/* Shared components for Tennessee Radon Authority pages (tra- prefix avoids clashes with page styles) */
:root{--tra-bg:#fffefa;--tra-paper:#f4f3ed;--tra-ink:#17201d;--tra-muted:#53615c;--tra-line:#d4d9d3;--tra-accent:#244d3b;--tra-accent-ink:#ffffff;--tra-kit:#eaf3df;--tra-kit-line:#b5cf95;--tra-link:#1f5b46}
@media (prefers-color-scheme:dark){:root{--tra-bg:#18201d;--tra-paper:#101614;--tra-ink:#f1f3ec;--tra-muted:#b3bdb8;--tra-line:#3a4741;--tra-accent:#9fd0b3;--tra-accent-ink:#0d1a14;--tra-kit:#1c2a21;--tra-kit-line:#3d5c45;--tra-link:#9fd0b3}}
.tra-wrap{width:min(1120px,100%);margin:0 auto;padding:0 20px;box-sizing:border-box}
.tra-top,.tra-kit,.tra-section,.tra-foot,.tra-guide{font-family:"Source Sans 3",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--tra-ink)}
.tra-top{background:var(--tra-bg);border-bottom:1px solid var(--tra-line);font-size:15px;line-height:1.4}
.tra-top-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 20px;padding-top:10px;padding-bottom:8px}
.tra-brand{font-weight:800;text-decoration:none;color:var(--tra-ink);letter-spacing:-.01em;display:inline-block;padding:6px 0;min-height:24px}
.tra-mainnav{display:flex;flex-wrap:wrap;gap:4px 16px}
.tra-mainnav a{color:var(--tra-muted);text-decoration:none;font-weight:600;display:inline-block;padding:4px 0}
.tra-mainnav a:hover{color:var(--tra-ink);text-decoration:underline}
.tra-crumb-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 16px;padding-bottom:8px;color:var(--tra-muted);font-size:14px}
.tra-crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap}
.tra-crumbs li+li::before{content:"›";margin:0 8px;color:var(--tra-muted)}
.tra-crumbs a{color:var(--tra-muted)}
.tra-h1-place{display:block;font-size:max(.38em,15px);letter-spacing:.06em;text-transform:uppercase;font-weight:700;opacity:.85;margin-bottom:.35em;line-height:1.2}
.tra-kit{background:var(--tra-kit);border-top:1px solid var(--tra-kit-line);border-bottom:1px solid var(--tra-kit-line);font-size:16px;line-height:1.45}
.tra-kit-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;padding-top:16px;padding-bottom:16px}
.tra-kit-row>div:first-child{flex:1 1 420px}
.tra-kit strong{display:block;font-size:18px;margin-bottom:2px}
.tra-kit span{color:var(--tra-muted)}
.tra-kit-actions,.tra-links{display:flex;flex-wrap:wrap;gap:10px}
.tra-btn{display:inline-block;padding:10px 16px;border-radius:8px;background:var(--tra-accent);color:var(--tra-accent-ink)!important;font-weight:700;text-decoration:none;border:2px solid var(--tra-accent);white-space:nowrap}
.tra-btn-alt{background:transparent;color:var(--tra-accent)!important}
.tra-btn:hover{filter:brightness(1.08)}
.tra-section{background:var(--tra-bg);padding:40px 0;border-bottom:1px solid var(--tra-line);font-size:17px;line-height:1.55}
.tra-section h2{font-size:clamp(24px,3vw,32px);line-height:1.15;margin:0 0 14px}
.tra-section a{color:var(--tra-link)}
.tra-facts{display:flex;flex-wrap:wrap;gap:8px 12px;margin:0 0 20px;padding:0}
.tra-facts span{border:1px solid var(--tra-line);border-radius:999px;padding:4px 12px;font-size:15px;color:var(--tra-muted)}
.tra-facts b{color:var(--tra-ink)}
.tra-qa-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:16px}
.tra-qa-item{border:1px solid var(--tra-line);border-radius:10px;padding:16px 18px;background:var(--tra-paper)}
.tra-qa-item h3{font-size:18px;margin:0 0 6px;line-height:1.3}
.tra-qa-item p{margin:0}
.tra-related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:24px 40px}
.tra-related h2{font-size:22px}
.tra-linklist{display:flex;flex-direction:column;gap:2px}
.tra-linklist a{padding:4px 0;overflow-wrap:anywhere}
.tra-guides .tra-guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));gap:12px}
.tra-guide-card{display:block;border:1px solid var(--tra-line);border-radius:10px;padding:16px;background:var(--tra-paper);text-decoration:none;color:var(--tra-ink)!important}
.tra-guide-card:hover{border-color:var(--tra-accent)}
.tra-az{columns:4 200px;list-style:none;padding:0;margin:0}
.tra-az li{break-inside:avoid;padding:3px 0}
.tra-az span{color:var(--tra-muted);font-size:14px}
.tra-foot{background:var(--tra-paper);border-top:1px solid var(--tra-line);padding:28px 0 36px;font-size:15px;line-height:1.5;color:var(--tra-muted)}
.tra-foot nav{display:flex;flex-wrap:wrap;gap:6px 18px;margin-bottom:12px}
.tra-foot a{color:var(--tra-ink)}
/* guide pages */
.tra-guide-body{margin:0;background:var(--tra-bg);color:var(--tra-ink)}
.tra-guide{font-size:18px;line-height:1.6;padding-top:28px;padding-bottom:40px}
.tra-guide article{max-width:760px}
.tra-guide h1{font-family:Georgia,"Newsreader",serif;font-size:clamp(32px,5vw,46px);line-height:1.1;margin:8px 0 18px}
.tra-guide h2{font-size:26px;line-height:1.2;margin:36px 0 10px}
.tra-guide a{color:var(--tra-link)}
.tra-guide table{border-collapse:collapse;width:100%;margin:12px 0 6px;font-size:16px;display:block;overflow-x:auto}
.tra-guide th,.tra-guide td{border:1px solid var(--tra-line);padding:8px 10px;text-align:left;vertical-align:top}
.tra-guide th{background:var(--tra-paper)}
.tra-guide .tra-kit{margin:20px -20px;border-radius:0}
.tra-keyfacts{background:var(--tra-paper);border:1px solid var(--tra-line);border-radius:10px;padding:6px 20px;margin:20px 0}
.tra-reviewed{color:var(--tra-muted);font-size:15px;border-top:1px solid var(--tra-line);padding-top:14px;margin-top:36px}
hr{border:0;border-top:1px solid var(--tra-line)}
@media (max-width:600px){.tra-btn{white-space:normal}.tra-section{padding:28px 0}}

/* small-phone safety net for page-specific layouts */
@media (max-width:400px){
  .rail,.stamp,.resource-card,.step,.place,.status,.dot,.tra-wrap{min-width:0!important;max-width:100%!important}
  .status,.tag,.pill,.badge{white-space:normal!important}
  h1,h2,h3{overflow-wrap:anywhere}
  .status{flex-shrink:1!important}
  .phone{white-space:normal!important}
  html,body{overflow-x:clip}
  img,svg,video,iframe,table{max-width:100%}
}

/* comfortable tap targets for navigation links on phones */
@media (max-width:600px){
  .tra-mainnav a,.tra-crumbs a,.tra-brand{display:inline-flex!important;align-items:center;min-height:32px;padding:0!important}
  nav a,.section-nav a,.jump a,.rail a,a[href^="#"]{min-height:28px;min-width:28px;display:inline-flex;align-items:center}
}