@font-face{font-family:Inter;src:url("fonts/inter.woff") format("woff");font-weight:300 800;font-display:swap}
@font-face{font-family:"Libre Baskerville";src:url("fonts/libre.woff") format("woff");font-weight:400 700;font-display:swap}
:root{--paper:#f6f0e5;--paper-deep:#e8decc;--cream:#fffaf0;--ink:#26332f;--muted:#5f6963;--forest:#1f4b3d;--ochre:#bd8330;--rust:#a85d2b;--line:#c8bdab;--max:1240px;--read:720px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,Arial,sans-serif;font-size:17px;line-height:1.65}img{display:block;max-width:100%;height:auto}a{color:var(--forest);text-underline-offset:.2em}a:hover{color:var(--rust)}:focus-visible{outline:3px solid var(--rust);outline-offset:4px}.skip{position:absolute;left:-9999px}.skip:focus{left:1rem;top:1rem;z-index:10;background:var(--cream);padding:.7rem 1rem;border:2px solid var(--forest)}
.shell{width:min(calc(100% - 48px),var(--max));margin-inline:auto}.site-header{background:var(--cream);border-bottom:1px solid var(--line)}.header-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:2rem}.brand{font:700 1.1rem/1.1 "Libre Baskerville",serif;color:var(--forest);text-decoration:none}.brand small{display:block;font:600 .66rem/1.3 Inter,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:var(--rust);margin-top:.25rem}.desktop-nav{display:flex;align-items:center;gap:1.45rem;font-size:.9rem}.desktop-nav a{text-decoration:none;color:var(--ink)}.desktop-nav a[aria-current="page"]{color:var(--rust);text-decoration:underline}.mobile-nav{display:none}.mobile-nav summary{cursor:pointer;font-weight:700}.mobile-nav nav{display:grid;gap:.15rem;padding:1rem 0}.mobile-nav a{padding:.45rem 0}
h1,h2,h3{font-family:"Libre Baskerville",Georgia,serif;line-height:1.22;margin-top:0}h1{font-size:clamp(2.45rem,5.8vw,5.4rem);letter-spacing:-.04em;max-width:13ch;margin-bottom:1.1rem}h2{font-size:clamp(1.7rem,3.2vw,2.65rem);letter-spacing:-.025em;margin-bottom:1rem}h3{font-size:1.13rem;margin-bottom:.45rem}p{margin-top:0}.eyebrow{font-size:.76rem;text-transform:uppercase;letter-spacing:.13em;font-weight:800;color:var(--rust);margin-bottom:.75rem}.lead{font:400 clamp(1.1rem,1.6vw,1.3rem)/1.55 "Libre Baskerville",Georgia,serif;color:var(--muted);max-width:64ch}
.image-first{padding:2rem 0 3.5rem}.cover-image{aspect-ratio:16/6;border:1px solid var(--line);background:var(--paper-deep);overflow:hidden}.cover-image img{width:100%;height:100%;object-fit:cover}.cover-copy{display:grid;grid-template-columns:1fr .72fr;gap:clamp(2rem,7vw,7rem);align-items:end;padding-top:2.1rem}.cover-copy h1{margin-bottom:0}.cover-copy .lead{margin-bottom:0}
.map-section{background:var(--cream);border-block:1px solid var(--line);padding:4.5rem 0}.map-intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:4rem;margin-bottom:2rem}.map-intro p{color:var(--muted);max-width:58ch}.mechanics-map{border-top:2px solid var(--forest)}.map-link{display:grid;grid-template-columns:72px 1fr 1fr 38px;gap:1rem;align-items:center;padding:1.4rem 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}.map-link:hover{color:var(--ink);background:var(--paper)}.map-code{color:var(--ochre);font-family:"Libre Baskerville",serif}.map-title{font-weight:800}.map-desc{color:var(--muted)}.map-arrow{font-size:1.5rem;color:var(--rust)}
.project-note{padding:3rem 0}.project-note .shell{display:grid;grid-template-columns:220px 1fr;gap:2rem}.project-note strong{font-family:"Libre Baskerville",serif}.project-note p{margin:0;max-width:74ch;color:var(--muted)}
.page-hero{padding:clamp(3rem,6vw,6rem) 0}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.88fr);gap:clamp(2.5rem,6vw,6rem);align-items:center}.split.reverse{grid-template-columns:minmax(360px,.88fr) minmax(0,1fr)}.split.reverse .hero-media{order:-1}.hero-media{aspect-ratio:4/3;border:1px solid var(--line);overflow:hidden;background:var(--paper-deep)}.hero-media img{width:100%;height:100%;object-fit:cover}.stacked-hero .hero-copy{max-width:850px;margin-bottom:2rem}.stacked-hero .hero-media{aspect-ratio:16/7}
.body-section{padding:1rem 0 6rem}.reference-layout{display:grid;grid-template-columns:minmax(0,var(--read)) 300px;gap:clamp(3rem,8vw,8rem);align-items:start}.reading h2:not(:first-child){margin-top:3rem}.reading>p{max-width:68ch}.mechanics-rail{position:sticky;top:1.5rem;border-top:4px solid var(--ochre);padding-top:1rem}.mechanics-rail h2{font-size:1rem;text-transform:uppercase;letter-spacing:.08em}.mechanics-rail nav{display:grid}.mechanics-rail a{padding:.75rem 0;border-bottom:1px solid var(--line);text-decoration:none}.mechanics-rail p{font-size:.9rem;color:var(--muted)}
.definition-grid{border-top:2px solid var(--forest);margin:1.8rem 0}.definition{display:grid;grid-template-columns:190px 1fr;gap:1.5rem;border-bottom:1px solid var(--line);padding:1.1rem 0}.definition dt{font-family:"Libre Baskerville",serif;font-weight:700}.definition dd{margin:0;color:var(--muted)}
.anatomy{list-style:none;padding:0;margin:2rem 0;counter-reset:part}.anatomy li{counter-increment:part;display:grid;grid-template-columns:44px 1fr;gap:1rem;padding:1.2rem 0;border-top:1px solid var(--line)}.anatomy li::before{content:counter(part);display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--forest);color:#fff;font-weight:800}.anatomy p:last-child{margin-bottom:0}
.note{padding:1.2rem 1.35rem;background:var(--cream);border:1px solid var(--line);border-left:5px solid var(--ochre);margin:2rem 0}.note strong{display:block;color:var(--forest)}.note p{margin:0}.risk-note{border-left-color:var(--rust)}
.compare{display:grid;grid-template-columns:1fr 1fr;margin:2rem 0;border:1px solid var(--line)}.compare section{padding:1.4rem}.compare section+section{border-left:1px solid var(--line)}.compare p{color:var(--muted);margin:0}
.sibling{margin-top:3.5rem;border-top:2px solid var(--forest);padding-top:1.3rem;display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:center}.sibling p{margin:0;color:var(--muted)}.text-link{font-weight:800;text-decoration:none;border-bottom:2px solid var(--ochre)}
.glossary-nav{display:flex;flex-wrap:wrap;gap:.55rem;margin:1.5rem 0 2.5rem}.glossary-nav a{background:var(--cream);border:1px solid var(--line);padding:.45rem .7rem;text-decoration:none}.glossary-entry{padding:1.5rem 0;border-top:1px solid var(--line)}.glossary-entry h2{font-size:1.45rem;margin-bottom:.55rem}.glossary-entry p{margin-bottom:.45rem}.glossary-entry small{color:var(--muted)}
.sources{padding-left:1.2rem}.sources li{margin:1rem 0}.sources a{overflow-wrap:anywhere}
.site-footer{background:var(--forest);color:var(--cream);padding:3.2rem 0}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem}.site-footer .brand,.site-footer a{color:var(--cream)}.site-footer p{color:#d9e2da;max-width:50ch}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:.5rem 1.4rem}
.error-page{padding:6rem 0;min-height:calc(100vh - 77px);display:grid;align-items:center}.error-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:5rem;align-items:center}.error-symbol{width:280px;aspect-ratio:1;border:12px solid var(--forest);border-radius:50%;display:grid;place-items:center;font:700 5rem/1 "Libre Baskerville",serif;color:var(--rust);background:var(--cream)}
@media(max-width:980px){.cover-copy,.map-intro{grid-template-columns:1fr;gap:1rem}.split,.split.reverse{grid-template-columns:1fr}.split.reverse .hero-media{order:0}.hero-media{aspect-ratio:16/8}.reference-layout{grid-template-columns:1fr}.mechanics-rail{position:static;max-width:var(--read)}.footer-grid{gap:2rem}.error-grid{gap:2rem}}
@media(max-width:720px){body{font-size:16.5px}.shell{width:min(calc(100% - 32px),var(--max))}.desktop-nav{display:none}.mobile-nav{display:block}.header-row{min-height:68px}.image-first{display:flex;flex-direction:column;padding:2.8rem 0}.image-first .cover-copy{order:-1;padding:0 0 1.6rem}.cover-image,.hero-media,.stacked-hero .hero-media{aspect-ratio:4/3}.map-section{padding:3.2rem 0}.map-link{grid-template-columns:45px 1fr 28px}.map-desc{grid-column:2/4}.project-note .shell{grid-template-columns:1fr;gap:.5rem}.page-hero{padding:3rem 0}.body-section{padding-bottom:4rem}.definition{grid-template-columns:1fr;gap:.3rem}.compare{grid-template-columns:1fr}.compare section+section{border-left:0;border-top:1px solid var(--line)}.sibling{grid-template-columns:1fr}.footer-grid,.error-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.error-page{min-height:auto}.error-symbol{width:200px;font-size:3.7rem}}
@media(max-width:390px){.shell{width:min(calc(100% - 24px),var(--max))}.footer-links{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}