:root{
    --ink:#13233f;--ink-soft:#4a5a72;--muted:#5b6b82;
    --paper:#f4f7fb;--surface:#ffffff;--surface-2:#f8fafd;
    --line:#d6deea;--line-strong:#b8c4d6;
    --volt:#1a5c8d;--volt-bright:#4098c5;--navy:#06295e;--navy-deep:#021b4c;--green:#469c23;--amber:#e0a12b;--ember:#d2693a;--hot:#d2492e;--cool:#4098c5;--leaf:#469c23;--slate:#5b6b78;
    --focus:#4098c5;--shadow:0 1px 2px rgba(19,35,63,.05),0 8px 24px rgba(19,35,63,.06);--radius:14px;
    --accent:#06295e;--card:#ffffff;--bg:#f8fafd;
  }
  *{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{margin:0;background:var(--paper);color:var(--ink);font-family:"Libre Franklin",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5}
  .mono{font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
  .wrap{max-width:1060px;margin:0 auto;padding:0 22px}
  .thermal-line{height:4px;background:linear-gradient(90deg,var(--volt),var(--amber) 58%,var(--hot))}
  header.hero{padding:54px 0 34px}
  .eyebrow{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--volt);font-weight:500}
  h1{font-family:"Libre Franklin",sans-serif;font-weight:700;font-size:clamp(30px,5vw,46px);line-height:1.04;letter-spacing:-.02em;margin:.5rem 0 .55rem;max-width:18ch}
  .lede{font-size:clamp(15px,2vw,17px);color:var(--ink-soft);max-width:64ch;margin:0}
  .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
  .panel-pad{padding:22px}
  section.block{margin:14px 0}
  .block-head{display:flex;align-items:baseline;gap:12px;margin:0 0 14px}
  .num{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--volt);border:1px solid var(--line-strong);border-radius:6px;padding:2px 7px;font-weight:500}
  h2{font-family:"Libre Franklin",sans-serif;font-weight:600;font-size:19px;letter-spacing:-.01em;margin:0}
  .hint{color:var(--muted);font-size:13.5px;margin:.2rem 0 0}
  .grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 20px}
  .grid-sub{grid-column:1 / -1;display:flex;align-items:center;gap:10px;margin:6px 0 -4px;font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
  .grid-sub::after{content:"";flex:1;height:1px;background:var(--line)}
  .grid-sub:first-child{margin-top:0}
  @media(max-width:680px){.grid{grid-template-columns:1fr}}
  .field{display:flex;flex-direction:column;gap:6px;min-width:0}
  label.lab{font-size:13px;font-weight:600;color:var(--ink-soft)}
  .sub-lab{font-weight:400;color:var(--muted)}
  select,input[type=number]{font-family:inherit;font-size:16px;color:var(--ink);background:var(--surface-2);border:1px solid var(--line-strong);border-radius:9px;padding:10px 11px;width:100%;appearance:none;-webkit-appearance:none}
  select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236d807d' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:30px}
  input:focus,select:focus,button:focus-visible,.toggle:focus-within{outline:2.5px solid var(--focus);outline-offset:2px}
  .prefix{position:relative}
  .prefix span{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--muted);font-family:"IBM Plex Mono",monospace;font-size:15px}
  .prefix input{padding-left:24px}
  .chips{display:flex;flex-wrap:wrap;gap:9px}
  .toggle{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line-strong);background:var(--surface-2);border-radius:999px;padding:7px 13px;font-size:13.5px;cursor:pointer;user-select:none;color:var(--ink-soft);transition:all .12s}
  .toggle input{position:absolute;opacity:0;width:0;height:0}
  .toggle .dot{width:13px;height:13px;border-radius:4px;border:1.5px solid var(--line-strong);display:inline-block;flex:none}
  .toggle:has(input:checked){border-color:var(--volt);background:rgba(26,92,141,.08);color:var(--ink)}
  .toggle:has(input:checked) .dot{background:var(--volt);border-color:var(--volt);box-shadow:inset 0 0 0 2px #fff}
  .seg{display:inline-flex;border:1px solid var(--line-strong);border-radius:10px;overflow:hidden;background:var(--surface-2)}
  .seg-btn{font-family:inherit;font-size:13.5px;color:var(--ink-soft);background:transparent;border:0;padding:9px 16px;cursor:pointer;transition:all .12s}
  .seg-btn+.seg-btn{border-left:1px solid var(--line-strong)}
  .seg-btn.active{background:var(--volt);color:#fff;font-weight:500}
  .unit-input{display:flex;gap:8px}
  .unit-input input{flex:1}
  .unit-input select{width:auto;min-width:118px;flex:none}
  .fuel-break{margin-top:14px}
  .view-toggle{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin:2px 0 6px}
  .vt-lab{font-size:13px;font-weight:600;color:var(--ink-soft)}
  .view-hint{margin:0 0 6px}
  .run-id{margin:16px 0 0;font-size:12.5px;color:var(--muted);overflow-wrap:anywhere}
  .run-id .mono{color:var(--ink-soft)}
  .promo-note{margin-top:12px}
  .gate .guarantee-note{margin:14px 0 8px}
  .gate .guarantee-note a{color:var(--volt);font-weight:600}
  .fb-head{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-family:"IBM Plex Mono",monospace;margin-bottom:6px}
  .fb-row{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:baseline;padding:5px 0;border-bottom:1px dotted var(--line)}
  .fb-name{font-size:13.5px;color:var(--ink)}
  .fb-val{font-size:14px;color:var(--ink);font-weight:500;text-align:right}
  .fb-phys{font-size:12px;color:var(--muted);font-family:"IBM Plex Mono",monospace;text-align:right;min-width:96px}
  .actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:6px}
  button.calc{font-family:"Libre Franklin",sans-serif;font-weight:600;font-size:15.5px;letter-spacing:.01em;color:#fff;background:var(--ink);border:none;border-radius:10px;padding:13px 22px;cursor:pointer;transition:transform .1s,background .15s}
  button.calc:hover{background:#021b4c;transform:translateY(-1px)}
  button.calc:active{transform:translateY(0)}
  .err{color:var(--hot);font-size:13.5px;font-weight:500}
  /* The script shows results by removing the hidden attribute. (Until 2026-10-11 this rule hid
     #results unless it had a "show" class the thin client never adds, so results never appeared.) */
  #results{margin-top:4px;animation:rise .4s cubic-bezier(.2,.7,.2,1)}
  #results[hidden]{display:none}
  @keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
  .summary{display:grid;grid-template-columns:1.3fr 1fr;gap:14px}
  @media(max-width:760px){.summary{grid-template-columns:1fr}}
  .kpi-label{font-size:12px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);font-family:"IBM Plex Mono",monospace}
  .kpi-big{font-family:"Libre Franklin",sans-serif;font-weight:700;font-size:clamp(30px,5vw,42px);letter-spacing:-.02em;color:var(--volt);line-height:1.05;margin:.35rem 0 .15rem}
  .kpi-sub{font-size:13px;color:var(--muted);max-width:34ch}
  .kpi-foot{font-size:12px;color:var(--ink-soft);margin-top:10px;padding-top:10px;border-top:1px solid var(--line);max-width:40ch;line-height:1.45}
  .kpi-foot b{font-family:"IBM Plex Mono",monospace;font-weight:500;color:var(--ink)}
  .eu-bar{display:flex;height:30px;border-radius:8px;overflow:hidden;border:1px solid var(--line);margin:4px 0 14px}
  .eu-bar i{display:block;height:100%}
  .legend{display:flex;flex-wrap:wrap;gap:10px 16px}
  .legend .li{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--ink-soft)}
  .legend .sw{width:11px;height:11px;border-radius:3px;flex:none}
  .legend .v{font-family:"IBM Plex Mono",monospace;color:var(--muted)}
  .tier{margin:22px 0 6px;display:flex;align-items:baseline;gap:10px}
  .tier h3{font-family:"Libre Franklin",sans-serif;font-weight:600;font-size:16px;margin:0;letter-spacing:-.01em}
  .tier .t-meta{font-size:12.5px;color:var(--muted)}
  .rec{display:grid;grid-template-columns:1fr auto;gap:6px 18px;align-items:start;padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--surface);margin:9px 0;transition:box-shadow .15s,transform .1s}
  .rec:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
  .rec .name{font-weight:600;font-size:15.5px;display:flex;align-items:center;gap:9px;flex-wrap:wrap}
  .tag{font-size:11px;font-weight:600;letter-spacing:.03em;padding:2px 7px;border-radius:5px;text-transform:uppercase}
  .tag.diy{background:rgba(26,92,141,.1);color:#06295e}
  .tag.pro{background:rgba(74,90,114,.12);color:#4a5a72}
  .rec .basis{font-size:12.5px;color:var(--muted);margin-top:5px;max-width:62ch;line-height:1.55}
  .rec .tip{font-size:12.5px;color:var(--ink-soft);margin-top:5px;max-width:62ch;font-style:italic}
  .rec details.why{margin-top:7px}
  .rec details.why>summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--muted);user-select:none}
  .rec details.why>summary::-webkit-details-marker{display:none}
  .rec details.why>summary:hover{color:var(--ink-soft)}
  .rec details.why .chev{font-size:10px}
  .rec details.why .basis{margin-top:7px}
  .rec .incentive{font-size:12.5px;color:#9a6a12;margin-top:5px;max-width:62ch}
  .util{margin:18px 0 0;padding:16px 18px;border:1px solid var(--line);border-left:3px solid var(--volt);border-radius:10px;background:var(--surface-2)}
  .util h4{margin:0 0 6px;font-family:"Libre Franklin",sans-serif;font-size:15px}
  .util p{margin:0 0 8px;font-size:13.5px;color:var(--ink-soft);line-height:1.55;max-width:74ch}
  .util p:last-child{margin-bottom:0}
  .util a{color:var(--volt);font-weight:600}
  .util .u-steps{margin:8px 0 0;padding-left:18px;font-size:13.5px;color:var(--ink-soft);line-height:1.6}
  .rec .figs{text-align:right;white-space:nowrap}
  .save-amt{font-family:"IBM Plex Mono",monospace;font-weight:500;font-size:19px;color:var(--volt)}
  .save-cap{font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-family:"IBM Plex Mono",monospace}
  .cost-pay{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--ink-soft);margin-top:6px}
  .pay-scale{grid-column:1 / -1;margin-top:12px}
  .pay-track{position:relative;height:6px;border-radius:4px;background:linear-gradient(90deg,var(--volt),var(--amber) 56%,var(--hot))}
  .pay-marker{position:absolute;top:50%;width:13px;height:13px;border-radius:50%;background:#fff;border:2.5px solid var(--ink);transform:translate(-50%,-50%);box-shadow:0 1px 3px rgba(0,0,0,.2)}
  .pay-axis{display:flex;justify-content:space-between;font-size:10.5px;color:var(--muted);font-family:"IBM Plex Mono",monospace;margin-top:5px}
  details.assume{margin-top:18px}
  details.assume>summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:10px;padding:16px 20px;font-family:"Libre Franklin",sans-serif;font-weight:600;font-size:16px}
  details.assume>summary::-webkit-details-marker{display:none}
  .chev{transition:transform .2s;color:var(--muted)}
  details[open] .chev{transform:rotate(90deg)}
  .assume-body{padding:0 20px 22px}
  .a-note{font-size:13px;color:var(--muted);margin:0 0 16px;max-width:74ch}
  .a-group{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--volt);margin:18px 0 9px;border-top:1px solid var(--line);padding-top:14px}
  .shares-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px 14px}
  @media(max-width:680px){.shares-grid{grid-template-columns:repeat(2,1fr)}}
  .idx-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 14px;margin-top:14px;max-width:520px}
  .mini{display:flex;flex-direction:column;gap:4px}
  .mini label{font-size:12px;color:var(--ink-soft);font-weight:500}
  .mini .mlab-sub{color:var(--muted);font-weight:400}
  .mini input{padding:7px 9px;font-size:13.5px;width:100%;text-align:right}
  .mini .vin{display:block;width:100%}
  .mini .vin.pct input{padding-right:24px}
  .mini .vin.pct::after{font-size:12px;right:10px}
  .mini-status{font-size:11px;margin-top:3px}
  .sum-row{font-size:12.5px;color:var(--muted);margin-top:8px;font-family:"IBM Plex Mono",monospace}
  .a-table{width:100%;border-collapse:collapse;font-size:13px}
  .a-table th{text-align:left;font-weight:600;color:var(--muted);font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;padding:8px 8px;border-bottom:1px solid var(--line)}
  .a-table td{padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top}
  .a-table input{width:84px;padding:6px 8px;font-size:13px;text-align:right}
  .a-table td .vrow{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin:3px 0}
  .a-table td .vrow:first-child{margin-top:0}
  .a-table td .vrow:last-child{margin-bottom:0}
  .vlab{font-size:11px;color:var(--muted);white-space:nowrap;line-height:1.3;text-align:right}
  .vin{position:relative;display:inline-block;flex:0 0 auto}
  .a-table .vin input{width:92px;text-align:right}
  .vin.pct input{padding-right:22px}
  .vin.pct::after{content:"%";position:absolute;right:9px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:11.5px;pointer-events:none}
  .vin.usd input{padding-left:19px}
  .vin.usd::before{content:"$";position:absolute;left:9px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:11.5px;pointer-events:none}
  .a-table .src{color:var(--muted);font-size:12px;max-width:34ch}
  .a-table td.src{white-space:normal;word-break:normal;overflow-wrap:anywhere}
  details.srcmore>summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:6px;color:var(--volt);font-size:11.5px;font-weight:600;line-height:1.4;user-select:none;white-space:nowrap}
  details.srcmore>summary::-webkit-details-marker{display:none}
  details.srcmore>summary:hover{opacity:.75}
  details.srcmore .chev{transition:transform .2s;font-size:10px;display:inline-block}
  details.srcmore[open] .chev{transform:rotate(90deg)}
  details.srcmore .wc{font-weight:400;color:var(--muted);font-family:"IBM Plex Mono",monospace;font-size:10.5px}
  details.srcmore .full{margin-top:8px;font-size:12px;line-height:1.6;color:var(--muted);max-height:260px;overflow-y:auto;padding:2px 10px 2px 10px;border-left:2px solid var(--line);white-space:normal}
  .pill{display:inline-block;font-size:10px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:1px 6px;border-radius:4px;vertical-align:middle}
  .pill.src{background:rgba(26,92,141,.1);color:#06295e;margin-left:6px}
  .pill.ph{background:rgba(210,105,58,.13);color:#a04d22;margin-left:6px}
  .pill.inh{background:rgba(74,90,114,.12);color:#4a5a72}
  .pill.ovr{background:rgba(26,92,141,.13);color:#06295e}
  .reset-link{color:var(--volt);font-size:11.5px;margin-left:7px;text-decoration:underline;cursor:pointer}
  .reset-all{background:none;border:1px solid var(--line-strong);border-radius:8px;padding:7px 12px;font-size:12.5px;color:var(--ink-soft);cursor:pointer;font-family:inherit;margin-top:14px}
  .reset-all:hover{border-color:var(--volt);color:var(--volt)}
  footer.legal{margin:26px 0 60px;padding:18px 20px;border:1px dashed var(--line-strong);border-radius:12px;background:var(--surface-2);font-size:12.5px;color:var(--ink-soft);line-height:1.55}
  footer.legal b{color:var(--ink)}
  @media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---- thin-client additions: teaser gate, tiers, overrides panel ---- */
.gate{margin-top:18px;border:1px solid var(--line,#d6deea);border-radius:14px;padding:22px;background:var(--card,#ffffff)}
.gate h3{margin:0 0 6px;font-family:'Libre Franklin',sans-serif;font-size:19px}
.gate p{margin:0 0 16px;color:var(--muted,#5b6b82);font-size:14px;line-height:1.5}
.tiers{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tiers.single{grid-template-columns:minmax(0,560px)}   /* one plan on sale (2026-10-12) */
@media(max-width:560px){.tiers{grid-template-columns:1fr}}
.tier{border:1px solid var(--line,#d6deea);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:10px;background:var(--bg,#f8fafd)}
.tier.best{border-color:var(--accent,#06295e)}
.tier .price{font-family:'IBM Plex Mono',monospace;font-size:26px;font-weight:600}
.tier .tlabel{font-weight:600;font-size:15px}
.tier .tdesc{color:var(--muted,#5b6b82);font-size:13px;line-height:1.45;flex:1}
.tier button{margin-top:6px;padding:12px 14px;border-radius:10px;border:0;cursor:pointer;font-weight:600;font-family:inherit;background:var(--accent,#06295e);color:#fff;font-size:15px}
.tier button.alt{background:transparent;border:1px solid var(--accent,#06295e);color:var(--accent,#06295e)}
.tier .tag-best{align-self:flex-start;font-size:11px;letter-spacing:.06em;text-transform:uppercase;background:var(--accent,#06295e);color:#fff;padding:2px 8px;border-radius:999px;font-weight:700}
.ov-panel{margin-top:20px;border:1px solid var(--line,#d6deea);border-radius:14px;padding:20px;background:var(--card,#ffffff)}
.ov-panel h3{margin:0 0 4px;font-family:'Libre Franklin',sans-serif;font-size:17px}
.ov-panel .hint{margin:0 0 14px}
.ov-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.ov-grid label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted,#5b6b82)}
.ov-grid input{padding:8px;border-radius:8px;border:1px solid var(--line,#d6deea);background:var(--bg,#f8fafd);color:inherit;font-family:'IBM Plex Mono',monospace}
.ov-actions{margin-top:14px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.ov-actions button{padding:10px 16px;border-radius:9px;border:0;cursor:pointer;font-weight:600;font-family:inherit;background:var(--accent,#06295e);color:#fff}
.ov-actions .reset{background:transparent;border:1px solid var(--line,#d6deea);color:var(--muted,#5b6b82)}
.ov-note{font-size:12px;color:var(--muted,#5b6b82)}
.locked-note{margin-top:14px;padding:12px 14px;border-radius:10px;border:1px dashed var(--line,#d6deea);font-size:13px;color:var(--muted,#5b6b82)}
.busy{opacity:.55;pointer-events:none}
.paidflag{display:inline-block;font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--accent,#06295e);border:1px solid var(--accent,#06295e);border-radius:999px;padding:2px 8px;margin-left:8px}

/* Fuel-switch explanatory callout (why no heat pump for a fossil-heated home) */
.switch-note{margin-top:16px;padding:14px 16px;border-left:3px solid #c8a24a;background:#faf6ec;border-radius:6px;font-size:14px;line-height:1.55;color:#4a4436}

/* ---- launch additions (2026-09-30) ------------------------------------------------ */
.hooks{display:grid;gap:8px;margin-top:14px}
.hook{background:rgba(26,92,141,.07);border:1px solid rgba(26,92,141,.25);border-radius:10px;padding:10px 13px;font-size:14.5px;color:var(--ink)}
.flash{background:#fff7e6;border:1px solid var(--amber);border-radius:10px;padding:11px 14px;margin:14px 0;font-size:14.5px}
.report-actions .ra-buttons{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.report-actions button{font-family:"Libre Franklin",sans-serif;font-weight:600;font-size:15px;border-radius:10px;padding:11px 18px;cursor:pointer;border:1px solid var(--ink);background:var(--ink);color:#fff}
.report-actions button.alt{background:var(--surface);color:var(--ink)}
.report-actions .ra-link{margin-top:10px;font-size:12.5px;color:var(--muted);word-break:break-all}
.report-actions .ra-msg{margin-top:8px;font-size:13.5px;color:var(--ink-soft)}
details.notes{margin-top:6px}
details.notes summary{font-size:12.5px;color:var(--muted);cursor:pointer}
select.needs-choice{border-color:var(--hot);box-shadow:0 0 0 2px rgba(210,73,46,.15)}
footer.site-foot{margin:36px 0 28px;padding:18px 0 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
footer.site-foot nav{display:flex;flex-wrap:wrap;gap:6px 16px;margin:8px 0}
footer.site-foot a{color:var(--ink-soft)}
body.plain{background:var(--paper)}
.confirm{max-width:560px;margin:12vh auto;padding:0 20px;text-align:center}
.confirm h1{max-width:none}
.confirm a{color:var(--volt)}
.spin{width:34px;height:34px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--volt);margin:22px auto;animation:sp 1s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
main.legal{max-width:760px;margin:6vh auto;padding:0 22px}
main.legal h1{max-width:none}
main.legal h2{margin-top:24px}
.draft-banner{background:#fff1ee;border:1px solid var(--hot);border-radius:10px;padding:10px 14px;font-weight:600;color:var(--hot)}
input.needs-choice{border-color:var(--hot);box-shadow:0 0 0 2px rgba(210,73,46,.15)}
.field.bills{grid-column:1 / -1}
.bill-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:8px;margin-top:6px}
.bill-grid .bm{display:flex;flex-direction:column;gap:3px;font-size:12px;color:var(--muted)}
.bill-grid input{width:100%}
.bill-status{margin-top:6px;font-size:12.5px;color:var(--ink-soft)}
.nudge{margin:6px 0 10px;padding:9px 12px;border-left:3px solid var(--volt);background:rgba(26,92,141,.07);font-size:13.5px;color:var(--ink)}
button.linkish{margin-top:8px;background:none;border:none;padding:0;color:var(--volt);font-size:13px;cursor:pointer;text-decoration:underline}
button.linkish.quiet{color:var(--muted)}
.bill-grid input.usage{margin-top:4px;font-size:12.5px}
label.chk{display:flex;gap:8px;align-items:flex-start;margin-top:8px;font-size:13px;color:var(--ink-soft)}

/* Brolte site bar on the tool's pages */
.topbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;padding:10px 0 4px}
.topbar img{height:40px;width:auto;display:block}
.topbar .product{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--ink-soft)}

/* ---- ladder language and the always-visible "about" sections (2026-10-11) ---------- */
.hero-links{margin:14px 0 0;font-size:14px;color:var(--muted)}
.hero-links a{color:var(--volt);font-weight:600}
.topbar img{height:40px;width:auto}
.rung-group{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin:22px 0 4px;padding-top:12px;border-top:3px solid var(--green)}
.rung-group:first-of-type{margin-top:6px}
.rung-group h3{margin:0;font-size:16px;font-weight:700;color:var(--navy)}
.rung-group span{font-size:12.5px;color:var(--muted)}
.rung-n{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--volt);border:1px solid var(--line-strong);border-radius:5px;padding:1px 6px;margin-right:2px}
section.about h2{font-size:22px;color:var(--navy);margin:0 0 12px}
section.about p{color:var(--ink-soft);max-width:72ch;line-height:1.6}
section.about a{color:var(--volt);font-weight:600}
ol.how{list-style:none;margin:6px 0 18px;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media(max-width:760px){ol.how{grid-template-columns:1fr}}
ol.how li{display:flex;gap:12px;align-items:baseline}
ol.how h3{margin:0 0 4px;font-size:16px;color:var(--navy)}
ol.how p{margin:0;font-size:14px}
ol.ladder-ex{list-style:none;margin:14px 0;padding:0 14px;display:flex;flex-direction:column-reverse;border-left:4px solid var(--volt-bright);border-right:4px solid var(--volt-bright);max-width:720px}
ol.ladder-ex li{display:grid;grid-template-columns:76px 1fr auto;gap:4px 14px;align-items:baseline;padding:12px 2px;border-top:3px solid var(--green)}
ol.ladder-ex .rung{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--volt);text-transform:uppercase;letter-spacing:.04em}
ol.ladder-ex .lvl{display:block;font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
ol.ladder-ex .nums{font-family:"IBM Plex Mono",monospace;font-size:13.5px;color:var(--ink-soft);text-align:right}
@media(max-width:560px){ol.ladder-ex li{grid-template-columns:1fr}ol.ladder-ex .nums{text-align:left}}
.get{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}   /* free + one paid version (2026-10-12) */
@media(max-width:760px){.get{grid-template-columns:1fr}}
.get>div{border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--surface-2)}
.get h3{margin:4px 0 6px;font-size:16px;color:var(--navy)}
.get p{margin:0;font-size:14px}
.get-price{font-size:14px;color:var(--volt);font-weight:600}
details.faq{border-top:1px solid var(--line);padding:12px 0}
details.faq:last-of-type{border-bottom:1px solid var(--line)}
details.faq>summary{cursor:pointer;font-weight:600;color:var(--navy);list-style:none}
details.faq>summary::-webkit-details-marker{display:none}
details.faq>summary::before{content:"+";display:inline-block;width:1.2em;color:var(--volt);font-family:"IBM Plex Mono",monospace}
details.faq[open]>summary::before{content:"\2212"}
details.faq p{margin:8px 0 0 1.2em}

/* Free summary layout (fixed 2026-10-11, when the results panel was first seen rendered): heading
   across the top; the bill bar and its legend on the left; the savings figure on the right. */
.summary{grid-template-areas:"head head" "bars kpi";align-items:start;column-gap:32px}
.summary>.block-head{grid-area:head}
.summary>.eu-wrap{grid-area:bars}
.summary>div:last-child{grid-area:kpi;margin-top:0!important}
@media(max-width:760px){.summary{grid-template-areas:"head" "bars" "kpi"}}
.legend .dot{width:11px;height:11px;border-radius:3px;flex:none;display:inline-block}

/* Rung cards: amount top right, "saves on" under it; the explanation and rebate note run full width
   (a long rebate note used to land in the narrow right column and squeeze the card). */
.rec .save-amt{grid-column:2;grid-row:1;text-align:right}
.rec .basis{grid-column:2;grid-row:2;text-align:right;margin-top:6px}
.rec .name,.rec .cost-pay{grid-column:1}
.rec details.why,.rec .incentive{grid-column:1 / -1}
@media(max-width:560px){.rec .save-amt,.rec .basis{grid-column:1;grid-row:auto;text-align:left}}
.get + .hint{margin-top:14px}

/* PHONES AND TOUCH SCREENS (checked 2026-10-12 at 360, 375, 390 and 430 px wide and on a 768 px tablet,
   in Chromium with mobile emulation). */
@media (pointer: coarse), (max-width: 680px){
  /* iOS Safari zooms into any field whose text is under 16px when it is tapped, and stays zoomed. */
  select, input:not([type=checkbox]):not([type=radio]), textarea, .bill-grid input.usage{font-size:16px}
  label.chk input[type=checkbox]{width:18px;height:18px;flex:none;margin-top:1px}
  /* Stand-alone controls get a target at least 24px tall (WCAG 2.5.8). */
  .rec details.why>summary{padding:6px 0;font-size:13px}
  details.srcmore>summary,details.notes summary,button.linkish{padding-top:6px;padding-bottom:6px}
  footer.site-foot nav a{display:inline-block;padding:4px 0}
}
@media (max-width: 680px){
  .grid-sub,.fb-head,.tag,.save-cap,.paidflag,.rung-n,ol.ladder-ex .lvl,.tier .tag-best{font-size:12px}
}