:root{--primary:#0f3a66;--accent:#00a3a3;--bg:#ffffff;--text:#222;--muted:#555;--light:#f5f7fa}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;color:var(--text);background:var(--bg);font-family:'Open Sans',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
h1,h2,h3{font-family:'Montserrat',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;margin:0 0 12px}
h1{font-size:48px;line-height:1.1}
h2{font-size:32px}
h3{font-size:20px}
p{margin:0 0 12px;color:var(--muted)}
a{text-decoration:none;color:inherit}
.container{max-width:1100px;margin:0 auto;padding:0 24px}
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(6px);border-bottom:1px solid #e6e9ef}
.header-content{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center}
.logo img{height:65px;width:auto;display:block}
.nav{display:flex;gap:24px}
.nav a{padding:8px 0;color:var(--muted)}
.nav a:hover{color:var(--primary)}
.nav-toggle{display:none;border:0;background:transparent;font-size:24px}
.hero{padding-top:120px;padding-bottom:96px;background:
  linear-gradient(135deg, rgba(15,58,102,.85) 0%, rgba(8,48,80,.85) 40%, rgba(11,88,96,.85) 100%),
  url('image.jpg') center/cover no-repeat;
  color:#fff}
.hero p{color:#fff}
.hero .cta{display:inline-block;margin-top:16px;background:#fff;color:var(--primary);padding:12px 20px;border-radius:8px}
.hero .cta:hover{background:#f2f6ff}
.section{padding:72px 0}
.section.alt{background:var(--light)}
#contact{
  background:
    linear-gradient(135deg, rgba(15,58,102,.6) 0%, rgba(8,48,80,.6) 40%, rgba(11,88,96,.6) 100%),
    url('background.jpg') center/cover no-repeat;
}
#contact .text h2,#contact .text p{color:#fff}
.two-col{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:start}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid.cards{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid #e6e9ef;border-radius:12px;padding:20px;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.value{background:#fff;border:1px solid #e6e9ef;border-radius:12px;padding:20px}
.form{background:#fff;border:1px solid #e6e9ef;border-radius:12px;padding:20px}
.field{margin-bottom:12px}
label{display:block;font-weight:600;margin-bottom:6px}
input,textarea{width:100%;padding:10px 12px;border:1px solid #d8dfe8;border-radius:8px;font:inherit}
input:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,58,102,.15)}
.cta{display:inline-block;background:var(--accent);color:#fff;padding:10px 16px;border-radius:8px}
.cta:hover{background:#019191}
.site-footer{padding:24px 0;border-top:1px solid #e6e9ef;color:var(--muted)}
@media (max-width:900px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .grid.cards{grid-template-columns:repeat(2,1fr)}
  .two-col{grid-template-columns:1fr}
}
@media (max-width:640px){
  h1{font-size:36px}
  .nav{position:fixed;top:64px;right:0;left:0;background:#fff;border-bottom:1px solid #e6e9ef;flex-direction:column;padding:12px;gap:12px;display:none}
  .nav.open{display:flex}
  .nav-toggle{display:block;color:var(--primary)}
  .grid{grid-template-columns:1fr}
  .grid.cards{grid-template-columns:1fr}
}