*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#31443d;background:#fbfcf9;line-height:1.6}
a{color:inherit;text-decoration:none}.wrap{max-width:1120px;margin:auto;padding:0 22px}
header{border-bottom:1px solid #e5ebe6;background:#fff}.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}.logo{width:36px;height:36px;border-radius:10px;background:#55a978;color:white;display:grid;place-items:center;font-size:18px}.links{display:flex;gap:28px;color:#66746e;font-size:14px}
.hero{padding:76px 0 54px}.eyebrow{text-transform:uppercase;letter-spacing:3px;font-size:12px;color:#5f8b76;font-weight:800}.hero h1{font-size:clamp(42px,7vw,70px);line-height:1.02;max-width:800px;margin:16px 0;color:#31413b;letter-spacing:-2px}.hero h1 span{color:#4aa471}.hero p{font-size:19px;color:#77817c;max-width:760px}.btn{display:inline-block;background:#55a978;color:white;padding:14px 20px;border-radius:10px;font-weight:800;margin-top:14px}.section{padding:30px 0 70px}.section h2{font-size:30px;margin:0 0 20px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid #e1e9e3;border-radius:20px;padding:24px;box-shadow:0 6px 24px rgba(44,69,57,.04)}.card h3{margin:0 0 8px;font-size:20px}.card p{color:#748079;margin:0 0 15px}.open{color:#4d9d70;font-weight:800}
.calc{max-width:780px;margin:55px auto}.calc h1{font-size:42px;line-height:1.1}.calc .intro{color:#748079}.form{display:grid;grid-template-columns:1fr 1fr;gap:16px;background:#fff;border:1px solid #e1e9e3;border-radius:20px;padding:25px}.field label{display:block;font-size:13px;font-weight:800;color:#5d6d65;margin-bottom:7px}.field input,.field select{width:100%;padding:13px;border:1px solid #ccd8d0;border-radius:9px;font-size:16px;background:#fff}.full{grid-column:1/-1}.calculate{width:100%;border:0;background:#55a978;color:#fff;padding:14px;border-radius:10px;font-size:16px;font-weight:800;cursor:pointer}.result{margin-top:18px;background:#eef7f0;border:1px solid #d5e8d9;border-radius:18px;padding:24px}.result .big{font-size:34px;font-weight:900;color:#315a45}.muted{color:#728079}
footer{border-top:1px solid #e5ebe6;padding:35px 0;color:#7a8580;font-size:13px}
@media(max-width:760px){.links{gap:12px}.grid{grid-template-columns:1fr}.form{grid-template-columns:1fr}.full{grid-column:auto}.hero{padding-top:48px}.calc h1{font-size:34px}}