:root {
  --bg: #0a1220;
  --bg-2: #0d1727;
  --panel: #101c2e;
  --panel-2: #13223a;
  --line: #1f3048;
  --line-2: #2a3f5c;
  --text: #e8eef6;
  --muted: #8a9bb3;
  --accent: #34d399;
  --accent-ink: #052e1f;
  --blue: #60a5fa;
  --red: #f87171;
  --purple: #a78bfa;
  --amber: #fbbf24;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --sans: 'Inter', system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.6 var(--sans); }
a { color: inherit; text-decoration: none; }
svg { flex-shrink: 0; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* header */
.top { border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 18px; }
.brand svg { color: var(--accent); }
.net { font: 12px var(--sans); color: var(--blue); background: color-mix(in srgb, var(--blue) 12%, transparent); border: 1px solid color-mix(in srgb, var(--blue) 30%, transparent); border-radius: 6px; padding: 4px 10px; display: inline-flex; align-items: center; gap: 6px; }
.live-pill { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.live-pill b { color: var(--text); font-weight: 500; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px transparent; } }

/* hero */
.hero { padding: 56px 0; border-bottom: 1px solid var(--line); background: radial-gradient(800px 300px at 20% 0%, color-mix(in srgb, var(--accent) 7%, transparent), transparent); }
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
h1 { font-size: clamp(30px, 4.4vw, 44px); line-height: 1.12; margin: 0 0 18px; letter-spacing: -0.025em; }
.sub { color: var(--muted); font-size: 16px; margin: 0 0 28px; max-width: 56ch; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: 8px; font: 600 14px var(--sans); cursor: pointer; border: 1px solid var(--line-2); background: var(--panel); color: var(--text); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn:hover { filter: brightness(1.12); }
.btn.sm { min-height: 32px; padding: 0 12px; font-size: 12px; }
.stats { display: flex; flex-wrap: wrap; margin-top: 36px; }
.stat { display: flex; align-items: center; gap: 12px; padding-right: 28px; margin-right: 28px; border-right: 1px solid var(--line); }
.stat:last-child { border: 0; margin: 0; padding: 0; }
.stat svg { color: var(--accent); }
.stat span { display: block; font-size: 12px; color: var(--muted); }
.stat b { font-weight: 600; font-size: 15px; }

/* terminal */
.term { background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 12px; overflow: hidden; }
.term-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); font-weight: 600; font-size: 14px; }
.term-head span { display: flex; align-items: center; gap: 8px; }
.term pre { margin: 0; padding: 16px; font: 13px/1.75 var(--mono); white-space: pre-wrap; word-break: break-all; min-height: 230px; }
.k402 { color: var(--amber); } .k200 { color: var(--accent); } .kdim { color: var(--muted); } .khead { color: var(--blue); }
.live-demo { margin-top: 20px; }
.feed-list { list-style: none; margin: 0; padding: 4px 0; }
.feed-list li { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.feed-list li:last-child { border-bottom: 0; }
.feed-name { display: flex; align-items: center; gap: 10px; font-weight: 500; font-size: 14px; }
.feed-name::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }
.feed-name.active::before { background: var(--accent); }
.feed-meta { font: 12px var(--mono); color: var(--muted); }
.cursor { display: inline-block; width: 8px; height: 15px; background: var(--muted); vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* sections */
section { padding: 56px 0; border-bottom: 1px solid var(--line); }
h2 { font-size: 26px; margin: 0 0 24px; letter-spacing: -0.015em; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.section-head h2 { margin: 0 0 12px; }

.steps { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 12px; align-items: stretch; }
.step { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.step h3 { display: flex; align-items: center; gap: 12px; margin: 0 0 14px; font-size: 15px; font-weight: 600; }
.num { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: var(--accent-ink); font-weight: 700; font-size: 14px; }
.step pre { margin: 0; background: var(--bg-2); border: 1px solid var(--line); border-radius: 8px; padding: 12px; font: 12px/1.7 var(--mono); overflow-x: auto; }
.arrow { align-self: center; color: var(--muted); }

.tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.tab { min-height: 36px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--line-2); background: transparent; color: var(--muted); font: 500 13px var(--sans); cursor: pointer; }
.tab[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.refresh-note { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 6px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.card-top { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); }
.cat { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 6px; }
.cat.Municipal { color: var(--blue); background: color-mix(in srgb, var(--blue) 15%, transparent); }
.cat.Public-Safety { color: var(--red); background: color-mix(in srgb, var(--red) 15%, transparent); }
.cat.Inventory { color: var(--purple); background: color-mix(in srgb, var(--purple) 15%, transparent); }
.cat.Events { color: var(--amber); background: color-mix(in srgb, var(--amber) 15%, transparent); }
.status { margin-left: auto; display: flex; align-items: center; gap: 6px; text-transform: capitalize; }
.status::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.status.active { color: var(--accent); } .status.stale, .status.pending { color: var(--amber); }
.card-title { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.card h3 { margin: 0; font-size: 16px; font-weight: 600; }
.price { font: 500 12px var(--mono); border: 1px solid var(--line-2); border-radius: 6px; padding: 2px 8px; white-space: nowrap; }
.card p { margin: 0; color: var(--muted); font-size: 13px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card code { font: 12px var(--mono); color: var(--accent); word-break: break-all; }
.meta { margin-top: auto; padding-top: 4px; font-size: 12px; color: var(--muted); }
.skeleton { height: 190px; background: linear-gradient(90deg, var(--panel) 0%, var(--panel-2) 50%, var(--panel) 100%); background-size: 200% 100%; animation: shimmer 1.4s infinite; border: 1px solid var(--line); border-radius: 12px; }
@keyframes shimmer { to { background-position: -200% 0; } }
.error { grid-column: 1 / -1; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; background: var(--panel); border: 1px solid color-mix(in srgb, var(--red) 40%, transparent); border-radius: 12px; padding: 18px; }
.error b { color: var(--red); display: block; font-weight: 600; }
.error span { color: var(--muted); font-size: 13px; }

.approach { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.approach div { display: flex; gap: 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.approach svg { color: var(--accent); margin-top: 2px; }
.approach h3 { margin: 0 0 6px; font-size: 15px; font-weight: 600; }
.approach p { margin: 0; color: var(--muted); font-size: 13px; }

.integrate { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 32px; align-items: start; }
.integrate h2 { margin-bottom: 8px; }
.integrate .lead { color: var(--muted); margin: 0 0 20px; }
.links { display: flex; flex-wrap: wrap; gap: 10px; }
.links a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: 8px; background: var(--panel); font: 13px var(--mono); }
.links a:hover { border-color: var(--accent); }
.code { position: relative; background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 12px; }
.code pre { margin: 0; padding: 44px 16px 16px; font: 12.5px/1.8 var(--mono); overflow-x: auto; }
.code .btn { position: absolute; top: 10px; right: 10px; }
.kw { color: var(--purple); } .fn { color: var(--blue); } .str { color: var(--amber); }

footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 28px 16px; font-size: 13px; color: var(--muted); }
footer .brand { font-size: 16px; color: var(--text); }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--accent); color: var(--accent-ink); padding: 10px 18px; border-radius: 8px; font-weight: 600; opacity: 0; transition: opacity .2s; pointer-events: none; }
.toast.show { opacity: 1; }

@media (max-width: 900px) {
  .hero .wrap, .integrate { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .arrow { transform: rotate(90deg); justify-self: center; }
  .approach { grid-template-columns: 1fr; }
  .live-pill .when { display: none; }
}
@media (max-width: 560px) {
  .stat { border: 0; padding-right: 0; margin: 0 24px 12px 0; }
  .net { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before { animation: none !important; scroll-behavior: auto !important; }
}

/* insights */
#insights .lead { color: var(--muted); margin: 0 0 12px; max-width: 70ch; }
#insights .lead code { font: 13px var(--mono); color: var(--accent); }
.map-panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.map-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.map-note { font-size: 12px; color: var(--muted); }
.map-head .layers { flex-basis: 100%; }
.layers { display: flex; gap: 8px; flex-wrap: wrap; }
.layer { display: inline-flex; align-items: center; gap: 8px; min-height: 36px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line-2); background: transparent; color: var(--text); font: 500 13px var(--sans); cursor: pointer; }
.layer .swatch { width: 10px; height: 10px; border-radius: 50%; background: var(--c); }
.layer .n { font: 12px var(--mono); color: var(--muted); }
.layer[aria-pressed="false"] { color: var(--muted); }
.layer[aria-pressed="false"] .swatch { background: transparent; box-shadow: inset 0 0 0 2px var(--c); }
#map { height: 440px; background: #0e1626; }
.leaflet-container { font: 12px var(--sans); }
.leaflet-tile-pane { filter: invert(1) hue-rotate(200deg) brightness(.85) contrast(.85) saturate(.4); }
.leaflet-container .leaflet-control-attribution { background: color-mix(in srgb, var(--bg) 80%, transparent); color: var(--muted); }
.leaflet-control-attribution a { color: var(--text); }
.leaflet-bar a { background: var(--panel); color: var(--text); border-color: var(--line); }
.leaflet-bar a:hover { background: var(--panel-2); }
.leaflet-tooltip { background: var(--bg-2); color: var(--text); border: 1px solid var(--line-2); border-radius: 8px; box-shadow: 0 4px 16px rgb(0 0 0 / .4); }
.leaflet-tooltip-top::before, .leaflet-tooltip-bottom::before, .leaflet-tooltip-left::before, .leaflet-tooltip-right::before { display: none; }

.insight-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 16px; }
.icard { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.icard-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.icard-head h3 { margin: 0; font-size: 16px; font-weight: 600; }
.icard-head span { font-size: 12px; color: var(--muted); }
.istats { display: flex; gap: 32px; flex-wrap: wrap; }
.istat span { display: block; font-size: 12px; color: var(--muted); }
.istat b { font-size: 22px; font-weight: 600; }
.ichart h4 { margin: 0 0 10px; font-size: 13px; font-weight: 500; color: var(--muted); }
.bars { display: grid; gap: 2px; }
.bar-row { display: grid; grid-template-columns: 136px 1fr 48px; align-items: center; gap: 12px; padding: 4px 6px; margin: 0 -6px; border-radius: 6px; font-size: 13px; }
.bar-row:hover, .bar-row:focus-visible { background: var(--panel-2); }
.bar-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { height: 12px; }
.bar { display: block; height: 100%; min-width: 2px; background: #3987e5; border-radius: 0 4px 4px 0; }
.bar-val { font: 12px var(--mono); color: var(--muted); text-align: right; }
.cols-wrap { position: relative; padding-left: 40px; }
.y-tick { position: absolute; left: 0; bottom: -7px; font: 11px var(--mono); color: var(--muted); }
.y-tick.top { bottom: auto; top: -7px; }
.cols { display: flex; justify-content: center; align-items: flex-end; gap: 2px; height: 120px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line-2); }
.col-hit { flex: 1 1 0; max-width: 24px; height: 100%; display: flex; align-items: flex-end; cursor: default; }
.col { display: block; width: 100%; min-height: 1px; background: #3987e5; border-radius: 4px 4px 0 0; }
.col-hit:hover .col, .col-hit:focus-visible .col { filter: brightness(1.25); }
.cols-x { display: flex; justify-content: space-between; padding: 6px 0 0 40px; font: 11px var(--mono); color: var(--muted); }
.cols-x.single { justify-content: center; }
.chart-note { margin: 8px 0 0; font-size: 12px; color: var(--muted); }
.viz-table summary { cursor: pointer; font-size: 12px; color: var(--muted); }
.viz-table table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 13px; }
.viz-table th, .viz-table td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.viz-table th { color: var(--muted); font-weight: 500; }
.viz-tip { position: fixed; z-index: 1000; pointer-events: none; background: var(--bg-2); color: var(--text); border: 1px solid var(--line-2); border-radius: 8px; padding: 6px 10px; font-size: 12px; white-space: nowrap; box-shadow: 0 4px 16px rgb(0 0 0 / .4); opacity: 0; transition: opacity .1s; }
.viz-tip.show { opacity: 1; }
@media (max-width: 900px) {
  .insight-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  #map { height: 320px; }
  .bar-row { grid-template-columns: 112px 1fr 44px; }
}

/* demo page */
.demo-intro h1 { max-width: none; }
.demo-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 32px; align-items: start; }
.demo-panel h2 { font-size: 16px; margin: 0 0 12px; }
.demo-panel .tabs { margin-bottom: 28px; }
.run { width: 100%; justify-content: center; min-height: 52px; font-size: 16px; }
.run:disabled { opacity: .6; cursor: wait; }
.run-note { min-height: 24px; margin: 10px 0 24px; color: var(--amber); font-size: 14px; }
.wallets { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin: 0 0 8px; font-size: 14px; }
.wallets dt { color: var(--muted); }
.wallets dd { margin: 0; font-family: var(--mono); }
.wallets a, .tl a { color: var(--accent); text-decoration: underline; }
.small { font-size: 13px; }
.timeline { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 12px; }
.tl { display: flex; gap: 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.tl div { display: grid; gap: 2px; min-width: 0; }
.tl-icon { width: 28px; height: 28px; flex-shrink: 0; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: 13px; border: 1px solid var(--line-2); color: var(--muted); }
.tl-detail { font: 12.5px var(--mono); color: var(--muted); word-break: break-all; }
.tl.done .tl-icon { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.tl.failed .tl-icon { background: var(--amber); border-color: var(--amber); color: #2b1d00; }
.tl.running .tl-icon { border-color: var(--accent); border-top-color: transparent; color: transparent; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.result pre { min-height: 0; max-height: 420px; overflow: auto; }

@media (max-width: 900px) {
  .demo-grid { grid-template-columns: 1fr; }
}