@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 600 800; font-display: swap; src: url("fonts/plus-jakarta-sans-latin.woff2") format("woff2"); }
@font-face { font-family: "Public Sans"; font-style: normal; font-weight: 400 700; font-display: swap; src: url("fonts/public-sans-latin.woff2") format("woff2"); }

/* Clear Sky: a deep-sky header, white cards on a cool ground, and the EPA's AQI colors doing the talking. */
:root {
  --ground: #f3f7fb; --surface: #ffffff; --surface-2: #f7fafd; --ink: #0d1b2a; --ink-2: #3d4b5c; --ink-3: #5a687d; --line: #dde5ee; --line-2: #eaf0f6;
  --sky-950: #061a43; --sky-900: #08245a; --sky-700: #0f4fb5; --sky-600: #1a63d6; --sky-500: #2f7ff0; --sky-100: #e4efff; --sky-50: #f0f6ff;
  --good: #19b36b; --mod: #f2c230; --usg: #ff8a1f; --unh: #e5383b; --vunh: #8e3fa8; --haz: #7e0023;
  --good-bg: #e4f7ee; --mod-bg: #fff7d6; --usg-bg: #fff1e3; --unh-bg: #fde8e8; --vunh-bg: #f3e8f8;
  --smoke: #b0703c; --smoke-bg: #f8ece3; --ozone: #3d7ff0; --ozone-bg: #e8f0ff; --pm: #b0703c; --o3: #3d7ff0;
  --bar-usg: #ffb15c; --bar-unh: #e5383b; --map0: #eef2f6;
  --r: 18px; --shadow: 0 1px 2px rgba(13,27,42,.06), 0 8px 24px rgba(13,27,42,.06); --shadow-hi: 0 2px 4px rgba(13,27,42,.06), 0 18px 40px rgba(13,27,42,.12);
  --display: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif; --body: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--ink); font: 400 16px/1.6 var(--body); font-variant-numeric: tabular-nums; }
@media (min-width: 900px) { body { font-size: 17px; } }
a { color: var(--sky-700); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--sky-500); outline-offset: 2px; border-radius: 6px; }
img { max-width: 100%; }
h1, h2, h3 { font-family: var(--display); font-weight: 800; letter-spacing: -0.02em; text-wrap: balance; margin: 0; color: var(--ink); }
h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.04; }
h2 { font-size: clamp(26px, 3.2vw, 36px); line-height: 1.12; }
h3 { font-size: 20px; line-height: 1.25; }
p { margin: 10px 0 0; }
.wrap { max-width: 1200px; margin: 0 auto; padding-inline: 20px; }
.sr { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.muted { color: var(--ink-3); } .small { font-size: 15px; }
.lede { color: var(--ink-2); font-size: 18px; max-width: 62ch; }
@media (min-width: 900px) { .lede { font-size: 19px; } }
.lede b { color: var(--ink); }
.note { color: var(--ink-2); max-width: 72ch; font-size: 15px; }
.src { color: var(--ink-3); font-size: 13px; margin-top: 16px; max-width: 90ch; }
.ic { width: 22px; height: 22px; flex: none; display: inline-block; }
.ic-sm { width: 18px; height: 18px; }
[hidden] { display: none !important; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--surface); color: var(--ink); padding: 8px 12px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 16px; }
.preview-note { background: var(--sky-950); color: #cfe0ff; font-size: 13px; text-align: center; padding: 6px 16px; }

/* ----- buttons, chips, search ----- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 700 15px/1 var(--display); border-radius: 999px; padding: 12px 18px; text-decoration: none; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; min-height: 44px; }
.btn:hover { border-color: var(--sky-500); color: var(--ink); }
.btn-primary { background: var(--sky-600); border-color: var(--sky-600); color: #fff; } .btn-primary:hover { background: var(--sky-700); color: #fff; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 13px; border-radius: 999px; font: 600 14px/1 var(--body); text-decoration: none; background: var(--surface); border: 1px solid var(--line); color: var(--ink); }
.chip:hover { border-color: var(--sky-500); color: var(--ink); }
.pill { display: inline-flex; align-items: center; gap: 8px; border-radius: 999px; padding: 8px 14px; font: 700 14px/1 var(--display); }
.pill-good { background: var(--good-bg); color: #0f7a48; } .pill-mod { background: var(--mod-bg); color: #8a6a00; } .pill-usg { background: var(--usg-bg); color: #9a4800; } .pill-unh { background: var(--unh-bg); color: #b3262a; }
.pill-plain { background: var(--surface-2); color: var(--ink-2); box-shadow: inset 0 0 0 1px var(--line); }
.pill-ozone { background: var(--ozone-bg); color: var(--sky-700); } .pill-smoke { background: var(--smoke-bg); color: #8a5228; }
input[type=search] { font: 500 16px var(--body); padding: 11px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--ink); width: 100%; }
.searchwrap { position: relative; }
.sugg { position: absolute; z-index: 30; left: 0; right: 0; top: 100%; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; margin-top: 6px; overflow: hidden; box-shadow: var(--shadow-hi); }
.sugg button { display: block; width: 100%; text-align: left; font: inherit; background: none; color: var(--ink); border: 0; padding: 11px 14px; cursor: pointer; }
.sugg button:hover, .sugg button:focus { background: var(--sky-50); }

/* ----- header ----- */
.bar { position: relative; z-index: 20; background: var(--surface); border-bottom: 1px solid var(--line); }
.bar .wrap { display: flex; align-items: center; gap: 22px; min-height: 68px; padding-block: 8px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 10px; font: 800 20px/1 var(--display); color: var(--ink); text-decoration: none; letter-spacing: -0.02em; }
.logo .mark { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: linear-gradient(135deg, #5fb0ff, #1d5fd6); color: #fff; }
.nav { display: flex; gap: 4px; }
.nav a { color: var(--ink-2); text-decoration: none; font: 600 15px/1 var(--body); padding: 10px 14px; border-radius: 999px; }
.nav a:hover, .nav a[aria-current] { background: var(--sky-100); color: var(--sky-700); }
.top-search { margin-left: auto; display: flex; align-items: center; gap: 8px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: 0 6px 0 14px; color: var(--ink-3); min-width: 250px; }
.top-search input { border: 0; background: none; padding: 10px 6px; min-width: 0; }
.top-search input:focus { outline: none; }
.top-search:focus-within { border-color: var(--sky-500); box-shadow: 0 0 0 3px rgba(47,127,240,.18); }
.hero-bar { background: transparent; border-bottom: 0; color: #fff; }
.hero-bar .logo, .hero-bar .nav a { color: #fff; } .hero-bar .nav a:hover, .hero-bar .nav a[aria-current] { background: rgba(255,255,255,.14); color: #fff; }
@media (max-width: 900px) { .nav { order: 4; width: 100%; overflow-x: auto; margin: 0 -6px; } .top-search { order: 5; width: 100%; margin: 0; min-width: 0; } }

/* ----- home hero ----- */
.home-top { background: radial-gradient(1200px 520px at 85% 0%, #3c8cff 0%, transparent 60%), linear-gradient(160deg, var(--sky-950) 0%, #0c3d94 55%, var(--sky-600) 100%); color: #fff; padding-bottom: 88px; }
.hero-grid { display: grid; gap: 36px; align-items: center; padding-top: 30px; }
@media (min-width: 980px) { .hero-grid { grid-template-columns: 1fr 1.12fr; } }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2); border-radius: 999px; padding: 7px 14px; font: 600 13px/1 var(--body); color: #fff; }
.eyebrow i { width: 8px; height: 8px; border-radius: 50%; background: #5ef2a3; box-shadow: 0 0 0 4px rgba(94,242,163,.25); }
.home-top h1 { color: #fff; font-size: clamp(42px, 5.8vw, 68px); line-height: 1.02; margin-top: 18px; }
.home-top .sub { font-size: 19px; color: #cfe0ff; max-width: 36ch; margin: 18px 0 0; }
.big-search { margin-top: 28px; display: flex; align-items: center; background: #fff; border-radius: 999px; padding: 6px; box-shadow: 0 20px 50px rgba(0,0,0,.25); max-width: 560px; }
.big-search label { flex: 1; display: flex; align-items: center; gap: 10px; padding-left: 14px; color: #5a687d; }
.big-search input { border: 0; background: none; font: 500 17px var(--body); padding: 12px 4px; color: #0d1b2a; }
.big-search input:focus { outline: none; }
.popular { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 14px; color: #b9cff7; }
.popular a { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.18); color: #fff; }
.popular a:hover { background: rgba(255,255,255,.2); color: #fff; }
.map-card { --map0: #eef2f6; --surface: #fff; --ink: #0d1b2a; --ink-3: #5a687d; background: #fff; color: #0d1b2a; border-radius: 24px; padding: 18px 18px 14px; box-shadow: 0 30px 80px rgba(0,0,0,.35); }
.map-card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.map-card-head b { font: 800 30px/1 var(--display); letter-spacing: -0.02em; }
.map-card-head span { color: #5a687d; font-size: 14px; }
.map-card .legend { color: #5a687d; }
.month-pills { display: grid; grid-template-columns: repeat(12, 1fr); gap: 3px; margin-top: 8px; }
.month-pills button { all: unset; cursor: pointer; text-align: center; font: 600 11px var(--body); color: #5a687d; padding: 7px 0; border-radius: 6px; }
.month-pills button[aria-pressed="true"] { background: #0d1b2a; color: #fff; }
.month-pills button:focus-visible { outline: 2px solid var(--sky-500); }
.map-card .county { stroke: #fff; }
.map-card .state-line { stroke: #fff; }

/* ----- stats strip ----- */
.stats { margin-top: -52px; position: relative; z-index: 2; display: grid; gap: 14px; }
@media (min-width: 860px) { .stats { grid-template-columns: repeat(3, 1fr); } }
.stat { background: var(--surface); border-radius: var(--r); padding: 20px 22px; box-shadow: var(--shadow); display: flex; gap: 16px; align-items: flex-start; text-decoration: none; color: var(--ink); }
.badge { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; flex: none; }
.badge-sm { width: 36px; height: 36px; border-radius: 11px; }
.stat b { font: 800 30px/1 var(--display); letter-spacing: -0.02em; display: block; }
.stat p { margin: 6px 0 0; color: var(--ink-2); font-size: 15px; }
.b-good { background: var(--good-bg); color: var(--good); } .b-mod { background: var(--mod-bg); color: #a77a00; } .b-usg { background: var(--usg-bg); color: var(--usg); } .b-unh { background: var(--unh-bg); color: var(--unh); }
.b-ozone { background: var(--ozone-bg); color: var(--ozone); } .b-smoke { background: var(--smoke-bg); color: var(--smoke); } .b-sky { background: var(--sky-100); color: var(--sky-700); } .b-plain { background: var(--line-2); color: var(--ink-2); }

/* ----- sections and cards ----- */
.sec { padding-top: 64px; }
.sec-head { display: flex; justify-content: space-between; align-items: end; gap: 12px 20px; flex-wrap: wrap; margin-bottom: 22px; }
.sec-head p { color: var(--ink-2); max-width: 60ch; margin: 8px 0 0; font-size: 17px; }
.card { background: var(--surface); border-radius: 22px; box-shadow: var(--shadow); padding: 22px 24px; }
.card h3 { display: flex; align-items: center; gap: 10px; }
.card .cap { color: var(--ink-3); font-size: 14px; margin: 4px 0 12px; }
.grid2 { display: grid; gap: 16px; } @media (min-width: 900px) { .grid2 { grid-template-columns: 1fr 1fr; } }
.grid3 { display: grid; gap: 16px; } @media (min-width: 760px) { .grid3 { grid-template-columns: repeat(2, 1fr); } } @media (min-width: 1040px) { .grid3 { grid-template-columns: repeat(3, 1fr); } }
.tool { background: var(--surface); border-radius: 22px; box-shadow: var(--shadow); overflow: hidden; text-decoration: none; color: var(--ink); display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
.tool:hover { transform: translateY(-3px); box-shadow: var(--shadow-hi); color: var(--ink); }
@media (prefers-reduced-motion: reduce) { .tool, .tool:hover { transition: none; transform: none; } }
.tool .art { height: 150px; display: grid; place-items: center; }
.tool .art svg { max-width: 82%; height: auto; }
.tool .txt { padding: 18px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.tool p { margin: 6px 0 0; color: var(--ink-2); font-size: 15px; }
.tool .go { margin-top: auto; padding-top: 12px; font: 700 14px var(--display); color: var(--sky-700); }
.art-warm { background: linear-gradient(135deg, #fff3e2, #ffe0e0); } .art-green { background: linear-gradient(135deg, #e7f7ef, #e4efff); } .art-mix { background: linear-gradient(135deg, #f7efe7, #e8f0ff); }
.art-mint { background: linear-gradient(135deg, #e6f8f1, #eaf6ff); } .art-violet { background: linear-gradient(135deg, #eef2ff, #fff2e6); } .art-sky { background: linear-gradient(135deg, #e4efff, #f3f7fb); }
.rrow { display: grid; grid-template-columns: 26px minmax(0, 1fr) 110px 58px; gap: 10px; align-items: center; padding: 9px 0; border-top: 1px solid var(--line-2); font-size: 15px; }
.rrow .n { color: var(--ink-3); font-weight: 600; } .rrow a { color: var(--ink); text-decoration: none; font-weight: 600; } .rrow a:hover { color: var(--sky-700); }
.rrow .meter { height: 8px; border-radius: 4px; background: var(--line-2); overflow: hidden; } .rrow .meter i { display: block; height: 100%; border-radius: 4px; }
.rrow b { text-align: right; font: 800 16px var(--display); }
@media (max-width: 480px) { .rrow { grid-template-columns: 22px minmax(0, 1fr) 60px 48px; } }
.gtile { display: flex; gap: 14px; align-items: center; background: var(--surface); border-radius: 18px; padding: 16px; text-decoration: none; color: var(--ink); box-shadow: var(--shadow); }
.gtile:hover { box-shadow: var(--shadow-hi); color: var(--ink); }
.gtile b { font: 700 16px/1.3 var(--display); display: block; } .gtile span { color: var(--ink-3); font-size: 13px; }
.state-chips { display: flex; flex-wrap: wrap; gap: 8px; }

/* ----- AQI faces and scale ----- */
.face { width: 46px; height: 46px; flex: none; display: block; }
.face-lg { width: 64px; height: 64px; }
.aqi-scale { display: grid; gap: 10px; }
@media (min-width: 900px) { .aqi-scale { grid-template-columns: repeat(5, 1fr); } }
.lvl { border-radius: 20px; padding: 18px; color: #0d1b2a; }
.lvl b { display: block; font: 800 18px var(--display); margin-top: 10px; } .lvl small { display: block; font-weight: 700; opacity: .7; }
.lvl p { margin: 8px 0 0; font-size: 15px; }
.lvl-good { background: #e4f7ee; } .lvl-mod { background: #fdf6dc; } .lvl-usg { background: #ffeedf; } .lvl-unh { background: #fde3e3; } .lvl-vunh { background: #f1e5f7; }

/* ----- footer ----- */
footer { margin-top: 88px; background: #071a3d; color: #b7c6e0; padding: 52px 0 40px; font-size: 14px; }
footer .logo { color: #fff; }
.foot-cols { display: grid; gap: 24px; }
@media (min-width: 900px) { .foot-cols { grid-template-columns: 1.3fr 1fr 1fr 1fr; } }
footer h2 { color: #fff; font: 700 14px var(--display); margin: 0 0 10px; letter-spacing: 0; }
footer ul { list-style: none; padding: 0; margin: 0; } footer li { margin: 7px 0; }
footer a { color: #b7c6e0; text-decoration: none; } footer a:hover { color: #fff; text-decoration: underline; }
footer .fine { margin-top: 28px; padding-top: 20px; border-top: 1px solid #1c3263; max-width: 90ch; }

/* ----- page heads (county, state, tools) ----- */
.page-head { background: linear-gradient(180deg, var(--surface) 0%, var(--ground) 100%); border-bottom: 1px solid var(--line); padding: 24px 0 30px; }
.crumbs { font-size: 14px; color: var(--ink-3); } .crumbs a { color: var(--ink-3); text-decoration: none; } .crumbs a:hover { color: var(--ink); }
.title-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 14px; margin-top: 10px; }
.title-row .meta { display: flex; gap: 8px; flex-wrap: wrap; }
.page-head .lede { margin-top: 12px; }
main { display: block; }

/* county top grid */
.c-grid { display: grid; gap: 16px; margin-top: 22px; }
@media (min-width: 980px) { .c-grid { grid-template-columns: 1.1fr 1fr 1fr; } .gauge-card { grid-row: span 2; } }
.gauge-card { background: var(--surface); border-radius: 24px; box-shadow: var(--shadow); padding: 22px; display: flex; flex-direction: column; align-items: center; text-align: center; }
.gauge-card .lab { font: 700 15px var(--body); color: var(--ink-3); align-self: flex-start; }
.gauge { width: 100%; max-width: 340px; display: block; }
.gauge text { fill: var(--ink-3); font: 12px var(--body); }
.gauge .needle { fill: var(--surface); stroke: var(--ink); }
.gauge-num { font: 800 64px/1 var(--display); letter-spacing: -0.03em; margin-top: -84px; }
.gauge-unit { color: var(--ink-2); font-weight: 600; margin-top: 4px; }
.gauge-card p { color: var(--ink-2); font-size: 15px; margin: 14px 0 0; max-width: 36ch; }
.kpi { background: var(--surface); border-radius: 20px; box-shadow: var(--shadow); padding: 18px 20px; display: flex; gap: 14px; }
.kpi b { font: 800 30px/1 var(--display); display: block; letter-spacing: -0.02em; }
.kpi { align-items: center; } .kpi .badge { width: 52px; height: 52px; border-radius: 16px; } .kpi .badge svg { width: 26px; height: 26px; }
.kpi > div > span { font-weight: 700; display: block; margin-top: 4px; line-height: 1.3; } .kpi small { color: var(--ink-3); font-size: 13px; display: block; margin-top: 3px; line-height: 1.4; }
.subnav { position: sticky; top: 0; z-index: 15; background: color-mix(in srgb, var(--ground) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.subnav .wrap { display: flex; gap: 4px; overflow-x: auto; padding-block: 10px; }
.subnav a { white-space: nowrap; text-decoration: none; color: var(--ink-2); font: 600 14px var(--body); padding: 8px 14px; border-radius: 999px; }
.subnav a { transition: background .15s, color .15s, box-shadow .15s; }
.subnav a:hover { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
.subnav a[aria-current] { background: var(--sky-100); color: var(--sky-700); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--sky-500) 30%, transparent); }
.c-sec { padding-top: 48px; scroll-margin-top: 70px; }
.c-sec > .lede { margin: 8px 0 18px; font-size: 17px; }

/* heat strip */
.heat { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 6px; }
.heat div { border-radius: 12px; padding: 10px 2px 8px; text-align: center; font-size: 12px; font-weight: 700; color: #1d2836; }
.heat div b { display: block; font: 800 17px var(--display); color: #0d1b2a; margin-top: 4px; }
.heat div.hot, .heat div.hot b { color: #fff; }
.heat svg { width: 18px; height: 18px; display: block; margin: 6px auto 0; }
@media (max-width: 640px) { .heat { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.key { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 13px; color: var(--ink-2); margin-top: 12px; }
.key span { display: inline-flex; align-items: center; gap: 6px; }
.key i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; }
.k-pm, .k-smoke { background: var(--pm); } .k-o3 { background: var(--o3); } .k-usg { background: var(--bar-usg); } .k-unh { background: var(--bar-unh); }

/* annotated charts */
.chart-card { background: var(--surface); border-radius: 22px; box-shadow: var(--shadow); padding: 18px 18px 14px; }
.achart { width: 100%; height: auto; display: block; }
.achart .grid { stroke: var(--line-2); } .achart .axis { stroke: var(--line); }
.achart .tick { fill: var(--ink-3); font: 13px var(--body); }
.achart .lbl { fill: var(--ink); font: 700 14px var(--body); }
.achart .lbl-o3 { fill: var(--ozone); font: 800 14px var(--display); letter-spacing: .06em; }
.achart .lbl-pm { fill: var(--smoke); font: 800 14px var(--display); letter-spacing: .06em; }
.achart .bracket-o3 { stroke: var(--ozone); } .achart .bracket-pm { stroke: var(--smoke); }
.achart .lead { stroke: var(--ink); }
.achart .b-usg { fill: var(--bar-usg); } .achart .b-unh { fill: var(--bar-unh); } .achart .m-o3 { fill: var(--o3); } .achart .m-pm { fill: var(--pm); }
.achart .dot { fill: var(--surface); stroke: var(--ink); stroke-width: 3; }

/* cause donut */
.donut-row { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.donut text { fill: var(--ink); } .donut .sub { fill: var(--ink-3); font: 13px var(--body); }
.dl { display: grid; gap: 12px; font-size: 15px; flex: 1 1 220px; } .dl div { display: flex; gap: 10px; align-items: center; } .dl i { width: 14px; height: 14px; border-radius: 4px; flex: none; }
.dl b { font: 800 22px var(--display); min-width: 54px; }

/* what helps: illustrated cards */
.helps { display: grid; gap: 16px; }
@media (min-width: 760px) { .helps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .helps { grid-template-columns: repeat(3, 1fr); } }
.help { background: var(--surface); border-radius: 22px; overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.help .ill { height: 140px; display: grid; place-items: center; }
.help .ill svg { height: 120px; width: auto; max-width: 90%; }
.help .t { padding: 16px 20px 20px; }
.help p { margin: 6px 0 0; color: var(--ink-2); font-size: 15px; }
.help a { font-weight: 700; font-size: 14px; display: inline-block; margin-top: 8px; }
.ill-sun { background: #fff4dc; } .ill-sky { background: #e8f2ff; } .ill-mint { background: #e9f7f1; } .ill-smoke { background: #f8ece3; } .ill-grey { background: #eef2f6; }

/* neighbors */
.nbr { display: grid; gap: 9px; }
.nbr div { display: grid; grid-template-columns: minmax(110px, 190px) 1fr 52px; gap: 12px; align-items: center; font-size: 15px; }
.nbr .track { height: 12px; background: var(--line-2); border-radius: 6px; overflow: hidden; } .nbr .track i { display: block; height: 100%; border-radius: 6px; }
.nbr .me { font-weight: 800; } .nbr a { color: var(--ink); } .nbr b { text-align: right; font-family: var(--display); }

/* questions */
details.q { background: var(--surface); border-radius: 16px; box-shadow: var(--shadow); padding: 16px 20px; margin-top: 10px; max-width: 900px; }
details.q summary { font: 700 17px var(--display); cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
details.q summary::-webkit-details-marker { display: none; }
details.q summary::after { content: "+"; color: var(--sky-700); font-size: 22px; line-height: 1; } details.q[open] summary::after { content: "−"; }
details.q p, details.q > div { color: var(--ink-2); margin: 10px 0 0; }

/* sister site, about data */
.sister { display: flex; gap: 14px; align-items: center; background: var(--surface); border-radius: 18px; box-shadow: var(--shadow); padding: 16px 18px; margin-top: 28px; max-width: 900px; }
.sister p { margin: 0; color: var(--ink-2); } .sister b { color: var(--ink); }
.about-data { max-width: 900px; } .about-data p { color: var(--ink-2); }

/* purifier picks */
.pick-grid { display: grid; gap: 14px; margin-top: 8px; }
@media (min-width: 760px) { .pick-grid { grid-template-columns: repeat(3, 1fr); } }
.pick { background: var(--surface); border-radius: 22px; box-shadow: var(--shadow); padding: 20px; display: flex; flex-direction: column; }
.pick-role { font: 700 12px/1.2 var(--body); letter-spacing: .06em; text-transform: uppercase; color: var(--sky-700); }
.pick h3 { margin-top: 6px; font-size: 19px; }
.pick-cadr { margin-top: 10px; color: var(--ink-2); } .pick-cadr b { font: 800 30px/1 var(--display); color: var(--ink); margin-right: 4px; }
.pick-facts { margin: 12px 0 0; display: grid; gap: 6px; font-size: 14px; }
.pick-facts div { display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px solid var(--line-2); padding-bottom: 6px; }
.pick-facts dt { color: var(--ink-3); } .pick-facts dd { margin: 0; font-weight: 700; }
.pick-why { font-size: 15px; color: var(--ink-2); flex: 1; }
.pick-btn { margin-top: 14px; }
.prose .pick-grid { grid-template-columns: 1fr; } @media (min-width: 700px) { .prose .pick-grid { grid-template-columns: repeat(3, 1fr); } }

/* tables */
.scroll { overflow-x: auto; }
table.data { border-collapse: separate; border-spacing: 0; width: 100%; background: var(--surface); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
table.data th, table.data td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line-2); }
table.data tr:last-child td { border-bottom: 0; }
table.data th { font-size: 13px; color: var(--ink-3); font-weight: 700; background: var(--surface-2); }
table.data .n { text-align: right; white-space: nowrap; }
table.data a { color: var(--ink); font-weight: 600; text-decoration: none; } table.data a:hover { color: var(--sky-700); text-decoration: underline; }
.meter { display: inline-block; width: 90px; height: 8px; background: var(--line-2); border-radius: 4px; margin-right: 10px; vertical-align: 1px; overflow: hidden; }
.meter i { display: block; height: 100%; border-radius: 4px; }
.mt-good { background: var(--good); } .mt-mod { background: var(--mod); } .mt-usg { background: var(--usg); } .mt-unh { background: var(--unh); }
.num { display: inline-block; min-width: 3.2em; text-align: right; font-family: var(--display); font-weight: 700; }
@media (max-width: 600px) { .hide-sm { display: none; } .meter { width: 46px; } }
.st-find { max-width: 380px; margin: 4px 0 14px; }

/* ----- prose: guides and about pages ----- */
.doc { display: grid; gap: 32px; padding-top: 28px; }
@media (min-width: 1040px) { .doc { grid-template-columns: minmax(0, 720px) 1fr; } }
.prose { max-width: 720px; }
.prose h2 { font-size: 26px; margin-top: 40px; } .prose h3 { margin-top: 26px; }
.prose li { margin: 6px 0; }
.prose table { border-collapse: separate; border-spacing: 0; width: 100%; font-size: 15px; margin-top: 14px; background: var(--surface); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; }
.prose th, .prose td { border-bottom: 1px solid var(--line-2); padding: 10px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--surface-2); font-size: 13px; color: var(--ink-3); }
.prose blockquote { margin: 16px 0; padding: 4px 16px; border-left: 3px solid var(--sky-500); color: var(--ink-2); }
.short { background: var(--sky-50); border: 1px solid var(--sky-100); border-radius: 20px; padding: 18px 20px; margin-top: 22px; display: flex; gap: 14px; }
.short strong { font: 800 13px/1.2 var(--display); letter-spacing: .06em; text-transform: uppercase; color: var(--sky-700); display: block; }
.short p { margin-top: 6px; }
.byline { display: flex; gap: 8px 16px; flex-wrap: wrap; font-size: 14px; color: var(--ink-3); margin-top: 14px; }
.byline a { color: var(--ink-3); }
.aside-card { background: var(--surface); border-radius: 22px; box-shadow: var(--shadow); padding: 20px; position: sticky; top: 20px; }
.aside-card h2 { font-size: 18px; } .aside-card ul { list-style: none; padding: 0; margin: 10px 0 0; } .aside-card li { margin: 8px 0; }
.aside-card a { text-decoration: none; font-weight: 600; } .aside-card a:hover { text-decoration: underline; }
.sources { font-size: 14px; color: var(--ink-2); } .sources h2 { font-size: 20px; }

/* ----- map engine (map page and tools) ----- */
.mapbox { position: relative; }
.map-svg { width: 100%; height: auto; display: block; }
.county { stroke: var(--surface); stroke-width: 0.25; fill: var(--map0); transition: fill .4s ease, opacity .25s; cursor: pointer; }
@media (prefers-reduced-motion: reduce) { .county { transition: none; } }
.county:hover { stroke: var(--ink); stroke-width: 1; }
.county.dim { opacity: .15; }
.state-line { fill: none; stroke: var(--surface); stroke-width: 1.1; pointer-events: none; }
.nation-line { fill: none; stroke: var(--ink-3); stroke-width: 0.6; opacity: .45; pointer-events: none; }
.hi-layer path { fill: none; stroke: var(--ink); stroke-width: 2.4; pointer-events: none; }
.hi-layer .sel-0 { stroke: var(--sky-500); } .hi-layer .sel-1 { stroke: #c2652a; } .hi-layer .sel-2 { stroke: var(--vunh); }
.tip { position: absolute; z-index: 10; pointer-events: none; background: var(--surface); color: var(--ink); border-radius: 12px; padding: 9px 12px; font-size: 13px; line-height: 1.45; box-shadow: var(--shadow-hi); max-width: 260px; }
.tip .muted { color: var(--ink-3); }
@media (hover: none) { .tip { display: none; } }
.legend { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 13px; color: var(--ink-3); margin-top: 10px; }
.legend i { display: inline-block; width: 14px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.seg { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--line); border-radius: 999px; padding: 4px; background: var(--surface); }
.seg button { font: 600 14px/1 var(--body); color: var(--ink-2); background: none; border: 0; border-radius: 999px; padding: 10px 15px; cursor: pointer; min-height: 38px; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--ground); }
.tabs { display: flex; gap: 6px; margin-top: 20px; overflow-x: auto; }
.tabs button { font: 700 15px/1 var(--display); background: var(--surface); border: 1px solid var(--line); color: var(--ink-2); padding: 12px 18px; border-radius: 999px; cursor: pointer; white-space: nowrap; min-height: 44px; display: inline-flex; gap: 8px; align-items: center; }
.tabs button[aria-selected="true"] { background: var(--sky-600); border-color: var(--sky-600); color: #fff; }
.mp { display: grid; gap: 20px 24px; margin-top: 18px; }
@media (min-width: 980px) { .mp { grid-template-columns: minmax(0, 1fr) 340px; } }
.mp-bar { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; }
.mp-stat { flex-basis: 100%; margin: 4px 0 0; color: var(--ink-2); display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: baseline; }
.mp-stat b { color: var(--ink); }
.mp-big { font: 800 32px/1 var(--display); letter-spacing: -0.02em; }
.mp-map { background: var(--surface); border-radius: 22px; box-shadow: var(--shadow); padding: 12px; margin-top: 12px; }
.mp-loading { padding: 120px 0; text-align: center; color: var(--ink-3); }
.dial { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 4px; margin-top: 12px; }
.dial button { all: unset; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 12px; color: var(--ink-3); min-height: 44px; }
.dial .bar { width: 100%; height: 46px; border-radius: 6px 6px 2px 2px; background: var(--line-2); position: relative; overflow: hidden; }
.dial .bar i { position: absolute; left: 0; right: 0; bottom: 0; }
.dial button[aria-pressed="true"] { color: var(--ink); font-weight: 700; }
.dial button[aria-pressed="true"] .bar { outline: 2px solid var(--ink); outline-offset: 1px; }
.slider { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; margin-top: 12px; font-size: 13px; color: var(--ink-3); }
.slider input { width: 100%; accent-color: var(--sky-500); }
.bi-wrap { display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center; margin-top: 12px; }
.bi-wrap > div:last-child { flex: 1 1 220px; } .bi-name { font: 800 19px/1.2 var(--display); margin: 0; }
.bi { display: grid; grid-template-columns: 20px repeat(3, 56px); grid-auto-rows: 44px; gap: 4px; }
.bi button { border: 2px solid transparent; border-radius: 8px; cursor: pointer; }
.bi button[aria-pressed="true"] { border-color: var(--ink); }
.bi .ax { font-size: 11px; color: var(--ink-3); display: flex; align-items: center; justify-content: center; }
.bi .ay { writing-mode: vertical-rl; transform: rotate(180deg); }
.bi-lg { grid-template-columns: 20px repeat(3, minmax(0, 1fr)); grid-auto-rows: 52px; margin-top: 8px; }
.mp-side { background: var(--surface); border-radius: 22px; box-shadow: var(--shadow); padding: 18px; align-self: start; }
@media (min-width: 980px) { .mp-side { position: sticky; top: 16px; } }
.mp-side h2 { font-size: 22px; margin: 16px 0 0; }
.mp-empty { margin-top: 14px; color: var(--ink-2); }
.linkish { font: inherit; background: none; border: 0; padding: 0; color: var(--sky-700); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.ring-svg { width: 100%; max-width: 260px; display: block; margin: 6px auto 0; }
.ring-svg .ring { fill: none; stroke: var(--line-2); }
.ring-n { font: 800 22px var(--display); fill: var(--ink); }
.r-pm { fill: var(--pm); } .r-o3 { fill: var(--o3); }
.ring-svg .tick, .strip-svg .tick { fill: var(--ink-3); font: 11px var(--body); }
.strip-svg { width: 100%; display: block; margin-top: 6px; }
.mp-lede { font-size: 15px; color: var(--ink-2); } .mp-lede b { color: var(--ink); }
.mp-key { display: flex; gap: 14px; font-size: 13px; color: var(--ink-2); margin-top: 8px; }
.mp-key i { display: inline-block; width: 11px; height: 11px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.mp-key .k-pm { background: var(--pm); } .mp-key .k-o3 { background: var(--o3); }
.mp-verdict { background: var(--sky-50); border-radius: 14px; padding: 12px 14px; font-size: 15px; }
.mp-go { display: flex; justify-content: center; margin-top: 12px; }
.why { font: 700 11px/1 var(--body); font-style: normal; text-transform: uppercase; letter-spacing: .05em; padding: 4px 7px; border-radius: 5px; margin-right: 10px; vertical-align: 2px; }
.why-particles { background: var(--smoke-bg); color: #84501f; } .why-ozone { background: var(--ozone-bg); color: var(--sky-700); }
.facts { display: grid; gap: 14px; margin-top: 22px; }
@media (min-width: 800px) { .facts { grid-template-columns: repeat(3, 1fr); } }
.ss { display: grid; gap: 20px 24px; margin-top: 18px; }
@media (min-width: 980px) { .ss { grid-template-columns: minmax(0, 1fr) 340px; } }
.key-cap { font: 700 12px/1.3 var(--body); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); margin-top: 16px; }
.todo { padding-left: 18px; margin: 8px 0 0; color: var(--ink-2); font-size: 15px; } .todo li { margin: 5px 0; }
.sw { display: inline-block; width: 14px; height: 14px; border-radius: 4px; margin-right: 8px; vertical-align: -2px; }
.fd { display: grid; gap: 20px 24px; margin-top: 18px; }
@media (min-width: 1000px) { .fd { grid-template-columns: 310px minmax(0, 1fr); } }
.fd-ctl { background: var(--surface); border-radius: 22px; box-shadow: var(--shadow); padding: 18px; display: grid; gap: 18px; }
.fd-ctl label, .fd-ctl .lab { font-weight: 700; font-size: 15px; display: block; }
.fd-ctl output { color: var(--sky-700); font-weight: 800; }
.fd-ctl small { display: block; color: var(--ink-3); font-size: 13px; margin-top: 2px; }
.fd-ctl input[type=range] { width: 100%; accent-color: var(--sky-500); }
.chips2 { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.chips2 button { font: 600 13px/1 var(--body); border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); border-radius: 999px; padding: 10px 13px; cursor: pointer; min-height: 38px; }
.chips2 button[aria-pressed="true"] { background: var(--sky-600); border-color: var(--sky-600); color: #fff; }
.fd-sum { font-size: 18px; margin: 0 0 6px; } .fd-sum b { font: 800 26px/1 var(--display); }
.res { display: grid; gap: 10px; margin-top: 14px; }
@media (min-width: 700px) { .res { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1200px) { .res { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.rc { background: var(--surface); border-radius: 16px; box-shadow: var(--shadow); padding: 12px 14px; display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; }
.rc-n { font-weight: 700; } .rc-n a { color: var(--ink); } .rc-pop { color: var(--ink-3); font-size: 13px; grid-column: 1; }
.rc-d { grid-row: 1 / span 2; grid-column: 2; text-align: right; font-size: 13px; color: var(--ink-2); align-self: center; }
.rc-d b { display: block; font: 800 20px/1 var(--display); color: var(--ink); }
.cmp-head { display: grid; gap: 12px 32px; }
@media (min-width: 900px) { .cmp-head { grid-template-columns: 1fr 380px; align-items: end; } }
.cmp-cards { display: grid; gap: 16px; margin-top: 20px; }
@media (min-width: 900px) { .cmp-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.cmp { background: var(--surface); border-radius: 22px; box-shadow: var(--shadow); padding: 18px; position: relative; border-top: 5px solid var(--sky-500); }
.cmp.c1 { border-top-color: #c2652a; } .cmp.c2 { border-top-color: var(--vunh); }
.cmp h2 { font-size: 20px; padding-right: 44px; } .cmp h2 a { color: var(--ink); text-decoration: none; }
.cmp-x { position: absolute; top: 12px; right: 12px; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); font-size: 20px; cursor: pointer; }
.cmp-empty { border: 2px dashed var(--line); border-radius: 22px; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--ink-3); min-height: 200px; padding: 16px; }
.trend-svg { width: 100%; height: auto; display: block; }
.trend-svg .grid { stroke: var(--line-2); } .trend-svg .tick { fill: var(--ink-3); font: 12px var(--body); } .trend-svg .cur { stroke: var(--ink); stroke-width: 1.5; }
.trend-svg .ann { fill: var(--ink); font: 700 13px var(--body); } .trend-svg .lead { stroke: var(--ink); }
.home-search-mini { max-width: 420px; }
.playing .county { transition: none; }
.glegend { width: 100%; max-width: 520px; }
.gbar { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; height: 10px; border-radius: 5px; overflow: hidden; }
.gbar i { display: block; }
.glabs { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; font-size: 12px; color: var(--ink-3); margin-top: 4px; }
.glabs span { white-space: nowrap; }
.legend .gbar i { width: auto; height: 100%; margin: 0; border-radius: 0; display: block; } .legend .glegend { flex: 1 1 100%; }

/* Playback labels change every frame, so their space is reserved: the map below must never move. */
.mp-stat { display: grid; grid-template-columns: auto minmax(0, 1fr); column-gap: 16px; align-items: baseline; flex-wrap: nowrap; }
.mp-stat > span { min-height: 3.2em; }
.mp-big { min-width: 5.4em; white-space: nowrap; }
@media (max-width: 640px) {
  .mp-stat { grid-template-columns: 1fr; row-gap: 4px; }
  .mp-big { min-width: 0; }
  .mp-stat > span { min-height: 4.8em; }
}
.map-card-head { flex-wrap: nowrap; }
.map-card-head b { min-width: 5.2em; white-space: nowrap; }
.map-card-head span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.mp-stat > span:only-child { grid-column: 1 / -1; }
/* On phones the play button's label changes length mid-play; give each control its own row so the map never moves. */
@media (max-width: 640px) { .mp-bar { display: grid; justify-items: start; } .mp-bar > .mp-stat { justify-self: stretch; } }

/* Month tiles, month bars and year bars: hover to read the numbers; the other months fade back. */
.chart-card { position: relative; }
.heat div { cursor: default; transition: transform .15s, box-shadow .15s, opacity .2s; outline-offset: 3px; }
.heat div:hover, .heat div.on { transform: translateY(-3px); box-shadow: 0 6px 16px rgba(13,27,42,.16); }
.chart-card.focus .heat div:not(.on) { opacity: .45; }
.heat svg.k-sun { color: var(--o3); } .heat svg.k-dust { color: var(--pm); } .heat .hot svg { color: #fff; }
.heat-key { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: center; font-size: 13px; color: var(--ink-2); margin-top: 12px; }
.heat-key span { display: inline-flex; align-items: center; gap: 6px; }
.heat-key .hk-scale { gap: 3px; } .heat-key .hk-scale i { width: 16px; height: 12px; border-radius: 3px; box-shadow: inset 0 0 0 1px rgba(13,27,42,.08); }
.heat-key .hk-scale i:first-of-type { margin-left: 5px; } .heat-key .hk-scale i:last-of-type { margin-right: 5px; }
.heat-key svg { width: 15px; height: 15px; } .heat-key .k-sun { color: var(--o3); } .heat-key .k-dust { color: var(--pm); }
.month-chart { margin-top: 18px; }
.achart .hit { fill: transparent; }
.achart .col rect:not(.hit) { transition: opacity .2s; }
.chart-card.focus .achart .col:not(.on) rect:not(.hit) { opacity: .3; }
.achart .col.on .hit { fill: var(--line-2); opacity: .45; }
.achart .mname { font-weight: 700; } .achart .col.on .mname, .achart .col.on .tick { fill: var(--ink); }
.tip { position: absolute; z-index: 5; transform: translateX(-50%); pointer-events: none; background: var(--ink); color: var(--surface); border-radius: 12px; padding: 10px 13px; font-size: 13px; line-height: 1.4; width: max-content; max-width: 230px; box-shadow: var(--shadow-hi); }
.tip::after { content: ""; position: absolute; left: 50%; bottom: -6px; margin-left: -6px; border: 6px solid transparent; border-bottom: 0; border-top-color: var(--ink); }
.tip b { display: block; font: 800 12px var(--display); letter-spacing: .06em; text-transform: uppercase; opacity: .75; }
.tip .tip-big { display: block; font: 800 20px/1.2 var(--display); margin-top: 2px; }
.tip .tip-row { display: flex; align-items: center; gap: 6px; margin-top: 4px; font-weight: 600; }
.tip i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
@media (hover: none) { .heat div:hover { transform: none; box-shadow: none; } }
.tip.below::after { bottom: auto; top: -6px; border-top: 0; border-bottom: 6px solid var(--ink); }
/* Phones get the narrow chart drawings, with text sized for a small screen. */
.achart.sm { display: none; }
@media (max-width: 640px) {
  .achart.lg { display: none; } .achart.sm { display: block; }
  .achart.sm .tick { font-size: 21px; } .achart.sm .lbl { font-size: 22px; }
  .achart.sm .lbl-o3, .achart.sm .lbl-pm { font-size: 21px; }
}
@media (max-width: 640px) { .nbr { gap: 12px; } .nbr div { grid-template-columns: 1fr 44px; row-gap: 4px; } .nbr div > :first-child { grid-column: 1 / -1; } }

/* AQI scale strip on county pages: six equal bands, higher is worse, with the county's typical and worst days pinned. */
.aqi-strip { grid-column: 1 / -1; background: var(--surface); border-radius: 22px; box-shadow: var(--shadow); padding: 18px 22px 16px; margin-top: 16px; }
.as-head { display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: baseline; }
.as-head b { font: 800 16px var(--display); } .as-head span { color: var(--ink-2); font-size: 14px; } .as-head strong { color: var(--ink); }
.as-track { margin-top: 6px; }
.as-scale { position: relative; padding-top: 40px; }
.as-bar { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); height: 14px; border-radius: 7px; overflow: hidden; }
.as-bar i { display: block; }
.as-bar .lvl-good { background: #19b36b; } .as-bar .lvl-mod { background: #f2c230; } .as-bar .lvl-usg { background: #ff8a1f; }
.as-bar .lvl-unh { background: #e5383b; } .as-bar .lvl-vunh { background: #8f3f97; } .as-bar .lvl-haz { background: #7e0023; }
.as-line { position: absolute; left: 33.333%; top: 0; bottom: 0; width: 3px; margin-left: -1.5px; background: var(--surface); }
.as-pin { position: absolute; top: 0; bottom: 0; width: 0; pointer-events: none; z-index: 1; }
.as-pin::before { content: ""; position: absolute; left: -1px; top: 26px; bottom: 7px; width: 2px; background: var(--ink); }
.as-pin::after { content: ""; position: absolute; left: -9px; bottom: -2px; width: 12px; height: 12px; border-radius: 50%; background: var(--surface); border: 3px solid var(--ink); }
.as-tag { position: absolute; top: 2px; white-space: nowrap; font-size: 13px; color: var(--ink-2); font-weight: 600; }
.as-tag b { font: 800 16px var(--display); color: var(--ink); margin-left: 2px; }
.as-left .as-tag { right: 8px; } .as-right .as-tag { left: 8px; }
.as-labs { display: grid; grid-template-columns: repeat(6, 1fr); margin-top: 8px; font-size: 12px; color: var(--ink-3); line-height: 1.3; }
.as-labs span { padding-right: 6px; } .as-labs b { display: block; color: var(--ink-2); font-size: 13px; } .as-labs small { display: block; font-size: 12px; }
.as-ticks { display: none; }
@media (max-width: 640px) {
  .aqi-strip { padding: 16px 16px 14px; }
  .as-ticks { display: block; position: relative; height: 16px; margin-top: 4px; font-size: 11px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
  .as-ticks span { position: absolute; transform: translateX(-50%); } .as-ticks span:first-child { transform: none; } .as-ticks span:last-child { transform: translateX(-100%); }
  .as-ticks .t100 { color: var(--ink); font-weight: 700; }
  .as-labs { margin-top: 2px; } .as-labs small { display: none; } .as-labs b { font-size: 11px; line-height: 1.25; }
}
.as-pin.as-worst::after { background: var(--ink); border-color: var(--surface); box-shadow: 0 0 0 2px var(--ink); }
.aqi-strip.as-legend .as-pin::before { display: none; }
.aqi-strip.as-legend .as-tag { display: inline-flex; align-items: center; gap: 4px; }
.aqi-strip.as-legend .as-tag::before { content: ""; width: 8px; height: 8px; border-radius: 50%; border: 2.5px solid var(--ink); background: var(--surface); margin-right: 2px; }
.aqi-strip.as-legend .as-worst .as-tag::before { background: var(--ink); }
.aqi-strip.as-legend .as-scale { padding-top: 34px; }
.dl.partial p { margin: 0 0 10px; } .dl.partial p:last-child { margin: 0; }
.tool .txt h2 { font-size: 20px; line-height: 1.25; }
.hero-grid > * { min-width: 0; } .map-card { min-width: 0; max-width: 100%; }

/* ======== Review fixes, lane A (map tools, search, home). Add lane A rules below this line. ======== */

/* Search match list (find.js combobox), shared by the header, the home hero and the map pages. */
.top-search, .big-search label { position: relative; }
ul.sugg { list-style: none; padding: 4px 0; margin: 6px 0 0; color: var(--ink); text-align: left; min-width: 260px; }
.sugg [role=option] { padding: 10px 14px; cursor: pointer; font: 500 15px/1.35 var(--body); }
.sugg [role=option] .muted { display: block; font-size: 13px; }
.sugg [role=option]:hover, .sugg [role=option][aria-selected="true"] { background: var(--sky-50); }
.sugg [role=option][aria-selected="true"] { box-shadow: inset 3px 0 0 var(--sky-600); }
.sugg .none { padding: 10px 14px; font-size: 14px; color: var(--ink-2); }
.big-search .sugg { left: -14px; right: auto; width: min(420px, calc(100vw - 48px)); top: calc(100% + 6px); }
.big-search:focus-within { box-shadow: 0 0 0 3px #8fc1ff, 0 20px 50px rgba(0,0,0,.25); }
.big-search button { flex: none; }
@media (max-width: 480px) {
  .big-search { flex-direction: column; align-items: stretch; border-radius: 22px; gap: 6px; }
  .big-search label { padding: 0 8px; }
  .big-search .btn { width: 100%; }
  .big-search .sugg { left: 0; width: 100%; }
}

/* Home: the header stays outside <main> (banner landmark, working skip link) and sits over the hero gradient. */
.is-home .bar.hero-bar { position: absolute; left: 0; right: 0; }
.is-home .hero-bar .wrap { height: 68px; flex-wrap: nowrap; }
.is-home .home-top { padding-top: 68px; }
@media (max-width: 900px) {
  .is-home .hero-bar .wrap { height: 112px; flex-wrap: wrap; align-content: center; row-gap: 6px; }
  .is-home .home-top { padding-top: 112px; }
}

/* Home map card: month name, Pause button, and a caption that wraps on phones instead of being cut off. */
.map-card-head { flex-wrap: wrap; align-items: center; }
.map-card-head span { white-space: normal; overflow: visible; flex: 1 1 100%; order: 3; }
.hm-play { margin-left: auto; font: 700 14px/1 var(--display); color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 0 14px; min-height: 40px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.hm-play:hover { border-color: var(--sky-500); }
/* Room for what the script adds (Pause button, month buttons, legend), so the hero doesn't shift when it loads. */
.map-card-head b { min-height: 40px; display: inline-flex; align-items: center; }
#hm-months { min-height: 26px; } #hm-legend { min-height: 33px; }
@media (max-width: 640px) { #hm-months { min-height: 92px; } }
@media (max-width: 640px) {
  .month-pills { grid-template-columns: repeat(6, 1fr); gap: 4px; }
  .month-pills button { font-size: 13px; padding: 0; min-height: 44px; display: grid; place-items: center; }
}

/* AQI legend on the home page: the sixth band. */
@media (min-width: 560px) and (max-width: 899px) { .aqi-scale { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .aqi-scale { grid-template-columns: repeat(6, 1fr); } }
.lvl-haz { background: #f5e1e6; }
.face-haz > circle:first-child { fill: #7e0023; }
.face-haz > circle:not(:first-child) { fill: #fff; }

/* Map boxes keep the map's shape before it draws, so nothing jumps when it loads. */
.mapbox { aspect-ratio: 975 / 610; }
.mapbox .mp-loading { position: absolute; inset: 0; margin: 0; padding: 0; display: grid; place-items: center; }
.mp-main .mp-bar { min-height: 132px; align-content: flex-start; }
@media (max-width: 640px) { .mp-main .mp-bar { min-height: 230px; } }
.mp-main .mp-bar[data-view="kind"] { min-height: 0; }

/* /map/ view buttons: wrap on phones instead of hiding the last one. */
.mp-tabs { flex-wrap: wrap; overflow: visible; }
.tabs button[aria-pressed="true"] { background: var(--sky-600); border-color: var(--sky-600); color: #fff; }
.dial button:focus-visible { outline: 3px solid var(--sky-500); outline-offset: 2px; border-radius: 6px; }
.mp-onekey { margin-top: 10px; }
.mp-kind { margin-top: 6px; }
.mp-warn { background: var(--usg-bg); color: var(--ink); border-radius: 12px; padding: 10px 12px; }

/* Smoke-or-smog key: each square says what it is, so the colors aren't the only cue. */
.bi .ax { font-size: 13px; }
.bi button { display: grid; place-items: center; padding: 2px; }
.bi button span { font: 700 11px/1.15 var(--body); color: var(--ink); text-align: center; }
.bi button.on-dark span { color: #fff; }
.bi:not(.bi-lg) button span { display: none; }

/* Particles get stripes as well as a color, so the stacked parts read apart in grayscale. */
.hatch-bg { fill: var(--pm); } .hatch-ln { stroke: rgba(255,255,255,.55); stroke-width: 1.6; }
.ring-svg .r-o3, .strip-svg .r-o3 { stroke: var(--surface); stroke-width: 1; }
.mp-key .k-pm { background: repeating-linear-gradient(45deg, var(--pm) 0 3px, #dcb995 3px 4.5px); }
.ring-by { font-size: 12px; }

/* A tapped or searched county's numbers, under the map (for touch, keyboard and screen readers). */
.mp-pick { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; justify-content: space-between; background: var(--sky-50); border-radius: 16px; padding: 12px 16px; margin-top: 10px; font-size: 15px; }
.mp-pick > div { flex: 1 1 260px; }
.mp-pick .tip-big { display: inline; }
.tr-find { flex: 1 1 240px; max-width: 340px; margin-left: auto; }
.fd section > .searchwrap { max-width: 360px; margin: 6px 0 0; }
.fd-src { margin: 12px 4px 0; }
.chart-data { margin-top: 12px; font-size: 14px; }
.chart-data summary { cursor: pointer; font-weight: 700; color: var(--sky-700); }
.chart-data table { margin-top: 10px; font-size: 14px; }

/* Compare: the lead number, numbered cards and dots, and a smaller picker map with a legend. */
.cmp-lead { display: flex; align-items: center; gap: 12px; margin: 12px 0 0; }
.cmp-lead b { font: 800 44px/1 var(--display); letter-spacing: -0.03em; }
.cmp-lead span { font-weight: 700; line-height: 1.25; } .cmp-lead small { display: block; font-weight: 400; color: var(--ink-3); font-size: 13px; }
.cmp-num { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--sky-500); color: #fff; font: 800 14px/1 var(--display); margin-right: 8px; vertical-align: 3px; }
.cmp.c1 .cmp-num { background: #c2652a; } .cmp.c2 .cmp-num { background: var(--vunh); }
.cmp-cards { min-height: 420px; }
.cmp-key { margin-top: 18px; flex-wrap: wrap; gap: 6px 18px; }
.cmp-pick { margin-top: 36px; display: grid; gap: 10px 28px; align-items: start; }
@media (min-width: 980px) { .cmp-pick { grid-template-columns: 300px minmax(0, 1fr); } }
.cmp-pick h2 { font-size: 22px; }
.cmp-pick .mp-map { margin-top: 0; max-width: 680px; }
.cmp-pick .legend i { box-shadow: inset 0 0 0 1px var(--line); }
.mk circle { fill: var(--sky-500); stroke: #fff; stroke-width: 2.5; }
.mk-1 circle { fill: #c2652a; } .mk-2 circle { fill: var(--vunh); }
.mk text { fill: #fff; font-family: var(--display); font-weight: 800; }

/* (end of lane A section) */
/* Spacer between fix sections so separate edits merge cleanly. */
/* Spacer. */
/* Spacer. */

/* ======== Review fixes, lane B1 (county pages, charts). Add lane B1 rules below this line. ======== */
/* Dust (PM10) is a third cause. Sand is lighter than ozone blue and particle brown, and particles carry stripes,
   so the three stay apart without relying on hue. */
:root { --dust: #d9a640; --dust-ink: #8a6414; }
.achart .m-dust { fill: var(--dust); stroke: #a87a1f; stroke-width: 1; }
.achart .bracket-dust { stroke: #a87a1f; }
.achart .lbl-dust { fill: var(--dust-ink); font: 800 14px var(--display); letter-spacing: .06em; }
@media (max-width: 640px) { .achart.sm .lbl-dust { font-size: 21px; } }
.key .k-du, .dl .k-du, .tip .k-du { background: var(--dust); box-shadow: inset 0 0 0 1px #a87a1f; }
.key .k-pm, .dl .k-pm, .tip .k-pm { background: repeating-linear-gradient(45deg, var(--pm) 0 3px, #d8b89c 3px 4.5px); }
.key .k-unh { background: repeating-linear-gradient(45deg, var(--bar-unh) 0 3px, #f29b9c 3px 4.5px); }
.key .k-order { color: var(--ink-3); }
.heat svg.k-sand, .heat-key .k-sand { color: #a87a1f; }
/* Gauge: keep the caption clear of the needle when it sits at the low end. */
.gauge-unit { margin-top: 18px; }
/* Today's air pointer under the title. */
.today-link { display: flex; align-items: center; gap: 8px; margin: 14px 0 0; font-size: 15px; color: var(--ink-2); }
.today-link .ic { flex: none; color: var(--sky-700); }
/* A county with no CDC ring: the cause card takes the full row. */
@media (min-width: 900px) { .grid2.solo { grid-template-columns: 1fr; } .grid2.solo .donut-row { max-width: 900px; } }
/* Text versions of the charts. */
details.numbers { margin-top: 12px; font-size: 14px; flex: 1 1 100%; max-width: 100%; overflow-x: auto; }
details.numbers summary { cursor: pointer; color: var(--sky-700); font-weight: 700; width: max-content; max-width: 100%; }
details.numbers table { border-collapse: collapse; margin-top: 8px; min-width: min(100%, 360px); font-variant-numeric: tabular-nums; }
details.numbers th, details.numbers td { padding: 4px 14px 4px 0; text-align: right; border-bottom: 1px solid var(--line-2); }
@media (max-width: 420px) { details.numbers table { width: 100%; font-size: 13px; } details.numbers th, details.numbers td { padding-right: 8px; } }
details.numbers th:first-child { text-align: left; font-weight: 600; }
details.numbers thead th { color: var(--ink-3); font-weight: 700; }
/* Section menu on phones: short labels, tighter pills and a fade while more links sit off the right edge. */
.subnav .sn-s { display: none; }
@media (max-width: 640px) {
  .subnav .sn-l { display: none; } .subnav .sn-s { display: inline; }
  .subnav .wrap { gap: 0; padding-inline: 10px; scrollbar-width: none; }
  .subnav .wrap::-webkit-scrollbar { display: none; }
  .subnav a { padding: 8px 9px; font-size: 13.5px; }
  .subnav .wrap.more { -webkit-mask-image: linear-gradient(90deg, #000 82%, transparent); mask-image: linear-gradient(90deg, #000 82%, transparent); }
}
/* AQI strip on phones: six columns don't fit "Hazardous" at 375px or below, so the band names become a small
   legend with color dots, three across (two across under 360px). The tick row above still lines up with the bar. */
.as-labs { grid-template-columns: repeat(6, minmax(0, 1fr)); }
@media (max-width: 640px) {
  .as-labs { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px 10px; margin-top: 10px; }
  .as-labs span { display: flex; align-items: flex-start; gap: 5px; padding-right: 0; }
  .as-labs span::before { content: ""; flex: none; width: 9px; height: 9px; border-radius: 50%; margin-top: 3px; }
  .as-labs span:nth-child(1)::before { background: #19b36b; } .as-labs span:nth-child(2)::before { background: #f2c230; }
  .as-labs span:nth-child(3)::before { background: #ff8a1f; } .as-labs span:nth-child(4)::before { background: #e5383b; }
  .as-labs span:nth-child(5)::before { background: #8f3f97; } .as-labs span:nth-child(6)::before { background: #7e0023; }
  .as-labs b { font-size: 12px; }
}
@media (max-width: 359px) { .as-labs { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.picks-brand { color: var(--ink-2); max-width: 90ch; }
.c-sec > h2 + .card { margin-top: 18px; }

/* (end of lane B1 section) */
/* Spacer between fix sections so separate edits merge cleanly. */
/* Spacer. */
/* Spacer. */

/* ======== Review fixes, lane B2 (state pages, rankings, site-wide). Add lane B2 rules below this line. ======== */
/* Four tiles in a row on wide screens, so "More ways to explore" leaves no orphan tile. */
.grid4 { display: grid; gap: 16px; } @media (min-width: 700px) { .grid4 { grid-template-columns: repeat(2, 1fr); } } @media (min-width: 1040px) { .grid4 { grid-template-columns: repeat(4, 1fr); } }
/* Ranked tables (states, counties, cleanest and worst): a small line under each name, and the cause tag. */
.rk-city { display: block; font-size: 13px; color: var(--ink-3); font-weight: 400; line-height: 1.35; margin-top: 2px; }
table.data td.rk-n, table.data th.rk-n { width: 1%; color: var(--ink-3); font-weight: 600; padding-right: 4px; }
.why-both { background: linear-gradient(90deg, var(--ozone-bg), var(--smoke-bg)); color: #5b4a6b; }
.why-none { background: var(--good-bg); color: #0f7a48; } .why-dust { background: #f3ecd9; color: #6e5a1f; }
.why-note { display: block; margin-top: 4px; font-size: 12px; color: var(--ink-3); line-height: 1.3; }
table.data td .why { margin-right: 0; white-space: nowrap; }
.cause-sm { display: none; }
@media (max-width: 600px) {
  .cause-sm { display: block; margin-top: 5px; }
  .cause-sm .why-note { display: inline; margin: 0 0 0 6px; }
  table.data th, table.data td { padding: 10px 10px; }
  table.data th.n { white-space: normal; }
  .rk-table .meter { width: 36px; margin-right: 6px; }
}
.rk-jump { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
table.data th button.sort { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline dotted; text-underline-offset: 3px; }
table.data th[aria-sort="ascending"] button.sort, table.data th[aria-sort="descending"] button.sort { color: var(--ink); text-decoration: none; }
table.data th[aria-sort="ascending"] button.sort::after { content: " ▲"; font-size: 10px; }
table.data th[aria-sort="descending"] button.sort::after { content: " ▼"; font-size: 10px; }
table.data tr.st-none td { color: var(--ink-2); padding: 18px 14px; }
.crumbs .sep { color: var(--ink-3); }
.rk-table { margin-top: 16px; }

/* (end of lane B2 section) */