:root{--paper:#faf8f4;--card:#fffdf8;--ink:#191a18;--muted:#625e55;--rule:#dcd6c9;--accent:#963d26;--green:#356844;--wash:#eee9df;--serif:Georgia,'Times New Roman',serif;--sans:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--mono:ui-monospace,SFMono-Regular,Consolas,monospace}
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text{font:12px var(--sans);fill:var(--muted)}.chart svg .line{stroke:var(--green);stroke-width:3;fill:none}.chart svg .grid{stroke:var(--rule);stroke-width:1;fill:none}.chart svg .cap{stroke:var(--accent);stroke-dasharray:5 5;fill:none}.chart svg .dot{fill:var(--accent);stroke:var(--card);stroke-width:2}details{font-size:14px;margin-top:20px}summary{cursor:pointer;font-weight:600;min-height:36px}.table-wrap{overflow:auto;margin:16px 0 0}table{width:100%;border-collapse:collapse;font-size:13px;text-align:left;font-variant-numeric:tabular-nums}caption{text-align:left;font-size:12px;color:var(--muted);margin-bottom:9px}th,td{padding:10px 8px;border-bottom:1px solid var(--rule);vertical-align:top}th{font-weight:650}td:first-child,th:first-child{padding-left:0}thead{background:var(--paper)}.content{max-width:780px;margin:54px auto 0}.content section{margin:0 0 38px}.content h2{margin:0 0 17px}.content h3{margin:24px 0 8px}.content p{margin:12px 0}.content ul,.content ol{padding-left:23px}.content li{margin:8px 0}.formula{background:var(--wash);border-left:3px solid var(--accent);padding:18px 22px;font-family:var(--mono);font-size:14px;overflow-wrap:anywhere;margin:20px 0}.callout{background:var(--card);border:1px solid var(--rule);padding:25px;border-radius:12px;margin:30px 0}.callout h2{font-size:28px}.callout p{color:var(--muted)}.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}.related a{border:1px solid var(--rule);padding:18px;border-radius:10px;color:var(--ink);text-decoration:none;background:var(--card)}.related a:hover{border-color:var(--accent)}.related strong{display:block;font:400 22px/1.25 var(--serif);margin-bottom:7px}.related span{display:block;font-size:13px;color:var(--muted)}.sources{font-size:13px;color:var(--muted)}footer{border-top:1px solid 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@media(max-width:720px){.wrap{padding:20px 18px 46px}.calculator{grid-template-columns:1fr}.inputs{border-right:0;border-bottom:1px solid var(--rule);padding:22px}.results{padding:25px 22px}.top{font-size:12px}.top nav{gap:15px}.brand{font-size:20px}.eyebrow{margin-top:28px}h1{font-size:43px}.lede{font-size:17px}.related{grid-template-columns:1fr}.content{margin-top:36px}.metric-grid{gap:18px 14px}.step-grid{grid-template-columns:1fr}.step{padding:16px}.step .number{display:inline;font-size:32px;margin-right:12px}.content th,.content td{font-size:12px;padding:9px 5px}.privacy{align-items:flex-start}.privacy::before{margin-top:7px}.chart svg text{font-size:13px}}
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