/* EDITUA Report 4 — Regreening priority, as a storyscroll.
   EKA identity (Stuudio Stuudio, 2018): Helvetica, black on white, mint #00D2A0, square corners.
   Storyscroll mechanics after coplanai.com/mission v2: full-viewport steps, one sticky stage per
   section, chapter slides with ghost numerals, bridge statements, a fixed chapter rail. */

:root{
  --ink:#000; --ink2:#1f1f1f; --muted:#595959; --faint:#8a8a86;
  --line:#000; --line2:#dcdcd8; --paper:#F4F4F2; --white:#fff; --mint:#00D2A0; --mint-soft:#c9f3e6;
  --c0:#b0452a; --c1:#e8955a; --c2:#f3e2a6; --c3:#7cc7a0; --c4:#12795a;
  --ag-core:#1d1d1b; --ag-part:#9b9b96; --ag-fs:#d6337a; --ag-team:#3f7fd6;
  --t-deficit:#13803a; --t-demand:#2f5f8f; --t-children:#2b8fd0; --t-context:#c98a1a;
  --sans:"Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --rail:168px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--sans);line-height:1.5;
  -webkit-font-smoothing:antialiased;font-size:17px}
a{color:var(--ink);text-decoration:none;border-bottom:1.5px solid var(--ink)}
a:hover{background:var(--mint-soft)}
:focus-visible{outline:3px solid var(--ink);outline-offset:2px;box-shadow:0 0 0 5px #fff}
.bridge :focus-visible,footer :focus-visible{outline-color:#fff;box-shadow:0 0 0 5px #000}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
main{overflow-x:clip}
.nomap-bar{background:#000;color:#fff;padding:10px 16px;margin:0}
.nomap{padding:24px;color:var(--muted);font-size:15px}
.railbtn{display:none}
.wlist{display:none}
@media (hover:none){ .hover-only{display:none} }
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:12px;top:12px;z-index:100;background:var(--ink);color:#fff;padding:8px 12px}

/* ---------- top bar ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 24px;border-bottom:1px solid var(--line);background:#fff;position:relative;z-index:6}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.01em}
.brand .eka{background:var(--ink);color:#fff;padding:3px 9px;font-weight:900;letter-spacing:.04em}
.brand .sep{color:var(--faint);font-weight:400}
.brand a.home{border-bottom:0}
.brand a.home:hover{background:var(--mint)}
.topnav{display:flex;gap:18px;font-size:14px;font-weight:700}
.topnav a{border-bottom:2px solid transparent}
.topnav a:hover{border-bottom-color:var(--ink);background:none}

/* ---------- chapter rail ---------- */
.rail{display:none}
@media (min-width:941px){
  .rail{display:block;position:fixed;left:0;top:0;bottom:0;width:var(--rail);z-index:8;
    padding:0 0 0 22px;pointer-events:none}
  .rail ol{list-style:none;margin:0;padding:0;position:absolute;top:50%;transform:translateY(-50%);
    pointer-events:auto}
  .rail li{margin:0}
  .rail a{display:flex;align-items:center;gap:10px;border:0;padding:5px 0;font-family:var(--mono);
    font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:none}
  .rail a .d{width:9px;height:9px;border:1.5px solid var(--muted);flex:0 0 auto;transition:all .2s}
  .rail a .n{width:18px}
  .rail a .l{white-space:nowrap}
  .rail a:focus-visible{box-shadow:none}
  .rail a.on{color:var(--ink);font-weight:700}
  .rail a.on .d{background:var(--mint);border-color:var(--ink);width:11px;height:11px}
  .rail a:hover{color:var(--ink)}
  .rail.dark a{color:#9d9d98}
  .rail.dark a.on{color:#fff}
  .rail.dark a .d{border-color:#9d9d98}
  .rail.dark a .l{background:none}
  .railpad{padding-left:var(--rail)}
  .railpad .bridge{margin-left:calc(-1 * var(--rail));padding-left:var(--rail)}
}
/* 941–1199 px: numbers only, so the text column is not squeezed; the name shows on hover */
@media (min-width:941px) and (max-width:1199px){
  :root{--rail:64px}
  .rail{padding-left:18px}
  .rail a .l{display:none}
  .rail a:hover .l,.rail a:focus-visible .l{display:inline;background:#fff;color:var(--ink);padding:1px 6px;border:1px solid var(--ink)}
}

/* ---------- storyscroll ---------- */
/* no scroll snapping (removed Oct 2026): it pulled every short wheel or trackpad scroll back to the same step */
.chslide{min-height:100vh;display:flex;flex-direction:column;justify-content:center;position:relative;
  overflow:hidden;background:#fff}
.chslide .in{position:relative;max-width:1180px;margin:0 auto;padding:10vh 40px;width:100%}
.ghost{position:absolute;right:2%;top:50%;transform:translateY(-50%);font-weight:900;
  font-size:min(52vh,40vw);line-height:.8;letter-spacing:-.06em;color:var(--ink);opacity:.06;
  pointer-events:none;user-select:none}
.eb{display:flex;align-items:center;gap:12px;font-size:12px;font-weight:800;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink)}
.eb .no{font-family:var(--mono);background:var(--mint);padding:2px 8px;letter-spacing:.06em}
.eb::after{content:"";width:120px;height:2px;background:var(--ink)}
.chslide h2{font-size:clamp(40px,6.2vw,84px);line-height:.95;letter-spacing:-.035em;font-weight:900;
  margin:22px 0 0;max-width:15ch}
.chslide .lede{font-size:clamp(18px,1.6vw,22px);line-height:1.45;color:var(--ink2);max-width:40ch;margin:26px 0 0}

.bridge{min-height:100vh;display:flex;align-items:center;background:var(--ink);color:#fff;position:relative;z-index:3}
.bridge .in{max-width:1180px;margin:0 auto;padding:12vh 40px;width:100%}
.bridge p{font-size:clamp(30px,4.2vw,60px);line-height:1.08;letter-spacing:-.03em;font-weight:800;margin:0;max-width:22ch}
.bridge p em{font-style:normal;background:var(--mint);color:var(--ink);padding:0 .12em;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.bridge .src{margin-top:28px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#bdbdb8}

.sc{position:relative;display:grid;grid-template-columns:minmax(320px,5fr) minmax(0,7fr);gap:0;
  border-top:1px solid var(--line)}
.steps{padding:0 44px 0 40px;min-width:0;position:relative;z-index:2}
.step{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:8vh 0;max-width:470px}
.step .k{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 12px;
  display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.step .k .w{background:var(--ink);color:#fff;padding:2px 8px;font-weight:700}
.step .k .w.big{background:var(--mint);color:var(--ink)}
.step h3{font-size:clamp(26px,2.3vw,34px);line-height:1.05;letter-spacing:-.025em;font-weight:900;margin:0 0 16px;text-wrap:balance}
.step p{text-wrap:pretty}
.step p{margin:0 0 14px;color:var(--ink2);font-size:17.5px;line-height:1.58;max-width:44ch}
.step p.ex{font-size:15.5px;border-left:2px solid var(--ink);padding-left:14px;color:var(--ink2)}
.step .src{font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;margin-top:6px;
  padding-top:8px;border-top:1px solid var(--ink);max-width:44ch}
.step .src span{font-weight:400;text-transform:none;letter-spacing:0;color:var(--muted)}
.step .note{font-size:14.5px;color:var(--muted);line-height:1.5;border:1px solid var(--line2);padding:10px 12px;max-width:44ch;background:var(--paper)}
.step .num{font-weight:900}
.step .cta{display:inline-flex;gap:8px;align-items:center;margin-top:8px;font-weight:800;border:1.5px solid var(--ink);
  padding:10px 16px;background:var(--mint);color:var(--ink)}
.step .cta:hover{background:var(--ink);color:#fff}

/* hero step */
.hero .kicker{display:inline-block;text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:800;
  background:var(--mint);padding:4px 12px;margin:0 0 22px;align-self:flex-start}
.hero h1{font-size:clamp(44px,5.2vw,76px);line-height:.93;letter-spacing:-.04em;font-weight:900;margin:0 0 22px;max-width:12ch}
.hero .lede{font-size:clamp(18px,1.5vw,21px);line-height:1.45;max-width:36ch;color:var(--ink2)}
.hero .by{font-size:13.5px;color:var(--muted);margin-top:8px}
.hero .go{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero .go a{font-weight:800;border:1.5px solid var(--ink);padding:10px 16px;background:#fff}
.hero .go a.pri{background:var(--ink);color:#fff}
.hero .go a:hover{background:var(--mint);color:var(--ink)}

/* the stage */
.stagecol{position:relative;min-width:0}
.stage{position:sticky;top:0;height:100vh;height:100svh;padding:22px 22px 22px 0;display:flex}
/* desktop: the top bar stays (way back to all EDITUA outputs, map, method); stages sit under it */
@media (min-width:941px){
  :root{--tb:60px}
  .topbar{position:sticky;top:0;height:var(--tb);padding-top:0;padding-bottom:0;z-index:9}
  .stage{top:var(--tb);height:calc(100vh - var(--tb));height:calc(100svh - var(--tb))}
  #top,main [id]{scroll-margin-top:var(--tb)}
}
#top>.sc:first-child{border-top:0}
.stage-in{position:relative;flex:1;border:1px solid var(--line);background:#eceae4;overflow:hidden}
.mapslot{position:absolute;inset:0}
.mapslot .map{position:absolute;inset:0}
.panel{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .45s ease,visibility 0s linear .45s;
  background:#fff;z-index:4;overflow:hidden;display:flex;flex-direction:column}
.panel.on{opacity:1;visibility:visible;transition:opacity .45s ease,visibility 0s}
.overlay{position:absolute;z-index:3;opacity:0;visibility:hidden;transition:opacity .35s,visibility 0s linear .35s}
.overlay.on{opacity:1;visibility:visible;transition:opacity .35s,visibility 0s}
.chip{position:absolute;left:14px;top:14px;z-index:3;background:var(--ink);color:#fff;font-size:12px;font-weight:800;
  letter-spacing:.08em;text-transform:uppercase;padding:6px 11px;max-width:calc(100% - 28px)}
.chip small{font-weight:400;letter-spacing:.02em;text-transform:none;color:#d7d7d2;margin-left:6px}
.legend{position:absolute;left:14px;bottom:14px;z-index:3;background:rgba(255,255,255,.96);border:1px solid var(--line);
  padding:10px 12px;font-size:12.5px;line-height:1.3;max-width:min(360px,calc(100% - 28px))}
.legend .lt{font-weight:800;font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:7px}
.legend .row{display:flex;align-items:center;gap:8px;margin:3px 0}
.legend .sw{width:22px;height:13px;border:1px solid rgba(0,0,0,.25);flex:0 0 auto}
.legend .row.dim{opacity:.35}
.legend .cnt{margin-left:auto;font-family:var(--mono);font-size:11px;color:var(--muted);padding-left:10px}
.legend .ramp{height:12px;border:1px solid rgba(0,0,0,.25);margin:4px 0}
.legend .rl{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted)}
.lg-compact{display:none}
.lc-sw{display:flex;gap:2px;margin-bottom:3px}.lc-sw i{flex:1;height:11px;min-width:30px}
.lc-ag{display:flex;flex-wrap:wrap;gap:3px 10px}.lc-ag span{display:inline-flex;align-items:center;gap:4px;font-size:11px}.lc-ag i{width:11px;height:11px;display:inline-block}
.topnav .short{display:none}
.tip{position:absolute;z-index:5;pointer-events:none;background:var(--ink);color:#fff;font-size:12.5px;padding:6px 9px;
  line-height:1.35;white-space:nowrap;transform:translate(12px,12px);display:none}
.tip b{color:var(--mint)}
.maplock{position:absolute;right:14px;bottom:14px;z-index:3;font-size:11.5px;background:rgba(255,255,255,.94);
  border:1px solid var(--line);padding:4px 8px;color:var(--muted)}
.maplock a{font-weight:800;color:var(--ink)}

/* narrative overlay card (on map) */
.story-card{right:14px;top:14px;width:min(330px,calc(100% - 28px));background:#fff;border:1px solid var(--line);padding:16px 18px;font-size:14px}
.story-card h4{margin:0 0 2px;font-size:20px;letter-spacing:-.02em;font-weight:900}
.story-card .who{font-size:12px;color:var(--muted);margin-bottom:10px}
.story-card dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 10px}
.story-card dt{font-size:10.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding-top:2px}
.story-card dd{margin:0;line-height:1.4}
.story-card h4 .dot{display:inline-block;width:12px;height:12px;margin-right:8px;vertical-align:1px;border:1px solid rgba(0,0,0,.35)}

/* ---------- panels ---------- */
.p-big{background:var(--mint);justify-content:center;padding:6% 7%}
.p-big.dark{background:var(--ink);color:#fff}
.p-big .fig{font-weight:900;letter-spacing:-.06em;line-height:.82;font-size:min(30vh,15vw)}
.p-big .fig .sg{letter-spacing:0;margin-right:.06em}
.p-big .unit{font-weight:900;font-size:min(7vh,3.6vw);letter-spacing:-.03em;line-height:1;margin-top:14px}
.p-big .cap{font-size:min(2.6vh,17px);max-width:34ch;margin-top:22px;line-height:1.45}
.p-big .ref{position:absolute;left:7%;bottom:6%;font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase}
.p-big .pict{position:absolute;right:6%;bottom:6%;width:min(34%,260px);opacity:.95}
.p-wheel{align-items:center;justify-content:center;padding:3%}
.p-wheel svg{width:100%;height:100%;max-height:100%;font-family:var(--sans)}
.p-wheels2{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:20px;align-items:center}
.p-wheels2 figure{margin:0;text-align:center}
.p-wheels2 figcaption{font-weight:900;font-size:18px;letter-spacing:-.02em;margin-top:6px}
.p-wheels2 figcaption small{display:block;font-weight:400;font-size:13px;color:var(--muted);letter-spacing:0}
.p-wheels2 svg{width:100%;height:auto;font-family:var(--sans)}
.stage-in{container-type:size}
@container (max-aspect-ratio:1/1){
  .scatters.two{grid-template-columns:1fr}
  .scatters.two canvas{width:auto;height:33cqh}
  .scatters.one canvas{width:min(100%,70cqh)}
  .anat{gap:clamp(18px,5cqh,44px)}
  .anat .bar{height:clamp(34px,8cqh,72px)}
  .anat .bar i b{font-size:clamp(12px,2cqh,16px)}
}
@container (max-aspect-ratio:1/1){
  .p-wheels2{grid-template-columns:1fr;grid-template-rows:1fr 1fr;padding:14px 20px}
  .p-wheels2 figure{min-height:0;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center}
  .p-wheels2 svg{height:calc(100% - 46px);width:auto;max-width:100%}
}
.p-pad{padding:5% 6%;justify-content:center}
.p-pad h4{margin:0 0 16px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;font-weight:800;
  border-top:2px solid var(--ink);padding-top:12px}
.kinds{display:grid;grid-template-rows:repeat(4,minmax(0,1fr));gap:10px;flex:1;min-height:0;max-height:640px}
.kind{display:grid;grid-template-columns:150px 1fr;grid-template-rows:auto 1fr;column-gap:18px;align-content:center;padding:14px 20px;border:1px solid var(--ink);min-height:0}
.kind .kb{grid-row:1/span 2;align-self:center;font-family:var(--mono);font-size:13px;font-weight:700}
.kind b{font-size:clamp(18px,1.6vw,24px);font-weight:900;letter-spacing:-.02em;line-height:1.1}
.kind p{margin:4px 0 0;font-size:14px;line-height:1.4}
.k4{background:var(--c4);color:#fff}.k3{background:var(--c3)}.k2{background:var(--c2)}.k1{background:var(--c1)}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line2);vertical-align:top}
.tbl th{font-size:11px;letter-spacing:.1em;text-transform:uppercase;border-bottom:2px solid var(--ink)}
.st{display:inline-block;font-size:11px;font-weight:800;padding:2px 7px;border:1px solid var(--ink);white-space:nowrap}
.st.ok{background:var(--mint)}.st.px{background:#fff3c4}.st.no{background:#f2d4cf}
.examples{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.exc{border:1px solid var(--ink);padding:16px 18px;display:flex;flex-direction:column;gap:10px}
.exc .sc-n{font-weight:900;font-size:56px;letter-spacing:-.05em;line-height:.9}
.exc .sc-n small{font-size:14px;letter-spacing:0;font-weight:700;color:var(--muted);margin-left:4px}
.exc .where{font-size:12.5px;color:var(--muted)}
.ing{display:grid;grid-template-columns:118px 1fr 38px;gap:6px 8px;align-items:center;font-size:12.5px}
.ing .tr{height:10px;background:var(--paper);border:1px solid rgba(0,0,0,.2);position:relative}
.ing .tr i{position:absolute;left:0;top:0;bottom:0}
.ing .v{font-family:var(--mono);font-size:11.5px;text-align:right}
.scatters{display:grid;gap:14px;align-content:center}
.scatters.one{grid-template-columns:1fr}
.scatters.two{grid-template-columns:1fr 1fr}
.scat{display:flex;flex-direction:column;align-items:center;min-height:0}
.scat canvas{display:block;aspect-ratio:1/1;height:auto}
.scatters.one canvas{width:min(100%,62vh)}
.scatters.two canvas{width:100%}
.scat .r{align-self:stretch}
.scat .r{font-weight:900;font-size:22px;letter-spacing:-.02em;margin-top:8px}
.scat .r small{font-weight:400;font-size:13px;color:var(--muted);letter-spacing:0}
.anat{display:flex;flex-direction:column;gap:18px}
.anat .row .lab{display:flex;justify-content:space-between;font-weight:800;font-size:14px;margin-bottom:6px}
.anat .row .lab span{font-family:var(--mono);font-weight:400;font-size:12px;color:var(--muted)}
.anat .bar{display:flex;height:34px;gap:2px}
.anat .bar i{display:block;height:100%;position:relative}
.anat .bar i b{position:absolute;left:6px;top:50%;transform:translateY(-50%);font-size:12px;font-style:normal;color:#fff;font-weight:800;white-space:nowrap}
.anat .bar i.lt b{color:var(--ink)}
.anat .key{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:12.5px;margin-top:4px}
.anat .small{font-size:12px;color:var(--muted);margin-top:5px}
.dlab{font:800 11.5px/1 var(--sans);letter-spacing:.06em;text-transform:uppercase;background:#fff;border:1px solid #000;padding:4px 7px;white-space:nowrap;pointer-events:none}
.relnums div.on{background:var(--ink);color:#fff}.relnums div.on span{color:#fff}
#p-t1map .tbl{font-size:17px}#p-t1map .tbl td,#p-t1map .tbl th{padding:14px 12px}
.anat .key span{display:inline-flex;align-items:center;gap:6px}
.anat .key i{width:14px;height:14px;display:inline-block}
.funnel{display:flex;flex-direction:column;align-items:center;gap:6px;flex:1;min-height:0;max-height:640px;justify-content:center}
.fn{width:100%;display:grid;grid-template-columns:44px 1fr;column-gap:14px;align-items:center;padding:14px 22px;color:#fff;min-height:0}
.fn em{grid-row:1/span 2;font-style:normal;font-weight:900;font-size:40px;line-height:1;letter-spacing:-.04em}
.fn b{font-size:clamp(18px,1.7vw,24px);font-weight:900;letter-spacing:-.02em;line-height:1.1}
.fn span{font-size:14px;line-height:1.35;opacity:.92}
.f0{background:var(--ag-core);grid-template-columns:auto 1fr;width:100%}
.f0 b{font-size:clamp(36px,3.4vw,52px);letter-spacing:-.05em;grid-row:1/span 2}
.f1{background:#3a3a37;width:90%}.f2{background:#5a5a56;width:80%}.f3{background:#77776f;width:70%}
.f4{background:var(--mint);color:#000;width:56%;grid-template-columns:1fr;text-align:center;padding:16px 22px}
.tiles{display:grid;grid-template-columns:1fr;gap:12px}
.tile{border:1px solid var(--ink);padding:16px 18px;display:grid;grid-template-columns:128px 1fr;gap:16px;align-items:start}
.tile .fld{font-family:var(--mono);font-size:12px;background:var(--mint);padding:2px 8px;justify-self:start;border:1px solid var(--ink)}
.tile b{display:block;font-size:18px;letter-spacing:-.015em;font-weight:900;margin-bottom:4px}
.tile p{margin:0;font-size:14px;color:var(--ink2);line-height:1.45}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.opt{border:1px solid var(--ink);padding:18px 20px;display:flex;flex-direction:column;gap:10px}
.opt .oh{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;display:flex;align-items:center;gap:8px}
.opt .oh i{width:12px;height:12px;display:inline-block;border:1px solid rgba(0,0,0,.3)}
.opt>b{font-size:clamp(22px,2vw,30px);font-weight:900;letter-spacing:-.025em;line-height:1.05}
.opt dl{margin:0;display:grid;gap:4px 0}
.opt dt{font-size:10.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;margin-top:6px}
.opt dd{margin:0;font-size:14.5px;line-height:1.45}
.cmp th:first-child,.cmp td:first-child{font-weight:800;width:22%}
.cmp th{white-space:nowrap}
.cmp td{font-size:13.5px}
.cmp th i{display:inline-block;width:10px;height:10px;margin-right:6px;vertical-align:0}
.relnums{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:6px}
.relnums div{border:1px solid var(--ink);padding:14px 16px}
.relnums b{display:block;font-size:48px;font-weight:900;letter-spacing:-.05em;line-height:.9}
.relnums span{font-size:13px;color:var(--ink2)}

/* ---------- explorer ---------- */
.explorer{border-top:1px solid var(--line);padding:70px 40px 60px;background:#fff}
.sec-h{max-width:1180px;margin:0 auto 26px}
.sec-h h2{font-size:clamp(34px,4.4vw,58px);line-height:.98;letter-spacing:-.035em;font-weight:900;margin:14px 0 10px}
.sec-h p{max-width:62ch;color:var(--ink2);margin:0}
.ex-wrap{max-width:1400px;margin:0 auto}
.controls{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:flex-start;padding:14px 0;border-top:2px solid var(--ink)}
.ctl{display:flex;flex-direction:column;gap:6px}
.ctl .cl{font-size:10.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.seg{display:inline-flex;border:1.5px solid var(--ink);flex-wrap:wrap}
.seg button{font:inherit;font-size:13.5px;font-weight:700;border:0;border-right:1px solid var(--ink);background:#fff;
  padding:8px 12px;cursor:pointer;color:var(--ink)}
.seg button:last-child{border-right:0}
.seg button[aria-pressed="true"]{background:var(--ink);color:#fff}
.seg button:hover:not([aria-pressed="true"]){background:var(--mint-soft)}
.ctl input[type=range]{width:140px;height:36px;margin:0;accent-color:var(--ink)}
.ex-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:0;border:1px solid var(--ink)}
.ex-map{position:relative;height:min(78vh,820px);min-height:460px}
.ex-map .map{position:absolute;inset:0}
.ex-side{border-left:1px solid var(--ink);padding:18px;overflow:auto;height:min(78vh,820px);min-height:460px;font-size:14px;background:#fff}
.ex-side h3{margin:0 0 6px;font-size:22px;font-weight:900;letter-spacing:-.02em}
.ex-side .hint{color:var(--muted)}
.ex-side .scores{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}
.ex-side .scores div{border:1px solid var(--ink);padding:8px}
.ex-side .scores div.cur{background:var(--ink);color:#fff}
.ex-side .scores b{display:block;font-size:26px;font-weight:900;letter-spacing:-.04em;line-height:1}
.ex-side .scores span{font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.ex-side .scores i{display:inline-block;width:12px;height:12px;margin-right:6px;vertical-align:3px;border:1px solid rgba(0,0,0,.25)}
.ex-side .scores div.cur i{border-color:rgba(255,255,255,.6)}
.ex-side .tags{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.ex-side .tags span{font-size:11.5px;font-weight:800;padding:3px 8px;border:1px solid var(--ink)}
.ex-side h5{margin:16px 0 8px;font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.ex-side .meta{font-size:12.5px;color:var(--muted);margin-top:14px;border-top:1px solid var(--line2);padding-top:10px}
.jumps{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 0}
.jumps button{font:inherit;font-size:12.5px;font-weight:700;border:1px solid var(--ink);background:#fff;padding:4px 9px;cursor:pointer}
.jumps button:hover{background:var(--mint)}
.mix{display:none;border:1.5px solid var(--ink);border-top:0;padding:14px 16px;background:var(--paper)}
.mix-help{margin:0 0 10px;font-size:14px;color:var(--ink2)}
.ex-map:has(.maplibregl-canvas:focus-visible)::after{content:"";position:absolute;left:50%;top:50%;width:16px;height:16px;margin:-8px 0 0 -8px;border:2px solid #000;box-shadow:0 0 0 2px #fff;pointer-events:none;z-index:2}
.legend .credit{margin-top:6px}
.lc-ag i.ol{background:transparent;border:2px solid #fff;outline:2px solid #000}
.story-card .note-sm{margin:8px 0 0;font-size:11.5px;line-height:1.35}
.mapslot .maplibregl-canvas-container.maplibregl-interactive{cursor:default}
.mix.on{display:block}
.mix .sl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px 22px}
.mix label{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:800}
.mix label span{display:flex;justify-content:space-between}
.mix label em{font-style:normal;font-family:var(--mono);font-weight:400}
.mix input[type=range]{width:100%;accent-color:var(--ink)}
.mix .out{margin-top:12px;font-size:14px;display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center}
.mix .out b{font-weight:900}
.mix .out button{font:inherit;font-size:13px;font-weight:800;border:1.5px solid var(--ink);background:#fff;padding:5px 10px;cursor:pointer}
.ex-legend{position:absolute;left:12px;top:12px;bottom:auto;z-index:3}
.ex-note{font-size:12.5px;color:var(--muted);margin-top:10px;max-width:1400px}

/* ---------- reviewers ---------- */
.method{border-top:1px solid var(--line);padding:70px 40px 40px;background:var(--paper)}
.doc{max-width:900px;margin:0 auto}
.doc h3{font-size:13px;text-transform:uppercase;letter-spacing:.14em;font-weight:800;margin:44px 0 14px;padding-top:14px;border-top:2px solid var(--ink)}
.doc p,.doc li{font-size:16px;line-height:1.6;color:var(--ink2)}
.doc code{font-family:var(--mono);font-size:.88em;background:#fff;border:1px solid var(--line2);padding:0 4px}
.doc .formula{background:var(--ink);color:#fff;padding:18px 22px;font-family:var(--mono);font-size:13.5px;line-height:1.8;
  overflow-x:auto;white-space:pre}
.doc .formula .op{color:var(--mint)}
.doc table{width:100%;border-collapse:collapse;font-size:14px;background:#fff;margin:6px 0 10px}
.doc th,.doc td{text-align:left;padding:9px 10px;border:1px solid var(--line2);vertical-align:top}
.doc th{background:var(--ink);color:#fff;font-size:11px;letter-spacing:.08em;text-transform:uppercase;border-color:var(--ink)}
.doc details{background:#fff;border:1px solid var(--ink);margin:10px 0}
.doc summary{cursor:pointer;padding:14px 16px;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:12px}
.doc summary::-webkit-details-marker{display:none}
.doc summary::after{content:"+";font-family:var(--mono);font-weight:700}
.doc details[open] summary::after{content:"−"}
.doc details>div{padding:0 16px 14px}
.steps8{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.steps8 span{border:1px solid var(--ink);background:#fff;padding:6px 10px;font-size:13px;font-weight:700}
.steps8 span b{font-family:var(--mono);background:var(--mint);padding:0 5px;margin-right:6px}
.refs li{font-size:14.5px;margin-bottom:8px}
.changes{background:#fff;border:1px solid var(--ink);padding:14px 18px}
.changes li{font-size:14.5px}

footer.foot{background:var(--ink);color:#fff;padding:44px 40px;font-size:14px;line-height:1.7}
footer.foot .in{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:30px}
footer.foot a{color:#fff;border-bottom-color:#fff}
footer.foot a:hover{background:none;color:var(--mint)}
footer.foot .eka{font-weight:900;font-size:26px;letter-spacing:-.02em}
footer.foot small{color:#bdbdb8}

/* ---------- MapLibre chrome ---------- */
@media (min-width:941px){ .stage-in .maplibregl-ctrl-bottom-right{bottom:44px} }
.maplibregl-ctrl-attrib{font-size:10.5px}
.maplibregl-ctrl-group{border-radius:0!important;box-shadow:none!important;border:1.5px solid var(--ink)}
.maplibregl-ctrl-group button{border-radius:0!important}
.maplibregl-popup-content{border-radius:0;border:1px solid var(--ink);box-shadow:none;padding:10px 12px;font-family:var(--sans)}

/* ---------- small screens ---------- */
@media (max-width:940px){
  body{font-size:16px}
  .topbar{padding:12px 16px}
  .topnav{gap:12px;font-size:13px}
  .topnav .tn-story{display:none}
  .chslide .in,.bridge .in{padding:14vh 20px}
  .chslide{min-height:88svh}
  .bridge{min-height:80svh}
  .ghost{font-size:min(40vh,62vw);right:-4%}
  .sc{display:flex;flex-direction:column}
  .stagecol{order:-1;position:sticky;top:0;z-index:3;height:52vh;height:52svh;background:#fff;border-bottom:1px solid var(--line)}
  .stage{position:relative;height:100%;padding:8px}
  .steps{padding:0 16px;z-index:2}
  .step{min-height:78svh;padding:5svh 0 10svh;max-width:none;justify-content:flex-start}
  .step>*{position:relative}
  .step .card{background:#fff;border:1px solid var(--ink);padding:16px 16px 6px;box-shadow:0 1px 0 rgba(0,0,0,.02)}
  .step h3{font-size:25px}
  .step p{font-size:16px}
  .hero h1{font-size:40px}
  .chip{font-size:10.5px;left:8px;top:8px;padding:4px 8px}
  .legend{left:8px;bottom:38px;padding:6px 8px;font-size:11px;max-width:calc(100% - 60px)}
  .ex-legend{top:auto;bottom:38px}
  .stage-in .maplibregl-ctrl-bottom-right .maplibregl-ctrl-attrib{margin:0 6px 6px 0}
  #o-fs,#o-t1,#o-t2{display:none}
  .story-card .note-sm{display:none}
  /* the hero comes first on a phone; the map follows with the next step */
  .sc[data-ch="0"] .steps{display:contents}
  .sc[data-ch="0"] .step{padding-left:16px;padding-right:16px;position:relative;z-index:2}
  .sc[data-ch="0"] .hero{order:-2;min-height:0;padding-top:24px}
  /* chapters: a small floating menu instead of the rail */
  .rail{display:block;position:fixed;right:14px;top:calc(14px + env(safe-area-inset-top));bottom:auto;z-index:20;left:auto;width:auto;padding:0;pointer-events:auto;
    opacity:0;visibility:hidden;transition:opacity .2s,visibility 0s linear .2s}
  .rail.past-top{opacity:1;visibility:visible;transition:opacity .2s,visibility 0s}
  .railbtn{display:block;min-height:40px;padding:0 12px;background:rgba(0,0,0,.92);color:#fff;border:1.5px solid #fff;font:700 12px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;cursor:pointer}
  .rail ol{display:none;position:absolute;right:0;top:46px;bottom:auto;transform:none;margin:0;padding:6px 0;list-style:none;background:#fff;border:1.5px solid #000;min-width:230px;max-height:70vh;overflow:auto}
  .rail.open ol{display:block}
  .rail a{display:flex;gap:10px;align-items:center;min-height:40px;padding:0 14px;border:0;font:700 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink);background:none}
  .rail a .d{display:none}
  .rail a.on{background:#000;color:#fff}
  /* wide method tables scroll inside themselves; the page never scrolls sideways */
  .doc table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .doc td code{overflow-wrap:anywhere}
  .doc .formula{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;padding:14px}
  /* explorer controls */
  .controls>.ctl:first-child,.controls>.ctl:last-child{flex:1 1 100%}
  #seg-idx{display:grid;grid-template-columns:repeat(6,1fr);width:100%}
  #seg-idx button{grid-column:span 2}
  #seg-idx button:nth-child(n+4){grid-column:span 3}
  #seg-idx button:nth-child(-n+3){border-bottom:1px solid var(--ink)}
  #seg-idx button:nth-child(3){border-right:0}
  .seg button{min-height:40px}
  .ctl input[type=range]{width:100%}
  .jumps button{min-height:36px;padding:6px 11px}
  /* team wheels: a colour pictogram next to a readable list */
  .p-wheels2{grid-template-columns:1fr;grid-template-rows:auto auto;align-content:center;gap:12px}
  .p-wheels2 figure{display:grid;grid-template-columns:96px 1fr;column-gap:12px;align-items:center;text-align:left;height:auto}
  .p-wheels2 svg{display:block;width:96px;height:96px;grid-column:1;grid-row:1/span 2}
  .p-wheels2 svg text{display:none}
  .p-wheels2 figcaption{grid-column:2;grid-row:1;margin:0;font-size:14px}
  .p-wheels2 figcaption small{display:inline;margin-left:6px}
  .p-wheels2 .wlist{display:grid;grid-column:2;grid-row:2;gap:2px;list-style:none;margin:4px 0 0;padding:0}
  .wlist li{display:grid;grid-template-columns:11px 1fr auto;gap:6px;align-items:center;font-size:12px}
  .wlist i{width:11px;height:11px}
  .wlist b{font-weight:700}
  .wlist span{font-family:var(--mono);font-size:10.5px;color:var(--muted)}
  /* the kinds of place and the two options fit the small stage */
  .kinds{gap:5px}
  .kind{grid-template-columns:78px 1fr;padding:6px 10px;column-gap:10px}
  .kind .kb{font-size:10.5px}
  .kind b{font-size:14px}
  .kind p{font-size:11.5px;margin-top:1px}
  .opts{grid-template-columns:1fr 1fr;gap:6px}
  .opt{padding:8px 10px;gap:4px}
  .opt>b{font-size:15px}
  .opt dt{font-size:9.5px;margin-top:3px}
  .opt dd{font-size:11.5px}
  .opt .oh{font-size:9.5px}
  #p-feas h4{margin-bottom:8px;padding-top:8px}
  .funnel{gap:4px}
  .fn{padding:6px 10px;column-gap:8px;grid-template-columns:24px 1fr}
  .fn em{font-size:22px}
  .fn b{font-size:14px}
  .fn span{font-size:11px}
  .f0 b{font-size:26px}
  .f1{width:94%}.f2{width:88%}.f3{width:82%}.f4{width:70%;padding:7px 10px}
  .f0{grid-template-columns:auto 1fr}.f4{grid-template-columns:1fr}
  .p-pad h4{margin-right:84px}
  .ex-map .maplibregl-ctrl-top-right{top:48px}
  .legend .lg-full{display:none}
  .legend .lg-compact{display:block}
  .legend .lt{margin-bottom:3px;font-size:10px}
  .topnav .long{display:none}.topnav .short{display:inline}
  .brand{gap:8px;font-size:15px}
  .legend .cnt{display:none}
  .legend .row{margin:1px 0}
  .legend .sw{width:16px;height:10px}
  .maplock{display:none}
  .story-card{top:58px;bottom:auto;right:8px;left:auto;width:min(250px,66%);padding:9px 11px;font-size:12px}
  .story-card dl{display:none}
  .story-card h4{font-size:15px}
  .story-card .who{margin-bottom:6px}
  .story-card .ing{grid-template-columns:78px 1fr 30px;gap:3px 6px;font-size:10.5px}
  .story-card .ing .tr{height:7px}
  .story-card .who+.who,.story-card .ing+.who{display:none}
  .story-card .relnums{gap:6px;margin-top:2px}
  .story-card .relnums div{padding:6px 8px}
  .story-card .relnums b{font-size:22px}
  .story-card .relnums span{font-size:10.5px;line-height:1.25;display:block}
  #o-rel .who{display:none}
  #o-rel h4{font-size:13px}
  .p-big .fig{font-size:min(19svh,34vw)}
  .p-big .unit{font-size:22px}
  .p-big .cap{font-size:14px;margin-top:10px}
  .p-big .pict{display:none}
  .p-pad{padding:14px;justify-content:flex-start;overflow:auto}
  .p-pad h4{margin-bottom:10px}
  .tbl{font-size:12px}
  .tbl th,.tbl td{padding:5px 6px}
  #p-t1map .tbl{font-size:11.5px}#p-t1map .tbl td,#p-t1map .tbl th{padding:5px 6px}
  .examples{gap:8px}
  .exc{padding:10px}
  .exc .sc-n{font-size:34px}
  .ing{grid-template-columns:84px 1fr 30px;font-size:11px}
  .tile{grid-template-columns:1fr;gap:6px;padding:10px 12px}
  .tile p{font-size:12.5px}
  .tile b{font-size:15px}
  .p-wheels2{padding:8px;gap:4px}
  .p-wheels2 figcaption{font-size:14px}
  .scat canvas{max-height:36svh}
  .scat .r{font-size:16px;margin-top:4px}
  .anat .bar{height:24px}
  .anat .bar i b{font-size:10.5px}
  .relnums b{font-size:32px}
  .explorer,.method{padding:48px 16px 40px}
  .ex-grid{grid-template-columns:1fr}
  .ex-map{height:66svh;min-height:380px}
  .ex-side{border-left:0;border-top:1px solid var(--ink);height:auto;min-height:0}
  .mix .sl{grid-template-columns:1fr 1fr}
  footer.foot{padding:36px 20px}
  footer.foot .in{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  .panel,.overlay,.rail a .l{transition:none}
}
@media print{
  .rail,.explorer,.topnav{display:none}
  .stagecol{position:static;height:auto}
  .stage{position:static;height:auto;padding:0}
  .stage-in{border:0;background:none;overflow:visible;container-type:normal}
  .mapslot,.overlay,.chip,.legend,.tip,.maplock,.p-big,.p-wheel,.p-wheels2,#p-sc1,#p-sc2,#p-anat{display:none}
  .panel{position:static;opacity:1;visibility:visible;break-inside:avoid;padding:0 0 18px}
  .sc{display:block}.step{min-height:0;padding:10px 0}.chslide,.bridge{min-height:0}
  .bridge{background:#fff;color:#000}
  .step{break-inside:avoid}.hero .go,.hover-only,.step .cta{display:none}
}