:root{color-scheme:light;--ink:#162537;--muted:#5d6a78;--night:#101e30;--night-2:#182c42;--paper:#f4f1ea;--white:#fffefa;--line:#d8ddd9;--mint:#b9edca;--teal:#3b917e;--amber:#f1c66e;--coral:#e7a996;--blue:#95bfdf;--lilac:#c3b8e9;--green:#b7d78d;--shadow:0 22px 60px rgba(13,29,44,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.55}button,select{font:inherit}a{color:inherit}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #e7ae43;outline-offset:4px}.shell{width:min(1440px,calc(100% - 64px));margin-inline:auto}.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:#fff;padding:10px 14px}.skip-link:focus{top:12px}
.site-header{height:82px;padding:0 max(32px,calc((100vw - 1440px)/2));display:flex;align-items:center;justify-content:space-between;background:var(--night);color:#f8f8f1;border-bottom:1px solid rgba(255,255,255,.12)}.brand{display:flex;gap:13px;align-items:center;text-decoration:none}.brand-mark{font-size:28px;font-weight:900;letter-spacing:-.13em}.brand-dot{color:var(--mint)}.brand-text{display:flex;flex-direction:column;font-size:11px;letter-spacing:.2em;font-weight:800;line-height:1.5}.brand-text small{font-size:10px;color:var(--mint);letter-spacing:.16em}.main-nav{display:flex;gap:34px}.main-nav a{text-decoration:none;font-size:13px;font-weight:700;color:#d9e2e5}.main-nav a:hover,.site-footer a:hover{color:var(--mint)}.header-count{border:1px solid rgba(255,255,255,.24);border-radius:30px;padding:8px 13px;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.count-dot{display:inline-block;width:7px;height:7px;background:var(--mint);border-radius:50%;margin-right:6px}
.intro{padding:84px 0 87px}.eyebrow,.section-kicker,.note-index{font-size:11px;font-weight:900;letter-spacing:.19em;color:var(--teal)}.eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:28px}.eyebrow-rule{height:2px;width:36px;background:var(--teal)}.intro-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);align-items:end;gap:8vw}.intro h1{max-width:850px;margin:0;font-size:clamp(48px,6.1vw,90px);line-height:.99;letter-spacing:-.065em;font-weight:850}.intro h1 em{font-family:Georgia,serif;font-weight:400;color:var(--teal);letter-spacing:-.055em}.lede{max-width:720px;margin:26px 0 28px;color:#4f6070;font-size:clamp(16px,1.3vw,20px);line-height:1.65}.primary-link{display:inline-flex;align-items:center;gap:30px;padding:15px 19px;background:var(--night);color:white;text-decoration:none;border-radius:4px;font-size:13px;font-weight:800}.primary-link span{font-size:20px;line-height:1}.primary-link:hover{background:#244561}.intro-note{padding:25px 26px 24px;border-left:2px solid var(--teal);background:rgba(255,255,255,.55)}.note-index{color:var(--muted)}.intro-note p{font-family:Georgia,serif;font-size:clamp(18px,1.5vw,23px);line-height:1.4;margin:15px 0 0}.intro-note strong{font-weight:700}
.explore-section{background:var(--night);color:#f5f8f6;padding:74px 0 88px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:31px}.section-kicker{margin:0 0 8px}.explore-section .section-kicker,.criteria-section .section-kicker{color:var(--mint)}.section-heading h2,.criteria-layout h2{font-size:clamp(33px,3.3vw,50px);letter-spacing:-.045em;line-height:1.08;margin:0}.section-heading>p{max-width:385px;margin:0;color:var(--muted);font-size:14px}.explore-section .section-heading>p{color:#b8c8d3}.map-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(345px,.8fr);gap:18px;align-items:stretch}.map-card,.detail-card{border:1px solid rgba(255,255,255,.13);border-radius:12px;min-width:0}.map-card{background:radial-gradient(circle at 50% 50%,rgba(42,89,104,.32),transparent 42%),var(--night-2);padding:24px 25px 20px;min-height:680px}.map-card-top{display:flex;justify-content:space-between;color:#92a6b4;font-size:10px;font-weight:900;letter-spacing:.18em}.map-canvas{position:relative;aspect-ratio:1.42;min-height:550px;max-height:620px}.connectors{position:absolute;inset:0;width:100%;height:100%;overflow:visible}.connectors path{stroke:#4e7385;stroke-width:1.8;fill:none;stroke-dasharray:5 7}.connectors circle{fill:var(--mint)}.connectors circle:first-of-type{fill:none;stroke:#48717b;stroke-width:1;stroke-dasharray:4 8}.map-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:28%;min-width:180px;aspect-ratio:1.18;border-radius:50%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:15px;background:#bceace;color:var(--night);box-shadow:0 0 0 12px rgba(185,237,202,.12),0 0 60px rgba(145,233,179,.16)}.core-number{font-size:9px;letter-spacing:.15em;font-weight:900}.map-core strong{font-size:clamp(15px,1.4vw,22px);line-height:1.1;letter-spacing:-.04em;margin:6px 0}.map-core small{max-width:160px;font-size:10px;line-height:1.25;color:#35554e}.map-node{position:absolute;width:27%;min-height:98px;background:#f7f9f5;color:var(--ink);border:2px solid transparent;border-radius:8px;padding:13px 14px;text-align:left;cursor:pointer;box-shadow:0 12px 35px rgba(0,0,0,.12);transition:transform .2s,border-color .2s,background .2s}.map-node:hover{transform:translateY(-5px)}.map-node[aria-pressed="true"]{border-color:var(--mint);background:#fff;box-shadow:0 0 0 4px rgba(185,237,202,.15),0 12px 35px rgba(0,0,0,.15)}.map-node .node-top{display:flex;justify-content:space-between;align-items:center;color:#6c7b88;font-size:10px;font-weight:900;letter-spacing:.08em}.map-node .node-symbol{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:var(--node-color);color:#172639;font-size:13px;font-weight:900}.map-node strong{display:block;margin:8px 0 1px;font-size:clamp(12px,1.03vw,16px);line-height:1.14;letter-spacing:-.02em}.map-node small{display:block;color:#586976;font-size:10px;line-height:1.25}.pos-0{left:5%;top:7%}.pos-1{right:5%;top:7%}.pos-2{left:0;top:40%}.pos-3{right:0;top:40%}.pos-4{left:5%;bottom:7%}.pos-5{right:5%;bottom:7%}.map-caption{font-size:12px;color:#a9bdc9;margin:4px 0 0}.map-caption strong{font-weight:600;color:#e4f0eb}
.detail-card{background:#f8faf7;color:var(--ink);padding:27px 26px 0;display:flex;flex-direction:column;box-shadow:var(--shadow)}#detail-content{flex:1}.detail-overline{display:flex;justify-content:space-between;gap:10px;align-items:center;color:var(--teal);font-size:10px;font-weight:900;letter-spacing:.14em}.detail-type{color:#596878;border:1px solid #d7e0dc;border-radius:30px;padding:5px 8px;font-size:9px;text-align:right;letter-spacing:.04em}.detail-title{font-size:clamp(31px,2.8vw,43px);letter-spacing:-.055em;line-height:1.05;margin:18px 0 10px}.detail-intro{font-size:14px;line-height:1.55;color:#4c5d69;margin:0 0 16px}.detail-question{padding:13px 15px;border-left:3px solid var(--accent);background:#edf4ef;font-family:Georgia,serif;font-size:14px;margin:0 0 18px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px 15px;padding-bottom:17px;border-bottom:1px solid var(--line)}.detail-item span,.evidence-label{display:block;font-size:9px;font-weight:900;letter-spacing:.15em;text-transform:uppercase;color:var(--teal);margin-bottom:4px}.detail-item p{font-size:12px;margin:0;line-height:1.43}.evidence-title{font-size:10px;font-weight:900;letter-spacing:.15em;color:var(--teal);margin:19px 0 8px}.study-name{font-family:Georgia,serif;font-size:16px;line-height:1.28;margin:0 0 10px}.study-meta{display:grid;grid-template-columns:1fr;gap:8px}.study-meta p{font-size:12px;line-height:1.42;margin:0}.study-meta strong{color:#284d59}.critical{background:#e9efeb;border-radius:6px;padding:11px 12px;margin:13px 0;font-size:12px;line-height:1.45}.critical strong{display:block;font-size:9px;letter-spacing:.13em;text-transform:uppercase;color:#315b58;margin-bottom:4px}.study-link{display:inline-flex;gap:8px;align-items:center;color:#1c645e;font-size:11px;font-weight:800;text-decoration-thickness:1px;text-underline-offset:3px}.detail-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:17px;padding:14px 0;border-top:1px solid var(--line)}.step-button{border:0;background:transparent;color:#315762;font-size:11px;font-weight:800;cursor:pointer;padding:6px 0}.step-button:hover{text-decoration:underline}.detail-actions span{font-size:10px;font-weight:900;color:#819195;letter-spacing:.1em}
.compare-section{padding:92px 0 96px}.compare-heading{margin-bottom:28px}.compare-controls{display:flex;align-items:end;gap:16px;margin-bottom:20px}.compare-controls label{flex:1;max-width:390px;color:#5b6974;font-size:11px;text-transform:uppercase;letter-spacing:.14em;font-weight:900}.compare-controls select{display:block;width:100%;margin-top:9px;padding:13px 38px 13px 14px;border:1px solid #cbd4d1;background:#fff;color:var(--ink);border-radius:5px;font-size:14px;text-transform:none;letter-spacing:0;font-weight:700}.compare-versus{font-size:24px;color:var(--teal);padding-bottom:9px}.compare-table-wrap{overflow-x:auto;border:1px solid #d7ddd7;border-radius:8px;background:#fff}.compare-table{width:100%;border-collapse:collapse;min-width:640px}.compare-table th,.compare-table td{border-bottom:1px solid #e5eae6;text-align:left;vertical-align:top;padding:15px 17px}.compare-table tr:last-child th,.compare-table tr:last-child td{border-bottom:0}.compare-table thead th{background:#e9efea;font-size:12px}.compare-table thead th:first-child{width:22%}.compare-table tbody th{color:#3b6870;text-transform:uppercase;font-size:10px;letter-spacing:.12em;width:22%}.compare-table td{font-size:13px;line-height:1.5}.method-note{display:flex;gap:15px;align-items:start;margin-top:21px;padding:17px 19px;border:1px solid #c9d8d1;border-radius:6px;background:#eaf1ec}.method-note p{margin:0;font-size:13px;line-height:1.52}.note-symbol{width:24px;height:24px;border-radius:50%;flex:none;display:grid;place-items:center;background:var(--teal);color:white;font-weight:900;font-size:13px}
.criteria-section{background:#dce9df;padding:75px 0}.criteria-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:9vw;align-items:center}.criteria-section .section-kicker{color:#3c7764}.criteria-layout h2{max-width:470px}.criteria-list{border-top:1px solid #9dbaa8}.criteria-list>div{display:grid;grid-template-columns:50px 1fr;gap:10px;padding:17px 0;border-bottom:1px solid #9dbaa8}.criteria-list span{font-family:Georgia,serif;color:#397766;font-size:23px}.criteria-list p{margin:0;font-size:14px}.criteria-list strong{font-weight:800}
.sources-section{padding:86px 0 90px}.source-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}.source-list li{background:#fff;padding:20px;border:1px solid #d9dfd9;border-radius:6px;display:flex;gap:15px}.source-num{font-size:11px;color:var(--teal);font-weight:900;letter-spacing:.1em}.source-list p{margin:0 0 8px;font-size:12px;line-height:1.5}.source-list a{font-size:11px;font-weight:800;color:#1c645e;text-underline-offset:3px}.source-footnote{color:var(--muted);font-size:12px;margin:20px 0 0;max-width:800px}.site-footer{background:var(--night);color:#acbec8}.footer-inner{min-height:90px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.site-footer a{text-decoration:none;color:#e0eee7}
@media(max-width:1180px){.map-layout{grid-template-columns:1fr}.map-card{min-height:0}.map-canvas{max-width:900px;margin:auto}.detail-card{max-width:none}.detail-grid{grid-template-columns:repeat(4,1fr)}.study-meta{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.shell{width:min(100% - 34px,600px)}.site-header{padding:0 17px;height:67px}.main-nav{gap:14px}.main-nav a{font-size:11px}.header-count{display:none}.intro{padding:59px 0 65px}.intro-grid,.criteria-layout{grid-template-columns:1fr;gap:30px}.intro h1{font-size:clamp(45px,11vw,68px)}.intro-note{max-width:500px}.explore-section{padding:60px 0 65px}.section-heading{display:block}.section-heading>p{margin-top:14px}.map-card{padding:18px}.map-canvas{aspect-ratio:auto;min-height:0;max-height:none;padding:16px 0 2px}.connectors{display:none}.map-core{position:relative;left:auto;top:auto;transform:none;margin:0 auto 18px;width:210px;height:170px;min-width:0}.map-nodes{display:grid;grid-template-columns:1fr 1fr;gap:10px}.map-node{position:static;width:100%;min-height:94px}.map-node:hover{transform:none}.map-node strong{font-size:14px}.map-caption{margin-top:17px}.detail-grid{grid-template-columns:1fr 1fr}.study-meta{grid-template-columns:1fr}.detail-card{padding:22px 20px 0}.compare-section,.sources-section{padding:64px 0}.compare-controls{gap:8px}.compare-controls label{font-size:10px}.compare-controls select{font-size:12px;padding:11px 9px}.compare-versus{font-size:18px}.criteria-section{padding:59px 0}.source-list{grid-template-columns:1fr}.footer-inner{flex-direction:column;align-items:flex-start;justify-content:center;padding:20px 0;gap:5px}}
@media(max-width:430px){.brand-text{display:none}.main-nav{gap:11px}.map-nodes{grid-template-columns:1fr}.map-node{min-height:76px}.map-node strong{margin:3px 0}.map-node .node-top{font-size:9px}.detail-grid{grid-template-columns:1fr}.detail-title{font-size:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.map-node{transition:none}}
@media print{body{background:#fff}.site-header,.main-nav,.primary-link,.detail-actions,.compare-section,.criteria-section,.site-footer{display:none!important}.shell{width:100%}.intro{padding:0 0 15px}.intro-note{display:none}.intro h1{font-size:36px}.explore-section{background:#fff;color:#111;padding:0}.map-layout{display:block}.map-card{background:#fff;border:1px solid #888;min-height:0;page-break-inside:avoid}.map-canvas{min-height:480px}.map-node{box-shadow:none;border:1px solid #666}.map-core{box-shadow:none;border:1px solid #666}.detail-card{box-shadow:none;border:1px solid #888;margin-top:15px;page-break-inside:avoid}.sources-section{padding:20px 0}.source-list{display:block}.source-list li{padding:4px 0;border:0}}
@media(min-width:1181px){.map-layout{align-items:start}.map-card{position:sticky;top:16px;min-height:0}}
.map-download{display:inline-block;margin-left:8px;color:#b9edca;font-weight:800;text-underline-offset:3px}.map-download:hover{color:#fff}