body{font-family:Arial,sans-serif;margin:0;color:#14213d;background:#f8fafc}
a{text-decoration:none;color:inherit}
.container{max-width:1120px;margin:auto;padding:0 20px}
.header{background:#fff;border-bottom:1px solid #e5e7eb}
.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 0}
.logo{font-weight:800;font-size:24px;color:#0f766e}
.menu a{margin-left:22px;color:#334155}
.hero{padding:80px 0;background:linear-gradient(135deg,#ecfeff,#f8fafc)}
.hero h1{font-size:48px;max-width:760px;line-height:1.1;margin:0 0 18px}
.hero p{font-size:19px;max-width:680px;color:#475569}
.btn{display:inline-block;background:#0f766e;color:#fff;padding:14px 22px;border-radius:10px;font-weight:700;margin-top:18px}
.section{padding:56px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:24px;box-shadow:0 8px 25px rgba(15,23,42,.05)}
.price{font-size:24px;font-weight:800;color:#0f766e}
.footer{background:#0f172a;color:#cbd5e1;padding:34px 0;margin-top:40px}
.footer a{color:#e2e8f0}