@font-face{font-family:"Deck Serif";src:url(fonts/NotoSerifDisplay-Light.woff) format("woff");font-weight:300}
@font-face{font-family:"Deck Serif";src:url(fonts/NotoSerifDisplay-Regular.woff) format("woff");font-weight:400}
@font-face{font-family:"Deck Serif";src:url(fonts/NotoSerifDisplay-Medium.woff) format("woff");font-weight:500}
@font-face{font-family:"Deck Serif";src:url(fonts/NotoSerifDisplay-Italic.woff) format("woff");font-weight:400;font-style:italic}
@font-face{font-family:"Deck Sans";src:url(fonts/NotoSans-Light.woff) format("woff");font-weight:300}
@font-face{font-family:"Deck Sans";src:url(fonts/NotoSans-Regular.woff) format("woff");font-weight:400}
@font-face{font-family:"Deck Sans";src:url(fonts/NotoSans-Medium.woff) format("woff");font-weight:500 600}

:root{
  --paper:#FFFFFF; --panel:#F5F2EC; --ink:#1E1B18; --body:#3A342E; --muted:#7A7166; --rule:#DDD6CA;
  --water:#2D6A8F; --water-l:#9CC3D5; --deep:#1F3F66; --dry:#D9773A; --dry-d:#A9472A;
  --km:#C4953A; --os:#3F7C73; --ha:#B4553D; --tr:#6E6A64;
  --serif:"Deck Serif", "Noto Serif Display", Georgia, serif; --sans:"Deck Sans", "Noto Sans", "Segoe UI", Arial, sans-serif;
  --ease:cubic-bezier(.22,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{width:100%;height:100%;overflow:hidden;background:#fff}
body{font-family:var(--sans);color:var(--body);-webkit-font-smoothing:antialiased;font-variant-numeric:lining-nums}
#viewport{position:fixed;inset:0;display:grid;place-items:center;background:#fff}
#stage{position:absolute;left:0;top:0;width:1920px;height:1080px;transform-origin:0 0;background:var(--paper);overflow:hidden}

/* ---------------------------------------------------------------- slides */
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .45s var(--ease),transform .55s var(--ease),visibility 0s .55s}
.slide.on{opacity:1;visibility:visible;transform:none;transition:opacity .45s var(--ease),transform .55s var(--ease),visibility 0s}
.pad{position:absolute;inset:76px 96px 70px 96px}
.kicker{font:500 21px/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--water)}
h1,h2{font-family:var(--serif);font-weight:300;color:var(--ink);letter-spacing:-.005em}
h1{font-size:118px;line-height:1.0}
h2{font-size:66px;line-height:1.06;margin-top:18px}
h2 em,h1 em{font-style:italic;font-weight:400}
.lead{font:300 32px/1.4 var(--sans);color:var(--body);max-width:24em;margin-top:22px}
.src{position:absolute;left:96px;bottom:26px;font:400 17px/1.2 var(--sans);color:var(--muted);letter-spacing:.02em}
.small{font-size:22px;color:var(--muted)}

/* map slide: map left, panel right */
.mapbox{position:absolute;left:70px;top:40px;height:1000px;width:830px;overflow:hidden;border-radius:2px;background:#DCE6E6}
.mapbox img,.mapbox canvas,.mapbox svg.ov{position:absolute;left:0;top:0;width:100%;height:100%;display:block}
.mapbox img.layer{opacity:0;transition:opacity .7s var(--ease)}
.mapbox img.layer.show{opacity:1}
.panel{position:absolute;left:980px;right:90px;top:84px;bottom:70px;display:flex;flex-direction:column}
.panel h2{font-size:60px}
.panel .lead{font-size:29px;max-width:none}
.big{font:300 150px/0.95 var(--serif);color:var(--ink);letter-spacing:-.02em;margin-top:34px;font-variant-numeric:lining-nums tabular-nums}
.big small{font:400 34px/1 var(--sans);color:var(--muted);letter-spacing:0;margin-left:14px}
.bigcap{font:400 26px/1.3 var(--sans);color:var(--muted);margin-top:10px}
.legend{margin-top:auto;padding-top:24px}
.legend svg{display:block;width:100%;overflow:visible}
.mkey{display:flex;flex-wrap:wrap;gap:8px 30px;margin-top:16px;font:400 21px/1.2 var(--sans);color:var(--body)}
.mkey span{display:inline-flex;align-items:center;gap:10px}
.mkey i{display:inline-block;width:34px;border-top:3px solid var(--ink)}

.step{opacity:0;transform:translateY(10px);transition:opacity .5s var(--ease),transform .6s var(--ease)}
.step.vis{opacity:1;transform:none}
.fadeonly{transition:opacity .6s var(--ease)}

/* stat rows */
.stats{display:grid;grid-template-columns:repeat(var(--n,3),1fr);gap:0;border-top:2px solid var(--ink);margin-top:36px}
.stat{padding:22px 24px 6px 0}
.stat+.stat{padding-left:26px;border-left:1px solid var(--rule)}
.stat b{display:block;font:300 74px/1 var(--serif);color:var(--ink);font-variant-numeric:lining-nums tabular-nums}
.stat span{display:block;font:400 23px/1.3 var(--sans);color:var(--muted);margin-top:10px}

/* controls (presenter can also use ↑/↓) */
.ctrl{display:flex;align-items:center;gap:14px;margin-top:26px;font:500 22px/1 var(--sans);color:var(--muted)}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{border:1.5px solid var(--rule);border-radius:999px;padding:11px 20px;font:500 21px/1 var(--sans);color:var(--body);background:#fff;cursor:pointer;transition:all .25s}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.chip:hover{border-color:var(--ink)}
.play{width:56px;height:56px;border-radius:50%;border:1.5px solid var(--ink);background:#fff;display:grid;place-items:center;cursor:pointer}
.play svg{width:22px;height:22px}
.range{position:relative;height:56px;flex:1;cursor:pointer}
.range .track{position:absolute;left:0;right:0;top:27px;height:3px;background:var(--rule)}
.range .fill{position:absolute;left:0;top:27px;height:3px;background:var(--ink)}
.range .knob{position:absolute;top:16px;width:25px;height:25px;margin-left:-12px;border-radius:50%;background:var(--ink);box-shadow:0 0 0 6px #fff}
.range .tick{position:absolute;top:44px;transform:translateX(-50%);font:400 19px/1 var(--sans);color:var(--muted);white-space:nowrap}
.range .tick.on{color:var(--ink);font-weight:500}

/* charts */
svg text{font-family:var(--sans)}
.ax{font:400 20px var(--sans);fill:var(--muted)}
.lbl{font:400 22px var(--sans);fill:var(--body)}
.val{font:500 22px var(--sans);fill:var(--ink)}
.grid line{stroke:#ECE6DC;stroke-width:1}

/* chapter cards */
.chapter{background:var(--ink)}
.chapter .pad{display:flex;flex-direction:column;justify-content:center}
.chapter .no{font:300 220px/1 var(--serif);color:rgba(255,255,255,.14);position:absolute;right:110px;bottom:60px}
.chapter h2{color:#fff;font-size:104px;margin-top:22px}
.chapter .kicker{color:#9CC3D5}
.chapter .lead{color:#CFC8BD}
.chapter canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.5}

/* chrome */
#bar{position:absolute;left:0;right:0;bottom:0;height:7px;display:flex;gap:3px;background:#fff;z-index:20}
#bar div{flex:1;background:#EFEAE2;position:relative;overflow:hidden}
#bar div i{position:absolute;left:0;top:0;bottom:0;background:var(--water);transition:width .5s var(--ease)}
#bar div.done i{width:100%!important;background:#B9CFDA}
#crumb{position:absolute;right:96px;bottom:24px;font:500 17px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);z-index:20}
#crumb b{color:var(--ink);font-weight:500}
#dots{position:absolute;right:96px;top:40px;display:flex;gap:8px;z-index:20}
#dots i{width:9px;height:9px;border-radius:50%;background:#E3DDD2}
#dots i.on{background:var(--ink)}
#blank{position:fixed;inset:0;background:#fff;z-index:100;display:none}
#overview{position:fixed;inset:0;background:rgba(250,248,244,.98);z-index:90;display:none;overflow:auto;padding:46px 60px}
#overview .grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
#overview h3{grid-column:1/-1;font:500 15px/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--water);margin:18px 0 2px}
#overview button{all:unset;cursor:pointer;background:#fff;border:1px solid var(--rule);border-radius:6px;padding:14px 16px;min-height:96px;display:flex;flex-direction:column;gap:8px}
#overview button.cur{border-color:var(--ink);box-shadow:0 0 0 2px var(--ink)}
#overview button b{font:500 13px/1 var(--sans);color:var(--muted)}
#overview button span{font:400 18px/1.25 var(--serif);color:var(--ink)}
#jump{position:fixed;left:50%;top:40%;transform:translate(-50%,-50%);font:300 80px/1 var(--serif);background:#fff;border:1px solid var(--rule);padding:20px 40px;border-radius:8px;z-index:95;display:none;box-shadow:0 20px 60px rgba(0,0,0,.12)}
#zoom{position:fixed;inset:0;z-index:96;background:rgba(255,255,255,.97);display:none;place-items:center;cursor:zoom-out}
#zoom img{max-width:96vw;max-height:96vh;box-shadow:0 10px 50px rgba(0,0,0,.15)}

/* tooltips (presenter hover only, never essential) */
.tip{position:absolute;pointer-events:none;background:var(--ink);color:#fff;font:500 22px/1.3 var(--sans);padding:12px 16px;border-radius:6px;white-space:nowrap;opacity:0;transition:opacity .15s;z-index:30}
.tip small{display:block;font-weight:400;color:#CFC8BD;font-size:19px}

@media (prefers-reduced-motion:reduce){*{transition-duration:.01s!important;animation-duration:.01s!important}}
body.dark #crumb,body.dark #crumb b{color:#CFC8BD}
body.dark #bar{background:#1E1B18}
.chapter .pad{z-index:2}