.calc-page{background:var(--paper);padding-top:96px}.calc-wrap{width:min(1180px,calc(100% - 2 * var(--gutter)));margin-inline:auto}.calc-intro{padding:clamp(28px,5vw,64px) 0 clamp(18px,3vw,36px)}.calc-intro h1{margin:0 0 14px;font-size:clamp(2rem,5.2vw,3.6rem);line-height:1.04;max-width:18ch}.calc-lead{margin:0;max-width:56ch;font-size:clamp(1.05rem,2vw,1.25rem);color:var(--muted)}.calc-main{padding:12px 0 clamp(36px,6vw,72px)}.calc-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(20px,3vw,44px);align-items:start}.calc-visuals{display:grid;gap:16px}.calc-figure{margin:0;padding:14px;background:var(--white);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.calc-figure svg{display:block;width:100%;height:auto}#calc-top{max-height:460px;margin-inline:auto}.calc-hint{margin:10px 4px 2px;font-size:.9rem;color:var(--muted)}.calc-panel{position:sticky;top:92px;display:grid;gap:22px;padding:clamp(18px,3vw,30px);background:var(--white);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.calc-control{margin:0;padding:0;border:0;min-width:0}.calc-control legend,.calc-control label{font-weight:800;color:var(--navy)}.calc-control legend{padding:0;margin-bottom:10px}.calc-control-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}.calc-control-head output{font-size:1.5rem;font-weight:800;color:var(--navy);letter-spacing:-.03em}.calc-help{margin:8px 0 0;font-size:.92rem;color:var(--muted)}.calc-help strong{color:var(--navy)}.calc-ticks{display:flex;justify-content:space-between;font-size:.78rem;color:var(--muted);margin-top:2px}#calc-side{--fill: 100%;-webkit-appearance:none;appearance:none;display:block;width:100%;height:44px;margin:0;background:transparent;cursor:pointer}#calc-side::-webkit-slider-runnable-track{height:8px;border-radius:99px;background:linear-gradient(to right,var(--mint) var(--fill),#dfe7e4 var(--fill))}#calc-side::-moz-range-track{height:8px;border-radius:99px;background:#dfe7e4}#calc-side::-moz-range-progress{height:8px;border-radius:99px;background:var(--mint)}#calc-side::-webkit-slider-thumb{-webkit-appearance:none;width:30px;height:30px;margin-top:-11px;border-radius:50%;background:var(--navy);border:4px solid var(--white);box-shadow:0 2px 10px #17324d59}#calc-side::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--navy);border:4px solid var(--white);box-shadow:0 2px 10px #17324d59}#calc-side:focus-visible{outline:none}#calc-side:focus-visible::-webkit-slider-thumb{outline:3px solid var(--focus);outline-offset:2px}#calc-side:focus-visible::-moz-range-thumb{outline:3px solid var(--focus);outline-offset:2px}.calc-toggle{display:grid;grid-template-columns:1fr 1fr;gap:10px}.calc-toggle button{display:grid;gap:2px;min-height:64px;padding:10px 14px;border:2px solid var(--line);border-radius:14px;background:var(--paper);color:var(--navy);font:inherit;text-align:left;cursor:pointer;transition:border-color .2s,background .2s}.calc-toggle button strong{font-size:1.25rem;letter-spacing:-.03em}.calc-toggle button span{font-size:.85rem;color:var(--muted)}.calc-toggle button[aria-checked=true]{border-color:var(--mint);background:#eaf7f0}.calc-toggle button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.calc-result{display:grid;gap:12px;padding-top:18px;border-top:1px solid var(--line)}.calc-line{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.calc-line>div{display:grid;gap:2px;min-width:0}.calc-line-label{font-weight:700;color:var(--navy)}.calc-line-sub{font-size:.86rem;color:var(--muted)}.calc-line>strong{flex:none;color:var(--navy);font-size:1.1rem;text-align:right}.calc-total{display:grid;gap:2px;padding:16px 18px;border-radius:16px;background:var(--navy);color:var(--white)}.calc-total>span{font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;opacity:.8}.calc-total>strong{font-size:clamp(2rem,6vw,2.6rem);line-height:1.05;letter-spacing:-.04em}.calc-total>small{font-size:.88rem;opacity:.85}.calc-note{margin:0;font-size:.84rem;color:var(--muted)}.calc-courtesy{margin:0;font-size:.95rem;color:var(--ink)}.calc-courtesy a{color:var(--navy);font-weight:700}.calc-cta{justify-content:center}.calc-how{padding:0 0 clamp(48px,8vw,96px)}.calc-how details{padding:16px 20px;background:var(--white);border:1px solid var(--line);border-radius:16px}.calc-how summary{cursor:pointer;font-weight:800;color:var(--navy)}.calc-how p{margin:12px 0 0;max-width:70ch;color:var(--muted)}@media(max-width:880px){.calc-grid{grid-template-columns:minmax(0,1fr)}.calc-panel{position:static;order:-1}#calc-top{max-height:380px}}@media(max-width:480px){.calc-page{padding-top:76px}.calc-figure{padding:8px;border-radius:16px}.calc-line{flex-direction:column;gap:4px}.calc-line>strong{text-align:left}}