/* FireWave Frequencies — editorial design system */
:root {
  --ink: #14110d;
  --ink-2: #28221c;
  --paper: #faf6ef;
  --paper-2: #f1e9da;
  --paper-3: #ebe2cf;
  --line: #e1d6c0;
  --line-2: #c8b994;
  --ember: #c2410c;
  --ember-2: #9a3412;
  --flame: #ea580c;
  --amber: #f59e0b;
  --signal: #047857;
  --muted: #6b6357;
  --muted-2: #8c8475;
  --shadow-sm: 0 1px 0 rgba(28,25,23,.05), 0 4px 14px -8px rgba(28,25,23,.18);
  --shadow-md: 0 1px 0 rgba(28,25,23,.06), 0 18px 40px -22px rgba(28,25,23,.35);
  --radius: 8px;
  --radius-lg: 14px;
  --maxw: 1200px;
  --serif: ui-serif, "Iowan Old Style", "Apple Garamond", Baskerville, "Source Serif 4", Georgia, "Times New Roman", serif;
  --display: "Bebas Neue", "Oswald", "Barlow Condensed", "Helvetica Neue Condensed", Impact, system-ui, sans-serif;
  --sans: ui-sans-serif, "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--serif);
  color: var(--ink);
  background: var(--paper);
  background-image:
    radial-gradient(1200px 400px at 50% -200px, rgba(234,88,12,.05), transparent 60%),
    radial-gradient(800px 300px at 100% 800px, rgba(245,158,11,.04), transparent 60%);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--ember); text-decoration: none; border-bottom: 1px solid rgba(194,65,12,.28); transition: color .15s, border-color .15s; }
a:hover { color: var(--ember-2); border-bottom-color: var(--ember-2); }
a.plain, a.bare { border-bottom: none; }

h1, h2, h3, h4 {
  font-family: var(--display);
  letter-spacing: .02em;
  color: var(--ink);
  margin: 0 0 .5em;
  line-height: 1.05;
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3.4rem); text-transform: uppercase; letter-spacing: .015em; }
h2 { font-size: clamp(1.4rem, 1.1rem + .9vw, 1.85rem); text-transform: uppercase; letter-spacing: .045em; }
h3 { font-size: 1.15rem; }
h2.section-eyebrow { font-size: .82rem; font-family: var(--sans); letter-spacing: .22em; color: var(--ember); font-weight: 700; margin-bottom: 12px; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

/* ---------- Top bar ---------- */
.topbar { background: linear-gradient(180deg, #1d1812 0%, #14110d 100%); color: var(--paper); border-bottom: 3px solid var(--ember); position: sticky; top: 0; z-index: 50; }
.topbar .container { display: flex; align-items: center; gap: 24px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
.brand { font-family: var(--display); font-size: 1.7rem; letter-spacing: .06em; color: var(--paper); border: 0; display: inline-flex; align-items: center; gap: 12px; line-height: 1; }
.brand .mark {
  display: inline-block; width: 26px; height: 26px;
  background:
    radial-gradient(circle at 30% 25%, #fde68a 0%, var(--amber) 30%, var(--ember) 65%, var(--ember-2) 100%);
  border-radius: 5px 5px 18px 5px;
  transform: rotate(-6deg);
  box-shadow: 0 0 0 2px rgba(255,255,255,.06), 0 0 24px -4px rgba(234,88,12,.55);
}
.brand strong { font-weight: 400; color: var(--amber); margin: 0 2px; }

.topnav { margin-left: auto; display: flex; gap: 22px; align-items: center; }
.topnav a { color: #ebe2cf; border: 0; font-family: var(--sans); font-size: .92rem; text-transform: uppercase; letter-spacing: .12em; }
.topnav a:hover { color: var(--amber); }

.searchbar { display: flex; gap: 6px; }
.searchbar input { padding: 9px 12px; border: 1px solid #2a2724; background: #1a1612; color: var(--paper); border-radius: var(--radius); font-family: var(--sans); font-size: .92rem; min-width: 220px; }
.searchbar input::placeholder { color: #8c8475; }
.searchbar input:focus { outline: none; border-color: var(--amber); box-shadow: 0 0 0 3px rgba(245,158,11,.18); }
.searchbar button { padding: 9px 14px; background: var(--ember); color: white; border: 0; border-radius: var(--radius); cursor: pointer; font-family: var(--sans); text-transform: uppercase; letter-spacing: .08em; font-size: .82rem; font-weight: 600; }
.searchbar button:hover { background: var(--ember-2); }

/* Mobile nav (CSS-only, via <details>) */
.menu-toggle { display: none; }
@media (max-width: 820px) {
  .topbar .container { gap: 12px; }
  .brand { font-size: 1.45rem; }
  .topnav { order: 4; flex-basis: 100%; gap: 18px; flex-wrap: wrap; }
  .searchbar { flex: 1; min-width: 0; order: 3; }
  .searchbar input { min-width: 0; flex: 1; }
}

/* ---------- Hero ---------- */
.hero { position: relative; background: #0c0a09; color: var(--paper); border-bottom: 1px solid #000; overflow: hidden; }
.hero-img { width: 100%; height: clamp(320px, 44vw, 460px); object-fit: cover; opacity: .42; display: block; filter: contrast(1.05) saturate(.95); }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(95deg, rgba(12,10,9,.92) 0%, rgba(12,10,9,.55) 55%, rgba(12,10,9,.15) 100%), linear-gradient(180deg, transparent 60%, rgba(12,10,9,.45) 100%); pointer-events: none; }
.hero-inner { position: absolute; inset: 0; display: flex; align-items: center; z-index: 2; }
.hero-inner .container { width: 100%; }
.hero h1 { color: var(--paper); max-width: 780px; text-shadow: 0 2px 30px rgba(0,0,0,.45); }
.hero p { font-size: clamp(1rem, .9rem + .4vw, 1.2rem); max-width: 640px; color: #efe6d8; }
.kicker { font-family: var(--sans); text-transform: uppercase; letter-spacing: .28em; font-size: .78rem; color: var(--amber); margin-bottom: 14px; display: inline-block; padding: 6px 12px; border: 1px solid rgba(245,158,11,.45); border-radius: 999px; background: rgba(245,158,11,.06); }
.hero-stats { display: flex; gap: 24px; margin-top: 22px; flex-wrap: wrap; }
.hero-stats .stat { font-family: var(--sans); }
.hero-stats .stat strong { display: block; font-family: var(--display); font-size: 1.8rem; color: var(--amber); letter-spacing: .03em; line-height: 1; }
.hero-stats .stat span { font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; color: #c8baa3; }

/* ---------- Layout ---------- */
main { padding: 36px 0 60px; }
.grid { display: grid; gap: 26px; }
.cols-2 { grid-template-columns: minmax(0, 2.05fr) minmax(0, 1fr); }
@media (max-width: 920px) { .cols-2 { grid-template-columns: 1fr; } }

/* ---------- Cards & lists ---------- */
.card { background: white; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px 24px; box-shadow: var(--shadow-sm); }
.card.tight { padding: 0; overflow: hidden; }
.card + .card { margin-top: 14px; }
.list-bare { list-style: none; padding: 0; margin: 0; }
.state-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 6px 18px; }
.state-grid a { display: block; padding: 8px 10px; border: 0; border-bottom: 1px dotted var(--line); }
.state-grid a:hover { background: var(--paper-2); }
.county-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 4px 16px; }
.county-grid a { display: block; padding: 6px 8px; border: 0; border-bottom: 1px dotted var(--line); font-size: .96rem; }
.county-grid a:hover { background: var(--paper-2); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips a { display: inline-block; padding: 6px 12px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 999px; color: var(--ink-2); font-family: var(--sans); font-size: .82rem; }
.chips a:hover { background: var(--paper-3); border-color: var(--line-2); color: var(--ember-2); }

/* ---------- Frequency table ---------- */
.freq-table { width: 100%; border-collapse: collapse; font-size: .96rem; }
.freq-table th, .freq-table td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.freq-table tr:last-child td { border-bottom: 0; }
.freq-table th { background: var(--paper-2); font-family: var(--sans); font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-weight: 600; }
.freq-table tbody tr:hover { background: #fffaf0; }
.freq-table td.freq, .freq { font-family: var(--mono); font-weight: 600; color: var(--ember-2); white-space: nowrap; font-variant-numeric: tabular-nums; font-size: .98em; }
.freq-table td a { font-weight: 500; }
.tag { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; font-family: var(--sans); background: var(--paper-2); color: var(--ink-2); border: 1px solid var(--line); font-weight: 600; }
.tag.fire { background: #fde6d3; color: #7c2d12; border-color: #f3c79c; }
.tag.ems { background: #d2f0e1; color: #064e3b; border-color: #9bd7b8; }
.tag.interop { background: #e3e0fb; color: #312e81; border-color: #c1bdf2; }

/* ---------- Sidebar ---------- */
.sidebar h3 { font-family: var(--sans); text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; color: var(--muted); margin-top: 0; font-weight: 700; }
.sidebar .card { margin-bottom: 18px; padding: 18px 20px; }
.sidebar .stat-list li { padding: 6px 0; border-bottom: 1px dotted var(--line); display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-family: var(--sans); font-size: .92rem; }
.sidebar .stat-list li:last-child { border-bottom: 0; }
.sidebar .stat-list strong { font-family: var(--display); font-size: 1.05rem; color: var(--ember-2); }

/* ---------- Breadcrumbs ---------- */
.crumbs { font-family: var(--sans); font-size: .82rem; color: var(--muted); margin: 0 0 18px; }
.crumbs a { color: var(--muted); border: 0; }
.crumbs a:hover { color: var(--ember); }
.crumbs span { margin: 0 6px; color: var(--muted-2); }

/* ---------- Footer ---------- */
footer { background: linear-gradient(180deg, #14110d, #0c0a09); color: var(--paper-2); padding: 44px 0 30px; margin-top: 60px; border-top: 4px solid var(--ember); }
footer a { color: var(--amber); border: 0; }
footer a:hover { color: #fde68a; }
footer .container { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr; gap: 36px; }
@media (max-width: 820px) { footer .container { grid-template-columns: 1fr 1fr; } footer .footer-about { grid-column: 1 / -1; } }
@media (max-width: 480px) { footer .container { grid-template-columns: 1fr; } }
footer h4 { font-family: var(--sans); font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; color: var(--paper); margin: 0 0 12px; font-weight: 700; }
footer ul { list-style: none; padding: 0; margin: 0; }
footer li { margin-bottom: 7px; font-family: var(--sans); font-size: .92rem; }
.tiny { font-size: .82rem; color: #a8a09a; line-height: 1.5; }

/* ---------- Prose ---------- */
.prose p { margin: 0 0 1em; }
.prose p:first-child::first-letter { font-family: var(--display); font-size: 3.2em; float: left; line-height: .85; padding: .04em .12em 0 0; color: var(--ember-2); }
.prose ul { margin: 0 0 1em 1.4em; padding: 0; }
.prose li { margin: .25em 0; }
.prose h2 + p::first-letter { font-size: 1em; float: none; padding: 0; color: inherit; font-family: inherit; }
blockquote { border-left: 4px solid var(--ember); padding: 8px 18px; color: var(--ink-2); background: var(--paper-2); margin: 22px 0; border-radius: 0 6px 6px 0; }

/* ---------- Section divider mark ---------- */
.divider { border: 0; height: 1px; background: var(--line); margin: 28px 0; position: relative; }
.divider::before { content: "·"; position: absolute; left: 50%; top: -.55em; transform: translateX(-50%); background: var(--paper); padding: 0 14px; color: var(--ember); font-size: 1.4rem; line-height: 1; }

/* ---------- Search/notice ---------- */
.search-section { margin-bottom: 28px; }
.search-section h2 { margin-top: 0; }
.notice { background: #fff7ed; border: 1px solid #fde2c4; padding: 14px 18px; border-radius: var(--radius); color: #7c2d12; font-size: .92rem; margin: 18px 0; line-height: 1.55; }
.muted { color: var(--muted); }
.meta-row { font-family: var(--sans); font-size: .9rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px 18px; margin: -.4em 0 1.2em; }
.meta-row strong { color: var(--ink-2); font-weight: 600; }
.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 22px; font-family: var(--sans); font-size: .92rem; }
.pager a { padding: 10px 16px; background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink-2); border-bottom-width: 1px; }
.pager a:hover { background: var(--paper-3); color: var(--ember-2); }
.pager .spacer { flex: 1; }

@media (max-width: 600px) {
  body { font-size: 16px; }
  .container { padding: 0 18px; }
  main { padding: 24px 0 40px; }
  .card { padding: 18px 18px; border-radius: 10px; }
  .freq-table th, .freq-table td { padding: 9px 10px; font-size: .9rem; }
  .hero-stats { gap: 18px; }
  .hero-stats .stat strong { font-size: 1.5rem; }
}