.mc4cf,.mc4cf *{box-sizing:border-box}
.mc4cf{
 --bg:#f5fbff;--panel:#fff;--panel2:#f7fbfe;--text:#102033;--head:#071b2d;--muted:#64748b;--line:#d8eafa;--blue:#6DC8F2;--blue2:#009FE3;--orange:#F58220;--shadow:0 15px 38px rgba(0,90,135,.09);
 max-width:1380px;margin:0 auto;padding:34px;border:1px solid var(--line);border-radius:26px;background:linear-gradient(180deg,var(--bg),var(--panel));color:var(--text);font-family:inherit
}
.mc4cf-theme-dark,.mc4cf-auto-dark{--bg:#031522;--panel:#082233;--panel2:#061c2b;--text:#edf7ff;--head:#fff;--muted:rgba(255,255,255,.68);--line:rgba(109,200,242,.20);--shadow:0 18px 42px rgba(0,0,0,.28)}
.mc4cf-head{max-width:900px;margin-bottom:25px}.mc4cf-kicker{display:block;color:var(--blue2);font-size:11px;font-weight:800;letter-spacing:.14em;margin-bottom:7px}.mc4cf-head h2{font-size:clamp(32px,4vw,48px);line-height:1.05;margin:0 0 10px;color:var(--head);letter-spacing:-.025em}.mc4cf-head p{margin:0;color:var(--muted);font-size:16px}
.mc4cf-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:24px 0 28px;padding:7px;border:1px solid var(--line);border-radius:16px;background:var(--panel2)}.mc4cf-steps button{appearance:none;border:0;background:transparent;color:var(--muted);padding:12px 14px;border-radius:11px;text-align:left;display:flex;gap:10px;align-items:center;cursor:pointer}.mc4cf-steps button b{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);font-size:11px}.mc4cf-steps button.active{background:var(--panel);color:var(--head);box-shadow:0 5px 18px rgba(0,0,0,.06)}.mc4cf-steps button.active b,.mc4cf-steps button.done b{background:var(--blue2);border-color:var(--blue2);color:#fff}
.mc4cf-step{display:none}.mc4cf-step.active{display:block}.mc4cf-section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:16px}.mc4cf-section-head small{color:var(--blue2);font-weight:800;letter-spacing:.08em}.mc4cf-section-head h3{margin:4px 0 0;color:var(--head);font-size:24px}
.mc4cf-grid{display:grid;gap:14px}.mc4cf-grid-4{grid-template-columns:repeat(4,1fr)}.mc4cf-grid-2{grid-template-columns:repeat(2,1fr)}
.mc4cf-choice{appearance:none;width:100%;min-height:190px;padding:22px;border:1px solid var(--line);border-radius:17px;background:var(--panel);color:var(--text);text-align:left;cursor:pointer;transition:.18s}.mc4cf-choice:hover{transform:translateY(-2px);border-color:var(--blue2);box-shadow:var(--shadow)}.mc4cf-choice.selected{border-color:var(--blue2);box-shadow:0 0 0 3px rgba(0,159,227,.12)}.mc4cf-choice strong{display:block;color:var(--head);font-size:17px;margin:14px 0 6px}.mc4cf-choice small{display:block;color:var(--muted);font-size:13px;line-height:1.45}
.mc4cf-device{display:block;position:relative;width:66px;height:52px;color:var(--blue)}.mc4cf-device.desktop:before{content:'';position:absolute;left:0;top:0;width:48px;height:31px;border:2px solid currentColor;border-radius:4px}.mc4cf-device.desktop:after{content:'';position:absolute;left:20px;top:33px;width:10px;height:11px;border-left:2px solid currentColor;border-right:2px solid currentColor;box-shadow:0 10px 0 -4px currentColor}.mc4cf-device.notebook:before{content:'';position:absolute;left:5px;top:2px;width:50px;height:31px;border:2px solid currentColor;border-radius:4px}.mc4cf-device.notebook:after{content:'';position:absolute;left:0;top:35px;width:62px;height:5px;border:2px solid currentColor;border-radius:0 0 5px 5px}.mc4cf-device.sff:before{content:'';position:absolute;left:8px;top:7px;width:48px;height:35px;border:2px solid currentColor;border-radius:8px}.mc4cf-device.sff:after{content:'';position:absolute;right:15px;top:18px;width:6px;height:6px;background:var(--orange);border-radius:50%}.mc4cf-device.aio:before{content:'';position:absolute;left:4px;top:0;width:56px;height:34px;border:2px solid currentColor;border-radius:5px}.mc4cf-device.aio:after{content:'';position:absolute;left:29px;top:35px;width:3px;height:13px;background:currentColor;box-shadow:0 12px 0 7px var(--panel)}
.mc4cf-choice.use{min-height:118px;display:flex;align-items:flex-start;gap:15px}.mc4cf-choice.use strong{margin:0 0 5px}.mc4cf-use-icon{flex:0 0 36px;width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:rgba(109,200,242,.13);color:var(--blue2);font-weight:800}
.mc4cf-options{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.mc4cf-options label{display:flex;flex-direction:column;gap:8px;padding:16px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.mc4cf-options label span{font-weight:700;color:var(--head)}.mc4cf select,.mc4cf input,.mc4cf textarea{width:100%;min-height:46px;border:1px solid var(--line);border-radius:10px;background:var(--panel2);color:var(--text);padding:10px 12px;outline:none}.mc4cf select:focus,.mc4cf input:focus,.mc4cf textarea:focus{border-color:var(--blue2);box-shadow:0 0 0 3px rgba(0,159,227,.11)}
.mc4cf-checks{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px}.mc4cf-checks label{display:flex;align-items:center;gap:9px;padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:var(--panel);cursor:pointer}.mc4cf-checks input{width:18px;min-height:18px;accent-color:var(--blue2)}
.mc4cf-actions{display:flex;justify-content:space-between;gap:10px;margin-top:22px}.mc4cf-actions button,.mc4cf-form button{appearance:none;border:0;border-radius:9px;padding:12px 20px;font-weight:800;cursor:pointer}.mc4cf-next,.mc4cf-form button{background:var(--orange);color:#fff}.mc4cf-next:disabled{opacity:.35;cursor:not-allowed}.mc4cf-back{background:var(--panel2);color:var(--text);border:1px solid var(--line)!important}
.mc4cf-result-wrap{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:18px}.mc4cf-result,.mc4cf-form{padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}.mc4cf-result h3,.mc4cf-form h3{color:var(--head);font-size:25px;margin:4px 0 8px}.mc4cf-result-copy,.mc4cf-note{color:var(--muted)}.mc4cf-summary{margin:20px 0;border-top:1px solid var(--line)}.mc4cf-summary div{display:flex;justify-content:space-between;gap:20px;padding:11px 0;border-bottom:1px solid var(--line)}.mc4cf-summary span{color:var(--muted)}.mc4cf-summary strong{color:var(--head);text-align:right}.mc4cf-form{display:flex;flex-direction:column;gap:10px}.mc4cf-form button{margin-top:4px}.mc4cf-form-status{font-size:13px;min-height:18px}.mc4cf-form-status.ok{color:#38b86b}.mc4cf-form-status.err{color:#e75f67}
@media(max-width:900px){.mc4cf-grid-4{grid-template-columns:repeat(2,1fr)}.mc4cf-result-wrap{grid-template-columns:1fr}.mc4cf-steps span{display:none}}
@media(max-width:600px){.mc4cf{padding:18px;border-radius:18px}.mc4cf-grid-4,.mc4cf-grid-2,.mc4cf-options,.mc4cf-checks{grid-template-columns:1fr}.mc4cf-steps{grid-template-columns:repeat(4,1fr)}.mc4cf-steps button{justify-content:center;padding:9px}.mc4cf-choice{min-height:150px}.mc4cf-summary div{align-items:flex-start;flex-direction:column;gap:3px}.mc4cf-summary strong{text-align:left}}

/* v1.1.0 – visuelle Bauform-Auswahl */
.mc4cf-form-choice{
    min-height:330px;
    padding:12px 12px 18px;
    overflow:hidden;
    display:flex;
    flex-direction:column;
    align-items:stretch;
}
.mc4cf-device-image{
    position:relative;
    display:block;
    width:100%;
    aspect-ratio:8/5;
    overflow:hidden;
    border-radius:12px;
    background:var(--panel2);
    border:1px solid var(--line);
}
.mc4cf-device-image img{
    display:block;
    width:100%;
    height:100%;
    object-fit:cover;
    object-position:center;
    transition:transform .28s ease,filter .28s ease;
}
.mc4cf-form-choice:hover .mc4cf-device-image img{transform:scale(1.025)}
.mc4cf-form-choice.selected .mc4cf-device-image{
    border-color:var(--blue2);
    box-shadow:0 0 0 2px rgba(0,159,227,.12);
}
.mc4cf-selected-mark{
    position:absolute;
    top:10px;
    right:10px;
    display:grid;
    place-items:center;
    width:28px;
    height:28px;
    border-radius:50%;
    background:var(--blue2);
    color:#fff;
    font-size:15px;
    font-weight:900;
    line-height:1;
    opacity:0;
    transform:scale(.78);
    transition:opacity .18s ease,transform .18s ease;
    box-shadow:0 6px 18px rgba(0,0,0,.25);
}
.mc4cf-form-choice.selected .mc4cf-selected-mark{opacity:1;transform:scale(1)}
.mc4cf-form-choice strong{margin:15px 7px 6px}
.mc4cf-form-choice small{margin:0 7px}

.mc4cf-result-device{
    width:min(100%,360px);
    margin:12px 0 18px;
    overflow:hidden;
    border:1px solid var(--line);
    border-radius:14px;
    background:var(--panel2);
}
.mc4cf-result-device[hidden]{display:none!important}
.mc4cf-result-device img{
    display:block;
    width:100%;
    aspect-ratio:8/5;
    object-fit:cover;
}

@media(max-width:900px){
    .mc4cf-form-choice{min-height:310px}
}
@media(max-width:600px){
    .mc4cf-form-choice{min-height:0}
    .mc4cf-device-image{aspect-ratio:16/10}
}