/* ===========================================================
   Zerbes Heizung – Variante C  ·  "Trust & Authority"
   Struktur nach UI-Pro-Max: Hero(Kompetenz) → Nachweise →
   Leistungen → Förderung → Ablauf → Check → Kontakt.
   Marke: Zerbes-Rot als einziger Akzent. Hell, kompakt, solide.
   =========================================================== */

:root{
  --red:#C1272D; --red-dark:#96181E; --red-tint:#FCEDED;
  --ink:#14181F;            /* dunkles Blaugrau – seriös */
  --ink-2:#1E242E;
  --slate:#4A5462;          /* Fließtext sekundär */
  --line:#DFE3E8;
  --line-2:#EDF0F3;
  --bg:#FFFFFF; --card:#FFFFFF; --block:#14181F;
  --bg-2:#F4F6F8;           /* kühles Grau, technisch */
  --bg-3:#EAEEF2;
  --ok:#1F7A4D;
  --vaillant:#00917E;
  --maxw:1180px;
  --r:6px;
  --sh:0 1px 2px rgba(20,24,31,.06),0 8px 24px -14px rgba(20,24,31,.28);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Source Sans 3',system-ui,Arial,sans-serif;color:var(--ink);background:var(--bg);
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Lexend',system-ui,sans-serif;font-weight:600;line-height:1.15;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(var(--maxw),92vw);margin:0 auto}
section{padding:78px 0}
section[id]{scroll-margin-top:92px}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}
.tag{display:inline-block;font-family:'Lexend';font-size:.72rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--red);background:var(--red-tint);padding:.35rem .75rem;border-radius:100px}
.sec-t{max-width:640px;margin-bottom:44px}
.sec-t h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin:.8rem 0 .7rem}
.sec-t p{color:var(--slate);font-size:1.06rem}
.center{margin-left:auto;margin-right:auto;text-align:center}

/* Buttons – kräftig, klare Hierarchie (eine primäre CTA) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;font-family:'Lexend';
  font-weight:600;font-size:1rem;padding:.95rem 1.6rem;border-radius:var(--r);border:2px solid transparent;
  cursor:pointer;transition:background .18s,color .18s,border-color .18s,box-shadow .18s;min-height:52px}
.btn svg{width:18px;height:18px}
.btn-red{background:var(--red);color:#fff;box-shadow:0 6px 16px -8px rgba(193,39,45,.7)}
.btn-red:hover{background:var(--red-dark)}
.btn-out{border-color:var(--line);color:var(--ink);background:var(--card)}
.btn-out:hover{border-color:var(--ink)}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-v{background:var(--vaillant);color:#fff}
.btn-v:hover{background:#007a6a}

/* ---------- Utility bar ---------- */
.ubar{background:var(--block);color:#C9D1DB;font-size:.84rem}
.ubar .wrap{display:flex;justify-content:space-between;align-items:center;height:44px;gap:1rem}
.ubar a:hover{color:#fff}
.ubar .hot{color:#fff;font-weight:600;display:inline-flex;align-items:center;gap:.45rem}
.ubar .dot{width:7px;height:7px;border-radius:50%;background:var(--red)}

/* ---------- Header ---------- */
header.c{position:sticky;top:0;z-index:70;background:var(--card);border-bottom:1px solid var(--line)}
header.c .wrap{display:flex;align-items:center;justify-content:space-between;height:82px;gap:1.2rem}
header.c .logo img{height:46px;width:auto}
nav.c{display:flex;gap:2rem;font-family:'Lexend';font-weight:500;font-size:.95rem}
nav.c a{color:var(--ink);padding:.4rem 0;border-bottom:2px solid transparent;transition:.18s}
nav.c a:hover{color:var(--red);border-bottom-color:var(--red)}
.hcta{display:flex;align-items:center;gap:1.1rem}
/* Header-CTA kompakter als die Haupt-CTAs (bleibt >=44px Touch-Ziel) */
header.c .btn{padding:.65rem 1.15rem;min-height:44px;font-size:.92rem;box-shadow:none}
.htel{font-family:'Lexend';font-weight:600;font-size:1.1rem;white-space:nowrap;line-height:1.15}
.htel span{display:block;font-family:'Source Sans 3';font-size:.74rem;font-weight:400;color:var(--slate)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;min-height:44px;min-width:44px}
.burger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px}

/* ---------- Hero: Kompetenz zuerst ---------- */
.hero-c{background:var(--block);color:#fff;position:relative;overflow:hidden}
.hero-c::before{content:"";position:absolute;inset:0;
  background:radial-gradient(900px 500px at 78% 8%,rgba(193,39,45,.30),transparent 62%)}
.hero-c .wrap{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;padding:72px 0}
.hero-c h1{font-size:clamp(2.1rem,4.1vw,3.15rem);margin:1.1rem 0 1.1rem}
.hero-c h1 b{color:#FF8078;font-weight:600}
.hero-c .sub{font-size:1.12rem;color:#C3CCD7;max-width:40ch}
.hero-c .tag{background:rgba(255,255,255,.1);color:#FFB3AD}
.hero-c .acts{display:flex;gap:.8rem;margin-top:2rem;flex-wrap:wrap}
/* Vertrauens-Zeile direkt unter der CTA */
.tline{display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;margin-top:2rem;padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.14)}
.tline i{display:flex;align-items:center;gap:.5rem;font-style:normal;font-size:.9rem;color:#C3CCD7}
.tline svg{width:17px;height:17px;color:#5FD48F;flex:none}
.hero-shot{position:relative}
.hero-shot img{width:100%;height:auto;border-radius:var(--r);box-shadow:0 30px 60px -30px rgba(0,0,0,.8)}
/* Förder-Badge – der stärkste Kaufanreiz */
.fbadge{position:absolute;left:-14px;bottom:-18px;background:var(--red);color:#fff;border-radius:var(--r);
  padding:16px 20px;box-shadow:var(--sh);max-width:210px}
.fbadge b{display:block;font-family:'Lexend';font-size:1.7rem;font-weight:700;line-height:1}
.fbadge span{font-size:.82rem;line-height:1.3;display:block;margin-top:.25rem}

/* ---------- Nachweise / Proof ---------- */
.proof{background:var(--bg-2);border-bottom:1px solid var(--line)}
.proof .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:32px 0}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;gap:14px;align-items:flex-start}
.pcard .ic{width:38px;height:38px;flex:none;border-radius:var(--r);background:var(--red-tint);color:var(--red);display:grid;place-items:center}
.pcard .ic svg{width:21px;height:21px}
.pcard b{display:block;font-family:'Lexend';font-size:.98rem;font-weight:600;line-height:1.25}
.pcard span{font-size:.85rem;color:var(--slate)}

/* ---------- Leistungen ---------- */
.svc{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scard{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card);
  display:flex;flex-direction:column;transition:box-shadow .2s,border-color .2s}
.scard:hover{box-shadow:var(--sh);border-color:#C9D0D8}
.scard .pic{position:relative;height:190px;overflow:hidden}
.scard .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,1,.36,1)}
.scard:hover .pic img{transform:scale(1.04)}
.scard .pic .no{position:absolute;left:0;top:0;background:var(--red);color:#fff;font-family:'Lexend';
  font-weight:700;font-size:.85rem;padding:.45rem .8rem}
.scard .body{padding:24px;flex:1;display:flex;flex-direction:column}
.scard h3{font-size:1.25rem;margin-bottom:.5rem}
.scard p{color:var(--slate);font-size:.97rem;margin-bottom:1rem}
.scard ul{list-style:none;display:grid;gap:.45rem;margin-top:auto}
.scard li{display:grid;grid-template-columns:20px 1fr;gap:.5rem;font-size:.93rem;color:var(--ink)}
.scard li svg{width:16px;height:16px;color:var(--ok);margin-top:5px}

/* ---------- Förderung: harter Anreiz ---------- */
.grant{background:var(--red);color:#fff}
.grant .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center}
.grant h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:1rem}
.grant p{font-size:1.06rem;opacity:.94;max-width:48ch;margin-bottom:1.6rem}
.grant .btn-solid{background:var(--card);color:var(--red);font-weight:600}
.grant .btn-solid:hover{background:#FFECEC}
.gnums{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.gnum{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.24);border-radius:var(--r);padding:22px}
.gnum b{display:block;font-family:'Lexend';font-size:2rem;font-weight:700;line-height:1}
.gnum span{font-size:.88rem;opacity:.92}

/* ---------- Ablauf ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
.step{padding:0 26px 0 0;position:relative}
.step:not(:last-child)::after{content:"";position:absolute;right:13px;top:22px;width:1px;height:calc(100% - 30px);background:var(--line)}
.step .n{width:46px;height:46px;border-radius:50%;background:var(--block);color:#fff;display:grid;place-items:center;
  font-family:'Lexend';font-weight:700;font-size:1rem;margin-bottom:16px}
.step:first-child .n{background:var(--red)}
.step h3{font-size:1.12rem;margin-bottom:.4rem}
.step p{color:var(--slate);font-size:.94rem}

/* ---------- Heiz-Check ---------- */
.check-c{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cfg-shell{max-width:700px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:36px clamp(18px,4vw,42px);box-shadow:var(--sh)}
.cfg-top{display:flex;justify-content:space-between;align-items:center;font-family:'Lexend';font-size:.82rem;
  font-weight:500;color:var(--slate);margin-bottom:12px}
.cfg-top .stepno b{color:var(--red)}
.cfg-bar{height:8px;background:var(--bg-3);border-radius:100px;overflow:hidden;margin-bottom:30px}
.cfg-bar i{display:block;height:100%;background:var(--red);border-radius:100px;transition:width .45s cubic-bezier(.22,1,.36,1)}
.cfg-q{text-align:center;margin-bottom:26px}
.cfg-q h3{font-size:clamp(1.3rem,2.5vw,1.7rem)}
.cfg-q p{color:var(--slate);max-width:50ch;margin:.6rem auto 0;font-size:.97rem}
.cfg-hint{display:inline-block;margin-top:10px;font-family:'Lexend';font-size:.78rem;font-weight:500;color:var(--red)}
.cfg-grid{display:grid;gap:12px}
.cfg-grid.cols-2{grid-template-columns:1fr 1fr}
.cfg-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.opt{display:flex;align-items:center;gap:14px;text-align:left;width:100%;padding:16px;border:2px solid var(--line);
  border-radius:var(--r);background:var(--card);cursor:pointer;transition:border-color .18s,background .18s;
  font-family:inherit;font-size:1rem;color:var(--ink);min-height:52px}
.opt:hover{border-color:#B9C1CA;background:var(--bg-2)}
.opt .ic{flex:none;width:44px;height:44px;border-radius:var(--r);background:var(--bg-2);color:var(--slate);display:grid;place-items:center;transition:.2s}
.opt .ic svg{width:27px;height:27px}
.opt .txt{flex:1;min-width:0}
.opt .txt b{display:block;font-family:'Lexend';font-weight:600;font-size:1rem}
.opt .txt small{color:var(--slate);font-size:.87rem}
.opt .tick{flex:none;width:24px;height:24px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;color:#fff}
.opt.multi .tick{border-radius:5px}
.opt .tick svg{width:14px;height:14px;opacity:0}
.opt.sel{border-color:var(--red);background:var(--red-tint)}
.opt.sel .ic{background:var(--red);color:#fff}
.opt.sel .tick{border-color:var(--red);background:var(--red)}
.opt.sel .tick svg{opacity:1}
.pill{padding:18px 10px;border:2px solid var(--line);border-radius:var(--r);background:var(--card);font-family:'Lexend';
  font-weight:600;font-size:1rem;cursor:pointer;transition:.18s;min-height:52px;color:var(--ink)}
.pill:hover{border-color:#B9C1CA;background:var(--bg-2)}
.pill.sel{border-color:var(--red);background:var(--red-tint);color:var(--red-dark)}
.cfg-custom{margin-top:18px;border-top:1px solid var(--line);padding-top:18px}
.cfg-custom label{display:block;font-family:'Lexend';font-weight:500;font-size:.88rem;margin-bottom:8px;color:var(--ink)}
.cfg-custom .row{display:flex;gap:10px}
.inp{width:100%;border:2px solid var(--line);border-radius:var(--r);padding:.8rem 1rem;font-family:inherit;
  font-size:1rem;background:var(--card);color:var(--ink);transition:border-color .18s;min-height:52px}
.inp::placeholder{color:#98A2AE}
.inp:focus{outline:none;border-color:var(--red)}
.inp.accepted{border-color:var(--ok)}
.cfg-custom-msg{min-height:1.25em;margin-top:8px;font-size:.88rem;font-weight:600}
.cfg-custom-msg.ok{color:var(--ok)}
.cfg-custom-msg.warn{color:var(--red)}
.cfg-banner{margin-top:18px;display:flex;gap:.7rem;align-items:flex-start;background:#E9F5EE;border:1px solid #BFE0CD;
  border-radius:var(--r);padding:14px 16px;font-size:.92rem;color:#175E39}
.cfg-banner svg{width:20px;height:20px;flex:none;color:var(--ok);margin-top:1px}
.cfg-actions{margin-top:28px}
.cfg-next{width:100%;padding:1.05rem;border:0;border-radius:var(--r);font-family:'Lexend';font-weight:600;
  font-size:1.05rem;color:#fff;cursor:pointer;background:var(--red);transition:background .18s;min-height:56px}
.cfg-next:hover:not(:disabled){background:var(--red-dark)}
.cfg-next svg{width:17px;height:17px;vertical-align:-3px}
.cfg-next:disabled{background:#C8CFD7;cursor:not-allowed}
.cfg-req{margin-top:10px;font-size:.88rem;color:var(--slate);text-align:center}
.cfg-back{margin-top:14px;display:inline-flex;align-items:center;gap:.4rem;color:var(--slate);font-family:'Lexend';
  font-weight:500;font-size:.94rem;background:none;border:0;cursor:pointer;min-height:44px}
.cfg-back svg{width:16px;height:16px}
.cfg-back:hover{color:var(--ink)}
.cfg-form{display:grid;gap:16px;max-width:500px;margin:0 auto}
.cfg-form label{font-family:'Lexend';font-weight:500;font-size:.88rem;display:block;margin-bottom:.4rem}
.cfg-form .two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cfg-consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.88rem;color:var(--slate);font-family:'Source Sans 3';font-weight:400}
.cfg-consent input{margin-top:3px;width:20px;height:20px;flex:none;accent-color:var(--red)}
.cfg-consent a{color:var(--red);text-decoration:underline}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.cfg-success{text-align:center;padding:16px 0}
.cfg-success .ring{width:72px;height:72px;border-radius:50%;background:#E9F5EE;color:var(--ok);display:grid;place-items:center;margin:0 auto 20px}
.cfg-success .ring svg{width:34px;height:34px}
.cfg-success h3{font-size:1.7rem;margin-bottom:.6rem}
.cfg-success p{color:var(--slate);max-width:44ch;margin:0 auto 20px}
.cfg-summary{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:18px;
  max-width:420px;margin:0 auto 22px;text-align:left;font-size:.93rem}
.cfg-summary div{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid var(--line)}
.cfg-summary div:last-child{border:0}
.cfg-summary span{color:var(--slate)}
.cfg-summary b{font-family:'Lexend';font-weight:600}
.cfg-enter{animation:fadeC .25s ease both}
@keyframes fadeC{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- Über uns ---------- */
.about-c .wrap{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.about-c .shot img{width:100%;height:auto;border-radius:var(--r);box-shadow:var(--sh)}
.about-c h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin:.8rem 0 1rem}
.about-c p{color:var(--slate);margin-bottom:1rem}
.quote-c{border-left:4px solid var(--red);background:var(--bg-2);padding:18px 22px;border-radius:0 var(--r) var(--r) 0;
  font-size:1.04rem;color:var(--ink);margin:1.4rem 0}
.klist{list-style:none;display:grid;gap:.6rem;margin-top:1.2rem}
.klist li{display:grid;grid-template-columns:22px 1fr;gap:.6rem;font-size:.97rem}
.klist svg{width:18px;height:18px;color:var(--ok);margin-top:4px}

/* ---------- Partner ---------- */
.part-c{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ablauf-c{background:var(--bg-2);border-top:1px solid var(--line)}
.cont-c{background:var(--bg-2)}
/* beide Spalten sind Karten gleicher Höhe – kein Höhenversatz */
.pgrid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.vbox,.supbox{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:30px;
  display:flex;flex-direction:column;height:100%}
.vbox .vl{display:inline-flex;align-items:center;gap:.7rem;border:1px solid var(--line);border-radius:var(--r);padding:.6rem 1rem;margin-bottom:1.2rem}
.vbox .vl img{height:26px}
.vbox .vl .bar{width:3px;height:26px;background:var(--vaillant);border-radius:2px}
.vbox .vl span{font-family:'Lexend';font-weight:500;font-size:.88rem}
.vbox p{color:var(--slate);font-size:.97rem;margin-bottom:1.3rem}
.vacts{display:flex;gap:.7rem;flex-wrap:wrap}
.vprods{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:auto;padding-top:22px}
.vprod{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.vprod img{width:100%;height:140px;object-fit:cover}
.vprod div{padding:12px 14px}
.vprod b{display:block;font-family:'Lexend';font-weight:600;font-size:.95rem}
.vprod small{color:var(--slate);font-size:.8rem}

/* Lieferanten/Mitgliedschaften: gleichmäßiges Raster statt ausgefranster Reihe */
.supbox .g+.g{margin-top:26px}
.supbox .g>span{display:block;font-family:'Lexend';font-weight:600;font-size:.78rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--slate);margin-bottom:12px}
.supbox .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.chip-c{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:.9rem 1rem;min-height:64px;
  font-family:'Lexend';font-weight:500;font-size:.95rem;color:var(--ink);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.15rem;
  text-align:center;line-height:1.25;transition:border-color .18s,color .18s,box-shadow .18s}
a.chip-c:hover{border-color:var(--red);color:var(--red);box-shadow:var(--sh)}
.chip-c small{font-family:'Source Sans 3';font-weight:400;font-size:.74rem;color:var(--slate)}
.chip-c .vrow{display:flex;align-items:center;gap:.45rem}
.chip-c img{height:19px}
.chip-c .bar{width:3px;height:19px;background:var(--vaillant);border-radius:2px}
.supnote{margin-top:auto;padding-top:22px;border-top:1px solid var(--line-2);
  color:var(--slate);font-size:.9rem;display:flex;gap:.6rem;align-items:flex-start}
.supnote svg{width:18px;height:18px;color:var(--red);flex:none;margin-top:3px}

/* ---------- Kontakt ---------- */
.cont-c .panel{display:grid;grid-template-columns:1.05fr .95fr;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.cont-c .left{padding:44px;background:var(--card)}
.cont-c .right{padding:44px;background:var(--block);color:#fff}
.frow{margin-bottom:16px}
.frow label{display:block;font-family:'Lexend';font-weight:500;font-size:.9rem;margin-bottom:.4rem}
textarea.inp{min-height:120px;resize:vertical}
.crow{display:flex;gap:1rem;align-items:flex-start;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.crow:last-child{border-bottom:0}
.crow .ic{width:42px;height:42px;border-radius:var(--r);background:rgba(255,255,255,.1);display:grid;place-items:center;flex:none}
.crow .ic svg{width:20px;height:20px}
.crow b{display:block;font-family:'Lexend';font-weight:600;font-size:1.06rem}
.crow small{color:#AEB8C4}
.map-c{margin-top:26px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;height:320px}
.map-c iframe{width:100%;height:100%;border:0;display:block}
.map-consent{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:26px;background:var(--bg-2)}
.map-consent svg{width:36px;height:36px;color:var(--slate)}
.map-consent p{font-size:.9rem;color:var(--slate);max-width:48ch}
.map-consent a{color:var(--red);text-decoration:underline}
.msg{border-radius:var(--r);padding:14px 18px;margin-bottom:1.2rem;font-size:.95rem;border:1px solid}
.msg.ok{background:#E9F5EE;border-color:#BFE0CD;color:#175E39}
.msg.err{background:var(--red-tint);border-color:#F0BFC1;color:var(--red-dark)}

/* ---------- Footer ---------- */
footer.c{background:var(--block);color:#AEB8C4;padding:56px 0 24px}
footer.c .grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:38px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.13)}
footer.c h4{font-family:'Lexend';color:#fff;font-size:.96rem;margin-bottom:1rem}
footer.c a{display:block;color:#AEB8C4;margin-bottom:.5rem;font-size:.94rem;transition:color .18s}
footer.c a:hover{color:#fff}
.flogo img{height:46px;margin-bottom:14px}
.fb{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
footer.c a.fbi{display:inline-flex;align-items:center;gap:.45rem;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r);padding:.5rem .75rem;font-size:.78rem;margin-bottom:0}
.fbi img{height:16px}
.fbot{display:flex;justify-content:space-between;padding-top:22px;font-size:.86rem;color:#8A94A2;flex-wrap:wrap;gap:.5rem}
.fbot a{display:inline;margin-left:1.4rem}

/* ---------- Mobile bar ---------- */
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;grid-template-columns:1fr 1fr;
  background:var(--card);border-top:1px solid var(--line);box-shadow:0 -4px 14px -8px rgba(20,24,31,.3)}
.mbar a{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:1rem;min-height:58px;
  font-family:'Lexend';font-weight:600;font-size:1rem}
.mbar a svg{width:19px;height:19px}
.mbar .call{color:var(--ink);border-right:1px solid var(--line)}
.mbar .quote{background:var(--red);color:#fff}
.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--red);color:#fff;padding:.7rem 1.2rem}
.skip-link:focus{left:0}

/* ---------- Responsive (mobile-first Kontrolle) ---------- */
@media(max-width:1000px){
  /* CTA im Header ausblenden – die feste Leiste unten übernimmt sie (keine Dopplung) */
  nav.c,.htel,header.c .hcta>.btn{display:none}
  .burger{display:flex}
  header.c .wrap{height:70px}
  section{padding:60px 0}
  .hero-c .wrap{grid-template-columns:1fr;gap:36px;padding:52px 0}
  .hero-shot{order:-1}
  .fbadge{left:auto;right:12px;bottom:-14px;padding:13px 16px}
  .proof .wrap{grid-template-columns:1fr 1fr}
  .svc,.grant .wrap,.about-c .wrap,.pgrid,.cont-c .panel{grid-template-columns:1fr}
  .vbox,.supbox{height:auto}
  .steps{grid-template-columns:1fr 1fr;gap:28px 20px}
  .step{padding-right:0}
  .step::after{display:none!important}
  footer.c .grid{grid-template-columns:1fr 1fr}
  .mbar{display:grid}
  body{padding-bottom:66px}
  nav.c.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;gap:0;background:var(--card);
    padding:.5rem 4vw 1.2rem;border-bottom:1px solid var(--line);box-shadow:var(--sh)}
  nav.c.open a{padding:1rem .2rem;border-bottom:1px solid var(--line-2);min-height:52px}
}
@media(max-width:620px){
  body{font-size:16px}
  .ubar .wrap>span:first-child{display:none}
  .ubar .wrap{justify-content:center}
  .proof .wrap,.gnums,.steps,.cfg-grid.cols-2,.cfg-form .two,.vprods,footer.c .grid{grid-template-columns:1fr}
  .cfg-grid.cols-3{grid-template-columns:1fr 1fr}
  .cont-c .left,.cont-c .right{padding:28px}
  .cfg-shell{padding:26px 16px}
  .map-c{height:270px}
}
/* ---------- Rechtsseiten (Impressum / Datenschutz) ---------- */
.page-head-c{background:var(--bg-2);border-bottom:1px solid var(--line);padding:52px 0 44px}
.page-head-c h1{font-size:clamp(1.9rem,3.6vw,2.6rem);margin:.8rem 0 0}
.legal{max-width:820px;font-size:1rem;line-height:1.7}
.legal h2{font-family:'Lexend';font-size:1.4rem;margin:2.2rem 0 .7rem}
.legal h3{font-family:'Lexend';font-size:1.1rem;margin:1.6rem 0 .5rem}
.legal h2:first-child,.legal h3:first-child{margin-top:0}
.legal p{margin-bottom:1rem}
.legal a{color:var(--red);text-decoration:underline;word-break:break-word}
.legal ol{margin:0 0 1rem 1.3rem;display:grid;gap:1.1rem}
.legal ol ol{margin-top:.8rem}
.legal ol>li>h3{margin-top:0}
.legal .addr{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;margin:0 0 1.2rem}
.legal .muted{color:var(--slate);font-size:.92rem}
.legal .cols{columns:2;column-gap:36px;font-size:.9rem;color:var(--slate)}
@media(max-width:600px){.legal .cols{columns:1}}

/* ---------- Hinweis-Banner (steuerbar über hinweis.txt) ---------- */
.notice{color:#fff;font-size:.94rem}
.notice .wrap{display:flex;gap:.8rem;align-items:flex-start;padding:13px 0}
.notice .ic{flex:none;display:grid;place-items:center;margin-top:1px}
.notice .ic svg{width:20px;height:20px}
.notice p{margin:0;line-height:1.45}
.notice b{font-family:'Lexend';font-weight:600}
.notice-urlaub{background:var(--red)}
.notice-info{background:#1D5C93}
.notice-warnung{background:#B37400}

/* ---------- Theme-Schalter ---------- */
.tglc{background:none;border:0;cursor:pointer;color:var(--ink);display:inline-flex;align-items:center;
  justify-content:center;width:44px;height:44px;border-radius:var(--r);transition:background .18s,color .18s}
.tglc:hover{background:var(--bg-2)}
.tglc svg{width:21px;height:21px}
.tglc .sun{display:none}
html[data-theme="dark"] .tglc{color:#E7ECF2}
html[data-theme="dark"] .tglc:hover{background:#212936}
html[data-theme="dark"] .tglc .moon{display:none}
html[data-theme="dark"] .tglc .sun{display:inline-flex}

/* ===========================================================
   Dark Mode – NUR per Schalter. Standard bleibt hell,
   auch wenn das Betriebssystem auf dunkel steht.
   =========================================================== */
html[data-theme="dark"]{
  --ink:#E7ECF2;          /* Text */
  --slate:#9AA5B3;
  --line:#2C3440;
  --line-2:#232A34;
  --bg:#12161C; --card:#191F27; --block:#0D1116;
  --bg-2:#161B22; --bg-3:#1F2732;
  --red-tint:#2C1719;
  --sh:0 1px 2px rgba(0,0,0,.5),0 10px 28px -16px rgba(0,0,0,.85);
  color-scheme:dark;
  background:#12161C;
}
html[data-theme="dark"] body{background:var(--bg);color:var(--ink)}
html[data-theme="dark"] .logo img{content:url("../img/zerbes-heizung-logo-white.png")}
html[data-theme="dark"] .burger span{background:var(--ink)}
html[data-theme="dark"] .scard:hover{border-color:#3A4451}
html[data-theme="dark"] .scard .pic img,
html[data-theme="dark"] .vprod img,
html[data-theme="dark"] .about-c .shot img,
html[data-theme="dark"] .hero-shot img{filter:brightness(.88) contrast(1.02)}
html[data-theme="dark"] .cfg-banner{background:#13291E;border-color:#22462F;color:#8FD3AB}
html[data-theme="dark"] .cfg-banner svg{color:#4FB07A}
html[data-theme="dark"] .cfg-success .ring{background:#13291E;color:#4FB07A}
html[data-theme="dark"] .cfg-next:disabled{background:#333C48;color:#7C8794}
html[data-theme="dark"] .msg.ok{background:#13291E;border-color:#22462F;color:#8FD3AB}
html[data-theme="dark"] .msg.err{background:#2C1719;border-color:#4E2427;color:#F0A8AB}
html[data-theme="dark"] .scard li,
html[data-theme="dark"] .klist li{color:var(--ink)}
html[data-theme="dark"] .quote-c{background:var(--bg-2)}
html[data-theme="dark"] .map-c iframe{filter:brightness(.85) contrast(1.05)}
html[data-theme="dark"] .btn-out{background:var(--card);color:var(--ink)}
html[data-theme="dark"] .btn-out:hover{border-color:#6B7684}
html[data-theme="dark"] .opt:hover,html[data-theme="dark"] .pill:hover{border-color:#3E4854;background:var(--bg-2)}
html[data-theme="dark"] .opt .ic{background:var(--bg-3);color:var(--slate)}

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