:root {
  --navy:#0b2b4c;
  --blue:#0879c9;
  --steel:#5d6873;
  --light:#f4f7fa;
  --dark:#14202b;
  --white:#fff;
  --border:#dce4eb;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--dark);line-height:1.6;background:#fff}
a{color:inherit;text-decoration:none}
.container{width:min(var(--max),92%);margin:auto}
.topbar{background:var(--navy);color:#fff;font-size:.88rem}
.topbar .container{display:flex;justify-content:flex-end;gap:24px;padding:7px 0}
header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:92px}
.logo{width:235px;height:auto;display:block}
nav{display:flex;gap:25px;align-items:center}
nav a{font-weight:700;font-size:.92rem;color:var(--navy)}
nav a:hover{color:var(--blue)}
.menu-btn{display:none;border:0;background:none;font-size:28px;color:var(--navy)}
.btn{display:inline-block;background:var(--blue);color:#fff;padding:13px 22px;border-radius:4px;font-weight:700}
.btn.secondary{background:transparent;border:2px solid #fff}
.hero{background:linear-gradient(115deg,#082744 0%,#0c4b7b 65%,#0879c9 100%);color:#fff;padding:92px 0}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:55px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5vw,4.3rem);line-height:1.05;margin:0 0 22px}
.hero p{font-size:1.18rem;max-width:700px;color:#eaf4fb}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-card{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);padding:28px;border-radius:8px}
.hero-card h3{margin-top:0}
.section{padding:78px 0}
.section.light{background:var(--light)}
.section-title{max-width:760px;margin:0 auto 42px;text-align:center}
.section-title h2{font-size:2.2rem;color:var(--navy);margin:0 0 10px}
.section-title p{color:#5d6873}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{border:1px solid var(--border);border-radius:8px;padding:28px;background:#fff;box-shadow:0 8px 24px rgba(11,43,76,.05)}
.card h3{color:var(--navy);margin-top:0}
.icon{font-size:30px;color:var(--blue);margin-bottom:10px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
.checks{padding:0;list-style:none}
.checks li{padding:8px 0 8px 28px;position:relative}
.checks li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:bold}
.band{background:var(--navy);color:#fff;padding:58px 0}
.band .split{align-items:center}
.band h2{font-size:2.1rem;margin:0 0 10px}
.band p{color:#dcebf5}
.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.project{padding:30px;border-left:5px solid var(--blue);background:#fff;border-radius:5px;box-shadow:0 5px 20px rgba(0,0,0,.06)}
.project small{color:var(--blue);font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.page-hero{background:var(--navy);color:#fff;padding:62px 0}
.page-hero h1{font-size:3rem;margin:0}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
form{display:grid;gap:15px}
input,textarea{width:100%;padding:13px;border:1px solid #cbd6df;border-radius:4px;font:inherit}
textarea{min-height:150px;resize:vertical}
footer{background:#101b24;color:#d8e1e7;padding:48px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:35px}
footer h3{color:#fff}
footer a:hover{color:#fff}
.copyright{border-top:1px solid #33414c;margin-top:30px;padding-top:18px;font-size:.88rem}
@media(max-width:850px){
  nav{display:none;position:absolute;left:0;right:0;top:92px;background:#fff;padding:20px;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--border)}
  nav.open{display:flex}
  .menu-btn{display:block}
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .project-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .logo{width:190px}
  .hero{padding:65px 0}
  .section{padding:58px 0}
  .cards{grid-template-columns:1fr}
  .topbar .container{justify-content:center}
  .hero h1{font-size:2.45rem}
}