[hidden]{display:none!important}
:root{font-family:Arial,Helvetica,sans-serif;color:#1d323d;background:#f6f8f7;font-size:16px;line-height:1.65;--bg:#f6f8f7;--paper:#fff;--ink:#1d323d;--muted:#50646c;--line:#cad5d7;--graphite:#19323f;--green:#145f5c;--pale:#e8f1ef;--amber:#8a520d;--amber-bg:#fbf2df;--focus:#e4a530}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink)}html[data-theme=dark]{--bg:#102128;--paper:#172d35;--ink:#edf4f1;--muted:#bed0cf;--line:#3d5860;--graphite:#edf4f1;--green:#8bd6c9;--pale:#254740;--amber:#f3c781;--amber-bg:#443825;--focus:#f3c781;color-scheme:dark}a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{text-decoration-thickness:2px}button,select{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:2px}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Georgia,serif;letter-spacing:-.035em;line-height:1.2}h1{font-size:clamp(2.45rem,6.2vw,5.7rem)}h2{font-size:clamp(1.65rem,3vw,2.65rem)}h3{font-size:1.25rem;line-height:1.35}p{max-width:72ch}.eyebrow{font-size:.81rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--green)}.skip-link{position:absolute;left:1rem;top:-5rem;z-index:50;padding:.6rem 1rem;background:var(--paper)}.skip-link:focus{top:.5rem}.site-header{border-bottom:1px solid var(--line);background:var(--paper);position:relative;z-index:10}.header-inner{max-width:1520px;margin:auto;min-height:84px;padding:0 clamp(1rem,4vw,3.6rem);display:flex;align-items:center;gap:clamp(.8rem,2vw,2rem)}.brand{display:flex;gap:.65rem;align-items:center;text-decoration:none;color:var(--graphite);font-size:.83rem;font-weight:700;line-height:1.1;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:45px;height:45px;background:#173542;color:#f3f8f6;font-size:1.1rem;letter-spacing:-.08em}.brand-mark span{color:#a0cabc}.primary-nav{display:flex;align-items:center;gap:clamp(.4rem,1.2vw,1.35rem);margin-left:auto}.primary-nav a{color:var(--ink);font-size:.82rem;font-weight:700;text-decoration:none;white-space:nowrap;padding:.5rem .1rem;border-bottom:2px solid transparent}.primary-nav a:hover,.primary-nav a[aria-current=page]{color:var(--green);border-bottom-color:var(--green)}.header-actions{display:flex;gap:.65rem;align-items:center}.lang-switch{font-size:.8rem;font-weight:700;white-space:nowrap}.theme-toggle,.menu-toggle{border:1px solid var(--line);background:transparent;color:var(--ink);min-width:40px;min-height:40px}.theme-toggle{font-size:1.25rem;line-height:1}.menu-toggle{display:none;padding:.45rem .7rem;font-size:.85rem}main{min-height:65vh}.hero{max-width:1520px;margin:auto;display:grid;grid-template-columns:minmax(0,1.8fr) minmax(280px,.7fr);min-height:660px;border-left:1px solid var(--line);border-right:1px solid var(--line)}.hero-copy{padding:clamp(3rem,8vw,8rem) clamp(1.3rem,5vw,6rem) 5rem}.hero h1{max-width:900px;margin:1.5rem 0 1.7rem}.hero .lead{font-size:clamp(1.15rem,2vw,1.42rem);max-width:670px;line-height:1.65;color:var(--muted)}.hero-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:2.2rem}.button{display:inline-flex;align-items:center;min-height:48px;padding:.7rem 1.2rem;text-decoration:none;font-weight:700;font-size:.9rem}.button.primary{background:var(--green);color:#fff}.button.secondary{border:1px solid var(--green);color:var(--green)}.button:hover{filter:brightness(.9)}.hero-aside{background:#19323f;color:#f3f8f6;padding:2.1rem clamp(1.5rem,3vw,3rem);display:flex;flex-direction:column}.margin-number{font-family:Georgia,serif;font-size:clamp(3.5rem,5vw,5.5rem);line-height:1;opacity:.25}.aside-label{text-transform:uppercase;font-size:.8rem;font-weight:700;letter-spacing:.15em;margin:2rem 0 1.3rem;color:#b9dad2}.chain{list-style:none;margin:0;padding:0}.chain li{display:flex;align-items:baseline;gap:1rem;padding:.7rem 0;border-top:1px solid #4e6872;font-size:1rem}.chain li span{font-size:.74rem;color:#a9d9cf}.scope-band{background:#e9efed;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:1.7rem max(1.2rem,calc((100vw - 1370px)/2));display:grid;grid-template-columns:180px 1fr;gap:2rem}.scope-band p{font-family:Georgia,serif;font-size:1.15rem;line-height:1.55;max-width:900px;margin:0}.band-label{text-transform:uppercase;font-size:.8rem;font-weight:700;letter-spacing:.13em;color:var(--green)}html[data-theme=dark] .scope-band{background:#244039}.section-wrap{max-width:1370px;margin:auto;padding:clamp(3.5rem,7vw,6rem) 1.4rem}.section-heading{display:grid;grid-template-columns:1fr 2fr;gap:2rem;border-bottom:1px solid var(--line);padding-bottom:1.4rem}.section-heading h2{margin:0}.editorial-grid{display:grid;grid-template-columns:repeat(3,1fr)}.editorial-grid article{padding:2rem 2rem 1rem 0;margin-right:2rem;border-right:1px solid var(--line)}.editorial-grid article:last-child{border-right:0}.editorial-grid h3{font-family:Georgia,serif;font-size:1.45rem;margin:1rem 0}.editorial-grid p{color:var(--muted)}.next-strip{border-top:1px solid var(--line);display:flex;align-items:center;gap:1.5rem;padding-top:2rem;padding-bottom:2.5rem}.next-strip p{margin:0 auto 0 0;font-weight:700}.text-link{display:inline-block;font-weight:700;text-decoration-thickness:1px;white-space:normal}.text-link:after{content:' ↗';font-weight:400}.site-footer{background:#19323f;color:#e9f1ef;padding:3.5rem 1.4rem}.footer-grid{max-width:1370px;margin:auto;display:flex;justify-content:space-between;gap:2rem}.footer-grid p{color:#c6d9d5;font-size:.88rem}.footer-brand{font-weight:700;text-transform:uppercase;letter-spacing:.06em}.footer-brand span{font-weight:400;color:#a7ccc1}.site-footer .eyebrow{color:#a7ccc1}.page-masthead{max-width:1370px;margin:auto;padding:clamp(3.6rem,7vw,6.5rem) 1.4rem 3rem;border-bottom:1px solid var(--line)}.page-masthead h1{margin:.7rem 0 1.5rem}.deck{font-size:clamp(1.15rem,2vw,1.4rem);line-height:1.6;color:var(--muted);max-width:850px}.reading-layout{max-width:1370px;margin:auto;display:grid;grid-template-columns:265px 1fr;gap:clamp(2rem,6vw,7rem);padding:3rem 1.4rem 6rem}.chapter-index{align-self:start;position:sticky;top:2rem}.chapter-index a{display:flex;gap:.8rem;border-top:1px solid var(--line);padding:.75rem 0;color:var(--ink);text-decoration:none;font-weight:600;font-size:.92rem}.chapter-index a span{color:var(--green);font-size:.75rem}.chapter{display:grid;grid-template-columns:110px 1fr;gap:2rem;padding:2.2rem 0 4rem;border-bottom:1px solid var(--line);scroll-margin-top:1rem}.chapter:first-child{padding-top:0}.chapter-no{font-family:Georgia,serif;font-size:2.5rem;color:var(--green)}.chapter h2{margin-bottom:1.5rem}.chapter-lead{font-size:1.18rem;line-height:1.75}.chapter-note{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem;margin:2rem 0;color:var(--muted)}.chapter-note p{border-top:2px solid var(--line);padding-top:1rem}.evidence-wrap{max-width:1370px;margin:auto;padding:2.5rem 1.4rem 6rem}.filters{display:flex;align-items:end;gap:1rem;flex-wrap:wrap;padding:1.5rem;background:var(--paper);border:1px solid var(--line)}.filters label{display:flex;flex-direction:column;gap:.35rem;font-size:.82rem;font-weight:700;min-width:220px}.filters select{appearance:auto;min-height:44px;max-width:100%;padding:.45rem .65rem;background:var(--bg);border:1px solid var(--line);color:var(--ink)}.filters button{min-height:44px;border:0;background:transparent;color:var(--green);font-size:.85rem;font-weight:700;text-decoration:underline}.filter-count{font-size:.83rem;color:var(--muted);margin:1rem 0 1.5rem}.evidence-card{display:grid;grid-template-columns:150px 1fr;background:var(--paper);border:1px solid var(--line);margin:1.4rem 0;scroll-margin-top:1.5rem}.card-rail{background:var(--pale);color:var(--green);border-right:1px solid var(--line);padding:1.5rem 1rem;display:flex;flex-direction:column;justify-content:space-between;font-size:.77rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em}.card-main{padding:2rem clamp(1.2rem,3vw,3rem)}.card-top{display:flex;justify-content:space-between;gap:1rem;align-items:start;border-bottom:1px solid var(--line);padding-bottom:1rem}.card-top h2{font-size:1.7rem;margin:.3rem 0}.card-top .eyebrow{margin:0}.source-chip{border:1px solid var(--line);color:var(--muted);padding:.25rem .55rem;font-size:.75rem;white-space:nowrap}.evidence-chain{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:1.5rem 0}.chain-step{padding:1rem 1.2rem;border-left:1px solid var(--line)}.chain-step:first-child{border-left:0;padding-left:0}.chain-step.limit{background:var(--amber-bg);padding-left:1.2rem}.step-label{display:block;font-size:.72rem;text-transform:uppercase;font-weight:700;letter-spacing:.1em;color:var(--green);margin-bottom:.7rem}.chain-step.limit .step-label{color:var(--amber)}.chain-step p{font-size:.92rem;margin:0}.published blockquote{font-family:Georgia,serif;color:var(--green);font-size:1.25rem;line-height:1.6;margin:0}.card-source{display:flex;justify-content:space-between;gap:1rem;align-items:center;border-top:1px solid var(--line);padding-top:1rem;color:var(--muted);font-size:.8rem}.method-layout{max-width:1370px;margin:auto;padding:4rem 1.4rem;display:grid;grid-template-columns:2fr .7fr;gap:5rem}.method-steps{padding:0;margin:2rem 0;list-style:none}.method-steps li{display:grid;grid-template-columns:70px 1fr;gap:1.5rem;padding:1.5rem 0;border-top:1px solid var(--line)}.method-no{font-family:Georgia,serif;font-size:2rem;color:var(--green)}.method-steps h3{margin-bottom:.45rem}.method-steps p{color:var(--muted);margin:0}.method-aside{align-self:start;background:#19323f;color:#f3f8f6;padding:2rem}.method-aside .eyebrow{color:#a9d9cf}.method-aside p:last-child{font-family:Georgia,serif;font-size:1.2rem}.detail-grid{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:4rem}.detail-grid article{border-bottom:1px solid var(--line);padding-bottom:2rem}.detail-grid p{color:var(--muted)}.families{list-style:none;padding:0;columns:2}.families li{break-inside:avoid;display:flex;gap:.7rem;padding:.35rem 0}.families li span{font-family:Georgia,serif;color:var(--green);font-weight:700}.source-intro{max-width:1370px;margin:auto;display:flex;justify-content:space-between;gap:2rem;align-items:center;padding:2rem 1.4rem}.source-intro p:last-child{max-width:800px;margin:0}.legend{display:flex;gap:.5rem;flex-wrap:wrap}.status{display:inline-block;padding:.24rem .48rem;background:var(--amber-bg);color:var(--amber);font-size:.75rem;font-weight:700;line-height:1.35}.status.complete{background:var(--pale);color:var(--green)}.table-scroller{max-width:1370px;margin:0 auto 1rem;overflow:auto;border:1px solid var(--line);background:var(--paper)}table{border-collapse:collapse;width:100%;min-width:850px;font-size:.85rem}thead{background:#19323f;color:#f3f8f6}th,td{text-align:left;padding:.85rem .75rem;border-bottom:1px solid var(--line);vertical-align:top}th[scope=row]{width:185px;color:var(--ink)}tbody tr:nth-child(even){background:var(--bg)}td a{white-space:nowrap}.table-note{max-width:1370px;margin:0 auto 5rem;padding:0 1.4rem;color:var(--muted);font-size:.84rem}.paper-layout{max-width:1370px;margin:auto;display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,.75fr);gap:clamp(2rem,6vw,6rem);padding:4rem 1.4rem 6rem}.paper-body{max-width:760px}.paper-title{font-size:clamp(2rem,4vw,3.4rem);margin:1.2rem 0 3rem}.paper-body section{border-top:1px solid var(--line);padding:1.6rem 0}.paper-body section h2{font-size:1.5rem}.paper-body section p{font-size:1.04rem;line-height:1.85}.paper-caveat{border-left:4px solid var(--amber);background:var(--amber-bg);padding:1.5rem;margin:2rem 0}.paper-caveat h2{font-size:1.25rem;color:var(--amber)}.paper-caveat p{margin:0}.reference-list{padding-left:1.2rem}.reference-list li{margin:.8rem 0}.paper-sidebar{align-self:start;position:sticky;top:1rem;background:var(--paper);border:1px solid var(--line);padding:1.5rem}.paper-sidebar h2{font-size:1.35rem}.materials{list-style:none;padding:0;margin:0}.materials li{border-top:1px solid var(--line);padding:1rem 0;display:flex;justify-content:space-between;gap:1rem}.materials p{font-size:.82rem;color:var(--muted);margin:.3rem 0 0}.materials .text-link{font-size:.8rem}.sidebar-note{background:var(--amber-bg);color:var(--amber);padding:1rem;font-size:.82rem;margin-top:1.5rem}.timeline{max-width:1000px;margin:3rem auto 7rem;padding:0 1.4rem;list-style:none}.timeline li{display:grid;grid-template-columns:190px 1fr;gap:2rem;padding:2rem 0;border-top:1px solid var(--line)}.timeline time{font-family:Georgia,serif;color:var(--green);font-size:1.5rem}.timeline h2{font-size:1.5rem;margin-bottom:.7rem}.timeline p{color:var(--muted)}@media(max-width:1100px){.header-inner{flex-wrap:wrap;padding-top:.7rem;padding-bottom:.7rem}.primary-nav{order:4;width:100%;justify-content:space-between;margin-left:0}.hero{min-height:0}.hero-copy{padding:5rem 2.5rem}.hero-aside{padding:2rem}.paper-layout{gap:2rem}}@media(max-width:750px){.header-inner{min-height:68px}.brand-mark{width:40px;height:40px}.menu-toggle{display:block;margin-left:auto}.header-actions{order:3}.primary-nav{display:none;order:4;flex-direction:column;align-items:stretch;gap:0}.primary-nav.open{display:flex}.primary-nav a{padding:.65rem 0;border-bottom:1px solid var(--line)}.hero{display:block;border:0}.hero-copy{padding:4rem 1.3rem}.hero h1{font-size:clamp(2.45rem,10vw,4rem)}.hero-aside{padding:2rem 1.3rem}.chain{display:grid;grid-template-columns:1fr 1fr;column-gap:1.5rem}.scope-band{display:block;padding:1.6rem 1.3rem}.scope-band p{margin-top:.5rem}.section-wrap{padding:3.5rem 1.3rem}.section-heading{display:block}.editorial-grid{display:block}.editorial-grid article{border-right:0;border-bottom:1px solid var(--line);padding:1.5rem 0;margin:0}.next-strip{display:block}.next-strip a{margin-right:1rem;margin-top:1rem}.reading-layout{display:block;padding:2rem 1.3rem 4rem}.chapter-index{position:static;display:grid;grid-template-columns:1fr 1fr;gap:0 1rem;margin-bottom:2.5rem}.chapter-index .eyebrow{grid-column:1/-1}.chapter{display:block;padding:2rem 0 3rem}.chapter-no{font-size:1.5rem;margin-bottom:.5rem}.chapter-note{display:block}.chapter-note p{margin:1rem 0}.evidence-wrap{padding:2rem 1rem 4rem}.filters{display:block}.filters label{margin-bottom:.8rem}.filters select{width:100%}.evidence-card{display:block}.card-rail{display:flex;flex-direction:row;gap:1rem;border-right:0;border-bottom:1px solid var(--line);padding:.6rem 1rem}.card-main{padding:1.2rem}.card-top{display:block}.source-chip{display:inline-block;margin:.4rem 0}.evidence-chain{display:block}.chain-step,.chain-step:first-child{border-left:0;border-top:1px solid var(--line);padding:1.1rem 0}.chain-step.limit{padding:1rem}.card-source{display:block}.card-source a{display:block;margin-top:.6rem}.method-layout{display:block;padding:3rem 1.3rem}.method-aside{margin-top:2rem}.method-steps li{grid-template-columns:50px 1fr;gap:1rem}.detail-grid{display:block}.detail-grid article{padding-top:1.5rem}.source-intro{display:block;padding:2rem 1rem}.legend{margin-top:1rem}.table-scroller{margin:0 1rem}.paper-layout{display:block;padding:3rem 1.3rem}.paper-sidebar{position:static;margin-top:2rem}.timeline{margin:2rem auto 5rem}.timeline li{display:block}.timeline time{display:block;margin-bottom:.5rem}.footer-grid{display:block}.footer-grid>div+div{margin-top:2rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

@media(min-width:751px){.evidence-chain .chain-step:nth-child(n+4){border-top:1px solid var(--line)}}
.evidence-chain .text-link{margin-top:.65rem;font-size:.84rem}

/* Compact home hero */
.hero {
  min-height: 0;
  grid-template-columns: minmax(0, 1.8fr) minmax(260px, .7fr);
}
.hero-copy {
  padding: clamp(2rem, 3vw, 2.75rem) clamp(1.3rem, 3vw, 3rem);
}
.hero h1 {
  max-width: 760px;
  font-size: clamp(2rem, 3.2vw, 3.1rem);
  line-height: 1.1;
  margin: .55rem 0 .75rem;
}
.hero .lead {
  font-size: clamp(.98rem, 1.2vw, 1.08rem);
  line-height: 1.45;
  max-width: 640px;
}
.hero-actions { margin-top: 1rem; }
.hero-aside { padding: 1.3rem clamp(1.3rem, 2.2vw, 2rem); }
.margin-number { font-size: clamp(2.2rem, 3vw, 3.1rem); }
.aside-label { margin: .8rem 0 .5rem; }
.chain li { padding: .36rem 0; font-size: .88rem; }
@media (max-width: 1100px) {
  .hero-copy { padding: 2rem 1.65rem; }
}
@media (max-width: 750px) {
  .hero-copy { padding: 1.8rem 1.3rem; }
  .hero h1 { font-size: clamp(1.85rem, 7vw, 2.3rem); }
  .hero .lead { font-size: 1rem; }
  .hero-aside { padding: 1.2rem 1.3rem; }
}