*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f4f7fb;color:#111827;padding-bottom:76px}
a{text-decoration:none}
.header{background:#020617;color:#fff;text-align:center;padding:16px;position:sticky;top:0;z-index:20;border-bottom:3px solid #16a34a}
.logo{max-width:360px;width:94%;height:auto}
.nav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:12px}
.nav a{background:#064e3b;color:white;border-radius:999px;padding:9px 12px;font-weight:800;font-size:14px}
.hero{background:linear-gradient(135deg,#020617,#052e16,#064e3b);color:white;text-align:center;padding:52px 18px}
.hero h1{font-size:40px;margin:0 0 10px}
.hero p{max-width:850px;margin:auto;color:#d1fae5;font-size:18px;line-height:1.55}
.section{max-width:1120px;margin:auto;padding:28px 16px}
.section h2{text-align:center;color:#047857;margin:0 0 14px;font-size:30px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:16px}
.card,form{background:white;border-radius:18px;padding:21px;box-shadow:0 10px 25px rgba(0,0,0,.08);margin-bottom:16px}
.dark{background:#0f172a;color:white}
.dark h2,.dark h3{color:#22c55e}
.card h3{color:#047857;margin-top:0}
input,select,textarea{width:100%;padding:13px;margin:7px 0;border:1px solid #cbd5e1;border-radius:12px;font-size:15px;background:white}
textarea{min-height:95px}
button,.btn{display:block;width:100%;background:#16a34a;color:white;border:none;border-radius:12px;padding:14px;margin-top:10px;font-weight:900;text-align:center;font-size:16px}
.btn.secondary{background:#020617}
.btn.warning{background:#ca8a04}
.price{font-size:38px;color:#16a34a;font-weight:900}
.num{font-size:38px;color:#16a34a;font-weight:900}
.stat{text-align:center}
.whatsapp-box{background:#dcfce7;border:2px solid #22c55e;border-radius:16px;padding:16px;margin-top:14px}
.whatsapp-box h3{margin-top:0;color:#065f46}
.whatsapp-box p{color:#064e3b}
.notice{background:#ecfdf5;border-left:6px solid #16a34a;padding:16px;border-radius:14px;margin-bottom:16px;color:#064e3b}
.error-note{background:#fef2f2;border-left:6px solid #ef4444;padding:16px;border-radius:14px;margin-bottom:16px;color:#7f1d1d}
.bottom-nav{position:fixed;bottom:0;left:0;width:100%;background:#050708;border-top:2px solid #16a34a;display:grid;grid-template-columns:repeat(5,1fr);padding:8px 4px;z-index:50}
.bottom-nav a{text-align:center;font-size:11px;color:#e5e7eb;font-weight:800}
.bottom-nav b{display:block;font-size:22px;margin-bottom:2px}
footer{background:#07111f;color:#9ca3af;text-align:center;padding:25px;margin-top:20px}
@media(max-width:650px){.hero h1{font-size:32px}.section h2{font-size:25px}.nav a{font-size:12px;padding:8px 9px}}