:root{--navy:#061b43;--navy2:#0b2b63;--blue:#075dcc;--gold:#eab21d;--ink:#13294b;--muted:#60708a;--line:#e2e7ee;--light:#f6f8fb}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff}a{text-decoration:none;color:inherit}
.top{background:var(--navy);color:#fff;padding:8px 5%;font-size:13px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
.header{height:86px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 5%;position:sticky;top:0;z-index:20}.logo{width:275px;height:78px;object-fit:contain;object-position:left center}.nav{margin-left:auto;display:flex;align-items:center;gap:24px;font-size:14px;font-weight:800}.nav a:hover{color:var(--blue)}.quote{background:var(--navy);color:#fff!important;padding:12px 17px;border-radius:4px}
.hero{min-height:525px;background:linear-gradient(90deg,rgba(3,18,45,.96),rgba(3,18,45,.73),rgba(3,18,45,.25)),url("assets/gates-1.jpg") center/cover;display:flex;align-items:center;color:#fff}.hero-inner{max-width:1200px;width:90%;margin:auto;padding:75px 0}.eyebrow{font-weight:900;color:var(--gold);letter-spacing:1px;font-size:13px}.hero h1{font-size:53px;line-height:1.04;margin:14px 0 12px;max-width:760px}.hero p{max-width:650px;line-height:1.65;font-size:17px}.buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.btn{background:var(--blue);color:#fff;padding:13px 23px;border-radius:4px;font-weight:900}.btn.alt{background:transparent;border:1px solid #fff}
.section{padding:60px 5%}.alt{background:var(--light)}.heading{max-width:780px;margin:0 auto 32px;text-align:center}.heading h2{font-size:32px;margin:0 0 8px}.heading p{color:var(--muted);line-height:1.6;margin:0}
.service-grid{max-width:1220px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff;box-shadow:0 4px 16px rgba(10,30,65,.06)}.card img{width:100%;height:200px;object-fit:cover;display:block}.card-body{padding:18px}.card h3{margin:0 0 7px;font-size:18px}.card p{color:var(--muted);line-height:1.5;font-size:14px}.card a{color:var(--blue);font-weight:900;font-size:13px}
.pagehero{background:linear-gradient(90deg,rgba(4,20,48,.95),rgba(4,20,48,.7)),url("assets/gates-1.jpg") center/cover;color:#fff;padding:72px 5%}.pagehero-inner{max-width:1200px;margin:auto}.pagehero h1{font-size:44px;margin:0 0 10px}.pagehero p{max-width:720px;line-height:1.6;margin:0}
.detail{max-width:1200px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}.detail h2{font-size:30px;margin-top:0}.detail p{color:var(--muted);line-height:1.7}.list{list-style:none;padding:0}.list li{margin:10px 0}.list li:before{content:"✓";font-weight:900;color:var(--blue);margin-right:9px}.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.gallery.single{grid-template-columns:1fr}.gallery img{width:100%;height:290px;object-fit:cover;display:block;border-radius:6px;background:#eef2f6}
.projects{max-width:1200px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.project{border:1px solid var(--line);border-radius:6px;overflow:hidden;margin:0;background:#fff}.project img{width:100%;height:245px;object-fit:cover;display:block}.project figcaption{padding:13px;font-weight:800}
.contact{background:var(--navy);color:#fff}.contact-grid{max-width:1050px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.contact-box{border:1px solid rgba(255,255,255,.15);padding:24px;border-radius:6px}.contact-box p{color:#d7e2f2;line-height:1.7}.contact-box a{color:#fff}
.footer{background:#031633;color:#fff;padding:44px 5% 15px}.footer-grid{max-width:1220px;margin:auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-logo{width:215px;background:#fff;padding:5px;border-radius:4px}.footer p,.footer a{color:#d8e3f2;font-size:13px;line-height:1.7}.footer h3{font-size:13px}.copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:24px;padding-top:13px;text-align:center;color:#aebed3;font-size:11px}
.wa{position:fixed;right:20px;bottom:20px;background:#1fc76a;color:#fff;padding:14px 20px;border-radius:30px;font-weight:900;box-shadow:0 7px 22px rgba(0,0,0,.22);z-index:50}
@media(max-width:900px){.service-grid{grid-template-columns:repeat(2,1fr)}.projects{grid-template-columns:repeat(2,1fr)}.detail{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.contact-grid{grid-template-columns:1fr 1fr}.nav{gap:12px}.nav a:nth-child(-n+3){display:none}}
@media(max-width:600px){.top{font-size:11px}.header{height:72px}.logo{width:205px;height:65px}.nav{gap:0}.nav a{display:none!important}.nav .quote{display:block!important;font-size:11px}.hero{min-height:560px}.hero h1{font-size:39px}.service-grid,.projects,.contact-grid,.footer-grid{grid-template-columns:1fr}.section{padding:45px 5%}.pagehero h1{font-size:36px}.gallery{grid-template-columns:1fr}}

.footer-grid .footer-links{list-style:none;margin:0;padding:0}
.footer-grid .footer-links li{margin:0 0 9px;padding:0}
.footer-grid .footer-links li a{display:inline-block;color:#d8e3f2;font-size:13px;line-height:1.45}
.footer-grid .footer-links li a:hover{color:#fff;text-decoration:underline}
.footer-grid .footer-contact{list-style:none;margin:0;padding:0}
.footer-grid .footer-contact li{margin:0 0 10px;color:#d8e3f2;font-size:13px;line-height:1.5}

.project-card{background:#fff;border:1px solid #e5e7eb;border-radius:14px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.06)}
.project-card img{display:block;width:100%;height:230px;object-fit:cover}
.project-card h3{margin:16px 18px 6px}
.project-card p{margin:0 18px 18px;color:#5b6470}