:root{
  --ink:#1B2A41; --ink-soft:#44536B; --paper:#F5F7F4; --card:#FFFFFF;
  --green:#1E7A57; --green-deep:#155C41; --amber:#A96E24; --line:#DFE4DC;
  --radius:14px; --maxw:1060px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--paper);color:var(--ink);line-height:1.65;font-size:16.5px}
h1,h2,h3,.brand{font-family:'Fraunces',Georgia,serif}
a{color:var(--green-deep)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--green);outline-offset:2px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
header.site{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px}
.brand{font-size:1.45rem;font-weight:600;text-decoration:none;color:var(--ink)}
.brand b{color:var(--green)}
nav.main a{margin-left:22px;text-decoration:none;color:var(--ink-soft);font-size:.95rem;font-weight:500}
nav.main a:hover{color:var(--green-deep)}
.hero{padding:64px 0 34px}
.hero h1{font-size:clamp(2rem,4.6vw,3.1rem);line-height:1.12;font-weight:600;max-width:19ch}
.hero p.lead{margin-top:16px;max-width:58ch;color:var(--ink-soft);font-size:1.08rem}
.eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--green-deep);font-weight:600;margin-bottom:14px}
section{padding:44px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
@media(max-width:860px){.calc-grid{grid-template-columns:1fr}}
.field{margin-bottom:16px}
.field label{display:block;font-size:.86rem;font-weight:600;margin-bottom:6px;color:var(--ink)}
.field input,.field select{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:9px;font-size:1rem;font-family:inherit;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus{border-color:var(--green)}
.field .hint{font-size:.78rem;color:var(--ink-soft);margin-top:4px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
button.go{width:100%;padding:14px;background:var(--green);color:#fff;border:none;border-radius:9px;font-size:1.05rem;font-weight:600;font-family:inherit;cursor:pointer;margin-top:6px}
button.go:hover{background:var(--green-deep)}
.results{display:flex;flex-direction:column;gap:14px}
.res-row{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px dashed var(--line);padding-bottom:10px}
.res-row .lab{font-size:.9rem;color:var(--ink-soft)}
.res-row .val{font-family:'Fraunces',Georgia,serif;font-size:1.45rem;font-weight:600}
.val.save{color:var(--green-deep)} .val.cost{color:var(--amber)}
.breakeven{margin-top:8px}
.breakeven .be-label{font-size:.86rem;font-weight:600;margin-bottom:8px}
.be-bar{position:relative;height:14px;background:#E8EDE6;border-radius:7px;overflow:hidden}
.be-fill{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,var(--amber),var(--green));border-radius:7px;transition:width .6s ease}
.be-scale{display:flex;justify-content:space-between;font-size:.72rem;color:var(--ink-soft);margin-top:5px}
.verdict{margin-top:6px;padding:14px 16px;border-radius:10px;background:#EDF5F0;border:1px solid #CBE3D6;font-size:.95rem}
.verdict.warn{background:#F8F1E4;border-color:#EAD9B8}
.placeholder{color:var(--ink-soft);font-size:.95rem;padding:22px;text-align:center;border:1.5px dashed var(--line);border-radius:10px}
.prose{max-width:72ch}
.prose h2{font-size:1.55rem;margin:34px 0 12px;font-weight:600}
.prose h3{font-size:1.15rem;margin:24px 0 8px;font-weight:600}
.prose p{margin:12px 0;color:#2A3648}
.prose ul,.prose ol{margin:12px 0 12px 24px;color:#2A3648}
.prose li{margin:6px 0}
.prose table{border-collapse:collapse;width:100%;margin:16px 0;font-size:.95rem}
.prose th,.prose td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.prose th{background:#EFF3EE;font-weight:600}
.guide-list{display:grid;gap:18px;margin-top:26px}
.guide-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-decoration:none;color:var(--ink);display:block;transition:border-color .15s}
.guide-card:hover{border-color:var(--green)}
.guide-card h3{font-size:1.25rem;font-weight:600;margin-bottom:6px}
.guide-card p{color:var(--ink-soft);font-size:.95rem}
.guide-card .more{color:var(--green-deep);font-weight:600;font-size:.9rem}
.byline{font-size:.85rem;color:var(--ink-soft);margin:10px 0 26px}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{font-weight:600;cursor:pointer;font-size:1.02rem}
.faq details p{margin-top:10px;color:#2A3648}
.cta-partner{display:none;margin-top:26px;padding:22px;border-radius:var(--radius);background:#EDF5F0;border:1px solid #CBE3D6}
.cta-partner.on{display:block}
.cta-partner a.btn{display:inline-block;margin-top:10px;padding:11px 20px;background:var(--green);color:#fff;border-radius:9px;text-decoration:none;font-weight:600}
.cta-partner .disc{font-size:.76rem;color:var(--ink-soft);margin-top:12px}
footer.site{border-top:1px solid var(--line);background:var(--card);margin-top:40px;padding:34px 0;font-size:.88rem;color:var(--ink-soft)}
footer.site nav a{margin-right:18px;color:var(--ink-soft)}
footer.site p{margin-top:14px;max-width:80ch}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}