/* Radon Mitigation Sioux Falls - hand-rolled, no framework, no webfonts */

:root{
  --navy:#1d3040;
  --navy-2:#16242f;
  --rust:#b4451f;
  --rust-dk:#8e3416;
  --paper:#f6f3ee;
  --paper-2:#ece6dc;
  --ink:#22272b;
  --muted:#5c666d;
  --caution:#f2c230;
  --line:#c9c0b2;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font:16px/1.62 Arial, "Helvetica Neue", Helvetica, sans-serif;
  color:var(--ink);
  background:#fff;
}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;font-weight:700;line-height:1.22;color:var(--navy)}
h1{font-size:2.15rem;margin:0 0 .5rem}
h2{font-size:1.5rem;margin:2rem 0 .6rem}
h3{font-size:1.13rem;margin:1.4rem 0 .4rem}
p{margin:0 0 1rem}
a{color:var(--rust-dk)}
a:hover{color:var(--rust)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* ---------- trust strip ---------- */
.tstrip{background:var(--navy-2);color:#d8d2c6;font-size:12.5px;letter-spacing:.02em}
.tstrip .wrap{display:flex;flex-wrap:wrap;gap:6px 22px;padding-top:7px;padding-bottom:7px}
.tstrip span:not(:last-child):after{content:" \00b7";color:#5d6a74;margin-left:20px}
.tstrip .cert{color:#8d979e;font-style:italic}

/* ---------- header ---------- */
.site-head{border-bottom:3px solid var(--navy);background:#fff}
.headrow{display:flex;align-items:center;gap:18px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
.brand img{width:230px;height:auto}
.mainnav{margin-left:auto}
.mainnav ul{list-style:none;margin:0;padding:0;display:flex;gap:20px}
.mainnav a{color:var(--navy);text-decoration:none;font-weight:bold;font-size:14.5px;text-transform:uppercase;letter-spacing:.04em}
.mainnav a:hover{color:var(--rust)}
.has-sub{position:relative}
.has-sub .sub{
  display:none;position:absolute;left:-14px;top:100%;z-index:40;
  background:#fff;border:1px solid var(--line);border-top:3px solid var(--rust);
  min-width:290px;padding:6px 0;flex-direction:column;gap:0;
  box-shadow:0 6px 18px rgba(0,0,0,.14);
}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:flex}
.has-sub .sub li{display:block}
.has-sub .sub a{display:block;padding:7px 16px;text-transform:none;letter-spacing:0;font-weight:normal;font-size:14px}
.has-sub .sub a:hover{background:var(--paper-2)}
.headcall{
  background:var(--rust);color:#fff !important;text-decoration:none;
  font-weight:bold;padding:11px 17px;font-size:15px;border:2px solid var(--rust-dk);
}
.headcall:hover{background:var(--rust-dk);color:#fff}

/* ---------- breadcrumbs ---------- */
.crumbs{background:var(--paper-2);font-size:13px;padding:8px 0;border-bottom:1px solid var(--line)}
.crumbs a{color:var(--navy)}
.crumbs .sep{color:var(--muted)}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;background:var(--rust);color:#fff !important;text-decoration:none;
  font-weight:bold;padding:13px 22px;border:2px solid var(--rust-dk);font-size:16px;
}
.btn:hover{background:var(--rust-dk)}
.btn.big{font-size:21px;padding:16px 28px;border-radius:3px}
.btn.ghost{background:transparent;color:#fff !important;border:2px solid #fff}
.btn.ghost:hover{background:rgba(255,255,255,.14)}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--navy)}
.heroimg{width:100%;height:420px;object-fit:cover;opacity:.32;position:absolute;inset:0}
.herogrid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:38px;padding-top:36px;padding-bottom:38px;align-items:start}
.herocopy h1{color:#fff;font-size:2.5rem;text-shadow:0 1px 2px rgba(0,0,0,.5)}
.herocopy .sub{color:#f0e9dd;font-size:1.13rem;margin-bottom:.35rem;font-family:Georgia,serif}
.herocopy .pills{color:var(--caution);font-size:14px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:1.2rem}
.herocopy .promise{color:#d7d0c4;font-size:14px;border-left:3px solid var(--caution);padding-left:12px;margin-top:1.1rem;max-width:34em}

/* ---------- forms ---------- */
.formbox{background:var(--paper);border:1px solid var(--line);border-top:5px solid var(--rust);padding:20px}
.formhead{margin:0 0 .3rem;font-size:1.2rem}
.formnote{font-size:13px;color:var(--muted);margin-bottom:.9rem}
.formbox label{display:block;font-size:13px;font-weight:bold;color:var(--navy);margin:9px 0 3px}
.formbox input,.formbox select,.formbox textarea{
  width:100%;padding:9px 10px;border:1px solid #a9a294;background:#fff;font:15px/1.4 Arial,sans-serif;
}
.formbox button{
  width:100%;margin-top:14px;background:var(--rust);color:#fff;border:2px solid var(--rust-dk);
  padding:14px;font-size:16px;font-weight:bold;letter-spacing:.03em;cursor:pointer;
}
.formbox button:hover{background:var(--rust-dk)}

/* ---------- reviews ---------- */
.reviews{background:var(--paper-2);border-bottom:1px solid var(--line);padding:26px 0 30px}
.rh{margin:0 0 1rem;font-size:1.25rem}
.rgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.review{margin:0}
.review img{width:64px;height:64px;border-radius:50%;object-fit:cover;margin-bottom:8px;border:2px solid #fff}
.review blockquote{margin:0;font-size:14.5px}
.review blockquote p{margin:0 0 .4rem}
.review figcaption{font-size:12.5px;color:var(--muted);font-style:italic}

/* ---------- generic sections ---------- */
.band{padding:34px 0 6px}
.prose{max-width:820px}
.prose p{font-size:16.5px}
.secthead{font-size:1.75rem;border-bottom:2px solid var(--line);padding-bottom:.4rem}

.pain{background:#fff;padding:14px 0 30px}
.paingrid{list-style:none;margin:1rem 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px 34px}
.paingrid li{border-left:4px solid var(--caution);padding:2px 0 2px 14px}
.paingrid strong{display:block;color:var(--navy)}
.paingrid span{font-size:14.5px;color:var(--muted)}

.calloutrow{background:var(--navy);color:#fff;padding:22px 0}
.calloutrow .wrap{display:flex;justify-content:space-around;gap:20px;flex-wrap:wrap;text-align:center}
.cnum{display:block;font-family:Georgia,serif;font-size:2.3rem;color:var(--caution);line-height:1.1}
.clab{display:block;font-size:13px;color:#cfc9bd;max-width:15em;margin:0 auto}

.trust{background:var(--paper);padding:30px 0 34px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:1rem}
.tpoint h3{margin-top:0;color:var(--rust-dk)}
.tpoint p{font-size:15px}

/* ---------- cta ---------- */
.cta{background:var(--navy-2);color:#fff;text-align:center;padding:26px 0}
.ctatext{font-family:Georgia,serif;font-size:1.35rem;margin-bottom:1rem;color:#fff}
.ctabtns{margin-bottom:.7rem}
.ctabtns .btn{margin:0 5px 8px}
.badges{font-size:12.5px;color:#9aa4ab;margin:0;letter-spacing:.04em}

/* ---------- service blocks ---------- */
.services{padding:32px 0 10px}
.sblock{display:grid;grid-template-columns:340px 1fr;gap:26px;align-items:start;padding:22px 0;border-bottom:1px dotted var(--line)}
.sblock:nth-child(odd) .sbody{padding-right:12px}
.sblock h2{margin-top:0;font-size:1.35rem}
.sblock h2 a{color:var(--navy);text-decoration:none}
.sblock h2 a:hover{color:var(--rust)}
.sblock .sym{font-size:16px}
.sblock .sym strong{color:var(--rust-dk)}
.sblock .more{font-size:14px;margin:0}

.areas{background:var(--paper-2);padding:24px 0;border-top:1px solid var(--line)}
.areas p{max-width:60em}

/* ---------- steps ---------- */
.steps{padding:30px 0}
.stepgrid{list-style:none;margin:1rem 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:30px;counter-reset:none}
.stepgrid li{border-top:4px solid var(--navy);padding-top:12px}
.stepgrid .num{font-family:Georgia,serif;font-size:2rem;color:var(--rust);line-height:1}
.stepgrid h3{margin:.2rem 0 .3rem}
.stepgrid p{font-size:14.5px}

/* ---------- before / after ---------- */
.ba{background:var(--paper);padding:30px 0 36px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.bagrid{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin-top:1rem}
.bacol img{border:1px solid var(--line)}
.bacol h3{margin:.7rem 0 .3rem;text-transform:uppercase;letter-spacing:.08em;font-size:1rem;color:var(--rust-dk)}
.bacol ul{padding-left:18px;font-size:14.5px}
.bacol li{margin-bottom:.35rem}

/* ---------- educational + faq ---------- */
.edu{padding:30px 0}
.eq{max-width:840px}
.eq h2{font-size:1.28rem}
.asset{background:var(--paper-2);border-left:4px solid var(--rust);padding:12px 16px;max-width:840px;font-size:15px}

.faq{background:var(--paper);padding:28px 0 34px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:11px 0;max-width:900px}
.faq summary{font-weight:bold;color:var(--navy);cursor:pointer;font-size:16px;font-family:Georgia,serif}
.faq details p{margin:.7rem 0 .2rem;font-size:15.5px}

.map{padding:26px 0 34px}

/* ---------- service page layout ---------- */
.svcgrid{display:grid;grid-template-columns:1fr 340px;gap:40px;padding:28px 0 10px}
.svcmain h1{font-size:2rem}
.svcmain p{font-size:16.5px}
.svchero{margin:1rem 0 1.4rem;border:1px solid var(--line)}
.callline{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:1rem}
.callline span{font-size:13.5px;color:var(--muted);max-width:26em}
.rellist{padding-left:18px}
.closing{background:var(--paper-2);padding:13px 16px;border-left:4px solid var(--navy);font-size:15.5px}
.svcside{position:sticky;top:14px}
.sidebox{margin-top:22px;background:var(--navy);color:#e6e0d5;padding:18px 20px}
.sidebox h3{color:var(--caution);margin-top:0}
.statlist{list-style:none;margin:0;padding:0;font-size:14px}
.statlist li{margin-bottom:.7rem;border-bottom:1px solid #33454f;padding-bottom:.6rem}
.statlist strong{display:block;font-family:Georgia,serif;font-size:1.3rem;color:#fff}
.sidebox .src{font-size:11.5px;color:#94a0a8;margin:0}
.sidebox .src a{color:var(--caution)}

/* ---------- hubs, tables, misc ---------- */
.narrow{padding-bottom:10px}
.hublist{list-style:none;margin:1.4rem 0;padding:0}
.hublist li{border-bottom:1px dotted var(--line);padding-bottom:.9rem;margin-bottom:.9rem}
.hublist h2{margin:0 0 .25rem;font-size:1.2rem}

table{border-collapse:collapse;width:100%;margin:1.2rem 0 1.6rem;font-size:15px}
caption{text-align:left;font-style:italic;color:var(--muted);font-size:13.5px;padding-bottom:6px}
th,td{border:1px solid var(--line);padding:8px 11px;text-align:left;vertical-align:top}
thead th{background:var(--navy);color:#fff;font-family:Georgia,serif}
tbody tr:nth-child(even){background:var(--paper)}
.costtable td:first-child{width:38%}

.owner{margin:1rem 0;background:var(--paper);border-left:5px solid var(--caution);padding:16px 20px;font-size:16px}
.owner cite{display:block;margin-top:.7rem;font-style:normal;font-weight:bold;color:var(--navy)}
.minirev{margin:1.2rem 0;border-left:3px solid var(--line);padding-left:14px;font-size:15px}
.minirev blockquote{margin:0}
.minirev figcaption{font-size:12.5px;color:var(--muted);font-style:italic}
.mission{font-family:Georgia,serif;font-size:1.2rem;font-weight:bold;color:var(--navy)}
.lede{font-size:17px;color:#3a4147}
.srclist{font-size:14.5px}
.contactgrid{display:grid;grid-template-columns:1fr 380px;gap:40px;padding:26px 0 34px}
.bigphone{font-family:Georgia,serif;font-size:2.1rem;margin:.3rem 0}
.bigphone a{color:var(--rust-dk);text-decoration:none}
.nap{font-size:15px;line-height:1.7}

/* ---------- footer ---------- */
.site-foot{background:var(--navy);color:#c6c0b4;margin-top:0;padding:34px 0 10px;font-size:14.5px}
.footgrid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:34px}
.site-foot h3{color:#fff;font-size:1.05rem;margin:0 0 .6rem}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{margin-bottom:.4rem}
.site-foot a{color:#e0d9cc}
.site-foot a:hover{color:var(--caution)}
.site-foot .nap{color:#c6c0b4}
.site-foot .hours{font-size:13px;color:#93a0a8}
.site-foot .cert{font-size:12px;color:#7f8c94;font-style:italic}
.footbase{border-top:1px solid #33454f;margin-top:24px;padding-top:14px;font-size:12.5px;color:#8d979e}
.footbase a{margin-right:14px}
.copy{margin:.3rem 0 1rem}

/* ---------- sticky mobile call bar ---------- */
.mobilebar{display:none}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .herogrid,.svcgrid,.contactgrid,.footgrid,.bagrid,.tgrid,.stepgrid,.rgrid{grid-template-columns:1fr}
  .paingrid{grid-template-columns:1fr}
  .sblock{grid-template-columns:1fr}
  .svcside{position:static}
  .mainnav{margin-left:0;width:100%;order:3}
  .mainnav ul{flex-wrap:wrap;gap:8px 16px}
  .has-sub .sub{position:static;display:flex;border:0;box-shadow:none;padding:0;min-width:0}
  .has-sub .sub a{padding:4px 0;font-size:13px;color:var(--muted)}
  .headcall{margin-left:auto}
  .heroimg{height:100%}
  .herocopy h1{font-size:1.9rem}
}
@media (max-width:640px){
  body{padding-bottom:56px}
  .mobilebar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;
    border-top:2px solid var(--rust-dk);
  }
  .mobilebar a{
    flex:1;text-align:center;padding:15px 4px;background:var(--rust);color:#fff;
    text-decoration:none;font-weight:bold;font-size:15px;
  }
  .mobilebar a.alt{background:var(--navy);border-left:1px solid #33454f}
  .tstrip .wrap{font-size:11.5px;gap:2px 14px}
  .tstrip span:not(:last-child):after{margin-left:12px}
  h1{font-size:1.7rem}
  .cnum{font-size:1.9rem}
  .calloutrow .wrap{gap:18px}
}