:root{
  --container:1100px;
  --accent:#0073e6;
  --muted:#6b7280;
  --bg:#f7f7f7;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:Inter,Helvetica,Arial,sans-serif;background:var(--bg);color:#111;line-height:1.5}

/* container */
.container{max-width:var(--container);margin:0 auto;padding:0 16px}

/* header */
.site-header{background:#081024;color:#fff;padding:18px 0;box-shadow:0 6px 18px rgba(2,6,23,0.12)}
.header-inner{display:flex;align-items:center;gap:18px}
.logo{width:96px;height:auto;opacity:0;transform:translateY(-6px) scale(.98);animation:logoIn .9s ease-out forwards}
@keyframes logoIn{to{opacity:1;transform:none}}
.brand{flex:1}
.site-title{margin:0;font-size:1.2rem}
.site-tagline{margin:0;color:var(--muted);font-size:.95rem}

/* nav */
.nav-toggle{display:none;background:none;border:0;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;margin:5px 0;border-radius:2px}
.site-nav{background:#062033;padding:8px 0}
.site-nav .ccm-block{display:flex;gap:14px}
.site-nav a{color:#fff;text-decoration:none;padding:8px 10px;border-radius:6px;font-weight:600}
.site-nav a:hover{background:rgba(255,255,255,0.06)}

/* hero */
.hero{background:linear-gradient(135deg,#1466d6,var(--accent));color:#fff;padding:72px 16px;border-radius:12px;margin:20px auto;box-shadow:0 10px 30px rgba(8,18,36,0.08)}
.hero-inner{max-width:900px;margin:0 auto;text-align:center}
.hero h2{font-size:2rem;margin:0 0 10px}
.hero p{margin:0 0 18px;color:rgba(255,255,255,0.9)}
.btn{display:inline-block;padding:10px 18px;border-radius:10px;text-decoration:none;border:0;cursor:pointer}
.btn.primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(2,9,32,0.08)}

/* cards */
.section h3{margin:0 0 12px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.card{background:#fff;padding:18px;border-radius:12px;box-shadow:0 6px 20px rgba(12,30,60,0.06);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(12,30,60,0.08)}
.card h4{margin:0 0 8px}

/* contact */
.contact-wrapper{max-width:720px;margin:0 auto;padding:6px 0}
.contact-form label{display:block;margin-top:12px;font-weight:600;color:#123}
.contact-form input,.contact-form textarea{width:100%;padding:12px;border-radius:10px;border:1px solid #e6e9ee;margin-top:6px;resize:vertical}
.contact-form textarea{min-height:140px}
.alert{padding:12px;border-radius:8px;margin-bottom:12px}
.alert.success{background:#e6ffef;color:#064a2a}
.alert.error{background:#fff1f0;color:#7a1b1b}

/* footer */
.site-footer{background:#081024;color:#9fb0c8;padding:18px 0;margin-top:30px;text-align:center}

/* responsive */
@media (max-width:900px){
  .header-inner{flex-direction:column;text-align:center}
  .nav-toggle{display:block}
  .site-nav{display:none}
  body.nav-open .site-nav{display:block}
}