:root{color-scheme:only light;--bg:#eef2fb;--ink:#0f1b3d;--muted:#4b5878;--blue:#2540e8;--line:#c5cee8;--yellow:#ffd23f;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Figtree,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}a{color:var(--blue);text-underline-offset:4px}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline-offset:4px}*:focus-visible{outline:3px solid var(--blue)}[hidden]{display:none!important}.skip{position:absolute;top:-100px;left:12px;z-index:10;background:white;padding:12px}.skip:focus{top:12px}.wrap{max-width:1160px;padding:0 24px;margin:auto}.header{display:flex;justify-content:space-between;align-items:center;padding-top:24px;padding-bottom:24px;gap:16px}.brand{display:flex;align-items:center;gap:8px;text-decoration:none;font-size:24px;font-weight:850;color:var(--ink);letter-spacing:-1px}.brand svg{width:32px;height:32px}.brand span{color:var(--blue)}.home-link{font-size:14px;font-weight:650}.crumbs{font-size:13px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap;padding-top:12px}.hero{padding:26px 0 30px;max-width:850px}.eyebrow{text-transform:uppercase;letter-spacing:1.5px;font-weight:800;font-size:12px;color:var(--blue);margin:0 0 10px}.hero h1{font-family:"Bricolage Grotesque",Figtree,system-ui,sans-serif;font-size:clamp(32px,4.7vw,54px);line-height:1.08;letter-spacing:-1.8px;margin:0 0 20px;max-width:820px}.hero p{font-size:18px;color:var(--muted);max-width:740px;margin:0}.hero .badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px;font-size:12px;font-weight:750;color:var(--ink)}.badges span{border:1px solid var(--line);border-radius:30px;padding:5px 12px;background:#fff8}.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}.tabs a{display:inline-flex;align-items:center;min-height:44px;padding:8px 16px;border:1px solid var(--line);border-radius:24px;color:var(--muted);text-decoration:none;background:white;font-size:14px;font-weight:700}.tabs a[aria-current=page]{background:var(--blue);border-color:var(--blue);color:white}.calculator{display:grid;grid-template-columns:1.12fr 1fr;gap:24px;align-items:start}.card{background:var(--white);border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:0 6px 0 #0f1b3d08}.card h2{font-size:23px;line-height:1.25;margin:0 0 8px;letter-spacing:-.6px}.card h3{font-size:17px;margin:0 0 8px}.muted,.help{color:var(--muted)}.intro{font-size:14px;margin:0 0 24px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px}.field{min-width:0}.field.full{grid-column:1/-1}label{display:block;font-weight:750;font-size:14px;margin-bottom:6px}input,select{min-width:0;width:100%;height:49px;border:1px solid #acb9d8;border-radius:12px;padding:10px 12px;color:var(--ink);background:white}input:focus,select:focus{border-color:var(--blue)}input[aria-invalid=true]{border:2px solid #af1e38}.help{font-size:12px;line-height:1.5;display:block;margin:6px 0 0}.error{display:block;color:#a01732;font-size:12px;font-weight:700;margin-top:6px}.unit-row{display:grid;grid-template-columns:1fr 115px;gap:8px}.advanced{grid-column:1/-1;border-top:1px solid var(--line);padding-top:16px}.advanced summary{cursor:pointer;font-size:14px;font-weight:750;min-height:44px;display:flex;align-items:center;gap:6px}.advanced summary:before{content:'+';color:var(--blue);font-size:22px}.advanced[open] summary:before{content:'−'}.advanced .field{margin-top:12px}.notice{background:#f2f5ff;border-left:3px solid var(--blue);border-radius:0 10px 10px 0;padding:12px 14px;font-size:13px;color:var(--muted);margin:20px 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;font-weight:750;line-height:1.3;text-align:center;text-decoration:none;border:1px solid var(--blue);border-radius:13px;background:var(--blue);color:#fff;cursor:pointer}.btn:hover{background:#1930c9}.btn.secondary{background:white;color:var(--blue)}.btn.secondary:hover{background:#f2f5ff}.btn.full{width:100%;margin-top:22px}.form-message{font-size:13px;color:#a01732;margin:12px 0 0}.result-card{border:2px solid var(--blue);padding:27px;background:linear-gradient(150deg,#fff,#f7f9ff)}.result-label{font-size:11px;letter-spacing:1.4px;font-weight:800;color:var(--blue);text-transform:uppercase}.big-cost{font-size:clamp(36px,4vw,48px);font-weight:850;letter-spacing:-2px;line-height:1.15;margin:8px 0}.big-cost small{display:block;font-size:14px;font-weight:550;letter-spacing:0;color:var(--muted);margin-top:8px}.kwh{display:inline-block;font-weight:800;font-size:14px;background:var(--yellow);border-radius:7px;padding:4px 10px;margin:12px 0 20px}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:16px;border-top:1px solid var(--line);padding-top:18px}.metric span{display:block;color:var(--muted);font-size:12px}.metric strong{display:block;font-size:20px;letter-spacing:-.5px}.metric small{font-size:12px;color:var(--muted)}.assumptions{font-size:12px;color:var(--muted);margin:18px 0 0}.result-card .btn{margin-top:20px;width:100%}.results-empty{color:var(--muted);font-size:14px;padding:20px 0}.savings{margin-top:24px}.savings .unit-row{margin-top:16px}.savings .btn{width:100%;margin-top:14px}.saving-result{background:#edf8f3;border:1px solid #b6decb;border-radius:12px;padding:14px;font-size:14px;margin:16px 0 0}.saving-result strong{display:block;font-size:22px;color:#126244}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}.compare-item{background:white;border:1px solid var(--line);padding:14px;border-radius:14px}.compare-item h3{color:var(--muted);font-size:13px}.compare-item strong{font-size:23px;display:block;letter-spacing:-.5px}.compare-item small{font-size:12px;color:var(--muted);display:block}.compare-details{font-size:13px;border-top:1px solid var(--line);padding-top:14px;display:grid;gap:9px}.compare-details p{margin:0}.content{margin:36px 0;display:grid;grid-template-columns:1.4fr 1fr;gap:24px}.content h2,.faq h2{font-size:24px;letter-spacing:-.6px;line-height:1.3;margin:0 0 16px}.content p,.content li{font-size:15px;color:var(--muted)}.content h3{font-size:17px;margin:24px 0 8px}.formula{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px!important;padding:16px;background:#f2f5ff;border:1px solid var(--line);border-radius:12px;overflow-wrap:anywhere;color:var(--ink)!important}.steps{padding-left:20px}.steps li{padding:3px 0}.example{background:#fff9df;border-radius:14px;padding:16px;border:1px solid #eddda0}.example p{margin:4px 0}.ad-space{text-align:center;min-height:90px;border:1px dashed var(--line);border-radius:16px;display:flex;justify-content:center;align-items:center;font-size:11px;color:#596581;letter-spacing:.3px;margin:24px 0 32px;background:#ffffff45}.faq{margin:36px 0}.faq details{border-bottom:1px solid var(--line);padding:12px 0}.faq summary{font-size:16px;font-weight:750;cursor:pointer;min-height:44px;padding:9px 24px 9px 0}.faq p{color:var(--muted);font-size:15px;margin:0 0 16px;max-width:850px}.related{display:flex;flex-wrap:wrap;gap:12px;font-size:14px}.sources{font-size:12px;color:var(--muted);margin:24px 0}.sources a{display:inline-block;margin-right:14px}.footer{border-top:1px solid var(--line);margin-top:40px;padding:24px 0 36px;font-size:12px;color:var(--muted)}.footer p{margin:4px 0}.footer a{font-weight:650}.noscript{padding:16px;border:1px solid #eddda0;background:#fff9df;border-radius:12px;margin-bottom:20px}.compare-forms{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:16px}.appliance{min-width:0;padding:14px;background:#f5f7fd;border:1px solid var(--line);border-radius:14px;margin:0}.appliance legend{font-size:14px;font-weight:800;padding:0 6px}.appliance .field+.field{margin-top:14px}.appliance label{font-size:13px}.status{color:var(--muted);font-size:12px;min-height:20px;margin:10px 0 0}
@media(max-width:760px){.wrap{padding-left:18px;padding-right:18px}.header{padding-top:20px;padding-bottom:12px}.brand{font-size:23px}.home-link{font-size:12px;max-width:115px;text-align:right}.hero{padding-top:22px;padding-bottom:24px}.hero h1{letter-spacing:-1.1px;font-size:36px}.hero p{font-size:16px}.hero .badges{font-size:11px;gap:6px}.tabs{gap:7px;margin-bottom:22px}.tabs a{padding:8px 12px;font-size:12px}.calculator,.content{grid-template-columns:1fr;gap:20px}.card{padding:22px;border-radius:23px}.result-card{padding:21px}.content{margin:28px 0}.big-cost{font-size:42px}.ad-space{min-height:72px}.form-grid{gap:18px 12px}.unit-row{grid-template-columns:1fr 104px}.compare-item{padding:12px}.compare-item strong{font-size:21px}}
@media(max-width:380px){.wrap{padding-left:14px;padding-right:14px}.card{padding:18px}.form-grid{grid-template-columns:1fr}.field.full,.advanced,.compare-forms{grid-column:1}.hero h1{font-size:32px}.compare-forms{gap:10px}.appliance{padding:10px}.compare-item strong{font-size:19px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.header,.tabs,.ad-space,.btn,.savings,.footer,.sources{display:none!important}body{background:white}.wrap{padding:0}.calculator{display:block}.card{box-shadow:none;margin:12px 0;break-inside:avoid}.faq details p{display:block}.hero h1{font-size:30px}}

.big-cost,.metric strong,.compare-item strong{overflow-wrap:anywhere}
@media(max-width:380px){.header{flex-wrap:wrap;gap:8px}.home-link{flex-basis:100%;text-align:left;max-width:none;padding-left:40px}}