/* SteuerNest – Multi-Step Rechner Engine */
.rk{max-width:900px;margin:0 auto}
.rk-shell{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-md);overflow:hidden}
.rk-top{padding:22px clamp(20px,4vw,34px) 0}
.rk-progress{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}
.rk-progress .lbl{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--red);font-weight:700;white-space:nowrap}
.rk-progress .cnt{font-size:.8rem;color:var(--muted);white-space:nowrap}
.rk-bar{height:6px;border-radius:999px;background:var(--paper-3);overflow:hidden;flex:1}
.rk-bar i{display:block;height:100%;background:var(--red);border-radius:999px;transition:width .35s cubic-bezier(.4,0,.2,1)}
.rk-body{padding:8px clamp(20px,4vw,34px) clamp(22px,4vw,30px)}
.rk-step{animation:rkIn .32s cubic-bezier(.4,0,.2,1)}
@keyframes rkIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.rk-q{font-family:var(--sans);font-weight:700;font-size:clamp(1.35rem,2.6vw,1.85rem);letter-spacing:-.02em;line-height:1.2;margin:14px 0 6px;color:var(--ink)}
.rk-help{color:var(--muted);font-size:.94rem;line-height:1.6;margin-bottom:22px;max-width:60ch}
.rk-fields{display:flex;flex-direction:column;gap:22px}
.rk-field>label,.rk-field .flabel{display:block;font-size:.92rem;font-weight:600;color:var(--ink);margin-bottom:9px}
.rk-field .fhelp{font-size:.82rem;color:var(--muted);line-height:1.5;margin-top:7px}
.rk-opts{display:grid;gap:11px}
.rk-opts.cols-2{grid-template-columns:1fr 1fr}
.rk-opt{text-align:left;display:flex;align-items:flex-start;gap:13px;padding:15px 17px;border:1.5px solid var(--line-2);border-radius:14px;background:var(--white);cursor:pointer;transition:border-color .15s,background .15s,box-shadow .15s;width:100%}
.rk-opt:hover{border-color:var(--red-soft-2);background:var(--paper)}
.rk-opt.on{border-color:var(--red);background:var(--red-soft);box-shadow:0 0 0 3px var(--red-soft)}
.rk-opt .dot{width:20px;height:20px;border-radius:50%;border:2px solid var(--line-2);flex-shrink:0;margin-top:1px;position:relative;transition:border-color .15s}
.rk-opt.on .dot{border-color:var(--red)}
.rk-opt.on .dot::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--red)}
.rk-opt .ot{font-weight:600;color:var(--ink);font-size:.96rem;line-height:1.35}
.rk-opt .os{display:block;font-weight:400;color:var(--muted);font-size:.84rem;margin-top:3px;line-height:1.45}
.rk-seg{display:flex;flex-wrap:wrap;gap:8px}
.rk-seg button{flex:1;min-width:80px;padding:.72em .8em;border-radius:11px;border:1.5px solid var(--line-2);background:var(--white);font:inherit;font-size:.9rem;font-weight:600;color:var(--ink-3);cursor:pointer;transition:all .15s}
.rk-seg button:hover{border-color:var(--red-soft-2)}
.rk-seg button.on{background:var(--red);border-color:var(--red);color:#fff;box-shadow:var(--shadow-red)}
.rk-input{display:flex;align-items:center;gap:0;border:1.5px solid var(--line-2);border-radius:12px;background:var(--white);overflow:hidden;transition:border-color .15s,box-shadow .15s;max-width:340px}
.rk-input:focus-within{border-color:var(--red);box-shadow:0 0 0 3px var(--red-soft)}
.rk-input input{font:inherit;font-size:1.15rem;font-weight:600;font-variant-numeric:tabular-nums;border:none;outline:none;background:transparent;padding:13px 15px;width:100%;color:var(--ink);-moz-appearance:textfield}
.rk-input input::-webkit-outer-spin-button,.rk-input input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.rk-input .suf{padding:0 16px;font-size:.92rem;font-weight:600;color:var(--muted);white-space:nowrap;border-left:1px solid var(--line);align-self:stretch;display:flex;align-items:center;background:var(--paper-2)}
.rk-range{display:flex;flex-direction:column;gap:12px;max-width:520px}
.rk-range .rv{display:flex;align-items:baseline;gap:8px;font-variant-numeric:tabular-nums}
.rk-range .rv b{font-size:1.9rem;font-family:var(--sans);font-weight:700;color:var(--red);line-height:1}
.rk-range .rv span{font-size:.9rem;color:var(--muted);font-weight:600}
.rk-range input[type=range]{width:100%;accent-color:var(--red);height:6px}
.rk-select{position:relative;max-width:340px}
.rk-select select{font:inherit;font-size:.98rem;font-weight:500;width:100%;padding:13px 40px 13px 15px;border:1.5px solid var(--line-2);border-radius:12px;background:var(--white);color:var(--ink);cursor:pointer;appearance:none;transition:border-color .15s,box-shadow .15s}
.rk-select select:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px var(--red-soft)}
.rk-select::after{content:"";position:absolute;right:16px;top:50%;width:9px;height:9px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:translateY(-70%) rotate(45deg);pointer-events:none}
.rk-check{display:flex;gap:12px;align-items:flex-start;cursor:pointer;font-size:.93rem;color:var(--ink-3);line-height:1.5;background:var(--paper-2);border:1.5px solid var(--line);border-radius:13px;padding:15px 17px;transition:border-color .15s,background .15s}
.rk-check:hover{border-color:var(--red-soft-2)}
.rk-check.on{border-color:var(--red);background:var(--red-soft)}
.rk-check input{position:absolute;opacity:0;pointer-events:none}
.rk-check .cbox{width:22px;height:22px;border-radius:7px;border:2px solid var(--line-2);flex-shrink:0;display:grid;place-items:center;transition:all .15s;background:#fff}
.rk-check.on .cbox{background:var(--red);border-color:var(--red)}
.rk-check .cbox svg{width:14px;height:14px;stroke:#fff;opacity:0;transition:opacity .15s}
.rk-check.on .cbox svg{opacity:1}
.rk-err{color:var(--red);font-size:.82rem;font-weight:600;margin-top:10px;display:none}
.rk-err.show{display:block}
.rk-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px clamp(20px,4vw,34px);border-top:1px solid var(--line);background:var(--paper)}
.rk-nav .rk-back{background:none;border:none;color:var(--muted);font:inherit;font-size:.92rem;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px;padding:8px 4px;transition:color .15s}
.rk-nav .rk-back:hover{color:var(--ink)}
.rk-nav .rk-back svg{width:16px;height:16px}
.rk-nav .rk-back[disabled]{opacity:0;pointer-events:none}
/* result */
.rk-result{animation:rkIn .4s cubic-bezier(.4,0,.2,1)}
.rk-hero{background:radial-gradient(130% 120% at 80% 0%,var(--red-soft),var(--white));border-bottom:1px solid var(--line);padding:clamp(26px,4vw,40px) clamp(20px,4vw,34px)}
.rk-hero .kick{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--red);font-weight:700;margin-bottom:12px}
.rk-figure{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.rk-figure .big{font-family:var(--sans);font-weight:700;font-size:clamp(2.6rem,7vw,4rem);line-height:.95;letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums}
.rk-figure .fl{font-size:.98rem;color:var(--ink-3);font-weight:600;max-width:22ch;line-height:1.35}
.rk-sub{margin-top:12px;color:var(--ink-3);font-size:.98rem;line-height:1.6;max-width:62ch}
.rk-result-body{padding:clamp(22px,4vw,30px) clamp(20px,4vw,34px)}
.rk-sec{margin-bottom:26px}
.rk-sec:last-child{margin-bottom:0}
.rk-sec>h3{font-size:.72rem;font-family:var(--mono);letter-spacing:.11em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:13px;display:flex;align-items:center;gap:8px}
.rk-sec>h3 svg{width:15px;height:15px;stroke:var(--red)}
.rk-rows{border:1px solid var(--line);border-radius:14px;overflow:hidden}
.rk-row{display:flex;justify-content:space-between;gap:16px;padding:13px 17px;border-bottom:1px solid var(--line);font-size:.94rem}
.rk-row:last-child{border-bottom:none}
.rk-row:nth-child(odd){background:var(--paper)}
.rk-row .rl{color:var(--ink-3);line-height:1.4}
.rk-row .rl small{display:block;color:var(--muted);font-size:.8rem;margin-top:2px}
.rk-row .rr{font-weight:700;color:var(--ink);white-space:nowrap;font-variant-numeric:tabular-nums;text-align:right}
.rk-row.total{background:var(--red-soft) !important;border-top:1px solid var(--red-soft-2)}
.rk-row.total .rr{color:var(--red);font-size:1.05rem}
.rk-list{display:flex;flex-direction:column;gap:10px}
.rk-li{display:flex;gap:11px;align-items:flex-start;font-size:.93rem;color:var(--ink-3);line-height:1.55}
.rk-li .ic{width:20px;height:20px;flex-shrink:0;margin-top:1px;display:grid;place-items:center;border-radius:6px}
.rk-li .ic svg{width:14px;height:14px;stroke-width:2.4}
.rk-li.ok .ic{background:#E7F3EC;color:#1E8E4A}
.rk-li.warn .ic{background:#FCF0DA;color:#B5791A}
.rk-li.doc .ic{background:var(--paper-3);color:var(--ink-3)}
.rk-reco{background:var(--paper-2);border:1px solid var(--line);border-left:3px solid var(--red);border-radius:12px;padding:17px 19px;font-size:.95rem;line-height:1.65;color:var(--ink-3)}
.rk-reco b{color:var(--ink)}
.rk-flinks{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.rk-flink{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:13px;background:var(--white);color:var(--ink);font-size:.92rem;font-weight:600;transition:border-color .15s,box-shadow .15s;text-decoration:none}
.rk-flink:hover{border-color:var(--red);box-shadow:var(--shadow-sm);color:var(--red)}
.rk-flink .fi{width:34px;height:34px;border-radius:9px;background:var(--red-soft);display:grid;place-items:center;flex-shrink:0}
.rk-flink .fi svg{width:17px;height:17px;stroke:var(--red)}
.rk-flink small{display:block;font-weight:400;color:var(--muted);font-size:.8rem;margin-top:2px}
.rk-flink .fx{margin-left:auto;width:16px;height:16px;stroke:var(--muted);flex-shrink:0}
.rk-result-actions{display:flex;flex-wrap:wrap;gap:10px;padding:0 clamp(20px,4vw,34px) clamp(22px,4vw,30px)}
.rk-result-actions .btn{flex:1;justify-content:center;min-width:150px}
.rk-disc{display:flex;gap:13px;align-items:flex-start;background:var(--paper-2);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:0 clamp(20px,4vw,34px) clamp(22px,4vw,30px)}
.rk-disc svg{width:20px;height:20px;stroke:var(--red);flex-shrink:0;margin-top:2px}
.rk-disc p{margin:0;font-size:.85rem;color:var(--muted);line-height:1.6}
.rk-disc b{color:var(--ink-3)}
@media (max-width:600px){.rk-opts.cols-2{grid-template-columns:1fr}.rk-flinks{grid-template-columns:1fr}.rk-figure .big{font-size:2.6rem}}
@media print{.header,.mobile-menu,.search-overlay,.rk-nav,.rk-result-actions,.crumb,.footer,.cta-band,.rk-flinks,.subhead .rg-aside{display:none !important}.rk-shell{box-shadow:none;border:none}}