/* Quiet Editorial tokens */
:root{
  --bg:#FAF9F5; --surface:#F0EEE6; --raised:#FFFFFF;
  --ink:#141413; --ink-2:#3D3D3A; --muted:#6E6C64; --line:#E3DFD3;
  --clay:#C15F3C; --clay-ink:#A94F2F; --clay-soft:#F4E2D8;
  --sea:#44697A; --sea-soft:#DDE7EA;
  --serif:"Newsreader","Iowan Old Style","Palatino Linotype",Georgia,serif;
  --sans:"Instrument Sans","Helvetica Neue",Arial,system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --wrap:1180px;
  /* Sequential ramp for the hottest day, light to dark */
  --t1:#EBCDB4; --t2:#E1AE8C; --t3:#D48F68; --t4:#C4704A; --t5:#A95433; --t6:#853E24; --t7:#5E2A17;
  --land:#EDEAE0; --land-line:#D9D4C6; --ocean:#FAF9F5;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#1C1B19; --surface:#252420; --raised:#2B2A26;
    --ink:#F0EEE6; --ink-2:#D3D0C6; --muted:#A19E94; --line:#3A3833;
    --clay:#E08A67; --clay-ink:#E9A083; --clay-soft:#3A2A22;
    --sea:#93B4C2; --sea-soft:#233036;
    --t1:#5C3627; --t2:#7C4531; --t3:#9E573C; --t4:#C06D4A; --t5:#DA8A66; --t6:#EBA988; --t7:#F6CCB5;
    --land:#2A2925; --land-line:#3A3833; --ocean:#1C1B19;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#1C1B19; --surface:#252420; --raised:#2B2A26;
  --ink:#F0EEE6; --ink-2:#D3D0C6; --muted:#A19E94; --line:#3A3833;
  --clay:#E08A67; --clay-ink:#E9A083; --clay-soft:#3A2A22;
  --sea:#93B4C2; --sea-soft:#233036;
  --t1:#5C3627; --t2:#7C4531; --t3:#9E573C; --t4:#C06D4A; --t5:#DA8A66; --t6:#EBA988; --t7:#F6CCB5;
  --land:#2A2925; --land-line:#3A3833; --ocean:#1C1B19;
}

/* Base */
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.01em;text-wrap:balance;margin:0}
p{margin:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px;border-radius:4px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(16px,4vw,40px)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
h1 em,h2 em{font-style:italic;color:var(--clay)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* Buttons and chips */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:999px;font:500 15px/1 var(--sans);text-decoration:none;border:1px solid var(--ink);color:var(--ink);background:transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn:hover{background:var(--surface)}
.btn.primary{background:var(--ink);color:var(--bg)}
.btn.primary:hover{background:var(--clay);border-color:var(--clay)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font:500 13px/1 var(--sans);padding:8px 13px;border-radius:999px;border:1px solid var(--line);background:var(--raised);color:var(--ink-2);cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.chip:hover{border-color:var(--muted)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.chip .v{font-family:var(--mono);font-size:12px;opacity:.75;margin-left:4px}

/* Status */
.status{font-family:var(--mono);font-size:11px;letter-spacing:.05em;text-transform:uppercase;padding:2px 8px;border-radius:4px;white-space:nowrap}
.status.done{background:var(--sea-soft);color:var(--sea)}
.status.active{background:var(--clay-soft);color:var(--clay-ink)}
.status.planned{color:var(--muted);border:1px dashed var(--muted)}

/* Sections */
section.block{padding-block:clamp(64px,9vw,104px)}
section.alt{background:var(--surface)}
.sec-head{display:grid;grid-template-columns:1fr 1.4fr;gap:20px 64px;align-items:end;margin-bottom:44px}
.sec-head h2{font-size:clamp(32px,4.2vw,50px);line-height:1.08;margin-top:12px}
.sec-head p{color:var(--ink-2);max-width:58ch}
@media (max-width:880px){.sec-head{grid-template-columns:1fr}}

/* Nav */
.nav{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px}
.brand{font-family:var(--serif);font-size:21px;text-decoration:none;white-space:nowrap}
.nav ul{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav ul a{display:block;padding:6px 12px;border-radius:999px;text-decoration:none;font-size:14px;color:var(--ink-2)}
.nav ul a:hover{background:var(--surface);color:var(--ink)}
.nav ul a.nav-pill{padding:7px 14px;color:var(--bg);margin-left:6px}
.nav ul a.nav-pill:hover{color:var(--bg)}
@media (max-width:760px){.nav ul li:not(:last-child){display:none}}

/* Hero */
.hero{padding-block:clamp(36px,6vw,72px) clamp(28px,4vw,44px)}
.hero-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:24px 64px;align-items:end}
.hero h1{font-size:clamp(38px,5.6vw,68px);line-height:1.03;font-weight:350;margin-top:16px;max-width:15ch}
.hero .lede{font-size:clamp(17px,1.5vw,19px);color:var(--ink-2);max-width:48ch}
.facts{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:18px;font-size:14px;color:var(--muted)}
@media (max-width:880px){.hero-grid{grid-template-columns:1fr}}

/* App: map, then the city */
.app{position:relative;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.map-card{position:relative;background:var(--ocean);overflow:hidden;height:clamp(460px,47vw,700px)}
.world{position:absolute;inset:0}
.world svg{display:block;width:100%;height:100%;cursor:grab;touch-action:none}
.world svg:active{cursor:grabbing}
.world .sphere{fill:var(--ocean);stroke:var(--line);stroke-width:1}
.world .land{fill:var(--land)}
.world .borders{fill:none;stroke:var(--land-line);stroke-width:.6;stroke-linejoin:round}
.world .city{stroke:var(--bg)}
.world .sel{fill:none;stroke:var(--ink);pointer-events:none}
.peek{position:absolute;right:16px;top:16px;width:min(320px,calc(100% - 32px));background:var(--raised);border:1px solid var(--line);border-radius:16px;padding:16px 18px;z-index:4}
.peek:empty{display:none}
.peek h3{font-size:24px;line-height:1.1;margin-top:4px}
.peek .pk-row{display:flex;justify-content:space-between;gap:12px;margin-top:10px;font-size:14px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:8px}
.peek .pk-row b{font-weight:500;color:var(--ink);font-variant-numeric:tabular-nums;white-space:nowrap}
.peek .btn{margin-top:14px;width:100%;justify-content:center;padding:10px 16px;font-size:14px}
.city{padding-block:clamp(40px,6vw,72px)}
.city-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);grid-template-areas:"a r" "b r";grid-template-rows:auto 1fr;gap:0 56px;align-items:start}
.city-a{grid-area:a}.city-b{grid-area:b}
.city-right{grid-area:r;position:sticky;top:76px}
@media (max-width:980px){
  .city-grid{grid-template-columns:1fr;grid-template-areas:"a" "r" "b"}
  .city-right{position:static}
}


/* Search */
.search{position:absolute;top:16px;left:16px;right:16px;max-width:380px;z-index:5}
.search input{width:100%;font:400 15px/1.2 var(--sans);padding:12px 16px;border-radius:12px;border:1px solid var(--line);background:var(--raised);color:var(--ink);box-shadow:0 1px 2px rgba(20,20,19,.06)}
.search input:focus{outline:2px solid var(--clay);outline-offset:1px}
.q-list{list-style:none;margin:6px 0 0;padding:6px;border:1px solid var(--line);border-radius:12px;background:var(--raised);max-height:320px;overflow:auto}
.q-list li{display:flex;justify-content:space-between;gap:12px;padding:8px 10px;border-radius:8px;cursor:pointer;font-size:14px}
.q-list li[aria-selected="true"],.q-list li:hover{background:var(--surface)}
.q-list .c{color:var(--muted);font-size:13px}
.q-list .t{font-family:var(--mono);font-size:12px;color:var(--ink-2)}
.q-list li.any{border-top:1px solid var(--line);margin-top:4px;padding-top:10px;color:var(--ink-2)}

/* Legend, zoom, tooltip */
.legend{position:absolute;left:16px;bottom:16px;background:color-mix(in srgb,var(--bg) 90%,transparent);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.legend-title{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--muted);margin-bottom:6px}
.legend-row{display:flex;gap:2px}
.legend-row span{display:flex;flex-direction:column;align-items:flex-start;font-family:var(--mono);font-size:10.5px;color:var(--ink-2)}
.legend-row i{display:block;width:30px;height:8px;border-radius:2px;margin-bottom:4px}
.zoom{position:absolute;right:16px;bottom:16px;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--raised)}
.zoom button{width:38px;height:38px;border:0;background:transparent;color:var(--ink);font:400 20px/1 var(--sans);cursor:pointer}
.zoom button+button{border-top:1px solid var(--line)}
.zoom button:hover{background:var(--surface)}
.tip{position:absolute;pointer-events:none;z-index:6;background:var(--ink);color:var(--bg);padding:6px 10px;border-radius:8px;font-size:13px;white-space:nowrap;transform:translate(-50%,calc(-100% - 12px))}
.tip b{font-weight:500}
.tip .mono{font-size:12px;opacity:.85;margin-left:6px}
@media (max-width:560px){.legend-row i{width:24px}.legend{padding:8px 10px}}

/* Panel content */
.city-head h2{font-size:clamp(38px,4.4vw,56px);line-height:1.02;margin-top:10px}
.figs{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line);margin-top:20px}
.figs .f{padding:16px 12px 14px 0}
.figs .f+.f{padding-left:14px;border-left:1px solid var(--line)}
.figs b{display:block;font-family:var(--serif);font-weight:300;font-size:clamp(26px,2.3vw,34px);line-height:1;font-variant-numeric:tabular-nums;white-space:nowrap}
.figs span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.35}
.meta{margin-top:12px;font-size:14px;color:var(--ink-2)}
.meta span+span::before{content:" · ";color:var(--muted)}
.src-line{margin-top:6px;font-family:var(--mono);font-size:11.5px;color:var(--muted);line-height:1.5}
.ctl{margin-top:22px}
.ctl-label{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.tabs{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:999px;padding:3px;background:var(--raised)}
.tabs button{border:0;background:transparent;border-radius:999px;padding:9px 6px;font:500 13.5px/1.1 var(--sans);color:var(--ink-2);cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--ink);color:var(--bg)}
.result{border:1px solid var(--line);border-radius:20px;background:var(--raised);padding:22px 22px 18px}
@media (max-width:980px){.result{margin-top:24px}}
.result .say{font-family:var(--serif);font-size:clamp(20px,1.9vw,24px);line-height:1.3}
.result .say b{font-weight:400;color:var(--clay-ink)}
.result .range{margin-top:6px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.result svg{display:block;width:100%;height:auto;margin-top:12px}
.nums{display:grid;grid-template-columns:auto 1fr;gap:9px 18px;margin:14px 0 0;font-size:14.5px}
.nums dt{color:var(--muted)}
.nums dd{margin:0;font-variant-numeric:tabular-nums;color:var(--ink)}
.nums dd .was{color:var(--muted)}
.nums dd .arrow{color:var(--muted);margin:0 4px}
.sub-ctl{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-2)}
.sub-ctl input[type=range]{accent-color:var(--clay);width:140px}
.note{margin-top:12px;font-size:13.5px;color:var(--ink-2)}
.list-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;margin-top:26px;gap:4px 12px}
.list-head h3{font-size:22px}
.list-head span{font-size:13px;color:var(--muted)}
.plist{list-style:none;margin:10px 0 0;padding:0;border-top:1px solid var(--line)}
.plist li{border-bottom:1px solid var(--line)}
.plist button{display:grid;grid-template-columns:1fr auto;gap:2px 12px;width:100%;text-align:left;background:none;border:0;padding:12px 8px 12px 10px;cursor:pointer;color:inherit;font:inherit;border-radius:10px;transition:background .2s}
.plist button:hover{background:var(--surface)}
.plist button[aria-pressed="true"]{background:var(--surface);box-shadow:inset 3px 0 0 var(--clay)}
.plist .nm{font-family:var(--serif);font-size:18px;line-height:1.25}
.plist .sci{font-style:italic;color:var(--muted);font-size:13px;margin-left:6px;font-family:var(--sans)}
.plist .why{grid-column:1/-1;font-size:13px;color:var(--ink-2);line-height:1.45}
.plist .right{display:flex;align-items:center;gap:8px}
.plist .cool{font-family:var(--mono);font-size:12.5px;color:var(--ink-2)}
.tag-native{font-family:var(--mono);font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--sea);margin-left:8px}
.more{margin-top:10px;background:none;border:0;padding:6px 0;color:var(--ink-2);font:500 13.5px var(--sans);cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.loading{color:var(--muted);font-size:14px;margin-top:18px}
.error{color:var(--clay-ink);font-size:14px;margin-top:18px}

/* Street diagram */
.dg .bld{fill:var(--surface);stroke:var(--line)}
.dg .floor{stroke:var(--line);stroke-width:1}
.dg .ground{stroke:var(--ink-2);stroke-width:1.5}
.dg .hot{stroke:var(--clay);stroke-width:5;stroke-linecap:butt}
.dg .shade{stroke:var(--muted);stroke-width:5;opacity:.35}
.dg .green{fill:var(--sea);opacity:.85}
.dg .crown{fill:var(--sea-soft);stroke:var(--sea);stroke-width:1.5;opacity:.92}
.dg .greenwall{fill:var(--sea);opacity:.75}
.dg .trunk{stroke:var(--ink-2);stroke-width:2}
.dg .sun{fill:var(--clay)}
.dg .ray{stroke:var(--clay);stroke-width:1;stroke-dasharray:3 4;opacity:.7}
.dg text{font-family:var(--mono);font-size:10.5px;fill:var(--ink-2)}
.dg text.k{fill:var(--muted)}
.dg text.big{font-size:12px;fill:var(--ink)}
.dg .person{fill:var(--ink-2)}

/* Model-street section */
.street-explain{display:grid;grid-template-columns:1.1fr 1fr;gap:32px 56px;align-items:start}
.street-fig{margin:0;background:var(--raised);border:1px solid var(--line);border-radius:20px;padding:20px}
.street-fig svg{display:block;width:100%;height:auto}
.specs{display:grid;grid-template-columns:auto 1fr;gap:14px 24px;margin:0}
.specs dt{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--clay-ink);padding-top:3px}
.specs dd{margin:0;color:var(--ink-2)}
@media (max-width:880px){.street-explain{grid-template-columns:1fr}}

/* Method */
.steps{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.steps li{display:grid;grid-template-columns:64px 1fr;gap:8px 24px;padding:22px 0;border-bottom:1px solid var(--line)}
.steps .n{font-family:var(--mono);font-size:13px;color:var(--muted);padding-top:4px}
.steps h3{font-size:22px;line-height:1.25}
.steps p{margin-top:6px;color:var(--ink-2);max-width:72ch}
.caveat{margin-top:36px;padding:22px 24px;border-radius:16px;background:var(--surface)}
.caveat p+p{margin-top:8px;color:var(--ink-2);max-width:80ch}

/* Plant table */
.table-wrap{margin-top:20px;overflow-x:auto;border-top:1px solid var(--line)}
.plant-table{width:100%;border-collapse:collapse;font-size:14px;min-width:760px}
.plant-table th{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:400;text-align:left;padding:12px 12px 10px 0;border-bottom:1px solid var(--line)}
.plant-table td{padding:12px 12px 12px 0;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-2)}
.plant-table td:first-child{min-width:220px}
.plant-table .nm{font-family:var(--serif);font-size:17px;color:var(--ink)}
.plant-table .sci{display:block;font-style:italic;font-size:13px;color:var(--muted)}
.plant-table .num{font-family:var(--mono);font-size:13px;font-variant-numeric:tabular-nums;white-space:nowrap}
.plant-table a{color:var(--ink-2);text-underline-offset:3px}

/* Sources */
.refs{display:grid;grid-template-columns:repeat(3,1fr);gap:32px 40px}
.refs h3{font-size:21px;margin-bottom:10px}
.ref-list{margin:0;padding-left:22px;font-size:14px;color:var(--ink-2);display:grid;gap:10px}
.ref-list li::marker{font-family:var(--mono);font-size:12px;color:var(--muted)}
.ref-list a{color:var(--ink-2);text-underline-offset:3px;word-break:break-word}
@media (max-width:980px){.refs{grid-template-columns:1fr}}

footer{border-top:1px solid var(--line)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding-block:28px;color:var(--muted);font-size:13px}
.foot a{color:inherit}

/* City dots by hottest-day class */
.world .c1{fill:var(--t1)}.world .c2{fill:var(--t2)}.world .c3{fill:var(--t3)}.world .c4{fill:var(--t4)}
.world .c5{fill:var(--t5)}.world .c6{fill:var(--t6)}.world .c7{fill:var(--t7)}

/* Phones: legend and city card flow below the map (kept last so they win) */
@media (max-width:640px){
  .map-card{height:340px}
  .legend{position:static;display:inline-block;margin:12px 16px 0}
  .peek{position:static;width:auto;margin:12px 16px 16px}
}