/* =====================================================================
   Self-hosted typefaces. No third-party font request, so no visitor
   IP address leaves the server. Latin subset only.
   ===================================================================== */
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:400;font-display:swap;
  src:url('/assets/fonts/instrument-sans-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:500;font-display:swap;
  src:url('/assets/fonts/instrument-sans-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:600;font-display:swap;
  src:url('/assets/fonts/instrument-sans-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;
  src:url('/assets/fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;
  src:url('/assets/fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:600;font-display:swap;
  src:url('/assets/fonts/ibm-plex-mono-latin-600-normal.woff2') format('woff2')}

/* =====================================================================
   Calcbase · site.css
   Ledger paper, stamp blue, mono figures.
   Bump ASSET_VER in _inc/config.php after editing this file.
   ===================================================================== */

:root{
  --paper:#F4F6F0;
  --card:#FFFFFF;
  --rule:#D2DECB;
  --rule-soft:#E4EBDF;
  --ink:#111A14;
  --muted:#59685D;
  --body:#33403A;
  --stamp:#123F8C;
  --stamp-soft:#E8EEF8;
  --deduct:#9C3226;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
  --sans:'Instrument Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --maxw:1120px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;
}
a{color:var(--stamp);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--stamp);outline-offset:2px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:200;background:var(--ink);color:#fff;padding:10px 14px;border-radius:6px}

.eyebrow{font-family:var(--mono);font-size:11.5px;font-weight:500;
  letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}

/* ---------- masthead ---------- */
.masthead{border-bottom:1px solid var(--rule);background:var(--paper);position:sticky;top:0;z-index:50}
.masthead .wrap{display:flex;align-items:center;gap:24px;height:64px}
.brand{font-family:var(--mono);font-weight:600;font-size:17px;letter-spacing:-.04em;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand .dot{color:var(--stamp)}

.burger{display:none;margin-left:auto;background:none;border:1px solid var(--rule);
  border-radius:7px;width:40px;height:36px;cursor:pointer;padding:9px 9px}
.burger span{display:block;height:1.5px;background:var(--ink);margin:0 0 4px}
.burger span:last-child{margin-bottom:0}

.nav{display:flex;gap:2px;margin-left:auto;align-items:center}
.nav-item{position:relative}
.nav-btn{font-family:var(--sans);font-size:14.5px;font-weight:500;color:var(--ink);
  background:none;border:0;padding:8px 12px;border-radius:6px;cursor:pointer}
.nav-btn:hover{background:var(--rule-soft)}
a.nav-btn{display:inline-block;text-decoration:none;line-height:1.4}
a.nav-btn:hover{text-decoration:none;background:var(--rule-soft)}
a.nav-btn[aria-current="page"]{background:var(--stamp-soft);color:var(--stamp)}
.nav-item[data-open="1"] > .nav-btn{background:var(--rule-soft)}
.mega{display:none;position:absolute;top:calc(100% + 8px);right:0;background:var(--card);
  border:1px solid var(--rule);border-radius:10px;padding:18px;min-width:250px;
  box-shadow:0 12px 32px rgba(17,26,20,.10)}
.nav-item[data-open="1"] .mega{display:block}
.mega .eyebrow{margin-bottom:10px}
.mega a{display:block;padding:6px 8px;border-radius:5px;color:var(--ink);font-size:14.5px}
.mega a:hover{background:var(--stamp-soft);color:var(--stamp);text-decoration:none}
.mega .cnt{font-family:var(--mono);font-size:12px;color:var(--muted);float:right}

/* ---------- hero ---------- */
.hero{padding:76px 0 56px;border-bottom:1px solid var(--rule);
  background:repeating-linear-gradient(to bottom,transparent 0 35px,var(--rule-soft) 35px 36px)}
.hero h1{font-family:var(--mono);font-weight:500;letter-spacing:-.045em;
  font-size:clamp(30px,5.2vw,54px);line-height:1.12;margin:0 0 8px;max-width:15ch}
.hero .sub{max-width:52ch;color:var(--muted);font-size:17px;margin:0 0 32px}
.askbar{display:flex;align-items:center;background:var(--card);border:1.5px solid var(--ink);
  border-radius:10px;max-width:640px;overflow:hidden}
.askbar .lead{font-family:var(--mono);font-size:16px;padding:0 4px 0 16px;white-space:nowrap}
.askbar input{flex:1;border:0;outline:0;background:none;font-family:var(--mono);
  font-size:16px;padding:15px 8px;color:var(--ink);min-width:0}
.askbar input::placeholder{color:#9AA79E}
.askbar .qm{font-family:var(--mono);font-size:16px;padding-right:16px;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{font-family:var(--mono);font-size:12.5px;padding:5px 11px;border-radius:20px;
  border:1px solid var(--rule);background:var(--card);color:var(--muted);cursor:pointer;
  text-decoration:none;display:inline-block}
.chip:hover{border-color:var(--stamp);color:var(--stamp);text-decoration:none}
.results{max-width:640px;margin-top:14px}
.results a{display:flex;justify-content:space-between;gap:16px;align-items:baseline;
  background:var(--card);border:1px solid var(--rule);border-bottom:0;padding:11px 16px;color:var(--ink)}
.results a:first-child{border-radius:9px 9px 0 0}
.results a:last-child{border-bottom:1px solid var(--rule);border-radius:0 0 9px 9px}
.results a:only-child{border-radius:9px}
.results a:hover{background:var(--stamp-soft);text-decoration:none}
.results .path{font-family:var(--mono);font-size:11.5px;color:var(--muted);white-space:nowrap}
.results .none{padding:12px 16px;color:var(--muted);font-size:14.5px;background:var(--card);
  border:1px solid var(--rule);border-radius:9px}

/* ---------- sections ---------- */
.section{padding:64px 0}
.section.tight{padding-top:0}
.sec-head{border-bottom:1px solid var(--rule);padding-bottom:12px;margin-bottom:32px;
  display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.sec-head h2{font-family:var(--mono);font-weight:500;font-size:20px;letter-spacing:-.02em;margin:0}
.sec-head .note{margin-left:auto;font-size:13.5px;color:var(--muted)}

.groups{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);
  border:1px solid var(--rule);border-radius:12px;overflow:hidden}
.group{background:var(--card);padding:24px}
.group h3{font-family:var(--mono);font-weight:600;font-size:15px;margin:0 0 3px}
.group .desc{font-size:13.5px;color:var(--muted);margin:0 0 16px;min-height:38px}
.group ul{list-style:none;margin:0;padding:0}
.group li{border-top:1px solid var(--rule-soft)}
.group li a,.group li span.soon{display:flex;justify-content:space-between;gap:12px;
  padding:8px 0;color:var(--ink);font-size:14.5px}
.group li a:hover{color:var(--stamp);text-decoration:none}
.group li span.soon{color:#9AA79E}
.group li .cnt{font-family:var(--mono);font-size:12px;color:var(--muted)}

.trust{background:var(--card);border:1px solid var(--rule);border-radius:12px;padding:28px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.trust h4{font-family:var(--mono);font-weight:500;font-size:14px;margin:0 0 6px}
.trust p{margin:0;font-size:14px;color:var(--muted)}

/* ---------- page shell ---------- */
.crumbs{font-family:var(--mono);font-size:12.5px;color:var(--muted);padding:22px 0 0}
.crumbs a{color:var(--muted)}
.page-head{padding:14px 0 30px;border-bottom:1px solid var(--rule);margin-bottom:36px}
.page-head h1{font-family:var(--mono);font-weight:500;letter-spacing:-.035em;
  font-size:clamp(25px,3.6vw,36px);line-height:1.18;margin:0 0 10px;max-width:22ch}
.page-head p{margin:0;max-width:62ch;color:var(--muted);font-size:16.5px}

.cardgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.calccard{background:var(--card);border:1px solid var(--rule);border-radius:10px;
  padding:18px 20px;display:block;color:var(--ink)}
.calccard:hover{border-color:var(--stamp);text-decoration:none}
.calccard h3{font-family:var(--mono);font-weight:500;font-size:15.5px;margin:0 0 5px}
.calccard p{margin:0;font-size:14px;color:var(--muted)}
.calccard.stub{opacity:.6;cursor:default}
.calccard.stub:hover{border-color:var(--rule)}
.tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--muted);border:1px solid var(--rule);border-radius:4px;padding:1px 6px;
  margin-left:8px;vertical-align:2px}

/* ---------- calculator ---------- */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.panel{background:var(--card);border:1px solid var(--rule);border-radius:12px;padding:24px}
.panel.out{position:sticky;top:88px}
.field{margin-bottom:18px}
.field:last-child{margin-bottom:0}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:6px}
.field .help{font-size:12.5px;color:var(--muted);margin-top:5px}
.inputwrap{display:flex;align-items:stretch;border:1px solid var(--rule);
  border-radius:8px;overflow:hidden;background:var(--paper)}
.inputwrap:focus-within{border-color:var(--stamp)}
.inputwrap .pre,.inputwrap .post{font-family:var(--mono);font-size:14px;color:var(--muted);
  display:flex;align-items:center;padding:0 11px;background:var(--rule-soft)}
.inputwrap input{flex:1;border:0;outline:0;background:var(--card);font-family:var(--mono);
  font-size:15.5px;padding:10px 12px;color:var(--ink);width:100%;min-width:0}
select{width:100%;font-family:var(--mono);font-size:14.5px;padding:10px 12px;
  border:1px solid var(--rule);border-radius:8px;background:var(--card);color:var(--ink)}
select:focus{outline:0;border-color:var(--stamp)}
.checkrow{display:flex;align-items:center;gap:9px}
.checkrow input{width:16px;height:16px;accent-color:var(--stamp)}
.checkrow label{margin:0;font-weight:400}

.headline{border-bottom:1px solid var(--rule);padding-bottom:18px;margin-bottom:18px}
.headline .lbl{font-family:var(--mono);font-size:12px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.headline .big{font-family:var(--mono);font-weight:600;font-size:clamp(32px,4.4vw,44px);
  letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}
.headline .per{font-size:14px;color:var(--muted);margin-top:6px}

.tally{display:flex;height:12px;border-radius:6px;overflow:hidden;margin-bottom:12px;
  background:var(--rule-soft)}
.tally span{transition:width .28s ease;display:block}
.key{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px}
.key div{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted)}
.key i{width:9px;height:9px;border-radius:2px;display:block}

table.rows{width:100%;border-collapse:collapse;font-size:14.5px}
table.rows td{padding:9px 0;border-bottom:1px solid var(--rule-soft)}
table.rows td:last-child{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums}
table.rows tr.deduct td:last-child{color:var(--deduct)}
table.rows tr.total td{border-bottom:0;border-top:1.5px solid var(--ink);
  font-weight:600;padding-top:12px}
.warn{background:#FBF0EE;border:1px solid #E7C6C0;color:var(--deduct);border-radius:8px;
  padding:11px 14px;font-size:13.5px;margin-bottom:16px}
.noscript{background:var(--stamp-soft);border:1px solid #BFD0EC;border-radius:8px;
  padding:12px 15px;font-size:14px;color:var(--stamp);margin-bottom:16px}

/* ---------- prose blocks ---------- */
.prose{margin-top:48px;display:grid;grid-template-columns:1fr 1fr;gap:24px 40px;align-items:start}
.block{border-top:1px solid var(--rule);padding-top:18px}
.block h2{font-family:var(--mono);font-weight:500;font-size:15px;margin:0 0 10px}
.block p{margin:0 0 10px;font-size:14.5px;color:var(--body)}
.block p:last-child{margin-bottom:0}
table.rates{width:100%;border-collapse:collapse;font-size:13.5px;font-family:var(--mono)}
table.rates td{padding:5px 0;border-bottom:1px solid var(--rule-soft)}
table.rates td:last-child{text-align:right}
.block .src{margin-top:10px;font-size:13px;color:var(--muted)}
details{border-bottom:1px solid var(--rule-soft);padding:9px 0}
details summary{cursor:pointer;font-size:14.5px;font-weight:500;list-style:none}
details summary::-webkit-details-marker{display:none}
details summary::before{content:"+ ";font-family:var(--mono);color:var(--stamp)}
details[open] summary::before{content:"\2013 "}
details p{margin:8px 0 2px;font-size:14px;color:var(--muted)}

.disclaimer{margin-top:44px;border:1px solid var(--rule);border-radius:10px;
  background:var(--card);padding:16px 20px;font-size:13.5px;color:var(--muted)}
.disclaimer strong{color:var(--ink);font-weight:600}

/* ---------- legal ---------- */
.legal{max-width:66ch;margin-bottom:60px}
.legal h2{font-family:var(--mono);font-weight:500;font-size:16px;margin:34px 0 10px;
  padding-top:16px;border-top:1px solid var(--rule)}
.legal h2:first-of-type{margin-top:0}
.legal p{font-size:15px;color:var(--body);margin:0 0 12px}
.legal .stamp{font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-bottom:26px}
.legal .todo{background:#FFF9E8;border:1px solid #E8DAA8;border-radius:8px;padding:12px 15px;
  font-size:13.5px;color:#6B5A20;margin:0 0 22px}
.legal .todo b{color:#4A3D10}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--rule);margin-top:72px;padding:36px 0 56px;
  font-size:13.5px;color:var(--muted)}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:28px}
footer h5{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);margin:0 0 10px;font-weight:500}
footer a{display:block;color:var(--ink);padding:3px 0;font-size:14px}
footer .blurb{max-width:38ch;margin:0}
footer .fine{border-top:1px solid var(--rule);padding-top:18px}
footer .fine-lead{margin:0 0 12px}
footer .fine-row{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px}
footer .fine-row a,footer .fine-lead a{display:inline;color:var(--stamp);font-size:inherit;padding:0}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .burger{display:block}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--card);
    border-bottom:1px solid var(--rule);flex-direction:column;align-items:stretch;
    padding:12px 24px 20px;gap:0;margin:0}
  .nav.open{display:flex}
  .nav-item{width:100%}
  .nav-btn{width:100%;text-align:left;padding:11px 0;border-bottom:1px solid var(--rule-soft)}
  .mega{display:block;position:static;border:0;box-shadow:none;padding:4px 0 10px;min-width:0}
  .mega .eyebrow{display:none}
  .mega a{padding:7px 12px}
  .groups{grid-template-columns:1fr}
  .group .desc{min-height:0}
  .calc{grid-template-columns:1fr}
  .panel.out{position:static}
  .prose{grid-template-columns:1fr}
  .trust{grid-template-columns:1fr}
  .cardgrid{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr}
  .hero{padding:52px 0 44px}
  .section{padding:48px 0}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------- nav additions (v2) ---------- */
.mega .off{display:flex;justify-content:space-between;gap:12px;padding:6px 8px;
  font-size:14.5px;color:#9AA79E;cursor:default}
.mega .off .cnt{color:#B4BFB7}
.mega-all{border-top:1px solid var(--rule-soft);margin-top:8px;padding-top:10px!important;
  font-size:13.5px!important;color:var(--stamp)!important}
a.nav-btn.cta{border:1px solid var(--stamp);color:var(--stamp);padding:7px 14px}
a.nav-btn.cta:hover{background:var(--stamp);color:#fff}
a.nav-btn.cta[aria-current="page"]{background:var(--stamp);color:#fff}

/* ---------- forms (v2) ---------- */
.formwrap{display:grid;grid-template-columns:1.35fr 1fr;gap:32px;align-items:start}
.formwrap .panel{padding:26px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.field textarea{width:100%;font-family:var(--sans);font-size:15px;line-height:1.5;
  padding:11px 12px;border:1px solid var(--rule);border-radius:8px;background:var(--card);
  color:var(--ink);resize:vertical}
.field input[type=text],.field input[type=email]{width:100%;font-family:var(--sans);font-size:15px;
  padding:11px 12px;border:1px solid var(--rule);border-radius:8px;background:var(--card);color:var(--ink)}
.field textarea:focus,.field input[type=text]:focus,.field input[type=email]:focus{
  outline:0;border-color:var(--stamp)}
.field .bad{border-color:var(--deduct);background:#FDF7F6}
.field .err{font-size:12.5px;color:var(--deduct);margin-top:5px}
.field label .opt{font-weight:400;color:var(--muted);font-size:12.5px}
.btn{font-family:var(--sans);font-size:15px;font-weight:500;background:var(--stamp);color:#fff;
  border:0;border-radius:8px;padding:12px 24px;cursor:pointer;margin-top:6px}
.btn:hover{background:#0E326F}
.formnote{font-size:13px;color:var(--muted);margin:16px 0 0}
.sidenote{border-left:1px solid var(--rule);padding-left:28px}
.sidenote h2{font-family:var(--mono);font-weight:500;font-size:14.5px;margin:0 0 8px}
.sidenote h2 + p{margin-top:0}
.sidenote p{font-size:14px;color:var(--body);margin:0 0 10px}
.sidenote h2:not(:first-child){margin-top:26px;padding-top:20px;border-top:1px solid var(--rule-soft)}

@media (max-width:900px){
  .formwrap{grid-template-columns:1fr;gap:28px}
  .sidenote{border-left:0;padding-left:0;border-top:1px solid var(--rule);padding-top:24px}
  a.nav-btn.cta{text-align:left;border:0;border-bottom:1px solid var(--rule-soft);
    padding:11px 0;color:var(--stamp)}
  a.nav-btn.cta:hover,a.nav-btn.cta[aria-current="page"]{background:none;color:var(--stamp)}
  .mega .off{padding:7px 12px}
}

/* ---------- hero chip rows (v3) ---------- */
.chiprows{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.chiprow{display:flex;align-items:flex-start;gap:14px}
.chiplabel{font-family:var(--mono);font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);padding-top:7px;width:72px;flex:none}
.chiprow .chips{margin-top:0}

/* ---------- comparison layout (v3) ---------- */
.calc.wide{grid-template-columns:1.15fr 1fr}
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:0 20px;margin-top:6px}
.colblock{border-top:1px solid var(--rule);padding-top:14px}
.colblock + .colblock{border-left:1px solid var(--rule-soft);padding-left:20px}
.colhead{font-family:var(--mono);font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--stamp);margin-bottom:14px}
table.rows.compare{margin-bottom:22px}
table.rows.compare thead td{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--rule);padding-bottom:7px}
table.rows.compare td:nth-child(2),
table.rows.compare td:nth-child(3){text-align:right;font-family:var(--mono);
  font-variant-numeric:tabular-nums;width:27%}
table.rows.compare tr.total td{border-top:1.5px solid var(--ink);font-weight:600;padding-top:12px}
table.rows.compare td.win{color:var(--stamp);font-weight:600}

.projnote{margin-top:40px;border:1px solid #C9D8B9;background:#F3F8ED;border-radius:10px;
  padding:14px 18px;font-size:13.5px;color:#40542F}
.projnote strong{color:#2C3B20;font-weight:600}

@media (max-width:900px){
  .chiprow{flex-direction:column;gap:6px}
  .chiplabel{width:auto;padding-top:0}
  .calc.wide{grid-template-columns:1fr}
  .twocol{grid-template-columns:1fr;gap:0}
  .colblock + .colblock{border-left:0;padding-left:0}
  table.rows.compare td:nth-child(2),
  table.rows.compare td:nth-child(3){width:auto;font-size:13.5px}
}