:root{--bg:#ffffff;--ink:#0f1720;--muted:#54606e;--rule:#d9e0e8;--soft:#f3f6f9;--lead-bg:#f0f7e4;--accent:#a7d129;--accent-ink:#12314f;--on-accent:#0f1720;--focus:#12314f;--head-bg:#12314f;--head-ink:#ffffff;--alert-bg:#fff7e8;--alert-bd:#e9cf95;--alert-ink:#7c5a12;--foot-bg:#0f1720;--foot-ink:#e2e9ef;--f-head:'Futura','Century Gothic','URW Gothic',Avenir,system-ui,sans-serif;--f-body:'Inter','Roboto','Helvetica Neue',system-ui,sans-serif;--f-mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace;--rad:10px;}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0}
img,svg{max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:2px}
.skip{position:absolute;left:-9999px;top:0;background:var(--bg);color:var(--ink);padding:.75rem 1rem;z-index:99}
.skip:focus{left:0}
table{border-collapse:collapse;width:100%}
html,body{overflow-x:hidden}
h1,h2,h3,p,li,td,th,dt,dd{overflow-wrap:break-word}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:18px;line-height:1.62;
font-variant-numeric:tabular-nums}
.calc-head{background:var(--head-bg);color:var(--head-ink);
border-bottom:4px solid var(--accent)}
.calc-head a{color:inherit}
.calc-wrap{max-width:66rem;margin:0 auto;padding:1rem 1.25rem;display:flex;align-items:center;
justify-content:space-between;gap:1rem;flex-wrap:wrap}
.calc-brand{display:flex;align-items:center;gap:.5rem;text-decoration:none;font-family:var(--f-head);
font-weight:700;font-size:1.08rem;letter-spacing:-.01em;
text-transform:none}
header nav ul{list-style:none;display:flex;gap:1.1rem;margin:0;padding:0;flex-wrap:wrap;font-size:.93rem}
header nav a{text-decoration:none;opacity:.88}
header nav a:hover{opacity:1;text-decoration:underline}
.calc-tabs{background:var(--soft)}
.calc-tabs ul{max-width:66rem;margin:0 auto;padding:.5rem 1.25rem;list-style:none;display:flex;
gap:.4rem;flex-wrap:wrap;font-size:.9rem}
.calc-tabs a{display:block;padding:.35rem .8rem;border-radius:999px;background:var(--bg);
text-decoration:none;border:1px solid var(--rule);color:var(--ink)}
.calc-tabs a:hover{border-color:var(--accent);color:var(--accent-ink)}
.calc-main{max-width:52rem;margin:0 auto;padding:1.4rem 1.25rem}
.calc-crumbs{font-size:.84rem;color:var(--muted);margin:.4rem 0 1.1rem}
.calc-h1{font-family:var(--f-head);font-size:clamp(1.7rem,4.6vw,2.25rem);line-height:1.22;
margin:0 0 .9rem;font-weight:700;letter-spacing:-.02em}
.calc-lead{background:var(--lead-bg);border-left:6px solid var(--accent);border-radius:var(--rad);
padding:1rem 1.15rem;margin:0 0 1.6rem}
.calc-lead p{margin:0}
.calc-leadlabel{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;
color:var(--accent-ink);margin-bottom:.3rem!important}
.calc-toc{background:var(--soft);border-radius:var(--rad);padding:.8rem 1rem;margin:0 0 1.6rem;font-size:.92rem}
.calc-toc b{display:block;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;
color:var(--muted);margin-bottom:.35rem}
.calc-toc ol{margin:0;padding-left:1.2rem}
.calc-toc li{margin:.25rem 0}
.calc-h2{font-family:var(--f-head);font-size:1.3rem;margin:2.2rem 0 .65rem;line-height:1.3;
display:flex;gap:.6rem;align-items:baseline}
.calc-hn{font-family:var(--f-mono);font-size:.8em;color:var(--accent-ink)}
.calc-h3{font-family:var(--f-head);font-size:1.05rem;margin:1.5rem 0 .35rem}
p{margin:0 0 1rem}
.calc-list,.calc-nlist{margin:0 0 1.1rem;padding-left:1.3rem}
.calc-list li,.calc-nlist li{margin:.35rem 0}
.calc-alert{display:block;background:var(--alert-bg);border-radius:var(--rad);padding:.85rem 1rem;
margin:1.4rem 0;font-size:.95rem;border:1px solid var(--alert-bd)}
.calc-alert b{display:block;color:var(--alert-ink);margin-bottom:.25rem}
.calc-quote{margin:1.4rem 0;padding:.8rem 1rem;background:var(--soft);border-radius:var(--rad)}
.calc-quote blockquote{margin:0;font-size:.97rem}
.calc-quote figcaption{font-size:.8rem;color:var(--muted);margin-top:.4rem}
.calc-tablewrap{overflow-x:auto;margin:1.5rem 0;border:1px solid var(--rule);border-radius:var(--rad)}
th,td{padding:.6rem .75rem;text-align:left;font-size:.92rem;border-bottom:1px solid var(--rule);vertical-align:top}
th{background:var(--head-bg);color:var(--head-ink);font-family:var(--f-head);
font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
tr:last-child td{border-bottom:0}
tbody tr:nth-child(even){background:var(--soft)}
caption{caption-side:top;text-align:left;font-size:.83rem;color:var(--muted);padding:.55rem .75rem}
.calc-defs dt{font-weight:700;margin-top:.9rem;font-family:var(--f-head)}
.calc-defs dd{margin:.15rem 0 0}
.calc-steps{list-style:none;padding:0;margin:1.4rem 0;display:grid;gap:.6rem}
.calc-steps li{display:flex;gap:.8rem;background:var(--soft);border-radius:var(--rad);padding:.75rem .9rem}
.calc-stepno{flex:0 0 1.8rem;height:1.8rem;background:var(--accent);color:var(--on-accent);
display:grid;place-items:center;border-radius:4px;font-weight:700;font-size:.9rem}
.calc-cardgrid{display:grid;gap:.7rem;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));margin:1.5rem 0}
.calc-card{display:block;border:1px solid var(--rule);border-radius:var(--rad);padding:.9rem 1rem;
text-decoration:none;background:var(--soft)}
.calc-card:hover{border-color:var(--accent);background:var(--lead-bg)}
.calc-card b{display:block;font-family:var(--f-head)}
.calc-card span{display:block;font-size:.87rem;color:var(--muted);margin-top:.25rem}
.calc-qa{border:1px solid var(--rule);border-radius:var(--rad);padding:.75rem 1rem;margin:.55rem 0;background:var(--soft)}
.calc-qa summary{cursor:pointer;font-weight:700;font-family:var(--f-head)}
.calc-qa div{padding-top:.5rem;font-size:.95rem}
.calc-next{margin:2.4rem 0 0;background:var(--lead-bg);border-radius:var(--rad);padding:1rem 1.15rem}
.calc-nexth{margin:0 0 .5rem;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-ink)}
.calc-next ul{margin:0;padding-left:1.2rem}
.calc-next li{margin:.35rem 0;font-size:.95rem}
.calc-src{margin:2rem 0 0;padding-top:.9rem;border-top:1px solid var(--rule)}
.calc-srch{margin:0 0 .5rem;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.calc-src ul{margin:0;padding-left:1.2rem;font-size:.93rem}
.calc-srcnote{font-size:.84rem;color:var(--muted);margin-top:.5rem}
.calc-klauzula{margin:1.7rem 0 0;font-size:.85rem;color:var(--muted);background:var(--soft);
border-radius:var(--rad);padding:.85rem 1rem}
.calc-klauzula p{margin:0}
.calc-dates{font-size:.82rem;color:var(--muted);margin-top:.9rem;font-family:var(--f-mono)}
.calc-tool{margin:1.2rem 0 2rem}
.calc-foot{margin-top:3.5rem;background:var(--foot-bg);color:var(--foot-ink)}
.calc-foot a{color:inherit}
.calc-foot .calc-wrap{display:block;padding:1.9rem 1.25rem 2.6rem;max-width:66rem}
.calc-footnote{font-size:.93rem;opacity:.88;max-width:36rem}
.calc-footnav{list-style:none;padding:0;margin:1rem 0;display:flex;gap:1.1rem;flex-wrap:wrap;font-size:.91rem}
.calc-copy{font-size:.81rem;opacity:.72;margin:0}

.ks{border:1px solid var(--rule);border-radius:var(--rad);overflow:hidden}
.ks-top{background:var(--soft);padding:1.1rem;border-bottom:1px solid var(--rule)}
.ks-tryb{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:.9rem}
.ks-tryb button{font:inherit;font-size:.92rem;font-weight:700;padding:.5rem 1rem;border-radius:6px;
border:1px solid var(--rule);background:#fff;cursor:pointer;color:var(--ink)}
.ks-tryb button[aria-pressed=true]{background:var(--accent-ink);color:#fff;border-color:var(--accent-ink)}
.ks-f{display:grid;gap:.85rem;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr))}
.ks-f label{display:block;font-size:.8rem;font-weight:700;color:var(--muted);margin-bottom:.25rem;
letter-spacing:.04em;text-transform:uppercase}
.ks-f input{width:100%;font:inherit;font-size:1.1rem;padding:.55rem .65rem;border:1px solid var(--rule);
border-radius:6px;background:#fff;color:var(--ink);font-variant-numeric:tabular-nums}
.ks-b{font:inherit;font-size:.94rem;font-weight:700;padding:.55rem 1.15rem;background:var(--accent);
color:var(--on-accent);border:0;border-radius:6px;cursor:pointer;margin-top:.9rem}
.ks-body{padding:1.1rem}
.ks-pas{display:flex;height:2.6rem;border-radius:6px;overflow:hidden;margin:.4rem 0 1.1rem;
border:1px solid var(--rule)}
.ks-pas span{display:grid;place-items:center;font-size:.82rem;font-weight:700;color:#fff;
white-space:nowrap;overflow:hidden}
.ks-leg{display:grid;gap:.5rem;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));margin-bottom:1rem}
.ks-leg div{border:1px solid var(--rule);border-radius:6px;padding:.65rem .8rem}
.ks-leg i{display:inline-block;width:.7rem;height:.7rem;border-radius:2px;margin-right:.4rem}
.ks-leg b{display:block;font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.ks-leg em{display:block;font-style:normal;font-size:1.25rem;font-weight:700;color:var(--accent-ink);
font-variant-numeric:tabular-nums}
.ks-uw{font-size:.89rem;color:var(--muted);border-top:1px solid var(--rule);padding-top:.75rem}
@media print{header,footer,nav,.ks-tryb,.ks-f,.ks-b{display:none!important}}