.calc{
  --panel:#0d0e10;
  --panel-2:#08090a;
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.06);
  --text-dim:rgba(255,255,255,.56);
  --text-faint:rgba(255,255,255,.34);
  --bad:#d4674a;
  width:100%;
  max-width:1160px;
  margin:0 auto;
  background:linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border:1px solid var(--line);
  border-radius:20px;
  padding:44px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:start;
  box-shadow:0 40px 90px rgba(0,0,0,.5);
}

.calc-copy{display:flex;flex-direction:column;min-width:0}

.calc-bottom{min-width:0}

.calc-eyebrow{
  display:flex;align-items:center;gap:10px;
  font-family:'Barlow Condensed',sans-serif;
  font-size:11px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;
  color:var(--gold);margin-bottom:18px;
}
.calc-eyebrow::before{content:'';width:22px;height:1px;background:var(--gold);opacity:.7}

.calc-title{
  font-family:'Barlow Condensed',sans-serif;
  font-weight:800;
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.14;
  letter-spacing:-.3px;
  color:#fff;
  margin:0 0 14px;
}

.calc-sub{
  font-size:14.5px;line-height:1.65;color:var(--text-dim);
  margin:0 0 30px;
  max-width:48ch;
}

.calc-field{margin-bottom:22px}
.calc-field-label{
  display:flex;align-items:baseline;justify-content:space-between;
  font-family:'Barlow Condensed',sans-serif;font-size:12.5px;letter-spacing:.5px;
  color:var(--text-faint);text-transform:uppercase;margin-bottom:10px;
}
.calc-field-val{color:var(--gold-bright);font-weight:700;font-size:13.5px;letter-spacing:.3px}

.calc input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:5px;border-radius:4px;
  background:rgba(255,255,255,.08);outline:none;cursor:pointer;
}
.calc input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  border:2px solid #14110a;cursor:pointer;
  box-shadow:0 2px 8px rgba(0,0,0,.4);
}
.calc input[type=range]::-moz-range-thumb{
  width:16px;height:16px;border-radius:50%;border:2px solid #14110a;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));cursor:pointer;
}

.calc-toggle{display:flex;gap:8px}
.calc-toggle-btn{
  flex:1;appearance:none;border:1px solid var(--line);background:rgba(255,255,255,.02);
  color:var(--text-dim);font-family:'Barlow Condensed',sans-serif;font-size:12.5px;font-weight:600;letter-spacing:.3px;
  padding:10px 12px;border-radius:10px;cursor:pointer;text-align:center;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.calc-toggle-btn:hover{color:#fff;border-color:rgba(255,255,255,.28)}
.calc-toggle-btn.is-active{
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  color:#181104;border-color:transparent;font-weight:700;
}

.calc-results{
  margin-top:8px;padding:22px;border-radius:14px;
  background:rgba(255,255,255,.025);border:1px solid var(--line);
}
.calc-results-row{display:flex;gap:16px;margin-bottom:16px}
.calc-results-card{flex:1;min-width:0}
.calc-results-label{
  font-family:'Barlow Condensed',sans-serif;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--text-faint);margin-bottom:6px;
}
.calc-results-num{
  font-family:'Barlow Condensed',sans-serif;font-weight:800;font-size:clamp(22px,2.4vw,30px);line-height:1;
}
.calc-results-num.is-bad{color:var(--bad)}
.calc-results-num.is-good{color:var(--gold-bright)}
.calc-results-sep{width:1px;background:var(--line-soft);flex-shrink:0}

.calc-savings{
  padding:14px 16px;border-radius:10px;font-size:13.5px;line-height:1.55;
  background:linear-gradient(100deg,rgba(201,168,76,.1) 0,rgba(255,255,255,.02) 60%);
  border:1px solid rgba(201,168,76,.22);border-left:3px solid rgba(201,168,76,.7);
}
.calc-savings b{color:var(--gold-bright);font-weight:700}
.calc-savings.is-neutral{
  background:rgba(255,255,255,.02);border-color:var(--line);border-left-color:rgba(255,255,255,.2);
}
.calc-savings.is-neutral b{color:#fff}

.calc-breakdown{margin-top:14px;font-size:12.5px;line-height:1.9;color:var(--text-faint)}
.calc-breakdown span{color:var(--text-dim)}

.calc-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;margin-bottom:16px}
.calc-btn-gold{
  appearance:none;text-decoration:none;cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  color:#181104;font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:14px;letter-spacing:.3px;
  border:none;border-radius:30px;padding:13px 22px;
  transition:transform .2s ease,filter .2s ease;
}
.calc-btn-gold:hover{filter:brightness(1.08);transform:translateY(-1px)}

.calc-footnote{
  font-size:11.5px;line-height:1.6;color:rgba(255,255,255,.28);
  padding-top:14px;border-top:1px solid var(--line-soft);
}

.calc-visual{display:flex;flex-direction:column;gap:16px;min-width:0}
.calc-swatch-wrap{
  position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line);
}
.calc-swatch-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;background:rgba(0,0,0,.3);
}
.calc-swatch-title{
  font-family:'Barlow Condensed',sans-serif;font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
}
.calc-swatch-title.bad-tone{color:var(--bad)}
.calc-swatch-title.good-tone{color:var(--gold-bright)}
.calc-swatch-years{
  font-family:'Barlow Condensed',sans-serif;font-size:11px;color:var(--text-faint);letter-spacing:.5px;
}
.calc-canvas{width:100%;height:150px;display:block}

@media (max-width:880px){
  .calc{grid-template-columns:1fr;padding:28px;gap:26px}
}
@media (max-width:480px){
  .calc{padding:20px}
  .calc-results-row{flex-direction:column;gap:14px}
  .calc-results-sep{display:none}
}