@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#17302f;--muted:#6b7672;--lime:#d7ed8b;--paper:#f5f5ef;--line:#d9ded5}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',sans-serif;font-size:16px;line-height:1.65}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:Manrope,sans-serif;line-height:1.15;letter-spacing:-.04em}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}a,button,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #69922d;outline-offset:5px}img{display:block;width:100%;object-fit:cover}header{height:104px;display:flex;align-items:center;justify-content:space-between;padding:0 5%;background:var(--paper)}.brand{font-family:Manrope,sans-serif;font-weight:800;font-size:36px;line-height:1;letter-spacing:-2px}.brand>span:first-child{color:#698341}.brand-dot{color:#698341}.brand small{display:block;font-family:'DM Sans',sans-serif;letter-spacing:1.6px;font-size:8px;margin-top:8px}nav{display:flex;align-items:center;gap:35px;font-size:13px;font-weight:600}.nav-contact{border:1px solid #bbc5b8;padding:13px 20px}.nav-contact span{margin-left:24px}.menu{display:none}.hero{position:relative;isolation:isolate;min-height:690px;background:#17302f;color:white;overflow:hidden}.hero-image{position:absolute;z-index:-2;inset:0;background:url('assets/bridge.jpg') center 52%/cover}.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,35,34,.92),rgba(12,35,34,.59) 52%,rgba(12,35,34,.12));z-index:-1}.hero-content{padding:86px 6% 110px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:700;margin-bottom:22px}.light{color:var(--lime)}h1{font-size:clamp(50px,5.9vw,88px);font-weight:500;max-width:900px;line-height:1.08}h1 span,.contact h2 span{color:var(--lime)}.hero-intro{margin:28px 0 32px;font-size:17px;color:#e2e7df;line-height:1.7}.button{display:inline-flex;gap:38px;padding:17px 23px;font-size:13px;font-weight:700;border:0;cursor:pointer;align-items:center;justify-content:space-between}.lime{background:var(--lime);color:var(--ink)}.button:hover{background:#e8f5b9}.hero-secondary{margin-left:26px;font-size:12px;border-bottom:1px solid #9cae9c;padding-bottom:5px}.hero-bottom{position:absolute;bottom:0;left:6%;right:6%;padding:21px 0;border-top:1px solid #ffffff45;display:flex;justify-content:space-between;font-size:9px;letter-spacing:1.6px}.image-credit{position:absolute;right:6%;bottom:85px;writing-mode:vertical-rl;font-size:9px;letter-spacing:1.5px;color:#e2e7df}.section{padding:96px 6%}.intro{display:grid;grid-template-columns:1fr 2fr;gap:50px;border-bottom:1px solid var(--line)}.intro>.eyebrow{padding-top:12px}.intro>div{display:grid;grid-template-columns:1.1fr 1fr;gap:42px}h2{font-size:clamp(34px,3.5vw,53px);font-weight:500}.intro h2{font-size:36px}.muted{color:#85917e}.intro p:not(.eyebrow),.section-heading>p{font-size:14px;color:var(--muted)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:45px}.services{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line)}.service{padding:32px;display:flex;flex-direction:column;border-right:1px solid var(--line);background:#fafbf6}.service:last-child{border:0}.service-no{font-size:9px;letter-spacing:1.8px;color:var(--muted)}.service svg{width:74px;height:74px;fill:none;stroke:#718a49;stroke-width:1.2;margin:25px 0}.service h3{font-size:26px;margin-bottom:22px}.service>p{font-size:14px;color:var(--muted)}.service ul{list-style:none;padding:22px 0;margin:0 0 25px;font-size:12px;flex:1}.service li{padding:8px 0;border-bottom:1px solid var(--line)}.service li:before{content:'↗';color:#829648;margin-right:8px}.service>a{font-size:12px;font-weight:700;display:flex;justify-content:space-between;gap:10px}.additional{display:grid;grid-template-columns:1fr 2fr;gap:70px;margin-top:55px}.additional h3{font-size:25px;max-width:230px;padding-top:19px}details{border-bottom:1px solid var(--line)}summary{padding:19px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:15px;font-size:15px;font-weight:500}summary::-webkit-details-marker{display:none}summary span{font-size:21px;color:#708843}details[open] summary span{transform:rotate(45deg)}details p{font-size:14px;color:var(--muted);padding:0 30px 24px 0}.work{background:#e9ede3}.project-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr;gap:25px}.project img{height:285px}.project.large img{height:285px}.project:nth-child(3) img{object-position:center 60%}.project>div{padding:24px 0}.project .eyebrow{font-size:8px;letter-spacing:1.3px;margin-bottom:12px}.project h3{font-size:25px;margin-bottom:16px}.project p:not(.eyebrow){font-size:13px;color:#637063;margin-bottom:22px}.project span{font-size:8px;letter-spacing:1.4px;color:#647359}.project-note{font-size:11px;color:var(--muted);border-top:1px solid #cbd3c4;padding-top:20px;margin-top:20px}.approach{background:#17302f;color:var(--paper);display:grid;grid-template-columns:1fr 1fr;gap:100px}.approach h2{font-size:43px;margin-bottom:35px}.text-link{font-size:13px;color:var(--lime);border-bottom:1px solid #657a5d;padding-bottom:8px}.approach ol{list-style:none;padding:0;margin:0}.approach li{display:flex;gap:25px;border-bottom:1px solid #ffffff25;padding:0 0 25px;margin-bottom:25px}.approach li>span{color:var(--lime);font-size:12px}.approach h3{font-size:21px;letter-spacing:-.02em;margin-bottom:10px}.approach li p{font-size:13px;color:#bfcdc3}.team{display:grid;grid-template-columns:1fr 1fr;gap:50px}.team article{display:grid;grid-template-columns:160px 1fr;gap:25px}.team img{height:235px;object-position:center 20%;filter:saturate(.65)}.team .eyebrow{font-size:8px;letter-spacing:1px;margin-bottom:12px}.team h3{font-size:25px}.team .role{font-size:11px;color:#71814f;margin:7px 0 16px}.team p:not(.role):not(.eyebrow){font-size:12px;color:var(--muted)}.team .credentials{margin-top:15px;border-top:1px solid var(--line);padding-top:12px;font-size:10px!important}.faq{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.3fr;gap:70px}.faq h2{font-size:37px}.contact{background:#203c39;color:var(--paper);display:grid;grid-template-columns:1fr 1fr;gap:100px}.contact h2{font-size:clamp(44px,5vw,72px);margin-bottom:35px}.email{font-size:23px;border-bottom:1px solid #71806c;padding-bottom:8px;display:inline-block}.contact>div>p:last-child{font-size:13px;color:#bfcdc3;margin-top:30px}form{background:#2c4843;padding:34px}form h3{font-size:24px;margin-bottom:25px}label{display:block;font-size:11px;margin-bottom:17px;color:#d9e0d7}input,select,textarea{display:block;width:100%;border:0;border-bottom:1px solid #678075;background:transparent;color:white;border-radius:0;padding:10px 0;font-size:13px}input::placeholder,textarea::placeholder{color:#b7c5bb}select option{background:#203c39}textarea{resize:vertical}form .button{width:100%;margin-top:6px}.form-note{font-size:10px;color:#beccbf;margin-top:16px}#form-status{font-size:12px;margin-top:10px;color:var(--lime)}footer{padding:40px 6%;display:flex;align-items:center;justify-content:space-between;gap:20px}footer p,footer>a:last-child{font-size:10px;color:var(--muted)}.footer-brand{font-weight:800;font-size:32px;letter-spacing:-2px}.footer-brand span{color:#8ca45a}.skip{position:fixed;top:-100px;left:20px;background:var(--lime);padding:15px;z-index:10}.skip:focus{top:10px}@media(min-width:1600px){header,.section,footer{padding-left:max(6%,calc((100% - 1450px)/2));padding-right:max(6%,calc((100% - 1450px)/2))}}@media(max-width:1050px){nav{gap:20px}.intro{grid-template-columns:1fr}.intro>div{grid-template-columns:1fr 1fr}.service{padding:25px}.service h3{font-size:23px}.team article{grid-template-columns:110px 1fr}.team{gap:25px}.contact{gap:40px}.approach{gap:50px}.section{padding:75px 5%}.hero-content{padding-left:5%}.project-grid{grid-template-columns:1fr 1fr}.project.large{grid-column:1/-1;display:grid;grid-template-columns:1.4fr 1fr;gap:30px}.project.large>div{padding-top:15px}.project.large img{height:320px}}@media(max-width:700px){html{scroll-padding-top:20px}header{height:85px;position:relative}.brand{font-size:31px}.brand small{font-size:7px}.menu{display:block;background:none;border:1px solid var(--line);padding:8px 13px;color:var(--ink);font-size:12px}.menu span{margin-left:10px}nav{display:none;position:absolute;z-index:5;top:85px;left:0;right:0;background:var(--paper);padding:24px;align-items:stretch;flex-direction:column}nav.open{display:flex}.hero{min-height:680px}.hero-content{padding-top:75px;padding-bottom:130px}h1{font-size:51px}.hero .eyebrow{font-size:8px;letter-spacing:1.5px}.hero-intro{font-size:15px;max-width:330px}.hero-secondary{display:block;margin:25px 0 0;width:max-content}.hero-bottom{display:block;font-size:8px;line-height:2}.hero-bottom span{display:block}.image-credit{display:none}.hero-image{background-position:59% center}.hero:after{background:linear-gradient(90deg,#0c2322ed,#0c232275)}.section{padding:60px 6%}.intro{gap:12px}.intro>div{grid-template-columns:1fr;gap:25px}.intro h2{font-size:33px}.section-heading{display:block}.section-heading>p{margin-top:22px;font-size:13px}.section-heading br{display:none}h2{font-size:36px}.services{grid-template-columns:1fr}.service{border-right:0;border-bottom:1px solid var(--line);padding:28px}.service h3{font-size:28px}.service svg{margin:16px 0}.service ul{margin-bottom:10px}.additional,.approach,.faq,.contact{grid-template-columns:1fr;gap:35px}.additional h3{max-width:none}.additional{margin-top:30px}.project-grid{grid-template-columns:1fr}.project.large{grid-column:auto;display:block}.project.large img,.project img{height:280px}.project.large>div{padding-top:24px}.project:nth-child(3) img{height:360px}.project>div{padding-bottom:5px}.approach h2{font-size:36px}.approach ol{margin-top:10px}.team{grid-template-columns:1fr;gap:40px}.team article{grid-template-columns:110px 1fr;gap:20px}.team img{height:175px}.team h3{font-size:24px}.faq h2{font-size:33px}.contact h2{font-size:49px}.email{font-size:21px}form{padding:25px 20px}footer{flex-wrap:wrap;padding:30px 6%}footer p{width:45%}.desktop{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.wastewater-link{display:inline-block;font-size:13px;font-weight:600;border-bottom:1px solid #829648;margin-bottom:18px;color:var(--ink)}

/* Supplied GSENG artwork displayed in full, with its original proportions. */
.brand,.footer-brand{display:flex;flex-direction:column;align-items:flex-start;letter-spacing:normal}
.logo-artwork{display:block;width:280px;max-width:100%}
.logo-artwork img{display:block;width:100%;height:auto;object-fit:contain}
header{height:205px;background:white;color:var(--ink)}
.brand small{font-size:10px;letter-spacing:0;line-height:1.5;margin:0 0 14px;font-weight:500}
.nav-contact{border-color:#bbc5b8}.menu{color:inherit}
footer{background:white;color:var(--ink)}footer p,footer>a:last-child{color:var(--muted)}footer .footer-byline{font-size:12px;max-width:230px}
.hero-bottom>span:first-child{text-transform:none;letter-spacing:.6px}
@media(max-width:700px){header{height:160px}.logo-artwork{width:220px}.brand small{font-size:8px;max-width:240px;letter-spacing:0;margin-bottom:8px}nav{top:160px;background:white}.footer-brand{width:100%}footer .footer-byline{width:100%;max-width:none}}
