:root{--green:#a8e000;--green-dark:#719900;--ink:#0a0d0a;--paper:#f5f6f1;--line:#d9ddd2;--muted:#60665c}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:30;min-height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;background:rgba(10,13,10,.94);color:#fff;backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.09)}.brand-logo{position:relative;display:block;width:172px;height:58px;overflow:hidden;flex:0 0 auto}.brand-logo span{position:absolute;inset:0;background-image:url('brand-hero.png');background-repeat:no-repeat;background-size:374px 210px;background-position:-104px -47px}.footer-logo{width:150px;height:51px}.footer-logo span{background-size:326px 183px;background-position:-91px -41px}nav{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:700}nav a:hover{color:var(--green)}.nav-call{border:1px solid var(--green);padding:11px 16px;color:var(--green)}
.hero{min-height:720px;display:grid;grid-template-columns:1.05fr .95fr;background:var(--ink);color:#fff;overflow:hidden}.hero-copy{padding:9vw 4vw 7vw 7vw;display:flex;flex-direction:column;justify-content:center;position:relative;z-index:2}.eyebrow{margin:0 0 20px;color:var(--green-dark);font-size:12px;line-height:1.4;font-weight:900;text-transform:uppercase;letter-spacing:.22em}.hero .eyebrow,.dark-section .eyebrow,.contact .eyebrow{color:var(--green)}h1{margin:0;font-size:clamp(54px,6.2vw,102px);line-height:.91;letter-spacing:-.065em;font-weight:900}h1 em{color:var(--green);font-style:normal}.hero-lead{max-width:670px;margin:32px 0 34px;color:#c9cec3;font-size:19px;line-height:1.65}.hero-actions,.contact-actions{display:flex;gap:12px;flex-wrap:wrap}.button{min-height:52px;display:inline-flex;align-items:center;justify-content:center;padding:0 22px;font-size:14px;font-weight:900;border:1px solid transparent;transition:.2s ease}.button:hover{transform:translateY(-2px)}.primary{color:var(--ink);background:var(--green)}.secondary{color:#fff;border-color:#545b51}.trust-row{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:38px;color:#9fa69a;font-size:12px;text-transform:uppercase;letter-spacing:.08em}.trust-row span:before{content:"✓";margin-right:8px;color:var(--green);font-weight:900}.hero-visual{position:relative;min-height:560px;overflow:hidden}.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink) 0%,transparent 35%),linear-gradient(0deg,var(--ink) 0%,transparent 30%)}.hero-visual img{width:100%;height:100%;object-fit:cover;object-position:center;opacity:.82;transform:scale(1.02)}
.section{padding:110px 7vw}.intro{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px 8vw}.section-heading h2,.area h2,.contact h2{margin:0;max-width:820px;font-size:clamp(38px,5vw,72px);line-height:1.02;letter-spacing:-.055em}.section-intro{margin:39px 0 0;max-width:660px;color:var(--muted);font-size:18px;line-height:1.7}.services-grid{grid-column:1/-1;display:grid;grid-template-columns:repeat(6,1fr);margin-top:42px;border-top:1px solid var(--line);border-left:1px solid var(--line)}.service-card{grid-column:span 2;min-height:310px;padding:30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fafbf7}.service-card:nth-child(4),.service-card:nth-child(5){grid-column:span 3}.service-number{color:var(--green-dark);font-size:12px;font-weight:900;letter-spacing:.15em}.service-card h3{margin:45px 0 20px;font-size:25px;letter-spacing:-.025em}.service-card ul{margin:0;padding:0;list-style:none;color:var(--muted);font-size:14px;line-height:1.65}.service-card li{padding:8px 0;border-top:1px solid #e7e9e2}
.dark-section{padding:110px 7vw;background:var(--ink);color:#fff}.light h2{max-width:980px}.credentials-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-top:65px;background:#30352e;border:1px solid #30352e}.credential{display:grid;grid-template-columns:90px 1fr;gap:18px;min-height:175px;padding:28px;background:#111510}.credential>span{width:70px;height:70px;display:grid;place-items:center;border:1px solid var(--green);color:var(--green);font-size:13px;font-weight:900}.credential h3{margin:4px 0 10px;font-size:20px}.credential p,.credential-note{margin:0;color:#aeb5aa;font-size:14px;line-height:1.65}.credential-note{margin-top:22px}
.certifications{background:#fff}.brand-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:60px;border:1px solid var(--line)}.brand-grid article{min-height:180px;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:24px;padding:30px;border-right:1px solid var(--line)}.brand-grid article:last-child{border:0}.manufacturer-logo{width:100%;height:62px;display:flex;align-items:center}.manufacturer-logo img{display:block;max-width:100%;max-height:58px;width:auto;height:auto;object-fit:contain;object-position:left center}.certificate-links{width:100%;display:grid;gap:8px}.certificate-links a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--line);color:var(--green-dark);font-size:12px;line-height:1.35;font-weight:900}.certificate-links a:hover{color:var(--ink)}.certificate-links span{font-size:16px}.certificate-entry p{margin:0 0 10px;color:var(--muted);font-size:11px;line-height:1.55}.gas-callout{margin-top:36px;padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;background:var(--green)}.gas-callout .eyebrow{color:#425600;margin-bottom:12px}.gas-callout h3{margin:0;font-size:30px}.gas-callout div>p{margin:0;max-width:650px;line-height:1.65}.gas-callout .promotion{margin-top:16px;padding-top:16px;border-top:1px solid rgba(10,13,10,.25)}
.projects{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px 8vw;background:#f5f6f1}.projects .section-intro{margin-top:39px}.projects-grid{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);margin-top:30px;border-top:1px solid var(--line);border-left:1px solid var(--line)}.projects-grid div{min-height:210px;display:flex;flex-direction:column;justify-content:space-between;padding:28px;background:linear-gradient(145deg,#e8eadf,#fafbf7);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.projects-grid span{color:var(--green-dark);font-size:12px;font-weight:900;letter-spacing:.15em}.projects-grid strong{font-size:22px}
.area{padding:90px 7vw;display:grid;grid-template-columns:1fr 1fr;align-items:end;gap:50px;background:#e8eadf}.area>p{max-width:620px;margin:0;color:var(--muted);font-size:18px;line-height:1.7}.contact{padding:110px 7vw;text-align:center;background:#101410;color:#fff}.contact .eyebrow{margin-bottom:20px}.contact h2{margin:auto}.contact>p:not(.eyebrow){max-width:700px;margin:28px auto 34px;color:#b9bfb5;font-size:17px;line-height:1.7}.contact-actions{justify-content:center}.light-button{color:#fff}footer{padding:30px 5vw 90px;display:grid;grid-template-columns:1fr auto auto;gap:30px;align-items:center;background:#080a08;color:#8d9488;font-size:12px}.mobile-call{display:none}
@media(max-width:900px){.topbar{min-height:66px}nav a:not(.nav-call){display:none}.nav-call{padding:9px 12px}.hero{grid-template-columns:1fr;min-height:auto}.hero-copy{padding:88px 7vw 45px}.hero-visual{min-height:390px;order:-1}.hero-visual:after{background:linear-gradient(0deg,var(--ink) 0%,transparent 65%)}.intro,.projects{grid-template-columns:1fr}.section-intro,.projects .section-intro{margin:0}.services-grid{grid-column:1;grid-template-columns:1fr 1fr}.service-card,.service-card:nth-child(4),.service-card:nth-child(5){grid-column:span 1}.credentials-grid,.area,.gas-callout{grid-template-columns:1fr}.projects-grid{grid-template-columns:1fr 1fr}.brand-grid{grid-template-columns:1fr 1fr}.brand-grid article:nth-child(2){border-right:0}.brand-grid article{border-bottom:1px solid var(--line)}footer{grid-template-columns:1fr;text-align:center;justify-items:center}}
@media(max-width:560px){.brand-logo{width:132px;height:45px}.brand-logo span{background-size:287px 161px;background-position:-80px -36px}nav{gap:8px}.nav-call{font-size:11px}.hero-visual{min-height:250px}.hero-copy{padding-top:55px}h1{font-size:54px}.hero-lead{font-size:17px}.hero-actions .button{width:100%}.section,.dark-section,.contact{padding:80px 6vw}.services-grid,.credentials-grid,.brand-grid,.projects-grid{grid-template-columns:1fr}.projects-grid div{min-height:150px}.service-card,.service-card:nth-child(4),.service-card:nth-child(5){grid-column:1;min-height:auto}.credential{grid-template-columns:70px 1fr;padding:22px 16px}.credential>span{width:58px;height:58px}.brand-grid article{min-height:120px;border-right:0}.gas-callout{padding:28px 22px}.area{padding:75px 6vw}.mobile-call{display:block;position:fixed;z-index:50;left:12px;right:12px;bottom:12px;padding:15px;text-align:center;background:var(--green);color:var(--ink);font-weight:900;box-shadow:0 8px 30px rgba(0,0,0,.35)}footer{padding-bottom:100px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}