/* Scoped to the calculator: ordinary articles keep their existing layout. */
.vc{--vc-ink:#17243a;--vc-muted:#59677d;--vc-line:#e1e7ef;--vc-blue:#3155df;color:var(--vc-ink);padding:26px 0 0;font-size:15px;line-height:1.7}
.vc *, .vc *::before,.vc *::after{box-sizing:border-box}
.vc [hidden]{display:none!important}.vc button,.vc input,.vc select{font:inherit}.vc button,.vc a{-webkit-tap-highlight-color:transparent}
.vc button{cursor:pointer}.vc button:disabled{cursor:not-allowed;opacity:.55}.vc button:focus-visible,.vc a:focus-visible,.vc input:focus-visible,.vc select:focus-visible,.vc-table-scroll:focus-visible{outline:3px solid #3155df;outline-offset:3px}
.vc-breadcrumb{display:flex;flex-wrap:wrap;gap:7px 12px;font-size:12px;color:var(--vc-muted);margin-bottom:28px}.vc-breadcrumb a{text-decoration:underline;text-underline-offset:3px}
.vc-hero{display:flex;align-items:center;justify-content:space-between;gap:26px;margin-bottom:20px}.vc-kicker{font-size:10px;letter-spacing:.16em;font-weight:750;color:#3455c0}.vc-hero h1{font-size:clamp(28px,3.6vw,44px);line-height:1.3;letter-spacing:-.05em;margin:12px 0}.vc-hero p{margin:0;color:var(--vc-muted);max-width:660px;font-size:16px;text-wrap:pretty}.vc-library-link{flex-shrink:0;border:1px solid var(--vc-line);background:#fff;border-radius:12px;display:flex;gap:18px;align-items:center;padding:12px 16px;font-size:13px;font-weight:700;min-height:44px}
.vc-meta{display:flex;gap:12px 28px;flex-wrap:wrap;margin:24px 0;color:var(--vc-muted);font-size:12px}.vc-meta span:first-child{font-weight:700;color:var(--vc-ink)}
.vc-workspace{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:24px;align-items:start}.vc-panel{background:#fff;border:1px solid var(--vc-line);border-radius:20px;padding:28px;min-width:0;box-shadow:0 5px 18px #17243a04}.vc-panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}.vc-panel h2{font-size:19px;line-height:1.5;letter-spacing:-.025em;margin:0}.vc-panel h2>span{color:#74849e;font-size:12px;display:inline-block;margin-right:7px}.vc-example{border:0;background:#eef2ff;color:#294ac3;border-radius:8px;min-height:44px;padding:8px 12px;font-size:12px!important;font-weight:700!important}.vc-help{font-size:12px;line-height:1.8;color:var(--vc-muted);margin:0 0 22px}.vc-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.vc-field{min-width:0}.vc-field label{display:block;font-size:13px;font-weight:700;margin-bottom:7px}.vc-input-wrap{position:relative;display:flex;align-items:center;min-width:0}.vc-input-wrap input,.vc-input-wrap select{width:100%;min-width:0;min-height:50px;border:1px solid #bac5d5;border-radius:10px;padding:11px 12px;background:#fff;color:var(--vc-ink);font-size:16px;line-height:1.4}.vc-input-wrap input:has(+.vc-unit){padding-right:65px}.vc-input-wrap select{padding-right:26px}.vc-input-wrap input[aria-invalid=true]{border-color:#b52637;box-shadow:0 0 0 1px #b52637}.vc-unit{position:absolute;right:12px;pointer-events:none;font-size:11px;color:var(--vc-muted);white-space:nowrap}.vc-error{display:block;color:#a71d31;font-size:12px;line-height:1.5;margin-top:5px}.vc-error:empty{display:none}.vc-form-actions{display:flex;gap:12px;margin-top:24px}.vc-primary{flex:1;min-height:50px;display:flex;align-items:center;justify-content:center;gap:20px;border:0;background:var(--vc-blue);color:#fff;border-radius:11px;padding:12px 18px;font-weight:700!important}.vc-primary:hover{background:#2444c3}.vc-reset{border:1px solid var(--vc-line);background:#fff;min-height:50px;padding:10px 16px;border-radius:11px;color:var(--vc-muted)}.vc-status{margin:12px 0 0;font-size:12px;color:var(--vc-muted);min-height:20px}
.vc-results{background:linear-gradient(145deg,#f0f4ff,#fff 60%)}.vc-result-badge{font-size:10px;color:#4c617e;border:1px solid #d3dcee;border-radius:100px;padding:5px 9px}.vc-empty{padding:36px 10px;text-align:center}.vc-empty-icon{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;margin:0 auto 20px;background:#e1e9ff;color:#3455c0;font-size:30px}.vc-empty h3{font-size:18px;line-height:1.6;margin:0 0 10px;text-wrap:pretty}.vc-empty p{color:var(--vc-muted);font-size:13px;margin:0;line-height:1.9}.vc-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.vc-metric{margin:0;padding:16px;background:#fff;border:1px solid var(--vc-line);border-radius:12px;min-width:0}.vc-metric:first-child{grid-column:1/-1;background:#172b4c;color:#fff;border-color:#172b4c;padding:23px}.vc-metric dt{font-size:12px;line-height:1.6;margin:0 0 7px;color:#52647f}.vc-metric:first-child dt{color:#c2d2ef}.vc-metric dd{font-size:clamp(17px,1.5vw,23px);font-weight:750;margin:0;line-height:1.5;overflow-wrap:anywhere;font-variant-numeric:tabular-nums;letter-spacing:-.02em}.vc-metric:first-child dd{font-size:clamp(24px,2.5vw,34px)}.vc-input-summary{margin-top:20px;font-size:12px;color:var(--vc-muted)}.vc summary{cursor:pointer;min-height:44px;padding:10px 0;font-weight:650}.vc-input-summary dl{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px 15px;margin:5px 0}.vc-input-summary dd{margin:0;text-align:right;color:var(--vc-ink);overflow-wrap:anywhere}.vc-result-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.vc-result-actions button,.vc-compare button{min-height:44px;padding:9px 13px;background:#fff;border:1px solid #c4cfdf;border-radius:9px;font-size:12px;color:var(--vc-ink)}.vc-result-note{font-size:11px;color:var(--vc-muted);margin:22px 0 0;line-height:1.9}
.vc-schedule,.vc-compare{margin-top:24px}.vc-schedule>p,.vc-compare>p{font-size:12px;color:var(--vc-muted);margin:8px 0 18px}.vc-table-scroll{overflow:auto;max-height:430px;border:1px solid var(--vc-line);border-radius:10px}.vc table{border-collapse:collapse;width:100%;min-width:590px;font-size:12px;line-height:1.6}.vc th,.vc td{padding:12px;text-align:right;border-bottom:1px solid var(--vc-line);white-space:nowrap;font-variant-numeric:tabular-nums}.vc th{background:#eef2f9;position:sticky;top:0;z-index:1}.vc td:first-child,.vc th:first-child{text-align:left}.vc tbody tr:nth-child(even){background:#f8fafc}.vc-comparison-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.vc-comparison-grid>article{padding:20px;border:1px solid var(--vc-line);border-radius:12px;min-width:0}.vc-comparison-grid h3{font-size:16px;margin:0 0 12px}.vc-comparison-grid dl{margin:0;font-size:12px}.vc-comparison-grid dt{color:var(--vc-muted);margin-top:12px}.vc-comparison-grid dd{font-weight:700;margin:3px 0;font-size:16px;overflow-wrap:anywhere}
.vc-method{display:grid;grid-template-columns:minmax(0,.65fr) minmax(0,1.65fr);gap:36px;margin:40px 0;padding:32px 0;border-top:1px solid var(--vc-line);border-bottom:1px solid var(--vc-line)}.vc-method h2{font-size:24px;letter-spacing:-.035em;margin:10px 0}.vc-method h3{font-size:14px;margin:0 0 8px}.vc-method p{color:var(--vc-muted);font-size:13px;margin:0 0 20px;line-height:1.9}.vc-method .vc-formula{background:#eaf0fb;padding:17px;border-radius:10px;color:#294168;font-size:13px;overflow-wrap:anywhere}.vc-method details{font-size:12px}.vc-method ul{padding-left:20px}.vc-method a{color:#294ac3;text-decoration:underline;text-underline-offset:3px}
.vc-library{scroll-margin-top:24px;margin:0 0 50px}.vc-library-head{display:flex;justify-content:space-between;gap:24px;align-items:center}.vc-library h2{font-size:26px;letter-spacing:-.035em;margin:8px 0 0}.vc-search{width:290px;max-width:100%}.vc-search input{min-height:48px;width:100%;border:1px solid #bac5d5;border-radius:12px;padding:10px 15px;background:#fff;font-size:16px}.vc-filters{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 0}.vc-filters button{background:#fff;border:1px solid var(--vc-line);border-radius:100px;padding:9px 16px;min-height:44px;font-size:13px;color:var(--vc-muted)}.vc-filters button[aria-pressed=true]{background:#172b4c;color:#fff;border-color:#172b4c}.vc-search-status{font-size:12px;color:var(--vc-muted);min-height:20px;margin:10px 0}.vc-tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.vc-tool{display:block;min-width:0;background:#fff;border:1px solid var(--vc-line);border-radius:15px;padding:22px;transition:border-color .15s,box-shadow .15s}.vc-tool:hover{border-color:#8099e7;box-shadow:0 8px 20px #172b4c08;color:var(--vc-ink)}.vc-tool[aria-current=page]{border-color:#3155df;background:#f2f5ff}.vc-tool>span{font-size:10px;font-weight:650;color:#5a6f91}.vc-tool h3{font-size:17px;line-height:1.5;margin:10px 0 8px;display:flex;justify-content:space-between;gap:10px}.vc-tool h3>span{flex:none;color:#667fa7}.vc-tool p{font-size:12px;color:var(--vc-muted);margin:0;line-height:1.8}
@media(max-width:1050px){.vc-workspace{gap:18px}.vc-panel{padding:22px}.vc-fields{grid-template-columns:1fr}.vc-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.vc-hero{align-items:flex-start}.vc-hero p{font-size:15px}}
@media(max-width:900px){.vc{padding-top:22px}.vc-hero{display:block}.vc-hero h1{font-size:32px}.vc-library-link{display:inline-flex;margin-top:20px}.vc-workspace{grid-template-columns:1fr}.vc-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.vc-method{grid-template-columns:1fr;gap:18px;margin:28px 0;padding:28px 0}.vc-library-head{display:block}.vc-search{display:block;margin-top:18px;width:100%}.vc-library h2{font-size:24px}.vc-panel{border-radius:16px}.vc-meta{gap:8px;margin:20px 0;flex-direction:column}.vc-empty{padding:22px 8px}.vc-metric dd{font-size:20px}.vc-metric:first-child dd{font-size:28px}}
@media(max-width:480px){.vc-hero h1{font-size:29px}.vc-fields,.vc-tool-grid,.vc-comparison-grid{grid-template-columns:1fr}.vc-panel{padding:20px}.vc-panel-head h2{font-size:18px}.vc-breadcrumb{font-size:11px;gap:6px 9px}.vc-result-badge{font-size:9px}.vc-metrics{grid-template-columns:1fr}.vc-metric:first-child dd{font-size:27px}.vc-tool{padding:20px}.vc-filters{gap:7px}.vc-filters button{font-size:12px;padding:8px 13px}.vc-form-actions{gap:9px}.vc-library-link{font-size:12px}.vc-input-summary dl{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
@media(prefers-reduced-motion:reduce){.vc *{transition:none!important;scroll-behavior:auto!important}}
@media print{.masthead,.footer,.skip,.vc-breadcrumb,.vc-hero>a,.vc-entry,.vc-library,.vc-result-actions,.vc-compare button{display:none!important}.wrap.vc-shell{width:100%;max-width:none}.vc{padding:0;font-size:11pt}.vc-workspace,.vc-method{display:block}.vc-panel{box-shadow:none;border:1px solid #aaa;break-inside:avoid;margin:12px 0}.vc-table-scroll{max-height:none;overflow:visible}.vc table{min-width:0}.vc th{position:static}.vc-metric{break-inside:avoid}.vc-schedule{break-inside:auto}.vc-metric:first-child{background:#fff;color:#111;border-color:#aaa}.vc-metric:first-child dt{color:#333}.vc-method{margin:16px 0;padding:16px 0}.vc-hero h1{font-size:22pt}.vc-tool-grid{display:none}}

.vc-metric:last-child:nth-child(even){grid-column:1/-1}
@media(min-width:901px) and (max-width:1100px){.vc-metrics{grid-template-columns:1fr}}