*{box-sizing:border-box}body{margin:0;font:17px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1d2b24;background:#fff}a{color:#0f5132}.wrap{max-width:1080px;margin:auto;padding:0 18px}
.topbar{background:#0f5132;color:#fff;font-size:14px;text-align:center;padding:6px}.topbar a{color:#fff;font-weight:700}header{border-bottom:1px solid #e3ebe6;position:sticky;top:0;background:#fff;z-index:5}
.nav{display:flex;align-items:center;gap:16px;padding:10px 18px}.logo{font-size:20px;text-decoration:none;color:#0f5132;white-space:nowrap}nav{display:flex;gap:14px;flex-wrap:wrap;flex:1;font-size:15px}nav a{text-decoration:none}
.btn{display:inline-block;background:#e8590c;color:#fff;text-decoration:none;font-weight:700;border-radius:10px;padding:12px 20px}.btn.small{padding:8px 14px}.btn.big{font-size:20px;padding:14px 26px;margin:10px 0}.btn small{display:block;font-size:14px;font-weight:400}
.hero{background:linear-gradient(135deg,#e9f5ee,#f7fbf8);padding:44px 0}.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.15;margin:.2em 0}.eyebrow{color:#0f5132;font-weight:700;text-transform:uppercase;font-size:13px;letter-spacing:.06em}.lead{font-size:19px;max-width:720px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:28px auto}.card{border:1px solid #d8e6dd;border-radius:12px;padding:16px;text-decoration:none;background:#fff}.card:hover{border-color:#0f5132}.card h3{margin:0}
.page{padding:24px 18px 40px}table{border-collapse:collapse;width:100%;margin:12px 0}td,th{border:1px solid #d8e6dd;padding:8px;text-align:left;vertical-align:top}th{background:#f1f7f3}
.check{padding-left:0;list-style:none}.check li{padding-left:28px;position:relative;margin:6px 0}.check li:before{content:"✓";position:absolute;left:4px;color:#0f5132;font-weight:700}
details{border:1px solid #e3ebe6;border-radius:10px;padding:10px 14px;margin:8px 0}summary{font-weight:700;cursor:pointer}.note{background:#fff8e6;border-left:4px solid #e8a40c;padding:10px 14px;font-size:15px}.src{font-size:14px}
.calc{background:#f1f7f3;border-radius:12px;padding:18px;margin:16px 0}.calc select{display:block;font-size:17px;padding:8px;margin-top:6px;max-width:100%}.out{font-size:22px;font-weight:700;color:#0f5132}
.cta{background:#0f5132;color:#fff;text-align:center;padding:30px 0}footer{background:#14211b;color:#cfe0d6;padding:28px 0 80px;font-size:14px}footer a{color:#cfe0d6;display:block}.cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:20px}.copy{opacity:.8}
.sticky{display:none}@media(max-width:760px){nav{display:none}.cols{grid-template-columns:1fr}.sticky{display:block;position:fixed;bottom:0;left:0;right:0;background:#e8590c;color:#fff;text-align:center;font-weight:700;padding:14px;text-decoration:none;z-index:9}}