/* usmap.page — single stylesheet. System fonts only: zero font requests. */
:root{
  --bg:#f3f6f8;
  --paper:#ffffff;
  --ink:#14202c;
  --muted:#5b6873;
  --line:#d4dce3;
  --water:#c6dbeb;
  --grid:rgba(20,32,44,.07);
  --land:#e6edf2;
  --land-hover:#ffd35c;
  --land-active:#ffbd1f;
  --accent:#c9422b;
  --accent-ink:#8f2c1c;
  --ok:#2f7d4f;
  --r1:#f4b183;--r2:#a9d18e;--r3:#9dc3e6;--r4:#ffd966;--r5:#c5a3d9;--r6:#f4a6c0;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --max:1120px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;font:16px/1.6 var(--sans);color:var(--ink);background:var(--bg)}
a{color:var(--accent-ink);text-underline-offset:3px}
a:hover{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
img,svg{max-width:100%;height:auto}
h1,h2,h3{line-height:1.15;letter-spacing:-.015em;margin:0 0 .5rem}
h1{font-size:clamp(1.9rem,4.5vw,3rem);font-weight:800}
h2{font-size:clamp(1.35rem,2.6vw,1.85rem);font-weight:700;margin-top:2.5rem}
h3{font-size:1.1rem;font-weight:700;margin-top:1.5rem}
p{margin:0 0 1rem}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1rem}
.eyebrow{font:600 .72rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 .75rem}
.lede{font-size:1.15rem;color:var(--muted);max-width:60ch}

/* Header — sits on a graticule grid, the site's one visual signature */
.site-head{background:var(--paper);border-bottom:1px solid var(--line);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:48px 48px}
.site-head .wrap{display:flex;align-items:center;gap:1.25rem;min-height:60px;flex-wrap:wrap}
.brand{font:800 1.2rem/1 var(--sans);letter-spacing:-.03em;color:var(--ink);text-decoration:none;white-space:nowrap}
.brand b{color:var(--accent)}
.nav{display:flex;gap:.15rem;margin-left:auto;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.nav::-webkit-scrollbar{display:none}
.nav a{font-size:.9rem;font-weight:600;color:var(--ink);text-decoration:none;padding:.45rem .6rem;border-radius:6px;white-space:nowrap}
.nav a:hover,.nav a[aria-current]{background:var(--land-hover);color:var(--ink)}

/* Breadcrumb */
.crumbs{font:.78rem/1 var(--mono);color:var(--muted);margin:1.25rem 0 0;padding:0;list-style:none;display:flex;gap:.5rem;flex-wrap:wrap}
.crumbs a{color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:.5rem;color:var(--line)}

/* Page intro */
.intro{padding:1.75rem 0 1rem}

/* Map block — fixed aspect ratio reserves space so nothing shifts (CLS 0) */
.map-box{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--paper)}
.map-tools{display:flex;flex-wrap:wrap;gap:.4rem;padding:.6rem;border-bottom:1px solid var(--line);align-items:center}
.map-tools .sp{flex:1}
.btn{font:600 .82rem/1 var(--sans);padding:.5rem .7rem;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink);cursor:pointer}
.btn:hover{border-color:var(--ink)}
.btn[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-ink)}
.map{position:relative;width:100%;aspect-ratio:16/9;min-height:320px;background:var(--water);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:40px 40px;outline:none}
@media (max-width:640px){.map{aspect-ratio:4/3}}
.map-tall{aspect-ratio:4/3}
.map-note{font:.75rem/1.4 var(--mono);color:var(--muted);padding:.5rem .6rem;border-top:1px solid var(--line);display:flex;gap:1rem;flex-wrap:wrap}
.map-note b{color:var(--ink)}
/* Leaflet overrides — keep chrome minimal */
.leaflet-container{background:transparent;font-family:var(--sans)}
.leaflet-control-zoom a{color:var(--ink)}
.leaflet-container .leaflet-control-attribution{font:.65rem var(--mono);background:rgba(255,255,255,.7)}
.state-label{font:700 .68rem/1 var(--mono);color:var(--ink);text-align:center;pointer-events:none;text-shadow:0 0 3px #fff,0 0 3px #fff;white-space:nowrap}
.state-label.full{font-size:.6rem;font-weight:600;letter-spacing:.02em}
.city-label{font:600 .7rem/1 var(--sans);color:var(--ink);white-space:nowrap;text-shadow:0 0 3px #fff,0 0 3px #fff;pointer-events:none;transform:translate(8px,-7px)}
.capital-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);border:2px solid #fff;box-shadow:0 0 0 1px var(--accent)}
.city-dot{width:8px;height:8px;border-radius:50%;background:var(--ink);border:2px solid #fff}
.leaflet-popup-content{font-size:.9rem;margin:.6rem .8rem}
.leaflet-popup-content b{display:block;font-size:1rem}
.leaflet-popup-content-wrapper{border-radius:6px}

/* Legend */
.legend{display:flex;flex-wrap:wrap;gap:.4rem 1rem;font:.8rem var(--mono);padding:.6rem;border-top:1px solid var(--line)}
.legend span::before{content:"";display:inline-block;width:.85em;height:.85em;border-radius:2px;margin-right:.4em;vertical-align:-1px;background:var(--c);border:1px solid rgba(0,0,0,.15)}

/* Grids / cards */
.grid{display:grid;gap:.9rem;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));padding:0;list-style:none;margin:1rem 0}
.card{display:block;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:1rem;color:var(--ink);text-decoration:none}
.card:hover{border-color:var(--ink);color:var(--ink)}
.card b{display:block;font-size:1.02rem;margin-bottom:.2rem}
.card small{color:var(--muted);font-size:.85rem;display:block}
.cols{columns:3;column-gap:2rem;padding:0;list-style:none;margin:1rem 0}
@media (max-width:760px){.cols{columns:2}}
@media (max-width:460px){.cols{columns:1}}
.cols li{break-inside:avoid;padding:.2rem 0;border-bottom:1px solid var(--line);font-size:.95rem}
.cols li code{font:.75rem var(--mono);color:var(--muted);margin-left:.4rem}

/* Tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:var(--paper)}
table{border-collapse:collapse;width:100%;font-size:.92rem}
th,td{text-align:left;padding:.55rem .7rem;border-bottom:1px solid var(--line);vertical-align:top}
th{font:600 .72rem/1.2 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);background:var(--bg);position:sticky;top:0}
tr:last-child td{border-bottom:0}
td.num{font-family:var(--mono);font-size:.85rem;text-align:right;white-space:nowrap}
th.num{text-align:right}
td code{font:.78rem var(--mono);background:var(--bg);padding:.1rem .3rem;border-radius:3px}

/* Fact strip (state pages) */
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:1rem 0}
.facts div{background:var(--paper);padding:.7rem .8rem}
.facts dt{font:600 .68rem/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 .3rem}
.facts dd{margin:0;font-weight:600;font-size:.98rem}

/* Prose */
.prose{max-width:72ch}
.prose h2{margin-top:2.25rem}
.prose ul,.prose ol{padding-left:1.25rem}
.prose li{margin:.3rem 0}
details{border:1px solid var(--line);border-radius:8px;background:var(--paper);padding:.6rem 1rem;margin:.5rem 0}
summary{font-weight:600;cursor:pointer}
details p{margin:.6rem 0 .2rem}

/* Quiz */
.quiz-bar{display:flex;flex-wrap:wrap;gap:.6rem 1.25rem;align-items:center;padding:.7rem .8rem;border-bottom:1px solid var(--line);background:var(--paper)}
.quiz-ask{font-size:1.15rem;font-weight:700}
.quiz-ask em{font-style:normal;color:var(--accent)}
.quiz-score{font:.8rem var(--mono);color:var(--muted);margin-left:auto}
.quiz-msg{font-size:.9rem;min-height:1.3em}
.quiz-msg.good{color:var(--ok)}.quiz-msg.bad{color:var(--accent)}
.quiz-end{padding:1rem;text-align:center;font-size:1.1rem}

/* Footer */
.site-foot{margin-top:3.5rem;border-top:1px solid var(--line);background:var(--paper);padding:2rem 0 2.5rem;font-size:.9rem}
.foot-grid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.site-foot h3{font:600 .7rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 .6rem}
.site-foot ul{list-style:none;padding:0;margin:0}
.site-foot li{padding:.15rem 0}
.site-foot a{color:var(--ink);text-decoration:none}
.site-foot a:hover{color:var(--accent);text-decoration:underline}
.foot-meta{margin-top:1.5rem;font:.75rem var(--mono);color:var(--muted)}

/* Print — blank/printable maps */
@media print{
  .site-head,.site-foot,.map-tools,.crumbs,.no-print,.leaflet-control-container{display:none!important}
  body{background:#fff}
  .map-box{border:0}
  .map{background:#fff;background-image:none;aspect-ratio:auto;height:6.6in;min-height:0;page-break-inside:avoid}
  .print-only{display:block!important}
}
.print-only{display:none}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}