@charset "UTF-8";
/* TOC: Foundation and header; current AQI and guidance; stations and method; responsive layouts; motion and large values. */
:root{--paper:#f7f8f2;--white:#fffefa;--ink:#173c35;--muted:#64716b;--line:#dce2d7;--mint:#dcefcf;--orange:#d75b36;--good:#3f825e;--moderate:#e8be4b;--sensitive:#e78a4c;--unhealthy:#bc464e;--very:#82609f;--hazardous:#803c56;font-family:"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;font-size:15px;line-height:1.55}
button,input,select{font:inherit}
button,a,input,select{-webkit-tap-highlight-color:transparent}
button,a{touch-action:manipulation}
a{color:inherit;text-underline-offset:4px}
button{cursor:pointer}
button:disabled{cursor:wait;opacity:.6}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}
button{color:inherit}
h1,h2,h3,p{margin:0}
h1,h2,h3{font-weight:500;line-height:1.13;letter-spacing:-.045em}
h1{font-size:clamp(36px,4.4vw,59px)}
h2{font-size:clamp(29px,3.1vw,41px)}
h3{font-size:22px}
p{color:var(--muted)}
[hidden]{display:none!important}
svg{display:block}
section{scroll-margin-top:28px}
.site-shell{max-width:1392px;padding:0 64px;margin:auto}
.skip-link{position:absolute;left:20px;top:-100px;background:var(--ink);color:white;padding:12px;z-index:20}
.skip-link:focus{top:16px}
.site-header{height:114px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:29px;letter-spacing:-1.1px;line-height:.95;font-weight:650}
.brand svg{width:45px;stroke:var(--ink);stroke-width:2.6;fill:none;stroke-linecap:round}
.brand-sub{display:block;font-size:12px;font-weight:500;letter-spacing:2.7px;margin-top:8px}
.site-header nav{display:flex;gap:32px;margin-left:auto;margin-right:62px}
.site-header nav a{text-decoration:none;font-size:14px}
.site-header nav a:hover{color:var(--orange)}
.location-tag{font-size:12px;white-space:nowrap;display:flex;gap:9px;align-items:center}
.location-tag>span{color:var(--orange);font-size:15px}
.intro-row{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;padding:53px 0 31px}
.eyebrow{text-transform:uppercase;font-size:10px;letter-spacing:1.9px;font-weight:700;color:var(--ink);margin-bottom:15px}
.intro-text{font-size:16px;margin-top:15px}
.local-clock{font-size:13px;text-align:right;line-height:1.8;padding-bottom:1px;color:var(--ink)}
.local-clock span{font-size:11px;color:var(--muted)}
.current-grid{display:grid;grid-template-columns:1.95fr 1fr;gap:20px}
.air-card{background:var(--mint);border-radius:15px;padding:29px 32px 25px;position:relative;overflow:hidden;transition:background .3s}
.card-topline{display:flex;justify-content:space-between;align-items:center;gap:15px}
.card-topline h2{font-size:15px;letter-spacing:-.2px;font-weight:500}
.status-pill{display:inline-flex;gap:7px;align-items:center;font-size:10px;background:#ffffff65;padding:6px 10px;border:1px solid #174d3020;border-radius:20px;white-space:nowrap}
.status-dot,.tiny-dot{height:6px;width:6px;border-radius:50%;background:#327e53;display:inline-block;flex-shrink:0}
.status-pill.is-stale .status-dot{background:var(--orange)}
.air-reading{display:flex;align-items:center;gap:29px;margin-top:21px}
.aqi-value{font-size:clamp(85px,10.2vw,140px);line-height:1;letter-spacing:-.075em;font-weight:500;font-variant-numeric:tabular-nums;min-width:100px}
.aqi-label{display:flex;flex-direction:column;gap:6px;padding-top:16px}
.aqi-label>span{font-size:10px;letter-spacing:1.5px;font-weight:600}
.aqi-label strong{font-size:30px;font-weight:500;letter-spacing:-.7px;line-height:1.15}
.aqi-label a{font-size:11px;margin-top:6px}
.air-description{color:#395649;margin-top:19px;max-width:500px;min-height:24px;font-size:13px}
.aqi-scale{display:flex;height:7px;gap:4px;margin-top:28px;position:relative}
.aqi-scale>span{flex:1;background:var(--good)}
.aqi-scale>span:first-of-type{border-radius:4px 0 0 4px}
.aqi-scale>span:nth-of-type(2){background:var(--moderate)}
.aqi-scale>span:nth-of-type(3){background:var(--sensitive)}
.aqi-scale>span:nth-of-type(4){background:var(--unhealthy)}
.aqi-scale>span:nth-of-type(5){background:var(--very)}
.aqi-scale>span:nth-of-type(6){background:var(--hazardous);border-radius:0 4px 4px 0}
.scale-marker{position:absolute;width:11px;height:11px;transform:translateX(-50%) rotate(45deg);background:var(--ink);border:2px solid var(--paper);top:-17px;transition:left .4s}
.scale-labels{display:flex;justify-content:space-between;font-size:9px;margin-top:7px;color:#48634f}
.air-meta{display:grid;grid-template-columns:1.2fr 1fr .8fr;gap:16px;border-top:1px solid #234c3426;padding-top:20px;margin-top:22px}
.mini-label{display:block;font-size:10px;letter-spacing:.65px;color:var(--muted);margin-bottom:8px}
.air-meta .mini-label{color:#4c6658}
.air-meta strong{font-size:21px;font-weight:500;letter-spacing:-.4px;display:block}
.air-meta strong small{font-size:10px;letter-spacing:0;font-weight:400}
.air-meta .observation-time{font-size:13px;line-height:1.8;letter-spacing:0}
.current-notice{font-size:12px;border-top:1px solid #234c3426;padding-top:13px;margin-top:14px;color:var(--ink)}
.day-card{padding:29px 29px 25px;border-radius:15px;background:#f0eee3;border:1px solid #e6e3d6}
.day-card-heading{display:flex;gap:8px;align-items:flex-start;justify-content:space-between}
.day-card-heading .eyebrow{font-size:9px;letter-spacing:1.35px;max-width:135px;margin-bottom:18px}
.day-card-heading svg{width:43px;height:43px;stroke:var(--orange);stroke-width:1.6;fill:none;margin-top:-4px;flex-shrink:0}
.day-card h2{font-size:31px;line-height:1.12;letter-spacing:-1px}
.day-card>p:not(.mini-label){font-size:13px;line-height:1.7;margin-top:17px}
.guidance-divider{height:1px;background:#d7d8cc;margin:20px 0 15px}
.day-card .mini-label{font-weight:600;color:var(--ink)}
.day-card .sensitive-guidance{font-size:12px!important;margin-top:0!important}
.text-link{background:none;border:0;padding:0;font-size:12px;text-decoration:none;font-weight:500;display:inline-flex;gap:14px;align-items:center}
.text-link:hover{text-decoration:underline}
.day-card .text-link{font-size:11px;margin-top:17px}
.source-strip{display:flex;justify-content:space-between;gap:24px;padding:16px 2px;border-bottom:1px solid var(--line);font-size:10px}
.source-strip p{display:flex;gap:8px;align-items:baseline;max-width:75%}
.source-strip a{white-space:nowrap;text-decoration:none;font-size:11px}
.tiny-dot{width:5px;height:5px}
.section-heading{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin-bottom:27px}
.section-heading h2{font-size:37px}
.section-heading .eyebrow{margin-bottom:12px}
.section-heading p:not(.eyebrow){font-size:13px;margin-top:14px}
.section-number{font-size:9px;letter-spacing:1.3px;color:#7a827a;white-space:nowrap;padding-bottom:4px}
.history-section,.stations-section,.about-section{padding-top:66px}
.station-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:14px}
.station-card{background:var(--white);padding:22px;border:1px solid var(--line);border-radius:10px;min-width:0}
.station-title-row{display:flex;justify-content:space-between;gap:10px}
.station-card h3{font-size:17px;letter-spacing:-.4px;line-height:1.3}
.station-location{font-size:10px;color:var(--muted);margin-top:6px}
.station-reading{display:flex;align-items:baseline;gap:9px;margin:18px 0 7px}
.station-reading>strong{font-size:40px;line-height:1;font-weight:500;letter-spacing:-2px}
.station-reading>span{font-size:10px;color:var(--muted)}
.station-category{display:inline-block;border-radius:5px;background:var(--paper);font-size:10px;padding:4px 8px;color:var(--ink)}
.station-footer{display:flex;justify-content:space-between;gap:10px;margin-top:17px;padding-top:12px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}
.station-badge{height:9px;width:9px;flex-shrink:0;margin-top:5px;border-radius:50%}
.station-note{font-size:11px;margin-top:16px}
.station-placeholder{grid-column:1/-1;padding:25px;border:1px dashed var(--line);border-radius:8px;color:var(--muted);font-size:13px}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;padding:30px 0 36px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.method-icon{font-size:28px;line-height:1;color:var(--orange);display:block;margin-bottom:20px}
.method-card h3{font-size:20px;margin-bottom:13px}
.method-card p{font-size:13px;line-height:1.8;max-width:340px}
.method-card .text-link{margin-top:18px;font-size:11px}
.aqi-guide{display:grid;grid-template-columns:.85fr 2fr;gap:55px;padding:36px 0;border-bottom:1px solid var(--line)}
.aqi-guide h3{font-size:27px}
.aqi-guide p:not(.eyebrow){font-size:12px;margin-top:12px}
.category-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.category-list li{display:flex;gap:10px}
.category-list i{width:6px;min-height:35px;border-radius:3px;flex-shrink:0}
.category-list li>span{font-size:10px;color:var(--muted)}
.category-list strong{font-size:11px;line-height:1.45;display:block;color:var(--ink);font-weight:500;margin-top:2px}
.heat-good{background:var(--good)}
.heat-moderate{background:var(--moderate)}
.heat-sensitive{background:var(--sensitive)}
.heat-unhealthy{background:var(--unhealthy)}
.heat-very{background:var(--very)}
.heat-hazardous{background:var(--hazardous)}
.heat-missing{background:repeating-linear-gradient(135deg,#e9ece4,#e9ece4 3px,#f8f9f3 3px,#f8f9f3 6px)}
.faq-list{margin:18px 0}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{cursor:pointer;display:flex;justify-content:space-between;padding:19px 0;font-size:13px;list-style:none;gap:15px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary span{font-size:19px;line-height:1}
.faq-list details[open] summary span{transform:rotate(45deg)}
.faq-list details p{padding:0 0 20px;max-width:850px;font-size:13px;line-height:1.8}
.data-disclaimer{font-size:11px;line-height:1.8;margin:25px 0 50px;max-width:850px}
.data-disclaimer a{color:var(--ink)}
.site-footer{display:flex;align-items:center;justify-content:space-between;gap:25px;border-top:1px solid var(--line);padding:28px 0 35px}
.footer-brand{font-size:16px;font-weight:600;letter-spacing:-.5px;text-decoration:none;display:flex;gap:22px}
.site-footer p,.site-footer>span{font-size:10px;color:var(--muted)}
.noscript{background:#fff0d5;color:#433521;padding:24px;position:fixed;bottom:0;width:100%;text-align:center;z-index:30}
@media(min-width:1450px){
.site-shell{max-width:1450px;padding:0 80px}
.intro-row{padding-top:62px}
.air-card{padding:33px 38px 28px}
.air-reading{margin-top:25px}
.air-meta{margin-top:28px}
.day-card{padding:33px}
}
@media(max-width:1100px){
.site-shell{padding:0 35px}
.site-header nav{margin-right:10px;gap:25px}
.current-grid{grid-template-columns:1.7fr 1fr}
.air-card{padding:25px}
.day-card{padding:25px}
.aqi-label strong{font-size:25px}
.air-reading{gap:22px}
.air-meta{gap:10px;grid-template-columns:1.1fr 1fr .7fr}
.air-meta .mini-label{font-size:9px}
.section-number{display:none}
.site-footer{flex-wrap:wrap}
.site-footer>span{margin-left:auto}
}
@media(max-width:800px){
.site-shell{padding:0 24px}
.site-header{height:94px}
.location-tag{display:none}
.site-header nav{margin:0;gap:22px}
.brand{font-size:25px}
.brand svg{width:38px}
.brand-sub{font-size:10px;letter-spacing:2.3px}
.intro-row{padding-top:36px}
.local-clock{display:none}
.current-grid{grid-template-columns:1fr}
.air-reading{margin-top:20px}
.aqi-value{font-size:125px}
.aqi-label strong{font-size:31px}
.air-description{font-size:14px}
.air-meta{grid-template-columns:1.2fr 1fr 1fr}
.day-card{display:grid;grid-template-columns:1fr 1.3fr;gap:10px 30px}
.day-card-heading{grid-column:1;grid-row:1}
.day-card h2{grid-column:1;grid-row:2/4}
.day-card>p:not(.mini-label){margin-top:0}
.day-card #activity-guidance{grid-column:2;grid-row:1/3}
.guidance-divider{display:none}
.day-card>.mini-label{grid-column:2;margin:5px 0 0}
.day-card #sensitive-guidance{grid-column:2}
.day-card>.text-link{grid-column:2;margin-top:4px}
.day-card-heading svg{width:32px;height:32px}
.day-card-heading .eyebrow{max-width:160px;font-size:9px}
.source-strip p{max-width:74%}
.station-grid{grid-template-columns:repeat(2,1fr)}
.about-grid{gap:22px}
.aqi-guide{gap:25px;grid-template-columns:1fr 2fr}
.category-list{grid-template-columns:repeat(2,1fr)}
.section-heading h2{font-size:33px}
.history-section,.stations-section,.about-section{padding-top:49px}
.site-footer>span{margin-left:0}
}
@media(max-width:520px){
.site-shell{padding:0 18px}
.site-header{height:84px;gap:10px}
.brand{font-size:22px;gap:7px}
.brand svg{width:32px}
.brand-sub{font-size:8px;letter-spacing:2.1px;margin-top:6px}
.site-header nav{gap:16px}
.site-header nav a{font-size:11px}
.site-header nav a:last-child span{display:none}
.intro-row{padding:30px 0 24px}
.eyebrow{font-size:9px;margin-bottom:12px}
h1{font-size:35px;max-width:300px;letter-spacing:-1.8px}
.intro-text{font-size:13px;margin-top:12px}
.air-card{padding:22px 20px}
.card-topline h2{font-size:13px}
.status-pill{font-size:9px;padding:5px 8px}
.air-reading{gap:20px;margin-top:23px}
.aqi-value{font-size:103px;min-width:80px}
.aqi-label{padding-top:10px}
.aqi-label strong{font-size:24px;letter-spacing:-.7px}
.aqi-label>span{font-size:9px;letter-spacing:.8px}
.aqi-label a{font-size:9px}
.air-description{font-size:12px;margin-top:17px}
.aqi-scale{margin-top:25px}
.air-meta{gap:10px;padding-top:16px;margin-top:19px;grid-template-columns:1fr 1fr}
.air-meta>div:last-child{grid-column:1/-1;display:flex;align-items:center;gap:10px}
.air-meta>div:last-child .mini-label{margin:0}
.air-meta>div:last-child strong{font-size:14px}
.air-meta strong{font-size:20px}
.air-meta .mini-label{font-size:9px}
.day-card{display:block;padding:22px 20px}
.day-card-heading .eyebrow{max-width:none;margin-bottom:12px}
.day-card-heading svg{width:36px;height:36px}
.day-card h2{font-size:27px;margin-top:-10px;max-width:220px}
.day-card h2 br{display:none}
.day-card #activity-guidance{margin-top:12px;font-size:13px}
.guidance-divider{display:block;margin:16px 0 12px}
.day-card>.mini-label{margin-bottom:5px}
.day-card>.text-link{margin-top:15px}
.source-strip{gap:13px;font-size:9px;padding:13px 0}
.source-strip p{max-width:75%}
.source-strip a{font-size:10px;white-space:normal;text-align:right;min-width:64px}
.section-heading h2{font-size:29px;line-height:1.12}
.section-heading p:not(.eyebrow){font-size:12px;margin-top:11px}
.section-heading{margin-bottom:22px}
.station-grid{grid-template-columns:1fr}
.station-card{padding:20px}
.station-reading{margin-top:14px}
.station-note{font-size:10px}
.about-grid{grid-template-columns:1fr;padding:25px 0;gap:28px}
.method-card{display:grid;grid-template-columns:32px 1fr;column-gap:13px}
.method-icon{grid-column:1;grid-row:1/4;font-size:25px}
.method-card h3{grid-column:2;margin-bottom:9px}
.method-card p{grid-column:2;max-width:none;font-size:12px}
.method-card .text-link{grid-column:2;margin-top:12px}
.aqi-guide{grid-template-columns:1fr;gap:24px;padding:27px 0}
.aqi-guide h3{font-size:25px}
.aqi-guide .eyebrow{margin-bottom:8px}
.aqi-guide p:not(.eyebrow){margin-top:8px}
.category-list{gap:18px}
.faq-list summary{font-size:12px;padding:17px 0}
.faq-list details p{font-size:12px}
.site-footer{gap:14px;padding:24px 0}
.footer-brand{width:100%;font-size:18px;justify-content:space-between}
.site-footer p{width:100%}
.data-disclaimer{margin-bottom:35px;font-size:10px}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{transition:none!important;animation:none!important}
}
.station-map-link{margin-top:14px;font-size:10px}
.aqi-label{min-width:0}
.aqi-label strong{overflow-wrap:break-word}
@media(max-width:520px){
.is-large-reading .aqi-value{font-size:75px;letter-spacing:-.07em}
.is-large-reading{gap:16px}
.is-large-reading .aqi-label strong{font-size:21px}
}