@font-face{font-family:Charis;src:url('fonts/Charis-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:Charis;src:url('fonts/Charis-Italic.woff2') format('woff2');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:Charis;src:url('fonts/Charis-Bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:Charis;src:url('fonts/Charis-BoldItalic.woff2') format('woff2');font-weight:700;font-style:italic;font-display:swap}
.prose,.intro-summary,.guided-card .excerpt,.term-example{font-family:Charis,Georgia,serif}
.hero h1{font-size:clamp(48px,5vw,72px);max-width:15ch}
.hero h1 em{display:inline-block;font-size:.76em;margin-top:.15em}
.reference-content{max-width:840px;padding-bottom:80px}
.reference-content>.text-link{margin-top:36px}
.reference-content.prose a,.reference-content .prose a{overflow-wrap:anywhere}
.area-directory{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 64px}
.area-directory article{padding-bottom:32px;border-bottom:1px solid var(--line)}
.area-directory h2{font-size:32px;margin-bottom:18px}
.area-directory p{color:var(--muted);margin-bottom:22px;max-width:65ch}
.area-introduction{max-width:75ch;margin-top:24px;color:var(--muted);font-size:16px}
.key-concepts{display:flex;align-items:baseline;gap:8px 18px;flex-wrap:wrap;margin-top:28px;font-size:13px;line-height:1.7}
.key-concepts>span{font-weight:600}.key-concepts a{border-bottom:1px solid var(--line)}
.key-concepts a:hover{border-color:currentColor}
.reader-prior{margin-top:18px;max-width:85ch;font-size:13px;color:var(--muted)}
.reader-prior a{text-decoration:underline;text-underline-offset:3px}
.glossary-link{text-decoration:underline dotted;text-underline-offset:4px}
.citation-block{border-top:1px solid var(--line);padding-top:32px;margin:0 0 30px;max-width:850px}
.citation-block h2{font-size:30px;margin-bottom:15px}.citation-block h3{font:600 14px var(--sans);margin:25px 0 8px}
.citation-block p{font-size:14px;overflow-wrap:anywhere;line-height:1.7;margin-bottom:12px}
.reader-completion{margin-bottom:40px}.reader-completion button[aria-pressed=true],.read-toggle[aria-pressed=true]{background:var(--wash);color:var(--accent)}
.reader-activities{border-top:1px solid var(--line);padding-top:30px;margin-bottom:36px;max-width:850px}.reader-activities h2{font-size:30px;margin-bottom:15px}.reader-activities p,.reader-activities li{font-size:14px;line-height:1.8}.reader-activities ul{padding-left:20px;margin-top:16px}.reader-activities a{text-decoration:underline;text-underline-offset:3px}
.route-overview h3{font-size:15px;font-weight:600;margin-top:25px;margin-bottom:8px}
.route-overview ul{padding-left:19px;font-size:14px;color:var(--muted)}
.route-facts{font-size:12px!important;line-height:1.6;color:var(--accent)!important}
.route-progress{border-top:1px solid var(--line);padding-top:16px;font-size:12px!important}
.route-step{padding-bottom:13px;border-bottom:1px solid var(--line)}
.route-step .chapter-row{border-bottom:0}.read-toggle{display:block;margin-left:auto;background:transparent;border:1px solid var(--line);border-radius:3px;padding:8px 12px;min-height:38px;font-size:12px}
.route-activity{padding:24px;background:var(--wash);margin-top:28px;border:1px solid var(--line);border-radius:4px}
.route-activity h3{font:26px var(--serif);margin-bottom:16px}
.route-activity p{font-size:14px;line-height:1.8}.route-activity summary{cursor:pointer;font-size:13px;font-weight:600;margin-top:20px}
.route-activity details[open] summary{margin-bottom:14px}
.route-card{min-width:0}
.route-grid .route-card{border-bottom:1px solid #45634d}
.route-grid .route-card:last-child{border-bottom:0}
.search-section-title{font:600 11px var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:18px 0 10px}
.search-result small{white-space:normal;line-height:1.5}
.term-card h2 a{display:inline;border:0;padding:0;margin:0;font:inherit;color:inherit}
.term-card h2 a:hover{text-decoration:underline;text-underline-offset:4px}
.demo-choices{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.demo-choices button[aria-pressed=true]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.lab-sample{font:26px/1.5 var(--serif);margin-bottom:24px}
.reading-figure{margin:32px 0;padding:24px;border:1px solid var(--line);background:var(--wash);border-radius:4px}
.reading-figure svg{max-width:520px;width:100%;height:auto;margin:auto}
.reading-figure figcaption{font:13px/1.7 var(--sans);color:var(--muted);margin-top:22px}
.structure-example h3{font:22px var(--serif);margin-top:0}
.structure-example>div{padding:16px 0;border-top:1px solid var(--line);margin-top:18px}
.structure-example p{font-size:16px;overflow-wrap:anywhere}
html:not(.js) [data-js-only]{display:none!important}
@media(max-width:600px){.route-grid{grid-template-columns:minmax(0,1fr)}.route-grid .route-card{min-height:180px;border-right:0}.route-card h3{max-width:25ch}}
@media(max-width:900px){.area-directory{gap:28px}.route-overview{position:static}.route-section.container{padding-inline:0}}
@media(max-width:600px){.hero h1{font-size:44px;max-width:14ch}.area-directory{grid-template-columns:1fr}.area-directory h2{font-size:28px}.reference-content{padding-bottom:45px}.area-introduction{font-size:14px}.citation-block h2{font-size:27px}.citation-block p{font-size:13px}.key-concepts{font-size:12px;gap:7px 13px}.route-activity{padding:20px}.reading-figure{padding:14px}.main-nav{gap:18px}}
@media print{.reader-bottom{display:block!important}.reader-bottom>:not(.citation-block){display:none!important}.citation-block button,.key-concepts,.reader-prior,.route-progress,.read-toggle,.reader-completion{display:none!important}.citation-block{break-before:auto;margin-top:24pt}.citation-block h2{font-size:15pt}.citation-block p{font-size:9pt}.reading-figure{break-inside:avoid;background:white}.reading-figure figcaption{color:black}.glossary-link{text-decoration:none}.route-activity details:not([open])>*:not(summary){display:block}.prose a{overflow-wrap:anywhere}}