/* =====================================================================
   VOLTAGE TECH - Solar & backup sizing tool
   Layers on style.css. Same tokens, same Sora/Inter, same volt green.
   Nothing here redefines a brand colour, it only uses them.
   ===================================================================== */

.calc-wrap{max-width:900px;margin:0 auto;padding:0 24px}

/* ------------------------------------------------------------ steps */
.calc-step{padding:52px 0;border-bottom:1px solid var(--line)}
.calc-step:last-of-type{border-bottom:none}
.calc-step-head{display:flex;align-items:center;gap:15px;margin-bottom:10px}
.stepno{flex:none;width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--volt),var(--volt-2));color:#04141a;
  font-family:'Sora';font-weight:800;font-size:15px;display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(112,240,0,.28)}
.calc-step h2{font-size:clamp(24px,3.2vw,33px);margin:0}
.calc-step .lede{color:var(--ink-2);font-size:16px;margin:0 0 28px;max-width:58ch}

.num{font-variant-numeric:tabular-nums}

/* ------------------------------------------------------- bill input */
.billbox{background:var(--paper);border:1px solid var(--line);border-radius:20px;
  padding:28px 28px 24px;box-shadow:0 8px 30px rgba(13,17,23,.06)}
.billrow{display:flex;align-items:baseline;gap:12px;border-bottom:2.5px solid var(--ink);padding-bottom:10px}
.billrow .cur{font-family:'Sora';font-weight:800;font-size:32px;color:#9aa6b6}
#billInput{width:100%;border:0;outline:0;background:transparent;color:var(--ink);
  font-family:'Sora';font-weight:800;font-size:clamp(42px,11vw,60px);line-height:1;
  letter-spacing:-.03em;padding:0;font-variant-numeric:tabular-nums}
#billInput::-webkit-outer-spin-button,#billInput::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
#billInput{-moz-appearance:textfield}

input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:38px;
  background:transparent;margin-top:14px;padding:0}
input[type=range]::-webkit-slider-runnable-track{height:5px;border-radius:3px;background:var(--paper-3)}
input[type=range]::-moz-range-track{height:5px;border-radius:3px;background:var(--paper-3)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;
  margin-top:-10.5px;background:linear-gradient(135deg,var(--volt),var(--volt-2));border:3px solid #fff;
  box-shadow:0 3px 14px rgba(112,240,0,.5);cursor:pointer}
input[type=range]::-moz-range-thumb{width:26px;height:26px;border-radius:50%;
  background:linear-gradient(135deg,var(--volt),var(--volt-2));border:3px solid #fff;
  box-shadow:0 3px 14px rgba(112,240,0,.5);cursor:pointer}

.readout{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  color:var(--ink-2);font-size:15px}
.readout b{color:var(--ink);font-family:'Sora';font-weight:700}

/* ------------------------------------------------------- goal chips */
.goal-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.goal{display:block;width:100%;text-align:left;cursor:pointer;background:var(--paper);
  border:1.5px solid var(--line);border-radius:14px;padding:20px 22px;transition:.22s;
  font-family:inherit;position:relative;overflow:hidden}
.goal:hover{border-color:rgba(63,155,0,.45);transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(13,17,23,.08)}
.goal .t{display:block;font-family:'Sora';font-weight:700;font-size:16.5px;color:var(--ink)}
.goal .s{display:block;font-size:13.5px;line-height:1.5;color:var(--ink-2);margin-top:5px}
.goal[aria-pressed="true"]{border-color:var(--volt-2);background:rgba(112,240,0,.08);
  box-shadow:0 10px 26px rgba(112,240,0,.14)}
.goal[aria-pressed="true"] .s{color:var(--volt-ink)}
.goal[aria-pressed="true"]::after{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--volt),transparent)}

/* =====================================================================
   The DB board. Each breaker is a system we install.
   Your bill flips one live.
   ===================================================================== */
.board{background:var(--paper);border:1px solid var(--line);border-radius:20px;
  padding:24px 22px 22px;box-shadow:0 8px 30px rgba(13,17,23,.06)}
.board-head{display:flex;justify-content:space-between;align-items:baseline;
  font-family:'Sora';font-weight:700;font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-2);margin-bottom:15px}
.board-head b{color:var(--volt-ink)}

.rail{display:flex;gap:6px;align-items:stretch;background:var(--paper-2);
  border:1px solid var(--line);border-radius:10px;padding:12px 10px;position:relative}
.rail::before,.rail::after{content:"";position:absolute;left:10px;right:10px;height:2px;background:var(--line)}
.rail::before{top:4px}
.rail::after{bottom:4px}

.breaker{flex:1 1 0;min-width:0;background:var(--paper);border:1px solid var(--line);
  border-radius:9px;padding:10px 3px 9px;text-align:center;transition:.25s;position:relative}
.breaker .rating{font-family:'Sora';font-weight:800;font-size:15px;color:#9aa6b6;transition:.25s}
.breaker .unit{display:block;font-size:8.5px;font-weight:600;letter-spacing:.08em;
  color:#9aa6b6;margin-top:3px}
.toggle{margin:9px auto 0;width:16px;height:28px;border-radius:3px;background:var(--paper-3);
  position:relative;transition:.25s}
.toggle i{position:absolute;left:2px;right:2px;height:12px;border-radius:2px;
  background:#c3ccd6;bottom:2px;transition:.25s}
.breaker.on .toggle{background:var(--paper-3)}
.breaker.on .toggle i{bottom:auto;top:2px;background:var(--ink)}
.breaker.on .rating{color:var(--ink)}
.breaker.live{border-color:var(--volt-2);background:rgba(112,240,0,.1);
  box-shadow:0 6px 22px rgba(112,240,0,.32);transform:translateY(-3px)}
.breaker.live .toggle{background:rgba(63,155,0,.22)}
.breaker.live .toggle i{bottom:auto;top:2px;background:var(--volt-2)}
.breaker.live .rating,.breaker.live .unit{color:var(--volt-ink)}
.breaker.live::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-15px;
  width:8px;height:8px;border-radius:50%;background:var(--volt);
  box-shadow:0 0 10px var(--volt);animation:pulse 2s infinite}

.board-foot{margin-top:24px;padding-top:15px;border-top:1px solid var(--line);
  color:var(--ink-2);font-size:14.5px}
.board-foot b{color:var(--ink);font-family:'Sora';font-weight:700}

.supply{margin-top:22px}
.supplybar{display:flex;height:36px;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.supplybar span{display:flex;align-items:center;justify-content:center;
  font-family:'Sora';font-weight:700;font-size:12px;
  transition:flex-basis .55s cubic-bezier(.4,0,.2,1);white-space:nowrap;overflow:hidden}
.seg-roof{background:linear-gradient(135deg,var(--volt),var(--volt-2));color:#04141a}
.seg-grid{background:var(--paper-3);color:var(--ink-2)}
.supplykey{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-2);margin-top:9px}

/* =====================================================================
   RESULT - sits on the dark band so the green does the talking
   ===================================================================== */
.band.dark .calc-step{border-bottom-color:var(--dline)}
.band.dark .calc-step h2{color:#fff}
.band.dark .calc-step .lede{color:var(--muted-d)}

.result{background:linear-gradient(160deg,var(--dark-3),var(--dark));
  border:1px solid var(--dline);border-top:3px solid var(--volt);border-radius:22px;
  padding:34px 32px;color:#fff;box-shadow:0 30px 70px rgba(0,0,0,.45)}
.result .eyebrow{color:var(--volt);margin-bottom:12px}
.result h2{font-size:clamp(25px,3.2vw,34px);margin:0 0 8px;color:#fff}
.result .fitline{font-weight:600;font-size:14.5px;color:var(--volt)}

.specs{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--dline);
  border-radius:14px;margin-top:24px;overflow:hidden;background:rgba(255,255,255,.02)}
.spec{padding:20px 8px;text-align:center;border-right:1px solid var(--dline)}
.spec:last-child{border-right:none}
.spec .v{display:block;font-family:'Sora';font-weight:800;font-size:28px;line-height:1;color:#fff}
.spec .l{display:block;font-size:10px;font-weight:600;letter-spacing:.11em;text-transform:uppercase;
  color:var(--muted-d);margin-top:8px}

.pricebar{margin-top:18px;padding:22px 24px;background:rgba(255,255,255,.04);
  border:1px solid var(--dline);border-radius:14px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.pricebar .p{font-family:'Sora';font-weight:800;font-size:34px;line-height:1;letter-spacing:-.02em;
  background:linear-gradient(120deg,var(--volt),var(--volt-light));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.pricebar .n{font-size:12.5px;line-height:1.5;color:var(--muted-d);margin-top:8px;max-width:32ch}
.coc{flex:none;background:linear-gradient(135deg,var(--volt),var(--volt-2));color:#04141a;
  font-family:'Sora';font-weight:700;font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;
  padding:10px 13px;border-radius:9px;white-space:nowrap}

.outcomes{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.oc{border:1px solid var(--dline);border-left:3px solid var(--volt);border-radius:11px;
  padding:17px 18px;background:rgba(255,255,255,.02)}
.oc .v{font-family:'Sora';font-weight:800;font-size:24px;line-height:1;color:#fff}
.oc .l{font-size:12.5px;color:var(--muted-d);margin-top:7px}

.result-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.result-cta .btn{flex:1;justify-content:center;min-width:180px}

.custom{background:var(--paper);border:1px solid var(--line);border-radius:20px;
  padding:28px;margin-top:18px}
.custom h3{font-family:'Sora';font-size:21px;margin:0 0 9px;color:var(--ink)}
.custom p{color:var(--ink-2);font-size:15px;margin:0 0 20px}

/* --------------------------------------------------- assumptions */
.assump{background:var(--paper-3);border-top:1px solid var(--line);padding:38px 0}
.assump h4{font-family:'Sora';font-weight:700;font-size:13px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-2);margin:0 0 13px}
.assump p{font-size:13.5px;line-height:1.75;color:var(--ink-2)}
.assump b{color:var(--ink);font-weight:600}

/* ------------------------------------------------------- responsive */
@media(max-width:760px){
  .goal-grid{grid-template-columns:1fr}
  .calc-step{padding:38px 0}
  .billbox{padding:22px 20px 20px}
  .result{padding:26px 22px}
  .pricebar{padding:18px}
  .spec{padding:15px 4px}
  .spec .v{font-size:23px}
  .rail{gap:4px;padding:10px 8px}
  .breaker{padding:8px 2px 7px}
  .breaker .rating{font-size:13px}
  .toggle{width:13px;height:24px}
}
@media(max-width:460px){
  .outcomes{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  .breaker.live::after{animation:none}
  .supplybar span{transition:none}
}