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h3{color:white}.fine{font-size:12px;color:#9099a3;margin-top:28px}.visually-hidden{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden}.mobile-cta{display:none}@media(max-width:980px){.shell{width:min(100% - 38px,1170px)}.links{gap:10px}.links a{font-size:12px}.nav .btn{padding:10px 12px}.hero-grid{gap:20px;grid-template-columns:1fr 0.9fr}.hero h1{font-size:41px}.trust .shell{grid-template-columns:1fr 1fr}.trust-item:nth-child(2){border:0}.story{gap:24px}.service-grid{grid-template-columns:1fr 1fr}}@media(max-width:750px){.utility{font-size:10px}.utility .shell{gap:7px}.nav .shell{height:67px}.nav-toggle{display:block;border:1px solid #ddd;border-radius:8px;background:#fff;padding:10px;font-size:20px}.links{display:none;position:absolute;top:67px;left:0;right:0;background:white;flex-direction:column;align-items:stretch;padding:20px;box-shadow:0 10px 18px #0002}.links.open{display:flex}.nav>.shell>.btn{display:none}.hero-grid{grid-template-columns:1fr;padding-top:37px}.hero h1{font-size:clamp(37px,9vw,55px)}.hero:before{background:#141a20df}.hero-note{margin-left:20px}.checks{gap:13px}.story{grid-template-columns:1fr}.trust .shell{grid-template-columns:1fr 1fr}.trust-item{padding:5px 0}.trust-item b{font-size:10px}.service-grid{grid-template-columns:1fr 1fr}.footer .shell{grid-template-columns:1fr 1fr}.footer .shell>div:first-child{grid-column:1/-1}.mobile-cta{display:flex;position:sticky;bottom:0;z-index:12;background:#111820;padding:8px;gap:8px}.mobile-cta a{flex:1;padding:10px;font-size:13px}.pipes{right:-110px;opacity:.3}}@media(max-width:500px){.shell{width:calc(100% - 32px)}.logo{min-width:0}.logo-word{font-size:17px}.logo small{font-size:8px}.utility .shell{display:block}.utility 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/* Approved screenshot-inspired visual refinement. Shared across all SEO pages. */
:root{--yellow:#ffbf00;--ink:#111720;--muted:#6d7783}
body{background:#fff;letter-spacing:-.01em}
.shell{width:min(1215px,calc(100% - 88px))}
.utility{padding:12px 0;background:#10151a;font-size:12px}
.utility .shell{align-items:center}
.utility .shell>span:first-child:before{content:"◆";color:var(--yellow);margin-right:7px}
.nav .shell{height:76px}
.nav{box-shadow:0 2px 12px #05090d1c}
.logo{gap:11px}
.flame{font-size:0;background:#11171d url('/assets/favicon.svg') center/contain no-repeat;border-radius:8px}
.links{gap:26px}
.nav>.shell>.btn{padding:12px 19px;border-radius:8px}
.hero{min-height:626px;background:radial-gradient(ellipse at 59% 48%,#483122 0,#151c21 51%,#0e1419 100%);isolation:isolate}
.hero:after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(90deg,transparent 0,transparent 147px,#8b59211a 150px,#c477242a 153px,transparent 157px,transparent 206px);opacity:.4}
.hero:before{background:linear-gradient(90deg,#10161beb 0%,#10161bd9 31%,#10161b45 53%,#10161be3 96%);z-index:1}
.hero-grid{grid-template-columns:minmax(0,1.4fr) minmax(348px,.96fr);gap:45px;padding-top:54px;padding-bottom:49px}
.hero-copy{max-width:640px}
.eyebrow{padding:7px 11px;font-size:11px;letter-spacing:.7px;border-color:#d5a200;color:var(--yellow);background:#10151bbc}
.hero h1{font-size:clamp(44px,4.5vw,61px);margin:22px 0 20px;letter-spacing:-2.4px;line-height:1.1;font-weight:850}
.lead{font-size:16px;line-height:1.57;color:#d9dde2;max-width:540px;margin-top:0}
.checks{gap:15px 12px;margin-top:26px;margin-bottom:26px}
.check i{height:20px;width:20px;line-height:20px}
.check{font-size:13px;white-space:nowrap}
.actions .btn{min-height:55px;border-radius:9px;font-size:14px}
.hero-note{margin:20px 0 0 194px;font-size:13px;max-width:210px;line-height:1.25;transform:rotate(-5deg)}
.pipes{right:34%;height:100%;width:250px;top:0;opacity:.76;z-index:0;overflow:hidden}
.pipes:before{content:"";position:absolute;inset:0;background:url('/assets/boiler-photo.webp') center / cover no-repeat;filter:saturate(.9);opacity:.86;mask-image:linear-gradient(90deg,transparent 0%,#000 30%,#000 90%,transparent 100%)}
.pipes img{display:none}
.form-card{border-radius:14px;padding:25px 24px;box-shadow:0 16px 48px #0008;min-width:0}
.form-card h2{font-size:23px}
.form-card p{font-size:13px}
.form-fields{gap:14px 12px}
.field{font-size:12px;gap:6px}
.field input,.field select,.field textarea{background:#f9f9f8;border-color:#d6d8d9;padding:11px 13px}
.field textarea{min-height:90px}
.form-card .submit{border-radius:9px;min-height:51px}
.trust .shell{padding:19px 0;gap:12px}
.trust-icon{font-size:29px}
.trust-item{padding-left:10px;gap:12px}
.trust-item b{font-size:11px}
.trust-item small{font-size:11px}
.section{padding:56px 0}
.story{grid-template-columns:minmax(0,1.35fr) minmax(0,.9fr);gap:60px;align-items:start}
.story h2{font-size:clamp(29px,3vw,38px)}
.story p{font-size:15px;line-height:1.68}
.gauge-card{border-radius:15px;padding:11px}
.gauge-art{background:#1b1f21 url('/assets/gauge-photo.webp') center / cover no-repeat;height:251px}
.gauge-art img{display:none}
.gauge-body{padding:16px 11px}
.service-grid{margin-top:38px;gap:13px}
.service-card{border-radius:12px;min-height:171px;padding:21px 19px;box-shadow:0 1px 3px #00000009}
.service-card .sicon{font-size:29px}
.service-card h3{margin:11px 0 7px;font-size:15px}
.service-card p{font-size:13px}
@media(max-width:1050px){.links{gap:14px}.hero-grid{gap:24px}.check{white-space:normal}.story{gap:26px}.hero h1{font-size:clamp(41px,4.6vw,57px)}}
@media(max-width:750px){.shell{width:calc(100% - 38px)}.hero-grid{grid-template-columns:1fr}.pipes{right:0;width:45%;opacity:.32}.hero:before{background:#10161be6}.hero h1{font-size:clamp(37px,9vw,53px)}.story{grid-template-columns:1fr}.hero-note{margin-left:30px}.links{gap:12px}}
@media(max-width:500px){.shell{width:calc(100% - 32px)}.checks{grid-template-columns:1fr}.form-fields{grid-template-columns:1fr}.trust .shell{grid-template-columns:1fr 1fr}.service-grid{grid-template-columns:1fr}}

/* Contextual service feature panels */
.topic-visual{background:linear-gradient(145deg,#131b20,#29353b);color:#fff;display:flex;min-height:245px;flex-direction:column;align-items:center;justify-content:center;gap:12px;border-radius:15px;text-align:center;padding:20px}.topic-visual-label{font-size:17px;font-weight:700}.topic-visual-symbol{font-size:85px;color:#ffc400;line-height:1}.topic-visual-sub{font-size:12px;color:#d2dade}.topic-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.topic-links a{display:inline-block;border:1px solid #ddd;padding:7px 12px;border-radius:9px;color:#845600;text-decoration:none;font-size:13px}