:root{
  --primary:#0F172A;
  --secondary:#2563EB;
  --accent:#22C55E;
  --bg:#F8FAFC;
  --text:#111827;
  --muted:#94A3B8;
  --white:#ffffff;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{
  font-family:Arial, Helvetica, sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
}
a{color:var(--secondary);text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
header{
  position:sticky;top:0;z-index:1000;
  background:var(--white);border-bottom:1px solid #e5e7eb;
}
.navbar{display:flex;align-items:center;justify-content:space-between;padding:14px 0;}
.logo img{height:50px;}
.nav-links{display:flex;gap:20px;}
.nav-links a{color:var(--primary);font-weight:600;}
.cta-btn{
  background:var(--secondary);color:var(--white);
  padding:10px 18px;border-radius:6px;display:inline-block;
}
.cta-btn.alt{background:var(--accent);}
.hero{
  padding:70px 0;background:var(--white);
}
.hero h1{font-size:2.6rem;color:var(--primary);margin-bottom:16px;}
.hero p{max-width:800px;color:#334155;}
.section{padding:60px 0;}
.section h2{font-size:2rem;color:var(--primary);margin-bottom:16px;}
.section p{margin-bottom:12px;}
.grid{display:grid;gap:24px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.card{
  background:var(--white);padding:24px;border:1px solid #e5e7eb;border-radius:10px;
}
.badge{display:inline-block;background:var(--accent);color:var(--white);padding:4px 10px;border-radius:999px;font-size:0.8rem;margin-bottom:10px;}
.list{padding-left:18px;}
.list li{margin-bottom:8px;}
.notice{
  background:#eef2ff;border-left:4px solid var(--secondary);
  padding:18px;border-radius:6px;color:#1e3a8a;
}
.faq-item{margin-bottom:14px;}
footer{
  background:var(--primary);color:var(--white);padding:40px 0;
}
footer a{color:#e2e8f0;}
.footer-grid{display:grid;gap:24px;grid-template-columns:2fr 1fr 1fr;}
.footer-logo img{height:100px;}
.footer-bottom{border-top:1px solid #334155;margin-top:24px;padding-top:16px;color:#cbd5f5;}
.form-group{margin-bottom:14px;}
input, textarea, select{
  width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:6px;font-size:1rem;
}
button{
  background:var(--secondary);color:#fff;border:none;padding:12px 18px;border-radius:6px;cursor:pointer;
}
.banner{
  position:fixed;bottom:0;left:0;right:0;background:#0b1220;color:#fff;
  padding:16px;display:none;z-index:9999;
}
.banner .container{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.banner button{background:var(--accent);}

/* Burger */
#nav-toggle{display:none;}
.burger{
  display:none;cursor:pointer;background:var(--primary);color:#fff;padding:8px 10px;border-radius:6px;
}
.mobile-menu{
  position:fixed;top:0;left:0;right:0;bottom:0;background:var(--white);padding:20px;
  display:none;flex-direction:column;gap:18px;z-index:2000;
}
.mobile-menu a{font-size:1.2rem;color:var(--primary);font-weight:600;}
.close-menu{
  align-self:flex-end;background:var(--primary);color:#fff;padding:8px 12px;border-radius:6px;
}
#nav-toggle:checked ~ .mobile-menu{display:flex;}
@media (max-width:992px){
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .nav-links{display:none;}
  .burger{display:inline-block;}
}
@media (max-width:600px){
  .hero h1{font-size:2rem;}
}