/*
Theme Name: docunion v1
Theme URI: https://docunion.de
Author: BAUFI UNION
Description: Klinisch-cleanes Theme für docunion – Finanzierung für Heilberufe. Landingpage, Funnel-Popup, Customizer, Integrationen, optionaler KI-Chatbot.
Version: 1.0.0
Requires PHP: 8.1
Text Domain: docunion
*/

:root{
  --petrol:#0A5C63;
  --petrol-dark:#07444A;
  --ink:#101C1E;
  --muted:#5C6B6E;
  --line:#DFE6E6;
  --line-strong:#B9C6C6;
  --surface:#F6F8F8;
  --white:#FFFFFF;
  --err:#9A3B22;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'IBM Plex Sans',system-ui,sans-serif;color:var(--ink);background:var(--white);line-height:1.6;font-size:16px}
h1,h2,h3{line-height:1.15;letter-spacing:-.015em;font-weight:600}
a{color:inherit}
img{max-width:100%}
.container{max-width:1080px;margin:0 auto;padding:0 24px}
section{padding:88px 0;border-top:1px solid var(--line)}
.mono{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--petrol);font-weight:500}
.section-head{margin-bottom:52px;max-width:680px}
.section-head .mono{display:block;margin-bottom:14px}
.section-head h2{font-size:clamp(1.5rem,3vw,2.05rem);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:.98rem}
.btn{display:inline-block;padding:14px 30px;font-weight:600;font-size:.94rem;text-decoration:none;border:1px solid var(--petrol);cursor:pointer;transition:background .15s,color .15s;font-family:inherit}
.btn:focus-visible{outline:3px solid var(--petrol);outline-offset:3px}
.btn-solid{background:var(--petrol);color:#fff}
.btn-solid:hover{background:var(--petrol-dark)}
.btn-line{background:transparent;color:var(--petrol)}
.btn-line:hover{background:var(--petrol);color:#fff}

/* Topbar & Nav */
.topbar{border-bottom:1px solid var(--line);font-size:.78rem;color:var(--muted);padding:9px 0}
.topbar .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.topbar b{color:var(--ink);font-weight:600}
nav.main{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
nav.main .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-weight:700;font-size:1.3rem;letter-spacing:-.02em;color:var(--ink);text-decoration:none}
.logo span{color:var(--petrol)}
.logo small{display:block;font-family:'IBM Plex Mono',monospace;font-weight:400;font-size:.58rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.navlinks{display:flex;gap:28px;align-items:center;font-size:.9rem;font-weight:500}
.navlinks a{text-decoration:none;color:var(--ink)}
.navlinks a:hover{color:var(--petrol)}
.navlinks a.btn-solid{color:#fff}
.navlinks a.btn-solid:hover{color:#fff;background:var(--petrol-dark)}
.navlinks .btn{padding:10px 22px}
@media(max-width:820px){.navlinks a:not(.btn){display:none}}

/* Hero */
.hero{padding:96px 0 84px;border-top:0}
.hero .mono{display:block;margin-bottom:18px}
.hero h1{font-size:clamp(2rem,4.6vw,3.1rem);font-weight:700;max-width:740px;margin-bottom:20px}
.hero h1 .u{color:var(--petrol)}
.hero p.lead{max-width:600px;color:var(--muted);font-size:1.05rem;margin-bottom:44px}
.hero-grid{display:grid;grid-template-columns:1fr .82fr;gap:24px;align-items:stretch}
.hero-grid.no-img{grid-template-columns:1fr}
.hero-fig{margin:0;border:1px solid var(--line-strong);display:flex;flex-direction:column}
.hero-fig img{width:100%;height:100%;object-fit:cover;display:block;flex:1;min-height:0}
.hero-fig figcaption{font-family:'IBM Plex Mono',monospace;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:10px 14px;border-top:1px solid var(--line-strong)}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-fig img{aspect-ratio:16/8}}
.switch{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line-strong)}
.switch a{display:block;padding:28px;text-decoration:none;color:var(--ink);transition:background .15s}
.switch a:first-child{border-right:1px solid var(--line-strong)}
.switch a:hover{background:var(--surface)}
.switch .mono{display:block;margin-bottom:10px}
.switch h3{font-size:1.15rem;margin-bottom:6px}
.switch p{font-size:.88rem;color:var(--muted);margin-bottom:16px}
.switch .go{font-weight:600;font-size:.9rem;color:var(--petrol)}
.switch .go::after{content:" →"}
.datarow{display:flex;gap:0;margin-top:44px;border:1px solid var(--line)}
.datarow div{flex:1;padding:16px 20px;border-right:1px solid var(--line)}
.datarow div:last-child{border-right:0}
.datarow .v{font-weight:700;font-size:1.3rem;color:var(--petrol);display:block}
.datarow .k{font-size:.76rem;color:var(--muted)}
@media(max-width:680px){.switch{grid-template-columns:1fr}.switch a:first-child{border-right:0;border-bottom:1px solid var(--line-strong)}.datarow{flex-direction:column}.datarow div{border-right:0;border-bottom:1px solid var(--line)}.datarow div:last-child{border-bottom:0}}

/* Zielgruppen */
.group-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}
.group-card{padding:28px 24px;border-right:1px solid var(--line)}
.group-card:last-child{border-right:0}
.group-card .mono{display:block;margin-bottom:12px;color:var(--muted)}
.group-card h3{font-size:1rem;margin-bottom:8px}
.group-card p{font-size:.86rem;color:var(--muted)}
@media(max-width:900px){.group-grid{grid-template-columns:1fr 1fr}.group-card:nth-child(2n){border-right:0}.group-card:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:520px){.group-grid{grid-template-columns:1fr}.group-card{border-right:0;border-bottom:1px solid var(--line)}.group-card:last-child{border-bottom:0}}

/* Arbeitsweise */
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line)}
.work-card{padding:30px 26px;border-right:1px solid var(--line)}
.work-card:last-child{border-right:0}
.work-card .mono{display:block;margin-bottom:12px}
.work-card h3{font-size:1rem;margin-bottom:8px}
.work-card p{font-size:.88rem;color:var(--muted)}
@media(max-width:820px){.work-grid{grid-template-columns:1fr}.work-card{border-right:0;border-bottom:1px solid var(--line)}.work-card:last-child{border-bottom:0}}

/* Leistungen */
.services-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line-strong)}
.service{padding:36px 32px}
.service:first-child{border-right:1px solid var(--line-strong)}
.service .mono{display:block;margin-bottom:12px}
.service h3{font-size:1.15rem;margin-bottom:10px}
.service>p{font-size:.9rem;color:var(--muted);margin-bottom:20px}
.service ul{list-style:none;font-size:.9rem}
.service li{padding:9px 0 9px 24px;position:relative;border-top:1px solid var(--line)}
.service li::before{content:"—";position:absolute;left:0;color:var(--petrol);font-weight:600}
.service-img{width:100%;aspect-ratio:16/7;object-fit:cover;display:block;margin-bottom:22px;border:1px solid var(--line)}
@media(max-width:820px){.services-grid{grid-template-columns:1fr}.service:first-child{border-right:0;border-bottom:1px solid var(--line-strong)}}

/* Kennzahlen */
.kpi{background:var(--surface)}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff}
.kpi-cell{padding:30px 26px;border-right:1px solid var(--line)}
.kpi-cell:last-child{border-right:0}
.kpi-cell .n{font-size:2rem;font-weight:700;color:var(--petrol);display:block;margin-bottom:6px;letter-spacing:-.02em}
.kpi-cell h3{font-size:.94rem;margin-bottom:6px}
.kpi-cell p{font-size:.82rem;color:var(--muted)}
@media(max-width:900px){.kpi-grid{grid-template-columns:1fr 1fr}.kpi-cell:nth-child(2n){border-right:0}.kpi-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:520px){.kpi-grid{grid-template-columns:1fr}.kpi-cell{border-right:0;border-bottom:1px solid var(--line)}.kpi-cell:last-child{border-bottom:0}}

/* Leistungsumfang-Tabelle */
.scope table{width:100%;border-collapse:collapse;border:1px solid var(--line-strong);font-size:.92rem}
.scope th{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;font-weight:500;text-align:left;padding:14px 20px;border-bottom:1px solid var(--line-strong);background:var(--surface);color:var(--muted)}
.scope td{padding:13px 20px;border-bottom:1px solid var(--line);vertical-align:top}
.scope tr:last-child td{border-bottom:0}
.scope .mark{font-weight:700;width:40px}
.scope .yes .mark{color:var(--petrol)}
.scope .no .mark{color:var(--err)}
.scope .no td:not(.mark){color:var(--muted)}

/* Ablauf */
.steps{border:1px solid var(--line);counter-reset:step}
.step-row{display:grid;grid-template-columns:88px 240px 1fr;border-bottom:1px solid var(--line)}
.step-row:last-child{border-bottom:0}
.step-row .num{counter-increment:step;padding:22px 0;text-align:center;font-family:'IBM Plex Mono',monospace;font-size:.86rem;color:var(--petrol);border-right:1px solid var(--line)}
.step-row .num::before{content:counter(step,decimal-leading-zero)}
.step-row h3{font-size:.96rem;padding:22px 24px;border-right:1px solid var(--line)}
.step-row p{font-size:.88rem;color:var(--muted);padding:22px 24px}
@media(max-width:720px){.step-row{grid-template-columns:60px 1fr}.step-row h3{border-right:0}.step-row p{grid-column:2;padding-top:0}}

/* Stimmen */
.quotes{background:var(--surface)}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:#fff}
.quote{padding:30px 28px;border-right:1px solid var(--line)}
.quote:last-child{border-right:0}
.quote p{font-size:.9rem;margin-bottom:18px}
.quote .who{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
@media(max-width:820px){.quote-grid{grid-template-columns:1fr}.quote{border-right:0;border-bottom:1px solid var(--line)}.quote:last-child{border-bottom:0}}

/* FAQ */
details{border:1px solid var(--line);border-bottom:0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{padding:19px 24px;font-weight:600;font-size:.95rem;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:'IBM Plex Mono',monospace;color:var(--petrol);font-size:1.1rem}
details[open] summary::after{content:"−"}
details .body{padding:0 24px 20px;color:var(--muted);font-size:.92rem;max-width:760px}

/* CTA */
.cta{background:var(--petrol);color:#fff;padding:72px 0}
.cta .container{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.cta h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:12px;font-weight:700}
.cta p{color:#C8DEDF;font-size:.96rem}
.cta .btns{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}
.cta .btn{border-color:#fff}
.cta .btn-solid{background:#fff;color:var(--petrol)}
.cta .btn-solid:hover{background:var(--surface)}
.cta .btn-line{color:#fff}
.cta .btn-line:hover{background:#fff;color:var(--petrol)}
@media(max-width:820px){.cta .container{grid-template-columns:1fr}.cta .btns{justify-content:flex-start}}

/* Footer */
footer.site{border-top:1px solid var(--line);font-size:.86rem;padding:60px 0 40px;color:var(--muted)}
.footgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:44px}
footer.site h4{color:var(--ink);font-size:.78rem;font-family:'IBM Plex Mono',monospace;letter-spacing:.12em;text-transform:uppercase;font-weight:500;margin-bottom:14px}
footer.site a{color:var(--muted);text-decoration:none;display:block;padding:3px 0}
footer.site a:hover{color:var(--petrol)}
.legal{border-top:1px solid var(--line);padding-top:26px;font-size:.76rem;line-height:1.7}
@media(max-width:820px){.footgrid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footgrid{grid-template-columns:1fr}}

/* Funnel-Popup (Modal) */
.modal-overlay{position:fixed;inset:0;background:rgba(16,28,30,.55);display:none;align-items:center;justify-content:center;z-index:200;padding:24px}
.modal-overlay.open{display:flex}
.modal{background:var(--surface);border:1px solid var(--line-strong);width:100%;max-width:760px;height:min(88vh,820px);display:flex;flex-direction:column;position:relative}
.modal-head{display:flex;align-items:center;justify-content:space-between;background:var(--white);border-bottom:1px solid var(--line);padding:12px 18px}
.modal-head .mono{color:var(--muted)}
.modal-close{border:1px solid var(--line-strong);background:var(--white);font-family:'IBM Plex Mono',monospace;font-size:.8rem;padding:6px 12px;cursor:pointer;color:var(--ink)}
.modal-close:hover{border-color:var(--petrol);color:var(--petrol)}
.modal iframe{border:0;width:100%;flex:1;display:block;background:var(--surface)}
body.modal-open{overflow:hidden}
@media(max-width:640px){.modal-overlay{padding:0}.modal{height:100%;max-width:none;border:0}}

/* Funnel-Seite */
body.du-funnel{background:var(--surface);min-height:100vh;display:flex;flex-direction:column}
.du-funnel .fnav{background:var(--white);border-bottom:1px solid var(--line)}
.du-funnel .fnav .wrap{max-width:860px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}
.du-funnel .fnav .hint{font-size:.78rem;color:var(--muted)}
.du-funnel .fnav .hint b{color:var(--ink)}
.du-funnel main{flex:1;width:100%;max-width:860px;margin:0 auto;padding:40px 24px 80px}
.du-funnel .card{background:var(--white);border:1px solid var(--line-strong)}
.progress{display:flex;justify-content:space-between;align-items:center;padding:16px 28px;border-bottom:1px solid var(--line)}
.progress .bar{flex:1;height:2px;background:var(--line);margin:0 20px;position:relative}
.progress .bar i{position:absolute;left:0;top:0;height:100%;background:var(--petrol);transition:width .25s ease}
.progress .mono{color:var(--muted)}
.progress .mono.now{color:var(--petrol)}
.fstep{display:none;padding:36px 28px 32px}
.fstep.active{display:block}
.fstep .mono{display:block;margin-bottom:12px}
.fstep h2{font-size:clamp(1.25rem,2.6vw,1.6rem);margin-bottom:8px}
.fstep .sub{color:var(--muted);font-size:.94rem;margin-bottom:28px}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.opts.cols3{grid-template-columns:repeat(3,1fr)}
.opt{border:1px solid var(--line-strong);background:var(--white);padding:18px 18px 16px;cursor:pointer;text-align:left;font:inherit;transition:border-color .12s,background .12s;position:relative}
.opt:hover{background:var(--surface)}
.opt .k{font-family:'IBM Plex Mono',monospace;font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:6px}
.opt .t{font-weight:600;font-size:.96rem;display:block}
.opt .d{font-size:.8rem;color:var(--muted);display:block;margin-top:3px}
.opt.selected{border-color:var(--petrol);box-shadow:inset 0 0 0 1px var(--petrol)}
.opt.selected::after{content:"✓";position:absolute;top:12px;right:14px;color:var(--petrol);font-weight:700}
@media(max-width:640px){.opts,.opts.cols3{grid-template-columns:1fr}}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fields .full{grid-column:1/-1}
.fields label{display:block;font-family:'IBM Plex Mono',monospace;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.fields input[type=text],.fields input[type=email],.fields input[type=tel],.fields select{width:100%;border:1px solid var(--line-strong);background:var(--white);padding:12px 14px;font:inherit;font-size:.95rem;color:var(--ink)}
.fields input:focus,.fields select:focus{outline:2px solid var(--petrol);outline-offset:-1px}
.fields input.err,.fields select.err{border-color:var(--err);outline-color:var(--err)}
.errmsg{font-size:.8rem;color:var(--err);margin-top:6px;display:none}
@media(max-width:640px){.fields{grid-template-columns:1fr}}
.consent{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);padding:16px;margin-top:16px;font-size:.84rem;color:var(--muted);cursor:pointer}
.consent input{margin-top:4px;accent-color:var(--petrol);width:16px;height:16px;flex-shrink:0}
.consent.err{border-color:var(--err)}
.stepnav{display:flex;justify-content:space-between;align-items:center;padding:20px 28px;border-top:1px solid var(--line);background:var(--surface)}
.btn-back{background:transparent;color:var(--muted);border:1px solid transparent;padding-left:0}
.btn-back:hover{color:var(--petrol)}
.btn-back::before{content:"← "}
.trust{display:flex;gap:22px;flex-wrap:wrap;justify-content:center;font-size:.78rem;color:var(--muted);margin-top:22px}
.trust span::before{content:"✓";color:var(--petrol);font-weight:700;margin-right:7px}
.success{text-align:center;padding:64px 28px}
.success .mark{width:56px;height:56px;border:1px solid var(--petrol);color:var(--petrol);font-size:1.6rem;display:flex;align-items:center;justify-content:center;margin:0 auto 22px}
.success h2{font-size:1.5rem;margin-bottom:10px}
.success p{color:var(--muted);max-width:460px;margin:0 auto 6px;font-size:.94rem}
.success .mono{display:block;margin-top:24px}
.du-funnel footer.f{border-top:1px solid var(--line);background:var(--white);font-size:.74rem;color:var(--muted);padding:18px 0;text-align:center}

/* Chatbot-Widget */
.du-chat-toggle{position:fixed;right:22px;bottom:22px;z-index:180;background:var(--petrol);color:#fff;border:1px solid var(--petrol);width:54px;height:54px;cursor:pointer;font-size:1.25rem;display:flex;align-items:center;justify-content:center}
.du-chat-toggle:hover{background:var(--petrol-dark)}
.du-chat{position:fixed;right:22px;bottom:88px;z-index:190;width:min(380px,calc(100vw - 32px));height:min(540px,70vh);background:var(--white);border:1px solid var(--line-strong);display:none;flex-direction:column}
.du-chat.open{display:flex}
.du-chat-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--surface)}
.du-chat-head .mono{color:var(--muted)}
.du-chat-log{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}
.du-msg{max-width:85%;padding:10px 14px;font-size:.88rem;border:1px solid var(--line)}
.du-msg.bot{align-self:flex-start;background:var(--surface)}
.du-msg.user{align-self:flex-end;background:var(--petrol);color:#fff;border-color:var(--petrol)}
.du-chat-input{display:flex;border-top:1px solid var(--line)}
.du-chat-input input{flex:1;border:0;padding:13px 14px;font:inherit;font-size:.9rem}
.du-chat-input input:focus{outline:2px solid var(--petrol);outline-offset:-2px}
.du-chat-input button{border:0;background:var(--petrol);color:#fff;padding:0 18px;cursor:pointer;font-family:inherit;font-weight:600}
.du-chat-input button:hover{background:var(--petrol-dark)}
.du-chat-note{font-size:.68rem;color:var(--muted);padding:8px 16px;border-top:1px solid var(--line)}

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}