:root{
  --ink:#111418;
  --paper:#f2efe8;
  --paper-2:#e6e1d8;
  --white:#fff;
  --blue:#5f98c6;
  --blue-deep:#254866;
  --lime:#d7ff52;
  --muted:#687078;
  --line:rgba(17,20,24,.16);
  --max:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'IBM Plex Sans',sans-serif;background:var(--paper);color:var(--ink);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;background:rgba(242,239,232,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-wrap{height:120px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand-logo{width:auto;height:92px;max-width:170px;object-fit:contain}.brand{display:flex;align-items:center;height:100%;padding:10px 0}
.main-nav{display:flex;align-items:center;gap:34px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.main-nav a:not(.nav-cta){position:relative;padding:48px 0}
.main-nav a:not(.nav-cta):after{content:'';position:absolute;left:0;right:100%;bottom:34px;height:2px;background:var(--ink);transition:.25s}
.main-nav a:hover:after{right:0}
.nav-cta{background:var(--ink);color:#fff;padding:13px 18px}
.menu-toggle{display:none;border:0;background:none;padding:10px}.menu-toggle span{display:block;width:25px;height:2px;background:var(--ink);margin:5px}

.hero{min-height:100vh;padding-top:120px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero:before{content:'ALTUS';position:absolute;right:-.04em;bottom:-.26em;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:clamp(180px,30vw,520px);letter-spacing:-.08em;color:rgba(17,20,24,.035);pointer-events:none}
.hero-grid-bg{position:absolute;inset:120px 0 0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.35),transparent 82%)}
.hero-inner{min-height:calc(100vh - 120px);display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center;position:relative;z-index:1;padding-block:70px}
.eyebrow{margin:0 0 24px;font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}.eyebrow:before{content:'';display:inline-block;width:44px;height:2px;background:currentColor;vertical-align:middle;margin-right:14px}.eyebrow.dark{color:var(--ink)}
.hero h1,.section-heading h2,.solutions-head h2,.industries-copy h2,.why-title h2,.contact-copy h2{font-family:'Space Grotesk',sans-serif;letter-spacing:-.045em;line-height:.98;margin:0}
.hero h1{font-size:clamp(62px,7vw,112px);max-width:900px;text-transform:uppercase}
.hero-lead{font-size:20px;max-width:700px;margin:30px 0 34px;color:#3c4349}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding:0 22px;font-weight:700;font-size:14px;border:1px solid var(--ink);transition:.22s}.btn-primary{background:var(--ink);color:#fff}.btn-primary:hover{background:var(--blue-deep);border-color:var(--blue-deep)}.btn-ghost{background:transparent}.btn-ghost:hover{background:#fff}
.hero-proof{display:grid;grid-template-columns:repeat(3,1fr);margin-top:58px;border-top:1px solid var(--line)}.hero-proof div{padding:18px 18px 0 0}.hero-proof div+div{border-left:1px solid var(--line);padding-left:18px}.hero-proof strong{display:block;font-family:'Space Grotesk';font-size:18px}.hero-proof span{font-size:13px;color:var(--muted)}
.hero-visual{height:580px;position:relative;display:flex;align-items:center;justify-content:center}.plant-card{position:relative;width:420px;height:500px;background:var(--ink);color:white;border:1px solid var(--ink);padding:26px;transform:rotate(2deg);box-shadow:24px 24px 0 var(--blue)}.plant-topline{display:flex;justify-content:space-between;font-size:12px;letter-spacing:.15em}.plant-diagram{position:absolute;inset:92px 28px 82px;border:1px solid rgba(255,255,255,.22);background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:28px 28px}.tank{position:absolute;width:70px;height:130px;border:3px solid var(--lime);border-radius:35px}.tank-a{left:48px;top:85px}.tank-b{right:42px;top:54px;height:155px}.tank span{position:absolute;left:-3px;right:-3px;top:45%;height:3px;background:var(--lime)}.pump{position:absolute;left:145px;bottom:50px;width:95px;height:60px;border:3px solid #fff}.pump:before{content:'';position:absolute;width:42px;height:42px;border:3px solid #fff;border-radius:50%;left:23px;top:6px}.pipe{position:absolute;background:#fff}.p1{left:116px;top:125px;width:80px;height:3px}.p2{left:194px;top:125px;width:3px;height:125px}.p3{left:195px;top:210px;width:95px;height:3px}.gauge{position:absolute;right:108px;bottom:39px;width:38px;height:38px;border:3px solid var(--lime);border-radius:50%}.plant-metrics{position:absolute;left:26px;right:26px;bottom:25px;display:flex;justify-content:space-between;font-size:11px;color:#c9ced2}.plant-metrics i{display:inline-block;width:7px;height:7px;background:var(--lime);margin-right:7px}.orbit,.floating-tag{display:none}.scroll-cue{position:absolute;left:28px;bottom:28px;font-size:11px;letter-spacing:.16em;text-transform:uppercase;writing-mode:vertical-rl}.scroll-cue span{display:inline-block;width:1px;height:44px;background:var(--ink);margin-bottom:10px}

.section{padding:120px 0;border-bottom:1px solid var(--line)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:90px}.section-heading h2,.solutions-head h2,.industries-copy h2,.contact-copy h2{font-size:clamp(44px,5vw,76px)}.intro-copy{font-size:18px;color:#3f464d}.intro-copy p:first-child{font-size:24px;color:var(--ink)}.text-link{display:inline-block;margin-top:18px;font-weight:700;border-bottom:1px solid var(--ink)}

.services{background:#fff}.section-heading.centered{text-align:left;display:grid;grid-template-columns:.5fr 1.2fr .8fr;gap:30px;align-items:end}.section-heading.centered p:last-child{margin:0;color:var(--muted)}.service-grid{margin-top:70px;border-top:1px solid var(--ink)}.service-card{display:grid;grid-template-columns:90px 1fr 1.25fr;align-items:start;gap:35px;padding:32px 0;border-bottom:1px solid var(--line);position:relative}.service-card:hover{background:var(--paper)}.service-no{font-family:'Space Grotesk';font-weight:700;font-size:14px}.service-card h3{font-family:'Space Grotesk';font-size:28px;letter-spacing:-.03em;margin:0}.service-card p{margin:0;color:var(--muted);max-width:560px}.service-card .icon{display:none}

.solutions{background:var(--ink);color:#fff}.solutions-head{display:grid;grid-template-columns:1.2fr .8fr;gap:80px;align-items:end}.solutions-head>p{color:#bbc0c5;font-size:18px}.solution-grid{display:grid;grid-template-columns:repeat(12,1fr);margin-top:70px;border-top:1px solid rgba(255,255,255,.22)}.solution-card{grid-column:span 6;min-height:260px;border-bottom:1px solid rgba(255,255,255,.22);border-right:1px solid rgba(255,255,255,.22);padding:34px;display:flex;align-items:flex-end;position:relative;overflow:hidden}.solution-card:nth-child(2n){border-right:0}.solution-card.large{grid-column:span 12;min-height:380px}.solution-content{position:relative;z-index:2;max-width:650px}.solution-card h3{font-family:'Space Grotesk';font-size:34px;margin:10px 0 8px;letter-spacing:-.035em}.solution-card p{margin:0;color:#bdc4ca}.pill{display:inline-block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--lime)}.solution-art{position:absolute;right:4%;top:10%;opacity:.2;transform:scale(1.3)}.art-pump{width:300px;height:230px;border:18px solid var(--blue);border-radius:50%}.art-pump:before{content:'';position:absolute;width:160px;height:70px;border:18px solid var(--blue);right:-100px;top:72px}.art-pump span{position:absolute;width:80px;height:80px;background:var(--blue);border-radius:50%;left:92px;top:57px}

.industries{background:var(--paper-2)}.industries-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px}.industries-copy p:last-child{max-width:520px;color:var(--muted);font-size:18px}.industry-list{border-top:1px solid var(--ink)}.industry-list div{display:grid;grid-template-columns:70px 1fr;gap:20px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}.industry-list span{font:700 13px 'Space Grotesk'}.industry-list strong{font:600 27px 'Space Grotesk';letter-spacing:-.025em}

.why-us{background:var(--blue);color:#0d1b27}.why-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px}.why-title h2{font-size:clamp(48px,6vw,92px);text-transform:uppercase}.why-points{border-top:1px solid rgba(13,27,39,.45)}.why-points div{display:grid;grid-template-columns:50px 1fr;gap:15px;padding:22px 0;border-bottom:1px solid rgba(13,27,39,.28)}.why-points>div>span{font-size:20px}.why-points p{margin:0}.why-points strong{font-family:'Space Grotesk';font-size:20px}

.contact{background:#fff}.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px}.contact-copy>p:not(.eyebrow){font-size:18px;color:var(--muted);max-width:560px}.contact-meta{margin-top:45px;border-top:1px solid var(--ink)}.contact-meta div{padding:18px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:110px 1fr}.contact-meta span{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}.contact-meta strong{font-weight:600}.contact-form{border-left:1px solid var(--line);padding-left:48px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:24px}label{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:22px}input,textarea{width:100%;border:0;border-bottom:1px solid var(--ink);background:transparent;border-radius:0;padding:12px 0 13px;font:16px 'IBM Plex Sans';outline:none;color:var(--ink)}textarea{resize:vertical;min-height:120px}input:focus,textarea:focus{border-bottom:3px solid var(--blue)}.submit-btn{margin-top:10px}.form-status{font-size:13px;color:var(--muted)}

.site-footer{background:var(--ink);color:#fff;padding:44px 0 24px}.footer-top{display:grid;grid-template-columns:1fr 1fr auto;align-items:center;gap:30px}.brand-footer{background:#fff;padding:10px 14px;width:max-content}.brand-footer .brand-logo{width:150px}.footer-top p{color:#aab0b5}.back-top{font-size:12px;text-transform:uppercase;letter-spacing:.14em}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);font-size:12px;color:#8f969c}

.reveal{opacity:0;transform:translateY(18px);transition:.65s ease}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.08s}.delay-2{transition-delay:.16s}.delay-3{transition-delay:.24s}
@media(max-width:980px){
  .container{width:min(100% - 32px,var(--max))}.main-nav{position:fixed;top:120px;left:0;right:0;background:var(--paper);padding:28px 24px;display:none;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)}.main-nav.open{display:flex}.main-nav a:not(.nav-cta){padding:5px 0}.menu-toggle{display:block}.hero-inner,.two-col,.solutions-head,.industries-wrap,.why-panel,.contact-grid{grid-template-columns:1fr;gap:50px}.hero-inner{padding-top:52px}.hero-visual{height:460px}.plant-card{width:330px;height:390px}.section{padding:86px 0}.section-heading.centered{grid-template-columns:1fr}.service-card{grid-template-columns:54px 1fr}.service-card p{grid-column:2}.solution-card,.solution-card.large{grid-column:span 12}.solution-card{border-right:0}.contact-form{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:35px}
}
@media(max-width:640px){
  .nav-wrap{height:96px}.brand-logo{width:auto;height:72px;max-width:135px}.hero{padding-top:96px}.hero-grid-bg{inset:96px 0 0}.hero-inner{min-height:auto;padding-block:55px 70px}.hero h1{font-size:50px}.hero-lead{font-size:17px}.hero-proof{grid-template-columns:1fr}.hero-proof div+div{border-left:0;padding-left:0}.hero-visual{height:360px}.plant-card{width:270px;height:320px;padding:18px;box-shadow:14px 14px 0 var(--blue)}.plant-diagram{inset:68px 20px 64px}.tank{transform:scale(.72)}.tank-b{right:10px}.pump{transform:scale(.72);left:95px;bottom:18px}.p1,.p2,.p3,.gauge{display:none}.plant-metrics{font-size:9px;left:16px;right:16px;bottom:14px}.scroll-cue{display:none}.section-heading h2,.solutions-head h2,.industries-copy h2,.contact-copy h2{font-size:42px}.section{padding:70px 0}.service-card{grid-template-columns:40px 1fr;gap:14px}.service-card h3{font-size:22px}.solution-card{padding:26px;min-height:235px}.solution-card h3{font-size:27px}.industry-list strong{font-size:21px}.form-row{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.hero-actions{flex-direction:column;align-items:stretch}.btn{width:100%}
}