:root{--navy:#122b4b;--blue:#17629b;--accent:#e76b32;--light:#f3f7fa;--ink:#182332;--muted:#647182;--border:#d9e1e8}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);line-height:1.55}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{max-width:1180px;margin:auto;padding:0 22px}.topline{background:var(--navy);color:white;text-align:center;padding:8px;font-size:13px}.header{background:white;position:sticky;top:0;z-index:20;box-shadow:0 2px 12px #122b4b16}.headinner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:85px}.logo{display:flex;align-items:center;gap:12px}.logo-mark{width:54px;height:54px;border:2px dashed #9cabb9;border-radius:8px;display:grid;place-items:center;font-size:10px;text-align:center;color:var(--muted);line-height:1.1}.logo strong{display:block;color:var(--navy);font-size:22px;letter-spacing:1px}.logo small{display:block;color:var(--blue);font-size:10px;letter-spacing:2px}.nav{display:flex;align-items:center;gap:20px;font-weight:700;font-size:14px}.nav a:hover{color:var(--blue)}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border-radius:7px;background:var(--blue);color:white;padding:13px 20px;border:2px solid var(--blue);font-weight:700;transition:.2s}.btn:hover{filter:brightness(.92)}.btn.orange{background:var(--accent);border-color:var(--accent)}.btn.outline{background:white;color:var(--navy);border-color:var(--navy)}.menu-toggle{display:none;border:0;background:none;font-size:28px;color:var(--navy)}.hero{background:linear-gradient(110deg,#102b49ed,#103f6bbd),radial-gradient(circle at 75% 35%,#6c91a9,#1e3e58);color:white;padding:80px 0}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}.eyebrow{text-transform:uppercase;font-size:13px;letter-spacing:2px;font-weight:800;color:#f8bd95}.hero h1{font-size:clamp(38px,5vw,65px);line-height:1.1;margin:12px 0 20px}.hero p{font-size:18px;color:#e5edf4;max-width:570px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.trust{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;font-weight:700}.panel{background:white;color:var(--ink);padding:28px;border-radius:16px;box-shadow:0 16px 45px #051c3650}.panel h2{color:var(--navy);margin:0 0 12px;font-size:27px}.tabs{display:grid;grid-template-columns:repeat(3,1fr);background:#e9eef4;border-radius:8px;overflow:hidden;margin-bottom:16px}.tabs button{border:0;background:transparent;padding:12px 4px;color:#4d5e70;font-size:13px;font-weight:700}.tabs button.active{background:var(--navy);color:white}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:700}.field.full{grid-column:1/-1}.field input,.field select,.field textarea{border:1px solid var(--border);border-radius:7px;background:#f9fbfc;padding:12px;width:100%;color:var(--ink)}.field textarea{min-height:85px;resize:vertical}.small{font-size:12px;color:var(--muted)}.check{display:flex;gap:9px;align-items:flex-start;font-size:12px;font-weight:400}.check input{margin-top:4px}.form-status{font-size:13px;margin-top:10px;color:var(--navy)}section{padding:75px 0}.section-head{text-align:center;max-width:730px;margin:0 auto 38px}.section-head h2{font-size:36px;color:var(--navy);margin:8px 0}.section-head p{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{border:1px solid var(--border);border-radius:13px;overflow:hidden;background:white;box-shadow:0 4px 20px #152d4210}.card-body{padding:24px}.card h3{margin:0 0 8px;color:var(--navy);font-size:23px}.card p{color:var(--muted)}.card .symbol{font-size:34px;display:block;margin-bottom:12px}.link{color:var(--blue);font-weight:800}.shade{background:var(--light)}.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.feature{background:var(--navy);color:white;border-radius:16px;padding:42px}.feature h2{font-size:35px;line-height:1.15}.feature p{color:#d9e5ef}.bullets{padding-left:22px}.bullets li{margin-bottom:9px}.cta{background:var(--blue);color:white;text-align:center}.cta h2{font-size:37px;margin:0 0 10px}.cta p{color:#e3eff8}.footer{background:#0d2137;color:#d6e0e9;padding:50px 0 95px}.footgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}.footer h3{color:white}.footer a{display:block;margin:8px 0}.footer a:hover{text-decoration:underline}.footbottom{border-top:1px solid #385066;margin-top:30px;padding-top:20px;font-size:12px;color:#aebecd}.mobile-bar{display:none}.page-hero{background:linear-gradient(115deg,#112b4b,#1b6598);padding:72px 0;color:white}.page-hero h1{font-size:clamp(36px,5vw,56px);margin:0 0 10px}.page-hero p{max-width:680px;font-size:18px;color:#e1edf5}.notice{border-left:4px solid var(--accent);background:#fff5ef;padding:16px;border-radius:5px;color:#553421}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px}.info-box{border:1px solid var(--border);padding:25px;border-radius:12px}.info-box h3{color:var(--navy)}@media(max-width:940px){.nav{display:none;position:absolute;top:100%;left:0;right:0;background:white;flex-direction:column;align-items:stretch;padding:20px;box-shadow:0 10px 18px #0002}.nav.open{display:flex}.menu-toggle{display:block}.hero-grid,.split{grid-template-columns:1fr}.hero{padding:55px 0}.cards{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.logo strong{font-size:17px}.logo small{font-size:8px;letter-spacing:1px}.logo-mark{width:44px;height:44px}.headinner{min-height:72px}.cards,.two-col,.footgrid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.panel{padding:20px}.hero h1{font-size:39px}section{padding:55px 0}.section-head h2{font-size:29px}.mobile-bar{position:fixed;bottom:0;left:0;right:0;z-index:30;display:grid;grid-template-columns:1fr 1fr;background:var(--navy);box-shadow:0 -5px 20px #0003}.mobile-bar a{padding:15px;text-align:center;color:white;font-weight:800}.mobile-bar a:last-child{background:var(--accent)}.footer{padding-bottom:110px}}

/* Original Authement AC identity */
:root{--navy:#083a70;--blue:#0879bd;--accent:#f28b16;--light:#f1f9fe}
.logo-art{width:88px;height:72px;object-fit:contain;flex-shrink:0}
@media(max-width:620px){.logo-art{width:62px;height:58px}.logo strong{font-size:16px}}

/* Photography-forward branded refresh */
:root{--navy:#07386c;--blue:#067fca;--accent:#f28a15}
body{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.hero-photo{background:linear-gradient(95deg,rgba(3,26,55,.94),rgba(5,43,81,.76) 55%,rgba(5,43,81,.56)),url("https://images.unsplash.com/photo-1581092160562-40aa08e78837?auto=format&fit=crop&w=1800&q=85") center/cover no-repeat;min-height:690px}
.page-hero-photo{background:linear-gradient(105deg,rgba(4,35,72,.95),rgba(4,53,94,.73)),url("https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=1000&q=85") center/cover no-repeat}
.service-photo{display:block;width:100%;height:220px;object-fit:cover;background:#dbe8f1}
.card{transition:transform .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 40px #0a2b4a24}
.feature-photo{background:linear-gradient(100deg,rgba(5,38,72,.92),rgba(5,38,72,.74)),url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=1100&q=85") center/cover no-repeat}
.logo-art{width:90px;height:75px;object-fit:contain}
.panel{box-shadow:0 22px 55px #001b3b66}
.btn{border-radius:9px}
@media(max-width:620px){.hero-photo{min-height:unset;background-position:56% center}.service-photo{height:205px}.logo-art{width:62px;height:58px}}

/* Enhanced photo-forward design */
.hero{background:linear-gradient(90deg,rgba(4,30,59,.94) 0%,rgba(5,42,79,.85) 49%,rgba(5,40,72,.65) 100%),url("https://images.unsplash.com/photo-1621905251189-08b45d6a269e?auto=format&fit=crop&w=2000&q=88") center/cover no-repeat;min-height:690px;display:flex;align-items:center}
.hero-grid{gap:52px}.hero h1{font-weight:900;letter-spacing:-1.8px}.panel{border-top:5px solid #f28b16}.service-photo{width:100%;height:215px;object-fit:cover;display:block;background:linear-gradient(130deg,#c4e7f8,#0b5487)}.card{transition:transform .22s,box-shadow .22s}.card:hover{transform:translateY(-5px);box-shadow:0 15px 35px #152d4229}.feature-photo{background:linear-gradient(0deg,#082a4de8,#082a4db5),url("https://images.unsplash.com/photo-1581094794329-c8112a89af12?auto=format&fit=crop&w=1000&q=80") center/cover}.page-hero{background:linear-gradient(100deg,#082a4de8,#082a4dbb),url("https://images.unsplash.com/photo-1581092160562-40aa08e78837?auto=format&fit=crop&w=1600&q=85") center/cover}.logo-art{width:94px;height:78px}.logo strong{font-weight:900}.btn{border-radius:9px}.header{border-bottom:3px solid #f28b16}.foot-logo{width:110px;height:95px;object-fit:contain;background:white;border-radius:12px;padding:5px}.photo-note{font-size:12px;color:#647182}
@media(max-width:940px){.hero{min-height:0}.hero-grid{gap:28px}}@media(max-width:620px){.hero{padding:52px 0 62px}.logo-art{width:62px;height:58px}.service-photo{height:200px}}

/* Commercial equipment photo */
.page-hero.commercial-hero{background:linear-gradient(100deg,rgba(8,42,77,.9),rgba(8,42,77,.45)),url("assets/commercial-rooftop-hvac.png") center 52%/cover no-repeat}