:root{
  --pine:#1d3a2f;
  --pine-2:#274d3e;
  --pine-tint:#eaf0ec;
  --cedar:#b5702f;
  --cedar-deep:#9a5d23;
  --paper:#f5f3ee;
  --card:#ffffff;
  --ink:#20231f;
  --mute:#6b6a60;
  --line:#ddd8cc;
  --line-strong:#c8c2b2;
  --ok:#2f7d52;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"IBM Plex Sans",system-ui,sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:"Archivo",sans-serif;line-height:1.12;letter-spacing:-0.02em;margin:0;color:var(--pine);}
a{color:var(--cedar-deep);}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px;}

/* Header + nav */
header{border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:20;}
.bar{display:flex;align-items:center;justify-content:space-between;height:58px;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;font-family:"Archivo";font-weight:800;color:var(--pine);font-size:18px;letter-spacing:-0.02em;text-decoration:none;flex-shrink:0;}
.brand .mark{width:26px;height:26px;border-radius:5px;background:var(--pine);display:grid;place-items:center;color:#fff;font-size:14px;}
.nav{display:flex;gap:4px;flex-wrap:wrap;}
.nav a{font-family:"IBM Plex Sans";font-size:14px;font-weight:500;color:var(--ink);text-decoration:none;padding:6px 11px;border-radius:7px;transition:background .14s,color .14s;}
.nav a:hover{background:var(--pine-tint);color:var(--pine);}
.nav a.active{background:var(--pine);color:#fff;}

/* Hero */
.hero{padding:46px 0 8px;}
.eyebrow{font-family:"IBM Plex Mono";font-size:12.5px;letter-spacing:0.16em;text-transform:uppercase;color:var(--cedar-deep);font-weight:600;margin-bottom:14px;}
.hero h1{font-size:clamp(28px,5vw,44px);font-weight:800;max-width:20ch;}
.hero p.sub{font-size:18px;color:var(--mute);max-width:56ch;margin:16px 0 0;}
.ruler{height:14px;margin:22px 0 0;background-image:repeating-linear-gradient(90deg,var(--line-strong) 0 1px,transparent 1px 28px);border-bottom:1px solid var(--line-strong);position:relative;}
.ruler::after{content:"";position:absolute;left:0;bottom:-1px;width:33%;height:2px;background:var(--cedar);}

/* Calculator */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin:30px 0 8px;align-items:start;}
.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.panel-h{padding:14px 20px;border-bottom:1px solid var(--line);font-family:"Archivo";font-weight:700;color:var(--pine);font-size:15px;display:flex;align-items:center;gap:8px;}
.panel-h .tag{font-family:"IBM Plex Mono";font-size:11px;color:var(--mute);font-weight:400;margin-left:auto;letter-spacing:0.04em;}
.panel-b{padding:20px;}
.field{margin-bottom:16px;}
.field:last-child{margin-bottom:0;}
label.lbl{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:7px;}
label.lbl .hint{font-weight:400;color:var(--mute);}
.dims{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
input[type=number],input[type=text],select{
  width:100%;padding:11px 12px;border:1px solid var(--line-strong);border-radius:8px;background:#fff;
  font-family:"IBM Plex Sans";font-size:15px;color:var(--ink);
}
input:focus,select:focus{outline:2px solid var(--pine);outline-offset:1px;border-color:var(--pine);}
.area-note{font-family:"IBM Plex Mono";font-size:12px;color:var(--mute);margin-top:7px;}
.checks{display:flex;flex-direction:column;gap:10px;}
.chk{display:flex;align-items:center;gap:10px;font-size:14px;cursor:pointer;}
.chk input{width:18px;height:18px;accent-color:var(--pine);}

/* Estimate sheet */
.sheet{background:var(--card);border:1px solid var(--line-strong);border-radius:12px;position:relative;}
.sheet-h{padding:14px 20px;border-bottom:1px dashed var(--line-strong);display:flex;align-items:baseline;justify-content:space-between;}
.sheet-h .t{font-family:"Archivo";font-weight:700;color:var(--pine);font-size:15px;}
.sheet-h .ref{font-family:"IBM Plex Mono";font-size:11px;color:var(--mute);}
.total-block{padding:22px 20px;text-align:center;border-bottom:1px solid var(--line);}
.total-block .cap{font-family:"IBM Plex Mono";font-size:12px;letter-spacing:0.14em;text-transform:uppercase;color:var(--mute);}
.total-block .amt{font-family:"Archivo";font-weight:800;font-size:clamp(28px,6vw,40px);color:var(--pine);letter-spacing:-0.03em;margin:4px 0 2px;}
.total-block .persf{font-family:"IBM Plex Mono";font-size:13px;color:var(--cedar-deep);font-weight:500;}
.lines{padding:8px 20px 4px;}
.line{display:flex;justify-content:space-between;align-items:baseline;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px;}
.line:last-child{border-bottom:none;}
.line .name{color:var(--ink);}
.line .name small{display:block;color:var(--mute);font-size:11.5px;font-family:"IBM Plex Mono";}
.line .val{font-family:"IBM Plex Mono";font-weight:500;color:var(--ink);white-space:nowrap;}
.line.muted .val,.line.muted .name{color:var(--mute);}
.split{display:flex;gap:0;padding:14px 20px;border-top:1px dashed var(--line-strong);font-family:"IBM Plex Mono";font-size:12.5px;}
.split div{flex:1;text-align:center;}
.split .k{color:var(--mute);display:block;}
.split .v{color:var(--pine);font-weight:600;font-size:15px;}
.disclaimer{padding:12px 20px 18px;font-size:11.5px;color:var(--mute);line-height:1.5;}

/* CTA */
.cta{background:var(--pine);color:#fff;border-radius:14px;padding:32px;margin:34px 0;display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:center;}
.cta h2{color:#fff;font-size:26px;font-weight:800;}
.cta p{color:#cfe0d6;margin:10px 0 0;font-size:15px;}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;}
.cta-form input{flex:1;min-width:140px;padding:13px 14px;border-radius:9px;border:none;font-size:15px;font-family:"IBM Plex Sans";}
.btn{background:var(--cedar);color:#fff;border:none;border-radius:9px;padding:13px 20px;font-family:"Archivo";font-weight:700;font-size:15px;cursor:pointer;letter-spacing:-0.01em;transition:background .15s;white-space:nowrap;}
.btn:hover{background:var(--cedar-deep);}
.cta-note{font-family:"IBM Plex Mono";font-size:11px;color:#9fc0ac;margin-top:12px;}
.cta-fine{font-family:"IBM Plex Sans";font-size:11px;color:#9fc0ac;margin-top:12px;line-height:1.45;}
.cta-fine a{color:#cfe0d6;}
.cta-success{color:#fff;font-size:15px;display:none;}
.cta-success.show{display:block;}

/* Ad slots */
.ad-slot{border:1px dashed var(--line-strong);border-radius:10px;background:#fbfaf6;min-height:110px;display:grid;place-items:center;color:var(--mute);font-family:"IBM Plex Mono";font-size:12px;letter-spacing:0.04em;margin:26px 0;text-align:center;padding:14px;}

/* Content */
section.content{padding:18px 0 8px;}
section.content h2{font-size:26px;font-weight:800;margin-bottom:6px;}
section.content h2 + p.lead{color:var(--mute);margin:0 0 18px;max-width:65ch;}
.legal{max-width:75ch;}
.legal h3{font-size:17px;font-weight:700;margin:22px 0 4px;}
.legal p{margin:0 0 12px;}
.factors{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:14px 0;}
.factor{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px;}
.factor h3{font-size:16px;font-weight:700;margin-bottom:5px;}
.factor p{margin:0;font-size:14px;color:var(--mute);}
table.compare{width:100%;border-collapse:collapse;margin:16px 0;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:14px;}
table.compare th,table.compare td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);}
table.compare th{background:var(--pine);color:#fff;font-family:"Archivo";font-weight:600;font-size:13px;}
table.compare td:nth-child(2),table.compare td:nth-child(3){font-family:"IBM Plex Mono";white-space:nowrap;}
table.compare tr:last-child td{border-bottom:none;}
table.compare tr:nth-child(even) td{background:#faf8f3;}
.aff{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:14px 0;}
.aff a{display:block;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:15px;text-decoration:none;color:var(--ink);transition:border-color .15s;}
.aff a:hover{border-color:var(--cedar);}
.aff .k{font-family:"IBM Plex Mono";font-size:11px;color:var(--cedar-deep);text-transform:uppercase;letter-spacing:0.08em;}
.aff .n{font-weight:600;font-size:15px;margin:5px 0 2px;}
.aff .d{font-size:12.5px;color:var(--mute);}
details.faq{background:var(--card);border:1px solid var(--line);border-radius:10px;margin-bottom:10px;overflow:hidden;}
details.faq summary{padding:15px 18px;font-weight:600;cursor:pointer;list-style:none;font-size:15px;display:flex;justify-content:space-between;gap:12px;}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary::after{content:"+";color:var(--cedar);font-family:"IBM Plex Mono";font-size:20px;line-height:1;}
details.faq[open] summary::after{content:"\2212";}
details.faq .a{padding:0 18px 16px;color:var(--mute);font-size:14.5px;}

/* Hub / index */
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:30px 0;}
.hub-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s;}
.hub-card:hover{border-color:var(--cedar);transform:translateY(-2px);}
.hub-card .hc-k{font-family:"IBM Plex Mono";font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--cedar-deep);}
.hub-card h3{font-size:19px;font-weight:700;margin:8px 0 6px;}
.hub-card p{margin:0;font-size:14px;color:var(--mute);}

footer{border-top:1px solid var(--line);margin-top:40px;padding:28px 0 40px;color:var(--mute);font-size:13px;}
footer .wrap{display:flex;flex-direction:column;gap:8px;}
footer strong{color:var(--ink);}
footer .fnav{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:4px;}
footer .fnav a{color:var(--mute);text-decoration:none;font-size:13px;}
footer .fnav a:hover{color:var(--pine);}

@media (max-width:860px){
  .calc{grid-template-columns:1fr;}
  .cta{grid-template-columns:1fr;}
  .factors{grid-template-columns:1fr;}
  .aff{grid-template-columns:1fr;}
  .hub-grid{grid-template-columns:1fr;}
  .bar{height:auto;padding:10px 0;flex-wrap:wrap;}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}*{transition:none!important;}}