:root{--navy:#102e43;--blue:#19658c;--green:#3a7256;--light:#f1f5f2;--ink:#163247}*{box-sizing:border-box}body{margin:0;color:var(--ink);font:16px/1.65 'Segoe UI',Arial,sans-serif;background:#fff}a{color:inherit;text-underline-offset:5px}a:focus-visible{outline:3px solid #d67a2d;outline-offset:5px}h1,h2,h3,p,figure{margin:0}p+p{margin-top:18px}h1{font-size:clamp(40px,4.6vw,70px);line-height:1.08;letter-spacing:-2.5px;font-weight:650}h1 em{font-style:normal;color:var(--green)}h2{font-size:clamp(30px,3vw,44px);line-height:1.18;letter-spacing:-1.2px;font-weight:600}h3{font-size:25px;line-height:1.3;margin-bottom:14px;font-weight:600}p{color:#506572}.topbar{background:var(--navy);color:#e8f2f6;padding:9px 5%;display:flex;justify-content:space-between;font-size:12px;letter-spacing:.5px}.topbar a{font-weight:600;text-decoration:none}header{padding:25px 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dbe4e8;gap:32px}.brand{text-decoration:none;font-size:34px;font-weight:800;letter-spacing:2px;line-height:1}.brand span{display:block;font-size:9px;font-weight:600;letter-spacing:2px;margin-top:10px}nav{display:flex;gap:23px;flex-wrap:wrap}nav a{font-size:13px;text-decoration:none;padding:8px 0}nav a:hover,nav a[aria-current]{color:var(--green);box-shadow:0 2px var(--green)}section{padding:85px 7%}.hero{padding:74px 5% 64px;display:grid;grid-template-columns:1.1fr 1fr;gap:5%;align-items:center;background:linear-gradient(130deg,#f7faf8,#fff)}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:var(--green);margin-bottom:24px}.lead{font-size:19px;line-height:1.65;max-width:650px;margin-top:26px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.button{background:var(--navy);color:white;display:inline-flex;align-items:center;gap:25px;text-decoration:none;padding:14px 20px;font-size:14px;font-weight:600;border:1px solid var(--navy)}.button:hover{background:var(--blue)}.button.outline{background:transparent;color:var(--navy)}.button.outline:hover{background:#e0eae6}.fine{font-size:12px;margin-top:23px}.visual-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.visual-pair figure:nth-child(2){margin-top:60px}.visual-pair img{width:100%;height:340px;object-fit:cover;display:block}.visual-pair figcaption{font-size:10px;font-weight:700;letter-spacing:2px;margin-top:14px}.section-head{margin-bottom:35px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}.cards.two{grid-template-columns:repeat(2,1fr)}.card{border-top:2px solid #a2b7ad;background:var(--light);padding:34px}.number{font-size:12px;color:var(--green);display:block;margin-bottom:28px}.textlink{display:inline-block;margin-top:26px;color:var(--green);font-weight:600;font-size:14px}.split{display:grid;grid-template-columns:1fr 1fr;gap:10%;border-top:1px solid #dce4e0}.split h3:not(:first-child){margin-top:30px}.area{background:var(--light);border-left:10px solid var(--green)}.area p:last-child{max-width:740px;margin-top:25px;font-size:18px}.contact-band{background:var(--navy);color:white;display:flex;justify-content:space-between;gap:35px;align-items:center}.contact-band .eyebrow{color:#a7d8bd}.contact-band .button{background:white;color:var(--navy);border-color:white}.contact-band .outline{color:white;background:transparent}footer{padding:50px 5% 25px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:30px;align-items:center}footer p,footer div{font-size:13px}.copyright{grid-column:1/-1;border-top:1px solid #dce4e0;padding-top:20px;font-size:11px}.page-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:7%;align-items:center;background:#f7faf8}.page-hero img{width:100%;max-height:430px;object-fit:cover}.intro{max-width:1100px;padding-bottom:55px}.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:25px;padding-top:15px}.contact-primary{padding:34px 0}.phone{font-size:clamp(30px,3.8vw,54px);font-weight:650;text-decoration:none;letter-spacing:-1px}.contact-primary>p:not(.eyebrow){max-width:420px;margin-top:20px}.email{display:block;margin:25px 0;overflow-wrap:anywhere}.checklist{padding-left:20px;color:#506572}.checklist li{padding:12px 0;border-bottom:1px solid #dce4e0}.skip{position:absolute;top:-100px;background:white;padding:12px;z-index:10}.skip:focus{top:5px}@media(min-width:1500px){main,header,footer,.topbar{padding-left:max(5%,calc((100vw - 1400px)/2));padding-right:max(5%,calc((100vw - 1400px)/2))}}@media(max-width:1000px){header{align-items:flex-start;flex-direction:column;gap:20px}.hero{grid-template-columns:1fr;gap:40px}.visual-pair img{height:260px}.visual-pair figure:nth-child(2){margin-top:0}.page-hero{grid-template-columns:1fr 1fr}nav{gap:20px}.cards{grid-template-columns:1fr}.contact-band{align-items:flex-start;flex-direction:column}}@media(max-width:650px){section{padding:55px 6%}h1{letter-spacing:-1.5px}.hero{padding:48px 6%}.visual-pair{gap:10px}.visual-pair img{height:230px}.split,.cards.two,.page-hero,.contact-grid,footer{grid-template-columns:1fr}.split{gap:30px}.page-hero img{max-height:300px}.topbar{font-size:10px;gap:10px}nav{gap:8px 18px}nav a{font-size:12px}footer{gap:25px}.copyright{grid-column:auto}.card{padding:26px}.contact-grid{padding-top:0}.contact-band .actions{margin-top:0}}

/* Use the supplied logo unchanged; frame its surrounding whitespace. */
.brand{display:block;position:relative;width:300px;height:90px;flex-shrink:0;overflow:hidden}.brand img{position:absolute;display:block;width:300px;height:auto;max-width:none;top:-25px;left:0}footer .brand{width:260px;height:78px}footer .brand img{width:260px;top:-22px}@media(max-width:650px){.brand{width:260px;height:78px}.brand img{width:260px;top:-22px}}

/* Supplied service photography */
.visual-pair .backflow-photo{object-position:45% 62%}.page-hero>img{height:490px;max-height:490px;object-position:center}.page-hero>img.backflow-photo{object-position:45% 62%}.photo-section{background:#f7faf8;border-top:1px solid #dce4e0}.photo-intro{max-width:650px;margin-top:22px}.photo-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:980px;margin:35px auto 0}.photo-grid a{display:block;line-height:0}.photo-grid img{display:block;width:100%;height:auto;aspect-ratio:3/4;object-fit:contain;background:#e8eeeb}.photo-grid figcaption{font-size:14px;color:#506572;margin-top:13px}.photo-grid a:focus-visible{outline:3px solid #d67a2d}@media(max-width:650px){.photo-grid{grid-template-columns:1fr;gap:30px}.page-hero>img{height:390px;max-height:390px}}