/* Gemeinsames Anfrageformular – wird pro Richtung über CSS-Variablen gestaltet */
.bf{--f-ink:#181C1F;--f-soft:#4D565C;--f-bg:#fff;--f-field:#fff;--f-line:#C9D2D6;--f-accent:#1F4E8C;--f-accent-ink:#fff;--f-err:#B3261E;--f-r:12px;--f-chip-r:999px;
  display:grid;gap:22px;color:var(--f-ink);font:inherit;text-align:left}
.bf *{box-sizing:border-box}
.bf-group{border:0;padding:0;margin:0;min-width:0}
.bf-group>legend,.bf label.bf-l{display:block;font-weight:600;font-size:15px;margin:0 0 8px;padding:0}
.bf .req{color:var(--f-accent);margin-left:2px}
.bf-hint{font-size:13.5px;color:var(--f-soft);margin:-4px 0 10px}
.bf-chips{display:flex;flex-wrap:wrap;gap:8px}
.bf-chips input{position:absolute;opacity:0;pointer-events:none}
.bf-chips label{display:inline-flex;align-items:center;min-height:44px;padding:9px 16px;border:1.5px solid var(--f-line);border-radius:var(--f-chip-r);background:var(--f-field);cursor:pointer;font-size:15px;line-height:1.2;transition:border-color .15s,background .15s,color .15s,transform .15s}
.bf-chips label:hover{border-color:var(--f-accent)}
.bf-chips input:checked+label{background:var(--f-accent);border-color:var(--f-accent);color:var(--f-accent-ink)}
.bf-chips input:focus-visible+label{outline:3px solid var(--f-accent);outline-offset:2px}
.bf-chips.big label{flex:1 1 calc(50% - 8px);justify-content:flex-start;min-height:52px;font-weight:600}
.bf-cond{display:grid;gap:18px;padding:18px;border-radius:var(--f-r);background:color-mix(in srgb,var(--f-accent) 6%,transparent);border:1px dashed color-mix(in srgb,var(--f-accent) 35%,transparent)}
.bf-cond[hidden]{display:none}
.bf-row{display:grid;gap:18px;grid-template-columns:1fr 1fr}
.bf-row.plz{grid-template-columns:150px 1fr}
@media(max-width:560px){.bf-row,.bf-row.plz{grid-template-columns:1fr}.bf-row.plz{grid-template-columns:120px 1fr}.bf-chips.big label{flex-basis:100%}}
.bf input[type=text],.bf input[type=email],.bf input[type=tel],.bf select,.bf textarea{width:100%;min-height:50px;padding:13px 16px;font:inherit;font-size:16px;color:var(--f-ink);background:var(--f-field);border:1.5px solid var(--f-line);border-radius:var(--f-r);transition:border-color .15s,box-shadow .15s}
.bf textarea{min-height:120px;resize:vertical}
.bf input:focus,.bf select:focus,.bf textarea:focus{outline:none;border-color:var(--f-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--f-accent) 25%,transparent)}
.bf [aria-invalid=true]{border-color:var(--f-err)}
.bf-err{color:var(--f-err);font-size:13.5px;margin:6px 0 0;min-height:0;display:none}
.bf-err.show{display:flex;gap:6px;align-items:flex-start}
.bf-err.show::before{content:"!";flex:none;width:16px;height:16px;border-radius:50%;background:var(--f-err);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center;margin-top:2px}
.bf-more{border-top:1px solid var(--f-line);padding-top:14px}
.bf-more summary{cursor:pointer;font-weight:600;font-size:15px;list-style:none;display:flex;align-items:center;gap:8px;min-height:44px}
.bf-more summary::-webkit-details-marker{display:none}
.bf-more summary::before{content:"+";display:grid;place-items:center;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--f-accent);color:var(--f-accent);font-weight:700;line-height:1}
.bf-more[open] summary::before{content:"–"}
.bf-more>div{display:grid;gap:18px;margin-top:12px}
.bf-privacy{font-size:13.5px;color:var(--f-soft);margin:0}
.bf-privacy a{color:var(--f-accent);text-decoration:underline;text-underline-offset:2px}
.bf-submit{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:16px 28px;border:0;border-radius:var(--f-submit-r,999px);background:var(--f-accent);color:var(--f-accent-ink);font:inherit;font-weight:700;font-size:16.5px;cursor:pointer;transition:transform .15s,filter .15s}
.bf-submit:hover{transform:translateY(-2px);filter:brightness(1.08)}
.bf-submit[disabled]{opacity:.75;cursor:progress;transform:none}
.bf-spin{display:none;width:18px;height:18px;border:2.5px solid currentColor;border-right-color:transparent;border-radius:50%;animation:bfspin .7s linear infinite}
.bf-submit[disabled] .bf-spin{display:inline-block}
@keyframes bfspin{to{transform:rotate(360deg)}}
.bf-legend{font-size:13px;color:var(--f-soft);margin:-8px 0 0}
.bf-alert{display:none;padding:14px 16px;border-radius:var(--f-r);background:#FDECEA;color:#7A1710;border:1px solid #F2B8B3;font-size:15px}
.bf-alert.show{display:block}
.bf-hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.bf-success{display:none;text-align:center;padding:28px 8px}
.bf-success.show{display:block}
.bf-success svg{width:54px;height:54px;color:var(--f-accent);margin-bottom:12px}
.bf-success h3{margin:0 0 8px;font-size:22px}
.bf-success p{margin:0;color:var(--f-soft)}
.bf-demo{font-size:12px;color:var(--f-soft);border:1px dashed var(--f-line);border-radius:8px;padding:6px 10px;margin:0}
@media(prefers-reduced-motion:reduce){.bf *{transition:none!important;animation-duration:.01ms!important}}