*{box-sizing:border-box;margin:0;padding:0}
html,body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;color:#102236;background:#fff}
header{background:#fff;border-bottom:1px solid rgba(16,34,54,0.06)}
.nav-container{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:10px 20px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#102236}
.logo img{width:38px;height:38px;border-radius:6px}
.logo h1{font-size:18px;margin:0;font-weight:700}
nav ul{list-style:none;display:flex;gap:12px;align-items:center}
nav a{color:#102236;text-decoration:none;padding:8px 12px;border-radius:8px;font-weight:600}
nav a:hover{background:rgba(43,182,115,0.08)}

.hamburger{display:none;flex-direction:column;gap:4px;cursor:pointer}
.hamburger span{width:22px;height:2px;background:#102236;display:block;border-radius:2px}

@media (max-width:800px){
  nav ul{position:absolute;left:0;top:60px;width:100%;background:#fff;flex-direction:column;align-items:center;max-height:0;overflow:hidden;transition:max-height .35s ease;border-bottom:1px solid rgba(16,34,54,0.06)}
  nav ul.open{max-height:320px;padding:10px 0}
  .hamburger{display:flex}
}

main{max-width:1100px;margin:28px auto;padding:0 20px}
.hero{display:flex;gap:24px;align-items:center;padding:36px;border-radius:10px;background:#f8fbff;overflow:hidden}
.hero .hero-left{flex:1}
.hero h1{font-size:28px;color:#082133;margin-bottom:8px}
.hero p{color:#475569;margin-bottom:14px}
.btn{background:#2e7d32;color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none;font-weight:700}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:18px}
.card{background:#fff;border:1px solid rgba(16,34,54,0.04);border-radius:10px;overflow:hidden;box-shadow:0 6px 18px rgba(8,33,51,0.03)}
.card img{width:100%;height:180px;object-fit:cover}
.card .card-content{padding:12px}
.card h3{color:#c62828;margin-bottom:8px}

section{margin-bottom:36px}

.footer{background:#f1f6f4;padding:20px 0;margin-top:40px;border-top:1px solid rgba(16,34,54,0.03);}
.footer .wrap{max-width:1100px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.footer small{color:#6b7280}

/* WhatsApp widget */
.whatsapp-float{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;z-index:1200;box-shadow:0 8px 24px rgba(16,34,54,0.12);cursor:pointer}
.whatsapp-chatbox{position:fixed;right:20px;bottom:88px;width:300px;background:#fff;border-radius:10px;border:1px solid rgba(16,34,54,0.08);box-shadow:0 12px 30px rgba(16,34,54,0.12);display:none;flex-direction:column;z-index:1201}
.whatsapp-chatbox.active{display:flex}
.chat-header{background:#2e7d32;color:#fff;padding:10px 12px;border-top-left-radius:10px;border-top-right-radius:10px;display:flex;justify-content:space-between;align-items:center;font-weight:700}
.chat-body{padding:12px;color:#0b2540}
.chat-footer{padding:12px;text-align:center}
.chat-footer a{display:inline-block;background:#25D366;color:#fff;padding:8px 12px;border-radius:8px;text-decoration:none;font-weight:700}
.close-btn{cursor:pointer;font-size:18px;color:#fff}

/* small helpers */
.lead{color:#475569}
.muted{color:#64748b;font-size:14px}