/* Layout: full-bleed sticky map with frosted-glass story cards over it, then a long-form article, FAQ and methods. Apple-style system type, hairlines and vibrancy. */
:root{
  --bg:#f5f5f7; --bg-2:#ffffff; --ink:#1d1d1f; --ink-2:#6e6e73; --ink-3:#86868b;
  --hair:rgba(0,0,0,.09); --glass:rgba(255,255,255,.66); --glass-strong:rgba(255,255,255,.82); --glass-edge:rgba(255,255,255,.75);
  --shadow:0 10px 40px rgba(0,0,0,.10),0 1px 2px rgba(0,0,0,.06);
  --accent:#0071e3; --accent-ink:#ffffff; --accent-soft:rgba(0,113,227,.10);
  --land:#ececf0; --land-pk:#e6e3dc; --sea:#dfe4ea; --border:#b9bec6; --district:rgba(60,60,67,.18); --label:#3a3a3c; --label-halo:rgba(255,255,255,.9);
  --good:#34c759; --sat:#a3d94c; --mod:#ffcc00; --poor:#ff9500; --vpoor:#ff3b30; --severe:#8e1b3b;
  --f-ui:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Inter","Helvetica Neue",system-ui,sans-serif;
  --f-display:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter","Helvetica Neue",system-ui,sans-serif;
  --f-mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
  --r-lg:22px; --r-md:14px; --r-sm:10px; --nav-h:52px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#000000; --bg-2:#0d0d0f; --ink:#f5f5f7; --ink-2:#a1a1a6; --ink-3:#8e8e93;
  --hair:rgba(255,255,255,.12); --glass:rgba(28,28,30,.58); --glass-strong:rgba(28,28,30,.80); --glass-edge:rgba(255,255,255,.10);
  --shadow:0 10px 40px rgba(0,0,0,.55),0 1px 2px rgba(0,0,0,.4);
  --accent:#2997ff; --accent-ink:#00172e; --accent-soft:rgba(41,151,255,.16);
  --land:#1c1c1e; --land-pk:#232220; --sea:#0b0d10; --border:#4a4a4f; --district:rgba(235,235,245,.10); --label:#e5e5ea; --label-halo:rgba(0,0,0,.85);
  color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#000000; --bg-2:#0d0d0f; --ink:#f5f5f7; --ink-2:#a1a1a6; --ink-3:#8e8e93;
  --hair:rgba(255,255,255,.12); --glass:rgba(28,28,30,.58); --glass-strong:rgba(28,28,30,.80); --glass-edge:rgba(255,255,255,.10);
  --shadow:0 10px 40px rgba(0,0,0,.55),0 1px 2px rgba(0,0,0,.4);
  --accent:#2997ff; --accent-ink:#00172e; --accent-soft:rgba(41,151,255,.16);
  --land:#1c1c1e; --land-pk:#232220; --sea:#0b0d10; --border:#4a4a4f; --district:rgba(235,235,245,.10); --label:#e5e5ea; --label-halo:rgba(0,0,0,.85);
  color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font:17px/1.6 var(--f-ui);-webkit-font-smoothing:antialiased;letter-spacing:-.01em}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.glass{background:var(--glass);-webkit-backdrop-filter:blur(28px) saturate(180%);backdrop-filter:blur(28px) saturate(180%);
  border:1px solid var(--glass-edge);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.18)}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.glass{background:var(--glass-strong)}}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.num{font-variant-numeric:tabular-nums}

/* Top bar */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;height:var(--nav-h);border-width:0 0 1px;border-radius:0;box-shadow:none}
.topbar .wrap{max-width:none;height:100%;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:9px;font:600 17px var(--f-display);color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand i{width:22px;height:22px;border-radius:7px;background:conic-gradient(from 210deg,var(--good),var(--mod),var(--poor),var(--vpoor),var(--severe),var(--good));display:block;box-shadow:inset 0 0 0 1px rgba(255,255,255,.35)}
.topnav{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none;min-width:0}
.topnav::-webkit-scrollbar{display:none}
.topnav a{color:var(--ink);font-size:14px;padding:6px 11px;border-radius:999px;white-space:nowrap;opacity:.85}
.topnav a:hover{background:var(--accent-soft);text-decoration:none;opacity:1}

/* Hero: centred, one message, the satellite map as the "product shot" */
.hero{padding-block:clamp(56px,9vw,112px) clamp(56px,8vw,96px);text-align:center;background:var(--bg-2)}
.eyebrow{font:600 14px var(--f-ui);letter-spacing:-.005em;color:var(--ink-2);margin:0}
.hero h1{font:700 clamp(44px,8vw,96px)/1.02 var(--f-display);letter-spacing:-.045em;margin:16px auto 20px;text-wrap:balance;max-width:13ch}
.hero h1 span{background:linear-gradient(90deg,#ff9500,#ff3b30 50%,#af52de);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font:500 clamp(20px,2.4vw,28px)/1.35 var(--f-display);letter-spacing:-.02em;color:var(--ink-2);max-width:30ch;margin:0 auto;text-wrap:balance}
.cta{display:flex;gap:14px 26px;flex-wrap:wrap;justify-content:center;align-items:center;margin-top:32px}
.btn{display:inline-flex;align-items:center;gap:6px;font:500 17px var(--f-ui);padding:12px 24px;border-radius:999px;border:0;cursor:pointer;min-height:44px}
.btn.primary{background:var(--accent);color:#fff}
.btn.primary:hover{text-decoration:none;filter:brightness(1.08)}
.btn.ghost{color:var(--accent);padding-inline:4px}
.hero-shot{margin:clamp(40px,6vw,72px) auto 0;max-width:980px}
.hero-shot img{display:block;width:100%;height:auto;border-radius:clamp(20px,3vw,32px);box-shadow:0 30px 80px rgba(0,0,0,.18)}
.hero-shot figcaption{font-size:14px;color:var(--ink-2);margin-top:14px}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:clamp(32px,4vw,48px) auto 0;max-width:980px;text-align:left}
.stat{border-radius:24px;padding:22px 20px 20px;background:var(--bg)}
.stat b{display:block;font:700 clamp(30px,3.4vw,40px)/1 var(--f-display);letter-spacing:-.035em}
.stat span{display:block;font-size:14px;line-height:1.4;color:var(--ink-2);margin-top:10px}
.stat.hot b{color:var(--vpoor)}
.lead{font-size:17px;line-height:1.6;color:var(--ink-2);max-width:62ch;margin:clamp(32px,4vw,44px) auto 0}
.lead strong{color:var(--ink);font-weight:600}

/* Atlas */
.atlas{position:relative}
.map-sticky{position:sticky;top:calc(var(--nav-h) + env(safe-area-inset-top,0px));height:calc(100vh - var(--nav-h) - env(safe-area-inset-top,0px));height:calc(100dvh - var(--nav-h) - env(safe-area-inset-top,0px));z-index:1}
#map{position:absolute;inset:0;background:var(--sea);z-index:0;isolation:isolate}
.steps{position:relative;z-index:3;margin-top:calc(-100vh + var(--nav-h));pointer-events:none;
  padding-left:max(20px,env(safe-area-inset-left,0px));width:min(470px,100%);padding-bottom:30vh}
.step{pointer-events:auto;border-radius:28px;padding:26px 26px 22px;margin-bottom:62vh;transition:opacity .45s,transform .45s cubic-bezier(.2,.7,.2,1);opacity:.45;transform:scale(.985);background:var(--glass-strong)}
.step:first-child{margin-top:14vh}
.step.active{opacity:1}
.step .tag{display:flex;align-items:center;gap:10px;font:600 15px var(--f-ui);letter-spacing:-.01em;color:var(--ink)}
.step .tag .tb{color:var(--c,var(--accent));display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;background:color-mix(in srgb,var(--c,var(--accent)) 15%,transparent)}
.step .tag .ico{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.step.active{transform:none}
.step h2{font:700 30px/1.1 var(--f-display);letter-spacing:-.032em;margin:14px 0 10px;text-wrap:balance}
.step p{margin:.5em 0;font-size:16px;line-height:1.55;color:var(--ink)}
.step p.muted,.muted{color:var(--ink-2)}
.kpis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:16px 0}
.kpi{background:color-mix(in srgb,var(--ink) 5%,transparent);border-radius:18px;padding:14px 14px 12px}
.kpi b{display:block;font:700 26px/1.05 var(--f-display);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.kpi span{display:block;font-size:12.5px;line-height:1.35;color:var(--ink-2);margin-top:4px}
.switches{display:flex;flex-direction:column;margin:16px 0 4px;border-radius:16px;background:color-mix(in srgb,var(--ink) 5%,transparent);overflow:hidden}
.switches:empty{display:none}
.sw{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:15px;padding:10px 14px;cursor:pointer;min-height:44px;position:relative}
.sw + .sw::before{content:"";position:absolute;top:0;left:14px;right:0;height:1px;background:var(--hair)}
.sw input{appearance:none;-webkit-appearance:none;width:42px;height:25px;border-radius:999px;background:var(--hair);position:relative;cursor:pointer;flex:none;transition:background .2s;margin:0}
.sw input::after{content:"";position:absolute;top:2px;left:2px;width:21px;height:21px;border-radius:50%;background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.25);transition:transform .2s}
.sw input:checked{background:var(--good)}
.sw input:checked::after{transform:translateX(17px)}
.readmore{display:inline-flex;align-items:center;gap:4px;font-size:15px;font-weight:600;margin-top:12px;min-height:44px}
.chart{margin:10px 0 2px}
.chart svg{width:100%;height:auto;display:block}
.chart figcaption{font-size:12.5px;color:var(--ink-2);margin-top:4px;line-height:1.4}

/* Map chrome */
.chips{position:absolute;z-index:20;top:14px;left:calc(470px + 40px);right:72px;display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding:2px}
.chips::-webkit-scrollbar{display:none}
.chip{font:500 13px var(--f-ui);padding:7px 12px;border-radius:999px;cursor:pointer;color:var(--ink);white-space:nowrap;border:1px solid var(--glass-edge)}
.chip[aria-current="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.mapctl{position:absolute;z-index:20;top:14px;right:calc(14px + env(safe-area-inset-right,0px));display:flex;flex-direction:column;border-radius:var(--r-md);overflow:hidden}
.mapctl button{width:40px;height:40px;border:0;background:transparent;color:var(--ink);font:500 20px/1 var(--f-ui);cursor:pointer;display:grid;place-items:center}
.mapctl button+button{border-top:1px solid var(--hair)}
.mapctl button:hover{background:var(--accent-soft)}
.legend{position:absolute;z-index:20;right:calc(14px + env(safe-area-inset-right,0px));bottom:30px;border-radius:var(--r-md);padding:12px 14px;font-size:12.5px;width:250px;max-width:calc(100% - 28px)}
.legend .lg-h{margin:0 0 6px;font:600 12.5px var(--f-ui)}
.legend .ramp{height:8px;border-radius:99px}
.legend .ticks{display:flex;justify-content:space-between;font:11px var(--f-mono);color:var(--ink-2);margin-top:3px}
.legend .row{display:flex;align-items:center;gap:8px;margin:3px 0;color:var(--ink)}
.legend .dot{width:11px;height:11px;border-radius:50%;flex:none;box-shadow:0 0 0 1.5px var(--bg-2)}
.legend .ln{width:18px;height:3px;border-radius:2px;flex:none}
.legend .sep{height:1px;background:var(--hair);margin:9px 0}
.loading{position:absolute;inset:0;display:grid;place-items:center;z-index:25;color:var(--ink-2);font-size:15px}
.legend .lg-body{max-height:min(46vh,420px);overflow:auto;overscroll-behavior:contain}
.mapctl .fs-close{display:none}
.map-full .mapctl .fs-open{display:none}.map-full .mapctl .fs-close{display:inline}
/* Full-screen map */
.map-sticky.map-full{position:fixed!important;inset:0!important;top:0!important;height:100vh!important;height:100dvh!important;z-index:200!important;box-shadow:none}
.map-full .chips{left:12px;top:max(12px,env(safe-area-inset-top,0px))}
.map-full .mapctl{top:max(12px,env(safe-area-inset-top,0px))}
.map-full #map{touch-action:none}
.map-ph{pointer-events:none}
/* Desktop: keep the scale bar clear of the story cards */
@media (min-width:901px){.atlas .leaflet-bottom.leaflet-left{left:510px}.map-full .leaflet-bottom.leaflet-left{left:0}}
.gesture-hint{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:30;max-width:min(300px,80%);padding:12px 16px;border-radius:16px;background:rgba(0,0,0,.72);color:#fff;font:500 14px/1.4 var(--f-ui);text-align:center;opacity:0;pointer-events:none;transition:opacity .25s}
.gesture-hint.show{opacity:1}
@media (min-width:901px){.attr-btn{display:none}}
.attr-btn{width:28px;height:28px;border-radius:50%;border:0;background:var(--glass-strong);color:var(--ink);font:600 14px/28px var(--f-ui);cursor:pointer;box-shadow:var(--shadow);padding:0}

/* Leaflet essentials (library CSS cannot be loaded from a CDN in this frame) */
.leaflet-pane,.leaflet-tile,.leaflet-marker-icon,.leaflet-marker-shadow,.leaflet-tile-container,.leaflet-pane>svg,.leaflet-pane>canvas,.leaflet-zoom-box,.leaflet-image-layer,.leaflet-layer{position:absolute;left:0;top:0}
.leaflet-container{overflow:hidden;-webkit-tap-highlight-color:transparent;font:13px var(--f-ui);outline:none}
.leaflet-pane{z-index:400}.leaflet-overlay-pane{z-index:400}.leaflet-shadow-pane{z-index:500}.leaflet-marker-pane{z-index:600}.leaflet-tooltip-pane{z-index:650}.leaflet-popup-pane{z-index:700}
.leaflet-map-pane canvas{z-index:100}.leaflet-map-pane svg{z-index:200}
.leaflet-image-layer{image-rendering:auto}
.leaflet-container img.leaflet-image-layer,.leaflet-container img.leaflet-tile,.leaflet-container .leaflet-marker-icon{max-width:none!important;max-height:none!important}
.leaflet-control{position:relative;z-index:800;pointer-events:auto;float:left;clear:both}
.leaflet-top,.leaflet-bottom{position:absolute;z-index:1000;pointer-events:none}
.leaflet-top{top:0}.leaflet-right{right:0}.leaflet-bottom{bottom:0}.leaflet-left{left:0}
.leaflet-right .leaflet-control{float:right}
.leaflet-bottom .leaflet-control{margin-bottom:6px}.leaflet-right .leaflet-control{margin-right:calc(8px + env(safe-area-inset-right,0px))}
.leaflet-left .leaflet-control{margin-left:calc(8px + env(safe-area-inset-left,0px))}
.leaflet-interactive{cursor:pointer}.leaflet-grab{cursor:grab}.leaflet-dragging .leaflet-grab{cursor:grabbing}
.leaflet-zoom-animated{transform-origin:0 0}
.leaflet-zoom-anim .leaflet-zoom-animated{transition:transform .25s cubic-bezier(0,0,.25,1)}
.leaflet-fade-anim .leaflet-popup{opacity:0;transition:opacity .2s linear}
.leaflet-fade-anim .leaflet-map-pane .leaflet-popup{opacity:1}
.leaflet-control-scale-line{border:1.5px solid var(--ink-2);border-top:none;font:11px var(--f-mono);color:var(--ink);background:var(--glass-strong);padding:0 5px;border-radius:0 0 4px 4px}
.leaflet-control-attribution{background:var(--glass-strong);color:var(--ink-2);font-size:10px;padding:1px 7px;border-radius:6px}
.leaflet-control-attribution a{color:var(--accent)}
.leaflet-popup{position:absolute;text-align:left;margin-bottom:18px}
.leaflet-popup-content-wrapper{border-radius:18px;background:var(--glass);-webkit-backdrop-filter:blur(30px) saturate(180%);backdrop-filter:blur(30px) saturate(180%);
  border:1px solid var(--glass-edge);box-shadow:var(--shadow);color:var(--ink)}
.leaflet-popup-content{margin:14px 16px 12px;line-height:1.4;min-width:220px}
.leaflet-popup-tip-container{width:36px;height:16px;position:absolute;left:50%;margin-left:-18px;overflow:hidden;pointer-events:none}
.leaflet-popup-tip{width:14px;height:14px;margin:-8px auto 0;transform:rotate(45deg);background:var(--glass-strong);border:1px solid var(--glass-edge)}
.leaflet-popup-close-button{position:absolute;top:10px;right:10px;width:24px;height:24px;border-radius:50%;background:var(--hair);color:var(--ink-2);text-align:center;font:600 15px/24px var(--f-ui);text-decoration:none}
.leaflet-popup-close-button:hover{text-decoration:none;color:var(--ink)}
.leaflet-tooltip{position:absolute;padding:4px 8px;border-radius:8px;white-space:nowrap;pointer-events:none;background:var(--glass-strong);color:var(--ink);border:1px solid var(--glass-edge);font:500 12px var(--f-ui);box-shadow:var(--shadow)}
.pop-k{font:600 11px var(--f-ui);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-2)}
.pop-t{font:700 17px/1.2 var(--f-display);letter-spacing:-.02em;margin:3px 28px 8px 0}
.pop dl{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:0;font-size:13px}
.pop dt{color:var(--ink-2)}
.pop dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums;text-align:right}
.pop .pill{display:inline-block;padding:1px 8px;border-radius:99px;color:#fff;font-weight:600;font-size:12px}
.pop-f{margin-top:9px;padding-top:7px;border-top:1px solid var(--hair);font-size:11.5px;color:var(--ink-2)}
.city{font:600 12px var(--f-ui);color:var(--label);text-shadow:0 0 3px var(--label-halo),0 0 6px var(--label-halo);white-space:nowrap;pointer-events:none;transform:translate(-50%,-50%)}
.city.big{font-size:14px;font-weight:700}
.city.pk{font-style:italic;opacity:.8}
.pulse{display:block;width:14px;height:14px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px var(--bg-2);position:relative}
.pulse::after{content:"";position:absolute;inset:-3px;border-radius:50%;border:2px solid var(--accent);animation:pulse 2.2s ease-out infinite}
@keyframes pulse{from{transform:scale(1);opacity:.9}to{transform:scale(3.2);opacity:0}}
/* .traj lines are drawn still: animating 80+ SVG dashes repainted the whole map every frame */
@media (prefers-reduced-motion:reduce){.pulse::after,.traj{animation:none}.step{transition:none}.leaflet-zoom-anim .leaflet-zoom-animated{transition:none}}


@media (max-width:900px){
  :root{--nav-h:48px}
  .topnav a{padding:6px 8px;font-size:13px}
  .map-sticky{height:48vh;height:48svh;z-index:5;box-shadow:0 1px 0 var(--hair),0 12px 24px -12px rgba(0,0,0,.25)}
  .steps{margin-top:0;width:100%;padding:16px max(16px,env(safe-area-inset-right,0px)) 40px max(16px,env(safe-area-inset-left,0px))}
  .step{margin:0 0 16px;opacity:1;transform:none;background:var(--bg-2);border:1px solid var(--hair);box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}
  .steps{padding-top:16px!important}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step:first-child{margin-top:0}
  .chips{left:12px;right:62px;top:10px}
  .mapctl{top:10px}
  .mapctl button{width:36px;height:36px}
  /* Phone: legend is a slim strip along the bottom of the map that scrolls sideways */
  .legend{left:calc(8px + env(safe-area-inset-left,0px));right:44px;bottom:8px;width:auto;max-width:none;padding:7px 10px 8px;font-size:11px;border-radius:14px}
  .legend .lg-head{margin:0 0 4px}
  .legend .lg-body{display:flex;gap:18px;overflow-x:auto;overflow-y:hidden;max-height:none;scrollbar-width:none}
  .legend .lg-body::-webkit-scrollbar{display:none}
  .legend .lg-item{flex:0 0 auto;min-width:130px;max-width:190px}
  .legend .lg-item .row{margin:2px 0}
  .legend .sep{display:none}
  .legend .lg-h{font-size:11px;margin:0 0 4px}
  .legend.collapsed{right:auto}
  .leaflet-control-scale{display:none}
  .leaflet-control-attribution{display:none}
  .attr-open .leaflet-control-attribution{display:block;max-width:calc(100vw - 70px);white-space:normal;line-height:1.35;padding:4px 8px}
}
@media (max-width:520px){ .brand span{display:none} }

/* Round 2 additions: legend toggle, replay player */
.legend{transition:transform .2s}
.legend .lg-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:-2px 0 6px}
.legend .lg-head b{font:600 12.5px var(--f-ui)}
.legend .lg-btn{border:0;background:var(--hair);color:var(--ink);border-radius:999px;font:600 11px var(--f-ui);padding:3px 9px;cursor:pointer}
.legend.collapsed .lg-body{display:none}
.legend.collapsed{width:auto}
.player{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;align-items:center;margin:12px 0 4px}
.player button{width:38px;height:38px;border-radius:50%;border:0;background:var(--accent);color:#fff;font:600 15px var(--f-ui);cursor:pointer;display:grid;place-items:center}
.player input[type=range]{width:100%;accent-color:var(--accent)}
.clock{font:700 22px/1.1 var(--f-display);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.clock small{display:block;font:500 12.5px var(--f-ui);color:var(--ink-2);letter-spacing:0;margin-top:2px}
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font:600 12px var(--f-ui);color:#fff}

/* ===== Round 3: Apple-style chapters below the map ===== */
:root{--sec-a:#ffffff;--sec-b:#f5f5f7;--tile-a:#f5f5f7;--tile-b:#ffffff;--tile-dark:#1d1d1f;--tile-dark-ink:#f5f5f7;--tile-dark-2:#a1a1a6}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--sec-a:#000000;--sec-b:#0c0c0e;--tile-a:#1c1c1e;--tile-b:#1c1c1e;--tile-dark:#2c2c2e}}
:root[data-theme="dark"]{--sec-a:#000000;--sec-b:#0c0c0e;--tile-a:#1c1c1e;--tile-b:#1c1c1e;--tile-dark:#2c2c2e}
html{scroll-padding-top:calc(var(--nav-h) + 8px)}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
.topnav a[aria-current="true"]{background:var(--ink);color:var(--bg);opacity:1}
.topnav a[aria-current="true"]:hover{background:var(--ink)}

.article{position:relative;z-index:4;border-top:1px solid var(--hair)}
.ico{width:1.25em;height:1.25em;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.22em}
.chapter{background:var(--sec-a);--tile:var(--tile-a);padding-block:clamp(80px,11vw,140px)}
.chapter.alt{background:var(--sec-b);--tile:var(--tile-b)}

/* Chapter header: centred, one idea */
.ch-head{text-align:center;max-width:860px;margin:0 auto clamp(44px,6vw,76px)}
.ch-head.sub{margin-top:clamp(72px,9vw,112px);margin-bottom:clamp(32px,4vw,48px)}
.ch-eyebrow{font:600 clamp(17px,1.6vw,21px)/1.2 var(--f-display);letter-spacing:-.012em;color:var(--c,var(--accent));margin:0 0 12px}
.ch-head :is(h1,h2){font:700 clamp(40px,6.2vw,72px)/1.04 var(--f-display);letter-spacing:-.038em;margin:0 auto;max-width:17ch;text-wrap:balance}
.h-sub{font:700 clamp(32px,4.4vw,52px)/1.06 var(--f-display);letter-spacing:-.034em;margin:0 auto;text-wrap:balance}
.ch-sub{font:500 clamp(18px,1.8vw,22px)/1.45 var(--f-ui);letter-spacing:-.014em;color:var(--ink-2);max-width:40ch;margin:22px auto 0;text-wrap:pretty}

/* Tiles and bento grid */
.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}
.s4{grid-column:span 4}.s5{grid-column:span 5}.s6{grid-column:span 6}.s7{grid-column:span 7}.s12{grid-column:1/-1}
.tile{background:var(--tile);border-radius:28px;padding:clamp(24px,3vw,36px);position:relative}
.tile h3{font:700 21px/1.25 var(--f-display);letter-spacing:-.02em;margin:0 0 8px}
.tile p{font-size:17px;line-height:1.5;color:var(--ink-2);margin:0}
.tile p+p{margin-top:.8em}
.tile.dark{background:var(--tile-dark);color:var(--tile-dark-ink)}
.tile.dark p{color:var(--tile-dark-2)}
.tile-h{display:flex;align-items:center;gap:9px;font:600 15px/1.3 var(--f-ui);color:var(--ink-2);margin:0 0 18px;letter-spacing:-.005em}
.tile-h .ico{color:var(--c,var(--accent))}
.tile-h.solo{margin:8px 0 14px}
.bi{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;color:var(--c,var(--accent));background:color-mix(in srgb,var(--c,var(--accent)) 14%,transparent);flex:none}
.bi .ico{width:24px;height:24px}
.bi.lg{width:64px;height:64px;border-radius:18px}
.bi.lg .ico{width:34px;height:34px;stroke-width:1.6}
.stat .bi{margin-bottom:22px}
.stat .big{font:700 clamp(48px,6vw,68px)/1 var(--f-display);letter-spacing:-.045em;color:var(--ink);margin:0 0 18px;font-variant-numeric:tabular-nums}
.stat .big small{font-size:.42em;letter-spacing:-.02em;font-weight:600;color:var(--ink-2)}
.stat .big.xl{font-size:clamp(72px,10vw,128px)}
.tile.dark .big{color:var(--tile-dark-ink)}
.tile.dark .big small{color:var(--tile-dark-2)}
.hero-stat{grid-row:span 2;display:flex;flex-direction:column;justify-content:flex-end;min-height:420px;
  background:radial-gradient(120% 90% at 100% 0%,rgba(255,55,95,.38),transparent 60%),var(--tile-dark)}
.hero-stat .bi{position:absolute;top:clamp(24px,3vw,36px);left:clamp(24px,3vw,36px);--c:#ff375f}

/* Quick answer: 10-cause index */
.answer{margin:0 0 16px}
.answer h3{font:600 13px var(--f-ui);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);text-align:center;margin:0 0 6px}
.answer > p{text-align:center;font-size:17px;color:var(--ink-2);margin:0 0 22px}
.cindex{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.cindex a{display:flex;flex-direction:column;align-items:flex-start;gap:4px;height:100%;padding:20px 18px 18px;border-radius:22px;background:var(--tile);color:var(--ink);
  transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s}
.cindex a:hover{text-decoration:none;transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,0,0,.08)}
.cindex .bi{margin-bottom:12px}
.cindex small{font:600 13px var(--f-ui);color:var(--c);font-variant-numeric:tabular-nums}
.cindex b{font:600 16px/1.3 var(--f-ui);letter-spacing:-.012em}
.cindex em{font-style:normal;font-size:13.5px;color:var(--ink-2);margin-top:auto;padding-top:6px}

/* Tables inside the article */
.article .tablewrap{overflow-x:auto;margin:16px 0;border-radius:22px;background:var(--tile);padding:6px 10px}
.tbl-tile{margin-top:16px}
.tbl-tile .tablewrap{background:transparent;padding:0;margin:0;border-radius:0}
.article table{border-collapse:collapse;width:100%;font-size:15px;min-width:640px}
.article caption{caption-side:bottom;text-align:left;padding:14px 12px 4px;font-size:13px;color:var(--ink-2)}
.article th,.article td{text-align:left;padding:13px 12px;border-bottom:1px solid var(--hair);vertical-align:top}
.article th{font:600 12.5px var(--f-ui);letter-spacing:.03em;text-transform:uppercase;color:var(--ink-2);background:none}
.article tbody tr:last-child td{border-bottom:0}
.article td.r,.article th.r{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}

/* One cause */
.cz{padding-top:clamp(72px,9vw,120px);margin-top:clamp(72px,9vw,120px);border-top:1px solid var(--hair)}
.tbl-tile + .cz{border-top:0;margin-top:clamp(24px,4vw,48px)}
.cz-head{display:flex;align-items:center;gap:22px;margin-bottom:26px}
.cz-k{font:600 17px var(--f-ui);color:var(--c);margin:0 0 4px;letter-spacing:-.01em}
.cz-head :is(h1,h3){font:700 clamp(32px,4.4vw,52px)/1.06 var(--f-display);letter-spacing:-.036em;margin:0;text-wrap:balance}
.lede{font:500 clamp(19px,2vw,25px)/1.45 var(--f-ui);letter-spacing:-.018em;color:var(--ink);max-width:36em;margin:0 0 36px;text-wrap:pretty}
.lede strong{color:var(--c);font-weight:600}
.cz-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:16px;align-items:start}
.research{position:sticky;top:calc(var(--nav-h) + 20px)}
.dots{list-style:none;padding:0;margin:0}
.dots li{position:relative;padding:0 0 0 20px;margin:0 0 14px;font-size:16px;line-height:1.5;color:var(--ink)}
.dots li:last-child{margin-bottom:0}
.dots li::before{content:"";position:absolute;left:2px;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--c)}
.ours{padding:clamp(4px,1vw,10px) clamp(0px,1vw,8px)}
.ours > p,.prose p{font-size:17px;line-height:1.62;color:var(--ink);margin:1em 0 0;max-width:68ch}
.prose{margin-top:20px}
.minis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.minis.six{grid-template-columns:repeat(3,minmax(0,1fr))}
.mini{background:var(--tile);border-radius:22px;padding:20px 20px 18px}
.mini b{display:block;font:700 clamp(28px,3vw,36px)/1.02 var(--f-display);letter-spacing:-.035em;color:var(--ink);font-variant-numeric:tabular-nums}
.mini span{display:block;font-size:14px;line-height:1.4;color:var(--ink-2);margin-top:8px}
.mini.wide{grid-column:1/-1}
.mini.wide b{font-size:clamp(40px,5vw,56px);color:var(--c)}
.cz-foot{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:12px 20px;margin-top:28px}
.mapbtn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;background:var(--accent);color:#fff;font:600 16px var(--f-ui);min-height:44px;margin-left:auto;transition:filter .2s,transform .2s}
.mapbtn:hover{text-decoration:none;filter:brightness(1.08);transform:scale(1.02)}
.lim{flex:1 1 320px;max-width:640px}
.lim summary{display:inline-flex;align-items:center;gap:8px;cursor:pointer;list-style:none;font:600 15px var(--f-ui);color:var(--ink-2);padding:12px 18px;border-radius:999px;background:var(--tile);min-height:44px}
.lim summary::-webkit-details-marker{display:none}
.lim summary::after{content:"";width:7px;height:7px;border-right:1.8px solid currentColor;border-bottom:1.8px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);margin-left:4px;transition:transform .25s}
.lim[open] summary::after{transform:rotate(-135deg) translate(-2px,-2px)}
.lim p{font-size:15px;line-height:1.55;color:var(--ink-2);margin:12px 4px 0}
.fig{margin:24px 0 0}
.fig img{width:100%;height:auto;display:block;border-radius:24px}
.fig figcaption{font-size:14px;color:var(--ink-2);margin:12px 4px 0;text-align:center}
.fix{display:flex;gap:12px;align-items:flex-start;border-radius:20px;padding:18px 20px;margin:28px 0 0;background:color-mix(in srgb,#ff9500 12%,transparent);font-size:15px;line-height:1.5;max-width:760px}
.fix .ico{color:#ff9500;margin-top:2px}

/* Charts */
.chart-tile .chart{margin:0}
.chart-tile figcaption{font-size:14px;color:var(--ink-2);margin-top:10px}

/* Solutions: check lists */
.sol .tile .bi{margin-bottom:18px}
.checks{list-style:none;padding:0;margin:6px 0 0}
.checks li{position:relative;padding-left:30px;margin:12px 0 0;font-size:16px;line-height:1.5;color:var(--ink)}
.checks li::before{content:"";position:absolute;left:0;top:.18em;width:20px;height:20px;border-radius:50%;background:color-mix(in srgb,var(--c) 16%,transparent)}
.checks li::after{content:"";position:absolute;left:7.5px;top:calc(.18em + 4px);width:5px;height:9px;border-right:2px solid var(--c);border-bottom:2px solid var(--c);transform:rotate(45deg)}
.footnote{display:flex;gap:10px;align-items:flex-start;justify-content:center;max-width:720px;margin:32px auto 0;font-size:15px;line-height:1.5;color:var(--ink-2)}
.footnote .ico{color:var(--c,var(--accent));margin-top:2px}

/* Grouped lists (iOS Settings style) */
.group{background:var(--tile);border-radius:22px;overflow:hidden;margin:0;padding:0;list-style:none}
.list-h{font:600 13px var(--f-ui);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-2);margin:0 0 10px 20px}
.faq{max-width:860px;margin:0 auto}
.faq details{position:relative}
.faq details + details::before{content:"";position:absolute;top:0;left:24px;right:0;height:1px;background:var(--hair)}
.faq summary{cursor:pointer;list-style:none;display:block;font:600 clamp(17px,1.6vw,19px)/1.4 var(--f-ui);letter-spacing:-.015em;padding:22px 64px 22px 24px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:28px;top:50%;width:9px;height:9px;border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);transform:translateY(-70%) rotate(45deg);transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.faq details[open] summary::after{transform:translateY(-25%) rotate(-135deg)}
.faq summary:hover{background:color-mix(in srgb,var(--ink) 3%,transparent)}
.faq details > div{padding:0 64px 24px 24px;color:var(--ink-2);font-size:17px;line-height:1.6}
.faq details p{margin:0}
.rows > li,.rows > div{position:relative;padding:16px 20px;font-size:15.5px;line-height:1.5;color:var(--ink-2)}
.rows > li + li::before,.rows > div + div::before{content:"";position:absolute;top:0;left:20px;right:0;height:1px;background:var(--hair)}
.rows strong{color:var(--ink);font-weight:600}
.lims > li{padding-left:52px}
.lims > li::after{content:"!";position:absolute;left:20px;top:17px;width:20px;height:20px;border-radius:50%;background:color-mix(in srgb,#ff9500 18%,transparent);color:#ff9500;font:700 12px/20px var(--f-ui);text-align:center}
.two-lists{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:clamp(48px,6vw,72px);align-items:start}
.gloss > div{display:grid;grid-template-columns:minmax(110px,150px) minmax(0,1fr);gap:4px 16px}
.gloss dt{font-weight:600;color:var(--ink)}
.gloss dd{margin:0}

/* About */
.about-text p{font-size:19px;line-height:1.55;color:var(--ink)}
.about-text strong{font-weight:600}
.contact h3{margin-bottom:16px}
.contact .group{background:var(--sec-a);border-radius:18px}
.plain > li{display:flex;justify-content:space-between;gap:12px;padding:13px 16px;font-size:15px}
.plain > li + li::before{left:16px}
.plain span{display:inline-flex;align-items:center;gap:7px;color:var(--ink-2)}
.plain b{font-weight:600;color:var(--ink);text-align:right}
.who{font-size:14px;color:var(--ink-2);margin:14px 4px 0}

/* Sources */
.src-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.src > li{padding:14px 40px 14px 20px;font-size:15px}
.src > li > a:first-child{font-weight:500;color:var(--ink)}
.src > li > a:first-child::after{content:"";position:absolute;right:22px;top:21px;width:7px;height:7px;border-top:1.8px solid var(--ink-3);border-right:1.8px solid var(--ink-3);transform:rotate(45deg)}
.src > li > a:first-child:hover{color:var(--accent);text-decoration:none}
.src span{display:block;font-size:13px;color:var(--ink-2);margin-top:2px}

/* Footer */
.foot{background:var(--sec-a);border-top:1px solid var(--hair);padding:28px 0 44px;font-size:12.5px;line-height:1.55;color:var(--ink-2)}
.foot p{margin:6px 0 0}
.foot-nav{display:flex;flex-wrap:wrap;gap:6px 22px;padding-bottom:18px;margin-bottom:12px;border-bottom:1px solid var(--hair)}
.foot-nav a{color:var(--ink);font-size:13px}

/* Reveal on scroll (only when JS adds .rv) */
.rv{opacity:0;transform:translateY(32px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.cindex a,.mapbtn{transition:none}}
@media print{.rv{opacity:1!important;transform:none!important}.research{position:static}}

@media (max-width:1000px){.cindex{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:900px){
  .s4,.s5,.s6,.s7{grid-column:1/-1}
  .hero-stat{min-height:320px;grid-row:auto}
  .cz-grid,.two-lists,.src-cols{grid-template-columns:1fr}
  .research{position:static}
  .ours{padding:8px 0 0}
  .minis.six{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cz-head{gap:16px}
  .bi.lg{width:52px;height:52px;border-radius:15px}
  .bi.lg .ico{width:28px;height:28px}
  .faq summary{padding:18px 52px 18px 20px}
  .faq details > div{padding:0 20px 20px}
  .faq details + details::before{left:20px}
  .gloss > div{grid-template-columns:1fr}
  .tile{border-radius:24px}
}
@media (max-width:520px){
  .bento{gap:12px}
  .minis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mini{padding:16px;border-radius:18px}
  .cindex a{padding:16px 14px 14px;border-radius:18px}
  .cindex b{font-size:15px}
  .mapbtn{width:100%;justify-content:center;margin-left:0}
  .lim{flex-basis:100%;max-width:none}
}

/* ===== Round 4: map tools ===== */
.mapctl button svg{display:block}
.mapctl button[aria-expanded="true"],.mapctl button[aria-pressed="true"]{background:var(--accent-soft);color:var(--accent)}
.leaflet-container:focus-visible{outline:3px solid var(--accent);outline-offset:-3px}
.chip:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.tools-menu{position:absolute;z-index:30;top:14px;right:calc(64px + env(safe-area-inset-right,0px));min-width:250px;border-radius:16px;padding:6px;display:flex;flex-direction:column}
.tools-menu[hidden]{display:none}
.tools-menu button{display:flex;align-items:center;gap:12px;border:0;background:transparent;color:var(--ink);font:500 15px var(--f-ui);text-align:left;padding:11px 12px;border-radius:10px;cursor:pointer;min-height:44px}
.tools-menu button:hover,.tools-menu button:focus-visible{background:var(--accent-soft);outline:none}
.tools-menu button svg{color:var(--accent);flex:none}
.search-panel{position:absolute;z-index:30;top:58px;left:510px;width:min(380px,calc(100% - 590px));max-height:calc(100% - 80px);overflow:auto;border-radius:20px;padding:10px;overscroll-behavior:contain}
.search-panel[hidden]{display:none}
.sp-row{display:flex;align-items:center;gap:8px;padding:2px 4px 2px 8px;border-radius:12px;background:color-mix(in srgb,var(--ink) 6%,transparent)}
.sp-row svg{color:var(--ink-2);flex:none}
.sp-row input{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:500 16px var(--f-ui);padding:11px 0;outline:none}
.sp-row input::-webkit-search-cancel-button{display:none}
.sp-x{border:0;background:transparent;color:var(--ink-2);font-size:15px;width:36px;height:36px;border-radius:50%;cursor:pointer}
.sp-x:hover{background:var(--hair)}
.sp-loc{display:flex;align-items:center;gap:8px;margin:8px 0 2px;border:0;background:transparent;color:var(--accent);font:600 14.5px var(--f-ui);padding:8px 6px;cursor:pointer;min-height:40px}
.sp-res{list-style:none;margin:4px 0 0;padding:0}
.sp-res li{display:flex;justify-content:space-between;gap:10px;align-items:baseline;padding:10px;border-radius:10px;cursor:pointer;font-size:15px}
.sp-res li small{color:var(--ink-2);font-size:12.5px;flex:none}
.sp-res li:hover,.sp-res li[aria-selected="true"]{background:var(--accent-soft)}
.sp-res li.none{cursor:default;color:var(--ink-2)}
.sp-res li.none:hover{background:none}
.sp-note{font-size:13.5px;color:var(--ink-2);margin:8px 6px 4px;line-height:1.45}
.sr{padding:12px 8px 4px;border-top:1px solid var(--hair);margin-top:8px}
.sr dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:8px 0 0;font-size:13.5px}
.sr dt{color:var(--ink-2)}
.sr dd{margin:0;font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
.sr dd small{display:block;font-weight:400;color:var(--ink-2);font-size:11.5px}
.pop .sr{border-top:0;margin:0;padding:0}
.you-pin{display:block;width:22px;height:22px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);background:var(--accent);box-shadow:0 0 0 3px var(--bg-2),0 4px 10px rgba(0,0,0,.3)}
.readout{position:absolute;z-index:20;left:510px;bottom:34px;padding:6px 12px;border-radius:999px;font:600 13px var(--f-ui);font-variant-numeric:tabular-nums;pointer-events:none}
.readout[hidden]{display:none}
.map-busy{position:absolute;z-index:26;left:50%;top:64px;transform:translateX(-50%);padding:8px 16px;border-radius:999px;font:600 13.5px var(--f-ui)}
.map-busy[hidden]{display:none}
.toast{position:absolute;z-index:40;left:50%;bottom:24px;transform:translate(-50%,20px);max-width:min(420px,90%);padding:12px 16px;border-radius:16px;background:rgba(0,0,0,.82);color:#fff;font:500 14px/1.4 var(--f-ui);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s}
.toast.show{opacity:1;transform:translate(-50%,0);pointer-events:auto}
.toast-in{display:block;width:100%;margin-top:8px;border:0;border-radius:8px;padding:8px;font:13px var(--f-mono)}
.hover-tip{background:var(--glass-strong);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid var(--glass-edge);border-radius:10px;padding:5px 10px;font:600 12.5px var(--f-ui);color:var(--ink);box-shadow:var(--shadow);white-space:nowrap}
.hover-tip::before{display:none}
.wind-canvas{pointer-events:none}
/* legend filters */
.legend .lg-f{display:flex;align-items:center;gap:8px;width:calc(100% + 8px);border:0;background:transparent;color:var(--ink);font:inherit;text-align:left;padding:3px 4px;margin:1px -4px;border-radius:6px;cursor:pointer}
.legend .lg-f:hover{background:var(--accent-soft)}
.legend .lg-f.off{opacity:.38;text-decoration:line-through}
.legend .lg-hint{font-size:10.5px;color:var(--ink-3);margin-top:3px}
/* monitor popup chart */
.spark{display:block;width:100%;height:auto;margin:2px 0 4px}
.spark-k{display:flex;gap:12px;font-size:10.5px;color:var(--ink-2);margin:0 0 8px}
.spark-k span{display:inline-flex;align-items:center;gap:5px}
.spark-k i{display:inline-block;width:12px;height:3px;border-radius:2px}
.spark-k i.dash{height:0;border-top:2px dashed;background:none}
/* colour strength row */
.sw.op input[type=range]{appearance:auto;-webkit-appearance:auto;width:120px;height:auto;background:none;accent-color:var(--accent);border-radius:0}
.sw.op input[type=range]::after{display:none}
/* replay */
.rp-days{display:flex;justify-content:space-between;margin:2px 0 0 48px;font:600 11px var(--f-ui);color:var(--ink-2)}
.rp-days span{width:18px;text-align:center;border-radius:6px}
.rp-days .dw{color:#fff;background:var(--severe)}
.rp-days .cdw{color:var(--severe)}
.rp-ctl{display:flex;justify-content:flex-end;margin-top:10px}
.seg{display:inline-flex;padding:3px;border-radius:12px;background:color-mix(in srgb,var(--ink) 7%,transparent)}
.seg button{border:0;background:transparent;color:var(--ink);font:600 13px var(--f-ui);padding:6px 12px;border-radius:9px;cursor:pointer;min-width:44px;min-height:32px}
.seg button[aria-pressed="true"]{background:var(--bg-2);box-shadow:0 1px 3px rgba(0,0,0,.15)}
.rp-jumps{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:10px;font-size:13px;color:var(--ink-2)}
.rp-jumps button{border:1px solid var(--hair);background:transparent;color:var(--accent);font:600 13px var(--f-ui);padding:6px 12px;border-radius:999px;cursor:pointer;min-height:36px}
.rp-jumps button:hover{background:var(--accent-soft)}
/* data dialog */
.dlg{border:0;border-radius:24px;padding:0;width:min(980px,94vw);max-height:86vh;background:var(--bg-2);color:var(--ink);box-shadow:0 30px 80px rgba(0,0,0,.35)}
.dlg::backdrop{background:rgba(0,0,0,.45);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.dlg[open]{display:flex;flex-direction:column}
.dlg-h{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 22px 4px}
.dlg-h h3{margin:0;font:700 21px var(--f-display);letter-spacing:-.02em}
.dlg-x{border:0;background:var(--hair);color:var(--ink);width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:15px}
.dlg-n{margin:4px 22px 10px;font-size:13.5px;color:var(--ink-2)}
.dlg-b{overflow:auto;margin:0 12px;border-radius:14px;border:1px solid var(--hair);flex:1;min-height:120px}
.dlg-b table{border-collapse:collapse;width:100%;font-size:13px}
.dlg-b th{position:sticky;top:0;background:var(--bg);text-align:left;font:600 12px var(--f-ui);color:var(--ink-2);padding:10px;border-bottom:1px solid var(--hair);white-space:nowrap}
.dlg-b td{padding:8px 10px;border-bottom:1px solid var(--hair);white-space:nowrap;font-variant-numeric:tabular-nums}
.dlg-f{display:flex;justify-content:flex-end;padding:14px 22px 18px}
@media (max-width:900px){
  .search-panel{left:10px;right:58px;width:auto;top:54px;max-height:calc(100% - 64px)}
  .tools-menu{right:56px;top:10px}
  .readout{display:none}
}
@media (min-width:901px){.map-full .search-panel{left:12px;width:380px}.map-full .readout{left:12px}}
@media (max-width:900px){
  .legend .lg-body{max-height:92px;overflow:auto}
  .legend .lg-hint{display:none}
  .legend .lg-f{padding:2px 4px}
}

/* ===== Round 5: GIS map — basemaps, layers panel, identify, measure ===== */
.raster-grid canvas{image-rendering:pixelated}
.r-smooth .raster-grid canvas{image-rendering:auto}
#map[data-base="sat"] .city{color:#fff}
@media (min-width:901px){.legend{width:272px}}
.legend .lg-item+.lg-item{border-top:1px solid var(--hair);margin-top:10px;padding-top:10px}
.legend .lyr-row{display:flex;align-items:center;gap:8px;font:600 12.5px var(--f-ui);color:var(--ink);cursor:pointer;margin:0}
.legend .lyr-row input{accent-color:var(--accent);width:15px;height:15px;margin:0;flex:none;cursor:pointer}
.legend .lyr.is-off .lyr-row{color:var(--ink-2);font-weight:500}
.legend .lyr-lg{padding:6px 0 0 23px}
.legend .lyr-lg h4{font:500 11.5px var(--f-ui);color:var(--ink-2);margin:0 0 5px}
.legend .lyr-op{display:flex;align-items:center;gap:8px;padding:6px 0 0 23px;font-size:11px;color:var(--ink-2)}
.legend .lyr-op input{flex:1;min-width:0;accent-color:var(--accent)}
.bm-seg{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;padding:2px;border-radius:10px;background:color-mix(in srgb,var(--ink) 7%,transparent)}
.bm-seg button{border:0;background:transparent;color:var(--ink);font:600 11px var(--f-ui);padding:6px 2px;border-radius:8px;cursor:pointer;min-height:30px}
.bm-seg button[aria-pressed="true"]{background:var(--bg-2);box-shadow:0 1px 3px rgba(0,0,0,.18)}
.rs-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:8px;font-size:11.5px;color:var(--ink-2)}
.seg.mini{padding:2px;border-radius:9px}
.seg.mini button{font-size:11px;padding:3px 9px;min-width:0;min-height:26px;border-radius:7px}
.id-rep{display:block;margin-top:8px;border:0;background:var(--accent-soft);color:var(--accent);font:600 12.5px var(--f-ui);padding:8px 10px;border-radius:9px;cursor:pointer;width:100%;text-align:center}
.measure-bar{position:absolute;z-index:30;left:50%;top:60px;transform:translateX(-50%);display:flex;align-items:center;gap:8px;padding:6px 6px 6px 14px;border-radius:999px;font:600 13.5px var(--f-ui);white-space:nowrap;font-variant-numeric:tabular-nums}
.measure-bar[hidden]{display:none}
.measure-bar button{border:0;background:var(--hair);color:var(--ink);font:600 12.5px var(--f-ui);padding:6px 12px;border-radius:999px;cursor:pointer;min-height:32px}
.measure-bar button:disabled{opacity:.4;cursor:default}
.measure-bar #mdone{background:var(--accent);color:#fff}
.leaflet-container.measuring,.leaflet-container.measuring.leaflet-grab,.leaflet-container.measuring .leaflet-interactive{cursor:crosshair}
@media (min-width:901px){.measure-bar{left:calc(50% + 250px)}.map-full .measure-bar{left:50%}}
@media (max-width:900px){
  .legend .lg-body{max-height:104px}
  .legend .lg-item+.lg-item{border-top:0;margin-top:0;padding-top:0}
  .legend .lg-item.lg-bm{min-width:232px}
  .legend .lyr-lg,.legend .lyr-op{padding-left:0}
  .measure-bar{top:auto;bottom:150px;font-size:12.5px}
}

/* ===== Research report pages: sources, charts, photos ===== */
:root{--series-1:#2a78d6;--series-2:#eb6834}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--series-1:#3987e5;--series-2:#d95926}}
:root[data-theme="dark"]{--series-1:#3987e5;--series-2:#d95926}
.wrap.narrow{max-width:820px}
.report .ch-head{text-align:left}
.report .ch-head :is(h1,h2){margin:0;max-width:none;font-size:clamp(34px,5vw,56px)}
.report .ch-sub{margin-left:0}
.report-meta{font:500 13.5px var(--f-ui);color:var(--ink-2);margin:14px 0 0}
.report p,.report li{font-size:17px;line-height:1.65}
.report h2.rh{font:700 clamp(26px,3.2vw,34px)/1.15 var(--f-display);letter-spacing:-.025em;margin:64px 0 16px;scroll-margin-top:calc(var(--nav-h,52px) + 16px)}
.report h3{font:700 22px/1.25 var(--f-display);letter-spacing:-.015em}
sup.ref{font:600 11px var(--f-ui);margin-left:2px;white-space:nowrap}
:root{--ref-ink:#0062c4}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--ref-ink:var(--accent)}}
:root[data-theme="dark"]{--ref-ink:var(--accent)}
sup.ref a{color:var(--ref-ink);text-decoration:none;padding:0 1px}
sup.ref a:hover{text-decoration:underline}
.keybox{background:var(--tile);border-radius:24px;padding:24px 28px;margin:28px 0}
.keybox h3{margin:0 0 10px}
.keybox ol{margin:0;padding-left:22px}.keybox li{margin:8px 0}
.toc{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;margin:8px 0 12px;font:500 14px var(--f-ui)}
.toc b{width:100%;font-weight:600;color:var(--ink-2);font-size:12.5px;text-transform:uppercase;letter-spacing:.05em}
.toc a{background:var(--tile);border-radius:999px;padding:6px 12px;color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--accent)}
.callout,.rec{border-left:3px solid var(--c,var(--accent));background:color-mix(in srgb,var(--c,var(--accent)) 8%,transparent);border-radius:0 14px 14px 0;padding:14px 18px;margin:18px 0}
.note{font-size:14.5px!important;color:var(--ink-2)}
.sol{margin:36px 0;padding-top:28px;border-top:1px solid var(--hair)}
.sol h3{display:flex;align-items:baseline;gap:12px;margin:0 0 12px}
.sol h3 a{color:var(--ink);text-decoration:none}.sol h3 a:hover{color:var(--accent)}
.sol .n{font:700 14px var(--f-ui);color:var(--c);letter-spacing:.04em}
.v{display:inline-block;font:600 12px/1 var(--f-ui);padding:5px 9px;border-radius:999px;white-space:nowrap}
.v-good{background:color-mix(in srgb,var(--good) 18%,transparent);color:color-mix(in srgb,var(--good) 70%,var(--ink))}
.v-mid{background:color-mix(in srgb,var(--mod) 22%,transparent);color:color-mix(in srgb,var(--mod) 55%,var(--ink))}
.v-bad{background:color-mix(in srgb,var(--severe) 16%,transparent);color:color-mix(in srgb,var(--severe) 70%,var(--ink))}
table.score td:first-child{font-weight:600;min-width:170px}
table.score td:last-child{white-space:nowrap}
.report .tablewrap td,.report .tablewrap th{font-size:14.5px;line-height:1.5}
.photo{margin:28px 0}
.photo img{display:block;width:100%;height:auto;border-radius:20px;background:var(--tile)}
.photo figcaption{font-size:14px;line-height:1.5;color:var(--ink-2);margin-top:10px}
.photo .credit{display:block;font-size:12.5px;color:var(--ink-3);margin-top:3px}
.photo .credit a{color:inherit}
.viz{background:var(--tile);border-radius:22px;padding:20px 22px 16px;margin:26px 0}
.viz-h{font:600 15.5px/1.35 var(--f-ui);color:var(--ink);margin-bottom:10px}
.viz svg{display:block;width:100%;height:auto;overflow:visible}
.viz svg text{font:12.5px var(--f-ui);fill:var(--ink-2)}
.viz svg .t1{fill:var(--ink)}.viz svg .t2{fill:var(--ink-2)}.viz svg .b{font-weight:600;font-variant-numeric:tabular-nums}
.viz svg .g{stroke:var(--hair);stroke-width:1}
.viz svg .tgt{stroke:var(--ink-2);stroke-width:1.5;stroke-dasharray:4 3}
.viz svg .m1{fill:var(--series-1)}.viz svg .m2{fill:var(--series-2)}
.viz svg .hit:hover path{opacity:.82}
.viz figcaption{font-size:14px;line-height:1.5;color:var(--ink-2);margin-top:10px}
.viz-src{display:block;font-size:12.5px;color:var(--ink-3);margin-top:3px}
.viz-table{margin-top:8px;font-size:13px}
.viz-table summary{cursor:pointer;color:var(--accent);font:600 13px var(--f-ui)}
.viz-table table{border-collapse:collapse;margin-top:8px;min-width:0}
.viz-table th,.viz-table td{padding:5px 14px 5px 0;border-bottom:1px solid var(--hair);text-align:left}
ol.refs{padding-left:26px;margin:12px 0 0}
ol.refs li{font-size:14.5px;line-height:1.5;margin:8px 0;scroll-margin-top:calc(var(--nav-h,52px) + 16px)}
ol.refs li span{color:var(--ink-2)}
ol.refs li:target{background:var(--accent-soft);border-radius:8px}
@media (max-width:700px){.report p,.report li{font-size:16px}.keybox{padding:20px}.viz{padding:16px 14px 12px}.viz svg text{font-size:13px}}
/* HTML charts (text stays readable on phones) */
.viz .m1{background:var(--series-1)}.viz .m2{background:var(--series-2)}
.hb{display:grid;gap:10px;font:13.5px var(--f-ui);color:var(--ink)}
.hb-row{display:grid;grid-template-columns:minmax(110px,30%) 1fr;align-items:center;gap:12px}
.hb-l{text-align:right;color:var(--ink)}
.hb-t{position:relative;display:flex;align-items:center;gap:8px;min-height:22px}
.hb-t>i{display:block;height:20px;border-radius:0 4px 4px 0;flex:none;max-width:calc(100% - 52px)}
.hb-t>b{font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.hb-tgt{position:absolute;top:-6px;bottom:-6px;border-left:1.5px dashed var(--ink-2)}
.hb-key{margin-top:-4px}.hb-key .hb-t{min-height:16px}
.hb-tgt-l{position:absolute;transform:translateX(-50%);font:12.5px var(--f-ui);font-style:normal;color:var(--ink-2);white-space:nowrap}
.hb-row:hover>.hb-t>i,.vb-col:hover i,.st-bar i:hover{opacity:.82}
.vb-plot{position:relative;height:200px;margin:22px 0 0 44px}
.vb-tick{position:absolute;left:0;right:0;border-top:1px solid var(--hair)}
.vb-tick em{position:absolute;right:calc(100% + 8px);top:-8px;font:12px var(--f-ui);font-style:normal;color:var(--ink-2);font-variant-numeric:tabular-nums}
.vb-cols{position:absolute;inset:0;display:flex}
.vb-col{flex:1;display:flex;flex-direction:column;align-items:center;min-width:0}
.vb-bar{flex:1;width:100%;display:flex;align-items:flex-end;justify-content:center}
.vb-bar i{position:relative;display:block;width:min(28px,60%);border-radius:4px 4px 0 0}
.vb-bar b{position:absolute;bottom:calc(100% + 4px);left:50%;transform:translateX(-50%);font:600 12.5px var(--f-ui);color:var(--ink);white-space:nowrap;font-variant-numeric:tabular-nums}
.vb-x{font:12.5px var(--f-ui);color:var(--ink-2);margin-top:6px;white-space:nowrap}
.vb{padding-bottom:4px}.vb-narrow{max-width:360px}
.st-bar{display:flex;gap:2px;height:26px}
.st-bar i{display:block}.st-bar i:first-child{border-radius:4px 0 0 4px}.st-bar i:last-child{border-radius:0 4px 4px 0}
.st-key{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:10px;font:13.5px var(--f-ui);color:var(--ink)}
.st-key span{display:inline-flex;align-items:center;gap:7px}.st-key span i{width:12px;height:12px;border-radius:3px}
@media (max-width:520px){.hb-row{grid-template-columns:1fr;gap:4px}.hb-l{text-align:left;font-size:13px;color:var(--ink-2)}.hb-key .hb-l{display:none}.vb-x{font-size:11.5px}.vb-bar b{font-size:11.5px}}
.vb-ref{position:absolute;left:0;right:0;border-top:1.5px dashed var(--ink-2);z-index:1;pointer-events:none}
.vb-ref em{position:absolute;right:0;bottom:3px;font:12px var(--f-ui);font-style:normal;color:var(--ink-2);background:var(--tile);padding:0 4px}

.keybox ul{margin:0;padding-left:20px}.keybox ul li{margin:8px 0}
.report .dots li{margin:10px 0}

.aqi-table .pill{display:inline-block;padding:4px 10px;border-radius:99px;color:#fff;font:600 12.5px var(--f-ui);white-space:nowrap}
.aqi-table .pill.dk{color:#1d1d1f}
.aqi-table td{min-width:120px}

.all-refs{margin-top:40px}.all-refs .list-h{margin:32px 0 8px}

/* ===== Report layout: sticky "On this page" sidebar on wide screens ===== */
.report-grid{max-width:1240px}
.rmain{min-width:0}
.rtoc{display:none}
@media (min-width:1100px){
  .report-grid{display:grid;grid-template-columns:220px minmax(0,1fr);gap:56px;align-items:start}
  .rtoc{display:block;position:sticky;top:calc(var(--nav-h,52px) + 28px);max-height:calc(100vh - var(--nav-h,52px) - 56px);overflow:auto;padding:4px 0 12px;overscroll-behavior:contain}
  .rtoc b{display:block;font:600 12px var(--f-ui);text-transform:uppercase;letter-spacing:.06em;color:var(--ink-2);margin:0 0 10px 12px}
  .rtoc nav{display:flex;flex-direction:column;border-left:1px solid var(--hair)}
  .rtoc a{display:block;padding:7px 12px;margin-left:-1px;border-left:2px solid transparent;color:var(--ink-2);font:500 14px/1.35 var(--f-ui);text-decoration:none}
  .rtoc a:hover{color:var(--ink)}
  .rtoc a.on{color:var(--ink);font-weight:600;border-left-color:var(--c,var(--accent))}
  .report-grid .toc{display:none}
  .report-grid .ch-head .ch-sub{max-width:none}
}

/* ===== Fluid width: content follows the screen, only a small gutter at the sides ===== */
:root{--gutter:clamp(16px,4vw,140px)}
.wrap{max-width:none;padding-left:max(var(--gutter),env(safe-area-inset-left,0px));padding-right:max(var(--gutter),env(safe-area-inset-right,0px))}
.wrap.narrow,.report-grid,.report-grid.wrap{max-width:none}
.report p,.report li{font-size:clamp(16px,0.3vw + 12.5px,21px)}
@media (min-width:1100px){
  .report-grid{grid-template-columns:clamp(200px,15vw,340px) minmax(0,1fr);gap:clamp(32px,4vw,80px)}
}

.src-intro{max-width:none;font-size:16px;line-height:1.6;color:var(--ink-2);margin:0 0 8px}

/* ===== UGAC footer (matches ugaconsult.com) ===== */
.ugac-foot{--uf-bg:#fff;--uf-ink:#0b2432;--uf-text:#526570;--uf-line:#d6dfdd;--uf-teal:#17625b;
  background:var(--uf-bg);color:var(--uf-text);font:400 14px/1.6 "UGAC Sans",system-ui,sans-serif;padding-top:60px;border-top:1px solid var(--uf-line);position:relative;z-index:4}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .ugac-foot{--uf-bg:#06141e;--uf-ink:#e8f0f2;--uf-text:#a9bac2;--uf-line:#1f3442;--uf-teal:#6ed0b8}}
:root[data-theme="dark"] .ugac-foot{--uf-bg:#06141e;--uf-ink:#e8f0f2;--uf-text:#a9bac2;--uf-line:#1f3442;--uf-teal:#6ed0b8}
.uf-grid{display:grid;grid-template-columns:1.25fr .8fr 1fr 1.15fr;gap:40px}
.ugac-foot h3{font:600 15px "UGAC Heading","UGAC Sans",system-ui,sans-serif;letter-spacing:0;margin:8px 0 20px;color:var(--uf-ink)}
.ugac-foot .uf-h-data{margin-top:28px}
.ugac-foot p{margin:0 0 15px}
.ugac-foot a{display:block;margin-bottom:10px;color:var(--uf-ink);text-decoration:none;line-height:1.6}
.ugac-foot a:hover{color:var(--uf-teal);text-decoration:underline;text-underline-offset:4px}
.ugac-foot a.uf-inline{display:inline;margin:0;color:var(--uf-teal);text-decoration:underline;text-underline-offset:2px}
.uf-logo{display:inline-flex!important;margin-bottom:8px!important}
.uf-logo img{width:210px;height:auto;object-fit:contain;object-position:left center}
.uf-logo-light{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .uf-logo-dark{display:none}:root:not([data-theme="light"]) .uf-logo-light{display:block}}
:root[data-theme="dark"] .uf-logo-dark{display:none}:root[data-theme="dark"] .uf-logo-light{display:block}
.uf-tagline{font-size:16px;line-height:1.5;color:var(--uf-teal);max-width:290px}
.uf-mono{font-size:14px}
.uf-credits{font-size:12.5px;line-height:1.55}
.uf-social{margin-top:26px}
.uf-social-title{margin:0 0 13px!important;font-size:13px;font-weight:600;line-height:1.5}
.uf-social>div{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.uf-social a{display:inline-flex!important;align-items:center;justify-content:center;flex:0 0 44px;width:44px;height:44px;margin:0!important;border-radius:50%;color:#fff!important;box-shadow:0 2px 5px rgba(6,20,30,.07);transition:transform .15s,box-shadow .15s}
.uf-social a:hover{transform:translateY(-2px);box-shadow:0 4px 9px rgba(6,20,30,.145);text-decoration:none}
.uf-social svg{width:22px;height:22px}
.fs-linkedin{background:#0a66c2}.fs-instagram{background:radial-gradient(circle at 30% 105%,#feda75 0%,#fa7e1e 25%,#d62976 55%,#962fbf 80%,#4f5bd5 100%)}
.fs-facebook{background:#0866ff}.fs-x{background:#000}.fs-website{background:#17625b}
.uf-bottom{border-top:1px solid var(--uf-line);padding:25px 0;margin-top:40px;display:flex;gap:25px;justify-content:space-between;font-size:12px}
.uf-bottom>div{display:flex;gap:22px}.uf-bottom a{margin:0}
@media (max-width:900px){.uf-grid{grid-template-columns:1fr 1fr;gap:35px}.uf-bottom{flex-direction:column}.ugac-foot a{min-height:44px;padding-block:8px;margin-bottom:0}.uf-social a{min-height:44px;padding:0}}
@media (max-width:680px){.uf-grid{gap:30px 20px}.uf-grid>div:first-child,.uf-grid>div:last-child{grid-column:1/-1}.uf-bottom{margin-top:20px}.uf-bottom>div{flex-wrap:wrap}}
@media (prefers-reduced-motion:reduce){.uf-social a{transition:none}.uf-social a:hover{transform:none}}

/* UGAC brand fonts (same files as ugaconsult.com), used in the footer */
@font-face{font-family:"UGAC Sans";font-style:normal;font-weight:400;font-display:swap;src:url("data/brand/fonts/ugac-sans-400-latin.woff2") format("woff2");unicode-range:U+20-FF,U+2000-206F,U+20AC,U+2191,U+2193,U+2212,U+2215,U+FFFD}
@font-face{font-family:"UGAC Sans";font-style:normal;font-weight:600;font-display:swap;src:url("data/brand/fonts/ugac-sans-600-latin.woff2") format("woff2");unicode-range:U+20-FF,U+2000-206F,U+20AC,U+2191,U+2193,U+2212,U+2215,U+FFFD}
@font-face{font-family:"UGAC Heading";font-style:normal;font-weight:600;font-display:swap;src:url("data/brand/fonts/ugac-heading-600-latin.woff2") format("woff2");unicode-range:U+20-FF,U+2000-206F,U+20AC,U+2191,U+2193,U+2212,U+2215,U+FFFD}
.ugac-foot p{font-size:14px}.ugac-foot .uf-tagline{font-size:16px}

.brand-icon{width:28px;height:28px;display:block;flex:none;border-radius:7px}
/* UGAC "UG" mark in the top bar (dark mark on light, white mark on dark) */
.topbar .brand{gap:10px}
.brand-mark{height:26px;width:auto;display:block;flex:none}
.bm-light{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .bm-dark{display:none}:root:not([data-theme="light"]) .bm-light{display:block}}
:root[data-theme="dark"] .bm-dark{display:none}:root[data-theme="dark"] .bm-light{display:block}

/* ===== Top bar in UGAC fonts, colourful Atlas name ===== */
.topbar .brand span{font:600 18px/1.1 "UGAC Heading","UGAC Sans",system-ui,sans-serif;letter-spacing:-.01em;
  background:linear-gradient(90deg,#17625b 0%,#1f8a7a 28%,#e8941f 62%,#d93a3a 100%);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .topbar .brand span{background-image:linear-gradient(90deg,#6ed0b8 0%,#8fe3cf 28%,#f2a33a 62%,#ff6b6b 100%)}}
:root[data-theme="dark"] .topbar .brand span{background-image:linear-gradient(90deg,#6ed0b8 0%,#8fe3cf 28%,#f2a33a 62%,#ff6b6b 100%)}
.topnav a{font-family:"UGAC Sans",system-ui,sans-serif;font-weight:400;letter-spacing:0}
.topnav a[aria-current="true"],.topnav a[aria-current="page"]{font-weight:600}
@media (forced-colors:active){.topbar .brand span{-webkit-text-fill-color:CanvasText;color:CanvasText;background:none}}
/* Speed: nothing over the live map uses a backdrop blur. With the wind moving, every blurred card,
   chip and panel had to be re-blurred on every frame (34 of them), which made scrolling stutter.
   Near-solid backgrounds keep the same look and text contrast.
   :where() keeps these as weak as .glass itself, so states such as the selected chip keep their own colours. */
:where(.map-sticky,.steps) .glass{-webkit-backdrop-filter:none;backdrop-filter:none}
:where(.map-sticky) .glass{background:var(--glass-strong)}
:where(.map-sticky) .chip{background:color-mix(in srgb,var(--bg-2) 90%,transparent)}
@media (min-width:901px){:where(.steps) .step{background:color-mix(in srgb,var(--bg-2) 93%,transparent)}}

/* ===== Multi-page site ===== */
html,body{margin:0}img{max-width:100%}[hidden]{display:none!important}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.topnav a[aria-current="page"]{color:var(--ink);font-weight:600}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font:500 13.5px var(--f-ui);color:var(--ink-2);margin:0 0 28px}
.crumbs a{color:var(--ink-2)}.crumbs a:hover{color:var(--accent)}.crumbs span[aria-hidden]{opacity:.5}
.cause-page{padding-top:clamp(36px,6vw,64px)}
.cause-page .cz{margin-top:0}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:40px}
.pager a{display:block;background:var(--tile);border-radius:20px;padding:18px 20px;color:var(--ink);text-decoration:none;transition:transform .2s}
.pager a:hover{transform:translateY(-2px)}
.pager small{display:block;font:600 12px var(--f-ui);color:var(--ink-2);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}
.pager b{font:700 17px var(--f-display);letter-spacing:-.01em}
.pager .next{text-align:right;grid-column:2}
.link-tile{display:block;color:inherit;text-decoration:none;transition:transform .2s,box-shadow .2s}
.link-tile:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.link-tile h3{margin:14px 0 6px;font:700 22px var(--f-display);letter-spacing:-.02em}
.link-tile p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.5}
.link-tile .go{display:inline-block;margin-top:14px;color:var(--accent);font:600 14.5px var(--f-ui)}
.s8{grid-column:span 8}
@media (max-width:900px){.s8{grid-column:1/-1}}
.page-cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:36px}
.map-page .foot{position:relative;z-index:4}
@media (max-width:700px){.pager{grid-template-columns:1fr}.pager .next{grid-column:1}}