/* Let's Begin Here: What does my town need? — Volume Four
   Swiss, minimal. Arial only. 1px hairlines, 2.5px radius, elevation by soft shadow.
   Series structure follows Rural Revitalization / Climate & Rural Impacts / Food Systems,
   re-keyed to signal red. */

:root {
  --hero: #D42A1F;            /* signal red — white text 5.06:1 */
  --hero-deep: #B8261B;
  --on-hero: #ffffff;
  --on-hero-soft: rgba(255,255,255,.86);
  --hero-tile: rgba(255,255,255,.10);
  --hero-line: rgba(255,255,255,.38);

  --bg: #ffffff;
  --bg-2: #f6f6f5;            /* quiet band */
  --card: #ffffff;
  --ink: #111111;
  --ink-2: #3d3d3d;
  --muted: #6e6e6e;
  --line: #dcdcdc;            /* 1px hairline */
  --line-strong: #111111;
  --accent: #B8261B;          /* links, figures */
  --accent-tint: #fbe9e7;
  --chip: #f1f1f0;
  --focus: #0B5FD0;

  /* status labels (always shown with text, never colour alone) */
  --st-local: #0b6b3a;  --st-local-bg: #e3f2ea;
  --st-lit:   #1d4f91;  --st-lit-bg:   #e4ecf7;
  --st-assume:#7a5300;  --st-assume-bg:#fbf0d6;
  --st-unknown:#6e6e6e; --st-unknown-bg:#efefee;
  --st-withdrawn:#9b1c13; --st-withdrawn-bg:#fbe5e2;

  /* chart: one series + county categorical (validated, light surface) */
  --series-1: #D42A1F;
  --cat-1: #2a78d6; --cat-2: #eb6834; --cat-3: #1baf7a; --cat-4: #eda100;
  --grid: #e8e8e8;

  --radius: 2.5px;
  --hair: 1px;
  --shadow-1: 0 1px 2px rgba(0,0,0,.05), 0 2px 8px rgba(0,0,0,.04);
  --shadow-2: 0 2px 4px rgba(0,0,0,.06), 0 10px 28px rgba(0,0,0,.08);
  --shadow-3: 0 4px 10px rgba(0,0,0,.08), 0 24px 56px rgba(0,0,0,.14);
  --font: Arial, "Helvetica Neue", Helvetica, sans-serif;
  --track: .2em;
  --max: 1280px;
  --header-h: 64px;
}

[data-theme="dark"] {
  --hero: #A8221A;
  --hero-deep: #8f1d16;
  --bg: #1a1a1a;
  --bg-2: #202020;
  --card: #242424;
  --ink: #f2f2f2;
  --ink-2: #cfcfcf;
  --muted: #9a9a9a;
  --line: #363636;
  --line-strong: #f2f2f2;
  --accent: #FF8A7A;
  --accent-tint: #3a2421;
  --chip: #2c2c2c;
  --focus: #86b6ef;
  --st-local: #7fd1a3;  --st-local-bg: #1f3329;
  --st-lit:   #9ec5f4;  --st-lit-bg:   #1e2a3a;
  --st-assume:#f0c46a;  --st-assume-bg:#382e19;
  --st-unknown:#b4b4b4; --st-unknown-bg:#2e2e2e;
  --st-withdrawn:#ff9c90; --st-withdrawn-bg:#3d2320;
  --series-1: #E0483A;
  --cat-1: #3987e5; --cat-2: #d95926; --cat-3: #199e70; --cat-4: #c98500;
  --grid: #303030;
  --shadow-1: 0 1px 2px rgba(0,0,0,.45), 0 2px 8px rgba(0,0,0,.35);
  --shadow-2: 0 2px 4px rgba(0,0,0,.5), 0 10px 28px rgba(0,0,0,.45);
  --shadow-3: 0 4px 10px rgba(0,0,0,.55), 0 24px 56px rgba(0,0,0,.6);
  color-scheme: dark;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  font-family: var(--font); font-size: 16px; line-height: 1.55;
  color: var(--ink); background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 200; background: var(--card); padding: 8px 12px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; height: var(--header-h);
  background: var(--bg); border-bottom: var(--hair) solid var(--line);
}
.header-inner { max-width: var(--max); margin: 0 auto; height: 100%; padding: 0 32px; display: flex; align-items: center; gap: 28px; }
.wordmark { color: var(--ink); line-height: 1.15; flex-shrink: 0; }
.wordmark:hover { text-decoration: none; }
.wordmark b { display: block; font-size: 14px; font-weight: 700; letter-spacing: -.01em; }
.wordmark span { display: block; font-size: 10.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.nav { display: flex; gap: 22px; margin-left: 12px; }
.nav a { color: var(--ink-2); font-size: 14px; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--ink); text-decoration: none; }
.nav a.active { color: var(--ink); font-weight: 700; border-bottom-color: var(--hero); }
.tools { margin-left: auto; display: flex; gap: 8px; }
.icon-btn {
  width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
  border: var(--hair) solid var(--line); border-radius: var(--radius); background: var(--card); cursor: pointer;
}
.icon-btn:hover { box-shadow: var(--shadow-1); }
.menu-btn { display: none; }
.drawer { display: none; }

@media (max-width: 1080px) {
  .nav { display: none; }
  .menu-btn { display: inline-flex; }
  .drawer.open {
    display: block; position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0; z-index: 49;
    background: var(--bg); padding: 12px 20px 40px; overflow: auto;
  }
  .drawer a { display: block; padding: 14px 4px; border-bottom: var(--hair) solid var(--line); color: var(--ink); font-size: 17px; }
  .drawer a small { display: block; color: var(--muted); font-size: 13px; }
}

/* ---------- layout ---------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 32px; }
.section { padding: 64px 0; }
.section.band { background: var(--bg-2); border-top: var(--hair) solid var(--line); border-bottom: var(--hair) solid var(--line); }
.eyebrow { font-size: 11px; font-weight: 700; letter-spacing: var(--track); text-transform: uppercase; color: var(--muted); }
.kicker { font-size: 13px; font-weight: 700; letter-spacing: var(--track); text-transform: uppercase; margin-bottom: 10px; }
h1, h2, h3, h4 { font-weight: 700; letter-spacing: -.02em; line-height: 1.12; }
h2.title { font-size: clamp(28px, 3.4vw, 40px); margin: 6px 0 12px; }
h3 { font-size: 19px; letter-spacing: -.01em; }
.intro { max-width: 68ch; color: var(--ink-2); font-size: 17px; }
.small { font-size: 13px; color: var(--muted); }
.measure { max-width: 70ch; }
.prose p + p { margin-top: 12px; }
.prose h3 { margin: 28px 0 8px; }
.prose ul { margin: 8px 0 0 20px; }
.prose li + li { margin-top: 6px; }

/* ---------- hero ---------- */
.hero { background: var(--hero); color: var(--on-hero); padding: 72px 0 80px; }
.hero .eyebrow { color: var(--on-hero-soft); }
.hero h1 { font-size: clamp(38px, 6vw, 76px); letter-spacing: -.035em; line-height: 1.02; margin: 14px 0 20px; max-width: 19ch; }
.hero h1 em { font-style: italic; font-weight: 400; }
.hero .lede { max-width: 60ch; font-size: 18px; color: var(--on-hero-soft); }
.hero a { color: #fff; text-decoration: underline; text-underline-offset: 2px; }

.popbar {
  margin-top: 30px; display: flex; max-width: 640px;
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-3); overflow: hidden;
}
.popbar label { display: flex; align-items: center; gap: 10px; flex: 1; padding: 0 16px; color: #111; }
.popbar label span { font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: #6e6e6e; white-space: nowrap; }
.popbar input { flex: 1; min-width: 0; border: 0; outline: 0; font-size: 22px; font-weight: 700; padding: 14px 0; color: #111; background: transparent; }
.popbar button { border: 0; background: #111; color: #fff; padding: 0 24px; font-weight: 700; cursor: pointer; }
.popbar button:hover { background: #000; }
.try { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 13px; }
.try .lbl { color: var(--on-hero-soft); margin-right: 4px; }
.try button {
  background: transparent; color: #fff; border: var(--hair) solid var(--hero-line);
  border-radius: var(--radius); padding: 5px 10px; cursor: pointer; font-size: 13px;
}
.try button:hover { background: var(--hero-tile); }

.stats { margin-top: 40px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--hero-line); border: var(--hair) solid var(--hero-line); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--hero); padding: 16px 18px; }
.stat .n { font-size: 30px; font-weight: 700; letter-spacing: -.02em; line-height: 1.1; }
.stat .l { font-size: 12.5px; color: var(--on-hero-soft); margin-top: 4px; }
.updated { margin-top: 18px; font-size: 13px; color: var(--on-hero-soft); display: flex; align-items: center; gap: 8px; }
.updated .dot { width: 7px; height: 7px; border-radius: 50%; background: #fff; }

/* ---------- cards / grids ---------- */
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.split { display: grid; grid-template-columns: 1.6fr 1fr; gap: 28px; }
.grid2 > *, .grid3 > *, .grid4 > *, .split > *, .metrics > *, .role-grid > * { min-width: 0; }
.card {
  background: var(--card); border: var(--hair) solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-1); padding: 22px 24px;
}
.card.raised { box-shadow: var(--shadow-2); }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--ink-2); font-size: 15px; }
.go { display: inline-block; margin-top: 14px; font-weight: 700; font-size: 14px; }
.go::after { content: " \2192"; }

.paths { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; margin-top: 28px; border-top: var(--hair) solid var(--line-strong); }
.path { padding: 22px 28px 26px 0; border-bottom: var(--hair) solid var(--line); }
.path:nth-child(even) { padding-left: 28px; padding-right: 0; border-left: var(--hair) solid var(--line); }
.path .pnum { font-size: 11px; font-weight: 700; letter-spacing: var(--track); text-transform: uppercase; color: var(--accent); }
.path h3 { font-size: 18px; text-transform: uppercase; letter-spacing: .01em; margin: 6px 0 8px; }
.path p { color: var(--ink-2); font-size: 15px; max-width: 58ch; }

/* ---------- status chip ---------- */
.st { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 3px 7px; border-radius: var(--radius); white-space: nowrap; }
.st::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.st.local { color: var(--st-local); background: var(--st-local-bg); }
.st.lit { color: var(--st-lit); background: var(--st-lit-bg); }
.st.assume { color: var(--st-assume); background: var(--st-assume-bg); }
.st.unknown { color: var(--st-unknown); background: var(--st-unknown-bg); }
.st.unknown::before { background: transparent; border: 1.5px solid currentColor; width: 5px; height: 5px; }
.st.withdrawn { color: var(--st-withdrawn); background: var(--st-withdrawn-bg); }
.chip { display: inline-block; font-size: 12px; padding: 3px 8px; border-radius: var(--radius); background: var(--chip); color: var(--ink-2); }

/* ---------- calculator ---------- */
.calc-head { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: end; }
.controls {
  position: sticky; top: var(--header-h); z-index: 20; background: var(--bg);
  border-bottom: var(--hair) solid var(--line); padding: 14px 0;
}
.controls .wrap { display: flex; flex-wrap: wrap; gap: 14px 22px; align-items: center; }
.ctl { display: flex; align-items: center; gap: 10px; }
.ctl > span { font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.num-in {
  width: 120px; padding: 8px 10px; font-size: 18px; font-weight: 700;
  border: var(--hair) solid var(--line); border-radius: var(--radius); background: var(--card);
}
.seg { display: inline-flex; border: var(--hair) solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); }
.seg button { border: 0; background: transparent; padding: 7px 12px; font-size: 13px; cursor: pointer; color: var(--ink-2); }
.seg button + button { border-left: var(--hair) solid var(--line); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--bg); font-weight: 700; }
input[type=range] { accent-color: var(--hero); width: 180px; }
.linkbtn { background: none; border: 0; color: var(--accent); cursor: pointer; font-size: 13px; font-weight: 700; padding: 0; }

.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.metric { display: flex; flex-direction: column; }
.metric .top { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 14px; }
.metric .big { font-size: clamp(30px, 3.2vw, 42px); font-weight: 700; letter-spacing: -.03em; line-height: 1.05; font-variant-numeric: tabular-nums; }
.metric .unit { font-size: 14px; color: var(--muted); margin-top: 4px; }
.metric .alt { margin-top: 14px; padding-top: 12px; border-top: var(--hair) solid var(--line); font-size: 14px; color: var(--ink-2); display: grid; gap: 4px; }
.metric .alt b { font-variant-numeric: tabular-nums; color: var(--ink); }
.metric .note { margin-top: auto; padding-top: 14px; font-size: 12.5px; color: var(--muted); }
.metric.context { background: var(--bg-2); box-shadow: none; }

.block { margin-top: 48px; }
.block-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; flex-wrap: wrap; border-top: var(--hair) solid var(--line-strong); padding-top: 14px; margin-bottom: 18px; }
.block-head h3 { font-size: 22px; }

/* table */
.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.tbl th { text-align: left; font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); padding: 10px 12px 10px 0; border-bottom: var(--hair) solid var(--line-strong); }
.tbl td { padding: 11px 12px 11px 0; border-bottom: var(--hair) solid var(--line); vertical-align: top; }
.tbl td.r, .tbl th.r { text-align: right; font-variant-numeric: tabular-nums; }
.tbl tr:hover td { background: color-mix(in srgb, var(--accent-tint) 50%, transparent); }
.tbl-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* chart */
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .axis { fill: var(--muted); font-size: 11px; }
.chart .lbl { fill: var(--ink); font-size: 13px; }
.chart .lbl-2 { fill: var(--muted); font-size: 12px; }
.chart .val { fill: var(--ink); font-size: 13px; font-weight: 700; }
.chart .ref { stroke: var(--ink); stroke-width: 1; stroke-dasharray: 3 3; }
.chart .ref-t { fill: var(--ink-2); font-size: 11px; }
.chart .hit { fill: transparent; cursor: default; }
.chart .bar { fill: var(--series-1); }
.chart .bar.dim { opacity: .35; }
.tip {
  position: absolute; pointer-events: none; z-index: 10; min-width: 180px; max-width: 280px;
  background: var(--card); color: var(--ink); border: var(--hair) solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-2); padding: 10px 12px; font-size: 13px; opacity: 0; transition: opacity .12s;
}
.tip.on { opacity: 1; }
.tip b { display: block; font-size: 14px; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--ink-2); margin-top: 12px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }

/* callouts */
.callout { border-left: 3px solid var(--hero); padding: 12px 16px; background: var(--bg-2); border-radius: 0 var(--radius) var(--radius) 0; font-size: 14.5px; color: var(--ink-2); }
.callout b { color: var(--ink); }
.callout.warn { border-left-color: var(--st-assume); }

/* audience tabs */
.tabs { display: flex; flex-wrap: wrap; gap: 0; border-bottom: var(--hair) solid var(--line); margin: 24px 0 28px; }
.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 10px 14px; cursor: pointer; font-size: 14.5px; color: var(--ink-2); margin-bottom: -1px; }
.tabs button[aria-selected="true"] { color: var(--ink); font-weight: 700; border-bottom-color: var(--hero); }
.role-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 28px; }
.qlist { list-style: none; counter-reset: q; }
.qlist li { counter-increment: q; position: relative; padding: 10px 0 10px 34px; border-bottom: var(--hair) solid var(--line); font-size: 15px; }
.qlist li::before { content: counter(q, decimal-leading-zero); position: absolute; left: 0; top: 11px; font-size: 12px; font-weight: 700; color: var(--accent); }

/* sources */
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 20px 0; }
.search {
  flex: 1; min-width: 220px; padding: 10px 12px; border: var(--hair) solid var(--line); border-radius: var(--radius); background: var(--card); font-size: 15px;
}
select.sel { padding: 9px 10px; border: var(--hair) solid var(--line); border-radius: var(--radius); background: var(--card); font-size: 14px; }
.src { display: grid; grid-template-columns: 64px 1fr auto; gap: 14px; padding: 14px 0; border-bottom: var(--hair) solid var(--line); align-items: start; }
.src .id { font-size: 12px; font-weight: 700; color: var(--muted); font-variant-numeric: tabular-nums; padding-top: 2px; }
.src .t { font-weight: 700; font-size: 15px; }
.src .m { font-size: 13px; color: var(--muted); margin-top: 3px; }

/* unknowns */
.unk { display: grid; grid-template-columns: 1fr; gap: 0; }
.unk-row { display: grid; grid-template-columns: 160px 1fr 1.2fr; gap: 18px; padding: 14px 0; border-bottom: var(--hair) solid var(--line); font-size: 14.5px; }
.unk-row .res { font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); padding-top: 3px; }
.gates { counter-reset: g; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gate { counter-increment: g; }
.gate .card { height: 100%; }
.gate h3::before { content: "Gate " counter(g) " · "; color: var(--accent); }

/* footer */
.site-footer { border-top: var(--hair) solid var(--line); margin-top: 0; padding: 48px 0 56px; background: var(--bg-2); font-size: 14px; color: var(--ink-2); }
.foot { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.foot h4 { font-size: 11px; letter-spacing: var(--track); text-transform: uppercase; margin-bottom: 10px; color: var(--muted); }
.foot ul { list-style: none; }
.foot li + li { margin-top: 6px; }
.foot .series li.here { font-weight: 700; color: var(--ink); }

/* responsive */
@media (max-width: 1080px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(3, 1fr); }
  .grid4 { grid-template-columns: repeat(2, 1fr); }
  .gates { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .header-inner, .wrap { padding: 0 18px; }
  .hero { padding: 40px 0 44px; }
  .hero .lede { font-size: 16px; }
  .section { padding: 44px 0; }
  .metrics, .grid2, .grid3, .grid4, .split, .paths, .role-grid, .gates, .foot { grid-template-columns: 1fr; }
  .path, .path:nth-child(even) { padding: 18px 0; border-left: 0; }
  .stats { grid-template-columns: repeat(2, 1fr); margin-top: 28px; }
  .stat:last-child { grid-column: span 2; }
  .stat .n { font-size: 24px; }
  .popbar input { font-size: 18px; }
  .popbar label span { display: none; }
  .unk-row { grid-template-columns: 1fr; gap: 4px; }
  .src { grid-template-columns: 1fr; gap: 4px; }
  .controls .wrap { gap: 10px 14px; }
  input[type=range] { width: 120px; }
  .calc-head { grid-template-columns: 1fr; }
  .tabs { flex-wrap: nowrap; overflow-x: auto; }
  .block-head .st { white-space: normal; }
  .tabs button { white-space: nowrap; }
}
@media print {
  .site-header, .controls, .site-footer, .drawer { display: none !important; }
  .card { box-shadow: none; }
}