@font-face{font-family:Literata;src:url(fonts/literata-latin.woff2) format("woff2");font-weight:200 900;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191-2199,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Literata;src:url(fonts/literata-latin-ext.woff2) format("woff2");font-weight:200 900;font-display:swap;unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:Plex;src:url(fonts/ibmplexsans-400-lat.woff2) format("woff2");font-weight:400;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191-2199,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Plex;src:url(fonts/ibmplexsans-400-ext.woff2) format("woff2");font-weight:400;font-display:swap;unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:Plex;src:url(fonts/ibmplexsans-600-lat.woff2) format("woff2");font-weight:600;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191-2199,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Plex;src:url(fonts/ibmplexsans-600-ext.woff2) format("woff2");font-weight:600;font-display:swap;unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:Barlow;src:url(fonts/BarlowCondensed.woff2) format("woff2");font-weight:300 700;font-display:swap}

:root{
  --bg:#f3f0e7;--bg2:#e9e5d8;--ink:#17201b;--muted:#556259;--line:rgba(23,32,27,.16);--line-soft:rgba(23,32,27,.1);
  --accent:#2c6a39;--accent-ink:#fff;--card:rgba(246,243,234,.93);--card-line:rgba(23,32,27,.12);
  --bar:#3f7d4a;--bar-soft:#b9c7ae;--steep:#9a9a8c;--dot-in:#1d5a33;--dot-out:#f3f0e7;
  --r0:#d9dfc6;--r1:#a9c48d;--r2:#6aa15f;--r3:#2f7a45;--r4:#1b5a3a;--r5:#0e3d2c;--r6:#062218;
  --topbar:44px;--serif:Literata,Georgia,serif;--sans:Plex,system-ui,sans-serif;--num:Barlow,"Arial Narrow",sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0b1210;--bg2:#111a17;--ink:#e6ece4;--muted:#9eac9f;--line:rgba(230,236,228,.16);--line-soft:rgba(230,236,228,.09);
  --accent:#c8e46a;--accent-ink:#0b1210;--card:rgba(11,18,16,.86);--card-line:rgba(230,236,228,.1);
  --bar:#8fcf4f;--bar-soft:#3a4a3d;--steep:#56605a;--dot-in:#e3e05a;--dot-out:#0b1210;
  --r0:#24413a;--r1:#1f6f5c;--r2:#2fa36b;--r3:#8fcf4f;--r4:#e3e05a;--r5:#ffd98a;--r6:#fff4dc;
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0b1210;--bg2:#111a17;--ink:#e6ece4;--muted:#9eac9f;--line:rgba(230,236,228,.16);--line-soft:rgba(230,236,228,.09);
  --accent:#c8e46a;--accent-ink:#0b1210;--card:rgba(11,18,16,.86);--card-line:rgba(230,236,228,.1);
  --bar:#8fcf4f;--bar-soft:#3a4a3d;--steep:#56605a;--dot-in:#e3e05a;--dot-out:#0b1210;
  --r0:#24413a;--r1:#1f6f5c;--r2:#2fa36b;--r3:#8fcf4f;--r4:#e3e05a;--r5:#ffd98a;--r6:#fff4dc;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--topbar) + 8px)}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 var(--serif);font-optical-sizing:auto}
a{color:var(--accent)}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:.5rem 1rem;z-index:50}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* topbar */
.topbar{position:fixed;inset:0 0 auto 0;height:var(--topbar);display:flex;align-items:center;gap:1rem;padding:0 max(12px,env(safe-area-inset-left));
  background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft);z-index:30;font:14px/1 var(--sans)}
.home{display:flex;align-items:center;gap:.45rem;color:var(--ink);text-decoration:none;font-weight:600;white-space:nowrap}
.home svg{width:18px;height:18px;fill:var(--accent)}
.tnav{display:flex;gap:1rem;margin-left:auto}
.tnav a{color:var(--muted);text-decoration:none}
.tnav a:hover{color:var(--ink)}
.lang{color:var(--ink);text-decoration:none;border:1px solid var(--line);border-radius:99px;padding:.35rem .7rem}
.theme{background:none;border:1px solid var(--line);border-radius:99px;width:32px;height:32px;display:grid;place-items:center;cursor:pointer;color:var(--ink);padding:0}
.theme svg{width:16px;height:16px;fill:currentColor;stroke:currentColor}
.theme .i-moon{display:none}
:root[data-theme="dark"] .theme .i-sun{display:none}:root[data-theme="dark"] .theme .i-moon{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .theme .i-sun{display:none}:root:not([data-theme="light"]) .theme .i-moon{display:block}}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none}
.progress i{display:block;height:100%;width:100%;transform-origin:0 50%;transform:scaleX(0);background:var(--accent)}
@media (max-width:760px){.tnav{display:none}.lang{margin-left:auto}.home span{max-width:44vw;overflow:hidden;text-overflow:ellipsis}}

/* rail */
.rail{position:fixed;right:10px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:12px;z-index:20;opacity:0;transition:opacity .4s}
.rail.on{opacity:1}
.rail a{position:relative;display:block;width:14px;height:14px}
.rail .dot{position:absolute;inset:4px;border-radius:50%;background:var(--muted);opacity:.55}
.rail a[aria-current] .dot{background:var(--accent);opacity:1;inset:3px}
.rail-label{position:absolute;right:22px;top:50%;transform:translateY(-50%);white-space:nowrap;font:12px/1 var(--sans);background:var(--card);color:var(--ink);padding:.3rem .5rem;border-radius:4px;opacity:0;pointer-events:none;transition:opacity .15s}
.rail a:hover .rail-label,.rail a:focus-visible .rail-label{opacity:1}
@media (max-width:1100px){.rail{display:none}}

/* story: map pinned behind the chapter cards */
main{display:block;padding-top:var(--topbar)}
.story{position:relative}
.stage{position:sticky;top:var(--topbar);height:calc(100vh - var(--topbar));z-index:0;overflow:hidden;background:var(--bg);touch-action:pan-y}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.stage canvas.over{cursor:crosshair}
.stage + .step{margin-top:calc((100vh - var(--topbar))*-1)}
.step{position:relative;z-index:2;min-height:calc(100vh - var(--topbar));padding:6vh 0 30vh;pointer-events:none}
.step.hero{padding-top:3vh;min-height:calc(100vh - var(--topbar))}
.card{pointer-events:auto;width:min(440px,calc(100vw - 32px));margin-left:max(16px,4vw);background:var(--card);border:1px solid var(--card-line);
  border-radius:10px;padding:1.2rem 1.35rem 1.25rem;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 10px 40px rgba(0,0,0,.18)}
.card h1{font-size:clamp(1.55rem,2.4vw,2.05rem);line-height:1.18;margin:.15rem 0 .6rem;font-weight:620;letter-spacing:-.01em}
.card h2{font-size:1.32rem;line-height:1.25;margin:0 0 .6rem;font-weight:600}
.card p{margin:.55rem 0}
.kicker{font:600 12px/1.2 var(--sans);text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin:0}
.deck{color:var(--ink);font-size:1rem}
.lead-place{font:600 15px/1.4 var(--sans);color:var(--accent);margin:0 0 .5rem}
.step:not(.hero) .card{margin-top:2vh}
.step .card .fig,.step .card .tbl{margin-top:.8rem}

/* search + result */
.search{margin:.9rem 0 .4rem;position:relative;font-family:var(--sans)}
.search label{display:block;font-weight:600;font-size:14px;margin-bottom:.35rem}
.qwrap{display:flex;gap:.5rem;align-items:center}
.search input{flex:1;min-width:0;font:16px/1.2 var(--sans);padding:.65rem .8rem;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--ink)}
.search ul{list-style:none;margin:.25rem 0 0;padding:.25rem;position:absolute;left:0;right:0;top:100%;background:var(--bg);border:1px solid var(--line);border-radius:8px;z-index:6;max-height:300px;overflow:auto;box-shadow:0 12px 30px rgba(0,0,0,.2)}
.search li{padding:.5rem .6rem;border-radius:6px;cursor:pointer;display:flex;justify-content:space-between;gap:.6rem;font-size:15px}
.search li span{color:var(--muted);font-size:13px}
.search li[aria-selected="true"],.search li:hover{background:var(--bg2)}
.hint{font-size:13px;color:var(--muted);margin:.5rem 0 0;line-height:2}
.pick{font:13px/1 var(--sans);border:1px solid var(--line);background:none;color:var(--ink);border-radius:99px;padding:.35rem .6rem;margin:0 .15rem;cursor:pointer}
.pick:hover{border-color:var(--accent)}
.clear{font:13px/1 var(--sans);border:1px solid var(--line);background:none;color:var(--ink);border-radius:99px;padding:.5rem .7rem;cursor:pointer;white-space:nowrap}
.result{font-family:var(--sans)}
.result:empty{display:none}
.result{border-top:1px solid var(--line-soft);margin-top:.8rem;padding-top:.6rem}
.res-place{font-size:15px;margin:.2rem 0}.res-place span{color:var(--muted);font-size:13px}
.res-big{font:500 15px/1 var(--num);margin:.25rem 0 0;color:var(--muted)}
.res-big .num{font:600 64px/1 var(--num);color:var(--ink);letter-spacing:-.01em}
.res-line{font-size:14px;margin:.3rem 0;color:var(--ink)}
.result-tools{margin:.6rem 0 0;display:flex;justify-content:flex-end}
.result-tools[hidden]{display:none}
.result-tools + .result{margin-top:.3rem}

/* share */
.share-row{display:flex;align-items:center;gap:.4rem;flex-wrap:wrap;margin-top:.8rem;font-family:var(--sans)}
.share-label{font-size:13px;color:var(--muted);margin-right:.2rem}
.sbtn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-soft);background:transparent;color:var(--ink);display:inline-grid;place-items:center;cursor:pointer;padding:0}
.sbtn svg{width:18px;height:18px;fill:currentColor}
.sbtn:hover,.sbtn:focus-visible{color:var(--accent);border-color:var(--accent)}
@media (pointer:coarse){.sbtn{width:44px;height:44px}}
.share-status{font-size:13px;color:var(--muted)}

/* map furniture */
.map-ctl{position:absolute;right:max(16px,env(safe-area-inset-right));bottom:86px;display:flex;flex-direction:column;align-items:flex-end;gap:6px;z-index:3;font-family:var(--sans)}
.zbtn{width:36px;height:36px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--ink);font:20px/1 var(--sans);cursor:pointer}
.whole{white-space:nowrap;font:13px/1 var(--sans);border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:99px;padding:.55rem .8rem;cursor:pointer}
.legend{position:absolute;right:max(16px,env(safe-area-inset-right));bottom:16px;z-index:3;font:12px/1.2 var(--sans);color:var(--ink);background:var(--card);border:1px solid var(--card-line);border-radius:8px;padding:.45rem .6rem;width:230px}
.legend .lt{display:block;font-weight:600;margin-bottom:.3rem}
.legend .ramp{display:block;height:8px;border-radius:4px;background:linear-gradient(90deg,var(--r0),var(--r1),var(--r2),var(--r3),var(--r4),var(--r5),var(--r6))}
.legend .ticks{display:flex;justify-content:space-between;margin-top:.2rem;font-family:var(--num);font-size:13px}
.legend .ticks b{font-weight:500}
.legend .steep-key{display:flex;align-items:center;gap:.4rem;margin-top:.35rem;color:var(--muted)}
.legend .steep-key i{width:8px;height:8px;border-radius:50%;background:var(--steep)}
.loading{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font:14px var(--sans);color:var(--muted);margin:0;z-index:3}
.loading[hidden]{display:none}

/* charts + tables */
.fig{margin:.8rem 0 0}
.chart{width:100%;height:auto;display:block;font-family:var(--num)}
.chart .grid{stroke:var(--line-soft);stroke-width:1}
.chart .ax{fill:var(--muted);font-size:13px}
.chart .val{fill:var(--ink);font-size:14px;font-weight:600}
.chart .bar{fill:var(--bar)}.chart .bar.steep{fill:var(--steep)}.chart .bar.soft{fill:var(--bar-soft)}
.chart .link{stroke:var(--muted);stroke-width:1.5}
.chart .dot-in{fill:var(--dot-in)}.chart .dot-out{fill:var(--dot-out);stroke:var(--ink);stroke-width:1.6}
.chart .lbl{font-size:12px}
figcaption{font:13px/1.45 var(--sans);color:var(--muted);margin-top:.35rem}
.tbl{overflow-x:auto}
table{border-collapse:collapse;width:100%;font:14px/1.35 var(--sans)}
th{text-align:left;font-weight:600;color:var(--muted);font-size:12px;border-bottom:1px solid var(--line);padding:.35rem .4rem}
td{border-bottom:1px solid var(--line-soft);padding:.35rem .4rem}
td.n,th:nth-child(n+4){text-align:right;font-variant-numeric:tabular-nums}
td.n{font-family:var(--num);font-size:15px}
.muted{color:var(--muted)}
tr[hidden]{display:none}

/* sections after the story */
.sec{position:relative;z-index:2;background:var(--bg);max-width:820px;margin:0 auto;padding:3.5rem 16px 1rem}
.sec h2{font-size:1.5rem;line-height:1.25;margin:2rem 0 .6rem}
.sec h3{font:600 15px/1.3 var(--sans);margin:1rem 0 .4rem}
.loc-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.loc-grid a{color:var(--ink);text-decoration-color:var(--line)}
.more{font:13px/1 var(--sans);margin-top:.6rem;border:1px solid var(--line);background:none;color:var(--ink);border-radius:99px;padding:.5rem .8rem;cursor:pointer}
.sources{font:14px/1.5 var(--sans);padding-left:1.1rem}
.sources li{margin:.35rem 0}
footer{display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;justify-content:center;padding:2.5rem 16px calc(2.5rem + env(safe-area-inset-bottom));font:13px/1.4 var(--sans);color:var(--muted);border-top:1px solid var(--line-soft);margin-top:3rem;background:var(--bg);position:relative;z-index:2}
footer a{color:var(--muted)}

/* phone: the map keeps the top of the screen, the text passes below it */
@media (max-width:760px){
  body{font-size:16.5px}
  .stage{height:calc(50vh);z-index:4;border-bottom:1px solid var(--line-soft)}
  .stage + .step{margin-top:0}
  .step,.step.hero{min-height:auto;padding:1rem 0 40vh}
  .step.hero{padding-bottom:3rem}
  .card{width:auto;margin:0 16px;box-shadow:none;background:var(--bg);border:none;padding:.4rem 0;backdrop-filter:none;-webkit-backdrop-filter:none}
  .legend{left:10px;right:auto;bottom:8px;width:auto;padding:.3rem .45rem;font-size:11px}
  .legend .ramp{width:150px}.legend .ticks{width:150px;font-size:12px}
  .legend .steep-key{display:none}
  .legend .lt{display:none}
  .map-ctl{bottom:8px;right:8px;flex-direction:row-reverse;align-items:center}
  .whole{position:absolute;right:0;bottom:50px}
  .zbtn{width:40px;height:40px}
  .loc-grid{grid-template-columns:1fr}
  .res-big .num{font-size:56px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.stage,.topbar,.rail,.share-row,.map-ctl,.legend{display:none}.step{min-height:0;padding:0}.card{box-shadow:none;border:none;background:none}}