flex;align-items:center;gap:8px;border-bottom:1px solid #d7d2c8}
body .essay-title-link{display:flex;align-items:center;justify-content:space-between;gap:16px;flex:1;min-width:0;min-height:56px;padding-block:10px;color:inherit;text-decoration:none;font-size:14px;line-height:1.6}
body .essay-title-link:hover{color:#633d3c}
body .pdf-label{white-space:nowrap;color:#633d3c;font-size:10px}
body .essay-download{display:flex;align-items:center;justify-content:center;width:44px;min-height:44px;flex-shrink:0;color:#633d3c;text-decoration:none;font-size:20px}
body .essay-download:hover{background:#eeece5}
body .essay-use-note{margin-top:36px;font-size:12px;color:#68665f}
body .ntf-header a:focus-visible,body .ntf-header summary:focus-visible,body .ntf-footer a:focus-visible,body .essay-directory a:focus-visible{outline:2px solid #633d3c;outline-offset:3px}
@media(max-width:760px){
 :root{--site-gutter:22px}
 body .ntf-header-inner{height:80px;min-height:80px;padding-block:12px;gap:16px}
 body .ntf-logo,body .ntf-logo img{width:105px;height:55px}
 body .ntf-nav{gap:20px;font-size:12px}
 body .ntf-menu-panel{position:fixed;top:80px;left:16px;right:16px;width:auto;max-height:calc(100dvh - 96px);overflow:auto}
 body .ntf-footer-inner{align-items:flex-start;flex-direction:column;gap:8px;padding-block:20px}
 body .ntf-footer .footer-links{gap:24px}
 body .essay-directory-hero{grid-template-columns:1fr;gap:20px;padding-block:26px}
 body .essay-directory-hero .ether-art{max-width:260px;justify-self:center}
 body .essay-topics{grid-template-columns:1fr;gap:28px;padding-top:28px}
 body .essay-topic h2{font-size:24px}
 body .essay-directory h1{font-size:44px}
 body.plexus-app .top-inner>div:first-child{display:block}
 body.plexus-app .top-tools{align-self:flex-start}
 body.plexus-app h1{font-size:32px}
}
@media(max-width:359px){body .ntf-nav{gap:12px}body .ntf-header-inner{gap:10px}}
body{margin:0}
body .ntf-footer .footer-links{margin:0;padding:0;border:0}
body .ntf-footer-identity>a{min-height:0;display:block}
/* The encrypted guide loads this shared stylesheet after it is unlocked. */
body .ntf-footer:not(:has(.ntf-footer-inner)){box-sizing:border-box;max-width:var(--site-width);margin-inline:auto;padding:24px var(--site-gutter);display:flex;align-items:center;justify-content:space-between;gap:24px}
body .ntf-footer:not(:has(.ntf-footer-inner))>a{min-height:44px;display:inline-flex;align-items:center}
@media(max-width:760px){body .ntf-footer:not(:has(.ntf-footer-inner)){align-items:flex-start;flex-direction:column;gap:8px;padding-block:20px}}
/* Keep page navigation immediate and avoid cross-document transition glitches. */
@view-transition{navigation:none}
/* ETHER: panoramic paper banners, with copy kept clear of the illustration. */
body .ether-banner,body .exam-page .exam-hero.ether-banner,body[data-page=library] .section-heading.ether-banner{position:relative;isolation:isolate;display:block;overflow:hidden;background:#f0e7d8;border:0;padding:38px 40px;min-height:280px;margin:24px 0 32px;box-sizing:border-box}
body .ether-banner> :not(.ether-art):not(.directory-illustration){position:relative;z-index:2;max-width:56%}
body .ether-banner .ether-art,body .ether-banner .directory-illustration{position:absolute;z-index:0;inset:0 0 0 auto;display:block;width:65%;height:100%;max-width:none;margin:0;pointer-events:none;mask-image:linear-gradient(to right,transparent,black 24%);-webkit-mask-image:linear-gradient(to right,transparent,black 24%)}
body .ether-banner .ether-art img,body .ether-banner .directory-illustration img{display:block;position:static;width:100%;height:100%;max-height:none;object-fit:cover;object-position:center 62%;mix-blend-mode:multiply;opacity:.82;filter:none}
body .ether-banner .hero-text{padding:0}
body .ether-banner h1,body .exam-page .exam-hero.ether-banner h1{font-size:clamp(40px,4.5vw,60px);margin:0 0 18px;line-height:1.08}
body .ether-banner .page-lead,body .ether-banner .essay-intro{max-width:35ch}
body .ether-banner:before,body .ether-banner:after{display:none}
body .ether-banner .ether-art:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#f0e7d8b3,transparent 65%)}
body .editorial-callout.ether-banner{min-height:220px;padding-block:36px}
body .editorial-callout.ether-banner .ether-art{width:60%}
body .page-columns:has(.priorities-banner){display:block}
body .priorities-banner{min-height:220px;margin-top:0}
body .priorities-banner>p,body .priorities-banner>h2{max-width:48%}
body .priorities-banner .aside-art{width:60%}
body .ac-banner{grid-column:1/-1;margin:0;min-height:260px}
body .ac-entry:has(.ac-banner){grid-template-columns:1fr;gap:0}
body .ac-entry:has(.ac-banner) .ac-form-panel{width:100%;max-width:600px;margin-inline:auto;box-sizing:border-box}
body[data-page=library] .directory-layout{display:block}
body[data-page=library] .section-heading.ether-banner{min-height:250px;padding:40px;margin-top:0}
body[data-page=library] .section-heading.ether-banner h1{font-size:60px;margin:0 0 18px}
body[data-page=library] .section-heading.ether-banner p{font-size:15px;max-width:30ch;margin:0}
body[data-page=library] .section-heading.ether-banner .directory-illustration:after{display:none}
body .essay-directory-hero.ether-banner .ether-art img,body .exam-hero.ether-banner .ether-art img{object-position:center 80%}
@media(max-width:760px){
 body .ether-banner,body .exam-page .exam-hero.ether-banner,body[data-page=library] .section-heading.ether-banner{padding:25px 24px 0;min-height:0;margin:20px 0 26px;display:flex;flex-direction:column}
 body .ether-banner> :not(.ether-art):not(.directory-illustration){max-width:none;width:100%}
 body .ether-banner .ether-art,body .ether-banner .directory-illustration,body .editorial-callout.ether-banner .ether-art,body .priorities-banner .aside-art{position:relative;inset:auto;align-self:stretch;width:calc(100% + 48px);height:145px;flex:none;margin:20px -24px 0;mask-image:linear-gradient(to bottom,transparent,black 24%);-webkit-mask-image:linear-gradient(to bottom,transparent,black 24%)}
 body .ether-banner .ether-art img,body .ether-banner .directory-illustration img{height:100%;max-height:none;object-position:center 62%;opacity:1}
 body .ether-banner .ether-art:after{display:none}
 body .ether-banner h1,body .exam-page .exam-hero.ether-banner h1,body[data-page=library] .section-heading.ether-banner h1{font-size:clamp(34px,8.8vw,48px);margin:0 0 15px}
 body .ether-banner .page-lead{font-size:15px}
 body .ether-banner .author-credit{font-size:13px}
 body .ether-banner .essay-collection-link{margin-top:8px;font-size:12px}
 body .ether-banner .page-link{margin-top:10px}
 body .priorities-banner>p,body .priorities-banner>h2{max-width:none}
 body .ac-banner{margin-top:0}
 body .ac-banner .ether-art img{object-position:center 45%}
}
body .ac-entry:has(.ac-banner){row-gap:24px}

/* One accessible email action in the header; identity only in the footer. */
body .ntf-nav .ntf-contact{width:44px;height:44px;min-width:44px;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;flex-shrink:0}
body .ntf-contact svg{width:21px;height:21px;display:block;flex-shrink:0}
body .ntf-nav .ntf-contact:hover{background:#e9e5dc;text-decoration:none}
body .ntf-footer-inner{min-height:70px;padding-block:20px}
@media(max-width:760px){body .ntf-nav{gap:12px}body .ntf-header-inner{gap:12px}}
@media(max-width:359px){body .ntf-header-inner{padding-inline:16px;gap:8px}body .ntf-logo,body .ntf-logo img{width:80px;height:46px}body .ntf-nav{gap:8px;font-size:11px}}

body .ntf-footer-identity>.ntf-copyright{font-size:11px;letter-spacing:0;line-height:1.7;text-transform:none;text-wrap:pretty}

/* Frame whole subjects, cropping the study illustration's empty upper margin. */
body .department-banner{min-height:300px}
body .department-banner .ether-art{width:58%;mask-image:none;-webkit-mask-image:none}
body .department-banner .ether-art img{position:absolute;right:0;width:auto;height:100%;max-width:none;object-fit:contain;object-position:right center;mask-image:linear-gradient(to right,transparent,black 22%);-webkit-mask-image:linear-gradient(to right,transparent,black 22%)}
body .department-banner .ether-art:after,body .ether-banner .study-banner-art:after{display:none}
body .ether-banner .study-banner-art{width:48%;overflow:hidden;mask-image:linear-gradient(to right,transparent,black 8%);-webkit-mask-image:linear-gradient(to right,transparent,black 8%)}
body .exam-hero.ether-banner .study-banner-art img,body .essay-directory-hero.ether-banner .study-banner-art img{position:absolute;bottom:0;left:0;width:100%;height:140%;max-height:none;object-fit:cover;object-position:left bottom}
body .naps-feature .page-link{margin-top:18px}
@media(max-width:700px){
 body .department-banner{min-height:0}
 body .department-banner .ether-art,body .ether-banner .study-banner-art{width:calc(100% + 48px);height:210px;margin:18px -24px 0;mask-image:linear-gradient(to bottom,transparent,black 12%);-webkit-mask-image:linear-gradient(to bottom,transparent,black 12%)}
 body .department-banner .ether-art img{position:static;width:100%;object-fit:contain;object-position:center;mask-image:none;-webkit-mask-image:none}
 body .exam-hero.ether-banner .study-banner-art img,body .essay-directory-hero.ether-banner .study-banner-art img{height:140%;object-position:left bottom}
}