/* Home Ground. One typeface, cool survey palette, measurements over adjectives. */
:root{
  --paper:#E9ECE9; --ink:#131815; --soft:#5C655E; --faint:#8E968A;
  --rule:#C6CCC5; --water:#1C5F74; --degraded:#8A6A1E;
  --gutter:clamp(20px,5vw,72px);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0E1211; --ink:#E4E8E2; --soft:#90998C; --faint:#6B736A;
  --rule:#262C27; --water:#6FB6C9; --degraded:#D4AF5E;
}}
:root[data-theme="dark"]{
  --paper:#0E1211; --ink:#E4E8E2; --soft:#90998C; --faint:#6B736A;
  --rule:#262C27; --water:#6FB6C9; --degraded:#D4AF5E;
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:Archivo,"Helvetica Neue",Arial,sans-serif;font-weight:300;
  font-size:clamp(15px,1.05vw,17px);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit}
:focus-visible{outline:2px solid var(--water);outline-offset:3px}
.sheet{max-width:1320px;margin-inline:auto;padding-inline:var(--gutter)}

nav{display:flex;align-items:baseline;gap:clamp(18px,3vw,44px);flex-wrap:wrap;
  padding-block:22px;border-bottom:1px solid var(--ink)}
.id{font-weight:600;font-size:1.0625rem;letter-spacing:-.025em;margin-right:auto;text-decoration:none}
nav a{font-size:.9375rem;text-decoration:none;color:var(--soft)}
nav a:hover{color:var(--ink)}
nav a.here{color:var(--ink);font-weight:500}

.hero{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(28px,5vw,80px);
  padding-block:clamp(52px,8vw,104px) clamp(40px,6vw,76px);align-items:start}
@media (max-width:900px){.hero{grid-template-columns:1fr;gap:40px}}
.hero h1{margin:0;font-weight:400;letter-spacing:-.035em;line-height:1.02;
  font-size:clamp(2.4rem,6.2vw,4.6rem);max-width:15ch}
.hero p{margin:26px 0 0;max-width:46ch;font-size:clamp(1rem,1.3vw,1.1875rem);
  line-height:1.52;color:var(--soft)}

.measured{border-top:2px solid var(--ink);padding-top:14px}
.measured .src{font-size:.8125rem;color:var(--faint);margin:0 0 20px;max-width:34ch}
.m{display:grid;grid-template-columns:auto 1fr;gap:4px 18px;
  padding-block:15px;border-bottom:1px solid var(--rule);align-items:baseline}
.m:last-of-type{border-bottom:0}
.m dt{font-size:.9375rem;color:var(--soft);font-weight:400}
.m dd{margin:0;grid-column:2;font-variant-numeric:tabular-nums;
  font-size:clamp(1.5rem,2.6vw,2.125rem);font-weight:500;letter-spacing:-.03em;line-height:1}
.m .q{grid-column:2;font-size:.8125rem;color:var(--faint);margin-top:5px}
.m dd.fed{color:var(--water)} .m dd.low{color:var(--degraded)}

.band{padding-block:clamp(44px,6vw,80px);border-top:1px solid var(--rule)}
.band:first-of-type{border-top:0}
.band h1,.band h2{margin:0 0 20px;font-weight:500;letter-spacing:-.028em;
  font-size:clamp(1.75rem,3.2vw,2.625rem);max-width:22ch;line-height:1.08}
.band p{margin:0 0 18px;max-width:64ch;color:var(--soft);
  font-size:clamp(.9375rem,1.15vw,1.0625rem)}
.band p:last-child{margin-bottom:0}
.band p strong{color:var(--ink);font-weight:500}
.band .lede{color:var(--ink);font-size:clamp(1.0625rem,1.5vw,1.3125rem);max-width:52ch}

.spec{display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(28px,5vw,64px)}
@media (max-width:720px){.spec{grid-template-columns:1fr}}
.spec section{padding-block:26px;border-top:1px solid var(--rule)}
.spec h3{margin:0 0 8px;font-size:1.0625rem;font-weight:600;letter-spacing:-.02em}
.spec p{margin:0;color:var(--soft);font-size:.9375rem;max-width:40ch}
.spec .fig{margin-top:12px;font-variant-numeric:tabular-nums;font-size:1.375rem;
  font-weight:500;letter-spacing:-.025em}
.spec .fig span{font-size:.8125rem;font-weight:400;color:var(--faint);letter-spacing:0;margin-left:7px}

.rows{border-top:1px solid var(--rule);max-width:960px}
.rows section{display:grid;grid-template-columns:180px 1fr;gap:clamp(16px,3vw,40px);
  padding-block:24px;border-bottom:1px solid var(--rule)}
@media (max-width:700px){.rows section{grid-template-columns:1fr;gap:8px}}
.rows h3{margin:0;font-size:1.0625rem;font-weight:600;letter-spacing:-.02em}
.rows p{margin:0;color:var(--soft);max-width:56ch;font-size:.9375rem}

.ask{display:flex;gap:28px;align-items:baseline;flex-wrap:wrap;
  padding-block:clamp(44px,6vw,80px);border-top:1px solid var(--ink)}
.ask h2{margin:0;font-weight:400;letter-spacing:-.03em;
  font-size:clamp(1.5rem,3vw,2.25rem);max-width:20ch;line-height:1.1}
.ask a{margin-left:auto;text-decoration:none;font-weight:500;font-size:.9375rem;
  border-bottom:2px solid var(--ink);padding-bottom:3px;white-space:nowrap}
.ask a:hover{color:var(--water);border-color:var(--water)}

form{max-width:640px;margin-top:36px;display:flex;flex-direction:column;gap:22px}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media (max-width:620px){.pair{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:.875rem;color:var(--soft)}
input,select,textarea{font:inherit;font-size:1rem;color:var(--ink);background:transparent;
  border:0;border-bottom:1px solid var(--rule);border-radius:0;padding:9px 2px;width:100%}
input:focus,select:focus,textarea:focus{outline:0;border-bottom-color:var(--water)}
textarea{min-height:104px;resize:vertical}
button[type=submit]{font:inherit;font-weight:500;font-size:.9375rem;background:var(--ink);
  color:var(--paper);border:0;padding:14px 30px;cursor:pointer;align-self:flex-start}
button[type=submit]:hover{background:var(--water)}
.form-status{color:var(--water);font-size:.9375rem;margin-top:14px}
.after{color:var(--faint);font-size:.875rem;max-width:52ch;margin-top:24px}

.title-block{display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--ink);margin-block:0 48px;font-size:.8125rem}
@media (max-width:720px){.title-block{grid-template-columns:repeat(2,1fr)}}
.title-block div{padding:12px 14px;border-right:1px solid var(--rule)}
.title-block div:last-child{border-right:0}
.title-block dt{color:var(--faint);font-size:.75rem;margin-bottom:4px}
.title-block dd{margin:0;font-weight:500}
.title-block a{text-decoration:none;border-bottom:1px solid var(--rule)}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

nav a.go{color:var(--ink);font-weight:500;border-bottom:2px solid var(--water);padding-bottom:2px}
nav a.go:hover{color:var(--water)}

/* landing: one idea per band, generous air */
.band.tall{padding-block:clamp(64px,9vw,120px)}
.lede-xl{font-size:clamp(1.25rem,2.2vw,1.625rem);line-height:1.4;max-width:46ch;color:var(--ink);font-weight:300}
.types-peek{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--rule);
  border:1px solid var(--rule);margin-top:34px}
@media (max-width:860px){.types-peek{grid-template-columns:repeat(2,1fr)}}
@media (max-width:460px){.types-peek{grid-template-columns:1fr}}
.types-peek a{background:var(--panel,#F2F4F1);text-decoration:none;color:inherit;
  padding:14px 14px 18px;display:block;transition:background .12s ease}
.types-peek a:hover{background:var(--paper)}
.types-peek .dr{margin-bottom:10px}
.types-peek .nm{font-weight:600;font-size:.9375rem;margin-top:8px;display:block}
.types-peek .tg{color:var(--faint);font-size:.75rem;margin-top:2px;display:block;line-height:1.35}
.cta-row{display:flex;gap:26px;align-items:center;flex-wrap:wrap;margin-top:34px}
.cta-row a.primary{text-decoration:none;font-weight:500;font-size:.9375rem;
  background:var(--ink);color:var(--paper);padding:14px 28px}
.cta-row a.primary:hover{background:var(--water)}
.cta-row a.quiet{text-decoration:none;color:var(--soft);font-size:.9375rem;
  border-bottom:1px solid var(--rule);padding-bottom:2px}
.cta-row a.quiet:hover{color:var(--ink)}
/* Drawings sit on their own surface so they read as ink on paper in both
   themes, rather than as bare lines on whatever is behind them. */
:root{ --draw-bg:#E1E6DD; --draw-ink:#39443C; --draw-mass:#CFD6CA;
       --draw-earth:#C2CABD; --draw-glass:#E9EDE5; --draw-thin:#889286; }
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --draw-bg:#161C18; --draw-ink:#9EAEA1; --draw-mass:#212923; --draw-earth:#1C231E;
  --draw-glass:#0D120F; --draw-thin:#6E7A6B; }}
:root[data-theme="dark"]{
  --draw-bg:#161C18; --draw-ink:#9EAEA1; --draw-mass:#212923; --draw-earth:#1C231E;
  --draw-glass:#0D120F; --draw-thin:#6E7A6B; }

.draw,.dr{background:var(--draw-bg);display:block;padding:0}
.draw svg,.dr svg{width:100%;height:auto;display:block}
.draw svg text,.dr svg text{font-size:8.5px;fill:var(--draw-thin);letter-spacing:.01em}
.draw svg .mass,.dr svg .mass{fill:var(--draw-mass);stroke:none}
.draw svg .earth,.dr svg .earth{fill:var(--draw-earth);stroke:none}
.draw svg .glass,.dr svg .glass{fill:var(--draw-glass);stroke:none}
.draw svg .link,.dr svg .link{fill:var(--draw-glass);stroke:none}
.draw svg .ln,.dr svg .ln{fill:none;stroke:var(--draw-ink);stroke-width:1.5;
  stroke-linejoin:round;stroke-linecap:round}
.draw svg .thin,.dr svg .thin{fill:none;stroke:var(--draw-thin);stroke-width:1}
.draw svg .ground,.dr svg .ground{fill:none;stroke:var(--draw-thin);stroke-width:1}
.draw svg .ground path:last-child,.dr svg .ground path:last-child{stroke-dasharray:2 5;opacity:.7}
/* selected: the drawing takes the accent, the surface stays paper */
.type:has(input:checked) .draw svg .ln,
.mod:has(input:checked) .draw svg .ln{stroke:var(--sel)}

/* site search */
.site-search{position:relative;margin-bottom:14px}
.site-search input{width:100%;font:inherit;font-size:1rem;background:transparent;color:var(--ink);
  border:0;border-bottom:1px solid var(--rule);padding:10px 2px}
.site-search input:focus{outline:0;border-bottom-color:var(--sel)}
.site-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1px;
  background:var(--rule);border:1px solid var(--rule)}
.site-facts > div{background:var(--panel);padding:13px 15px 15px;display:flex;flex-direction:column}
.site-facts .k{font-size:.75rem;color:var(--faint)}
.site-facts .v{font-variant-numeric:tabular-nums;font-weight:500;font-size:1.45rem;
  letter-spacing:-.025em;margin:5px 0 3px;line-height:1}
.site-facts .u{font-size:.75rem;color:var(--soft);line-height:1.35}
.site-note{color:var(--faint);font-size:.8125rem;margin:14px 0 0;max-width:72ch}
.site-unknown{margin-top:14px}
.site-unknown summary{font-size:.8125rem;color:var(--warn);cursor:pointer}
.site-unknown ul{margin:10px 0 0;padding-left:18px;color:var(--soft);font-size:.8125rem;line-height:1.6}

/* step 02 is a map now, not a grid of cards */
.sites{display:block;background:none;border:0}
#map{height:380px;border:1px solid var(--rule);margin:4px 0 18px;background:var(--panel)}
#map .leaflet-control-attribution{font-size:9px}
.site-place{font-size:.875rem;color:var(--soft);margin:0 0 14px}

/* step 05 */
.sum{border:1px solid var(--ink);background:var(--panel)}
.sum-rows{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:var(--rule)}
.sum-rows > div{background:var(--panel);padding:13px 16px;display:flex;flex-direction:column;gap:3px}
.sum-rows span{font-size:.75rem;color:var(--faint)}
.sum-rows b{font-weight:500;font-size:.9375rem;font-variant-numeric:tabular-nums}
.sum-go{display:block;text-align:center;text-decoration:none;font-weight:500;font-size:1rem;
  background:var(--ink);color:var(--paper);padding:18px 24px;border-top:1px solid var(--rule)}
.sum-go:hover{background:var(--sel)}

.suggest{position:absolute;left:0;right:0;top:100%;z-index:30;background:var(--panel);
  border:1px solid var(--rule);border-top:0;max-height:260px;overflow:auto}
.suggest button{display:flex;justify-content:space-between;gap:14px;width:100%;text-align:left;
  font:inherit;font-size:.9375rem;background:transparent;color:var(--ink);border:0;
  border-bottom:1px solid var(--rule);padding:10px 14px;cursor:pointer}
.suggest button:last-child{border-bottom:0}
.suggest button:hover{background:var(--paper)}
.suggest button span{color:var(--faint);font-size:.8125rem;white-space:nowrap}
.map-status{font-size:.8125rem;color:var(--faint);margin:-12px 0 16px}
.map-status.bad{color:var(--warn)}
.sum-actions{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--rule)}
@media (max-width:620px){.sum-actions{grid-template-columns:1fr}}
.sum-save{font:inherit;font-weight:500;font-size:1rem;background:transparent;color:var(--ink);
  border:0;border-right:1px solid var(--rule);padding:18px 24px;cursor:pointer}
.sum-save:hover{background:var(--paper)}
.sum-save:disabled{color:var(--faint);cursor:default}
@media (max-width:620px){.sum-save{border-right:0;border-bottom:1px solid var(--rule)}}
.share{padding:16px 18px;border-top:1px solid var(--rule);background:var(--paper)}
.share label{display:block;font-size:.8125rem;color:var(--soft);margin-bottom:8px}
.share-row{display:flex;gap:8px}
.share-row input{flex:1;font:inherit;font-size:.875rem;background:transparent;color:var(--ink);
  border:0;border-bottom:1px solid var(--rule);padding:7px 2px}
.share-row button{font:inherit;font-size:.875rem;background:var(--ink);color:var(--paper);
  border:0;padding:8px 18px;cursor:pointer}

.quiet-btn{font:inherit;font-size:.875rem;background:transparent;color:var(--soft);
  border:1px solid var(--rule);padding:9px 18px;cursor:pointer}
.quiet-btn:hover{color:var(--ink);border-color:var(--soft)}