:root{
  --bg:#f6f8fb;
  --card:#ffffff;
  --text:#172033;
  --muted:#657086;
  --line:#e6eaf0;
  --primary:#0f4c81;
  --accent:#1f7a8c;
  --dark:#0b1726;
}
*{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;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1120px,92%);margin:auto}
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:24px}
.logo{font-size:1.35rem;font-weight:800;letter-spacing:.4px;color:var(--dark)}
.logo span{color:var(--primary)}
nav{display:flex;gap:22px;flex-wrap:wrap}
nav a{font-size:.95rem;color:#42506a}
nav a:hover{color:var(--primary)}
.hero{
  padding:86px 0 70px;
  background:linear-gradient(135deg,#0b1726 0%,#123b5f 55%,#1f7a8c 100%);
  color:white;
}
.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:42px;align-items:center}
.kicker{font-size:.82rem;text-transform:uppercase;letter-spacing:2px;font-weight:700;opacity:.78}
h1{font-size:clamp(2.4rem,5vw,4.8rem);line-height:1.05;margin:.4em 0 .35em}
.hero p{font-size:1.1rem;color:#dfeaf4;max-width:720px}
.hero-card{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  border-radius:22px;padding:28px;box-shadow:0 20px 45px rgba(0,0,0,.18)
}
.hero-card strong{display:block;font-size:1.2rem;margin-bottom:10px}
.section{padding:68px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
.section h2{font-size:2rem;margin:0}
.section-head p{margin:0;color:var(--muted)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:24px;box-shadow:0 8px 24px rgba(17,31,51,.05)
}
.card .tag{font-size:.75rem;color:var(--primary);font-weight:700;text-transform:uppercase;letter-spacing:1px}
.card h3{margin:.45em 0 .4em;font-size:1.2rem;line-height:1.35}
.card p{color:var(--muted);margin:0}
.band{background:#eef4f8;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.page-hero{padding:64px 0 36px;background:#fff;border-bottom:1px solid var(--line)}
.page-hero h1{color:var(--dark);font-size:clamp(2.2rem,4vw,3.5rem);margin:0 0 12px}
.page-hero p{max-width:760px;color:var(--muted)}
.prose{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;
  max-width:880px;margin:0 auto;
}
.prose h2{font-size:1.5rem;margin-top:1.7em}
.prose h3{font-size:1.15rem;margin-top:1.5em}
.prose p,.prose li{color:#465268}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}
.info-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}
form{display:grid;gap:15px}
label{font-weight:600;font-size:.92rem}
input,textarea{
  width:100%;padding:13px 14px;border:1px solid #ccd5df;border-radius:10px;
  font:inherit;background:#fff
}
textarea{min-height:150px;resize:vertical}
button{
  border:0;background:var(--primary);color:#fff;padding:13px 18px;border-radius:10px;
  font-weight:700;cursor:pointer
}
.sitemap-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.sitemap-list a{background:#fff;border:1px solid var(--line);padding:16px 18px;border-radius:12px}
.site-footer{background:var(--dark);color:#d7e0e8;padding:42px 0 24px;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:30px}
.footer-links{display:flex;gap:16px;flex-wrap:wrap;justify-content:flex-end}
.footer-links a{color:#d7e0e8;font-size:.92rem}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:28px;padding-top:20px;color:#90a0b3;font-size:.9rem}
@media(max-width:800px){
  .hero-grid,.grid-3,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .nav-wrap{align-items:flex-start;padding:16px 0;flex-direction:column}
  nav{gap:14px}
  .footer-links{justify-content:flex-start}
  .sitemap-list{grid-template-columns:1fr}
}