:root{--navy:#112844;--blue:#203c88;--ink:#17283d;--muted:#5b6777;--light:#f2f5f8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);font-size:16px;line-height:1.6}a{color:inherit}button{font:inherit;cursor:pointer}header{height:100px;display:flex;align-items:center;justify-content:space-between;padding:12px 5%;background:#fff;position:sticky;top:0;z-index:10;border-bottom:1px solid #e5e9ef}.brand img{width:130px;height:78px;object-fit:contain}nav{display:flex;gap:34px}nav a{text-decoration:none;font-size:14px;font-weight:600}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:14px 24px;text-decoration:none;font-size:14px;font-weight:600;border-radius:2px}.navy{background:var(--navy);color:white}.white{background:white;color:var(--navy)}.menu{display:none}.hero{height:650px;min-height:580px;position:relative;color:#fff;overflow:hidden}.hero-photo{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center 53%}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,29,53,.89),rgba(9,29,53,.52) 48%,rgba(9,29,53,.07)),linear-gradient(0deg,rgba(9,29,53,.65),transparent 35%)}.hero-content{position:relative;padding:70px 7%;max-width:900px}.eyebrow{font-size:12px;font-weight:bold;letter-spacing:2px}.blue{color:var(--blue)}h1{font-size:clamp(42px,4.7vw,68px);line-height:1.06;letter-spacing:-2px;font-weight:500;margin:25px 0}h2{font-size:clamp(34px,3.5vw,49px);line-height:1.13;font-weight:500;letter-spacing:-1.5px;margin:20px 0 30px}h3{font-size:24px;line-height:1.2;font-weight:500}.hero p{font-size:18px;color:#e6ecf5}.hero-actions{display:flex;align-items:center;gap:30px;margin-top:30px}.text-link{font-size:14px;text-underline-offset:8px}.hero-bottom{position:absolute;bottom:25px;left:7%;right:7%;display:flex;justify-content:space-between;font-size:11px;letter-spacing:1.5px}.trust{display:grid;grid-template-columns:repeat(3,1fr);padding:30px 7%;border-bottom:1px solid #e5e9ef}.trust div{display:flex;flex-direction:column;padding-left:36px;border-left:1px solid #dce2e9}.trust div:first-child{padding-left:0;border:0}.trust strong{font-size:19px}.trust span{font-size:14px;color:var(--muted);margin-top:4px}.section{padding:90px 7%}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:60px;margin-bottom:40px}.section-heading h2{margin-bottom:0}.section-heading>p{max-width:390px;color:var(--muted)}.expertise-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.expertise{padding:40px;background:var(--light)}.expertise.dark{background:var(--navy);color:white}.number{font-size:14px;letter-spacing:2px;color:#7890ae}.expertise h3{font-size:30px;margin:18px 0}.expertise .intro{font-weight:bold}.expertise p{font-size:16px}.expertise ul{list-style:none;padding:0;margin:30px 0}.expertise li{padding:11px 0;border-top:1px solid #dce2e9;font-size:14px}.dark li{border-color:#ffffff26}.expertise>a{font-size:14px;text-underline-offset:5px}.projects{background:#f6f8fa}.filters{display:flex;gap:10px;margin-bottom:30px;flex-wrap:wrap}.filters button{border:1px solid #d4dce6;padding:10px 18px;background:transparent;font-size:14px;border-radius:2px}.filters button.active{background:var(--navy);color:white;border-color:var(--navy)}.project-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:26px}.project{background:#fff;border:0;text-align:left;padding:0;color:var(--ink);overflow:hidden}.project img{width:100%;height:310px;object-fit:cover;display:block;transition:transform .35s}.project:hover img{transform:scale(1.025)}.project span{display:flex;flex-direction:column;padding:24px}.project small{font-size:11px;letter-spacing:1.2px;color:var(--muted)}.project strong{font-size:22px;font-weight:500;margin:8px 0}.project em{font-size:13px;font-style:normal;color:var(--blue)}.project[hidden]{display:none}.energy{padding:85px 7%;background:var(--navy);color:white;display:grid;grid-template-columns:1.5fr 1fr;gap:100px}.energy>div>p{color:#d7e0ea;max-width:640px}.energy .button{margin-top:20px}.energy aside{align-self:center;border:1px solid #ffffff38;padding:38px;text-align:center;max-width:340px;width:100%;justify-self:end}.energy aside>span{font-size:11px;letter-spacing:2px}.energy aside strong{display:block;font-size:78px;line-height:1.1;margin-top:25px;font-weight:500}.energy aside b{letter-spacing:6px;font-size:18px}.energy-line{height:1px;background:#ffffff38;margin:25px 0}.energy aside p{font-size:26px;margin:10px}.energy aside small{font-size:14px;color:#d7e0ea}.company{display:grid;grid-template-columns:1fr 1fr;gap:100px}.company>div>p{max-width:480px;color:var(--muted)}.method{list-style:none;padding:0}.method li{display:flex;gap:25px;padding:24px 0;border-bottom:1px solid #dce2e9}.method li>span{font-size:14px;color:var(--blue);padding-top:4px}.method h3{margin:0 0 8px;font-size:21px}.method p{margin:0;color:var(--muted);font-size:14px}.contact{padding:80px 7%;text-align:center;background:#edf2f8}.contact h2{font-size:52px}.contact>p{color:var(--muted)}.contact-actions{display:flex;gap:28px;justify-content:center;align-items:center;margin:30px 0}.phone{font-size:23px;text-decoration:none}.contact-details{display:flex;justify-content:center;gap:25px;flex-wrap:wrap;font-size:14px;color:var(--muted);margin-top:40px}footer{background:var(--navy);color:#d6dfec;padding:35px 7%;display:flex;gap:25px;align-items:center;justify-content:space-between;font-size:12px}footer>a{font-size:19px;font-weight:bold;text-decoration:none;color:white}dialog{border:0;padding:18px;background:var(--navy);color:white;width:min(1000px,92vw);max-height:92vh}dialog::backdrop{background:#071321d9}dialog img{display:block;max-height:75vh;width:100%;object-fit:contain}dialog p{margin:12px 0 0}.close{position:absolute;right:20px;top:20px;background:white;border:0;width:40px;height:40px;font-size:30px;color:var(--navy)}a:focus-visible,button:focus-visible{outline:3px solid #4388e8;outline-offset:4px}@media(max-width:800px){header{height:80px;padding:8px 5%;gap:12px}.brand img{width:95px;height:62px}header>.button{margin-left:auto;font-size:12px;padding:10px 14px;min-height:42px}.menu{display:block;border:0;background:none;font-size:24px}nav{display:none;position:absolute;top:80px;left:0;right:0;background:white;padding:25px;flex-direction:column;gap:20px;border-bottom:1px solid #ddd}nav.open{display:flex}.hero{height:610px}.hero-content{padding:60px 6%}.hero-shade{background:linear-gradient(90deg,#09203de8,#09203d50),linear-gradient(0deg,#09203d9c,transparent)}h1{font-size:49px;letter-spacing:-1.5px}.hero p{font-size:16px}.hero-bottom{left:6%;right:6%}.hero-bottom span:last-child{display:none}.trust{padding:24px 6%;gap:14px}.trust div{padding-left:14px}.trust strong{font-size:15px}.trust span{font-size:12px}.section{padding:60px 6%}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:25px}.expertise-grid,.project-grid,.energy,.company{grid-template-columns:1fr}.expertise{padding:30px}.project img{height:270px}.energy{padding:60px 6%;gap:35px}.energy aside{justify-self:start;max-width:100%}.company{gap:25px}.contact{padding:60px 6%}.contact h2{font-size:40px}.contact-actions{flex-direction:column;gap:20px}.contact-details{gap:14px}footer{flex-direction:column;align-items:flex-start;gap:12px}footer p{margin:0}.hero-actions{gap:20px;align-items:flex-start;flex-direction:column}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.project img{transition:none}}