:root{
  --ink:#16202b; --muted:#5b6a7a; --line:#e2e8ee; --bg:#fff; --soft:#f5f8fa;
  --brand:#0e4f7a;      /* deep cool blue */
  --brand-dk:#0a3b5c;
  --accent:#e0672a;     /* heat orange, used sparingly */
  --ok:#1d7a52;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
a{color:var(--brand)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(30px,5vw,46px);letter-spacing:-.02em}
h2{font-size:clamp(23px,3.2vw,32px);letter-spacing:-.01em}
h3{font-size:19px}
p{margin:0 0 1em}
.ph{background:#fff6e8;outline:1px dashed #d9a441;padding:0 .25em;border-radius:3px;color:#8a5a00;font-style:normal}

/* header */
.topbar{background:var(--brand-dk);color:#dbeaf5;font-size:13.5px}
.topbar .wrap{display:flex;gap:18px;justify-content:space-between;align-items:center;min-height:38px;flex-wrap:wrap}
header.site{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;gap:24px;min-height:74px}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);font-weight:800;font-size:19px;letter-spacing:-.01em;white-space:nowrap}
.logo .mark{width:36px;height:36px;border-radius:9px;display:block;flex:none}
.logo small{display:block;font-weight:600;font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
nav.main{margin-left:auto;display:flex;gap:26px}
nav.main a{text-decoration:none;color:var(--ink);font-weight:600;font-size:15px}
nav.main a:hover{color:var(--brand)}
.callbtn{display:inline-flex;flex-direction:column;background:var(--accent);color:#fff;text-decoration:none;padding:9px 18px;border-radius:9px;font-weight:800;line-height:1.25}
.callbtn span{font-weight:600;font-size:11.5px;opacity:.92;letter-spacing:.03em}
.navtoggle{display:none}

/* hero */
.hero{position:relative;background:var(--brand-dk);color:#fff;overflow:hidden}
.hero .img{position:absolute;inset:0;background:
  radial-gradient(120% 100% at 75% 20%,rgba(28,123,176,.55),transparent 60%),
  linear-gradient(100deg,#0a3b5c 40%,#0e4f7a 100%);}
.hero .img::after{content:"HERO IMAGE 2400×1200 — clean condenser install, Central Texas home, limestone + live oaks";position:absolute;right:20px;bottom:14px;font-size:11px;letter-spacing:.04em;color:rgba(255,255,255,.45);max-width:45%;text-align:right}
.hero .wrap{position:relative;padding:74px 20px 66px;max-width:var(--max)}
.hero .box{max-width:620px}
.eyebrow{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);padding:5px 13px;border-radius:99px;font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-bottom:18px}
.hero p.sub{font-size:18.5px;color:#cfe3f1;max-width:52ch}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-block;padding:14px 26px;border-radius:10px;text-decoration:none;font-weight:700;font-size:16px}
.btn.primary{background:var(--accent);color:#fff}
.btn.ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn.solid{background:var(--brand);color:#fff}

/* trust strip */
.trust{background:var(--soft);border-bottom:1px solid var(--line)}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:18px 20px}
.trust div{display:flex;align-items:center;gap:9px;font-weight:700;font-size:14.5px}
.trust svg{flex:none}

section{padding:64px 0}
section.alt{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.lead{color:var(--muted);max-width:62ch;font-size:17px}
.center{text-align:center;margin:0 auto}

/* services */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;transition:.15s}
.card:hover{border-color:#bcd3e4;box-shadow:0 8px 24px rgba(14,79,122,.08);transform:translateY(-2px)}
.card .ico{width:46px;height:46px;border-radius:11px;background:#e8f2f9;display:grid;place-items:center;margin-bottom:14px;color:var(--brand)}
.card h3{margin-bottom:6px}
.card p{margin:0;color:var(--muted);font-size:15px}

/* why */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;margin-top:34px}
.why h3{display:flex;align-items:center;gap:9px}
.why .n{width:27px;height:27px;border-radius:50%;background:var(--brand);color:#fff;font-size:13px;display:grid;place-items:center;flex:none}
.why p{color:var(--muted);font-size:15.5px;margin:0}

/* area */
.areawrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.towns{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.towns span{background:#fff;border:1px solid var(--line);border-radius:99px;padding:7px 15px;font-size:14px;font-weight:600}
.mapph{aspect-ratio:3/1.35;border-radius:14px;border:1px dashed #b9cede;background:
  repeating-linear-gradient(45deg,#eef5fa 0 12px,#e7f0f7 12px 24px);
  display:grid;place-items:center;color:#6d8ba3;font-size:13px;text-align:center;padding:16px}

/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:11px}
details[open]{border-color:#bcd3e4}
summary{cursor:pointer;font-weight:700;font-size:16.5px;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--brand);font-weight:800}
details[open] summary::after{content:"–"}
details p{margin:12px 0 0;color:var(--muted);font-size:15.5px}

/* cta band */
.band{background:linear-gradient(100deg,var(--brand-dk),#14618f);color:#fff;border-radius:16px;padding:40px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
.band h2{margin:0 0 6px}
.band p{margin:0;color:#cfe3f1}

/* contact */
.contact{display:grid;grid-template-columns:1.1fr .9fr;gap:40px}
form{display:grid;gap:13px}
label{font-weight:700;font-size:13.5px;display:block;margin-bottom:5px}
input,select,textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:9px;font:inherit;font-size:15px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #bcd9ef;border-color:var(--brand)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.infobox{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:26px}
.infobox dt{font-size:12px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700;margin-top:16px}
.infobox dt:first-child{margin-top:0}
.infobox dd{margin:3px 0 0;font-weight:600}

footer.site{background:#0d1b26;color:#9fb4c4;font-size:14.5px;padding:48px 0 30px;margin-top:0}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
footer.site h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.07em;margin:0 0 12px}
footer.site a{color:#9fb4c4;text-decoration:none;display:block;margin-bottom:7px}
footer.site a:hover{color:#fff}
.license{margin-top:30px;padding-top:20px;border-top:1px solid #1e3040;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px}

@media(max-width:900px){
  .grid3,.why,.areawrap,.contact,.band,footer.site .cols{grid-template-columns:1fr}
  .trust .wrap{grid-template-columns:1fr 1fr}
  nav.main{display:none}
  .hero .img::after{display:none}
}

/* ---- inner page additions ---- */
.pagehead{background:linear-gradient(100deg,var(--brand-dk),#14618f);color:#fff;padding:52px 0 46px}
.pagehead h1{margin:0 0 10px;font-size:clamp(28px,4.4vw,40px)}
.pagehead p{margin:0;color:#cfe3f1;max-width:60ch;font-size:17.5px}
.crumbs{font-size:13.5px;color:#9fc3dd;margin-bottom:14px}
.crumbs a{color:#9fc3dd;text-decoration:none}
.crumbs a:hover{color:#fff}
.svc{border-top:1px solid var(--line);padding:38px 0}
.svc:first-of-type{border-top:0;padding-top:8px}
.svc h2{margin-bottom:10px}
.svc ul{margin:14px 0 0;padding-left:20px;color:var(--muted)}
.svc li{margin-bottom:7px}
.svc .body{color:var(--muted);max-width:66ch}
.callout{background:#fff4ec;border:1px solid #f2d3bd;border-left:4px solid var(--accent);border-radius:10px;padding:20px 24px;margin:28px 0}
.callout h3{margin:0 0 6px}
.callout p{margin:0;color:#7a5238}
.townlist{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:30px}
.town{background:#fff;border:1px solid var(--line);border-radius:13px;padding:22px}
.town h3{margin-bottom:7px}
.town p{margin:0 0 12px;color:var(--muted);font-size:15px}
.town a{font-weight:700;font-size:14.5px;text-decoration:none}
.prose{max-width:70ch}
.prose p{color:var(--muted);font-size:16.5px}
.creds{list-style:none;padding:0;margin:22px 0 0}
.creds li{padding:9px 0 9px 28px;border-bottom:1px solid var(--line);position:relative;font-size:15.5px}
.creds li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
@media(max-width:900px){.townlist{grid-template-columns:1fr}}