:root{
  --ink:#10211e;
  --deep:#0b2924;
  --deep-2:#123d34;
  --green:#2f8b6d;
  --green-light:#8fcdb0;
  --sand:#f4f1e9;
  --paper:#fbfaf7;
  --line:#d8ddd5;
  --muted:#64716d;
  --copper:#c78c59;
  --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,calc(100% - 48px));margin:auto}
.topbar{background:#091c19;color:#cbd9d3;font-size:12px;letter-spacing:.04em}
.topbar-inner{display:flex;justify-content:space-between;gap:20px;padding:9px 0}
.topbar a{color:#e6f1ec}
.site-header{background:rgba(251,250,247,.96);border-bottom:1px solid rgba(16,33,30,.09);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav-wrap{height:88px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand img{width:330px;max-width:48vw;display:block}
.nav{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:650}
.nav a{color:#34433f}
.nav a:hover{color:var(--green)}
.nav-cta{border:1px solid #b8c4bd;border-radius:4px;padding:10px 18px!important}
.menu-toggle{display:none;background:none;border:0;font-size:25px;color:var(--ink)}
.hero{position:relative;overflow:hidden;background:linear-gradient(115deg,#f8f6ef 0%,#f2f3ed 55%,#dcebe2 100%);min-height:650px}
.hero-grid{position:absolute;inset:0;opacity:.35;background-image:linear-gradient(rgba(15,52,43,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(15,52,43,.06) 1px,transparent 1px);background-size:60px 60px;mask-image:linear-gradient(to right,black,transparent 75%)}
.hero-inner{min-height:650px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;position:relative}
.hero-copy{padding:72px 0;position:relative;z-index:2}
.eyebrow{font-size:11px;letter-spacing:.22em;font-weight:800;color:#b7d7c8;margin:0 0 18px}
.eyebrow.dark{color:#4d7567}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;font-weight:500;line-height:1.08;margin:0}
h1{font-size:clamp(50px,6vw,78px);letter-spacing:-.04em;color:var(--deep)}
h1 span{color:var(--green)}
.hero-text{max-width:600px;font-size:18px;color:#566660;margin:28px 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;padding:13px 20px;border-radius:3px;font-size:13px;font-weight:800;letter-spacing:.03em;transition:.2s ease}
.button-primary{background:var(--deep);color:white}
.button-primary:hover{background:#174d41;transform:translateY(-1px)}
.button-ghost{border:1px solid #aebcb5;color:var(--deep)}
.button-ghost:hover{border-color:var(--green);color:var(--green)}
.hero-note{display:flex;align-items:center;gap:10px;margin-top:28px;font-size:11px;color:#6a7772;letter-spacing:.06em;text-transform:uppercase}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(47,139,109,.12)}
.earth-graphic{height:530px;position:relative;margin-right:-60px}
.earth-surface{position:absolute;left:2%;right:0;bottom:110px;height:2px;background:#71867e;box-shadow:0 2px 0 rgba(47,139,109,.2)}
.earth-surface:after{content:"";position:absolute;left:0;right:0;top:10px;height:320px;background:linear-gradient(180deg,rgba(122,94,64,.08),transparent);clip-path:polygon(0 0,100% 0,100% 100%,0 80%)}
.sun-ring{position:absolute;border:1px solid rgba(47,139,109,.22);border-radius:50%;left:42%;top:90px;transform:translateX(-50%)}
.ring-1{width:290px;height:290px}
.ring-2{width:430px;height:430px;top:20px}
.ring-3{width:570px;height:570px;top:-50px}
.borehole{position:absolute;bottom:0;width:9px;height:370px;background:#8b7258;box-shadow:0 0 0 1px rgba(70,54,37,.2)}
.borehole:before{content:"";position:absolute;left:-10px;right:-10px;top:-5px;height:10px;border-radius:50%;background:#75614e}
.borehole-a{left:36%;transform:rotate(3deg)}
.borehole-b{left:57%;transform:rotate(-3deg)}
.pipe{position:absolute;width:3px;background:#2e6f60;bottom:0;height:330px}
.pipe:after{content:"";position:absolute;width:3px;height:270px;background:#c78c59;top:55px;left:15px}
.pipe-a{left:34%}.pipe-b{left:55%}
.flow{position:absolute;width:45px;height:45px;border:1px solid rgba(47,139,109,.45);border-radius:50%;animation:float 4s ease-in-out infinite}
.flow:after{content:"";position:absolute;inset:9px;border-radius:50%;border-top:2px solid var(--green)}
.flow-a{left:26%;top:210px}.flow-b{left:65%;top:260px;animation-delay:1.2s}
.graphic-label{position:absolute;font-size:9px;letter-spacing:.2em;font-weight:800;color:#557068}
.label-ground{left:6%;bottom:82px}.label-loop{right:9%;bottom:155px}
@keyframes float{50%{transform:translateY(-12px) rotate(90deg)}}
.section{padding:110px 0}
.intro{background:var(--paper)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:100px}
h2{font-size:clamp(36px,4vw,55px);letter-spacing:-.035em;color:var(--deep)}
.intro-copy{font-size:17px;color:#5e6b67;padding-top:10px}
.intro-copy p{margin:0 0 20px}
.solutions{background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:60px;margin-bottom:50px}
.section-lead{max-width:390px;color:var(--muted);font-size:15px;margin:0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card{background:#fbfaf7;border:1px solid #d9dfd9;padding:34px;min-height:310px;position:relative;overflow:hidden}
.service-card:after{content:"";position:absolute;width:140px;height:140px;border:1px solid rgba(47,139,109,.12);border-radius:50%;right:-60px;bottom:-60px}
.card-number{font-size:11px;letter-spacing:.15em;color:#89958f}
.service-card h3{font-size:26px;margin:25px 0 13px}
.service-card p{font-size:14px;color:var(--muted);max-width:310px}
.icon{width:52px;height:52px;margin-top:18px;position:relative}
.icon-loop{border:2px solid var(--green);border-radius:50%}
.icon-loop:after{content:"";position:absolute;width:19px;height:19px;border:2px solid var(--copper);border-radius:50%;left:14px;top:14px}
.icon-drill{border-left:3px solid var(--green);border-right:3px solid var(--copper);transform:skew(-14deg);margin-left:7px}
.icon-drill:after{content:"";position:absolute;width:25px;height:7px;border-radius:50%;background:var(--green);bottom:-1px;left:6px}
.icon-building:before{content:"";position:absolute;bottom:0;left:4px;width:42px;height:40px;border:2px solid var(--green)}
.icon-building:after{content:"";position:absolute;bottom:18px;left:15px;width:18px;height:2px;background:var(--copper);box-shadow:0 9px 0 var(--copper)}
.projects{background:#fff}
.project-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:18px}
.project-card{border:1px solid #dce2dd;background:#f8f8f4}
.project-visual{height:260px;position:relative;overflow:hidden;background:var(--deep)}
.project-visual span{position:absolute;left:24px;bottom:20px;color:#e6f1ec;font-size:10px;font-weight:800;letter-spacing:.18em}
.visual-one{background:linear-gradient(145deg,#173e34,#284e40 55%,#6b624e)}
.visual-grid{position:absolute;inset:0;opacity:.3;background-image:linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);background-size:34px 34px}
.visual-borehole{position:absolute;left:54%;top:0;width:13px;height:100%;background:#a27b52;box-shadow:20px 0 0 #c7925f}
.visual-borehole:after{content:"";position:absolute;left:-80px;top:62%;width:175px;height:175px;border:1px solid rgba(175,221,195,.45);border-radius:50%}
.visual-two{background:linear-gradient(160deg,#dbe7df,#557d6f)}
.building-lines{position:absolute;width:210px;height:150px;left:50%;top:50%;transform:translate(-50%,-40%);border:2px solid rgba(255,255,255,.65);border-bottom:0}
.building-lines:before{content:"";position:absolute;left:50%;top:-70px;transform:translateX(-50%);border-left:105px solid transparent;border-right:105px solid transparent;border-bottom:70px solid rgba(255,255,255,.18)}
.visual-three{background:linear-gradient(145deg,#e6dfd2,#738477)}
.thermal-lines{position:absolute;inset:20%;border:2px solid rgba(255,255,255,.5);border-radius:50%;box-shadow:0 0 0 25px rgba(255,255,255,.08),0 0 0 50px rgba(255,255,255,.05)}
.project-info{padding:25px}
.project-type{font-size:10px;letter-spacing:.17em;color:#73817b;font-weight:800;margin:0 0 9px}
.project-info h3{font-size:25px}
.project-info p:not(.project-type){font-size:13px;color:var(--muted)}
.project-info a{font-size:12px;font-weight:800;color:var(--green)}
.process{background:#edf1eb}
.process-line{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:start;gap:20px}
.process-line article span{display:inline-flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;background:var(--deep);color:white;font-size:11px}
.process-line h3{font-size:23px;margin:18px 0 8px}
.process-line p{font-size:13px;color:var(--muted);margin:0}
.process-arrow{font-size:28px;color:#789188;padding-top:5px}
.contact{background:var(--deep);color:white}
.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.contact h2{color:white}
.contact p:not(.eyebrow){color:#bfd0c9;max-width:560px}
.contact-actions{display:flex;flex-direction:column;gap:14px}
.email-card{display:flex;align-items:center;gap:16px;border:1px solid rgba(207,232,220,.25);padding:20px 22px;background:rgba(255,255,255,.035)}
.email-card:hover{border-color:var(--green-light)}
.email-icon{font-size:20px;color:var(--green-light)}
.email-card span:nth-child(2){display:flex;flex-direction:column;flex:1}
.email-card small{font-size:9px;letter-spacing:.16em;color:#8eaaa0}
.email-card strong{font-size:14px;font-weight:600}
.button-light{background:#f3f0e8;color:var(--deep)}
.button-light:hover{background:white}
footer{background:#071b18;color:#91a59e;padding:35px 0}
.footer-inner{display:grid;grid-template-columns:1.2fr .8fr auto;align-items:center;gap:30px}
.footer-brand img{width:240px;max-width:100%;filter:brightness(0) invert(1);opacity:.9}
.footer-brand p{font-size:11px;margin:5px 0 0}
.footer-links{display:flex;gap:20px;justify-content:center;font-size:12px}
.footer-links a:hover{color:white}
.footer-copy{font-size:11px;text-align:right}
@media(max-width:900px){
  .nav{display:none;position:absolute;left:24px;right:24px;top:78px;background:var(--paper);border:1px solid var(--line);padding:15px;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 18px 45px rgba(0,0,0,.08)}
  .nav.open{display:flex}.nav a{padding:12px}.menu-toggle{display:block}
  .hero-inner{grid-template-columns:1fr;min-height:auto}.hero-copy{padding:72px 0 30px}.earth-graphic{height:380px;margin:0 -20px}.ring-3{width:450px;height:450px}.ring-2{width:340px;height:340px}.ring-1{width:230px;height:230px}
  .two-col,.contact-box{grid-template-columns:1fr;gap:35px}.cards,.project-grid{grid-template-columns:1fr 1fr}.project-main{grid-column:1/-1}
  .process-line{grid-template-columns:1fr 1fr;gap:40px}.process-arrow{display:none}
  .footer-inner{grid-template-columns:1fr}.footer-links{justify-content:flex-start}.footer-copy{text-align:left}
}
@media(max-width:600px){
  .container{width:min(100% - 32px,1180px)}.topbar-inner{flex-direction:column;gap:2px}.topbar{font-size:10px}
  .nav-wrap{height:75px}.brand img{max-width:72vw}
  h1{font-size:48px}.hero-text{font-size:16px}.section{padding:78px 0}
  .section-heading{display:block}.section-lead{margin-top:20px}.cards,.project-grid{grid-template-columns:1fr}.project-main{grid-column:auto}
  .process-line{grid-template-columns:1fr}
  .earth-graphic{height:330px}.borehole-a{left:34%}.borehole-b{left:59%}
  .contact-box{gap:28px}.footer-brand img{width:220px}
}
