:root{--paper:#f4f2ea;--surface:#fbfaf5;--ink:#222821;--muted:#596058;--quiet:#7c827b;--line:#d8d9cb;--field:#eeeee6;--green:#244f3f;--green-dark:#17372c;--lime:#dce7a1;--copper:#a66a48;--error:#a64131;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}a{color:var(--green)}a:hover{text-decoration-thickness:2px}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,80px);border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:750;letter-spacing:-.04em;font-size:19px}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:7px;background:var(--green);color:var(--lime);font-size:27px;line-height:1}.topbar-note{font-size:12px;color:var(--muted)}main{max-width:1180px;margin:auto;padding:0 24px}.intro{max-width:770px;padding:76px 0 46px}.eyebrow,.section-kicker{display:block;color:var(--green);font-size:11px;font-weight:800;letter-spacing:.16em}.intro h1{font-size:clamp(42px,6.5vw,76px);letter-spacing:-.075em;line-height:1.02;font-weight:730;margin:18px 0 20px}.intro h1 em{font-family:Georgia,serif;font-weight:400;letter-spacing:-.065em;color:var(--green)}.intro p{font-size:18px;line-height:1.62;color:var(--muted);max-width:690px;margin:0}.workspace{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:32px}.rate-row{display:flex;justify-content:space-between;gap:24px;align-items:center;padding-bottom:28px;border-bottom:1px solid var(--line)}.helper{font-size:13px;color:var(--muted);margin:10px 0 0;max-width:500px;line-height:1.5}.rate-input{display:flex;align-items:baseline;gap:5px;white-space:nowrap;border:1px solid var(--line);background:var(--field);border-radius:8px;padding:11px 14px}.rate-input:focus-within,.input-wrap:focus-within,.field>input:focus{outline:2px solid var(--green);outline-offset:2px}.rate-input input{width:83px;border:0;background:none;outline:none;font-size:23px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}.currency{font-size:16px;font-weight:700}.unit{font-size:13px;color:var(--muted)}.scenarios{display:grid;grid-template-columns:1fr 32px 1fr;gap:19px;align-items:center;padding-top:30px}.scenario{min-width:0;margin:0;border:0;padding:0}.scenario legend{padding:0;margin-bottom:26px;display:flex;align-items:center;gap:10px;font-size:21px;font-weight:700;letter-spacing:-.04em}.scenario-index,.bill-marker{display:grid;place-items:center;width:27px;height:27px;border-radius:5px;background:var(--green);color:white;font-size:12px;font-weight:800;letter-spacing:0}.scenario-b .scenario-index,.bill-b .bill-marker{background:var(--copper)}.versus{font-size:10px;font-weight:800;color:var(--quiet);text-align:center;align-self:center;padding-top:20px}.field{display:block;font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.02em}.field>input,.input-wrap{width:100%;display:flex;align-items:center;margin-top:8px;border:1px solid var(--line);border-radius:7px;background:var(--field);height:50px;padding:0 13px;color:var(--ink)}.field>input{font-size:15px;font-weight:600}.field-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}.input-wrap input{width:100%;min-width:0;border:0;outline:none;background:none;color:var(--ink);font-size:17px;font-weight:700;font-variant-numeric:tabular-nums}.input-wrap span{color:var(--quiet);font-size:12px;font-weight:500}.form-error{margin:25px 0 0;color:var(--error);font-size:14px;font-weight:650}.results{padding:65px 0 70px}.result-heading{margin-bottom:26px}.result-heading h2,.method h2{margin:10px 0 6px;font-size:clamp(30px,4vw,44px);letter-spacing:-.055em;line-height:1.15}.result-heading p{color:var(--muted);margin:0;font-size:14px}.bills{display:grid;grid-template-columns:1fr 1fr;gap:18px}.bill{display:grid;grid-template-columns:1fr 1fr;gap:21px 12px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:25px}.bill-title{grid-column:1/-1;display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--line)}.bill-title h3{font-size:16px;margin:0;overflow-wrap:anywhere}.bill-cell{display:flex;flex-direction:column;gap:5px}.bill-label,.summary>span{font-size:10px;font-weight:800;letter-spacing:.12em;color:var(--quiet)}.bill-cell strong{font-size:20px;letter-spacing:-.045em;font-variant-numeric:tabular-nums}.bill-cell.primary{grid-column:1/-1}.bill-cell.primary strong{font-size:42px;line-height:1.1;color:var(--green);letter-spacing:-.06em}.bill-b .bill-cell.primary strong{color:var(--copper)}.summary{display:grid;grid-template-columns:1fr auto;gap:8px 18px;align-items:end;margin-top:18px;background:var(--green);border-radius:12px;padding:26px 30px;color:white}.summary>span{color:var(--lime)}.summary strong{grid-row:1/3;grid-column:2;font-size:42px;letter-spacing:-.065em;font-variant-numeric:tabular-nums;line-height:1}.summary p{grid-column:1;margin:0;font-size:15px;line-height:1.5;color:#e4eee5}.result-actions{display:flex;gap:15px;align-items:center;margin-top:20px;min-height:48px}.result-actions button{border:1px solid var(--green);background:transparent;border-radius:7px;padding:12px 16px;font-weight:700;color:var(--green);cursor:pointer}.result-actions button:hover{background:var(--green);color:white}.result-actions button:focus-visible{outline:3px solid var(--copper);outline-offset:2px}.result-actions button span{margin-left:11px}.result-actions #copy-status{color:var(--muted);font-size:13px}.method{display:grid;grid-template-columns:1fr 1fr;gap:40px;border-top:1px solid var(--line);padding:48px 0 70px}.method h2{max-width:400px}.method-copy p{color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 15px}.method-copy strong{color:var(--ink)}footer{display:flex;justify-content:space-between;gap:30px;padding:24px clamp(20px,5vw,80px);border-top:1px solid var(--line);font-size:12px;color:var(--quiet)}@media(max-width:750px){.topbar-note{display:none}.intro{padding:52px 0 36px}.intro p{font-size:16px}.workspace{padding:22px}.rate-row{align-items:flex-start;flex-direction:column}.scenarios{grid-template-columns:1fr;gap:10px}.versus{padding:0}.scenario legend{margin-bottom:16px}.scenario-b{margin-top:8px}.bills,.method{grid-template-columns:1fr}.method{gap:10px}.summary{grid-template-columns:1fr}.summary strong,.summary p{grid-row:auto;grid-column:1}.summary strong{font-size:38px}footer{flex-direction:column;gap:8px}}@media(max-width:420px){main{padding:0 16px}.workspace{padding:17px}.field-pair{gap:10px}.bill{padding:19px}.bill-cell.primary strong{font-size:36px}}