/* officeprobleme.de – kbk-core 1.0.0 · Systemschriften, keine externen Requests */
:root{--navy:#0E3B2E;--navy2:#17573F;--ink:#18222E;--muted:#5A6676;--line:#DFE8E2;--bg:#F7F9F6;--card:#fff;--accent:#F2B705;--accent-d:#8A6A00;--ok:#2B8A3E;--warn:#B35C00;--r:12px;--sh:0 1px 2px rgba(14,59,46,.06),0 6px 20px rgba(14,59,46,.06);--f:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--mono:ui-monospace,"Cascadia Code","Consolas","Menlo",monospace}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;font:400 1.0625rem/1.65 var(--f);color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto}
a{color:var(--navy2);text-underline-offset:3px}
a:hover{color:var(--accent-d)}
h1,h2,h3{line-height:1.2;color:var(--navy);letter-spacing:-.01em}
h1{font-size:clamp(1.75rem,4.2vw,2.6rem);margin:.3em 0 .5em}
h2{font-size:clamp(1.3rem,2.6vw,1.65rem);margin:1.8em 0 .6em}
h3{font-size:1.15rem}
code,pre{font-family:var(--mono);font-size:.92em}
::selection{background:#FFE3B8}
.kbk-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.kbk-skip{position:absolute;left:-999px;top:0;background:var(--accent);color:#000;padding:.5em 1em;z-index:50}.kbk-skip:focus{left:8px}
.kbk-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 16px}
.kbk-wrap--read{max-width:860px}
/* Kopf */
.kbk-head{position:sticky;top:0;z-index:20;background:rgba(14,59,46,.96);backdrop-filter:saturate(1.4) blur(8px);color:#fff}
.kbk-head-in{display:flex;align-items:center;gap:16px;min-height:64px}
.kbk-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;font-size:1.12rem;letter-spacing:-.01em}
.kbk-logo em{font-style:normal;color:var(--accent)}
.kbk-logo:hover{color:#fff}
.kbk-nav{display:none;margin-left:auto;align-items:center;gap:2px}
.kbk-nav a{color:#DDEDE4;text-decoration:none;padding:.45em .7em;border-radius:8px;font-size:.97rem}
.kbk-nav a:hover,.kbk-nav a[aria-current]{background:rgba(255,255,255,.1);color:#fff}
.kbk-nav .kbk-nav-cta{margin-left:8px;color:#1B1200}
.kbk-burger{margin-left:auto;background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:8px;padding:.4em .8em;font:inherit;cursor:pointer}
.kbk-nav.is-open{display:flex;flex-direction:column;align-items:stretch;position:absolute;left:0;right:0;top:64px;background:var(--navy);padding:8px 16px 16px;box-shadow:0 10px 24px rgba(0,0,0,.25)}
@media (min-width:1080px){.kbk-burger{display:none}.kbk-nav{display:flex}}
/* Buttons */
.kbk-btn{display:inline-block;font:600 1rem/1.2 var(--f);padding:.75em 1.2em;border-radius:10px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s}
.kbk-btn:hover{transform:translateY(-1px)}
.kbk-btn--accent{background:var(--accent);color:#1B1200}.kbk-btn--accent:hover{background:#FFC933;color:#1B1200}
.kbk-btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}.kbk-btn--ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.kbk-btn--ghost-dark{border-color:var(--line);color:var(--navy);background:#fff}
.kbk-btn--light{background:#fff;color:var(--navy)}
/* Hero */
.kbk-hero{background:radial-gradient(1100px 420px at 85% -10%,#2F7D5B 0%,transparent 60%),linear-gradient(160deg,#0E3B2E,#12493A);color:#fff;padding:56px 0 64px}
.kbk-hero h1{color:#fff;font-size:clamp(2rem,5vw,3.4rem);max-width:17ch;margin-top:.2em}
.kbk-hero h1 em{font-style:normal;color:var(--accent)}
.kbk-lead{font-size:1.15rem;color:inherit;max-width:66ch}
.kbk-hero .kbk-lead{color:#D7E8DF}
.kbk-eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-d);margin:0}
.kbk-hero .kbk-eyebrow{color:var(--accent)}
.kbk-hero-search{display:flex;flex-wrap:wrap;gap:8px;max-width:640px;margin:24px 0 12px}
.kbk-hero-search input{flex:1 1 260px;min-width:0;font:inherit;padding:.8em 1em;border-radius:10px;border:0;color:var(--ink)}
.kbk-hero-links{display:flex;flex-wrap:wrap;gap:8px}
.kbk-stats{background:#0A2A20;color:#fff;padding:28px 0}
.kbk-stats .kbk-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.kbk-stats b{display:block;font-size:2.2rem;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums}
.kbk-stats span{font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:#B5D0C2}
@media (min-width:760px){.kbk-stats .kbk-wrap{grid-template-columns:repeat(4,1fr)}}
/* Inhalt */
.kbk-main{padding:24px 0 64px}
.kbk-crumbs{font-size:.88rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 8px}
.kbk-crumbs a{color:var(--muted)}
.kbk-sec{margin:40px 0}
.kbk-answer{background:#FFF7EA;border-left:4px solid var(--accent);border-radius:0 var(--r) var(--r) 0;padding:14px 18px;margin:16px 0 20px}
.kbk-answer strong{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--warn)}
.kbk-answer p{margin:.2em 0 0;font-size:1.1rem}
.kbk-msg{background:#fff;border:1px dashed #C3D3C9;border-radius:var(--r);padding:12px 16px;font-family:var(--mono);font-size:.93rem}
.kbk-msg span{display:block;font-family:var(--f);font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.kbk-steps ol,.kbk-result ol{counter-reset:s;list-style:none;padding:0}
.kbk-steps li,.kbk-result li{counter-increment:s;position:relative;padding:12px 14px 12px 52px;background:#fff;border:1px solid var(--line);border-radius:var(--r);margin:8px 0}
.kbk-steps li::before,.kbk-result li::before{content:counter(s);position:absolute;left:12px;top:11px;width:28px;height:28px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;display:grid;place-items:center;font-size:.9rem}
.kbk-list ul,.kbk-ticks{padding-left:0;list-style:none}
.kbk-list li,.kbk-ticks li{position:relative;padding:4px 0 4px 26px}
.kbk-list li::before,.kbk-ticks li::before{content:"";position:absolute;left:4px;top:.75em;width:9px;height:9px;border-radius:2px;background:var(--accent)}
.kbk-list--causes li::before{background:var(--navy2)}
.kbk-tip{background:#EEF6F0;border-left:4px solid var(--ok);border-radius:0 var(--r) var(--r) 0;padding:12px 16px;margin:20px 0}
.kbk-tip strong{color:var(--ok)}.kbk-tip p{margin:.2em 0 0}
.kbk-note,.kbk-stand,.kbk-source,.kbk-meta,.kbk-credit{color:var(--muted);font-size:.92rem}
.kbk-stand{margin-top:32px;border-top:1px solid var(--line);padding-top:12px}
.kbk-chips{display:flex;flex-wrap:wrap;gap:8px}
.kbk-chips a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:.35em .85em;text-decoration:none;font-size:.95rem}
.kbk-chips a:hover{border-color:var(--accent)}
/* Karten */
.kbk-cards{display:grid;grid-template-columns:1fr;gap:14px}
@media (min-width:640px){.kbk-cards{grid-template-columns:repeat(2,1fr)}}
@media (min-width:980px){.kbk-wrap:not(.kbk-wrap--read) .kbk-cards{grid-template-columns:repeat(3,1fr)}.kbk-cards--4{grid-template-columns:repeat(4,1fr)!important}}
.kbk-card{display:flex;flex-direction:column;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;text-decoration:none;color:var(--ink);box-shadow:var(--sh);transition:border-color .15s,transform .15s}
.kbk-card:hover{border-color:var(--accent);transform:translateY(-2px);color:var(--ink)}
.kbk-card strong{color:var(--navy);font-size:1.08rem}
.kbk-card span{color:var(--muted);font-size:.95rem}
.kbk-badge{align-self:flex-start;font-size:.74rem!important;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--warn)!important;background:#FFF1DC;border-radius:6px;padding:.1em .5em}
.kbk-cluster-grid{display:grid;grid-template-columns:1fr;gap:14px}
@media (min-width:640px){.kbk-cluster-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:980px){.kbk-cluster-grid{grid-template-columns:repeat(4,1fr)}}
.kbk-cluster-card{position:relative;display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:var(--r);padding:18px;text-decoration:none;color:var(--ink);box-shadow:var(--sh)}
.kbk-cluster-card:hover{border-color:var(--accent);color:var(--ink)}
.kbk-nr{font:700 .8rem var(--mono);color:var(--accent-d)}
.kbk-cluster-card strong{font-size:1.15rem;color:var(--navy)}
.kbk-cluster-card span{color:var(--muted);font-size:.95rem}
.kbk-cluster-card em{font-style:normal;font-weight:600;color:var(--navy2);margin-top:auto}
.kbk-split{display:grid;gap:24px}
@media (min-width:900px){.kbk-split{grid-template-columns:1fr 1fr;align-items:start}}
.kbk-standards{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.kbk-standards li{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px}
.kbk-standards b{flex:0 0 40px;height:40px;border-radius:10px;background:var(--navy);color:var(--accent);display:grid;place-items:center;font-size:1.1rem}
.kbk-standards strong{display:block;color:var(--navy)}
.kbk-final{background:var(--navy);color:#fff;border-radius:16px;padding:36px 24px;text-align:center;margin:48px 0 0}
.kbk-final h2{color:#fff;margin-top:0}
.kbk-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;background:var(--navy);color:#fff;border-radius:var(--r);padding:18px 20px;margin:36px 0}
.kbk-band p{margin:.2em 0 0;color:#C8DED2}
/* Tabellen, Code, Fakten */
.kbk-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--r);background:#fff}
.kbk-table{width:100%;border-collapse:collapse;font-size:.95rem}
.kbk-table th,.kbk-table td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.kbk-table th{background:#EEF5F0;color:var(--navy);position:sticky;top:0}
.kbk-table tr:last-child td{border-bottom:0}
.kbk-code{background:#0C2219;color:#E9F1F8;border-radius:10px;padding:14px 16px;overflow-x:auto;white-space:pre-wrap;word-break:break-word}
.kbk-facts{display:grid;grid-template-columns:1fr;gap:10px;margin:12px 0 0}
@media (min-width:640px){.kbk-facts{grid-template-columns:repeat(3,1fr)}}
.kbk-facts div{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px}
.kbk-facts dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.kbk-facts dd{margin:0;font-weight:700;color:var(--navy)}
.kbk-gl div{padding:10px 0;border-bottom:1px solid var(--line)}
.kbk-gl dt{font-weight:700}.kbk-gl dd{margin:2px 0 0;color:var(--muted)}
/* Werkzeuge */
.kbk-tool{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--sh);margin:20px 0}
.kbk-tool label{display:block;font-weight:600;margin:10px 0 6px}
.kbk-input{width:100%;font:inherit;padding:.75em .9em;border:1px solid #C3D3C9;border-radius:10px;background:#fff;color:var(--ink)}
.kbk-input:focus,.kbk-hero-search input:focus{outline:3px solid #FFD08A;outline-offset:1px}
.kbk-mono{font-family:var(--mono);font-size:.95rem}
.kbk-out{display:block;min-height:3em;padding:.75em .9em;border-radius:10px;background:#0C2219;color:#E9F1F8;word-break:break-word;white-space:pre-wrap}
.kbk-seg{display:flex;flex-wrap:wrap;gap:8px}
.kbk-seg label{display:flex;align-items:center;gap:6px;margin:0;background:#EEF5F0;border-radius:999px;padding:.35em .9em;font-weight:500;cursor:pointer}
.kbk-hint{color:var(--muted);font-size:.9rem}
.kbk-empty{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px}
.kbk-opts{list-style:none;padding:0;display:grid;gap:10px}
.kbk-opts a{display:block;background:#fff;border:2px solid var(--line);border-radius:12px;padding:14px 16px;text-decoration:none;font-weight:600;color:var(--navy)}
.kbk-opts a:hover,.kbk-opts a:focus{border-color:var(--accent)}
.kbk-node{scroll-margin-top:80px;margin-bottom:28px}
.kbk-diag.is-js .kbk-node{display:none}.kbk-diag.is-js .kbk-node.is-on{display:block}
.kbk-result{background:#fff;border:1px solid var(--line);border-top:4px solid var(--ok);border-radius:var(--r);padding:8px 18px 14px}
.kbk-result h2{margin-top:.3em}
/* Artikel (WordPress-Inhalte) */
.kbk-content h2{margin-top:1.6em}
.kbk-content img{border-radius:10px}
.kbk-content table{width:100%;border-collapse:collapse;display:block;overflow-x:auto}
.kbk-content th,.kbk-content td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.kbk-content .sw-answer,.kbk-content .kbk-answer{background:#FFF7EA;border-left:4px solid var(--accent);padding:12px 16px}
.kbk-faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:8px 0}
.kbk-faq summary{font-weight:600;cursor:pointer;color:var(--navy)}
/* Fuß */
.kbk-foot{background:#0A2A20;color:#B7CCC0;padding:48px 0 24px;font-size:.95rem}
.kbk-foot-grid{display:grid;gap:28px}
@media (min-width:800px){.kbk-foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.kbk-foot h2{color:#fff;font-size:1rem;margin:0 0 10px}
.kbk-foot-links{display:flex;flex-direction:column;gap:6px}
.kbk-foot a{color:#DDEDE4;text-decoration:none}.kbk-foot a:hover{color:var(--accent)}
.kbk-foot-bottom{display:flex;flex-wrap:wrap;gap:14px;border-top:1px solid #1D4636;margin-top:32px;padding-top:16px;font-size:.85rem}
.kbk-foot-bottom span{flex:1 1 320px}
[hidden]{display:none!important}

/* Logo (Wortmarke + Zeichen, kein Bild) */
.kbk-logo{gap:8px;font-size:1.08rem;white-space:nowrap}.kbk-logo em{color:var(--accent)}.kbk-mark{flex:none;display:block}
.kbk-foot .kbk-logo{color:#fff;margin-bottom:10px}
@media(max-width:400px){.kbk-logo span{font-size:.95rem}}
/* Rechner */
.kbk-fields{display:grid;gap:4px 18px}
@media(min-width:700px){.kbk-fields{grid-template-columns:repeat(2,1fr)}}
.kbk-tool label small{display:block;font-weight:400;color:var(--muted);font-size:.85rem;margin-top:4px}
.kbk-tool label .kbk-input{margin-top:6px}
.kbk-result{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:18px 0 8px}
@media(min-width:760px){.kbk-result{grid-template-columns:repeat(4,1fr)}}
.kbk-result div{background:var(--navy);color:#fff;border-radius:12px;padding:14px}
.kbk-result b{display:block;font-size:1.7rem;line-height:1.1;color:var(--accent);font-variant-numeric:tabular-nums}
.kbk-result span{font-size:.85rem;color:#C8DED2}
.kbk-formula{padding-left:1.2em}.kbk-formula li{margin:4px 0}
.kbk-table caption{caption-side:top;text-align:left;padding:10px 12px;font-weight:600;color:var(--navy)}
.kbk-table td{font-variant-numeric:tabular-nums}
.kbk-table--sm{font-size:.85rem}.kbk-table--sm th,.kbk-table--sm td{padding:7px 8px}
.kbk-barcell{width:30%;min-width:80px}
.kbk-bar{display:block;height:10px;border-radius:5px;background:var(--navy2);min-width:2px}
.kbk-source{color:var(--muted);font-size:.88rem;margin-top:8px}
.kbk-sources{margin-top:32px;font-size:.95rem}
.kbk-input[type=search]{max-width:520px}
.kbk-hero h1 em{color:var(--accent)}