:root{color-scheme:dark;--bg:#0f1213;--panel:#181c1e;--line:#343b40;--text:#edf0f2;--muted:#a4afb8;--green:#45c98b;--red:#f07878;--sans:'DM Sans',sans-serif;--display:'Manrope',sans-serif;--mono:'DM Mono',monospace}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px var(--sans);line-height:1.6}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,select,summary{cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid #cbd5e0;outline-offset:5px}header,main,footer{max-width:1216px;margin:auto}header{display:flex;justify-content:space-between;align-items:center;padding:30px 30px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-size:21px}.brand strong{font-family:var(--display);letter-spacing:-1px}.brand span{font-size:14px;color:var(--muted)}.nav-cta{font-size:13px}.nav-cta span{margin-left:16px}main{padding:0 30px}.intro{padding:68px 0 42px}.eyebrow{font:10px var(--mono);letter-spacing:1.5px;color:var(--muted);margin:0 0 18px}h1,h2,h3{font-family:var(--display);line-height:1.2}h1{font-size:clamp(38px,5vw,62px);letter-spacing:-2.6px;margin:0 0 20px}.lede{font-size:17px;color:var(--muted);margin:0}.mobile{display:none}.calculator-layout{display:grid;grid-template-columns:1fr 1.16fr;gap:22px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:28px}.panel-top,.result-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.panel h2{font-size:17px;margin:0}.currency-label{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--muted)}select{padding:7px;border:1px solid var(--line);border-radius:6px;background:#111516;color:var(--text)}form{margin-top:29px}.field{margin-bottom:24px;min-width:0}.field label{display:flex;justify-content:space-between;font-size:12px;margin-bottom:9px;color:#c2ccd3}.field label span{color:var(--muted)}input[type=number]{width:100%;height:50px;background:#0f1315;border:1px solid var(--line);border-radius:7px;color:var(--text);padding:0 13px;font:18px var(--mono);outline:none}input[type=number]:focus{border-color:#b3c0cb;box-shadow:0 0 0 2px #b3c0cb18}input[aria-invalid=true]{border-color:var(--red)}input[type=range]{width:100%;margin:19px 0 0;accent-color:#d3dae0}.range-labels{display:flex;justify-content:space-between;font:10px var(--mono);color:var(--muted)}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field small{display:block;margin-top:6px;color:var(--muted);font-size:10px}.input-note{font-size:11px;color:var(--muted);line-height:1.7;margin:0}.examples{display:flex;flex-wrap:wrap;gap:7px;margin-top:25px;padding-top:20px;border-top:1px solid var(--line)}.examples>span{width:100%;font-size:10px;color:var(--muted);margin-bottom:3px}button{color:var(--text);background:transparent;border:1px solid var(--line);border-radius:6px;padding:8px 10px;font-size:11px}button:hover{background:#252c30;border-color:#64717a}.error{color:var(--red);font-size:12px}.badge{border:1px solid #305543;color:#8bd6a9;border-radius:20px;font-size:10px;padding:4px 9px;white-space:nowrap}.badge.negative{color:var(--red);border-color:#694040}.badge.neutral{color:var(--muted);border-color:var(--line)}.hero-number{font:500 clamp(40px,4.5vw,62px) var(--mono);letter-spacing:-2px;color:var(--green);margin-top:27px;overflow-wrap:anywhere}.hero-number.negative{color:var(--red)}.hero-number.neutral{color:var(--text)}.result-copy{font-size:11px;color:var(--muted);margin:8px 0 26px}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:24px 18px;border-top:1px solid var(--line);padding-top:24px}.metrics span,.metrics small{display:block;color:var(--muted);font-size:11px}.metrics strong{display:block;font:500 21px var(--mono);margin:6px 0;overflow-wrap:anywhere}.metrics small{font-size:9px}.chart-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:30px}.chart-top h3{font:500 11px var(--sans);margin:0}.chart-top span{font:9px var(--mono);color:var(--muted)}svg{display:block;width:100%;height:auto;margin-top:10px;overflow:visible}.chart-legend{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:9px}.chart-legend i{display:inline-block;width:6px;height:6px;background:#dce3e8;border-radius:50%;margin-right:4px}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px}.actions span{font-size:10px;color:var(--muted)}.explanation{max-width:730px;margin:76px 0 64px}.explanation h2{font-size:29px;letter-spacing:-.7px;margin:0 0 22px}.explanation>p:not(.eyebrow){font-size:13px;color:var(--muted)}.formula{padding:21px 24px;background:var(--panel);border-left:2px solid #b7c3ce;font:13px/2 var(--mono);border-radius:0 8px 8px 0}details{border-bottom:1px solid var(--line);padding:17px 0}summary{font-size:13px}details p{color:var(--muted);font-size:12px}.product-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:34px 0 44px;border-top:1px solid var(--line)}.product-cta h2{font-size:32px;letter-spacing:-1px;margin:0 0 16px}.product-cta p:not(.eyebrow){color:var(--muted);font-size:13px}.button{display:inline-block;padding:13px 20px;background:#d7dde0;color:#101314;font-size:13px;font-weight:700;border-radius:7px;white-space:nowrap}footer{display:flex;flex-wrap:wrap;gap:22px;justify-content:space-between;border-top:1px solid var(--line);padding:23px 30px;color:var(--muted);font-size:10px}footer nav{display:flex;gap:16px}[hidden]{display:none!important}@media(max-width:800px){.calculator-layout{grid-template-columns:1fr}.intro{padding-top:44px}.panel{padding:24px}.product-cta{align-items:flex-start;flex-direction:column}}@media(max-width:440px){header{padding:22px 20px}.brand span{display:none}main{padding:0 20px}h1{letter-spacing:-1.5px}.mobile{display:block}.lede{font-size:14px}.panel{padding:20px}.result-heading{align-items:flex-start;flex-direction:column}.hero-number{font-size:42px}.field-grid{gap:12px}.field label{font-size:11px}.metrics strong{font-size:18px}.chart-legend{font-size:8px}.product-cta h2{font-size:28px}footer{padding:22px 20px}}