.calc-hero{padding:78px 0 28px;text-align:center;position:relative;overflow:hidden}.calc-hero__bg{position:absolute;inset:0;background:radial-gradient(720px 380px at 50% -10%,rgba(200,230,0,.18),transparent 62%)}.calc-hero__in{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center}.calc-hero h1{font-size:clamp(36px,5vw,58px);margin:16px 0 18px;max-width:18ch}.calc-hero .lead{max-width:52ch}.calc{padding:8px 0 96px;--ink:var(--charcoal-ink);--muted:#5e7282;--line:#dce4d2;--good:#3e7d1e;--bad:#c0392b;--docket:#fffdf6;--mono:ui-monospace,SFMono-Regular,Menlo,monospace}.calc-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:24px;align-items:start}.calc-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px 26px;box-shadow:var(--shadow-sm);min-width:0}.calc h2{font-size:26px;margin:0 0 6px}.calc-sub{color:var(--muted);margin:0 0 18px;font-size:15px}.calc-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}.calc-field{display:grid;gap:6px;min-width:0}.calc-field label{font-family:var(--display);font-weight:700;font-size:15px;color:var(--charcoal)}.calc-field small{color:var(--muted);font-size:13px;line-height:1.35}.calc-inp{display:flex;align-items:center;border:1.5px solid var(--line);border-radius:12px;background:var(--cream);overflow:hidden}.calc-inp:focus-within{border-color:var(--yellow);box-shadow:0 0 0 3px #eaa01540}.calc-inp span{padding:0 10px;color:var(--muted);font-family:var(--mono);font-size:14px}.calc-inp input{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:600 17px var(--mono);padding:11px 10px;outline:none;font-variant-numeric:tabular-nums;width:100%}.calc-inp span:first-child{padding-right:0}.calc details{margin-top:22px;border-top:1px dashed var(--line);padding-top:16px}.calc summary{cursor:pointer;font-family:var(--display);font-weight:700;font-size:17px;color:var(--charcoal);list-style:none;display:flex;justify-content:space-between;gap:12px}.calc summary::-webkit-details-marker{display:none}.calc summary:after{content:"+";font-size:22px;line-height:1;color:var(--yellow-deep)}.calc details[open] summary:after{content:"−"}.calc details .calc-fields{margin-top:16px}.calc-note{margin:14px 0 0;font-size:14px;color:var(--muted)}.calc-docket{background:var(--docket);border:1px solid var(--line);border-radius:4px 4px 0 0;padding:22px 22px 30px;font-family:var(--mono);font-size:13.5px;color:var(--ink);-webkit-mask:radial-gradient(circle at 10px 100%,transparent 7px,#000 7.5px) -10px 0/20px 100% repeat-x;mask:radial-gradient(circle at 10px 100%,transparent 7px,#000 7.5px) -10px 0/20px 100% repeat-x}.calc-docket-head{text-align:center;border-bottom:1px dashed var(--line);padding-bottom:12px;margin-bottom:12px}.calc-docket-head b{font-family:var(--display);font-size:20px;display:block;color:var(--charcoal)}.calc-docket-head span{color:var(--muted);font-size:12px;letter-spacing:.08em;text-transform:uppercase}.calc-row{display:flex;justify-content:space-between;gap:12px;padding:4px 0;font-variant-numeric:tabular-nums}.calc-row span:first-child{color:var(--muted)}.calc-row.neg span:last-child{color:var(--bad)}.calc-row.pos span:last-child{color:var(--good)}.calc-sect{font-weight:600;margin-top:10px;text-transform:uppercase;font-size:11.5px;letter-spacing:.1em;color:var(--charcoal)}.calc-total{border-top:2px solid var(--charcoal);margin-top:12px;padding-top:12px}.calc-big{font-family:var(--display);font-weight:700;font-size:clamp(34px,6vw,46px);line-height:1;font-variant-numeric:tabular-nums}.calc-big.pos{color:var(--good)}.calc-big.neg{color:var(--bad)}.calc-verdict{display:inline-flex;align-items:center;gap:8px;margin-top:10px;padding:6px 12px;border-radius:999px;font:700 13px var(--body)}.calc-verdict.pos{background:#eef7c4;color:var(--good)}.calc-verdict.neg{background:#c0392b1f;color:var(--bad)}.calc-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:16px}.calc-stat{border:1px dashed var(--line);border-radius:8px;padding:8px}.calc-stat b{display:block;font-size:15px;font-variant-numeric:tabular-nums;color:var(--charcoal)}.calc-stat span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.calc-chart{margin-top:20px}.calc-chart h2{font-size:22px}.calc-chart p{margin:0 0 10px;font-size:14px;color:var(--muted)}.calc-chart svg{width:100%;height:auto;display:block}.calc-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;align-items:center}.calc-toast{font-size:14px;color:var(--good);font-family:var(--display);font-weight:700}.calc-how{margin-top:24px}.calc-how p{margin:0 0 12px;color:var(--ink);font-size:16px;line-height:1.55;max-width:72ch}.calc-how p:last-child{margin-bottom:0}.calc-formula{font-family:var(--mono);font-size:13px;background:var(--cream);border-radius:12px;padding:14px 16px;overflow-x:auto;white-space:pre;margin:0 0 12px;color:var(--charcoal)}@media(max-width:860px){.calc-grid{grid-template-columns:1fr}}@media(max-width:520px){.calc-fields,.calc-stats{grid-template-columns:1fr}}@media(prefers-reduced-motion:no-preference){.calc-big{transition:color .2s}}