:root{
  --cyan:#08b7c9;
  --cyan-dark:#0799aa;
  --ink:#09252b;
  --muted:#5f7378;
  --line:#dce9eb;
  --soft:#eefafb;
  --white:#fff;
  --max:1180px;
  --shadow:0 12px 32px rgba(9,37,43,.08);
  --radius:4px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.55}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{font-size:25px;font-weight:900;letter-spacing:-1.5px;color:var(--cyan)}
.logo small{display:block;font-size:7px;letter-spacing:.8px;color:var(--muted);font-weight:600;margin-top:-4px}
.nav-links{display:flex;align-items:center;gap:25px;font-size:12px;font-weight:700}
.nav-links a{color:#30494e}
.nav-links a:hover,.nav-links a.active{color:var(--cyan)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:4px;border:1px solid transparent;font-size:12px;font-weight:800;transition:.2s ease;cursor:pointer}
.btn-primary{background:var(--cyan);color:#fff}
.btn-primary:hover{background:var(--cyan-dark);transform:translateY(-1px)}
.btn-outline{border-color:var(--cyan);color:var(--cyan);background:#fff}
.btn-outline:hover{background:var(--soft)}
.menu-toggle{display:none;border:0;background:none;font-size:25px;color:var(--ink)}
.hero{padding:72px 0 64px}
.hero-grid{display:grid;grid-template-columns:1fr 1.15fr;min-height:490px;align-items:stretch}
.hero-copy{padding:42px 44px 42px 0;display:flex;flex-direction:column;justify-content:center}
.eyebrow{font-size:12px;color:var(--cyan-dark);font-weight:900;margin-bottom:12px}
h1{font-size:clamp(40px,5vw,70px);line-height:.98;letter-spacing:-3px;margin:0 0 22px}
h2{font-size:clamp(28px,3vw,42px);line-height:1.05;letter-spacing:-1.7px;margin:0 0 15px}
h3{font-size:18px;line-height:1.2;margin:0 0 8px}
.lead{font-size:16px;color:var(--muted);max-width:580px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
.visual{min-height:420px;border-radius:4px;overflow:hidden;background:#12383e}
.section{padding:82px 0}
.section-soft{background:var(--soft)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
.section-head p{max-width:520px;color:var(--muted);margin:0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.card{border:1px solid var(--line);background:#fff;padding:22px;border-radius:var(--radius);transition:.2s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.icon{width:36px;height:36px;display:grid;place-items:center;border:1px solid #b8e9ee;color:var(--cyan);margin-bottom:18px;font-weight:900}
.card p{font-size:13px;color:var(--muted);margin:0}
.link{display:inline-flex;color:var(--cyan-dark);font-size:12px;font-weight:800;margin-top:15px}
.band{background:var(--ink);color:#fff;border-radius:4px;overflow:hidden;min-height:260px;display:grid;grid-template-columns:1fr 1fr}
.band-copy{padding:44px;display:flex;flex-direction:column;justify-content:center}
.band-copy p{color:#bcd0d3}
.band .visual{border-radius:0}
.page-hero{padding:58px 0;background:var(--ink);color:#fff}
.page-hero .lead{color:#c8d9dc}
.breadcrumb{font-size:11px;color:#8cb2b8;margin-bottom:15px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat strong{display:block;font-size:30px;letter-spacing:-1px;color:var(--cyan)}
.stat span{font-size:12px;color:var(--muted)}
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.project{border:1px solid var(--line);background:#fff;overflow:hidden}
.project-image{aspect-ratio:4/3;background:#153b41;overflow:hidden}
.project-copy{padding:16px}
.project-copy span{font-size:10px;color:var(--cyan-dark);font-weight:900;text-transform:uppercase;letter-spacing:.8px}
.project-copy h3{margin-top:6px}
.filter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.filter button{border:1px solid var(--line);background:#fff;padding:9px 13px;font-size:11px;font-weight:800;cursor:pointer}
.filter button.active,.filter button:hover{background:var(--cyan);border-color:var(--cyan);color:#fff}
.article-list{display:grid;gap:14px}
.article{display:grid;grid-template-columns:250px 1fr;gap:22px;border:1px solid var(--line);padding:14px}
.article-image{min-height:150px;background:#12383e}
.article-meta{font-size:10px;color:var(--cyan-dark);font-weight:900;text-transform:uppercase}
.article p{color:var(--muted);font-size:13px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:7px}
.form-group.full{grid-column:1/-1}
label{font-size:11px;font-weight:800}
input,select,textarea{width:100%;border:1px solid #cfe0e3;border-radius:3px;padding:12px 13px;font:inherit;font-size:13px;outline:none;background:#fff}
input:focus,select:focus,textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(8,183,201,.1)}
textarea{min-height:150px;resize:vertical}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px}
.contact-list{display:grid;gap:14px;margin-top:25px}
.contact-item{display:flex;gap:13px;align-items:flex-start}
.contact-item .icon{flex:none;margin:0}
.contact-item strong{font-size:13px;display:block}
.contact-item span{font-size:12px;color:var(--muted)}
footer{background:#fff;border-top:1px solid var(--line);padding:45px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer-title{font-size:11px;font-weight:900;margin-bottom:13px}
footer a,footer p{font-size:11px;color:var(--muted);display:block;margin:6px 0}
.footer-bottom{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;font-size:10px;color:var(--muted);display:flex;justify-content:space-between}
.mobile-cta{display:none}
.notice{background:#fff9e8;border:1px solid #f0dfa9;padding:14px 16px;font-size:12px;color:#6d5b22;margin:20px 0}
@media(max-width:900px){
  .nav-links{display:none;position:absolute;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--line);padding:18px 20px;flex-direction:column;align-items:flex-start}
  .nav-links.open{display:flex}
  .menu-toggle{display:block}
  .nav>.btn{display:none}
  .hero-grid,.band,.contact-grid{grid-template-columns:1fr}
  .hero-copy{padding:20px 0 40px}
  .visual{min-height:330px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3,.portfolio-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .container{width:min(var(--max),calc(100% - 28px))}
  .nav{height:64px}
  .nav-links{top:64px}
  h1{letter-spacing:-2px}
  .hero{padding:38px 0}
  .section{padding:58px 0}
  .grid-3,.grid-4,.portfolio-grid,.form-grid{grid-template-columns:1fr}
  .form-group.full{grid-column:auto}
  .article{grid-template-columns:1fr}
  .article-image{min-height:200px}
  .band-copy{padding:30px}
  .stats{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{display:block}
  .mobile-cta{display:inline-flex}
}