@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&family=Manrope:wght@400;500;600;700;800&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f2f5f8;--paper:rgba(255,255,255,0.72);--paper-strong:rgba(255,255,255,0.9);
  --ink:#151b20;--muted:#55626d;--line:rgba(21,27,32,0.10);
  --accent:#2563eb;--accent-soft:rgba(37,99,235,0.10);
  --teal:#0f766e;--teal-soft:#e6f5f3;
  --danger:#dc2626;--danger-soft:rgba(220,38,38,0.08);
  --radius-xl:28px;--radius-lg:20px;--radius-md:14px;--radius-sm:10px;
  --shadow:0 20px 60px rgba(21,27,32,0.10);
  --max:1280px;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Manrope',sans-serif;background:#edf1f5;background:linear-gradient(180deg,#f7f9fb 0%,#edf1f5 50%,#e5eaef 100%) fixed;color:var(--ink);min-height:100vh;line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.shell{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* NAV */
.nav{padding:20px 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 22px;background:rgba(255,255,255,0.6);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:22px;box-shadow:0 8px 24px rgba(21,27,32,0.06)}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:15px}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(145deg,#1e40af,#1e3a5f);color:#e0ecff;display:grid;place-items:center;font-size:18px;flex-shrink:0}
.brand-text small{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:2px}
.nav-links{display:flex;gap:22px;color:var(--muted);font-size:14px;font-weight:600}
.nav-links a:hover{color:var(--ink)}
.nav-cta{padding:11px 18px;border-radius:999px;background:var(--accent);color:#fff;font-weight:700;font-size:14px;white-space:nowrap}

/* HERO */
.hero{padding:32px 0 20px}
.hero-inner{background:rgba(255,255,255,0.68);backdrop-filter:blur(20px);border:1px solid var(--line);border-radius:var(--radius-xl);padding:48px 44px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero-inner::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(37,99,235,0.08),transparent 40%);pointer-events:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,0.7);border:1px solid var(--line);color:var(--muted);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.13em;margin-bottom:18px}

/* COUNTY/CITY GRID */
.city-section{padding:20px 0 40px}
.city-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.city-card{padding:18px 20px;border-radius:var(--radius-lg);background:rgba(255,255,255,.72);border:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px;transition:box-shadow .2s,transform .2s}
.city-card:hover{box-shadow:0 8px 24px rgba(21,27,32,.08);transform:translateY(-1px)}
.city-card strong{font-weight:700;font-size:15px}
.city-count{padding:6px 10px;border-radius:999px;background:var(--teal-soft);color:var(--teal);font-size:12px;font-weight:800}

/* LISTINGS */
.listings-section{padding:20px 0 40px}
.listings-grid{display:grid;gap:16px}
.listing-card{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 24px;display:grid;grid-template-columns:1fr auto;gap:20px;box-shadow:0 8px 24px rgba(21,27,32,.05);transition:box-shadow .2s}
.listing-card:hover{box-shadow:0 16px 40px rgba(21,27,32,.1)}
.listing-card.featured{background:linear-gradient(180deg,rgba(237,246,255,.98),rgba(255,255,255,.9));border-color:rgba(37,99,235,.18)}
.listing-name{font-family:'Fraunces',serif;font-size:22px;font-weight:500;letter-spacing:-.03em;margin-bottom:4px}
.listing-company{font-size:14px;color:var(--muted);margin-bottom:10px}
.listing-name a:hover{color:var(--accent)}
.listing-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.badge{padding:6px 10px;border-radius:999px;font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.badge-cert{background:rgba(15,118,110,.08);color:var(--teal)}
.badge-aarst{background:var(--accent-soft);color:#1e40af}
.badge-zone-high{background:var(--danger-soft);color:var(--danger)}
.badge-zone-moderate{background:rgba(234,179,8,.1);color:#a16207}
.badge-zone-low{background:rgba(34,197,94,.08);color:#15803d}
.cert-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.cert-tag{padding:7px 11px;border-radius:999px;background:var(--accent-soft);color:#1e40af;font-size:12px;font-weight:700}
.listing-address{color:var(--muted);font-size:13px}
.listing-side{display:flex;flex-direction:column;gap:10px;min-width:190px;align-items:stretch}
.phone-box{padding:14px 16px;border-radius:var(--radius-md);background:rgba(237,241,245,.8);border:1px solid var(--line);text-align:center}
.phone-number{display:block;font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--accent)}
.phone-label{font-size:11px;color:var(--muted);margin-top:2px}
.btn{display:block;padding:12px 16px;border-radius:var(--radius-md);text-align:center;font-weight:800;font-size:13px;transition:opacity .2s}
.btn-primary{background:linear-gradient(135deg,#1e40af,#1e3a5f);color:#e0ecff}
.btn-secondary{background:rgba(21,27,32,.05);color:var(--ink);border:1px solid var(--line)}
.btn:hover{opacity:.88}

/* BREADCRUMB */
.breadcrumb{padding:16px 0;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb a{font-weight:600}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb-sep{opacity:.4}

/* STATE/CITY HERO */
.page-hero{padding:28px 0 20px}
.page-hero-inner{padding:36px 40px;background:rgba(255,255,255,.7);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow)}
.page-hero-inner h1{font-family:'Fraunces',serif;font-size:clamp(2rem,4vw,3.8rem);font-weight:500;letter-spacing:-.04em;margin-bottom:12px}
.hero-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.count-badge{padding:8px 14px;border-radius:999px;background:var(--accent);color:#fff;font-weight:800;font-size:14px}
.hero-desc{color:var(--muted);font-size:16px;line-height:1.65;margin-top:16px;max-width:65ch}

/* FILTER TABS */
.filter-tabs{display:flex;gap:8px;flex-wrap:wrap;padding:20px 0}
.filter-tab{padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.7);font-size:13px;font-weight:700;color:var(--muted);cursor:pointer;transition:all .2s;white-space:nowrap}
.filter-tab:hover,.filter-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}

/* PROFILE PAGE */
.auto-notice{display:flex;align-items:center;gap:10px;padding:14px 20px;background:rgba(37,99,235,.04);border:1px solid rgba(37,99,235,.1);border-radius:var(--radius-lg);margin-bottom:12px;font-size:13px;color:var(--muted)}
.auto-notice a{color:var(--accent);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.profile-hero{padding:8px 0 28px}
.profile-hero-card{background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow);padding:32px 36px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:start}
.profile-name{font-family:'Fraunces',serif;font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:500;letter-spacing:-.03em;line-height:1.15;margin-bottom:6px}
.profile-company{font-size:16px;color:var(--muted);margin-bottom:14px}
.profile-badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.profile-address{color:var(--muted);font-size:14px;margin-bottom:14px;display:flex;align-items:center;gap:6px}
.profile-section{margin-bottom:32px}
.profile-section h3{font-family:'Fraunces',serif;font-size:20px;font-weight:500;letter-spacing:-.02em;margin-bottom:14px}
.hero-cta{display:flex;flex-direction:column;gap:10px;min-width:200px}
.phone-btn{display:block;padding:14px 24px;background:var(--accent);color:#fff;border-radius:var(--radius-lg);font-size:18px;font-weight:700;text-align:center;transition:all .2s;letter-spacing:.01em}
.phone-btn:hover{background:#1d4ed8;transform:translateY(-1px);box-shadow:0 4px 24px rgba(0,0,0,.08)}

/* INFO BOX (radon facts) */
.info-box{padding:20px 24px;background:rgba(37,99,235,.04);border:1px solid rgba(37,99,235,.1);border-radius:var(--radius-lg);margin-bottom:20px}
.info-box h4{font-size:14px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin-bottom:8px}
.info-box p{color:var(--muted);font-size:14px;line-height:1.65}

/* FOOTER */
.footer{background:rgba(255,255,255,.6);border-top:1px solid var(--line);padding:56px 0 28px;margin-top:48px}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand{font-weight:800;font-size:18px;margin-bottom:12px}
.footer-tagline{color:var(--muted);font-size:14px;line-height:1.6;max-width:32ch}
.footer-col h4{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:14px}
.footer-col a{display:block;color:var(--ink);font-size:14px;font-weight:600;padding:4px 0;transition:color .15s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}

/* ARTICLE PAGES */
.article-page{padding:32px 0 48px}
.article-page h1{font-family:'Fraunces',serif;font-size:clamp(2rem,4vw,3rem);font-weight:500;letter-spacing:-.04em;margin-bottom:16px;line-height:1.15}
.article-content{max-width:720px}
.article-content h2{font-family:'Fraunces',serif;font-size:1.5rem;font-weight:500;letter-spacing:-.03em;margin:32px 0 12px}
.article-content h3{font-family:'Fraunces',serif;font-size:1.2rem;font-weight:500;margin:24px 0 10px}
.article-content p{color:var(--muted);line-height:1.75;margin-bottom:16px}
.article-content ul,.article-content ol{color:var(--muted);line-height:1.75;margin-bottom:16px;padding-left:24px}
.article-content li{margin-bottom:6px}
.article-content table{width:100%;border-collapse:collapse;margin-bottom:20px;font-size:14px}
.article-content th{background:var(--teal-soft);padding:10px 14px;text-align:left;font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.06em}
.article-content td{padding:10px 14px;border-bottom:1px solid var(--line)}
.article-content strong{color:var(--ink)}

/* RESPONSIVE */
@media(max-width:768px){
  .nav-links{display:none}
  .listing-card{grid-template-columns:1fr}
  .listing-side{min-width:0}
  .profile-hero-card{grid-template-columns:1fr}
  .hero-cta{min-width:0}
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
  .page-hero-inner{padding:28px 24px}
}
@media(max-width:480px){
  .city-grid{grid-template-columns:1fr}
}