*{box-sizing:border-box}
body{margin:0;font-family:Arial,sans-serif;background:#f8fafc;color:#0f172a;line-height:1.7}
.banner{background:#0f172a;color:white;text-align:center;padding:12px 16px;font-weight:700}
nav{background:white;border-bottom:1px solid #e2e8f0;padding:16px 8%;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100}
.logo{font-weight:900;font-size:1.25rem;color:#0f172a;text-decoration:none}
.nav-links a{margin-left:20px;text-decoration:none;color:#334155;font-weight:700}
.menu-btn{display:none;background:none;border:none;font-size:1.8rem;cursor:pointer}
.hero{padding:95px 8%;text-align:center;background:radial-gradient(circle at top left,#dcfce7,transparent 30%),radial-gradient(circle at bottom right,#dbeafe,transparent 35%),#f8fafc}
.hero h1{font-size:clamp(2.7rem,7vw,5.6rem);line-height:1.04;margin:0 0 24px;letter-spacing:-2px}
.hero p{max-width:820px;margin:0 auto 32px;font-size:1.2rem;color:#475569}
section,.container{max-width:1120px;margin:auto;padding:70px 8%}
h1{font-size:3rem;line-height:1.1}
h2{font-size:2.25rem;margin-bottom:16px}
.btn{display:inline-block;padding:14px 24px;border-radius:999px;background:#0f172a;color:white;text-decoration:none;font-weight:800;margin-top:10px}
.btn.green{background:#2f6f4e}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px;margin-top:28px}
.card{background:white;padding:28px;border-radius:24px;border:1px solid #e2e8f0;box-shadow:0 12px 30px rgba(15,23,42,.07);margin-bottom:22px}
.card h3{margin-top:0}
footer{background:#0f172a;color:white;text-align:center;padding:45px 8%;margin-top:60px}
@media(max-width:768px){
nav{padding:15px 6%}
.menu-btn{display:block}
.nav-links{display:none;position:absolute;top:60px;left:0;width:100%;background:white;border-bottom:1px solid #e2e8f0;padding:18px 0;text-align:center}
.nav-links.active{display:block}
.nav-links a{display:block;margin:14px 0}
.hero{padding:70px 6%}
.hero h1{font-size:2.6rem}
.hero p{font-size:1.05rem}
section,.container{padding:50px 6%}
h1{font-size:2.4rem}
h2{font-size:1.9rem}
.btn{display:block;width:100%;max-width:320px;margin:12px auto;text-align:center}
}