/* Heating Services Telford — shared design system */
:root{
  --ink:#131A20; --deep:#0D1318; --panel:#1B242C; --panel-2:#212C35;
  --flame:#EE5522; --flame-lt:#FF7A3D; --ember:#FFA23A;
  --paper:#F6F3ED; --card:#FCFAF6; --line:#E1DCD1; --line-dk:#2A343D;
  --slate:#55606A; --slate-2:#8A929B; --gassafe:#FFC20E;
  --disp:'Manrope',system-ui,sans-serif; --body:'Figtree',system-ui,sans-serif;
  --wrap:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);background:var(--paper);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--disp);font-weight:800;line-height:1.05;letter-spacing:-.02em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 26px}
.eyebrow{font-family:var(--body);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--flame);font-weight:600}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:var(--ink);padding:10px 16px;z-index:200}
.skip:focus{left:8px;top:8px}
a:focus-visible,button:focus-visible,.btn:focus-visible{outline:2px solid var(--flame);outline-offset:2px}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--disp);font-weight:700;font-size:15px;
  padding:13px 22px;border-radius:9px;transition:all .16s;white-space:nowrap;cursor:pointer;border:none}
.btn.primary{background:linear-gradient(100deg,var(--flame),var(--flame-lt));color:#fff}
.btn.primary:hover{filter:brightness(1.06)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.ghost:hover{border-color:var(--flame);color:var(--flame)}
.btn.ghost.on-dark{color:#fff;border-color:rgba(255,255,255,.35)}
.btn.ghost.on-dark:hover{border-color:var(--flame-lt);color:var(--flame-lt)}
.btn.wa{background:rgba(37,211,102,.14);color:#fff;border:1.5px solid rgba(37,211,102,.55)}
.btn.wa:hover{background:rgba(37,211,102,.24)}
.btn.lg{padding:15px 26px;font-size:16px}

/* header */
.topbar{background:var(--deep);color:#9AA4AD;font-size:12.5px}
.topbar .wrap{display:flex;align-items:center;gap:16px;height:38px}
.topbar .t-24{color:var(--flame-lt)}
.topbar .r{margin-left:auto;display:flex;gap:12px;align-items:center}
.topbar .r a{color:#E7ECEF;font-weight:600}
header.site{background:rgba(19,26,32,.92);backdrop-filter:blur(10px);position:sticky;top:0;z-index:100;border-bottom:1px solid var(--line-dk)}
header.site .wrap{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:baseline;gap:2px;font-family:var(--disp);font-weight:800;font-size:20px;color:#fff;letter-spacing:-.02em}
.brand b{color:var(--flame-lt);font-weight:800}
nav.main{margin-left:auto;display:flex;gap:22px;align-items:center}
nav.main .navitem{position:relative}
nav.main a{font-size:14.5px;font-weight:500;color:#C4CCD3;transition:color .16s;display:inline-flex;align-items:center;gap:5px}
nav.main a:hover,nav.main a[aria-current="page"]{color:#fff}
nav.main a[aria-current="page"]{font-weight:600}
.dropdown{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(6px);
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;min-width:230px;
  box-shadow:0 18px 44px rgba(19,26,32,.18);opacity:0;visibility:hidden;transition:all .18s;z-index:120}
.navitem:hover .dropdown,.navitem:focus-within .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown a{display:block;color:var(--ink);font-size:14px;font-weight:500;padding:9px 13px;border-radius:8px}
.dropdown a:hover{background:var(--paper);color:var(--flame)}
.navtoggle{display:none;background:transparent;border:1.5px solid var(--line-dk);color:#fff;font-family:var(--disp);
  font-weight:700;font-size:14px;padding:8px 14px;border-radius:8px;cursor:pointer;margin-left:auto}

/* mobile nav panel */
.mnav{display:none;position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:var(--ink);z-index:200;
  padding:22px;flex-direction:column;gap:4px;overflow-y:auto;border-left:1px solid var(--line-dk)}
.mnav.open{display:flex}
.mnav .mclose{align-self:flex-end;background:transparent;border:none;color:#fff;font-size:26px;cursor:pointer}
.mnav a{color:#DDE2E7;font-family:var(--disp);font-weight:600;font-size:16px;padding:12px 8px;border-bottom:1px solid var(--line-dk)}
.mnav a.sub{font-weight:500;font-size:14.5px;color:#AEB6BE;padding-left:20px}
.mnav .mcta{margin-top:14px}
.mscrim{display:none;position:fixed;inset:0;background:rgba(9,12,15,.6);z-index:190}
.mscrim.open{display:block}

/* hero (interior pages) */
.pagehero{background:var(--ink);color:#fff;padding:52px 0 46px;border-bottom:1px solid var(--line-dk)}
.breadcrumb{font-size:12.5px;color:var(--slate-2);margin-bottom:16px}
.breadcrumb a:hover{color:var(--flame-lt)}
.breadcrumb span{color:#5A646E;margin:0 7px}
.pagehero h1{font-size:clamp(30px,5vw,50px);max-width:16ch}
.pagehero .lede{color:#C6CED4;font-size:17.5px;max-width:56ch;margin-top:16px}
.pagehero .hcta{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}

/* sections */
.sec{padding:70px 0}
.sec.tight{padding:52px 0}
.sec-paper{background:var(--paper)}
.sec-card{background:var(--card)}
.sec-dark{background:var(--ink);color:#EAEEF1}
.shead{max-width:640px;margin-bottom:34px}
.shead.center{margin-left:auto;margin-right:auto;text-align:center}
.shead .eyebrow{display:block;margin-bottom:12px}
.shead h2{font-size:clamp(26px,3.6vw,40px)}
.shead p{font-size:16.5px;color:var(--slate);margin-top:12px}
.sec-dark .shead h2{color:#fff}.sec-dark .shead p{color:#AEB6BE}

/* prose */
.prose h2{font-size:clamp(24px,3vw,32px);margin:38px 0 14px}
.prose h3{font-size:20px;margin:26px 0 10px}
.prose p{margin:0 0 14px;color:#2C353D;font-size:16px;line-height:1.7}
.prose ul{margin:0 0 16px;padding-left:2px;list-style:none}
.prose ul li{position:relative;padding:5px 0 5px 26px;color:#2C353D;font-size:15.5px}
.prose ul li::before{content:"";position:absolute;left:2px;top:13px;width:9px;height:9px;border-radius:50%;
  background:var(--flame);box-shadow:0 0 0 4px rgba(238,85,34,.14)}
.prose a{color:var(--flame);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.prose strong{color:var(--ink)}
.layout{display:grid;grid-template-columns:1fr 340px;gap:44px;align-items:start}
.aside{position:sticky;top:96px;display:grid;gap:18px}
.aside .card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}
.aside .card h3{font-size:18px;margin-bottom:6px}
.aside .card p{font-size:14px;color:var(--slate);margin-bottom:14px}
.aside .card .btn{width:100%;justify-content:center;margin-bottom:8px}
.aside .card .btn:last-child{margin-bottom:0}
.aside .gsbox{background:var(--ink);border-radius:14px;padding:22px;color:#fff;display:flex;gap:14px;align-items:center}
.aside .gsbox img{width:46px;height:46px;flex:none;background:#fff;border-radius:7px;padding:3px}
.aside .gsbox .r1{font-family:var(--disp);font-weight:700;font-size:15px}
.aside .gsbox .r2{font-size:12.5px;color:var(--ember)}

/* trust strip */
.trust{background:var(--panel)}
.trust .wrap{display:flex;flex-wrap:wrap}
.trust .ti{flex:1;min-width:170px;padding:18px 20px;border-right:1px solid var(--line-dk);display:flex;gap:12px;align-items:center}
.trust .ti:last-child{border-right:none}
.trust .ic{color:var(--flame-lt);font-size:20px;flex:none}
.trust .tt{font-family:var(--disp);font-weight:700;font-size:15px;color:#fff;line-height:1.1}
.trust .td{font-size:12px;color:var(--slate-2);margin-top:1px}

/* service cards */
.cardgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scard{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:26px 24px;transition:transform .18s,box-shadow .18s,border-color .18s;display:flex;flex-direction:column}
.scard:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(19,26,32,.1);border-color:var(--flame)}
.scard .ic{width:48px;height:48px;border-radius:11px;background:linear-gradient(135deg,rgba(238,85,34,.12),rgba(255,162,58,.16));display:flex;align-items:center;justify-content:center;margin-bottom:15px}
.scard .ic svg{width:26px;height:26px;stroke:var(--flame);stroke-width:1.9;fill:none;stroke-linecap:round;stroke-linejoin:round}
.scard h3{font-size:20px}
.scard p{font-size:14px;color:var(--slate);margin:8px 0 14px;line-height:1.55;flex:1}
.scard .lnk{font-family:var(--disp);font-weight:700;font-size:14px;color:var(--flame)}

/* faq */
.faq{display:grid;gap:12px;max-width:820px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:2px 20px}
.faq summary{font-family:var(--disp);font-weight:700;font-size:16px;padding:17px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--flame);font-size:22px;font-weight:400;flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 18px;color:#2C353D;font-size:15px;line-height:1.65}

/* cta band */
.ctaband{background:linear-gradient(120deg,var(--ink),var(--panel));color:#fff;border-radius:0}
.ctaband .wrap{padding:56px 26px;text-align:center}
.ctaband h2{font-size:clamp(26px,3.4vw,38px);color:#fff;max-width:20ch;margin:0 auto}
.ctaband p{color:#C6CED4;margin:14px auto 0;max-width:52ch}
.ctaband .b{margin-top:26px;display:flex;gap:13px;justify-content:center;flex-wrap:wrap}

/* reviews */
.revgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rev{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:22px}
.rev .st{color:var(--ember);font-size:13px;letter-spacing:1px}
.rev p{font-size:14.5px;color:#3C444C;line-height:1.6;margin:9px 0 12px}
.rev .nm{font-family:var(--disp);font-weight:700;font-size:14px}
.rev .mt{font-size:12.5px;color:var(--slate-2)}
.gbadge{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:100px;padding:7px 15px 7px 11px}
.gbadge .gs{color:var(--ember);font-size:13px;letter-spacing:1px}
.gbadge .gt{font-size:13px;color:var(--slate)}.gbadge .gt b{color:var(--ink)}
.gbadge .gwm{font-family:var(--disp);font-weight:700;font-size:15px;letter-spacing:-.02em}

/* gallery */
.galgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gtile{aspect-ratio:3/4;border-radius:12px;overflow:hidden;background:var(--panel);border:1px solid var(--line)}
.gtile img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gtile:hover img{transform:scale(1.05)}

/* areas list */
.arealist{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.arealist a{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:15px 18px;display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;transition:border-color .16s,background .16s}
.arealist a:hover{border-color:var(--flame);background:#fff}
.arealist a .p{color:var(--flame);flex:none}

/* hero badges */
.badges{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.flame-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--disp);font-weight:800;font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:#fff;background:linear-gradient(100deg,var(--flame),var(--ember));padding:7px 14px;border-radius:100px}
.flame-badge .dot{width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.35);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@media(prefers-reduced-motion:reduce){.flame-badge .dot{animation:none}}
.gs-badge{display:inline-flex;align-items:center;gap:11px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 13px 8px 10px}
.gs-badge img{width:38px;height:38px;object-fit:contain;flex:none}
.gs-badge .gs-tx{color:var(--ink);font-size:12px;line-height:1.2}
.gs-badge .gs-tx b{font-weight:700;font-family:var(--disp)}
.gs-badge .gs-tx span{color:var(--slate);font-size:11px}

/* coverage map */
.map-wrap{border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:0 12px 34px rgba(19,26,32,.08);line-height:0;margin-bottom:24px}
.map-wrap iframe{display:block;width:100%;filter:grayscale(.12)}

/* form */
.qform{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:30px}
.qform .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;font-weight:600;font-family:var(--disp);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:9px;font-family:var(--body);font-size:15px;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--flame)}
.field textarea{min-height:110px;resize:vertical}
.form-note{font-size:13px;color:var(--slate);margin-top:10px}

/* footer */
footer.site{background:var(--deep);color:#8A939C;padding:52px 0 24px;font-size:14px;border-top:1px solid var(--line-dk)}
footer.site .fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
footer.site .brand{margin-bottom:12px}
footer.site .fabout{max-width:34ch;color:#7A838C;line-height:1.6;font-size:13.5px}
footer.site h4{font-family:var(--disp);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#AEB6BE;margin-bottom:13px}
footer.site ul{list-style:none}
footer.site li{padding:4px 0}
footer.site a:hover{color:var(--flame-lt)}
footer.site .fbot{border-top:1px solid var(--line-dk);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px;color:#6A737C}

/* mobile call bar */
.mobilecall{display:none}

@media(max-width:960px){
  nav.main{display:none}
  header.site .wrap>.btn{display:none}
  .navtoggle{display:inline-flex}
  .layout{grid-template-columns:1fr;gap:32px}
  .aside{position:static}
  .cardgrid,.revgrid,.galgrid,.arealist{grid-template-columns:1fr 1fr}
  footer.site .fgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .wrap{padding:0 18px}
  .cardgrid,.revgrid,.galgrid{grid-template-columns:1fr}
  .arealist{grid-template-columns:1fr 1fr;gap:10px}
  .qform .row{grid-template-columns:1fr}
  .trust .ti{flex:1 1 50%;border-bottom:1px solid var(--line-dk)}
  footer.site .fgrid{grid-template-columns:1fr}
  .topbar .r{display:none}
  body{padding-bottom:64px}
  .mobilecall{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:150;background:var(--ink);border-top:1px solid var(--line-dk);padding:9px 12px;gap:10px}
  .mobilecall a{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;font-family:var(--disp);font-weight:700;font-size:15px;padding:12px;border-radius:8px}
  .mobilecall .mc{background:linear-gradient(100deg,var(--flame),var(--flame-lt));color:#fff}
  .mobilecall .mw{background:#25D366;color:#fff}
}

/* narrow-screen button safety */
@media(max-width:400px){
  .btn{white-space:normal;text-align:center;max-width:100%}
  .pagehero .hcta .btn,.ctaband .b .btn{width:100%;justify-content:center}
}

/* service-page figure (combustion testing) */
.servefig{margin:22px 0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--card)}
.servefig img{display:block;width:100%;height:auto}
.servefig figcaption{font-size:13.5px;color:var(--slate);padding:13px 16px;line-height:1.6}
.servefig figcaption strong{color:var(--ink);font-family:var(--disp)}

/* footer legal links */
.flegal a{color:#8A939C;text-decoration:underline;text-underline-offset:2px}
.flegal a:hover{color:var(--flame-lt)}

/* contact form privacy note */
.privacy-note{font-size:13px;color:var(--slate);line-height:1.6;margin-top:14px}
.privacy-note a{color:var(--flame);text-decoration:underline}

/* legal / policy pages */
.legal{max-width:760px}
.legal h2{font-size:22px;margin:30px 0 10px}
.legal h3{font-size:17px;margin:22px 0 8px}
.legal p,.legal li{color:var(--slate);line-height:1.7;font-size:15px}
.legal ul{margin:8px 0 8px 20px}
.legal li{margin-bottom:6px}
.legal .updated{font-size:13px;color:var(--slate);opacity:.85;margin-bottom:6px}
.legal .confirm{background:#FFF6E9;border:1px solid #F3D9A8;border-radius:8px;padding:2px 7px;font-size:13px;color:#7a5a1e}

/* homepage split boiler hero */
.hero-split-inner{position:relative;background:linear-gradient(115deg,#0D1318 0%,#131A20 52%,#19232b 100%)}
.hero-split-inner::after{content:"";position:absolute;inset:0;background:radial-gradient(95% 120% at 12% 12%,rgba(238,85,34,.10),transparent 55%);pointer-events:none}
.hero-split-wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center;padding-top:56px;padding-bottom:56px}
.hero-split .hero-copy{min-width:0}
.hero-split .hero-photo{margin:0;align-self:center;aspect-ratio:4/5;max-height:600px;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:0 26px 60px rgba(0,0,0,.5)}
.hero-split .hero-photo img{width:100%;height:100%;object-fit:cover;display:block}
@media(max-width:860px){
  .hero-split-wrap{grid-template-columns:1fr;gap:26px;padding-top:38px;padding-bottom:38px}
  .hero-split .hero-photo{justify-self:center;width:100%;max-width:430px;max-height:none}
}


/* ===== one-pager design system (shared) ===== */

  :root{
    --ink:#131A20;
    --deep:#0D1318;
    --panel:#1B242C;
    --flame:#EE5522;
    --flame-lt:#FF7A3D;
    --ember:#FFA23A;
    --paper:#F6F3ED;
    --card:#FCFAF6;
    --line:#E1DCD1;
    --line-dk:#2A343D;
    --slate:#55606A;
    --slate-lt:#8A929B;
    --gassafe:#FFC20E;
    --disp:'Manrope',system-ui,sans-serif;
    --body:'Figtree',system-ui,sans-serif;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:var(--body);background:var(--paper);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:1180px;margin:0 auto;padding:0 26px}
  h1,h2,h3{font-family:var(--disp);font-weight:800;line-height:1.04;letter-spacing:-.02em}
  .eyebrow{font-family:var(--body);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--flame);font-weight:700}

  /* flame badge */
  .flame-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--disp);font-weight:800;
    font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:#fff;
    background:linear-gradient(100deg,var(--flame),var(--ember));padding:7px 14px;border-radius:100px}
  .flame-badge .dot{width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.35);animation:pulse 2s infinite}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
  @media(prefers-reduced-motion:reduce){.flame-badge .dot{animation:none}}

  .gs-badge{display:inline-flex;align-items:center;gap:11px;background:#fff;border:1px solid var(--line);
    border-radius:8px;padding:8px 13px 8px 10px}
  .gs-badge img{width:38px;height:38px;object-fit:contain;flex:none}
  .gs-badge .gs-tx{color:var(--ink);font-size:12px;line-height:1.2}
  .gs-badge .gs-tx b{font-weight:700;font-family:var(--disp)}
  .gs-badge .gs-tx span{color:var(--slate);font-size:11px}

  /* top bar */
  .topbar{background:var(--deep);color:#C3C9CF;font-size:13px}
  .topbar .wrap{display:flex;align-items:center;gap:18px;height:42px;flex-wrap:wrap}
  .topbar .t-24{color:var(--ember);font-weight:600}
  .topbar .r{margin-left:auto;display:flex;gap:16px;align-items:center}
  .topbar .r a{color:#fff;font-weight:600}
  .topbar .r .sep{color:var(--line-dk)}

  /* header */
  header.site{background:var(--ink);position:sticky;top:0;z-index:60;border-bottom:1px solid var(--line-dk)}
  header.site .wrap{display:flex;align-items:center;gap:18px;height:74px}
  .brand{display:flex;flex-direction:column;line-height:1.02}
  .brand .n{font-family:var(--disp);font-weight:800;font-size:21px;color:#fff;letter-spacing:-.01em}
  .brand .n b{color:var(--flame-lt)}
  .brand .t{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:#8A929B;margin-top:2px}
  nav.main{margin-left:auto;display:flex;gap:24px;align-items:center}
  nav.main a{font-size:14.5px;font-weight:500;color:#D7DCE1;transition:color .16s}
  nav.main a:hover{color:var(--flame-lt)}
  .callbtn{display:inline-flex;align-items:center;gap:9px;font-family:var(--disp);font-weight:700;font-size:16px;
    background:linear-gradient(100deg,var(--flame),var(--flame-lt));color:#fff;padding:11px 18px;border-radius:7px;
    transition:filter .16s;white-space:nowrap}
  .callbtn:hover{filter:brightness(1.08)}
  .callbtn .ph{font-size:16px}
  .navtoggle{display:none}

  /* hero */
  .hero{position:relative;min-height:min(84vh,680px);display:flex;align-items:center;
    background:linear-gradient(115deg,#0D1318 0%,#131A20 52%,#19232b 100%)}
  .hero::after{content:"";position:absolute;inset:0;
    background:radial-gradient(95% 120% at 12% 12%,rgba(238,85,34,.10),transparent 55%)}
  .hero .wrap{position:relative;z-index:2;padding:56px 26px;display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center}
  .hero-copy{min-width:0}
  .hero .badges{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:22px}
  .hero h1{color:#fff;font-size:clamp(34px,4.6vw,54px);font-weight:800;max-width:none;line-height:1.0}
  .hero h1 em{font-style:normal;color:var(--flame-lt)}
  .hero .sub{color:#D3D9DE;font-size:18px;max-width:44ch;margin-top:20px;line-height:1.55}
  .hero .sub b{color:#fff;font-weight:600}
  .hero-call{margin-top:30px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
  .bigcall{display:inline-flex;flex-direction:column;background:linear-gradient(100deg,var(--flame),var(--flame-lt));
    color:#fff;padding:14px 26px;border-radius:11px;box-shadow:0 12px 34px rgba(238,85,34,.34);transition:transform .16s}
  .bigcall:hover{transform:translateY(-2px)}
  .bigcall .cl{font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;opacity:.92}
  .bigcall .num{font-family:var(--disp);font-weight:800;font-size:clamp(26px,3.6vw,34px);letter-spacing:-.01em;line-height:1.05}
  .wa-btn{display:inline-flex;align-items:center;gap:9px;background:rgba(37,211,102,.14);color:#fff;font-weight:600;font-size:15px;
    padding:14px 20px;border-radius:11px;border:1.5px solid rgba(37,211,102,.55);transition:background .16s}
  .wa-btn:hover{background:rgba(37,211,102,.24)}
  .wa-btn .wi{color:#25D366;font-size:17px}
  .hero-rating{margin-top:14px;display:flex;align-items:center;gap:10px;color:#D3D9DE;font-size:14px}
  .hero-rating .stars{color:var(--ember);font-size:16px;letter-spacing:1px}
  .hero-photo{margin:0;align-self:center;aspect-ratio:4/5;max-height:600px;border-radius:16px;overflow:hidden;
    border:1px solid rgba(255,255,255,.16);box-shadow:0 26px 60px rgba(0,0,0,.5)}
  .hero-photo img{width:100%;height:100%;object-fit:cover;display:block}
  @media(max-width:860px){
    .hero .wrap{grid-template-columns:1fr;gap:26px;padding:38px 26px}
    .hero h1{font-size:clamp(32px,7vw,46px)}
    .hero-call{margin-top:24px}
    .hero-photo{justify-self:center;width:100%;max-width:430px;max-height:none}
  }
  .hero-rating b{color:#fff}

  /* trust strip */
  .trust{background:var(--ink);border-bottom:1px solid var(--line-dk)}
  .trust .wrap{display:flex;flex-wrap:wrap;gap:0}
  .trust .ti{flex:1;min-width:180px;padding:20px 22px;border-right:1px solid var(--line-dk);display:flex;gap:13px;align-items:center}
  .trust .ti:last-child{border-right:none}
  .trust .ti .ic{color:var(--flame-lt);font-size:22px;flex:none}
  .trust .ti .tt{font-family:var(--disp);font-weight:700;font-size:16px;color:#fff;line-height:1.05}
  .trust .ti .td{font-size:12.5px;color:#9AA2AA;margin-top:1px}

  /* section base */
  section.blk{padding:74px 0}
  .shead{margin-bottom:36px}
  .shead .eyebrow{display:block;margin-bottom:10px}
  .shead h2{font-size:clamp(28px,4vw,44px);font-weight:800;max-width:20ch;line-height:1.02}
  .shead p{font-size:16.5px;color:var(--slate);margin-top:12px;max-width:56ch}

  /* services — text/icon cards */
  .svcgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .svc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px 24px 24px;
    transition:transform .18s,box-shadow .18s,border-color .18s}
  .svc:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(19,26,32,.1);border-color:var(--flame)}
  .svc .svc-ic{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;
    border-radius:13px;background:linear-gradient(135deg,rgba(238,85,34,.12),rgba(255,162,58,.14));
    margin-bottom:16px}
  .svc .svc-ic svg{width:28px;height:28px;stroke:var(--flame);stroke-width:1.9;fill:none;
    stroke-linecap:round;stroke-linejoin:round}
  .svc h3{font-size:21px;font-weight:700}
  .svc p{font-size:14px;color:var(--slate);margin-top:8px;line-height:1.55}

  /* unvented cylinder feature */
  .svc-feature{margin-top:18px;display:grid;grid-template-columns:.82fr 1.18fr;gap:36px;align-items:center;
    background:linear-gradient(120deg,var(--ink),var(--panel));border:1px solid var(--line-dk);border-radius:14px;padding:34px 36px}
  .svc-feature .sf-img{margin:0;aspect-ratio:4/5;border-radius:10px;overflow:hidden;border:1px solid var(--line-dk)}
  .svc-feature .sf-img img{width:100%;height:100%;object-fit:cover;display:block}
  .svc-feature .sf-l .sf-list{margin-top:18px}
  .svc-feature .sf-tag{display:inline-block;font-family:var(--disp);font-weight:700;font-size:12px;letter-spacing:.06em;
    text-transform:uppercase;color:#fff;background:var(--flame);padding:5px 12px;border-radius:100px;margin-bottom:14px}
  .svc-feature h3{font-size:26px;font-weight:700;color:#fff;letter-spacing:-.01em}
  .svc-feature p{font-size:15px;color:#C3CAD1;margin-top:10px;line-height:1.6}
  .svc-feature p b{color:#fff;font-weight:700}
  .svc-feature .sf-list{list-style:none;display:grid;gap:11px}
  .svc-feature .sf-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:#DDE2E7}
  .svc-feature .sf-list li .ck{color:var(--flame-lt);font-weight:800;flex:none}

  /* why toc */
  .why{background:var(--ink);color:#E7EBEF}
  .why .wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;padding:78px 26px}
  .why .eyebrow{display:block;margin-bottom:12px}
  .why h2{font-size:clamp(28px,4vw,44px);color:#fff;font-weight:800;max-width:16ch;line-height:1.02}
  .why h2 em{font-style:normal;color:var(--flame-lt)}
  .why p{color:#B9C1C9;font-size:16px;margin-top:18px;line-height:1.7;max-width:46ch}
  .why p+p{margin-top:13px}
  .why .pts{list-style:none;margin-top:24px;display:grid;gap:12px}
  .why .pts li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:#DDE2E7}
  .why .pts li .ck{color:var(--flame-lt);font-weight:800;flex:none;font-size:17px;line-height:1.3}
  .why .card{background:var(--panel);border:1px solid var(--line-dk);border-radius:14px;padding:30px}
  .why .card .qh{font-family:var(--disp);font-weight:700;font-size:19px;color:#fff;margin-bottom:14px}
  .why .card .stat{display:flex;align-items:baseline;gap:12px;padding:14px 0;border-bottom:1px solid var(--line-dk)}
  .why .card .stat:last-child{border-bottom:none}
  .why .card .stat .v{font-family:var(--disp);font-weight:800;font-size:30px;color:var(--flame-lt);flex:none;min-width:3.4ch}
  .why .card .stat .k{font-size:14px;color:#C3CACF;line-height:1.3}

  /* gallery */
  .galgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
  .gtile{position:relative;border-radius:11px;overflow:hidden;aspect-ratio:3/4;background:var(--panel);border:1px solid var(--line)}
  .gtile img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
  .gtile:hover img{transform:scale(1.05)}

  /* landlord gas certificates */
  .landlord{background:var(--ink);color:#E7EBEF;border-top:1px solid var(--line-dk)}
  .ll-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:start}
  .ll-main .eyebrow{display:block;margin-bottom:12px}
  .ll-main h2{font-size:clamp(28px,4vw,44px);color:#fff;font-weight:800;letter-spacing:-.01em;line-height:1.04}
  .ll-main h2 .ll-cp12{color:var(--ember);font-weight:800}
  .ll-lead{color:#B9C1C9;font-size:16.5px;margin-top:18px;line-height:1.7;max-width:52ch}
  .ll-list{list-style:none;margin-top:22px;display:grid;gap:11px}
  .ll-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:#DDE2E7}
  .ll-list li .ck{color:var(--flame-lt);font-weight:800;flex:none}
  .ll-cta{display:flex;gap:13px;margin-top:28px;flex-wrap:wrap}
  .ll-cta .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--disp);font-weight:700;font-size:15px;padding:14px 24px;border-radius:10px;border:1.5px solid transparent;transition:background .2s,border-color .2s}
  .ll-cta .btn:not(.ghost){background:#25D366;color:#06371e}
  .ll-cta .btn:not(.ghost):hover{background:#20c15c}
  .ll-cta .btn.ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.55);color:#fff}
  .ll-cta .btn.ghost:hover{background:rgba(255,255,255,.16)}
  .ll-card{background:var(--panel);border:1px solid var(--line-dk);border-radius:14px;padding:26px}
  .ll-badge-row{display:flex;align-items:center;gap:14px;padding-bottom:18px;border-bottom:1px solid var(--line-dk)}
  .ll-badge-row img{border-radius:6px;flex:none}
  .ll-reg{font-family:var(--disp);font-weight:700;font-size:16px;color:#fff}
  .ll-num{font-family:var(--body);font-size:13px;color:var(--ember);font-weight:600}
  .ll-note{font-size:14px;color:#AEB6BF;line-height:1.6;margin:16px 0 18px}
  .ll-fact{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-top:1px solid var(--line-dk)}
  .ll-fact-k{font-size:13.5px;color:#9AA2AA}
  .ll-fact-v{font-family:var(--disp);font-weight:700;font-size:13.5px;color:#fff;text-align:right}

  /* reviews */
  .rev-section{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .rev-top{display:inline-flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:32px;max-width:100%;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 24px 16px 22px;box-shadow:0 8px 24px rgba(19,26,32,.06)}
  .rev-score{font-family:var(--disp);font-weight:800;font-size:52px;color:var(--ink);line-height:1}
  .rev-meta .stars{color:var(--ember);font-size:20px;letter-spacing:2px}
  .rev-meta .rc{font-size:14px;color:var(--slate);margin-top:2px}
  /* reviews carousel */
  .rev-carousel{position:relative}
  .revtrack{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
    padding:4px 4px 18px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .revtrack::-webkit-scrollbar{display:none}
  .rev{flex:0 0 360px;max-width:360px;scroll-snap-align:start;background:var(--paper);
    border:1px solid var(--line);border-radius:14px;padding:24px 24px}
  .rev .rh{display:flex;align-items:center;gap:11px;margin-bottom:12px}
  .rev .av{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--flame),var(--ember));
    color:#fff;font-family:var(--disp);font-weight:700;font-size:17px;display:flex;align-items:center;justify-content:center;flex:none}
  .rev .nm{font-family:var(--disp);font-weight:700;font-size:15px;line-height:1.1}
  .rev .st{color:var(--ember);font-size:13px;letter-spacing:1px;margin-top:1px}
  .rev p{font-size:14.5px;color:#3C444C;line-height:1.6}
  .rev-nav{display:flex;gap:9px;justify-content:flex-end;margin-top:6px}
  .rev-nav button{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--line-dk);
    background:var(--ink);color:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;
    transition:background .16s,border-color .16s}
  .rev-nav button:hover{background:var(--flame);border-color:var(--flame)}
  .rev-nav button:focus-visible{outline:2px solid var(--ember);outline-offset:2px}

  /* areas */
  .areas{background:var(--paper)}
  .map-wrap{border-radius:14px;overflow:hidden;border:1px solid var(--line);
    box-shadow:0 12px 34px rgba(19,26,32,.08);line-height:0}
  .map-wrap iframe{display:block;width:100%;filter:grayscale(.12)}
  .area-towns{margin-top:20px;font-size:14.5px;color:var(--slate);line-height:1.7;max-width:70ch}
  .area-towns strong{color:var(--ink);font-family:var(--disp);font-weight:700}
  .area-note{margin-top:12px;font-size:14.5px;color:var(--slate)}

  /* contact */
  .contact{background:var(--ink);color:#E7EBEF}
  .contact .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;padding:78px 26px}
  .contact .eyebrow{display:block;margin-bottom:12px}
  .contact h2{font-size:clamp(28px,4vw,44px);color:#fff;font-weight:800;max-width:15ch;line-height:1.02}
  .contact .ci{color:#B9C1C9;font-size:16px;margin-top:16px;max-width:42ch;line-height:1.6}
  .contact .cbtns{display:flex;gap:13px;margin-top:26px;flex-wrap:wrap}
  .contact .infocard{background:var(--panel);border:1px solid var(--line-dk);border-radius:14px;overflow:hidden}
  .contact .ir{display:flex;justify-content:space-between;gap:16px;padding:17px 22px;border-bottom:1px solid var(--line-dk);font-size:14.5px}
  .contact .ir:last-child{border-bottom:none}
  .contact .ir .k{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:#8A929B;flex:none;padding-top:3px}
  .contact .ir .v{text-align:right;color:#fff;line-height:1.5}
  .contact .ir .v a{color:var(--flame-lt);font-weight:600}
  .contact .ir .v .big{font-family:var(--disp);font-weight:800;font-size:19px}
  .email-btn{display:inline-flex;align-items:center;gap:7px;background:var(--flame);color:#fff;font-weight:600;
    font-size:14px;padding:9px 16px;border-radius:8px;transition:background .16s}
  .email-btn:hover{background:var(--flame-lt)}
  .hours-line{color:var(--ember);font-weight:600}

  /* footer */
  footer.site{background:var(--deep);color:#8A929B;padding:50px 0 26px;font-size:14px}
  footer.site .wrap{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px}
  footer.site h4{font-family:var(--disp);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:#B7BEC5;margin-bottom:14px;font-weight:700}
  footer.site .fbrand .n{font-family:var(--disp);font-weight:800;font-size:22px;color:#fff}
  footer.site .fbrand .n b{color:var(--flame-lt)}
  footer.site .fbrand p{margin-top:12px;max-width:38ch;color:#7E868E;line-height:1.6;font-size:13.5px}
  footer.site .fbrand .gs-badge{margin-top:16px}
  footer.site ul{list-style:none}
  footer.site li{padding:5px 0}
  footer.site a:hover{color:#fff}
  footer.site .fbot{border-top:1px solid var(--line-dk);margin-top:38px;padding-top:20px;
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#6C747C}

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

  a:focus-visible,.callbtn:focus-visible,.bigcall:focus-visible{outline:2px solid var(--ember);outline-offset:3px}
  @media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}

  @media(max-width:1000px){
    nav.main{display:none}
    body.nav-open nav.main{display:flex;flex-direction:column;align-items:stretch;position:absolute;top:100%;left:0;right:0;background:var(--ink);border-bottom:1px solid var(--line-dk);padding:10px 20px 16px;gap:2px;box-shadow:0 20px 40px rgba(0,0,0,.45)}
    body.nav-open nav.main a{padding:13px 4px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.06)}
    body.nav-open nav.main a:last-child{border-bottom:none}
    .navtoggle[aria-expanded="true"]{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.45)}
    header.site .wrap>.callbtn{display:none}
    .navtoggle{display:inline-flex;margin-left:auto}
    .why .wrap,.contact .wrap{grid-template-columns:1fr;gap:36px}
    .ll-grid{grid-template-columns:1fr;gap:32px}
    .svcgrid,.galgrid{grid-template-columns:1fr 1fr}
  }
  @media(max-width:600px){
    .wrap{padding:0 18px}
    .svcgrid,.galgrid{grid-template-columns:1fr}
    .svc-feature{grid-template-columns:1fr;gap:20px;padding:28px 24px}
    .trust .ti{flex:1 1 50%;border-bottom:1px solid var(--line-dk)}
    footer.site .wrap{grid-template-columns:1fr}
    .topbar .r{display:none}
    .contact .ir{flex-wrap:wrap}
    .contact .ir .v{text-align:left}
    body{padding-bottom:66px}
    .mobilecall{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:80;
      background:var(--ink);border-top:1px solid var(--line-dk);padding:9px 12px;gap:10px}
    .mobilecall a{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;
      font-family:var(--disp);font-weight:700;font-size:15px;padding:12px;border-radius:8px}
    .mobilecall .mc{background:linear-gradient(100deg,var(--flame),var(--flame-lt));color:#fff}
    .mobilecall .mw{background:#25D366;color:#fff}
  }
  .navtoggle{background:transparent;border:1.5px solid var(--line-dk);color:#fff;font-family:var(--disp);
    font-weight:700;font-size:14px;padding:9px 15px;border-radius:7px;cursor:pointer}
  .rev-meta .g-brand{display:flex;align-items:center;gap:8px;margin-bottom:5px}
  .rev-meta .g-word{font-family:var(--disp);font-weight:700;font-size:17px;letter-spacing:-.02em;line-height:1}
  .rev-meta .g-lbl{font-weight:600;font-size:14px;color:var(--slate)}


/* ===== dropdown subpage nav ===== */
header.site .wrap{overflow:visible}
nav.main{margin-left:auto;display:flex;gap:24px;align-items:center}
nav.main .navitem{position:relative}
nav.main .navitem>a{font-size:14.5px;font-weight:500;color:#D7DCE1;transition:color .16s;cursor:pointer;display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
nav.main .navitem>a:hover,nav.main .navitem>a[aria-current="page"]{color:var(--flame-lt)}
nav.main .dropdown{position:absolute;top:100%;left:-12px;min-width:255px;background:var(--ink);border:1px solid var(--line-dk);border-radius:10px;padding:8px;box-shadow:0 18px 40px rgba(0,0,0,.42);opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .16s,transform .16s,visibility .16s;z-index:80}
nav.main .navitem:hover>.dropdown,nav.main .navitem:focus-within>.dropdown{opacity:1;visibility:visible;transform:translateY(0)}
nav.main .dropdown a{display:block;padding:10px 12px;border-radius:7px;font-size:14px;font-weight:500;color:#C4CCD3;white-space:nowrap}
nav.main .dropdown a:hover{background:rgba(255,255,255,.07);color:#fff}
@media(min-width:1001px){.navtoggle{display:none}}
@media(max-width:1000px){
  nav.main{display:none}
  header.site .wrap>.callbtn{display:none}
  .navtoggle{display:inline-flex;margin-left:auto}
  body.nav-open nav.main{display:flex;flex-direction:column;align-items:stretch;position:absolute;top:100%;left:0;right:0;background:var(--ink);border-bottom:1px solid var(--line-dk);padding:10px 20px 18px;gap:0;box-shadow:0 20px 40px rgba(0,0,0,.45);max-height:82vh;overflow:auto}
  nav.main .navitem{width:100%}
  body.nav-open nav.main .navitem>a{padding:13px 4px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.06)}
  body.nav-open nav.main .dropdown{position:static;opacity:1;visibility:visible;transform:none;background:none;border:none;box-shadow:none;padding:2px 0 10px 14px;min-width:0}
  body.nav-open nav.main .dropdown a{padding:9px 4px;font-size:15px;color:#AEB6BE}
}