:root{--bg:#fff;--fg:#1c2530;--muted:#5b6b7b;--accent:#1f6feb;--line:#e6e9ee;--alt:#f6f8fb}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--fg);background:var(--bg);line-height:1.6}
.container{max-width:1000px;margin:0 auto;padding:0 20px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:700;font-size:20px;letter-spacing:.5px;color:var(--fg)}
.brand span{color:var(--accent)}
.nav a{margin-left:22px;color:var(--fg);font-size:15px}
.hero{background:linear-gradient(160deg,#0b1f33,#12314f);color:#fff;padding:90px 0}
.hero h1{font-size:40px;margin:0 0 14px;font-weight:700}
.hero .lead{font-size:18px;color:#c9d6e4;max-width:640px}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 22px;border-radius:8px;font-weight:600;margin-top:8px}
.btn:hover{text-decoration:none;background:#1a5fce}
.section{padding:64px 0}
.section.alt{background:var(--alt)}
.section h2{font-size:28px;margin:0 0 24px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted)}
.contact{font-size:18px}
.site-footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}
.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media(max-width:600px){.hero h1{font-size:30px}.nav a{margin-left:12px;font-size:14px}}