:root{--ink:#172421;--green:#0f624d;--green-dark:#093f34;--mint:#e8f3ef;--blue:#eaf2f8;--line:#dce4e0;--muted:#64716d;--white:#fff;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"Noto Sans KR",sans-serif;line-height:1.65;word-break:keep-all}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}
.site-header{height:76px;display:flex;align-items:center;gap:36px;padding:0 max(24px,calc((100% - var(--max))/2));border-bottom:1px solid rgba(15,98,77,.12);background:rgba(255,255,255,.94);backdrop-filter:blur(12px);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:800;letter-spacing:.05em;margin-right:auto}.brand-mark{width:34px;height:34px;border-radius:50%;background:var(--green);color:white;display:grid;place-items:center;font-size:11px;letter-spacing:-.03em}.site-header nav{display:flex;gap:30px}.site-header nav a{font-size:14px;font-weight:600;color:#35423f}.site-header nav a:hover{color:var(--green)}.header-call{background:var(--green);color:#fff;padding:11px 20px;border-radius:5px;font-size:14px;font-weight:700}
.hero{max-width:var(--max);min-height:690px;margin:auto;padding:105px 0 85px;display:grid;grid-template-columns:1.1fr .9fr;gap:86px;align-items:center}.eyebrow{margin:0 0 18px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.16em}.hero h1{font-size:64px;line-height:1.18;letter-spacing:-.055em;margin:0 0 28px}.hero h1 span{color:var(--green)}.hero-text{max-width:600px;margin:0;color:#52605c;font-size:18px;line-height:1.85}.hero-actions{display:flex;gap:10px;margin-top:38px}.button{min-width:164px;text-align:center;padding:14px 24px;border-radius:5px;font-weight:700;font-size:15px}.primary{background:var(--green);color:#fff}.secondary{border:1px solid #bac7c2;background:#fff}.consult-note{font-size:13px;color:#7b8783;margin:14px 0 0}.hero-panel{height:480px;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr auto;gap:12px}.hero-card{border-radius:8px;padding:32px;display:flex;flex-direction:column;justify-content:flex-end}.hero-card span{font-size:11px;font-weight:800;letter-spacing:.14em;margin-bottom:auto}.hero-card strong{font-size:25px;line-height:1.4;margin:18px 0 7px}.hero-card small{font-size:13px;color:#53615d}.hero-card.energy{background:var(--blue);grid-row:1/3}.hero-card.waste{background:var(--mint);grid-row:1/3}.hero-tag{grid-column:1/3;background:var(--ink);color:#fff;padding:18px 22px;border-radius:6px;display:flex;justify-content:space-between;font-size:12px;letter-spacing:.08em}
.section{max-width:var(--max);margin:auto;padding:120px 0}.section-head{margin-bottom:56px}.section-head h2,.cta h2,.case-copy h2,.value-inner h2{font-size:42px;line-height:1.32;letter-spacing:-.045em;margin:0}.split-head{display:flex;justify-content:space-between;align-items:flex-end}.split-head>p{max-width:480px;color:var(--muted);font-size:16px;margin:0}.intro{border-top:1px solid var(--line)}.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px}.lead{font-size:25px;line-height:1.65;margin:0;letter-spacing:-.025em}.principles{border-top:1px solid var(--line)}.principles div{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:19px 0;border-bottom:1px solid var(--line)}.principles span{font-size:11px;color:var(--green);font-weight:800;letter-spacing:.11em}.principles b{font-size:16px}
.solutions{padding-top:30px}.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.solution-card{min-height:440px;padding:38px;border-radius:9px;display:flex;flex-direction:column}.solution-card.blue{background:var(--blue)}.solution-card.green{background:var(--mint)}.solution-no{font-size:11px;letter-spacing:.14em;font-weight:800;color:var(--green)}.solution-card h3{font-size:30px;margin:26px 0 14px;letter-spacing:-.04em}.solution-card>p{color:#53615d;margin:0;max-width:440px}.solution-card ol{list-style:none;padding:0;margin:34px 0 0;counter-reset:steps}.solution-card li{counter-increment:steps;padding:10px 0;border-bottom:1px solid rgba(20,50,43,.1);font-size:14px}.solution-card li:before{content:"0" counter(steps);font-size:10px;font-weight:800;color:var(--green);margin-right:16px}.card-foot{margin-top:auto;padding-top:20px;font-size:13px;font-weight:700;color:var(--green)}.flow{display:flex;align-items:center;justify-content:space-between;margin:34px 0}.flow span{background:#fff;padding:11px 13px;border-radius:4px;font-size:13px;font-weight:700}.flow i{font-style:normal;color:#7b8d87}.service-row{margin-top:auto;display:flex;gap:8px;flex-wrap:wrap}.service-row b{background:var(--green);color:#fff;border-radius:4px;padding:8px 10px;font-size:11px}.product-visual{margin-top:18px;border:1px solid var(--line);border-radius:9px;padding:46px;display:grid;grid-template-columns:1fr .8fr;align-items:center;gap:64px}.product-visual img{width:100%;max-height:330px;object-fit:contain}.product-visual h3{font-size:31px;line-height:1.4;margin:0 0 14px}.product-visual p:last-child{color:var(--muted)}
.value-section{background:var(--green-dark);color:#fff}.value-inner{padding:105px 0}.light{color:#9ed0c0}.value-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:60px;border-top:1px solid rgba(255,255,255,.2);border-left:1px solid rgba(255,255,255,.2)}.value-grid div{min-height:210px;padding:28px;border-right:1px solid rgba(255,255,255,.2);border-bottom:1px solid rgba(255,255,255,.2);display:flex;flex-direction:column}.value-grid span{font-size:11px;color:#9ed0c0;font-weight:700}.value-grid b{font-size:25px;margin:auto 0 5px}.value-grid p{font-size:14px;color:#c1d0cb;margin:0}
.process-grid{display:grid;grid-template-columns:repeat(5,1fr);position:relative}.process-grid:before{content:"";position:absolute;top:22px;left:9%;right:9%;height:1px;background:#cbd8d3}.process-grid div{text-align:center;position:relative}.process-grid span{width:44px;height:44px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;margin:0 auto 20px;font-size:11px;font-weight:700}.process-grid b{display:block;font-size:18px}.process-grid p{font-size:13px;color:var(--muted);line-height:1.7}
.case-strip{max-width:var(--max);margin:0 auto 120px;background:#edf4f1;display:grid;grid-template-columns:.82fr 1.18fr;border-radius:10px;overflow:hidden}.case-image{min-height:440px;background:#d8e3de}.case-image img{width:100%;height:100%;object-fit:cover}.case-copy{padding:70px}.case-copy p:not(.eyebrow){color:var(--muted);max-width:480px}.case-copy a{display:inline-block;margin-top:22px;font-weight:800;color:var(--green);border-bottom:1px solid var(--green);padding-bottom:4px}
.references{padding-top:20px}.client-list{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.client-list span{min-height:110px;display:grid;place-items:center;text-align:center;padding:16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);font-weight:700;color:#3f4d49}.reference-note{color:#7a8783;font-size:12px;margin-top:18px}
.cta{max-width:var(--max);margin:30px auto 100px;background:var(--green);color:#fff;padding:75px;display:flex;align-items:flex-end;justify-content:space-between;border-radius:10px}.cta>div>p:last-child{color:#c8dcd5}.cta-call{min-width:340px;background:#fff;color:var(--ink);padding:24px 28px;border-radius:7px;display:grid;gap:4px}.cta-call small{font-size:12px;color:var(--green);font-weight:700}.cta-call strong{font-size:27px}.cta-call span{font-size:13px;color:var(--green);font-weight:700;margin-top:5px}
footer{max-width:var(--max);margin:auto;padding:48px 0 85px;border-top:1px solid var(--line)}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:24px}.company-info{display:flex;gap:10px 22px;flex-wrap:wrap;color:#697570;font-size:13px}.company-info a{color:var(--green)}footer>p{font-size:11px;color:#9aa39f;margin-top:28px}.floating-call{display:none}
@media(max-width:900px){.site-header{height:66px;padding:0 20px}.site-header nav{display:none}.header-call{padding:9px 14px}.hero,.section,.value-inner,footer{width:auto;margin-left:22px;margin-right:22px}.hero{min-height:auto;padding:72px 0;grid-template-columns:1fr;gap:50px}.hero h1{font-size:43px}.hero-text{font-size:16px}.hero-panel{height:350px}.hero-card{padding:22px}.hero-card strong{font-size:20px}.section{padding:85px 0}.section-head h2,.cta h2,.case-copy h2,.value-inner h2{font-size:32px}.split-head{display:block}.split-head>p{margin-top:20px}.intro-grid,.solution-grid,.product-visual{grid-template-columns:1fr;gap:28px}.intro-grid{gap:45px}.lead{font-size:21px}.solution-card{min-height:400px;padding:28px}.product-visual{padding:28px}.product-visual img{max-height:240px}.value-grid{grid-template-columns:1fr 1fr}.process-grid{grid-template-columns:1fr;gap:26px}.process-grid:before{top:20px;bottom:20px;left:22px;right:auto;width:1px;height:auto}.process-grid div{text-align:left;display:grid;grid-template-columns:44px 1fr;column-gap:18px}.process-grid span{grid-row:1/3;margin:0}.process-grid p{margin:3px 0}.case-strip{margin:0 22px 85px;grid-template-columns:1fr}.case-image{min-height:280px}.case-copy{padding:38px 28px}.client-list{grid-template-columns:1fr 1fr}.client-list span{min-height:90px;font-size:14px}.cta{margin:0 22px 80px;padding:42px 28px;display:block}.cta-call{min-width:0;margin-top:35px}.company-info{display:grid}.floating-call{display:flex;position:fixed;right:18px;bottom:18px;z-index:30;background:var(--green);color:#fff;padding:13px 18px;border-radius:999px;align-items:center;gap:8px;box-shadow:0 8px 28px rgba(7,60,48,.3);font-size:14px}.floating-call span{font-size:16px}}
@media(max-width:460px){.brand{font-size:12px}.brand-mark{width:31px;height:31px}.hero h1{font-size:37px}.hero-actions{display:grid}.hero-panel{height:auto;grid-template-columns:1fr}.hero-card.energy,.hero-card.waste{grid-row:auto;min-height:220px}.hero-tag{grid-column:auto;display:grid;gap:5px}.flow{display:grid;grid-template-columns:1fr auto 1fr;gap:8px}.flow span{text-align:center}.flow i:nth-of-type(2){display:none}.flow span:nth-of-type(3),.flow span:nth-of-type(4){margin-top:2px}.value-grid{grid-template-columns:1fr 1fr}.value-grid div{min-height:175px;padding:20px}.client-list{grid-template-columns:1fr 1fr}}