:root{
  --bg:#f6f7f7; --text:#101417; --muted:#667078; --dark:#13232d;
  --green:#80b918; --line:#dfe4e6; --white:#fff; --max:1180px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff;line-height:1.55}
img{max-width:100%} a{color:inherit;text-decoration:none}.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(18,34,44,.96);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:40px;height:40px;border:2px solid var(--green);display:grid;place-items:center;font-weight:800;color:var(--green)}.brand strong{display:block;font-size:14px;letter-spacing:.04em}.brand span{display:block;font-size:12px;opacity:.75}.main-nav{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:700}.menu-toggle{display:none;background:none;border:0;color:white;font-size:28px}
.btn{display:inline-block;background:var(--green);color:white;border:none;padding:14px 22px;font-weight:800;border-radius:3px;cursor:pointer}.btn-small{padding:10px 16px}.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.65)}
.hero{position:relative;min-height:650px;display:flex;align-items:center;color:white;background:
linear-gradient(90deg,rgba(6,16,22,.82),rgba(6,16,22,.35)),
url('https://images.unsplash.com/photo-1508514177221-188b1cf16e9d?auto=format&fit=crop&w=1800&q=80') center/cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 70%,rgba(0,0,0,.35))}
.hero-content{position:relative;z-index:1;padding:80px 0}.eyebrow{text-transform:uppercase;font-weight:800;letter-spacing:.08em;font-size:12px}.green{color:var(--green)}
h1{font-size:clamp(42px,6vw,74px);line-height:1.05;margin:12px 0 20px;max-width:900px}h1 span{color:var(--green)}h2{font-size:clamp(30px,4vw,48px);line-height:1.12;margin:8px 0 20px}h3{line-height:1.25}.hero-sub{font-size:20px;font-weight:800}.hero-copy{max-width:650px;font-size:18px}.hero-actions{display:flex;gap:12px;margin:28px 0}.trust-row{display:flex;gap:28px;flex-wrap:wrap;font-size:14px;font-weight:700;margin-top:36px}
.section{padding:90px 0}.light{background:var(--bg)}.split{display:grid;grid-template-columns:1fr 1.3fr;gap:70px;align-items:center}.section-head{margin-bottom:34px}.system-flow{padding:20px}.flow-main,.flow-sub{display:flex;align-items:center;justify-content:space-between;gap:14px}.flow-sub{margin-top:52px;flex-wrap:wrap}.node{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;font-size:32px}.node b{font-size:12px;text-transform:uppercase}.cards{display:grid;gap:18px}.cards.four{grid-template-columns:repeat(4,1fr)}.cards.three{grid-template-columns:repeat(3,1fr)}.card,.project-card{background:white;border:1px solid var(--line);box-shadow:0 8px 24px rgba(0,0,0,.03)}.card{padding:28px}.icon{font-size:38px;color:var(--green)}ul{padding-left:20px}.card li{margin:7px 0}.photo-placeholder{min-height:430px;background:linear-gradient(135deg,#d8dddf,#aab5ba);display:grid;place-items:center;color:#42515a;font-weight:800}.green-text{color:var(--green)}.steps-inline{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:28px;font-weight:800}.steps-inline i{color:var(--green)}
.project-image{height:220px;background-size:cover;background-position:center}.p1{background-image:url('https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=900&q=80')}.p2{background-image:url('https://images.unsplash.com/photo-1621905251918-48416bd8575a?auto=format&fit=crop&w=900&q=80')}.p3{background-image:url('https://images.unsplash.com/photo-1592833159155-c62df1b65634?auto=format&fit=crop&w=900&q=80')}.project-body{padding:24px}.project-body small{color:var(--muted)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}.process-grid b{font-size:38px;color:var(--green)}.dark-panel{background:var(--dark);color:white}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;font-weight:800}.narrow{max-width:850px}.narrow details{border-bottom:1px solid var(--line);padding:18px 0}.narrow summary{font-weight:800;cursor:pointer}.contact{background:#eef2f3}.contact-form{background:white;padding:28px;border:1px solid var(--line)}label{display:block;font-weight:700;margin-bottom:16px}input,select,textarea{width:100%;margin-top:7px;padding:13px;border:1px solid #cfd7da;font:inherit;background:#fff}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.site-footer{background:#0f1c24;color:#dfe8eb;padding:32px 0;font-size:14px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px}
@media(max-width:900px){
  .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#13232d;padding:22px;flex-direction:column;align-items:flex-start}.main-nav.open{display:flex}.menu-toggle{display:block}
  .split,.cards.four,.cards.three,.process-grid,.footer-grid{grid-template-columns:1fr 1fr}.hero{min-height:620px}.system-flow{padding:0}
}
@media(max-width:640px){
  .container{width:min(100% - 28px,var(--max))}.section{padding:64px 0}.hero-content{padding:60px 0}.hero-actions{flex-direction:column;align-items:flex-start}
  .split,.cards.four,.cards.three,.process-grid,.footer-grid,.form-row{grid-template-columns:1fr}.trust-row{gap:12px;flex-direction:column}
  .flow-main{display:grid;grid-template-columns:1fr;justify-items:center}.flow-main>span{transform:rotate(90deg)}.flow-sub{display:grid;grid-template-columns:1fr 1fr}
  .check-grid{grid-template-columns:1fr}.project-image{height:190px}
}

.real-photo{height:430px;overflow:hidden;background:#e5e8e9}.real-photo img,.project-image img{width:100%;height:100%;object-fit:cover;display:block}.comparison{position:relative;max-width:980px;height:min(62vw,600px);min-height:360px;overflow:hidden;background:#ddd}.comparison-base,.comparison-after img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.comparison-after{position:absolute;inset:0;width:50%;overflow:hidden}.comparison-after img{width:min(980px,calc(100vw - 40px));max-width:none}.comparison-line{position:absolute;top:0;bottom:0;left:50%;width:3px;background:white;box-shadow:0 0 0 1px rgba(0,0,0,.15)}.comparison-range{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}.comparison-label{position:absolute;top:18px;padding:7px 11px;background:rgba(15,28,36,.82);color:white;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.comparison-label.before{left:18px}.comparison-label.after{right:18px}.project-image{height:220px;overflow:hidden}

.legal-page{padding:70px 0;max-width:900px;margin:auto}.legal-page h1{font-size:44px}.legal-page h2{margin-top:32px;font-size:22px}.legal-page p{line-height:1.7}.legal-page a{color:#78a91c;font-weight:700}

.hp-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}

/* V8 SEO landing pages */
.seo-hero{padding:92px 0 72px;background:linear-gradient(135deg,#f4f6f6,#fff)}
.narrow-seo{max-width:920px}.seo-hero h1{color:#111;font-size:clamp(38px,5vw,64px);max-width:900px}
.seo-lead{font-size:20px;max-width:800px;color:#485158}.seo-text-link{font-weight:800;margin-left:18px}
.seo-body{padding:30px 0 80px}.seo-content-block{padding:34px 0;border-bottom:1px solid #e1e5e6}
.seo-content-block h2{font-size:clamp(26px,3vw,38px)}.seo-content-block p{font-size:17px;max-width:820px;color:#444d52}
.seo-related{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.seo-related-card{border:1px solid #dfe4e6;background:#fff;padding:20px;display:flex;flex-direction:column;gap:10px;min-height:110px}
.seo-related-card:hover{border-color:#80b918}.seo-related-card span{font-size:13px;color:#6d777b}
.seo-cta{margin-top:50px;padding:42px;background:#13232d;color:#fff}.seo-cta h2{margin-top:4px}.seo-cta p{max-width:700px}
.seo-link-panel{padding:75px 0;background:#f6f7f7}.seo-link-panel h2{margin-bottom:28px}
@media(max-width:760px){.seo-related{grid-template-columns:1fr}.seo-text-link{display:inline-block;margin:18px 0 0 0}.seo-hero{padding:65px 0 50px}}

.seo-feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:24px 0}
.seo-feature-grid>div{border:1px solid #dfe4e6;background:#fff;padding:20px}
.seo-feature-grid strong{display:block;margin-bottom:8px;color:#111}
.seo-bullets{columns:2;column-gap:40px}
.seo-bullets li{margin:8px 0}
.seo-inline-link{color:#6f9d16;font-weight:800}
.seo-highlight-strip{padding:28px 0;background:#eaf1dd}
.seo-highlight-strip .container{display:flex;gap:18px;align-items:center;justify-content:center;flex-wrap:wrap}
.seo-highlight-strip a{font-weight:800;color:#5f8913}
@media(max-width:800px){
  .seo-feature-grid{grid-template-columns:1fr 1fr}
  .seo-bullets{columns:1}
}
@media(max-width:520px){
  .seo-feature-grid{grid-template-columns:1fr}
}

/* V10: HEMS-Infografik als echtes Website-Element */
.hems-visual-section{
  padding:82px 0;
  background:#fff;
}
.hems-visual-head{
  max-width:860px;
  margin:0 auto 34px;
  text-align:center;
}
.hems-visual-head h2{
  margin:6px 0 14px;
}
.hems-visual-head p:last-child{
  color:#50595e;
  font-size:17px;
  line-height:1.65;
}
.hems-infographic{
  margin:0 auto;
  max-width:1320px;
}
.hems-infographic img{
  display:block;
  width:100%;
  height:auto;
  border:1px solid #e3e7e8;
  border-radius:22px;
  background:#fff;
  box-shadow:0 18px 50px rgba(17,27,32,.06);
}
.hems-infographic figcaption{
  margin-top:12px;
  text-align:center;
  color:#6a7479;
  font-size:13px;
}
.hems-more-link{
  text-align:center;
  margin-top:22px;
}
.hems-more-link a{
  color:#648f13;
  font-weight:800;
}
@media(max-width:700px){
  .hems-visual-section{padding:58px 0}
  .hems-visual-head{text-align:left}
  .hems-infographic{
    width:calc(100vw - 16px);
    margin-left:50%;
    transform:translateX(-50%);
    overflow-x:auto;
  }
  .hems-infographic img{
    min-width:850px;
    border-radius:14px;
  }
  .hems-infographic figcaption{
    min-width:850px;
    padding:0 18px;
  }
}

/* V13: einheitliche monochrome Leistungs-Icons */
.service-card:nth-child(3) .service-icon,
.service-card:nth-child(3) .service-icon svg,
.service-card:nth-child(3) .service-icon svg *{
  color:#78a91c !important;
  fill:none !important;
  stroke:#78a91c !important;
}

/* V14: monochromes E-Mobilitäts-Icon, kein Emoji/Orange */
.mono-bolt{
  width:34px;
  height:42px;
  display:block;
  fill:none;
  stroke:#78a91c;
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}

/* V15: Haus/PV-Motiv wieder als Hero-Hintergrund */
.hero-house{
  position:relative;
  background-image:
    linear-gradient(90deg, rgba(8,18,24,.84) 0%, rgba(8,18,24,.68) 34%, rgba(8,18,24,.18) 62%, rgba(8,18,24,.08) 100%),
    url("assets/hero-haus-pv.webp") !important;
  background-size:cover !important;
  background-position:center center !important;
  background-repeat:no-repeat !important;
}
.hero-house::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(0deg,rgba(5,12,16,.22),transparent 40%);
  pointer-events:none;
}
.hero-house > *{
  position:relative;
  z-index:1;
}
@media(max-width:760px){
  .hero-house{
    background-position:62% center !important;
  }
}

/* V17 Fassaden-PV */
.facade-pv-project .project-image img{width:100%;height:100%;object-fit:cover;object-position:center 45%}