@font-face{font-family:"Plex";src:url(fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex";src:url(fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Plex";src:url(fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"PlexMono";src:url(fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"PlexMono";src:url(fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
:root{--bg:#f4f3ef;--paper:#fbfaf7;--ink:#26292b;--ink2:#5b6064;--line:#d9d7d0;--line2:#c4c1b8;--acc:#2f5d4e;--acc2:#e4ece8;--sig:#d0611f;
--f:"Plex",system-ui,sans-serif;--m:"PlexMono",ui-monospace,monospace;--r:2px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.55 var(--f);font-feature-settings:"tnum" 0}
a{color:var(--acc);text-underline-offset:.18em}
a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--sig);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
header.site{border-bottom:1px solid var(--line);background:var(--paper)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.mark{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:600;letter-spacing:.01em}
.mark i{width:14px;height:14px;border-radius:50%;background:var(--sig);display:inline-block}
nav.top a{color:var(--ink2);text-decoration:none;font-size:14px;margin-left:20px}
nav.top a:hover{color:var(--ink)}
.intro{padding:56px 0 40px;border-bottom:1px solid var(--line)}
.eyebrow{font:500 12px/1 var(--m);letter-spacing:.12em;text-transform:uppercase;color:var(--ink2);margin:0 0 18px}
h1{font-weight:500;font-size:clamp(30px,5vw,48px);line-height:1.1;letter-spacing:-.015em;margin:0 0 18px;max-width:18ch}
.lead{font-size:18px;color:var(--ink2);max-width:60ch;margin:0}
.grid{display:grid;grid-template-columns:1fr;gap:40px;padding:40px 0 64px}
@media(min-width:960px){.grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px}.sticky{position:sticky;top:24px}}
fieldset{border:0;border-top:1px solid var(--ink);margin:0 0 36px;padding:18px 0 0}
legend{display:flex;gap:14px;align-items:baseline;padding:0 0 4px;font-weight:500;font-size:19px}
legend .n{font:500 12px var(--m);color:var(--ink2)}
.hint{font-size:13.5px;color:var(--ink2);margin:6px 0 0}
.row{display:grid;grid-template-columns:1fr;gap:18px;margin-top:18px}
@media(min-width:560px){.row.two{grid-template-columns:1fr 1fr}.row.three{grid-template-columns:1fr 1fr 1fr}}
label.f{display:block;font-size:14px;font-weight:500}
label.f span.u{color:var(--ink2);font-weight:400}
input[type=number],input[type=text],select{display:block;width:100%;margin-top:6px;height:44px;padding:0 12px;font:inherit;font-size:16px;color:var(--ink);background:var(--paper);border:1px solid var(--line2);border-radius:var(--r);appearance:none;-webkit-appearance:none}
select{background-image:linear-gradient(45deg,transparent 50%,var(--ink2) 50%),linear-gradient(135deg,var(--ink2) 50%,transparent 50%);background-position:calc(100% - 18px) 19px,calc(100% - 13px) 19px;background-size:5px 5px;background-repeat:no-repeat;padding-right:34px}
input:hover,select:hover{border-color:var(--ink2)}
input:focus,select:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px var(--acc2)}
input[type=number]{font-family:var(--m);font-size:15px}
.seg{display:flex;border:1px solid var(--line2);border-radius:var(--r);overflow:hidden;margin-top:6px;background:var(--paper)}
.seg label{flex:1;position:relative;cursor:pointer}
.seg input{position:absolute;opacity:0;inset:0;cursor:pointer}
.seg span{display:block;text-align:center;padding:11px 8px;font-size:14px;border-left:1px solid var(--line2);transition:background .15s,color .15s}
.seg label:first-child span{border-left:0}
.seg input:checked+span{background:var(--ink);color:var(--paper)}
.seg input:focus-visible+span{outline:2px solid var(--sig);outline-offset:-3px}
.checks{display:grid;gap:10px;margin-top:10px}
.checks label{display:flex;gap:12px;align-items:flex-start;font-size:15px;cursor:pointer}
.checks input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--acc);flex:none}
.checks.disabled{opacity:.45}
.method-panel[hidden]{display:none}
/* Ergebnis */
.result{background:var(--paper);border:1px solid var(--line);padding:28px 24px}
.result h2{font:500 12px/1 var(--m);letter-spacing:.12em;text-transform:uppercase;color:var(--ink2);margin:0 0 20px}
.big{display:flex;align-items:baseline;gap:10px;font-weight:500;line-height:1}
.big .v{font-size:clamp(56px,9vw,80px);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.big .u{font-size:22px;color:var(--ink2)}
.sub{color:var(--ink2);margin:10px 0 0;font-size:15px}
.scale{position:relative;height:36px;margin:26px 0 6px}
.scale .bar{position:absolute;top:16px;left:0;right:0;height:2px;background:var(--line)}
.scale .range{position:absolute;top:13px;height:8px;background:var(--acc2);border:1px solid var(--acc)}
.scale .pt{position:absolute;top:8px;width:2px;height:18px;background:var(--sig);transform:translateX(-1px);transition:left .25s ease}
.scale .range{transition:left .25s ease,width .25s ease}
.ticks{display:flex;justify-content:space-between;font:400 11px var(--m);color:var(--ink2)}
dl.kv{display:grid;grid-template-columns:1fr auto;margin:24px 0 0;border-top:1px solid var(--line)}
dl.kv dt,dl.kv dd{padding:10px 0;border-bottom:1px solid var(--line);margin:0;font-size:15px}
dl.kv dt{color:var(--ink2)}
dl.kv dd{font-family:var(--m);font-size:14.5px;text-align:right;font-variant-numeric:tabular-nums}
dl.kv dd.pos{color:var(--acc);font-weight:500}
.note{border-left:3px solid var(--sig);padding:12px 14px;background:#f8efe8;font-size:14px;margin-top:22px}
.actions{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
button{font:inherit;font-size:15px;font-weight:500;height:44px;padding:0 18px;border-radius:var(--r);border:1px solid var(--ink);background:var(--ink);color:var(--paper);cursor:pointer}
button.ghost{background:transparent;color:var(--ink)}
button:hover{background:var(--acc);border-color:var(--acc);color:#fff}
/* Text-Sektionen */
section.doc{border-top:1px solid var(--line);padding:48px 0}
section.doc h2{font-weight:500;font-size:26px;letter-spacing:-.01em;margin:0 0 6px}
section.doc h3{font-weight:500;font-size:17px;margin:28px 0 8px}
.cols{display:grid;gap:32px}
@media(min-width:960px){.cols{grid-template-columns:4fr 8fr;gap:56px}}
.formula{font-family:var(--m);font-size:14px;background:var(--paper);border:1px solid var(--line);padding:14px 16px;overflow-x:auto;white-space:pre;line-height:1.7}
.live{font-family:var(--m);font-size:13.5px;color:var(--acc);white-space:pre-wrap;margin-top:8px}
table{border-collapse:collapse;width:100%;font-size:14.5px}
th,td{text-align:left;padding:9px 10px 9px 0;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:500;color:var(--ink2);font-size:13px}
td.num{font-family:var(--m);text-align:right;white-space:nowrap}
ol.src{padding-left:22px;font-size:14.5px}
ol.src li{margin-bottom:8px}
.tag{font:500 11px var(--m);letter-spacing:.06em;text-transform:uppercase;padding:2px 6px;border:1px solid var(--line2);color:var(--ink2);border-radius:var(--r);white-space:nowrap}
.tag.a{border-color:var(--sig);color:var(--sig)}
.disclaimer{background:var(--ink);color:#e9e8e3;padding:28px 24px;margin:0 0 0}
.disclaimer strong{color:#fff;font-weight:500}
footer.site{border-top:1px solid var(--line);padding:28px 0 48px;font-size:14px;color:var(--ink2)}
footer.site .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between}
footer.site a{color:var(--ink2)}
.legal{max-width:70ch;padding:48px 0 72px}
.legal h1{font-size:36px}
.placeholder{background:#fff3cd;border:1px dashed #b88a00;padding:2px 6px;font-family:var(--m);font-size:14px}

@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media print{
 @page{size:A4;margin:16mm 16mm 18mm}
 body{background:#fff;font-size:10.5pt}
 header.site nav,.actions,.intro .lead,#inputs,footer.site nav,.no-print{display:none!important}
 .print-only{display:block}
 .intro{padding:0 0 10pt}
 h1{font-size:20pt}
 .grid{display:block;padding:0}
 .result{border:1px solid #999;padding:12pt;break-inside:avoid}
 .big .v{font-size:40pt}
 section.doc{padding:14pt 0;break-inside:auto}
 .cols{display:block}
 .formula{white-space:pre-wrap;font-size:8.5pt}
 .disclaimer{background:#fff;color:#000;border:1px solid #000}
 .disclaimer strong{color:#000}
 a{color:#000;text-decoration:none}
}
legend{float:left;width:100%}
legend+*{clear:both}
fieldset>.seg,fieldset>.row,fieldset>.checks{clear:both}
.mbar{display:none}
@media(max-width:640px){nav.top{display:none}
 .mbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:5;background:var(--ink);color:var(--paper);justify-content:space-between;align-items:center;padding:12px 20px calc(12px + env(safe-area-inset-bottom));font-size:14px;text-decoration:none;transition:transform .2s}
 .mbar b{font:500 20px var(--m)}
 .mbar.hide{transform:translateY(110%)}
 body{padding-bottom:64px}}
@media print{.mbar{display:none!important}}
@media screen{.print-only{display:none!important}}
@media print{dl.kv.print-only{display:grid!important}}