:root{
  --navy-900:#0D1B2A; --navy-700:#213555; --grey-100:#E6E9EE;
  --cream:#F7F6F2; --orange:#FF6B00;
  /* Brand orange is a FILL colour. As text it measures 2.86:1 on white and
     2.65:1 on the cream -- below the 4.5 AA needs -- and it was carrying the
     nav current-page state, the active sort column and the .up tile value on
     every page. The three tool pages had already solved this for themselves
     (--amber:#C2410C, 5.18:1 on white); site.css never got the same treatment.
     Same value here, so the two halves of the site agree. */
  --orange-text:#C2410C;
  --ink:var(--navy-900); --muted:#5c6a7a; --rule:#d8dde5;
  /* Chart axis/tick labels were #8d9aab: 2.86:1, which is the axis scale being
     unreadable, i.e. the chart carrying no quantitative information at all. */
  --axis:#5c6a7a; --axis-soft:#6b7889;
  --head:"Playfair Display",Georgia,serif; --body:Inter,system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--body);
     font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
header{background:#fff;border-bottom:1px solid var(--rule)}
nav{display:flex;align-items:center;gap:28px;height:68px}
.brand{font-family:var(--head);font-weight:700;line-height:1.05;font-size:15px;
       margin-right:auto;display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand svg{flex:none}
.brand span{display:block}
nav a{color:var(--navy-700);text-decoration:none;font-size:14px;font-weight:500}
nav a:hover,nav a.on{color:var(--orange-text)}
h1{font-family:var(--head);font-size:44px;line-height:1.1;margin:36px 0 8px;font-weight:700}
h2{font-family:var(--head);font-size:26px;margin:36px 0 10px;font-weight:700}
h3{font-size:15px;margin:26px 0 6px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.lede{font-size:18px;color:var(--muted);max-width:70ch;margin:0 0 26px}
p{max-width:72ch}
.controls{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:22px 0}
select,input{font-family:var(--body);font-size:14px;padding:9px 12px;border:1px solid var(--rule);
             border-radius:6px;background:#fff;color:var(--ink)}
input{min-width:220px}
/* a text box gets a readable width; a checkbox is a checkbox -- the rule above gave
   each one a 220px padded box with the tick centred in it */
input[type=checkbox],input[type=radio]{min-width:0;padding:0;margin:0;width:16px;height:16px;
  accent-color:var(--orange-text);cursor:pointer}
.controls label{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;font-size:14px}
.controls .cnt{flex-basis:100%;color:var(--muted);font-size:13px}
@media(max-width:560px){.controls{flex-direction:column;align-items:flex-start;gap:10px}
  .controls label{white-space:normal}}
.meta{color:var(--muted);font-size:13px;margin-left:auto}
.tablewrap{overflow-x:auto;background:#fff;border:1px solid var(--rule);border-radius:10px}
table{border-collapse:collapse;width:100%;min-width:820px;font-size:14px}
th{position:sticky;top:0;background:#fff;text-align:right;padding:13px 14px;font-size:11px;
   letter-spacing:.07em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--rule);
   cursor:pointer;vertical-align:bottom}
th:first-child,td:first-child{text-align:left}
th.on{color:var(--orange-text)}
th[data-k]:focus-visible,th[data-ck]:focus-visible{outline:2px solid var(--orange-text);outline-offset:-2px}
.sortarrow{font-size:9px;letter-spacing:0}
/* methodology cross-links: the three method pages as a hub */
.methrail{display:flex;flex-wrap:wrap;gap:18px;margin:0 0 30px;padding-bottom:12px;
          border-bottom:1px solid var(--rule);font-size:13px;text-transform:uppercase;
          letter-spacing:.07em}
.methrail a{color:var(--muted);text-decoration:none;border-bottom:2px solid transparent;padding-bottom:3px}
.methrail a:hover{color:var(--orange-text);border-bottom-color:var(--orange-text)}
.methrail .on{color:var(--ink);font-weight:600;border-bottom:2px solid var(--orange);padding-bottom:3px}
td{padding:11px 14px;text-align:right;border-bottom:1px solid #eef1f5;white-space:nowrap}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--grey-100)}
.rank{color:var(--muted);width:44px}
.pos{color:var(--muted)}
.pos-neg{color:var(--muted)}
.bar{display:inline-block;height:3px;background:var(--orange);vertical-align:middle;margin-left:8px;border-radius:2px}
.null{color:#aab3bf}
.plink{color:var(--ink);text-decoration:none;border-bottom:1px solid transparent}
.plink:hover{color:var(--orange-text);border-bottom-color:var(--orange-text)}
.tiles{display:flex;gap:14px;flex-wrap:wrap;margin:20px 0 26px}
.tile{background:#fff;border:1px solid var(--rule);border-radius:10px;padding:14px 18px;min-width:158px}
.tile .k{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.tile .v{font-family:var(--head);font-size:27px;font-weight:700;margin-top:3px;line-height:1.1}
.tile .v.up{color:var(--orange-text)}
.tile .sub{font-size:12px;color:var(--muted);margin-top:2px}
.chart{background:#fff;border:1px solid var(--rule);border-radius:10px;padding:18px 18px 10px}
.chart svg{width:100%;height:auto;display:block}
.legend{display:flex;gap:20px;font-size:12px;color:var(--muted);margin-top:10px;flex-wrap:wrap}
.legend i{display:inline-block;width:14px;height:3px;vertical-align:middle;margin-right:6px;border-radius:2px}
.legend i.fill{height:10px;border-radius:2px}
.note{background:#fff;border-left:3px solid var(--orange);padding:16px 20px;margin:26px 0;border-radius:0 8px 8px 0}
.note p{margin:0;max-width:70ch}
footer{margin:60px 0 40px;padding-top:22px;border-top:1px solid var(--rule);color:var(--muted);font-size:13px}
footer a{color:var(--navy-700)}
code{background:var(--grey-100);padding:2px 6px;border-radius:4px;font-size:13px}
.formula{background:#fff;border:1px solid var(--rule);border-radius:8px;padding:18px 20px;
         font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;line-height:2;overflow-x:auto}
@media(max-width:720px){
  h1{font-size:32px} nav{gap:16px;height:auto;padding:12px 0;flex-wrap:wrap}
  .meta{margin-left:0;width:100%}
}
.btn{display:inline-block;background:var(--navy-900);color:#fff;text-decoration:none;
     padding:12px 20px;border-radius:7px;font-size:14px;font-weight:600;margin:0 10px 10px 0}
.btn.ghost{background:transparent;color:var(--navy-900);border:1px solid var(--navy-700)}
.btn.light{background:#fff;color:var(--navy-900)}
/* ---- landing page ---- */
.h-eyebrow{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.h-tag{color:var(--orange-text)}
.h-hero{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center;margin:56px 0 20px}
.h-hero h1{font-size:60px;line-height:1.02;margin:10px 0 18px;letter-spacing:-.01em}
.h-sees{background:#fff;border:1px solid var(--rule);border-top:3px solid var(--orange);border-radius:12px;padding:22px 24px 16px}
.hs-stage{display:grid;margin-top:10px}
.hs-fact{grid-area:1/1;opacity:0;visibility:hidden;transition:opacity .35s}
.hs-fact.on{opacity:1;visibility:visible}
.hs-v{font-family:var(--head);font-size:56px;font-weight:700;line-height:1}
.hs-l{font-size:13px;color:var(--muted);margin-top:4px}
.hs-who{font-family:var(--head);font-size:22px;font-weight:700;margin-top:16px}
.hs-tm{font-family:var(--body);font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.05em}
.hs-sub{font-size:14px;color:var(--muted)}
.hs-nav{display:flex;align-items:center;gap:8px;margin-top:16px}
.hs-dot{width:9px;height:9px;border-radius:50%;border:0;padding:0;background:var(--rule);cursor:pointer}
.hs-dot.on{background:var(--navy-700)}
.hs-pause{margin-left:auto;border:1px solid var(--rule);background:#fff;border-radius:6px;font-size:10px;
          color:var(--muted);width:28px;height:24px;cursor:pointer}
.hs-dot:focus-visible,.hs-pause:focus-visible{outline:2px solid var(--orange-text);outline-offset:2px}
.h-up{color:#1F6B4A} .h-dn{color:#A8321F}
.h-sec{margin:48px 0}
.h-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.h-head h2{margin:4px 0 0}
.h-more{font-size:14px;font-weight:600;color:var(--navy-700);text-decoration:none;border-bottom:1px solid var(--rule)}
.h-more:hover{color:var(--orange-text);border-bottom-color:var(--orange-text)}
.h-board table{min-width:0}
.h-board th:nth-child(2),.h-board td:nth-child(2){text-align:left}
.h-board td{font-variant-numeric:tabular-nums}
.h-mk{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.h-mk-c{background:#fff;border:1px solid var(--rule);border-radius:12px;padding:20px 22px}
.h-mk-t{font-family:var(--head);font-size:22px;font-weight:700}
.h-mk-c p{color:var(--muted);font-size:14px;margin:4px 0 12px}
.h-li{list-style:none;margin:0 0 14px;padding:0}
.h-li li{display:grid;grid-template-columns:auto auto 1fr;column-gap:8px;align-items:baseline;
         padding:9px 0;border-top:1px solid #eef1f5}
.h-li .h-tm{font-size:12px;color:var(--muted);font-weight:600}
.h-li-v{text-align:right;font-weight:700;font-variant-numeric:tabular-nums}
.h-li-s{grid-column:1/-1;font-size:12px;color:var(--muted)}
.h-fine{font-size:13px;color:var(--muted);margin:12px 0 0}
.h-lab{display:grid;grid-template-columns:1fr 1.1fr;gap:36px;align-items:center;margin:56px 0;
       background:var(--navy-900);color:#fff;border-radius:14px;padding:36px 36px}
.h-lab .h-eyebrow{color:#b9c3d0}
.h-lab h2{color:#fff;font-size:34px;line-height:1.1;margin:8px 0 12px}
.h-lab p{color:#d3dae3}
.h-more.light{color:#fff;border-bottom-color:rgba(255,255,255,.4)}
.h-ex{display:block;background:#15263a;border:1px solid #2b4260;border-radius:12px;padding:18px 20px;
      color:#fff;text-decoration:none}
.h-ex:hover{border-color:var(--orange)}
.h-ex-k{font-size:11px;text-transform:uppercase;letter-spacing:.09em;color:#b9c3d0}
.h-ex-g{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:12px}
.h-ex-tm{font-weight:700;font-size:15px}
.h-ex ul{list-style:none;margin:6px 0 10px;padding:0;font-size:14px;color:#d3dae3;line-height:1.5}
.h-ex-v{font-family:var(--head);font-size:30px;font-weight:700;line-height:1}
.h-ex-v.h-up{color:#7fd3a8} .h-ex-v.h-dn{color:#f3a293}
.h-ex-vl{font-size:12px;color:#b9c3d0}
.h-ex-go{margin-top:14px;font-size:13px;font-weight:600;color:#ffb07a}
.h-more-tools{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.h-more-tools a{display:block;background:#fff;border:1px solid var(--rule);border-radius:11px;padding:16px 18px;
                color:var(--ink);text-decoration:none}
.h-more-tools a:hover{border-color:var(--orange)}
.h-more-tools b{font-family:var(--head);font-size:18px}
.h-more-tools span{display:block;font-size:13px;color:var(--muted);margin-top:4px;line-height:1.45}
.h-why{margin:56px 0 20px;padding-top:28px;border-top:1px solid var(--rule)}
.h-why-g{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:32px;margin-top:14px}
.h-why-k{font-size:13px;color:var(--muted)}
.h-why-q{font-family:var(--head);font-size:21px;line-height:1.3;margin-top:6px}
.h-why p{font-size:14px;color:var(--muted);margin:0 0 10px}
@media(max-width:860px){
  .h-hero,.h-lab,.h-why-g{grid-template-columns:1fr;gap:26px}
  .h-hero{margin-top:34px} .h-hero h1{font-size:42px}
  .h-mk,.h-more-tools{grid-template-columns:1fr}
  .h-lab{padding:26px 22px} .hs-v{font-size:46px}
}
@media(max-width:520px){ .h-board .h-tm{display:none} .h-ex-g{grid-template-columns:1fr} }

/* ---- long-form methodology ---- */
.eqn{background:#fff;border:1px solid var(--rule);border-left:3px solid var(--navy-700);
     border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;overflow-x:auto;
     font-family:ui-serif,Georgia,serif;font-size:16px;line-height:2.1;color:var(--ink)}
.eqn sub,.eqn sup{font-size:.72em}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin:22px 0}
.stats>div{background:#fff;border:1px solid var(--rule);border-radius:10px;padding:13px 16px}
.sv{display:block;font-family:var(--head);font-size:23px;font-weight:700;line-height:1.15}
.sl{display:block;font-size:12px;color:var(--muted);margin-top:4px;line-height:1.4}
.methods table{min-width:0}
ul{max-width:72ch;padding-left:22px}
li{margin:7px 0}
li strong{color:var(--ink)}
/* ---- portraits (code/site_art.py) ---- */
.av{display:inline-block;flex:none;border-radius:50%;object-fit:cover;vertical-align:middle;
    background:var(--grey-100);margin-right:8px}
.av-t{display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;
      color:var(--muted);letter-spacing:.02em}
.hs-fact.has-art{display:grid;grid-template-columns:132px 1fr;column-gap:20px;align-items:center}
.hs-art{width:132px;height:auto;border-radius:8px;display:block}
.p-head{display:flex;gap:24px;align-items:flex-end;margin-top:28px}
.p-head h1{margin-top:0}
.p-art{flex:none;width:168px;margin:0}
.p-art img{width:168px;height:auto;border-radius:10px;display:block}
.p-art figcaption{font-size:11px;line-height:1.35;color:var(--muted);margin-top:6px}
.p-art figcaption a{color:inherit}
.crs{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px;margin:22px 0 40px}
.cr{display:flex;gap:14px;background:#fff;border:1px solid var(--rule);border-radius:10px;padding:14px}
.cr img{border-radius:50%;flex:none}
.cr ul{margin:4px 0 0;padding-left:16px;font-size:12px;color:var(--muted)}
.cr ul a{color:inherit;word-break:break-word}
.cr-w{margin:2px 0 0;font-size:13px}
.cr-l{margin:6px 0 0;font-size:12px}
@media (max-width:720px){
  .hs-fact.has-art{grid-template-columns:96px 1fr;column-gap:14px} .hs-art{width:96px}
  .p-head{flex-direction:column;align-items:flex-start} .p-art,.p-art img{width:140px}
}
/* ---- insights (code/site_insights.py) ---- */
.ins-head{margin:40px 0 26px}
.ins-head h1{margin:6px 0 8px}
.ins-by{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;font-size:13px;color:var(--muted)}
.ins-by b{color:var(--ink);font-weight:600}
.ins-av{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;
        background:var(--navy-900);color:#fff;font-size:11px;font-weight:600;letter-spacing:.03em}
.ins-list{display:grid;gap:0;border-top:1px solid var(--rule);margin-bottom:30px}
.ins-card{display:block;color:var(--ink);text-decoration:none;padding:20px 0;border-bottom:1px solid var(--rule)}
.ins-card.has-img{display:grid;grid-template-columns:140px 1fr;gap:20px;align-items:start}
.ins-card b{display:block;font-family:var(--head);font-size:22px;line-height:1.2;margin:6px 0 6px}
.ins-card:hover b{color:var(--orange-text)}
.ins-thumb{width:140px;height:110px;object-fit:cover;object-position:50% 18%;border-radius:8px;display:block;
           background:var(--grey-100)}
.ins-tag{display:inline-block;font-size:10px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;
         color:var(--navy-700);border:1px solid var(--rule);background:#fff;border-radius:4px;padding:1px 6px}
.ins-dek{display:block;font-size:14px;color:var(--muted);max-width:68ch}
.ins-meta{display:block;font-size:12px;color:var(--muted);margin-top:8px}
.ins-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ins-card.col{display:block;background:#fff;border:1px solid var(--rule);border-radius:12px;padding:0;overflow:hidden}
.ins-card.col>div{padding:14px 16px 16px}
.ins-card.col .ins-thumb{width:100%;height:150px;border-radius:0}
.ins-card.col b{font-size:19px}
.ins-hero{background:var(--navy-900);color:#fff;border-radius:14px;padding:34px 36px;margin:32px 0 30px;
          display:grid;grid-template-columns:1fr;gap:28px;align-items:end}
.ins-hero.has-img{grid-template-columns:1fr 220px}
.ins-hero .h-eyebrow{color:#b9c3d0}
.ins-hero h1{color:#fff;font-size:48px;line-height:1.05;margin:8px 0 12px}
.ins-deck{color:#d3dae3;font-size:18px;max-width:60ch;margin:0 0 18px}
.ins-hero .ins-by{color:#b9c3d0}
.ins-hero .ins-by b{color:#fff}
.ins-hero .ins-av{background:#fff;color:var(--navy-900)}
.ins-back{display:inline-block;color:#b9c3d0;text-decoration:none;font-size:13px;margin-bottom:14px}
.ins-back:hover{color:#fff}
.ins-hero-img{width:220px;height:auto;border-radius:10px;display:block}
.ins-body{max-width:700px;margin:0 auto}
.ins-body>p,.ins-body li{font-family:Georgia,"Times New Roman",serif;font-size:19px;line-height:1.65}
.ins-body>p{margin:0 0 20px}
.ins-body h2{font-size:28px;margin:40px 0 12px}
.ins-body .eqn{font-size:17px}
.fn a{color:var(--orange-text);text-decoration:none;font-family:var(--body);font-size:12px;font-weight:600;padding:0 1px}
.ins-src{font-family:var(--body)!important;font-size:13px!important;color:var(--muted);border-top:1px solid var(--rule);
         padding-top:16px;margin-top:34px!important}
.ins-notes{padding-left:20px;margin:10px 0 0}
.ins-body .ins-notes li{font-family:var(--body);font-size:13px;line-height:1.55;color:var(--muted);margin:8px 0}
.ins-notes a{color:var(--navy-700)}
.ins-tab{margin:8px 0 26px}
.ins-tab table{min-width:0}
.ins-tab td,.ins-tab th{padding:9px 12px}
.ins-tab .l{text-align:left}
.ins-fig{margin:10px 0 28px;background:#fff;border:1px solid var(--rule);border-radius:10px;padding:16px 16px 12px}
.ins-fig svg{width:100%;height:auto;display:block;overflow:visible}
.ins-fig figcaption{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.45}
.ins-fig .legend{margin-top:6px}
.ins-fig .legend .dot{width:10px;height:10px;border-radius:50%;background:var(--orange);margin-right:6px}
.ins-fig .legend .dot.open{background:#fff;border:2px solid var(--navy-700);box-sizing:border-box}
.c-grid{stroke:#eef1f5;stroke-width:1}
.c-zero{stroke:var(--axis);stroke-width:1}
.c-tick{font:11px var(--body);fill:var(--axis)}
.c-lab{font:12px var(--body);fill:var(--ink)}
.c-val{font:11px var(--body);fill:var(--muted);font-variant-numeric:tabular-nums}
.c-stem{stroke:var(--rule);stroke-width:2}
.c-paid{fill:#fff;stroke:var(--navy-700);stroke-width:2}
.c-worth{fill:var(--orange);stroke:#fff;stroke-width:2}
.c-dim{fill:#b7c2d0;stroke:#fff;stroke-width:1.5}
.c-bar{fill:var(--navy-700)}
.c-bar:hover,.c-dim:hover{fill:var(--orange)}
.c-mark{stroke:var(--orange);stroke-width:2}
.c-pos{fill:#1F6B4A} .c-neg{fill:#A8321F}
.c-line{fill:none;stroke:var(--navy-700);stroke-width:1.6;opacity:.55}
.c-line-hi{fill:none;stroke:var(--orange);stroke-width:2.4}
.c-lab-hi{font-weight:600}
.c-lead{stroke:var(--axis-soft);stroke-width:1}
.ins-trade td.l{white-space:normal;min-width:220px}
.ins-fine{font-family:var(--body)!important;font-size:12px!important;color:var(--muted);margin:-18px 0 24px!important}
.ins-body h3{font-family:var(--head);text-transform:none;letter-spacing:0;color:var(--ink);font-size:21px;margin:30px 0 8px}
.ins-trade{margin:10px 0 18px}
.ins-trade-h{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:14px;margin-bottom:6px}
.ins-trade-h span{color:var(--muted);font-size:12px}
.ins-trade .ins-tab{margin-bottom:8px}
.ins-wsn{margin:0 0 6px;font-size:14px}
.ins-wsn b:first-child{color:var(--orange-text)}
.ins-ben b:first-child{color:var(--navy-700)}
@media(max-width:860px){
  .ins-hero,.ins-hero.has-img{grid-template-columns:1fr;padding:26px 22px}
  .ins-hero h1{font-size:36px}
  .ins-hero-img{width:150px;order:-1}
  .ins-grid{grid-template-columns:1fr}
  .ins-body>p,.ins-body li{font-size:17px}
}
@media(max-width:520px){
  .ins-card.has-img{grid-template-columns:92px 1fr;gap:14px}
  .ins-thumb{width:92px;height:92px}
}