:root{--bg:#070b12;--panel:#101722;--panel2:#151e2b;--text:#f7f9fc;--muted:#aebbd0;--line:#273449;--purple:#0B6E99;--purple2:#4DB8E8;--teal:#F59E0B;--ice:#e9f8ff;--max:1180px;--radius:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.demo-bar{background:#0e1420;border-bottom:1px solid var(--line);font-size:.86rem;color:var(--muted)}.demo-bar .wrap{min-height:40px;display:flex;align-items:center;justify-content:space-between;gap:16px}.demo-bar strong{color:#fff}.demo-links{display:flex;gap:14px;flex-wrap:wrap}.demo-links a{color:var(--teal)}
.site-header{position:sticky;top:0;z-index:10;background:rgba(7,11,18,.93);backdrop-filter:blur(14px);border-bottom:1px solid rgba(39,52,73,.8)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:1.35rem;font-weight:900;letter-spacing:-.03em}.brand span{color:var(--teal)}.brand small{display:block;font-size:.62rem;font-weight:600;letter-spacing:.17em;text-transform:uppercase;color:var(--muted);margin-top:-4px}.navlinks{display:flex;gap:24px;align-items:center;font-weight:700;font-size:.92rem}.navlinks a:hover{color:var(--teal)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:12px;background:var(--purple);color:#fff;font-weight:800;border:1px solid transparent;transition:.2s ease;cursor:pointer}.btn:hover{transform:translateY(-1px);background:var(--purple2)}.btn.outline{background:transparent;border-color:var(--line)}.btn.teal{background:var(--teal);color:#04110f}.eyebrow{color:var(--teal);font-size:.78rem;font-weight:900;letter-spacing:.16em;text-transform:uppercase}.hero{padding:78px 0 66px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}.hero h1{font-size:clamp(2.7rem,6vw,5.3rem);line-height:.96;letter-spacing:-.055em;margin:12px 0 22px}.hero h1 em{font-style:normal;color:var(--teal)}.hero p{font-size:1.12rem;color:var(--muted);max-width:650px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.hero-image{border-radius:26px;overflow:hidden;border:1px solid var(--line);min-height:430px;position:relative;background:#111}.hero-image img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.hero-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(7,11,18,.78))}.hero-badge{position:absolute;z-index:2;left:20px;right:20px;bottom:20px;padding:16px 18px;background:rgba(7,11,18,.84);border:1px solid rgba(255,255,255,.16);border-radius:16px;backdrop-filter:blur(8px);font-weight:800}.trust{border-block:1px solid var(--line);background:#0b111b}.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr)}.trust-item{padding:22px;border-right:1px solid var(--line);text-align:center}.trust-item:last-child{border-right:0}.trust strong{display:block;font-size:1.35rem}.trust span{color:var(--muted);font-size:.88rem}section{padding:76px 0}.section-head{max-width:760px;margin-bottom:34px}.section-head h2{font-size:clamp(2rem,4vw,3.4rem);line-height:1.05;letter-spacing:-.045em;margin:8px 0 14px}.section-head p{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px}.card h3{margin:10px 0 8px;font-size:1.25rem}.card p{color:var(--muted);margin:0}.icon{width:48px;height:48px;border-radius:13px;background:rgba(124,92,255,.15);border:1px solid rgba(124,92,255,.35);display:grid;place-items:center;font-size:1.35rem}.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px}.checks{list-style:none;padding:0;margin:22px 0 0}.checks li{position:relative;padding:8px 0 8px 28px;color:var(--muted)}.checks li:before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:900}.quote{font-size:1.08rem;color:#dfe8f6}.quote strong{display:block;margin-top:16px;color:#fff}.cta{background:linear-gradient(120deg,rgba(124,92,255,.22),rgba(24,209,180,.12));border:1px solid rgba(124,92,255,.4);border-radius:28px;padding:44px}.cta h2{font-size:clamp(2rem,4vw,3.3rem);margin:0 0 10px;letter-spacing:-.04em}.cta p{color:var(--muted);max-width:680px}.site-footer{border-top:1px solid var(--line);padding:34px 0;color:var(--muted)}.site-footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.page-hero{padding:62px 0 42px}.page-hero h1{font-size:clamp(2.4rem,5vw,4.4rem);line-height:1;letter-spacing:-.05em;margin:10px 0 16px}.page-hero p{color:var(--muted);max-width:700px}.form{display:grid;gap:14px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}input,textarea,select{width:100%;background:#0b111b;border:1px solid var(--line);border-radius:12px;padding:15px 16px;color:#fff;font:inherit}textarea{min-height:150px;resize:vertical}label{font-size:.86rem;font-weight:800;color:#dbe6f4}.notice{font-size:.85rem;color:var(--muted)}.service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.service-row{display:flex;gap:18px;align-items:flex-start}.service-row .icon{flex:0 0 auto}.metric{font-size:2.6rem;font-weight:900;letter-spacing:-.05em;color:var(--teal)}.breadcrumbs{font-size:.82rem;color:var(--muted);margin-bottom:8px}.location-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.location{padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
@media(max-width:850px){.navlinks{display:none}.hero-grid,.split{grid-template-columns:1fr}.hero{padding-top:52px}.hero-image{min-height:330px}.cards{grid-template-columns:1fr}.trust .wrap{grid-template-columns:1fr 1fr}.trust-item:nth-child(2){border-right:0}.service-list,.location-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}}@media(max-width:520px){.wrap{width:min(var(--max),calc(100% - 26px))}.demo-bar .wrap{padding:8px 0;align-items:flex-start;flex-direction:column}.hero h1{font-size:3rem}.trust .wrap{grid-template-columns:1fr}.trust-item{border-right:0;border-bottom:1px solid var(--line)}.trust-item:last-child{border-bottom:0}.cta{padding:28px}.actions .btn{width:100%}}

body.tier-silver .card{transition:.22s ease}body.tier-silver .card:hover{transform:translateY(-5px);border-color:#526682;box-shadow:0 16px 50px rgba(0,0,0,.25)}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-stars{color:#F59E0B;letter-spacing:.1em}.sticky-cta{position:fixed;right:20px;bottom:20px;z-index:8;box-shadow:0 12px 40px rgba(0,0,0,.35)}.faq details{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:12px 0}.faq summary{cursor:pointer;font-weight:800}.service-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.service-nav a{padding:8px 12px;background:var(--panel);border:1px solid var(--line);border-radius:999px;color:var(--muted)}@media(max-width:850px){.review-grid{grid-template-columns:1fr}.sticky-cta{display:none}}

/* Light HVAC theme */
:root{--bg:#f7fafc;--panel:#ffffff;--panel2:#eef5f9;--text:#142333;--muted:#5f7182;--line:#d8e3ea;--purple:#147da8;--purple2:#0f6d94;--teal:#e58a17;--ice:#e9f7fc}
body{background:var(--bg);color:var(--text)}
.demo-bar{background:#eaf3f7;color:var(--muted);border-color:var(--line)}
.demo-bar strong{color:var(--text)}
.site-header{background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(20,35,51,.05)}
.brand small,.hero p,.section-head p,.card p,.checks li,.site-footer,.page-hero p,.notice,.service-nav a{color:var(--muted)}
.navlinks a:hover,.demo-links a,.eyebrow,.metric,.checks li:before{color:var(--teal)}
.btn{background:var(--purple);color:#fff}.btn:hover{background:var(--purple2)}.btn.outline{background:#fff;border-color:var(--line);color:var(--text)}.btn.teal{background:var(--teal);color:#fff}
.hero-image{background:#dbe7ed;border-color:var(--line);box-shadow:0 20px 50px rgba(20,35,51,.12)}
.hero-image:after{background:linear-gradient(180deg,transparent 48%,rgba(18,42,57,.72))}.hero-badge{background:rgba(255,255,255,.93);border-color:rgba(255,255,255,.7);color:var(--text);box-shadow:0 10px 28px rgba(20,35,51,.12)}
.trust{background:#eef5f9;border-color:var(--line)}
.card,.panel,.location,.faq details,.service-nav a,.premium-card,.step{background:#fff;border-color:var(--line);box-shadow:0 8px 26px rgba(20,35,51,.055)}
.icon{background:#e7f4fa;border-color:#b8ddeb}
.quote{color:#33495b}.quote strong{color:var(--text)}
.cta{background:linear-gradient(120deg,#e9f6fb,#fff5e7);border-color:#c9e3ee}
input,textarea,select{background:#fff;border-color:var(--line);color:var(--text)}label{color:#33495b}
.site-footer{background:#f2f7fa}
.review-stars{color:var(--teal)}
.tabs button{background:#fff;border-color:var(--line);color:var(--text)}.tabs button.active{background:var(--purple);border-color:var(--purple);color:#fff}
.progress{background:#dce7ed}.progress span{background:linear-gradient(90deg,var(--purple),var(--teal))}
body.tier-gold{background:radial-gradient(circle at 80% 0%,rgba(20,125,168,.08),transparent 35%),var(--bg)}
body.tier-gold .hero-image{box-shadow:0 24px 60px rgba(20,35,51,.16)}
.premium-card{background:linear-gradient(180deg,#fff,#f6fafc)}

/* Service page alignment and professional icon treatment */
.service-nav{width:min(var(--max),calc(100% - 40px));margin:24px auto 0;padding:0}
.icon.icon-text{font-size:.78rem;font-weight:900;letter-spacing:.04em;color:var(--purple);background:#e7f4fa;border-color:#b8ddeb}
@media(max-width:520px){.service-nav{width:min(var(--max),calc(100% - 26px))}}

/* HVAC-specific visual redesign — intentionally distinct from DB Digital */
:root{--bg:#f4f7f9;--panel:#fff;--panel2:#eaf1f5;--text:#10293b;--muted:#5b6f7d;--line:#cbd8df;--purple:#075f8f;--purple2:#064c72;--teal:#f28c18;--max:1180px;--radius:6px}
body{font-family:Arial,"Helvetica Neue",sans-serif;background:var(--bg);color:var(--text);line-height:1.55}
.demo-bar{background:#e7edf1;border-bottom:1px solid #c8d3da}.demo-links a{color:#075f8f;font-weight:700}
.site-header{background:#075f8f;border:0;border-bottom:4px solid #f28c18;box-shadow:none;backdrop-filter:none}
.nav{min-height:82px}.brand{font-family:"Arial Narrow",Arial,sans-serif;font-size:1.55rem;letter-spacing:.01em;color:#fff;text-transform:uppercase}.brand span{color:#fff}.brand small{color:#d9edf7;letter-spacing:.13em;margin-top:-2px}.navlinks{gap:26px}.navlinks a{color:#fff;text-transform:uppercase;font-size:.82rem;letter-spacing:.045em}.navlinks a:hover{color:#ffd39c}
.btn{min-height:48px;padding:0 22px;border-radius:4px;text-transform:uppercase;letter-spacing:.045em;font-size:.82rem;box-shadow:none}.btn:hover{transform:none}.btn.outline{background:transparent;border:2px solid #075f8f;color:#075f8f}.site-header .btn,.site-header .btn.outline{background:#f28c18;border-color:#f28c18;color:#fff}.btn.teal{background:#f28c18;color:#fff}
.eyebrow{color:#d56f00;letter-spacing:.13em}.hero{padding:68px 0}.hero-grid{gap:48px}.hero h1,.page-hero h1,.section-head h2,.cta h2{font-family:"Arial Narrow",Arial,sans-serif;letter-spacing:-.025em;text-transform:none}.hero h1{font-size:clamp(2.8rem,5vw,4.65rem);line-height:1.02}.hero h1 em{color:#075f8f}.hero-image{border-radius:4px;border:0;box-shadow:12px 12px 0 #d9e6ec;min-height:420px}.hero-badge{left:0;right:auto;bottom:0;border-radius:0;background:#075f8f;color:#fff;border:0;box-shadow:none;padding:14px 18px}.hero-image:after{background:linear-gradient(180deg,transparent 58%,rgba(7,47,70,.35))}
.trust{background:#fff;border-block:1px solid var(--line)}.trust-item{border-color:var(--line)}.trust strong{color:#075f8f}
section{padding:68px 0}.section-head h2{font-size:clamp(2rem,3.5vw,3rem)}.card,.panel,.location,.faq details,.premium-card,.step{border-radius:5px;border:1px solid var(--line);box-shadow:0 3px 12px rgba(16,41,59,.055)}.card{border-top:4px solid #075f8f;padding:25px}.card:hover{transform:none!important;border-color:var(--line)!important;border-top-color:#f28c18!important;box-shadow:0 5px 16px rgba(16,41,59,.08)!important}.icon{border-radius:3px;background:#e7f2f7;border:0;color:#075f8f}.icon.icon-text{border-radius:3px;background:#075f8f;color:#fff;border:0}
.cta{border-radius:5px;background:#075f8f;border:0;color:#fff}.cta .eyebrow{color:#ffd39c}.cta h2{color:#fff}.cta p{color:#e3eff5}.cta .btn{background:#f28c18}.checks li:before,.metric{color:#d56f00}
.page-hero{padding:58px 0 36px;border-bottom:1px solid #d9e3e8;background:#eef4f7}.page-hero h1{font-size:clamp(2.5rem,4.5vw,4rem)}.breadcrumbs{color:#718491}.service-nav{width:min(var(--max),calc(100% - 40px));margin:24px auto 0;gap:0;border-bottom:2px solid #075f8f}.service-nav a{border-radius:0;background:#fff;border:1px solid var(--line);border-bottom:0;padding:10px 16px;color:#274557;box-shadow:none}.service-nav a:hover{background:#075f8f;color:#fff}
input,textarea,select{border-radius:3px;border:1px solid #b9c9d2;background:#fff}.site-footer{background:#10293b;color:#d4e0e6;border-top:4px solid #f28c18}.site-footer .brand{color:#fff}.review-stars{color:#e47a00}.tabs button{border-radius:3px}.tabs button.active{background:#075f8f;border-color:#075f8f}.progress span{background:#f28c18}.premium-card{background:#fff;border-top:4px solid #075f8f}.step:before{border-radius:3px;background:#075f8f;color:#fff}
body.tier-gold{background:var(--bg)}body.tier-gold .hero-image{box-shadow:12px 12px 0 #d9e6ec}
@media(max-width:850px){.site-header{border-bottom-width:3px}.hero-image{box-shadow:7px 7px 0 #d9e6ec}.service-nav{width:min(var(--max),calc(100% - 26px))}}