:root{
  --bg:#f6f7fb;
  --accent:#0b5fff;
  --muted:#666;
  --card:#ffffff;
  --max-width:1100px;
  --radius:8px;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,'Helvetica Neue',Arial}
body{background:var(--bg);color:#111;line-height:1.5}
.container{max-width:var(--max-width);margin:0 auto;padding:20px}

/* Header */
.site-header{background:transparent;padding:12px 0;position:sticky;top:0;z-index:30}
.site-header .container{display:flex;align-items:center;justify-content:space-between}
.logo{font-weight:700;color:var(--accent);text-decoration:none;font-size:1.1rem}
.nav{display:flex;gap:18px}
.nav a{color:#111;text-decoration:none;padding:8px;border-radius:6px}
.nav a:hover{background:rgba(11,95,255,0.08)}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem}

/* Hero */
.hero{padding:60px 0;background:linear-gradient(90deg,#fff 0%,#f2f6ff 100%)}
.hero h1{margin:0 0 12px;font-size:2rem}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none}

/* Sections */
section{padding:40px 0}
.about p{max-width:760px;color:var(--muted)}

.services .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);padding:18px;border-radius:var(--radius);box-shadow:0 6px 18px rgba(10,10,20,0.05)}

.contact{display:grid;grid-template-columns:1fr 320px;gap:24px}
form{background:var(--card);padding:18px;border-radius:var(--radius);box-shadow:0 6px 18px rgba(10,10,20,0.05)}
label{display:block;font-size:0.9rem;color:var(--muted);margin-bottom:12px}
input,textarea{width:100%;padding:10px;border:1px solid #e6e9ef;border-radius:6px;margin-top:6px}

.company-info{background:transparent;padding:8px;color:var(--muted)}

.site-footer{padding:18px 0;background:#fff;border-top:1px solid #eef2ff}

/* Responsive */
@media (max-width:900px){
  .services .grid{grid-template-columns:repeat(2,1fr)}
  .contact{grid-template-columns:1fr}
}
@media (max-width:680px){
  .nav{display:none;position:absolute;right:20px;top:64px;background:var(--card);padding:10px;border-radius:8px;box-shadow:0 8px 24px rgba(10,10,20,0.08)}
  .nav-toggle{display:block}
  .services .grid{grid-template-columns:1fr}
  .hero h1{font-size:1.4rem}
}