@font-face{font-family:"Fraunces";font-style:normal;font-weight:300 800;font-display:swap;src:url("fonts/fraunces-normal-latin.woff2") format("woff2");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,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Fraunces";font-style:normal;font-weight:300 800;font-display:swap;src:url("fonts/fraunces-normal-latin-ext.woff2") format("woff2");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:"Fraunces";font-style:italic;font-weight:300 800;font-display:swap;src:url("fonts/fraunces-italic-az.woff2") format("woff2");unicode-range:U+0041-005A,U+0061-007A,U+00C2,U+00CE,U+00E2,U+00EE}
@font-face{font-family:"Fraunces";font-style:italic;font-weight:300 800;font-display:swap;src:url("fonts/fraunces-italic-ro.woff2") format("woff2");unicode-range:U+0102-0103,U+0218-021B}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:300 700;font-display:swap;src:url("fonts/IBMPlexSans-latin.woff2") format("woff2");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,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:300 700;font-display:swap;src:url("fonts/IBMPlexSans-latin-ext.woff2") format("woff2");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}

/* Night over a street of offices: lit windows are companies still on the register, dark ones have left it. */
:root{
  color-scheme:dark;
  --bg:#080b16;--bg-2:#10162a;--surface:#0f1424;--surface-2:#192038;
  --ink:#f3f1ec;--ink-2:#d6d3cc;--muted:#a9a7b4;--line:#2a3150;
  --accent:#ffc96b;--accent-ink:#1d1305;--lit:#ffd17a;--lit-2:#ffd17a;--dark:#353f5a;--dark-line:#4a5577;
  --t-haul:#76b9de;--t-build:#ffd17a;--t-clean:#b9a2da;--t-other:#a8b1c2;
  --card:rgba(9,12,24,.9);
  --serif:"Fraunces","Iowan Old Style",Georgia,serif;--sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --topbar:48px;
}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]){
  color-scheme:light;
  --bg:#f2ede3;--bg-2:#e8e1d2;--surface:#fbf8f2;--surface-2:#ece5d6;
  --ink:#1c1a17;--ink-2:#3a3630;--muted:#57514a;--line:#cdc3b0;
  --accent:#8a4b00;--accent-ink:#fff8ee;--lit:#d98a12;--lit-2:#b65f00;--dark:#cfc6b5;--dark-line:#b9ae99;
  --t-haul:#1f6fb0;--t-build:#c27a00;--t-clean:#7a4fc0;--t-other:#7c7568;
  --card:rgba(251,248,242,.94);
}}
:root[data-theme="light"]{
  color-scheme:light;
  --bg:#f2ede3;--bg-2:#e8e1d2;--surface:#fbf8f2;--surface-2:#ece5d6;
  --ink:#1c1a17;--ink-2:#3a3630;--muted:#57514a;--line:#cdc3b0;
  --accent:#8a4b00;--accent-ink:#fff8ee;--lit:#d98a12;--lit-2:#b65f00;--dark:#cfc6b5;--dark-line:#b9ae99;
  --t-haul:#1f6fb0;--t-build:#c27a00;--t-clean:#7a4fc0;--t-other:#7c7568;
  --card:rgba(251,248,242,.94);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--topbar) + 12px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit;text-decoration-color:var(--accent);text-underline-offset:.18em;text-decoration-thickness:1.5px}
a:hover{color:var(--accent)}
:focus-visible{outline:2.5px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:var(--accent);color:var(--accent-ink);padding:10px 14px;border-radius:8px;font-weight:600}
.skip-link:focus{top:10px}
.num{font-variant-numeric:tabular-nums lining-nums;white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- top bar: slim, takes the night's colour, drops its fill over the story */
.topbar{position:fixed;inset:0 0 auto 0;height:var(--topbar);z-index:40;display:flex;align-items:center;gap:6px;padding:0 max(14px,env(safe-area-inset-right)) 0 max(14px,env(safe-area-inset-left));
  background:linear-gradient(var(--bg) 30%,transparent);font-size:14px}
.topbar.solid{background:var(--bg);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;text-decoration:none;white-space:nowrap}
.brand-mark{display:grid;grid-template-columns:repeat(3,4px);gap:2px}
.brand-mark i{width:4px;height:4px;border-radius:1px;background:var(--dark-line)}
.brand-mark i.on{background:var(--lit);box-shadow:0 0 6px var(--lit)}
.topnav{display:none;gap:2px;margin-left:14px}
.topnav a{padding:5px 9px;border-radius:999px;text-decoration:none;color:var(--ink-2)}
.topnav a:hover,.topnav a[aria-current="true"]{color:var(--ink);background:var(--surface-2)}
@media (min-width:1120px){.topnav{display:flex}}
.spacer{flex:1}
.chip{padding:4px 10px;border-radius:999px;text-decoration:none;font-weight:600;font-size:13px;border:1px solid var(--line);color:var(--ink-2)}
.chip[aria-current="page"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.icon-btn{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;font:inherit}
.icon-btn:hover{background:var(--surface-2)}

/* ---------- reading rail: a hairline at the edge that appears after the opening */
.rail{position:fixed;right:8px;top:50%;transform:translateY(-50%);z-index:30;display:none;flex-direction:column;gap:0;opacity:0;transition:opacity .4s}
.rail.on{opacity:1}
@media (min-width:1120px){.rail{display:flex}}
.rail a{display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:4px 4px;text-decoration:none;font-size:12.5px;color:var(--ink-2)}
.rail .dot{width:6px;height:6px;border-radius:50%;background:var(--dark-line);flex:none}
.rail a[aria-current="true"] .dot{background:var(--lit);box-shadow:0 0 0 3px color-mix(in srgb,var(--lit) 25%,transparent)}
.rail .rail-label{opacity:0;transform:translateX(6px);transition:opacity .2s,transform .2s;background:var(--surface);padding:2px 8px;border-radius:6px;border:1px solid var(--line)}
.rail a:hover .rail-label,.rail a:focus-visible .rail-label{opacity:1;transform:none}
.progress{position:fixed;inset:0 0 auto 0;height:2px;z-index:45;pointer-events:none}
.progress span{display:block;height:100%;background:var(--lit);transform-origin:0 50%;transform:scaleX(0)}
@supports (animation-timeline:scroll()){.progress span{animation:grow linear both;animation-timeline:scroll(root)}@keyframes grow{to{transform:scaleX(1)}}}

/* ---------- the stage */
.story{position:relative}
.stage{position:sticky;top:0;height:100vh;height:100svh;width:100%;overflow:hidden;z-index:0;background:radial-gradient(130% 80% at 70% 100%,var(--bg-2),var(--bg) 72%)}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.stage::after{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,var(--bg) 0%,color-mix(in srgb,var(--bg) 82%,transparent) 34%,color-mix(in srgb,var(--bg) 30%,transparent) 52%,transparent 62%);transition:opacity .7s}
.stage.open::after{opacity:0}
@media (max-width:759px){.stage::after{display:none}}
.stage .still{position:absolute;left:0;right:0;bottom:0;width:100%;height:auto;display:none}
.no-canvas .stage canvas{display:none}.no-canvas .stage .still{display:block}
.stage .hud{transition:opacity .35s}.stage.leaving .hud{opacity:0}
.hud{position:absolute;right:max(34px,env(safe-area-inset-right));top:calc(var(--topbar) + 26px);z-index:2;text-align:right;pointer-events:none;width:min(360px,40vw)}
.hud-date{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-weight:600;min-height:1.2em}
.hud-big{font-family:var(--serif);font-weight:480;font-size:clamp(54px,7vw,104px);line-height:.95;letter-spacing:-.03em;font-variant-numeric:tabular-nums lining-nums;color:var(--ink);white-space:nowrap}
.hud-sub{font-size:14px;color:var(--ink-2);margin-top:6px;line-height:1.4}
.legend{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:4px 14px;margin-top:12px;font-size:12.5px;color:var(--ink-2)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:9px;height:9px;border-radius:2px;display:inline-block}
.legend .k-lit{background:var(--lit);box-shadow:0 0 6px var(--lit)}
.legend .k-dark{background:var(--dark);outline:1px solid var(--dark-line)}
.legend .k-fill{background:var(--ink-2)}.legend .k-outline{outline:1.5px solid var(--ink-2);outline-offset:-1.5px}
.legend .k-haul{background:var(--t-haul)}.legend .k-build{background:var(--t-build)}.legend .k-clean{background:var(--t-clean)}.legend .k-other{background:var(--t-other)}

/* ---------- steps */
.steps{position:relative;z-index:3;margin:-100vh 0 0;margin-top:-100svh;padding:0;list-style:none;pointer-events:none}
.step{min-height:100vh;min-height:100svh;display:flex;align-items:flex-start;padding:calc(var(--topbar) + 9vh) max(22px,5.5vw) 0}
.step-card{pointer-events:auto;width:min(430px,100%);background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px 18px;box-shadow:0 18px 60px rgba(0,0,0,.25)}
.step-card h2{font-family:var(--serif);font-weight:540;font-size:clamp(23px,2.4vw,29px);line-height:1.15;letter-spacing:-.012em;margin:0 0 10px;text-wrap:balance}
.step-card p{margin:0 0 10px;color:var(--ink-2)}
.step-card p:last-child{margin-bottom:0}
.step-card strong{color:var(--ink);font-weight:600}
.kicker{font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);font-weight:600;margin:0 0 10px}
.big{font-family:var(--serif);font-size:clamp(40px,5vw,58px);line-height:1;letter-spacing:-.025em;font-weight:480;color:var(--ink);font-variant-numeric:lining-nums;display:block;margin:2px 0 8px}
.big small{display:block;white-space:normal;font-size:14px;line-height:1.35;letter-spacing:0;color:var(--muted);font-family:var(--sans);font-weight:500;margin-top:6px}
.anchor{opacity:0;margin-left:.3em;text-decoration:none;color:var(--muted);font-family:var(--sans);font-size:.6em;vertical-align:middle}
h2:hover .anchor,.anchor:focus-visible{opacity:1}
@media (hover:none){.anchor{opacity:.7}}

.hero{align-items:flex-start;padding-top:calc(var(--topbar) + 7vh)}
.hero-card{pointer-events:auto;width:min(600px,100%)}
.hero h1{font-family:var(--serif);font-weight:520;font-size:clamp(38px,4.4vw,60px);line-height:1.04;letter-spacing:-.022em;margin:0 0 16px;text-wrap:balance}
.deck2{font-size:15.5px;color:var(--muted);margin:-8px 0 18px;max-width:36em}
.deck2 strong{color:var(--accent)}
.hero h1 em{font-style:italic;font-weight:400;color:var(--ink-2)}
.deck{font-size:clamp(17px,1.35vw,19.5px);color:var(--ink-2);margin:0 0 20px;max-width:34em}
.deck strong{color:var(--ink)}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:inherit;font-size:15.5px;font-weight:600;text-decoration:none;cursor:pointer}
.btn:hover{border-color:var(--accent);color:var(--ink)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.06);color:var(--accent-ink)}
.scroll-cue{font-size:14px;color:var(--muted)}

/* phone: the picture keeps the top of the screen and the text passes below it */
@media (max-width:759px){
  :root{--topbar:44px}
  .stage{height:42svh;top:var(--topbar);position:sticky;z-index:6;background:var(--bg);box-shadow:0 10px 18px -8px var(--bg)}
  .story{padding-top:var(--topbar)}
  .steps{margin-top:0}
  .step{min-height:auto;padding:16px 14px 30svh}
  .step-card{width:100%}
  .hero{padding-top:18px}
  .hero h1{font-size:34px}
  .deck{font-size:16.5px}
  .hud{left:12px;right:12px;top:8px;width:auto;text-align:left;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
  .hud-date{width:100%;font-size:11px}
  .hud-big{font-size:34px}
  .hud-sub{font-size:12px;margin:0;flex:1;min-width:150px}
  .legend{display:none}
  .topbar{background:var(--bg)}
}
@media (max-width:759px){.steps{position:relative}.stage-spacer{display:none}}

/* ---------- prose after the story */
.after{position:relative;z-index:4;background:var(--bg);border-top:1px solid var(--line)}
.prose{max-width:720px;margin:0 auto;padding:56px 22px 30px}
.prose h2{font-family:var(--serif);font-weight:540;font-size:clamp(26px,3vw,34px);line-height:1.15;letter-spacing:-.015em;margin:52px 0 14px}
.prose h3{font-size:18px;margin:28px 0 8px}
.prose p,.prose li{color:var(--ink-2)}
.prose strong{color:var(--ink)}
.sources{padding-left:1.1em}
.sources li{margin:0 0 8px;font-size:15px}
.tablewrap{overflow-x:auto;margin:18px 0 8px;border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;font-size:15px}
caption{text-align:left;padding:10px 14px;color:var(--muted);font-size:14px}
th,td{padding:8px 14px;text-align:right;border-top:1px solid var(--line);font-variant-numeric:tabular-nums}
th:first-child,td:first-child{text-align:left}
thead th{color:var(--muted);font-weight:600;font-size:13px}
.site-footer{max-width:720px;margin:0 auto;padding:26px 22px 60px;display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px;color:var(--muted);border-top:1px solid var(--line)}
.back-top{position:fixed;left:16px;bottom:16px;z-index:35;display:inline-flex;align-items:center;gap:6px;min-height:44px;min-width:44px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:inherit;font-size:14px;cursor:pointer}

/* ---------- legend follows the scene */
.legend .lg-trade{display:none}
.stage[data-mode="trade"] .legend .lg-lit{display:none}
.stage[data-mode="trade"] .legend .lg-trade{display:inline-flex}
.stage[data-mode="map"] .legend,.stage[data-mode="trade"] .hud-big,.stage[data-mode="trade"] .hud-sub,.stage[data-mode="trade"] .hud-date{display:none}
.legend .lg-note{color:var(--muted)}
.loading{position:absolute;left:50%;bottom:30%;transform:translateX(-50%);color:var(--muted);font-size:14px}
.tip{position:absolute;z-index:3;pointer-events:none;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:5px 9px;font-size:13px;color:var(--ink);white-space:nowrap}
.stage[data-mode="map"] [data-map]{cursor:pointer}

/* ---------- the reader's council */
.explore{align-items:flex-start}
.panel{pointer-events:auto;width:min(440px,100%);background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px 18px;box-shadow:0 18px 60px rgba(0,0,0,.25);margin-bottom:12vh}
.panel h2{font-family:var(--serif);font-weight:540;font-size:clamp(24px,2.5vw,30px);line-height:1.15;margin:0 0 10px}
.panel>p{color:var(--ink-2);margin:0 0 14px}
.combo{position:relative;margin-bottom:10px}
.combo label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}
.combo-row{display:flex;gap:8px}
.combo input{flex:1;min-width:0;min-height:46px;padding:10px 14px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:inherit;font-size:16px}
.combo input:focus{outline:2px solid var(--accent);outline-offset:1px}
.combo ul{position:absolute;left:0;right:0;top:100%;z-index:5;margin:4px 0 0;padding:4px;list-style:none;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.3);max-height:300px;overflow:auto}
.combo li{padding:10px 12px;border-radius:8px;cursor:pointer}
.combo li:hover,.combo li[aria-selected="true"]{background:var(--surface-2)}
.btn.clear{min-height:46px;padding:8px 14px;font-size:14px;white-space:nowrap}
.quick{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 12px}
.qbtn{min-height:36px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink-2);font:inherit;font-size:14px;cursor:pointer}
.qbtn:hover{border-color:var(--accent);color:var(--ink)}
@media (pointer:coarse){.qbtn{min-height:44px}}
.none{color:var(--muted);font-size:14px}
.result{border-top:1px solid var(--line);padding-top:12px;margin-top:4px}
.result h3{font-family:var(--serif);font-weight:540;font-size:24px;margin:0 0 6px}
.r-head{margin:0 0 10px;color:var(--ink)}
.r-facts{margin:10px 0 0;padding-left:1.1em;color:var(--ink-2);font-size:15px}
.r-facts li{margin:0 0 5px}
.r-years-h{font-size:13px;font-weight:600;color:var(--muted);margin:6px 0 6px}
.yr{display:grid;grid-template-columns:40px 1fr 82px;gap:8px;align-items:center;font-size:13px;margin:0 0 3px}
.yl{color:var(--muted);font-variant-numeric:tabular-nums}
.yb{display:block;height:10px;border-radius:2px;background:var(--dark);outline:1px solid var(--dark-line);position:relative;overflow:hidden;min-width:0}
.yb i{position:absolute;left:0;top:0;bottom:0;background:var(--lit)}
.yb.unk{background:repeating-linear-gradient(135deg,var(--dark) 0 4px,transparent 4px 8px)}
.r-key{font-size:12.5px;color:var(--muted);margin:6px 0 0}
.yv{text-align:right;color:var(--ink-2)}
.share{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin-top:14px;border-top:1px solid var(--line);padding-top:12px}
.share-label{font-size:13px;font-weight:600;color:var(--muted);width:100%}
.share-row{display:flex;gap:8px;flex-wrap:wrap}
.sbtn{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;text-decoration:none}
.sbtn:hover,.sbtn:focus-visible{color:var(--accent);border-color:var(--accent)}
@media (pointer:coarse){.sbtn{width:44px;height:44px}}
.share-msg{font-size:13px;color:var(--accent);min-height:1.2em;margin:6px 0 0}
@media (max-width:759px){.panel{width:100%;margin-bottom:6svh}}

/* comparisons drawn in the cards */
.pairs{margin:4px 0 12px;padding:0}
.pairs figcaption{font-size:12.5px;color:var(--muted);margin:0 0 8px;font-weight:600}
.pr{display:grid;grid-template-columns:minmax(0,1fr) 38% 52px;gap:8px;align-items:center;font-size:13.5px;margin:0 0 5px}
.pl{color:var(--ink-2);line-height:1.25}
.pb{height:12px;border-radius:2px;background:color-mix(in srgb,var(--dark) 55%,transparent);position:relative;overflow:hidden}
.pb i{position:absolute;inset:0 auto 0 0;border-radius:2px}
.pr.ro .pb i{background:var(--lit)}
.pr.all .pb i{background:var(--t-other);opacity:.75}
.pr.all .pl{color:var(--muted)}
.pv{text-align:right;font-weight:600;color:var(--ink)}
.pr.all+.pr.ro{margin-top:10px}
@media (max-width:759px){
  .stage{height:36svh!important}
  .step{padding:14px 14px 14svh!important}
  .hero{padding-top:14px!important}
  .back-top{left:auto;right:12px;bottom:12px;min-height:44px;padding:0 12px}
  .legend{display:flex!important;justify-content:flex-start;gap:2px 10px;margin-top:4px;font-size:11px;width:100%}
  .legend .lg-lit{display:none}
  .stage[data-mode="map"] .legend{display:none!important}
}