:root {
  --navy:#092d52;
  --navy-2:#061d35;
  --blue:#1d5f91;
  --green:#63aa43;
  --green-2:#7bc255;
  --ink:#102235;
  --muted:#5f6d79;
  --line:#dbe3e9;
  --soft:#f3f6f8;
  --white:#ffffff;
  --shadow:0 18px 55px rgba(8,45,82,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{position:fixed;inset:0 0 auto;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(9,45,82,.08)}
.nav-wrap{height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img{width:210px}
.site-nav{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:700;color:#27445e}
.site-nav a:hover{color:var(--green)}
.nav-dropdown{position:relative}
.nav-dropdown-toggle{display:flex;align-items:center;gap:7px;border:0;padding:8px 0;background:transparent;color:inherit;font:inherit;cursor:pointer}
.nav-dropdown-toggle:hover,.nav-dropdown-toggle:focus-visible{color:var(--green);outline:none}
.nav-chevron{font-size:18px;line-height:1;transition:transform .2s ease}
.nav-dropdown.is-open .nav-chevron{transform:rotate(180deg)}
.nav-dropdown-menu{position:absolute;top:100%;left:-18px;width:292px;padding:9px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 20px 48px rgba(8,45,82,.18);opacity:0;visibility:hidden;transform:translateY(-6px);transition:.18s ease}
.nav-dropdown:hover .nav-dropdown-menu,.nav-dropdown.is-open .nav-dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown-menu a{display:block;padding:11px 12px;border-radius:7px;color:#27445e;line-height:1.35}
.nav-dropdown-menu a:hover,.nav-dropdown-menu a:focus-visible,.nav-dropdown-menu a[aria-current="page"]{background:var(--soft);color:var(--navy);outline:none}
.project-card[id],.experience-list article[id]{scroll-margin-top:110px}
.nav-cta{padding:12px 17px;background:var(--navy);color:#fff!important;border-radius:8px}
.nav-toggle{display:none;border:0;background:var(--navy);color:#fff;padding:10px 14px;border-radius:7px;font-weight:700}
.hero{min-height:760px;position:relative;display:flex;align-items:center;color:#fff;overflow:hidden;padding-top:80px}
.hero-media{position:absolute;inset:0;background:url('assets/hero.jpg') center/cover no-repeat;transform:scale(1.02)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,28,52,.92) 0%,rgba(5,38,69,.78) 48%,rgba(5,38,69,.28) 100%)}
.hero-content{position:relative;z-index:2;padding:100px 0 90px}
.eyebrow{margin:0 0 18px;text-transform:uppercase;letter-spacing:.15em;font-weight:800;font-size:12px;color:#a4dd82}
.eyebrow.dark{color:var(--green)}
.hero h1,.section h2{font-family:Manrope,Inter,sans-serif;letter-spacing:-.035em;line-height:1.08;margin:0}
.hero h1{font-size:clamp(48px,6.4vw,84px);max-width:900px}
.hero-copy{font-size:20px;max-width:710px;color:#e8eef3;margin:28px 0 32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:14px 20px;font-weight:800;border:1px solid transparent;cursor:pointer;font-size:15px}
.button-primary{background:var(--green);color:#092d52}
.button-primary:hover{background:var(--green-2)}
.button-secondary{border-color:rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.07)}
.band{background:var(--navy);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stats-grid article{padding:32px 28px;border-right:1px solid rgba(255,255,255,.12)}
.stats-grid article:last-child{border-right:0}
.stats-grid strong{display:block;font-family:Manrope,sans-serif;font-size:34px;color:#a7db85;line-height:1.1}
.stats-grid strong.stat-long{font-size:25px;line-height:1.15}
.stats-grid span{display:block;margin-top:6px;color:#dfe7ed;font-size:13px}
.section{padding:105px 0}
.section-muted{background:var(--soft)}
.split-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:start}
.section h2{font-size:clamp(36px,4.4vw,58px);color:var(--navy)}
.rich-copy{font-size:18px;color:#495e70}
.rich-copy p:first-child{margin-top:2px}
.section-heading{max-width:780px;margin-bottom:48px}
.how-we-work{scroll-margin-top:78px;overflow:hidden}
.how-work-intro{display:grid;grid-template-columns:.88fr 1.12fr;gap:82px;align-items:start}
.how-work-lede{color:#435b6f;font-size:18px;line-height:1.75}
.how-work-lede p{margin:0 0 18px}
.how-work-lede p:last-child{margin-bottom:0}
.engagement-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:58px}
.engagement-card{padding:34px 30px;border:1px solid var(--line);border-radius:16px;background:var(--soft);box-shadow:0 14px 38px rgba(8,45,82,.07)}
.engagement-card>span{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:#e1efdc;color:#276c2a;font-family:Manrope,Inter,sans-serif;font-size:13px;font-weight:800}
.engagement-card h3{margin:25px 0 14px;color:var(--navy);font-family:Manrope,Inter,sans-serif;font-size:25px;line-height:1.2}
.engagement-card p{margin:0 0 14px;color:#4c6071;line-height:1.7}
.engagement-card p:last-child{margin-bottom:0}
.finance-partner{display:grid;grid-template-columns:1.35fr .65fr;gap:54px;align-items:center;margin-top:26px;padding:40px 44px;border-radius:18px;background:linear-gradient(135deg,var(--navy-2),var(--navy));color:#fff;box-shadow:0 22px 55px rgba(8,45,82,.16)}
.finance-partner h3{max-width:760px;margin:0 0 16px;font-family:Manrope,Inter,sans-serif;font-size:clamp(27px,3vw,39px);line-height:1.18}
.finance-partner>div>p:last-child{max-width:790px;margin:0;color:#dce7ee;font-size:17px;line-height:1.75}
.finance-partner figure{margin:0;padding:20px;border-radius:14px;background:#fff}
.finance-partner img{width:100%;height:auto;max-height:215px;object-fit:contain}
.how-work-closing{max-width:940px;margin:38px auto 0;color:var(--navy);font-family:Manrope,Inter,sans-serif;font-size:22px;font-weight:700;line-height:1.55;text-align:center}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px;min-height:300px;transition:.25s ease;cursor:pointer}
.service-card:hover,.service-card:focus-visible{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#8fbd87;outline:none}
.service-card.is-active{border-color:var(--green);box-shadow:0 14px 38px rgba(67,123,52,.15)}
.service-card span{font-weight:800;color:var(--green);font-size:13px}
.service-card h3{font-family:Manrope,sans-serif;color:var(--navy);font-size:23px;margin:35px 0 10px}
.service-card p{margin:0;color:var(--muted)}
.service-card strong{display:block;margin-top:auto;padding-top:24px;color:var(--navy);font-size:14px}
.service-card strong span{display:inline-block;margin-left:4px;font-size:17px;transition:transform .2s ease}
.service-card:hover strong span,.service-card:focus-visible strong span{transform:translateX(4px)}
.service-detail{margin-top:28px;background:var(--navy);color:#fff;border-radius:18px;padding:38px;box-shadow:var(--shadow);scroll-margin-top:105px}
.service-detail:focus{outline:3px solid rgba(99,170,67,.5);outline-offset:4px}
.service-detail-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:36px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.16)}
.service-detail-heading>div{max-width:800px}
.service-detail-heading h3{font-family:Manrope,sans-serif;font-size:clamp(28px,3vw,42px);line-height:1.15;margin:0 0 12px}
.service-detail-heading>div>p:last-child{margin:0;color:#dbe7ef;font-size:17px}
.service-detail-heading .button{flex:0 0 auto}
.service-detail-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;padding-top:30px}
.service-detail h4{margin:0 0 14px;font-family:Manrope,sans-serif;font-size:17px;color:#a7db85}
.service-detail ul{display:grid;grid-template-columns:1fr 1fr;gap:10px 26px;list-style:none;padding:0;margin:0}
.service-detail li{position:relative;padding-left:23px;color:#eef4f7}
.service-detail li:before{content:"✓";position:absolute;left:0;color:#a7db85;font-weight:900}
.service-proof{padding-left:30px;border-left:1px solid rgba(255,255,255,.16)}
.service-proof p{margin:0;color:#dbe7ef}
.service-detail-narrative{margin-top:32px;padding-top:30px;border-top:1px solid rgba(255,255,255,.16)}
.service-detail-narrative[hidden]{display:none}
.service-detail-narrative h4{margin-bottom:10px}
.service-detail-narrative p{margin:0 0 12px;color:#dbe7ef;max-width:1040px}
.service-detail-narrative p:last-child{margin-bottom:0}
.service-detail-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:32px;padding-top:32px;border-top:1px solid rgba(255,255,255,.16)}
.service-detail-gallery[hidden]{display:none}
.service-detail-gallery figure{margin:0;overflow:hidden;border-radius:12px;background:#fff;color:var(--navy)}
.service-detail-gallery img{width:100%;height:230px;object-fit:cover}
.service-detail-gallery figcaption{padding:11px 14px;font-size:12px;font-weight:800}
.technology{background:var(--navy-2);color:#fff}
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.tech-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.tech-copy h2{color:#fff}
.tech-copy>p:not(.eyebrow){font-size:18px;color:#cbd9e4}
.check-list{list-style:none;padding:0;margin:28px 0 0}
.check-list li{padding:12px 0 12px 30px;border-top:1px solid rgba(255,255,255,.12);position:relative;color:#e4edf3}
.check-list li:before{content:"✓";position:absolute;left:0;color:#a7db85;font-weight:900}
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.project-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 10px 30px rgba(13,44,70,.06)}
.project-card img{width:100%;height:250px;object-fit:cover}
.project-body{padding:26px}
.project-kicker{text-transform:uppercase;letter-spacing:.09em;font-size:12px;font-weight:800;color:var(--green);margin:0 0 9px}
.project-body h3{font-family:Manrope,sans-serif;color:var(--navy);font-size:25px;margin:0 0 10px}
.project-body p:last-child{margin:0;color:var(--muted)}
.before-after{background:#0a355d;color:#fff}
.before-after h2{color:#fff}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-grid figure{margin:0;border-radius:14px;overflow:hidden;background:#fff;color:var(--ink)}
.compare-grid img{width:100%;height:390px;object-fit:cover}
.compare-grid figcaption{padding:14px 18px;font-weight:800;color:var(--navy)}
.experience-list{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #cbd6de}
.experience-list article{padding:26px 32px 26px 0;border-bottom:1px solid #cbd6de}
.experience-list article:nth-child(odd){border-right:1px solid #cbd6de}
.experience-list article:nth-child(even){padding-left:32px}
.experience-list h3{font-family:Manrope,sans-serif;margin:0;color:var(--navy);font-size:20px}
.experience-list p{margin:2px 0 8px;color:var(--green);font-weight:700;font-size:13px}
.experience-list span{color:var(--muted)}
.selected-experience-intro{display:grid;grid-template-columns:1.05fr .95fr;gap:78px;align-items:end;margin-bottom:54px}
.selected-experience-intro h2{font-size:clamp(36px,4.4vw,56px)}
.selected-experience-intro>p{margin:0 0 6px;color:#4b6173;font-size:20px}
.experience-projects{display:grid;gap:28px}
.experience-project{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 14px 38px rgba(8,38,61,.08)}
.experience-project-copy{padding:34px 38px}
.experience-project-meta{margin:0 0 10px!important;color:var(--green)!important;font-size:14px!important;font-weight:800;letter-spacing:.09em;text-transform:uppercase}
.experience-project h3,.experience-text-grid h3{margin:0;color:var(--navy);font-family:Manrope,Inter,sans-serif;line-height:1.18}
.experience-project h3{font-size:clamp(29px,3.3vw,38px)}
.experience-project-copy>p:last-child{max-width:960px;margin:14px 0 0;color:#4b6071;font-size:20px;line-height:1.7}
.experience-photo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:16px 20px 20px;background:#edf2f5}
.experience-photo-grid-three{grid-template-columns:repeat(3,1fr)}
.experience-photo-grid figure,.experience-single-photo{margin:0;background:#fff}
.experience-photo-grid img{width:100%;height:160px;object-fit:cover}
.experience-photo-grid-three img{height:160px}
.experience-photo-grid figcaption,.experience-single-photo figcaption{padding:11px 15px;color:#40576a;background:#fff;font-size:12px;font-weight:700}
.experience-project-split{display:grid;grid-template-columns:2fr 1fr;align-items:stretch}
.experience-project-split .experience-project-copy{display:flex;flex-direction:column;justify-content:center}
.experience-single-photo{border-left:1px solid var(--line)}
.experience-single-photo img{width:100%;height:250px;object-fit:cover}
.experience-text-section{margin-top:90px;padding-top:82px;border-top:1px solid #cbd6de}
.experience-text-section .section-heading{max-width:860px}
.experience-text-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.experience-text-grid article{padding:27px 28px;border:1px solid var(--line);border-radius:14px;background:#fff}
.experience-text-grid h3{font-size:25px}
.experience-text-grid article>p:last-child{margin:12px 0 0;color:#53687a;font-size:18px;line-height:1.65}
.experience-project-recope{margin-top:64px}
.contact{background:linear-gradient(135deg,#082b4d 0%,#0a3f6d 100%);color:#fff}
.contact-grid{display:grid;grid-template-columns:1fr .85fr;gap:70px;align-items:start}
.contact h2{color:#fff}
.contact-grid>div>p:last-child{color:#d4e0e9;font-size:17px;max-width:620px}
.contact-email{color:#fff;font-weight:700;text-decoration-thickness:1px;text-underline-offset:3px}
.contact-email:hover,.contact-email:focus-visible{color:#8fd6a9}
.contact-form{background:#fff;padding:30px;border-radius:16px;box-shadow:var(--shadow)}
.contact-form label{display:block;color:#29445c;font-weight:700;font-size:13px;margin-bottom:16px}
.contact-form input,.contact-form textarea{width:100%;margin-top:6px;border:1px solid #cbd6de;border-radius:8px;padding:12px 13px;font:inherit;color:var(--ink);background:#fbfcfd}
.contact-form textarea{resize:vertical}
.contact-form .button{width:100%}
.form-note{margin:12px 0 0;color:#50677a;font-size:13px}
.form-note-success{color:#176b43;font-weight:700}
footer{background:#06182a;color:#b8c6d0;padding:32px 0}
.footer-grid{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:36px}
.footer-grid img{width:180px;background:#fff;border-radius:6px;padding:6px}
.footer-grid p{margin:0;font-size:12px}

.technology-page{padding-top:80px}
.technology-page-hero{background:var(--navy-2);color:#fff;padding:86px 0 78px;overflow:hidden}
.technology-page-hero-grid{display:grid;grid-template-columns:1fr .9fr;gap:72px;align-items:center}
.technology-page-hero h1{font-family:Manrope,Inter,sans-serif;font-size:clamp(44px,5.6vw,72px);letter-spacing:-.04em;line-height:1.04;margin:0}
.technology-page-hero-copy{font-size:19px;color:#d5e0e8;max-width:700px;margin:25px 0 0}
.technology-page-hero figure{margin:0;position:relative}
.technology-page-hero img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;box-shadow:0 28px 70px rgba(0,0,0,.32)}
.technology-page-hero figcaption{position:absolute;right:14px;bottom:14px;padding:8px 11px;border-radius:7px;background:rgba(6,29,53,.86);font-size:12px;font-weight:700;color:#fff}
.back-link{display:inline-flex;margin-bottom:30px;color:#a7db85;font-weight:800;font-size:14px}
.back-link:hover,.back-link:focus-visible{color:#fff}
.technology-detail-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:start}
.technology-detail-copy h2,.technology-related h2{font-family:Manrope,Inter,sans-serif;color:var(--navy);font-size:clamp(34px,4vw,50px);letter-spacing:-.035em;line-height:1.08;margin:0 0 24px}
.technology-detail-copy p{font-size:18px;color:#495e70}
.technology-facts{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:30px}
.technology-facts h2{font-family:Manrope,Inter,sans-serif;color:var(--navy);font-size:24px;line-height:1.2;margin:0 0 18px}
.technology-facts ul{list-style:none;padding:0;margin:0}
.technology-facts li{position:relative;padding:13px 0 13px 28px;border-top:1px solid var(--line);color:#41586b}
.technology-facts li:first-child{border-top:0}
.technology-facts li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}
.technology-proof{margin-top:30px;padding:22px 24px;border-left:4px solid var(--green);background:#edf5ea;color:#29445c;font-weight:600}
.technology-process{background:var(--navy);color:#fff;padding:84px 0}
.technology-process h2{font-family:Manrope,Inter,sans-serif;font-size:clamp(34px,4vw,50px);letter-spacing:-.035em;line-height:1.08;margin:0 0 38px}
.technology-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;list-style:none;padding:0;margin:0;counter-reset:technology-step}
.technology-steps li{counter-increment:technology-step;min-height:190px;padding:24px;border:1px solid rgba(255,255,255,.16);border-radius:14px;background:rgba(255,255,255,.05)}
.technology-steps li:before{content:"0" counter(technology-step);display:block;margin-bottom:28px;color:#a7db85;font-weight:900;font-size:13px}
.technology-steps strong{display:block;font-family:Manrope,Inter,sans-serif;font-size:19px;margin-bottom:8px}
.technology-steps span{color:#cfdae3;font-size:14px}
.technology-related{background:var(--soft)}
.technology-link-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.technology-link-card{display:flex;min-height:145px;flex-direction:column;justify-content:space-between;padding:22px;border:1px solid var(--line);border-radius:13px;background:#fff;color:var(--navy);font-family:Manrope,Inter,sans-serif;font-weight:800;transition:.2s ease}
.technology-link-card span:last-child{font-family:Inter,Arial,sans-serif;font-size:18px;color:var(--green)}
.technology-link-card:hover,.technology-link-card:focus-visible{transform:translateY(-3px);border-color:var(--green);box-shadow:var(--shadow);outline:none}
.technology-link-card[aria-current="page"]{background:var(--navy);border-color:var(--navy);color:#fff}
.technology-page-cta{padding:78px 0;background:linear-gradient(135deg,#082b4d 0%,#0a3f6d 100%);color:#fff}
.technology-page-cta-grid{display:flex;align-items:center;justify-content:space-between;gap:36px}
.technology-page-cta h2{font-family:Manrope,Inter,sans-serif;font-size:clamp(30px,3.7vw,46px);line-height:1.1;max-width:760px;margin:0}
.technology-page-cta .button{flex:0 0 auto}
.technology-document-section{background:#fff}
.technology-document{max-width:980px}
.technology-document h2{font-family:Manrope,Inter,sans-serif;color:var(--navy);font-size:clamp(28px,3.6vw,42px);letter-spacing:-.025em;line-height:1.15;margin:68px 0 22px;padding-top:30px;border-top:1px solid var(--line)}
.technology-document h2:first-child{margin-top:0;padding-top:0;border-top:0}
.technology-document p{font-size:17px;color:#3f566a;margin:0 0 20px}
.technology-document-list{margin:18px 0 28px;padding-left:28px}
.technology-document-list li{padding-left:10px;margin-bottom:18px;color:#3f566a;font-size:17px}
.technology-document-list li::marker{color:var(--green);font-weight:900}
.technology-document-list li p{margin-bottom:16px}
.technology-document-list li p:last-child{margin-bottom:0}
.technology-document-list-compact{margin-top:8px}
.technology-document-list-compact li{margin-bottom:8px}
.technology-document-stage{margin-top:56px!important;padding:24px 26px;border-left:4px solid var(--green);background:var(--soft);color:#29445c!important}
.technology-document-stage strong{color:var(--navy)}
.technology-document-media{margin:30px 0 42px}
.technology-document-media a{display:block}
.technology-document-media img{display:block;width:100%;height:auto;border:1px solid var(--line);box-shadow:0 14px 36px rgba(8,38,61,.1)}
.technology-document-media-grid{display:grid;grid-template-columns:1.28fr 1fr;align-items:start;gap:18px}
.technology-document-media-grid img{aspect-ratio:auto}
.technology-document-media-centered{max-width:760px;margin-left:auto;margin-right:auto}
.technology-document-media-large{max-width:855px}
.technology-document-media-wide{max-width:920px;margin-left:auto;margin-right:auto}
.technology-output-table-wrap{overflow-x:auto;margin-top:26px}
.technology-output-table{width:100%;border-collapse:collapse;border:1px solid var(--line);font-size:17px}
.technology-output-table th,.technology-output-table td{padding:20px 22px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.technology-output-table tr:last-child th,.technology-output-table tr:last-child td{border-bottom:0}
.technology-output-table th{width:34%;background:var(--navy);color:#fff;font-family:Manrope,Inter,sans-serif}
.technology-output-table td{background:var(--soft);color:#29445c}
.technology-diagram-section{background:#fff;padding:0 0 84px}
.technology-diagram-container{max-width:1280px}
.technology-diagram-title{max-width:980px;margin:0 auto 28px;font-family:Manrope,Inter,sans-serif;color:var(--navy);font-size:clamp(28px,3.6vw,42px);letter-spacing:-.025em;line-height:1.15}
.technology-diagram{margin:0;padding:24px;background:#fff;border:1px solid var(--line);box-shadow:0 18px 50px rgba(8,38,61,.1)}
.technology-diagram a{display:block}
.technology-diagram img{display:block;width:100%;height:auto}

/* Sludge Treatment Systems */
.sludge-page{background:#fff}
.sludge-page h2,.sludge-page h3{font-family:Manrope,Inter,sans-serif}
.sludge-page figure{margin:0}
.sludge-page figure img{width:100%}
.sludge-page figcaption{padding:11px 14px;background:#fff;color:#385065;font-size:12px;font-weight:700;line-height:1.45}
.sludge-page figcaption strong,.sludge-page figcaption span{display:block}
.sludge-page figcaption span{margin-top:4px;color:#657787;font-weight:500}
.sludge-hero{position:relative;background:linear-gradient(120deg,#061d35 0%,#092d52 100%)}
.sludge-hero:after{content:"";position:absolute;inset:auto -10% -180px 38%;height:380px;border-radius:50%;background:rgba(99,170,67,.08);filter:blur(2px);pointer-events:none}
.sludge-hero .container{position:relative;z-index:1}
.sludge-hero img{object-position:center 44%}
.sludge-hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px}
.sludge-hero-tags span{padding:8px 12px;border:1px solid rgba(255,255,255,.2);border-radius:999px;color:#dbe7ee;background:rgba(255,255,255,.05);font-size:12px;font-weight:700}
.sludge-section-heading{display:grid;grid-template-columns:.9fr 1.1fr;gap:74px;align-items:start;margin-bottom:46px}
.sludge-section-heading h2,.sludge-split h2,.sludge-design h2,.sludge-wear-heading h2,.sludge-flow-diagram h2{font-size:clamp(34px,4.2vw,54px);letter-spacing:-.035em;line-height:1.08;color:var(--navy);margin:0}
.sludge-lede p,.sludge-split>div>p:not(.eyebrow),.sludge-design-copy>p:not(.eyebrow),.sludge-flow-diagram>div>p:not(.eyebrow){font-size:17px;color:#4a6072;margin:0 0 18px}
.sludge-lede p:last-child,.sludge-split>div>p:last-child,.sludge-design-copy>p:last-child,.sludge-flow-diagram>div>p:last-child{margin-bottom:0}
.sludge-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);margin:0 0 54px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 16px 40px rgba(8,38,61,.07)}
.sludge-stat-grid article{padding:30px 32px;border-right:1px solid var(--line)}
.sludge-stat-grid article:last-child{border-right:0}
.sludge-stat-grid strong{display:block;font-family:Manrope,Inter,sans-serif;font-size:35px;line-height:1;color:var(--green)}
.sludge-stat-grid span{display:block;margin-top:10px;color:#52687a;font-size:13px}
.sludge-claim-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:54px}
.sludge-claim-grid article{padding:28px;border:1px solid var(--line);border-radius:14px;background:var(--soft)}
.sludge-claim-grid article>span{color:var(--green);font-weight:800;font-size:12px}
.sludge-claim-grid h3{margin:22px 0 10px;color:var(--navy);font-size:21px;line-height:1.2}
.sludge-claim-grid p{margin:0;color:#52687a;font-size:14px}
.sludge-photo-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.sludge-photo-pair figure,.sludge-split figure,.sludge-diagram-grid figure,.sludge-stream-gallery figure,.sludge-chemistry-grid figure,.sludge-results-photos figure{overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 14px 36px rgba(8,38,61,.09)}
.sludge-photo-pair img{height:360px;object-fit:cover}
.sludge-complete-system{background:var(--navy);color:#fff}
.sludge-split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.sludge-split-photo-right{grid-template-columns:1.08fr .92fr}
.sludge-split figure img{aspect-ratio:4/3;object-fit:cover}
.sludge-complete-system h2,.sludge-complete-system .sludge-split>div>p:not(.eyebrow){color:#fff}
.sludge-complete-system .sludge-split>div>p:not(.eyebrow){color:#d2dee7}
.sludge-machine{background:#fff}
.sludge-design{margin-top:94px;padding:50px;border:1px solid var(--line);border-radius:20px;background:var(--soft)}
.sludge-design-copy{max-width:900px}
.sludge-diagram-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:34px;align-items:stretch}
.sludge-diagram-grid figure{display:flex;flex-direction:column;justify-content:space-between}
.sludge-diagram-grid img{height:300px;object-fit:contain;padding:22px;background:#fff}
.sludge-performance{display:grid;grid-template-columns:.78fr 1.22fr;gap:66px;margin-top:72px;padding:48px;border-radius:20px;background:var(--navy);color:#fff}
.sludge-performance h2{color:#fff;font-size:clamp(34px,4vw,50px);line-height:1.08;margin:0}
.sludge-performance ul{display:grid;grid-template-columns:1fr 1fr;gap:0 28px;list-style:none;padding:0;margin:0}
.sludge-performance li{padding:18px 0;border-top:1px solid rgba(255,255,255,.15)}
.sludge-performance li:nth-child(-n+2){border-top:0;padding-top:0}
.sludge-performance strong,.sludge-performance span{display:block}
.sludge-performance strong{color:#a7db85;font-size:15px}
.sludge-performance span{margin-top:6px;color:#d4e1e9;font-size:13px}
.sludge-stream-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.sludge-stream-gallery img{height:280px;object-fit:cover}
.sludge-engineering{background:var(--soft)}
.sludge-engineering .sludge-split+.sludge-split{margin-top:94px;padding-top:94px;border-top:1px solid #cfdae2}
.sludge-durability{grid-template-columns:.85fr 1.15fr}
.sludge-wear-study{margin-top:94px;padding-top:80px;border-top:1px solid #cfdae2}
.sludge-wear-heading{max-width:760px;margin-bottom:34px}
.sludge-wear-study .sludge-photo-pair img{height:340px}
.sludge-chemistry{background:var(--navy-2);color:#fff}
.sludge-chemistry .sludge-section-heading h2,.sludge-chemistry .sludge-lede p{color:#fff}
.sludge-chemistry .sludge-lede p{color:#d0dce5}
.sludge-chemistry-grid{display:grid;grid-template-columns:.8fr 1.1fr 1fr;gap:20px;align-items:stretch}
.sludge-chemistry-grid figure{box-shadow:0 18px 42px rgba(0,0,0,.2);display:flex;flex-direction:column}
.sludge-chemistry-grid figure img{height:100%;min-height:420px;object-fit:cover}
.sludge-chemistry-grid figcaption{margin-top:auto}
.sludge-chemistry-copy{padding:34px;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(255,255,255,.06)}
.sludge-chemistry-copy h3{margin:0 0 20px;color:#a7db85;font-size:25px;line-height:1.18}
.sludge-chemistry-copy p{margin:0 0 17px;color:#d8e3ea;font-size:14px}
.sludge-chemistry-copy p:last-child{margin-bottom:0}
.sludge-input-grid,.sludge-output-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sludge-input-grid article,.sludge-output-grid article{padding:25px;border-radius:13px;text-align:center}
.sludge-input-grid article{background:var(--soft);border:1px solid var(--line)}
.sludge-input-grid span,.sludge-input-grid strong,.sludge-output-grid span,.sludge-output-grid strong{display:block}
.sludge-input-grid span,.sludge-output-grid span{text-transform:uppercase;letter-spacing:.1em;font-size:11px;font-weight:800}
.sludge-input-grid span{color:#607486}
.sludge-input-grid strong{margin-top:7px;color:var(--navy);font-family:Manrope,Inter,sans-serif;font-size:29px}
.sludge-flow-path{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:13px;align-items:center;margin:25px 0}
.sludge-flow-path div{min-height:126px;padding:22px;border:1px solid var(--line);border-radius:13px;background:#fff;box-shadow:0 10px 26px rgba(8,38,61,.06)}
.sludge-flow-path span,.sludge-flow-path strong{display:block}
.sludge-flow-path span{color:var(--green);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.1em}
.sludge-flow-path strong{margin-top:12px;color:var(--navy);line-height:1.35}
.sludge-flow-path i{color:var(--green);font-size:23px;font-style:normal}
.sludge-output-grid article{background:var(--navy);color:#fff}
.sludge-output-grid span{color:#aec0ce}
.sludge-output-grid strong{margin-top:7px;color:#a7db85;font-family:Manrope,Inter,sans-serif;font-size:20px}
.sludge-flow-diagram{display:grid;grid-template-columns:.62fr 1.38fr;gap:54px;align-items:start;margin-top:92px;padding-top:78px;border-top:1px solid var(--line)}
.sludge-flow-diagram figure{padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 16px 40px rgba(8,38,61,.09)}
.sludge-flow-diagram figure a{display:block}
.sludge-flow-diagram figure img{height:auto;object-fit:contain}
.sludge-flow-diagram figcaption{padding:10px 0 0;text-align:center}
.sludge-results{background:var(--navy);color:#fff}
.sludge-results .sludge-section-heading h2,.sludge-results .sludge-lede p{color:#fff}
.sludge-results .sludge-lede p{color:#d2dee7}
.sludge-results-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:58px;align-items:start}
.sludge-results-grid>div:first-child{padding:34px;border:1px solid rgba(255,255,255,.15);border-radius:15px;background:rgba(255,255,255,.05)}
.sludge-results-grid h3{margin:0 0 18px;color:#a7db85;font-size:25px;line-height:1.2}
.sludge-results-grid p{color:#d7e2e9;font-size:15px}
.sludge-results-grid p:last-child{margin-bottom:0}
.sludge-results-photos{display:grid;grid-template-columns:1.35fr .8fr;gap:18px}
.sludge-results-photos img{height:330px;object-fit:cover}
.sludge-closing .technology-page-cta-grid>div{max-width:800px}
.sludge-closing .technology-page-cta-grid>div>p:last-child{margin:20px 0 0;color:#d7e2e9}
.sludge-closing .technology-page-cta-grid>div>p:last-child a{text-decoration:underline;text-underline-offset:3px}
.sludge-closing .technology-page-cta-grid>div>p:last-child a:hover{color:#a7db85}

/* Azerbaijan drill cuttings case study */
.case-study-page{background:#fff}
.case-study-hero{padding:158px 0 86px;background:radial-gradient(circle at 82% 22%,rgba(99,170,67,.18),transparent 34%),linear-gradient(135deg,var(--navy-2),var(--navy));color:#fff}
.case-study-hero-inner{max-width:1040px}
.case-study-hero .back-link{color:#d5e2ea}
.case-study-hero .back-link:hover{color:#a7db85}
.case-study-hero .eyebrow{margin-top:44px}
.case-study-label{margin:0 0 18px;color:#a7db85;font-size:14px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.case-study-hero h1{max-width:1000px;margin:0;font-family:Manrope,Inter,sans-serif;font-size:clamp(42px,5.6vw,70px);line-height:1.06;letter-spacing:-.04em}
.case-study-lead{max-width:940px;margin:34px 0 0;padding:26px 0 0;border-top:1px solid rgba(255,255,255,.2);color:#dce7ee;font-size:clamp(20px,2.2vw,28px);line-height:1.5}
.case-study-story{padding:90px 0}
.case-study-copy{max-width:960px}
.case-study-copy>p,.case-study-technology p{margin:0 0 24px;color:#3f566a;font-size:18px;line-height:1.75}
.case-study-map{margin:54px 0;padding:14px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 22px 55px rgba(8,38,61,.12)}
.case-study-map a{display:block}
.case-study-map img{width:100%;height:auto;border-radius:10px}
.case-study-callout{margin:54px 0 0;padding:34px 38px;border-left:5px solid var(--green);border-radius:0 14px 14px 0;background:#e8f3ed;color:#173d32;font-size:20px;font-weight:700;line-height:1.65}
.case-study-technology{padding:92px 0 100px;background:var(--soft)}
.case-study-technology-inner{max-width:960px}
.case-study-technology h2{max-width:900px;margin:0 0 52px;color:var(--navy);font-family:Manrope,Inter,sans-serif;font-size:clamp(34px,4.6vw,54px);line-height:1.12;letter-spacing:-.035em}
.case-study-technology article{padding:42px 0;border-top:1px solid #cbd8e1}
.case-study-technology article:first-of-type{border-top:4px solid var(--green)}
.case-study-technology h3{margin:0 0 20px;color:var(--navy);font-family:Manrope,Inter,sans-serif;font-size:27px;line-height:1.25}
.case-study-technology article p:last-child{margin-bottom:0}
.case-study-closing{padding:70px 0;background:var(--navy);color:#fff}
.case-study-closing-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.case-study-closing h2{max-width:700px;margin:0;font-family:Manrope,Inter,sans-serif;font-size:clamp(30px,4vw,46px);line-height:1.12}

@media (max-width:1180px){
  .nav-toggle{display:block}
  .site-nav{display:none;position:absolute;top:80px;left:0;right:0;background:#fff;padding:20px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}
  .site-nav.open{display:flex}
  .nav-dropdown{width:100%}
  .nav-dropdown-toggle{width:100%;justify-content:space-between;padding:4px 0}
  .nav-dropdown-menu{display:none;position:static;width:100%;margin-top:8px;padding:7px;background:var(--soft);box-shadow:none;opacity:1;visibility:visible;transform:none}
  .nav-dropdown:hover .nav-dropdown-menu{display:none}
  .nav-dropdown.is-open .nav-dropdown-menu{display:block}
}
@media (max-width:900px){
  .hero{min-height:680px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid article:nth-child(2){border-right:0}
  .split-grid,.tech-grid,.contact-grid,.service-detail-grid{grid-template-columns:1fr;gap:42px}
  .card-grid,.project-grid{grid-template-columns:1fr 1fr}
  .project-card:last-child{grid-column:1/-1}
  .service-detail ul{grid-template-columns:1fr}
  .service-proof{padding-left:0;padding-top:26px;border-left:0;border-top:1px solid rgba(255,255,255,.16)}
  .service-detail-gallery{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
  .technology-page-hero-grid,.technology-detail-grid{grid-template-columns:1fr;gap:42px}
  .sludge-section-heading,.sludge-split,.sludge-split-photo-right,.sludge-durability,.sludge-performance,.sludge-chemistry-grid,.sludge-flow-diagram,.sludge-results-grid{grid-template-columns:1fr}
  .sludge-section-heading,.sludge-split,.sludge-performance,.sludge-flow-diagram,.sludge-results-grid{gap:38px}
  .sludge-claim-grid,.sludge-diagram-grid{grid-template-columns:1fr}
  .sludge-chemistry-grid figure img{height:380px;min-height:0}
  .sludge-results-photos{grid-template-columns:1fr 1fr}
  .sludge-flow-path{grid-template-columns:1fr}
  .sludge-flow-path i{transform:rotate(90deg);text-align:center;line-height:1}
  .technology-steps,.technology-link-grid{grid-template-columns:1fr 1fr}
  .technology-page-cta-grid{align-items:flex-start;flex-direction:column}
  .case-study-closing-inner{align-items:flex-start;flex-direction:column}
  .how-work-intro,.finance-partner{grid-template-columns:1fr;gap:34px}
  .engagement-grid{grid-template-columns:1fr}
  .finance-partner figure{max-width:420px}
  .selected-experience-intro{grid-template-columns:1fr;gap:24px}
  .experience-project-split{grid-template-columns:1fr}
  .experience-single-photo{border-left:0;border-top:1px solid var(--line)}
  .experience-text-grid{grid-template-columns:1fr 1fr}
  .experience-photo-grid,.experience-photo-grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}
  .experience-single-photo img{height:220px}
}
@media (max-width:620px){
  .container{width:min(100% - 28px,1180px)}
  .brand img{width:175px}
  .hero h1{font-size:45px}
  .hero-copy{font-size:17px}
  .section{padding:78px 0}
  .stats-grid,.card-grid,.project-grid,.compare-grid,.experience-list,.footer-grid{grid-template-columns:1fr}
  .stats-grid article{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}
  .project-card:last-child{grid-column:auto}
  .compare-grid img{height:280px}
  .experience-list article,.experience-list article:nth-child(even){padding:22px 0;border-right:0}
  .experience-project-copy{padding:26px 22px}
  .experience-photo-grid,.experience-photo-grid-three{grid-template-columns:repeat(2,minmax(0,1fr));padding:12px;gap:10px}
  .experience-text-grid{grid-template-columns:1fr}
  .experience-photo-grid img,.experience-photo-grid-three img{height:135px;object-fit:cover}
  .experience-single-photo img{height:180px;object-fit:cover}
  .experience-text-section{margin-top:64px;padding-top:58px}
  .experience-project-recope{margin-top:44px}
  .engagement-card{padding:28px 24px}
  .finance-partner{padding:30px 24px}
  .how-work-closing{font-size:19px;text-align:left}
  .footer-grid{gap:18px}
  .service-card{min-height:0}
  .service-card h3{margin-top:22px}
  .service-detail{padding:26px 22px}
  .service-detail-heading{display:block}
  .service-detail-heading .button{width:100%;margin-top:24px}
  .service-detail-gallery{grid-template-columns:1fr}
  .service-detail-gallery img{height:auto;max-height:360px}
  .technology-page-hero{padding:62px 0}
  .technology-page-hero h1{font-size:42px}
  .technology-page-hero-copy{font-size:17px}
  .sludge-section-heading h2,.sludge-split h2,.sludge-design h2,.sludge-wear-heading h2,.sludge-flow-diagram h2{font-size:34px}
  .sludge-stat-grid,.sludge-photo-pair,.sludge-stream-gallery,.sludge-input-grid,.sludge-output-grid,.sludge-results-photos{grid-template-columns:1fr}
  .sludge-stat-grid article{border-right:0;border-bottom:1px solid var(--line)}
  .sludge-stat-grid article:last-child{border-bottom:0}
  .sludge-photo-pair img,.sludge-wear-study .sludge-photo-pair img,.sludge-stream-gallery img,.sludge-results-photos img{height:auto;aspect-ratio:4/3}
  .sludge-design,.sludge-performance{padding:27px 22px}
  .sludge-performance ul{grid-template-columns:1fr}
  .sludge-performance li:nth-child(2){border-top:1px solid rgba(255,255,255,.15);padding-top:18px}
  .sludge-diagram-grid img{height:auto;min-height:220px}
  .sludge-engineering .sludge-split+.sludge-split{margin-top:70px;padding-top:70px}
  .sludge-wear-study{margin-top:70px;padding-top:60px}
  .technology-steps,.technology-link-grid{grid-template-columns:1fr}
  .technology-steps li{min-height:0}
  .technology-page-cta .button{width:100%}
  .technology-document h2{margin-top:50px}
  .technology-document-stage{padding:20px}
  .technology-document-media-grid{grid-template-columns:1fr}
  .technology-document-media{margin:24px 0 34px}
  .technology-output-table th,.technology-output-table td{padding:16px}
  .technology-diagram-section{padding-bottom:56px}
  .technology-diagram{padding:10px}
  .case-study-hero{padding:130px 0 64px}
  .case-study-hero .eyebrow{margin-top:34px}
  .case-study-hero h1{font-size:40px}
  .case-study-lead{font-size:19px}
  .case-study-story,.case-study-technology{padding:64px 0}
  .case-study-copy>p,.case-study-technology p{font-size:16px;line-height:1.7}
  .case-study-map{margin:38px 0;padding:8px}
  .case-study-callout{margin-top:38px;padding:26px 24px;font-size:17px}
  .case-study-technology article{padding:34px 0}
  .case-study-technology h3{font-size:23px}
}