@font-face{font-family:Inter;src:url('/assets/fonts/Inter/Inter-VariableFont_opsz%2Cwght.ttf') format('truetype');font-weight:100 900;font-display:swap}
:root{color-scheme:dark;--bg:#111314;--footer-bg:#050608;--ink:#ecece6;--body:#cdcfcb;--muted:#a2a69f;--line:#303432;--accent:#e4c67b;--surface:#1b1e1e;--logo:brightness(0) invert(1)}
:root[data-theme=light]{color-scheme:light;--bg:#faf9f6;--footer-bg:#efeee8;--ink:#262a28;--body:#424944;--muted:#626a63;--line:#dddfd8;--accent:#80621d;--surface:#efeee8;--logo:brightness(0)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:4px}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px;border-radius:2px}::selection{background:var(--accent);color:var(--bg)}.skip{position:absolute;left:24px;top:-100px;background:var(--bg);padding:12px;z-index:10}.skip:focus{top:12px}.site-header{max-width:1200px;margin:auto;min-height:100px;padding:0 48px;display:flex;align-items:center;gap:40px;border-bottom:1px solid var(--line)}.brand{display:flex;margin-right:auto}.brand img{width:78px;height:auto;filter:var(--logo)}.site-header nav{display:flex;gap:30px}.site-header nav a{font-size:13px;color:var(--muted);text-decoration:none;padding:8px 0}.site-header nav a[aria-current=page]{color:var(--ink)}.site-header nav a[aria-current=page]:after{content:'';display:block;height:2px;width:14px;background:var(--accent);margin:6px auto -8px}.theme-toggle{color:var(--muted);background:none;border:0;border-left:1px solid var(--line);padding:8px 0 8px 26px;display:flex;align-items:center;gap:8px;font-size:12px;cursor:pointer}.theme-icon{font-size:19px;line-height:1}.reading-column{width:min(100% - 48px,680px);margin:58px auto 110px}.breadcrumbs{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted);margin-bottom:34px}.breadcrumbs a{text-decoration:none}.breadcrumbs a:hover{text-decoration:underline}.article-header h1{font-family:Georgia,'Times New Roman',serif;font-weight:400;font-size:45px;line-height:1.15;letter-spacing:-1.3px;margin:0 0 22px;text-wrap:pretty}.meta{font-size:12px;line-height:1.6;color:var(--muted);margin:0}.meta span{margin:0 7px}.article-header{margin-bottom:26px}.contents{font-size:12px;color:var(--muted);padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:32px}.contents summary{cursor:pointer;width:fit-content}.contents nav{display:grid;gap:12px;padding:20px 0 4px 15px}.contents a{text-decoration:none}.contents a:hover{text-decoration:underline;color:var(--ink)}.prose{font-family:Georgia,'Times New Roman',serif;font-size:20px;line-height:1.75;color:var(--body);overflow-wrap:break-word}.prose>p:first-child{font-size:22px;color:var(--ink);line-height:1.65;margin-top:0}.prose p{margin:0 0 25px}.prose h2{font-family:Inter,Arial,sans-serif;font-size:24px;font-weight:550;line-height:1.4;letter-spacing:-.5px;color:var(--ink);margin:48px 0 20px;scroll-margin-top:28px}.prose h3{font-size:22px;color:var(--ink);margin:30px 0 16px}.prose a{text-decoration-color:var(--muted);text-decoration-thickness:1px}.prose a:hover{color:var(--accent);text-decoration-color:var(--accent)}.prose strong{color:var(--ink)}.prose li{padding-left:5px;margin:10px 0}.prose ul,.prose ol{padding-left:26px}.prose table{display:block;overflow-x:auto;border-collapse:collapse;width:100%;margin:30px 0;font:14px/1.6 Inter,Arial,sans-serif}.prose th,.prose td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);min-width:115px;vertical-align:top}.prose th{background:var(--surface);color:var(--ink);font-weight:550}.prose code{font: .78em/1.7 monospace;background:var(--surface);padding:3px 5px;border-radius:3px;overflow-wrap:anywhere}.prose pre{overflow-x:auto;background:var(--surface);padding:18px}.prose blockquote{margin:28px 0;padding-left:24px;border-left:2px solid var(--accent)}.prose blockquote p:last-child{margin-bottom:0}.related{border-top:1px solid var(--line);margin-top:64px;padding-top:28px}.eyebrow{font-size:11px;font-weight:500;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}.related>a{display:block;text-decoration:none;font-size:16px;line-height:1.5;margin-top:20px}.related>a:hover{text-decoration:underline}.related>a span{color:var(--accent)}.related .back{font-size:13px;color:var(--muted);margin-top:32px}.library-column{max-width:800px;width:calc(100% - 48px);margin:72px auto 100px}.library-intro{margin-bottom:48px}.library-intro h1{font-family:Georgia,'Times New Roman',serif;font-size:52px;line-height:1.13;letter-spacing:-1.6px;font-weight:400;margin:22px 0}.library-intro>p:last-child{font-size:16px;line-height:1.8;color:var(--muted)}.topics{display:flex;gap:26px;border-bottom:1px solid var(--line);font-size:12px;flex-wrap:wrap}.topics a{padding:10px 0 16px;color:var(--muted);text-decoration:none}.topics a[aria-current]{color:var(--ink);box-shadow:0 1px var(--accent)}.question-row{display:flex;gap:28px;align-items:center;text-decoration:none;border-bottom:1px solid var(--line);padding:27px 0}.question-row>div{flex:1}.question-row h2{font-size:21px;font-weight:450;line-height:1.45;letter-spacing:-.4px;margin:8px 0}.description{font-size:13px;line-height:1.6;color:var(--muted);margin:0}.row-arrow{color:var(--muted)}.question-row:hover h2{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}.question-row:hover .row-arrow{color:var(--accent)}.site-footer{max-width:1104px;width:calc(100% - 96px);margin:auto;border-top:1px solid var(--line);padding:30px 0 40px;display:flex;justify-content:space-between;gap:24px;font-size:12px;line-height:1.6;color:var(--muted)}.site-footer span span{margin:0 12px}.site-footer a{text-decoration:none;white-space:nowrap}
@media(max-width:768px){.site-header{padding:0 24px;gap:22px;min-height:82px}.site-header nav{gap:20px}.reading-column{margin-top:38px}.library-column{margin-top:46px}.site-footer{width:calc(100% - 48px)}.article-header h1{font-size:39px}}
@media(max-width:480px){.site-header{gap:16px;flex-wrap:wrap;padding-top:20px;padding-bottom:18px;min-height:105px}.brand img{width:67px}.site-header nav{order:3;width:100%;gap:28px}.theme-toggle{border:0;padding:6px}.site-header nav a{font-size:12px}.reading-column{margin:30px auto 64px}.breadcrumbs{margin-bottom:25px}.article-header h1{font-size:35px;letter-spacing:-.8px}.prose{font-size:18px;line-height:1.75}.prose>p:first-child{font-size:20px}.prose h2{font-size:22px}.library-intro h1{font-size:39px}.library-intro{margin-bottom:30px}.library-intro>p:last-child{font-size:15px}.desktop-break{display:none}.topics{gap:8px 22px}.topics a{padding-bottom:12px}.question-row{padding:23px 0;gap:12px}.question-row h2{font-size:19px}.site-footer{flex-direction:column;gap:12px}.meta span{margin:0 4px}}

/* Question links: directional cue without row dividers. */
.question-row{border-bottom:0;padding:9px 16px;margin:0 -16px;gap:18px;border-radius:6px;align-items:baseline}.question-link-arrow{color:var(--accent);font-size:20px;flex:none}.question-row h2{margin:0}.question-row:hover,.question-row:focus-visible{background:var(--surface)}

/* Shared content shell and landing-page footer. */
body{min-height:100vh;display:flex;flex-direction:column}.site-header{width:100%}main{flex:1;width:100%}.content-footer{background:var(--footer-bg);color:var(--muted);border-top:1px solid var(--line);margin-top:auto;padding:36px 40px;font-size:14px}.content-footer-inner{max-width:1120px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:32px}.content-footer-brand{color:var(--ink);font-weight:700;letter-spacing:.02em;text-decoration:none}.content-footer nav{display:flex;gap:20px;flex-wrap:wrap}.content-footer nav a{text-decoration:none}.content-footer nav a:hover{color:var(--ink)}.field-guide-curriculum{display:block}.field-guide-part{margin-top:50px}.field-guide-part-header h2{font-size:18px;font-weight:500;color:var(--muted);margin:0 0 16px}.field-guide-chapter-list{list-style:none;padding:0;margin:0}.field-guide-chapter-row h3{font-size:21px;font-weight:450;line-height:1.45;margin:0;letter-spacing:-.4px}.field-guide-chapter-row .question-row:hover span:last-child{text-decoration:underline;text-underline-offset:5px}.field-guide-block{scroll-margin-top:28px}.field-guide-definitions dd{margin:0}.field-guide-definitions dfn{font-style:normal}.field-guide-evidence-list{font:13px/1.7 Inter,Arial,sans-serif;color:var(--muted);margin:24px 0}.field-guide-evidence{margin:12px 0}.field-guide-evidence strong{font-weight:500;margin-right:8px}.field-guide-table-wrap{max-width:100%;overflow-x:auto}.field-guide-previous-next{border-top:1px solid var(--line);padding-top:28px;margin-top:56px;display:flex;justify-content:space-between;gap:32px}.field-guide-previous-next a{flex:1;text-decoration:none;max-width:48%}.field-guide-previous-next span{display:block;color:var(--muted);font-size:12px;margin-bottom:8px}.field-guide-previous-next strong{font-size:16px;line-height:1.5;font-weight:450}.field-guide-previous-next a:hover strong{text-decoration:underline}.field-guide-next{text-align:right}.field-guide-further-reading{margin-top:48px}.field-guide-further-reading h2{font-size:18px;font-weight:500}.field-guide-source-list article{margin-top:24px}.field-guide-source-list h3{font-size:16px;font-weight:450;line-height:1.5;margin:6px 0}.field-guide-source-list p{color:var(--muted);font-size:13px;line-height:1.7;margin:6px 0}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
@media(max-width:768px){.content-footer{padding:30px 24px}.content-footer-inner{align-items:flex-start;flex-direction:column;gap:24px}.content-footer nav{gap:18px 24px}.site-header nav{gap:18px}}