/* LTM calculator pages: calculator-specific styles on top of the site stylesheet (site.css). Uses site tokens so dark mode works. */
:root{
  --f-fill:#E8F0FB;--f-line:#1A56B0;--f-lbl:#1A56B0;
  --s-fill:#FFF8E1;--s-line:#D6A000;--s-lbl:#8A6800;
  --r-fill:#E8F5E9;--r-line:#2E7D32;--r-lbl:#2E7D32;
  --fail-fill:#FDECEA;--fail-line:#C62828;
  --warn-fill:#FFF3E0;--warn-line:#D97706;
  --tk-fill:#FFF6EF;
}
html[data-theme="dark"]{
  --f-fill:rgba(75,143,224,.13);--f-line:#4B8FE0;--f-lbl:#8DBBF0;
  --s-fill:rgba(214,160,0,.12);--s-line:#C9A227;--s-lbl:#E3BF5A;
  --r-fill:rgba(46,204,113,.11);--r-line:#3FBF6F;--r-lbl:#6FD496;
  --fail-fill:rgba(231,76,60,.15);--fail-line:#E5534B;
  --warn-fill:rgba(230,124,0,.15);--warn-line:#F0A040;
  --tk-fill:rgba(232,101,26,.10);
}
.calc-sec{padding:48px 0 40px}
.calc-intro{max-width:860px;margin:0 auto 6px;font-size:16.5px;color:var(--text)}
.badges{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;list-style:none;margin:18px 0 0;padding:0}
.badges li{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:5px 13px;font-size:13px;font-weight:600;color:var(--text)}
.badges li::before{content:"✓";color:var(--orange);margin-right:6px;font-weight:800}

/* tool */
.tool{display:grid;grid-template-columns:minmax(300px,410px) 1fr;gap:24px;margin-top:30px;align-items:start}
.ccard{background:var(--card);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:22px}
.ccard h2{font-size:22px;font-weight:700;color:var(--text);margin:0 0 14px;text-transform:uppercase;letter-spacing:.04em}
.inputs{position:sticky;top:96px;border-top:4px solid var(--navy)}
.results{border-top:4px solid var(--orange)}
.fields{display:grid;gap:12px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text);margin-bottom:4px}
.field .unit{font-weight:500;color:var(--steel);margin-left:4px;font-family:'IBM Plex Mono',monospace;font-size:12px}
.field input,.field select{width:100%;font:inherit;font-size:15px;padding:9px 11px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);color:var(--text);min-height:42px}
.field input:focus,.field select:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px var(--dim-blue)}
.field .help{display:block;font-size:12px;color:var(--steel);margin-top:3px}
.field[hidden]{display:none}
.cbtns{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.cbtns .btn{flex:1 1 auto;justify-content:center}
.cbtn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:'Rajdhani',sans-serif;font-weight:600;letter-spacing:.08em;text-transform:uppercase;font-size:15px;padding:12px 20px;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;line-height:1.1;transition:.2s}
.cbtn-blue{background:var(--navy);color:#fff}.cbtn-blue:hover{background:var(--navy-deep)}
.cbtn-line{background:transparent;border-color:var(--line);color:var(--text)}.cbtn-line:hover{border-color:var(--navy);color:var(--navy)}
.cbtn-or{background:var(--orange);color:#fff;box-shadow:0 6px 16px var(--orange-glow)}.cbtn-or:hover{background:var(--orange-deep)}
.cbtn-wa{background:#1FAF55;color:#fff}.cbtn-wa:hover{background:#178F45}
.cbtn[disabled]{opacity:.55;cursor:not-allowed}
.results-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.results-head h2{margin:0}
.pdf-note{font-size:12.5px;color:var(--steel);margin:12px 0 0}

/* summary cards */
.sum-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:16px}
.sum-card{border:1px solid var(--line);border-radius:8px;padding:12px 12px 10px;background:var(--bg-alt)}
.sum-card.st-pass{border-color:var(--r-line);background:var(--r-fill)}
.sum-card.st-fail{border-color:var(--fail-line);background:var(--fail-fill)}
.sum-card.st-warn{border-color:var(--warn-line);background:var(--warn-fill)}
.sum-label{font-size:12.5px;color:var(--steel);font-weight:600}
.sum-val{font-family:'Rajdhani',sans-serif;font-size:26px;font-weight:700;color:var(--text);line-height:1.2;margin:2px 0 4px;word-break:break-word}
.sum-unit{font-family:'Inter',sans-serif;font-size:13px;font-weight:600;color:var(--steel)}
.chip{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:10.5px;font-weight:600;letter-spacing:.1em;padding:2px 8px;border-radius:4px;color:#fff;background:#888}
.chip-pass{background:#2E7D32}.chip-fail{background:#C62828}.chip-warn{background:#C26A00}

/* steps */
.steps-d{border-top:1px solid var(--line);padding-top:10px}
.steps-d>summary{cursor:pointer;font-weight:700;color:var(--navy);padding:6px 0;list-style:none}
.steps-d>summary::-webkit-details-marker{display:none}
.steps-d>summary::before{content:"▸ "}.steps-d[open]>summary::before{content:"▾ "}
.step-list{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:14px}
.step-head{display:flex;align-items:center;gap:9px;margin-bottom:6px}
.step-no{flex:0 0 26px;height:26px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}
.step-title{font-weight:700;color:var(--text)}
.box{display:flex;align-items:center;gap:10px;border:1px solid;border-left-width:5px;padding:8px 10px;font-size:14px;line-height:1.5;color:var(--text)}
.box+.box{border-top:0}
.box-lbl{flex:0 0 74px;font-family:'IBM Plex Mono',monospace;font-size:10.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.box-txt{flex:1;min-width:0;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.box-formula{background:var(--f-fill);border-color:var(--f-line)}.box-formula .box-lbl{color:var(--f-lbl)}
.box-sol{background:var(--s-fill);border-color:var(--s-line)}.box-sol .box-lbl{color:var(--s-lbl)}
.box-res{background:var(--r-fill);border-color:var(--r-line);font-weight:700}.box-res .box-lbl{color:var(--r-lbl)}
.box-res.res-fail{background:var(--fail-fill);border-color:var(--fail-line)}.box-res.res-fail .box-lbl{color:var(--fail-line)}
.box-res.res-warn{background:var(--warn-fill);border-color:var(--warn-line)}.box-res.res-warn .box-lbl{color:var(--warn-line)}
.takeaways{margin-top:18px;background:var(--tk-fill);border-left:4px solid var(--orange);padding:12px 16px;border-radius:0 8px 8px 0}
.takeaways h3{margin:0 0 6px;font-size:18px;color:var(--text);text-transform:uppercase;letter-spacing:.04em}
.takeaways ul{margin:0;padding-left:18px}.takeaways li{margin:4px 0;font-size:14.5px}
.calc-note{font-size:12.5px;color:var(--steel);margin:10px 0 0}
.calc-error{background:var(--fail-fill);border:1px solid var(--fail-line);color:var(--text);border-radius:8px;padding:12px 14px}
.split{display:flex;height:16px;border-radius:8px;overflow:hidden;margin:4px 0 6px}
.split-legend{display:flex;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--steel);margin-bottom:14px}
.split-legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px;vertical-align:-1px}
.seg0{background:#1A56B0}.seg1{background:#E8651A}.seg2{background:#2E7D32}.seg3{background:#D6A000}.seg4{background:#7A869A}

/* service banner under the tool */
.svc-banner{display:flex;flex-wrap:wrap;align-items:center;gap:18px 24px;justify-content:space-between;background:linear-gradient(110deg,#0A1B3F,#1A56B0);color:#fff;border-radius:8px;padding:26px 28px;margin:30px 0 0}
.svc-banner .s-txt{flex:1 1 420px}
.svc-banner .s-k{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:#FFB98F}
.svc-banner h2{margin:4px 0 6px;font-size:26px;color:#fff}
.svc-banner p{margin:0;color:#C5D3EA}
.svc-banner .s-act{display:flex;flex-wrap:wrap;gap:10px}
.svc-banner .cbtn-line{color:#fff;border-color:rgba(255,255,255,.4)}.svc-banner .cbtn-line:hover{border-color:#fff;color:#fff}

/* long-form content */
.prose{max-width:860px;margin:0 auto}
.prose p{margin:0 0 12px}
.ex-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;max-width:1000px;margin:0 auto}
.ex-grid h3{font-size:20px;margin:0 0 8px;color:var(--text);text-transform:uppercase;letter-spacing:.04em}
table.ex{width:100%;border-collapse:collapse;font-size:14.5px}
table.ex th,table.ex td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--line);vertical-align:top}
table.ex th{width:58%;font-weight:500;color:var(--steel)}
table.ex td{font-weight:600;color:var(--text)}
.fm h3{font-size:20px;margin:22px 0 6px;color:var(--text)}
.fm .formula{margin:4px 0 6px;overflow-x:auto;overflow-y:hidden;padding:10px 12px;background:var(--f-fill);border-left:4px solid var(--f-line);border-radius:0 8px 8px 0;color:var(--text)}
.fm .formula .katex-display{margin:.2em 0}
.where{margin:4px 0 0;padding:0;list-style:none;font-size:14.5px;color:var(--steel)}
.where li{margin:2px 0}.where b{color:var(--text);font-weight:700;margin-right:6px}
.std{font-size:14px;color:var(--steel);margin:20px 0 0;padding-top:12px;border-top:1px dashed var(--line)}
.faq-l{max-width:860px;margin:0 auto}
.faq-l details{border:1px solid var(--line);background:var(--card);border-radius:8px;padding:0 18px;margin-bottom:10px}
.faq-l summary{cursor:pointer;font-weight:600;color:var(--text);list-style:none;position:relative;padding:15px 30px 15px 0}
.faq-l summary::-webkit-details-marker{display:none}
.faq-l summary::after{content:"+";position:absolute;right:0;top:9px;font-size:24px;color:var(--orange);font-weight:400}
.faq-l details[open] summary::after{content:"−"}
.faq-l details p{margin:0 0 15px;color:var(--steel)}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;max-width:1000px;margin:0 auto}
.relc{display:block;border:1px solid var(--line);border-radius:8px;padding:16px 18px;background:var(--card);transition:border-color .2s,transform .2s}
.relc:hover{border-color:var(--navy);transform:translateY(-2px)}
.relc b{display:block;font-family:'Rajdhani',sans-serif;font-size:19px;color:var(--text);margin-bottom:3px}
.relc span{font-size:13.5px;color:var(--steel)}
.center-link{text-align:center;margin:20px 0 0}
.center-link a,.prose a,.faq-l a{color:var(--navy);text-decoration:underline;text-underline-offset:2px}

/* hub */
.hub-group{margin-top:10px}
.hub-group+.hub-group{margin-top:44px}
.hub-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.hub-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-top:3px solid var(--navy);border-radius:8px;padding:20px;box-shadow:var(--shadow);transition:border-color .2s,transform .2s}
.hub-card:hover{border-color:var(--orange);transform:translateY(-3px)}
.hub-card b{font-family:'Rajdhani',sans-serif;color:var(--text);font-size:21px;margin-bottom:4px}
.hub-card span{color:var(--steel);font-size:14px;flex:1}
.hub-card em{font-style:normal;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.08em;color:var(--orange);margin-top:12px}

/* modal */
.modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:16px}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(6,13,24,.65)}
.modal-card{position:relative;background:var(--card);color:var(--text);border-radius:10px;border-top:4px solid var(--orange);max-width:470px;width:100%;padding:24px;box-shadow:0 20px 60px rgba(0,0,0,.35);max-height:calc(100vh - 32px);overflow:auto}
.modal-card h2{margin:0 0 6px;font-size:24px}
.modal-card>p{margin:0 0 14px;color:var(--steel);font-size:14.5px}
.modal-x{position:absolute;right:10px;top:8px;background:none;border:0;font-size:26px;color:var(--steel);cursor:pointer;width:40px;height:40px}
.mform{display:grid;gap:11px}
.chk{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:var(--steel)}
.chk input{margin-top:3px;width:16px;height:16px;flex:0 0 16px}
.hp{position:absolute;left:-5000px}
#report-msg{min-height:1.2em;margin:0;font-size:13.5px;color:var(--fail-line)}
body.modal-open{overflow:hidden}

@media (max-width:980px){.tool{grid-template-columns:1fr}.inputs{position:static}.ex-grid{grid-template-columns:1fr}}
@media (max-width:560px){
  .ccard{padding:18px 16px}
  .svc-banner{padding:22px 18px}
  .box{flex-wrap:wrap;gap:4px 10px}.box-lbl{flex-basis:100%}
  .sum-val{font-size:22px}
}
@media print{#hdr,footer,.svc-banner,.cta-band,.cbtns,.modal,.float-wa,.to-top{display:none!important}.tool{grid-template-columns:1fr}}