:root{
  --green:#14532D; --green-d:#0E3D21; --terra:#EA580C; --terra-d:#C2410C;
  --bg:#FFFBF5; --card:#FFFFFF; --ink:#1C1917; --muted:#57534E; --line:#E7E5E4; --zebra:#FAFAF9;
  --radius:14px; --shadow:0 8px 28px rgba(20,83,45,.09);
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:16.5px}
h1,h2,h3{font-family:Fraunces,Georgia,"Times New Roman",serif;letter-spacing:-.01em;color:var(--green-d)}
a{color:#0E7490;text-decoration:none} a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
header.site{position:sticky;top:0;z-index:50;background:var(--green);color:#fff;box-shadow:0 2px 12px rgba(14,61,33,.3)}
header.site .wrap{display:flex;align-items:center;gap:20px;height:62px}
.logo{font-family:Fraunces,Georgia,serif;font-weight:700;font-size:22px;color:#fff;display:flex;gap:9px;align-items:center}
.logo:hover{text-decoration:none}
.logo .mark{background:var(--terra);color:#fff;border-radius:9px;width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;font-family:Inter,sans-serif;font-weight:800}
.logo em{font-style:normal;color:#FDBA74}
nav.main{margin-left:auto;display:flex;gap:18px;font-size:15.5px}
nav.main a{color:#D9EBDF} nav.main a:hover{color:#fff;text-decoration:none}
@media(max-width:820px){nav.main{display:none}}
.hero{background:linear-gradient(135deg,var(--green-d),var(--green));color:#fff;padding:52px 0 44px}
.hero h1{color:#fff;font-size:41px;line-height:1.16;margin:0 0 12px;max-width:760px}
.hero p.sub{color:#CFE5D4;font-size:18.5px;max-width:660px;margin:0 0 22px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--terra);color:#fff;border:0;border-radius:10px;padding:13px 22px;font-size:16.5px;font-weight:700;cursor:pointer}
.btn:hover{background:var(--terra-d);text-decoration:none}
.btn.ghost{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.35);color:#fff}
.truststrip{background:#fff;border-bottom:1px solid var(--line)}
.truststrip .wrap{display:flex;flex-wrap:wrap;gap:8px 30px;padding:12px 20px;font-size:14.5px;color:var(--muted)}
.truststrip b{color:var(--ink)}
section.block{padding:34px 0 4px}
section.block h2{font-size:27px;margin:0 0 6px}
.lede{color:var(--muted);margin:0 0 18px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);display:block;color:var(--ink)}
.card:hover{text-decoration:none;border-color:#D8CDBE;transform:translateY(-2px);transition:.15s}
.card h3{margin:4px 0 5px;font-size:19px}
.card p{margin:0;color:var(--muted);font-size:15px}
.card .range{font-family:Inter,sans-serif;font-size:21px;font-weight:800;color:var(--terra-d);font-variant-numeric:tabular-nums}
.card .anchor{font-size:13.5px;color:var(--muted)}
.crumbs{font-size:14.5px;color:var(--muted);padding:20px 0 0}
.pill{display:inline-block;background:#FDEEDF;color:var(--terra-d);font-weight:700;font-size:12.5px;padding:4px 11px;border-radius:99px;text-transform:uppercase;letter-spacing:.06em}
main.page h1{font-size:40px;line-height:48px;margin:12px 0 4px}
.metarow{font-size:13.5px;color:var(--muted);margin-bottom:6px}
.costhero{background:#fff;border:1px solid var(--line);border-top:5px solid var(--terra);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin:16px 0 8px}
.costhero .lbl{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.costhero .big{font-size:50px;font-weight:800;font-family:Inter,sans-serif;color:var(--terra-d);line-height:1.1;font-variant-numeric:tabular-nums}
.costhero .typical{font-size:18px}
.rangebar{height:12px;border-radius:99px;background:linear-gradient(90deg,#FDE68A,#F59E0B);margin:14px 0 4px;position:relative}
.rangebar .mid{position:absolute;top:-4px;width:4px;height:20px;background:var(--green-d);border-radius:2px}
table.data{width:100%;border-collapse:collapse;margin:12px 0;font-size:16px;background:#fff}
table.data th,table.data td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left}
table.data tr:nth-child(even) td{background:var(--zebra)}
table.data th{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.05em}
table.data td.num,table.data th.num{text-align:right;font-variant-numeric:tabular-nums}
article.content{max-width:780px}
article.content h2{font-size:25px;margin:30px 0 8px}
article.content h3{font-size:19px;margin:20px 0 6px}
details.faq{background:#fff;border:1px solid var(--line);border-radius:10px;padding:13px 16px;margin-bottom:10px}
details.faq summary{font-weight:700;cursor:pointer}
details.faq p{margin:8px 0 2px;color:#3D3833}
.note{background:#FFF7E8;border:1px solid #F0DCB2;border-radius:10px;padding:13px 16px;font-size:15.5px}
.methodbox{background:#EFF6F0;border:1px solid #CBE0CE;border-radius:10px;padding:15px 18px;font-size:15.5px;margin:20px 0}
label.f{display:block;font-size:14.5px;font-weight:600;margin:0 0 5px}
.field{margin-bottom:14px}
input[type=number],input[type=text],select{width:100%;padding:12px;border:1px solid #D6CFC4;border-radius:10px;font-size:16.5px;min-height:48px;background:#fff}
.btn.calc{width:100%;background:var(--green)}
.btn.calc:hover{background:var(--green-d)}
.toolcard-big{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin:18px 0}
.toolgrid{display:grid;grid-template-columns:5fr 7fr;gap:24px}
@media(max-width:820px){.toolgrid{grid-template-columns:1fr}}
.resultbox{background:#F3F8F3;border:1px solid #CBE0CE;border-radius:12px;padding:18px}
.resultbox .big{font-size:34px;font-weight:800;font-family:Inter,sans-serif;color:var(--green-d);font-variant-numeric:tabular-nums;line-height:1.15}
.resultbox .lbl{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--green)}
footer.site{margin-top:52px;background:var(--green-d);color:#CFE0CF;padding:36px 0 28px}
footer.site .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}
footer.site h4{color:#fff;margin:0 0 10px;font-family:Inter,sans-serif}
footer.site a{color:#CFE0CF;display:block;padding:3px 0;font-size:15.5px}
footer.site .fine{border-top:1px solid rgba(255,255,255,.18);margin-top:24px;padding-top:16px;font-size:13.5px;color:#A5C2AB}
.small{font-size:14px;color:var(--muted)}
.error{color:#B3382E;font-weight:600;font-size:15px}
.chiprow{display:flex;flex-wrap:wrap;gap:9px}
.chiprow span{background:#fff;border:1px solid var(--line);border-radius:99px;padding:7px 14px;font-size:14.5px;color:var(--muted)}

/* ---- v2 design polish (audit R1/R3/R4/R5/R10) ---- */
.menubtn{display:none;margin-left:auto;background:transparent;border:1px solid rgba(255,255,255,.45);border-radius:9px;width:44px;height:44px;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.menubtn span{display:block;width:20px;height:2px;background:#fff;border-radius:2px}
input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--terra);outline-offset:2px}
.costhero .rangebar{margin-top:28px}
.rangebar .midlab{position:absolute;top:-21px;transform:translateX(-50%);font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--green-d);white-space:nowrap}
.rangelabels{display:flex;justify-content:space-between;font-size:13.5px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums;margin:1px 0 4px}
.sharebar{display:flex;height:18px;border-radius:99px;overflow:hidden;margin:14px 0 8px;border:1px solid var(--line);background:#fff}
.sharebar .seg{height:100%}
.sharelegend{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13.5px;color:var(--muted);margin:0 0 8px}
.sharelegend .leg{display:inline-flex;align-items:center;gap:6px}
.sharelegend .leg i{width:11px;height:11px;border-radius:3px;display:inline-block;flex:none}
.pinfig{margin:22px 0;text-align:center}
.pinfig img{width:300px;max-width:100%;height:auto;border-radius:12px;border:1px solid var(--line);box-shadow:var(--shadow)}
.pinfig figcaption{font-size:14px;color:var(--muted);margin-top:8px}
@media(max-width:820px){
  .menubtn{display:inline-flex}
  nav.main{display:none}
  nav.main.open{display:flex;flex-direction:column;gap:2px;position:absolute;top:62px;left:0;right:0;background:var(--green-d);padding:12px 20px 16px;box-shadow:0 14px 24px rgba(14,61,33,.35);z-index:60;margin-left:0}
  nav.main.open a{padding:9px 4px;border-bottom:1px solid rgba(255,255,255,.12);color:#E7F2E9}
  nav.main.open a:last-child{border-bottom:0}
}