*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--ss);font-size:17px;line-height:1.5}button,input,select{font:inherit;color:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer;border:1px solid #beb8ac;background:#fff;padding:11px 16px;border-radius:9px;font-weight:600;min-height:44px}button:hover{background:var(--green-bg);border-color:var(--green-d)}a{color:var(--green-d)}:focus-visible{outline:3px solid var(--green-d);outline-offset:3px}[hidden]{display:none!important}main{max-width:1232px;padding:32px 24px 40px;margin:auto}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px}.eyebrow{font-size:13px;font-weight:700;color:var(--green-d);letter-spacing:.09em;text-transform:uppercase;margin:0 0 8px}h1,h2,h3{font-family:var(--ls);font-weight:700;line-height:1.12}h1{font-size:clamp(30px,3.2vw,42px);letter-spacing:-.025em;margin:0 0 9px}h2{font-size:27px;margin:0}h3{font-size:21px;margin:27px 0 16px}.lead{color:var(--muted);margin:0;font-size:17px}.quiet{font-size:14px;white-space:nowrap;background:transparent}.source-note{font-size:14px;color:var(--muted);margin:14px 0 23px}.calculator-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:26px;align-items:start}.input-section{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;margin-bottom:18px}.section-heading,.result-header{display:flex;align-items:center;gap:12px;margin-bottom:22px}.step{font-family:var(--ls);font-weight:700;font-size:16px;width:33px;height:33px;display:flex;align-items:center;justify-content:center;background:var(--green-bg);color:var(--green-d);border-radius:8px;flex:none}.fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px 18px}.full{grid-column:1/-1}label{display:block;font-size:16px;font-weight:600}.unit{font-size:14px;font-weight:400;color:var(--muted);display:block}input:not([type=range]),select{display:block;width:100%;min-width:0;min-height:50px;border:1px solid #bbb7ae;background:#fdfcf9;border-radius:9px;padding:10px 12px;margin-top:7px;font-size:19px;font-variant-numeric:tabular-nums}select{font-size:17px}input[aria-invalid=true]{border:2px solid var(--red);background:var(--red-bg)}input.range{width:100%;height:24px;display:block;margin:9px 0 0;accent-color:var(--green-d);cursor:pointer}.range[hidden]{display:none}small,.help{font-size:14px;font-weight:400;color:var(--muted);line-height:1.45}label small{display:block;margin-top:8px}.help{margin:12px 0 0}.assumption{padding:17px;background:#fffaeb;border:1px solid #efd48c;border-left:4px solid var(--green);border-radius:10px}.assumption p{font-size:14px;color:var(--muted);margin:10px 0}.assumption-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px}.assumption-footer button{font-size:14px;padding:8px 10px;flex-shrink:0}.form-actions{display:flex;align-items:center;gap:18px;padding:4px 0 18px}.form-actions button{font-size:15px;flex:none}.form-actions p{font-size:14px;color:var(--muted);margin:0}.results{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;scroll-margin-top:18px}.result-header{margin-bottom:20px;flex-wrap:wrap;gap:10px}.live-label{font-size:13px;color:var(--muted);margin-left:auto}.balance{background:var(--ink);color:#fff;border-radius:12px;padding:23px}.balance p{margin:0;font-size:15px;color:#e7e1d5}.balance>strong{font-family:var(--ls);font-size:clamp(38px,4vw,53px);line-height:1.1;display:block;margin:10px 0 0;color:var(--green);letter-spacing:-.025em;font-variant-numeric:tabular-nums}.balance.is-burden>strong{color:#ffd5b4}.balance-equation{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;border-top:1px solid #57524b;padding-top:16px;margin-top:19px;align-items:start}.balance-equation b{font-size:19px;font-weight:600;white-space:nowrap}.balance-equation small{display:block;color:#d9d2c8;font-size:13px;margin-top:3px}.balance-equation>span:last-child{text-align:right}.year-saving{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);font-size:15px}.year-saving strong{font-family:var(--ls);font-size:25px;white-space:nowrap;color:var(--green-d)}.result-section h3{margin:22px 0 16px}.cost-row{margin-bottom:15px}.cost-row>div:first-child{display:flex;justify-content:space-between;gap:12px;font-size:16px}.cost-row strong{font-variant-numeric:tabular-nums}.bar-track{height:8px;background:#f0eeea;margin-top:8px;border-radius:3px;overflow:hidden}.bar-track span{height:100%;display:block;transition:width .15s}.old-bar{width:100%;background:#5f5651}.new-bar{width:18%;background:var(--green)}details summary{cursor:pointer;font-size:15px;font-weight:600;min-height:44px;padding:12px 0}details summary:hover{color:var(--green-d)}.numbers{margin:0;font-size:15px}.numbers>div{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px solid #eeece7}.numbers dt{color:var(--muted)}.numbers dd{margin:0;text-align:right;font-weight:600;font-variant-numeric:tabular-nums;flex-shrink:0}.numbers .subtotal{border-bottom:2px solid #d5cec0}.subtotal dt{color:var(--ink);font-weight:600}.limit-note{background:var(--green-bg);font-size:14px;padding:12px;border-radius:8px}.term-section{border-top:1px solid var(--line);margin-top:20px}.method{margin-top:28px;border-top:1px solid var(--line);font-size:15px;color:var(--muted);max-width:100%}.method>div{max-width:900px}.method summary{font-size:17px;color:var(--ink)}footer{color:var(--muted);font-size:14px;margin-top:26px}#error,.error{border:1px solid var(--red);background:var(--red-bg);color:#91203a;padding:15px;border-radius:10px}#result-values.invalid{display:none}.mobile-result{display:none}.sr-only,.skip-link:not(:focus){position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link:focus{position:absolute;z-index:100;top:8px;left:8px;background:white;padding:12px}
.price-growth{padding-top:18px;border-top:1px solid var(--line)}.long-term-saving{margin-top:18px;padding:18px;background:#fffaeb;border:1px solid #efd48c;border-radius:10px}.long-term-saving>p:first-child{font-size:16px;font-weight:600;margin:0}.long-term-saving>strong{display:block;margin:7px 0 10px;font:700 clamp(26px,2.8vw,34px)/1.2 var(--ls);font-variant-numeric:tabular-nums;color:var(--green-d);overflow-wrap:anywhere}.projection-note{font-size:14px;color:var(--muted);line-height:1.45;margin:7px 0 0}
.cost-reveal{border-color:#efd48c;background:#fffaeb}.estimate-kicker{font-size:14px;font-weight:700;color:var(--green-d);margin:0 0 10px}.cost-reveal h2{font-size:25px;line-height:1.25}.cost-reveal>label{margin-top:20px}.cost-reveal>button{margin:16px 0;background:var(--ink);color:#fff;border-color:var(--ink)}.cost-reveal>button:hover{background:#39332c}.cost-cover,.cost-projection{border-radius:10px;padding:20px;background:var(--ink);color:#fff}.cost-cover{text-align:center}.cost-cover>strong,.cost-projection>strong{display:block;font:700 clamp(28px,3vw,38px)/1.2 var(--ls);color:var(--green);overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.cost-cover p,.cost-projection p{font-size:14px;line-height:1.5;margin:10px 0 0;color:#e7e1d5}.cost-projection>p:first-child{margin:0 0 10px;font-size:16px;color:#fff}.guess-comparison{border-top:1px solid #57524b;margin-top:16px;padding-top:6px}.guess-error{font-size:14px;color:#91203a;margin:10px 0 0}.guess-comparison b{white-space:nowrap}
.calculation-action{margin:0 0 20px}.calculation-action>button{width:100%;min-height:54px;background:var(--green);color:var(--ink);border-color:var(--green-d);font-size:19px}.calculation-action>button:hover{background:#ffd166}
@media print{.calculation-action{display:none!important}}
@media(min-width:1050px){.results{position:sticky;top:20px}}
@media(max-width:1050px){.calculator-layout{gap:18px;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}.input-section,.results{padding:20px}.fields{gap:18px 14px}.assumption-footer{align-items:flex-start;flex-direction:column}.balance{padding:19px}.year-saving{align-items:flex-start;flex-direction:column;gap:5px}}
@media(max-width:780px){main{padding:25px 16px 30px}.calculator-layout{grid-template-columns:1fr}.page-heading{align-items:flex-start;flex-direction:column;gap:14px}.quiet{min-height:40px}.source-note{margin:14px 0 16px}.mobile-result{display:grid;grid-template-columns:1fr auto;gap:3px 14px;align-items:center;padding:15px 17px;margin:0 0 19px;background:var(--ink);color:white;text-decoration:none;border-radius:11px;font-size:14px}.mobile-result strong{grid-row:1/3;grid-column:2;color:var(--green);font:700 28px var(--ls);white-space:nowrap}.mobile-result>span:last-child{color:#e8c977;font-size:13px}.year-saving{flex-direction:row;align-items:center}.results{scroll-margin-top:15px}.balance>strong{font-size:44px}.assumption-footer{flex-direction:row;align-items:center}.live-label{font-size:13px}}
@media(max-width:440px){.input-section,.results{padding:18px}.fields{grid-template-columns:1fr}.full{grid-column:auto}.assumption{padding:14px}.assumption-footer{flex-direction:column;align-items:flex-start}.form-actions{align-items:flex-start;flex-direction:column;gap:10px}.year-saving{font-size:14px}.year-saving strong{font-size:23px}.numbers{font-size:14px}.numbers>div{gap:10px}.live-label{display:none}h1{font-size:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.pv-choice,.pv-fields{border:0;padding:0;margin:0;min-width:0}.pv-choice legend{font-size:16px;font-weight:600;padding:0;margin-bottom:10px}.pv-options{display:flex;gap:12px}.pv-options label{position:relative;display:flex;align-items:center;gap:10px;border:1px solid #bbb7ae;border-radius:9px;padding:11px 18px;min-height:48px;min-width:110px;cursor:pointer;background:#fff}.pv-options label:has(input:checked){background:var(--green-bg);border-color:var(--green-d)}.pv-options input[type=radio]{width:20px;height:20px;min-height:0;padding:0;margin:0;accent-color:var(--green-d);flex:none}.pv-fields{margin-top:22px}.operating-costs{margin-top:22px}
@media print{.site-header,.quiet,.form-actions,.mobile-result,.range,.assumption-footer button{display:none!important}main{padding:0}.calculator-layout{display:block}.results{position:static}.input-section,.results{break-inside:avoid}.balance{color:#141110;background:#fff;border:2px solid #ffba08}.balance p,.balance-equation small{color:#5f5651}.balance>strong{color:#965000}.source-note{margin:10px 0}.method{font-size:12px}body{background:white}}
