*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1c2430;background:#fff}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}a{color:#0b6e4f}h1,h2,h3{line-height:1.2;color:#0f1b2d}
.nav{border-bottom:1px solid #e6e9ee;background:#fff;position:sticky;top:0;z-index:5}.nav .wrap{display:flex;justify-content:space-between;align-items:center;height:60px}
.logo{font-weight:800;font-size:20px;text-decoration:none;color:#0f1b2d}.logo span{color:#0b6e4f}nav a{margin-left:14px;text-decoration:none;color:#1c2430;font-size:15px}
@media(max-width:600px){nav a:not(.btn){display:none}}
.btn{display:inline-block;background:#0b6e4f;color:#fff!important;padding:14px 24px;border-radius:10px;text-decoration:none;font-weight:700;border:0;cursor:pointer}.btn.sm{padding:8px 14px}.btn.alt{background:#fff;color:#0b6e4f!important;border:2px solid #0b6e4f}
.hero{background:linear-gradient(180deg,#eef7f3,#fff);padding:64px 0}.hero h1{font-size:clamp(30px,5vw,48px);margin:0 0 16px}.hero p.lead{font-size:19px;max-width:640px}
section{padding:48px 0}.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.card{border:1px solid #e6e9ee;border-radius:14px;padding:22px;background:#fff}.card.feat{border:2px solid #0b6e4f;box-shadow:0 8px 30px rgba(11,110,79,.12)}
.price{font-size:40px;font-weight:800}.card ul{padding-left:20px}.muted{background:#f6f8fa}.small{font-size:13px;color:#5a6577}
details{border-bottom:1px solid #e6e9ee;padding:14px 0}summary{font-weight:700;cursor:pointer}
footer{background:#0f1b2d;color:#c8d0dc;padding:32px 0;margin-top:40px}footer a{color:#fff}footer .small{color:#9aa6b8}
.calc label{display:block;font-weight:600;margin-top:12px}.calc input,.calc select{width:100%;padding:11px;border:1px solid #c9d1db;border-radius:8px;font-size:16px}
.total{font-size:34px;font-weight:800;color:#0b6e4f}.cols{display:grid;gap:24px;grid-template-columns:1fr}@media(min-width:800px){.cols{grid-template-columns:1.2fr 1fr}}
table{width:100%;border-collapse:collapse}td{padding:6px 0;border-bottom:1px solid #eef}td:last-child{text-align:right}article{max-width:720px}.cta{background:#eef7f3;border-radius:14px;padding:22px;margin:30px 0}
.btn.disabled{background:#c9d1db;color:#4a5566!important;cursor:not-allowed}