/* Fit für Energie – Entwurf 2026 */
:root{
  --orange:#e55500; --orange-dark:#b84400; --blue:#388ecd; --blue-dark:#1f6fa8;
  --head:#2b2a45; --text:#3a3a3a; --muted:#5b5f6a; --bg:#fff; --bg-1:#F5F5F5; --bg-2:#F2F5F7;
  --line:#e3e6ea; --radius:14px; --shadow:0 6px 24px rgba(43,42,69,.08);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif;
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:1.0625rem;line-height:1.65;color:var(--text);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-dark)}
a:hover{color:var(--orange-dark)}
h1,h2,h3,h4{color:var(--head);line-height:1.2;margin:0 0 .6em}
h1{font-size:clamp(2rem,5vw,3.2rem);letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem);letter-spacing:-.01em}
h3{font-size:1.25rem}
p{margin:0 0 1em}
.container{width:min(100% - 2.5rem,var(--max));margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--head);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:1rem;top:1rem}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:68px;padding-top:.35rem;padding-bottom:.35rem}
.logo{display:block;flex:0 0 auto;line-height:0}
.logo img{height:54px;width:auto;display:block}
@media (min-width:960px){.logo img{height:72px}.header-inner{min-height:88px}}
.nav-toggle{display:inline-flex;align-items:center;gap:.4rem;background:none;border:1px solid var(--line);border-radius:10px;padding:.5rem .75rem;font:inherit;color:var(--head);cursor:pointer}
.nav-toggle svg{width:22px;height:22px}
.main-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.main-nav.open{display:block}
.main-nav ul{list-style:none;margin:0;padding:.5rem 1.25rem 1rem}
.main-nav a{display:block;padding:.75rem 0;color:var(--head);text-decoration:none;font-weight:600;border-bottom:1px solid var(--line)}
.main-nav a[aria-current="page"]{color:var(--orange)}
.main-nav .btn{margin-top:.75rem;border:0;text-align:center;color:#fff}
@media (min-width:960px){
  .nav-toggle{display:none}
  .main-nav{display:block;position:static;box-shadow:none;border:0;background:none}
  .main-nav ul{display:flex;align-items:center;gap:1.6rem;padding:0}
  .main-nav a{border:0;padding:.4rem 0}
  .main-nav .btn{margin:0;padding:.65rem 1.2rem}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.9rem 1.5rem;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid transparent;cursor:pointer;font:inherit;font-weight:700;transition:background .15s,transform .15s}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--head);border-color:var(--head)}
.btn-ghost:hover{background:var(--head);color:#fff}
.btn-light{background:#fff;color:var(--head)}
.btn-light:hover{background:var(--bg-1);color:var(--head)}
.btn svg{width:20px;height:20px}
.btn-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem}

/* Hero */
.hero{position:relative;background:var(--bg-2);overflow:hidden}
.hero-grid{display:grid;gap:2rem;padding:3rem 0 3.5rem}
.eyebrow{display:inline-block;font-size:.85rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--orange);margin-bottom:.8rem}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:38ch}
.hero-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3;background:#dfe7ee}
.hero-media img{width:100%;height:100%;object-fit:cover}
.trust-row{display:flex;flex-wrap:wrap;gap:.6rem 1.2rem;margin:1.6rem 0 0;padding:0;list-style:none;font-weight:600;color:var(--head);font-size:.95rem}
.trust-row li{display:flex;align-items:center;gap:.4rem}
.trust-row svg{width:20px;height:20px;color:var(--orange);flex:none}
@media (min-width:900px){.hero-grid{grid-template-columns:1.05fr .95fr;align-items:center;padding:5rem 0}}

/* Sections */
section{padding:4rem 0}
.section-alt{background:var(--bg-1)}
.section-head{max-width:720px;margin-bottom:2.5rem}
.section-head p{color:var(--muted)}
.grid{display:grid;gap:1.25rem}
@media (min-width:640px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card .icon{width:52px;height:52px;border-radius:12px;background:rgba(229,85,0,.1);color:var(--orange);display:grid;place-items:center;margin-bottom:1rem}
.card .icon svg{width:28px;height:28px}
.card.blue .icon{background:rgba(56,142,205,.12);color:var(--blue)}
.card p{color:var(--muted);flex:1}
.card .more{font-weight:700;text-decoration:none;color:var(--orange)}
.card.featured{border:2px solid var(--orange)}
.badge{align-self:flex-start;background:var(--orange);color:#fff;font-size:.75rem;font-weight:700;padding:.2rem .6rem;border-radius:999px;margin-bottom:.8rem;text-transform:uppercase;letter-spacing:.05em}

/* Feature split */
.split{display:grid;gap:2rem;align-items:center}
@media (min-width:900px){.split{grid-template-columns:1fr 1fr}.split.reverse>:first-child{order:2}}
.split-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.check-list{list-style:none;padding:0;margin:1rem 0}
.check-list li{position:relative;padding-left:2rem;margin-bottom:.7rem}
.check-list li::before{content:"";position:absolute;left:0;top:.3em;width:1.2rem;height:1.2rem;border-radius:50%;background:var(--orange) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/70% no-repeat}

/* Steps */
.steps{counter-reset:step;list-style:none;padding:0;margin:0;display:grid;gap:1.25rem}
@media (min-width:760px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1100px){.steps.five{grid-template-columns:repeat(5,1fr)}}
.steps li{counter-increment:step;background:#fff;border-radius:var(--radius);padding:1.5rem;border:1px solid var(--line);position:relative}
.steps li::before{content:counter(step);display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--head);color:#fff;font-weight:800;margin-bottom:.8rem}
.steps h3{font-size:1.1rem;margin-bottom:.3rem}
.steps p{font-size:.95rem;color:var(--muted);margin:0}

/* Highlight band */
.band{background:var(--head);color:#fff}
.band h2,.band h3{color:#fff}
.band p{color:#d9dbe6}
.band-grid{display:grid;gap:1.5rem}
@media (min-width:900px){.band-grid{grid-template-columns:repeat(3,1fr)}}
.band .stat{border-left:4px solid var(--orange);padding-left:1rem}
.band .stat strong{display:block;font-size:1.5rem;color:#fff;line-height:1.2}

/* CTA */
.cta{background:linear-gradient(120deg,var(--orange),#f07a2c);color:#fff;border-radius:calc(var(--radius) + 6px);padding:2.5rem;display:grid;gap:1.5rem}
.cta h2{color:#fff;margin-bottom:.3rem}
.cta p{color:#fff3ea;margin:0}
@media (min-width:900px){.cta{grid-template-columns:1.4fr 1fr;align-items:center;padding:3rem}}
.cta .btn-row{margin:0;justify-content:flex-start}
@media (min-width:900px){.cta .btn-row{justify-content:flex-end}}

/* Placeholders */
.placeholder{border:2px dashed #c8ccd3;border-radius:var(--radius);background:repeating-linear-gradient(45deg,#fafafa,#fafafa 10px,#f2f3f5 10px,#f2f3f5 20px);color:#777;display:grid;place-items:center;text-align:center;padding:1.5rem;font-weight:600;min-height:140px}
.ph{background:#fff3cd;color:#7a5a00;padding:0 .3em;border-radius:4px;font-weight:600}

/* Region */
.region-list{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0;margin:1rem 0 0}
.region-list li{background:#fff;border:1px solid var(--line);padding:.35rem .9rem;border-radius:999px;font-weight:600;color:var(--head);font-size:.95rem}

/* FAQ */
.faq{max-width:820px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:.75rem;padding:0 1.2rem}
.faq summary{cursor:pointer;font-weight:700;color:var(--head);padding:1.1rem 2rem 1.1rem 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--orange)}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 0 1.1rem;color:var(--muted)}

/* Page header (sub pages) */
.page-hero{background:var(--bg-2);padding:3rem 0 2.5rem}
.page-hero p.lead{font-size:1.15rem;color:var(--muted);max-width:60ch}
.breadcrumb{font-size:.9rem;margin-bottom:1rem;color:var(--muted)}
.breadcrumb a{color:var(--muted)}

/* Forms */
.form-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem}
@media (min-width:700px){.form-wrap{padding:2.5rem}}
.progress{display:flex;gap:.4rem;margin-bottom:1.5rem;list-style:none;padding:0}
.progress li{flex:1;height:6px;border-radius:3px;background:var(--line)}
.progress li.done{background:var(--orange)}
.step-label{font-size:.9rem;color:var(--muted);margin-bottom:.4rem}
fieldset{border:0;padding:0;margin:0 0 1.5rem;min-width:0}
legend{font-weight:700;color:var(--head);margin-bottom:.7rem;font-size:1.05rem;padding:0}
.choices{display:grid;gap:.6rem;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.choice{position:relative}
.choice input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.choice span{display:flex;align-items:center;justify-content:center;text-align:center;min-height:56px;padding:.7rem;border:2px solid var(--line);border-radius:12px;font-weight:600;color:var(--head);background:#fff;transition:border-color .15s,background .15s}
.choice input:checked+span{border-color:var(--orange);background:rgba(229,85,0,.06)}
.choice input:focus-visible+span{outline:3px solid var(--blue);outline-offset:2px}
.field{margin-bottom:1rem}
.field label{display:block;font-weight:600;color:var(--head);margin-bottom:.35rem}
.field input,.field select,.field textarea{width:100%;font:inherit;padding:.8rem .9rem;border:1.5px solid #cfd4da;border-radius:10px;background:#fff;color:var(--text)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px rgba(56,142,205,.2)}
.field-row{display:grid;gap:0 1rem}
@media (min-width:640px){.field-row{grid-template-columns:1fr 1fr}}
.hint{font-size:.88rem;color:var(--muted)}
.consent{display:flex;gap:.7rem;align-items:flex-start;font-size:.95rem}
.consent input{width:20px;height:20px;margin-top:.2rem;flex:none;accent-color:var(--orange)}
.form-nav{display:flex;justify-content:space-between;gap:1rem;margin-top:1.5rem}
.form-step[hidden]{display:none}
.error{color:#b00020;font-size:.9rem;font-weight:600;margin-top:.5rem}
.hp{position:absolute;left:-5000px}

/* Contact */
.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{display:flex;gap:.8rem;align-items:flex-start;margin-bottom:1rem}
.contact-list svg{width:24px;height:24px;color:var(--orange);flex:none;margin-top:.2rem}

/* Legal */
.legal{max-width:820px}
.legal h2{font-size:1.4rem;margin-top:2rem}
.draft-note{background:#fff3cd;border:1px solid #f0d98c;color:#5e4500;border-radius:12px;padding:1rem 1.2rem;margin-bottom:2rem;font-weight:600}

/* Footer */
.site-footer{background:#1f1e33;color:#c9cbd8;padding:3.5rem 0 1.5rem;font-size:.95rem}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{color:#ffb98a}
.footer-grid{display:grid;gap:2rem}
@media (min-width:800px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.site-footer h2{color:#fff;font-size:1rem;margin-bottom:.8rem;text-transform:uppercase;letter-spacing:.06em}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:.45rem}
.footer-logo{background:#fff;display:inline-block;padding:.5rem .7rem;border-radius:8px;margin-bottom:1rem}
.footer-logo{line-height:0}
.footer-logo img{height:72px;width:auto;display:block}
.footer-bottom{border-top:1px solid #36354f;margin-top:2.5rem;padding-top:1.2rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem;font-size:.85rem}

/* Mobile sticky CTA */
.mobile-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;gap:.5rem;padding:.6rem;background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(0,0,0,.06)}
.mobile-cta .btn{flex:1;padding:.75rem .5rem;font-size:.95rem}
body{padding-bottom:70px}
@media (min-width:960px){.mobile-cta{display:none}body{padding-bottom:0}}

/* Illustration */
.illu{background:linear-gradient(180deg,#eaf3fb,#f7fafc);border-radius:var(--radius);box-shadow:var(--shadow);padding:1rem}
.illu svg{width:100%;height:auto}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
[hidden]{display:none!important}
#anfrage-form,[id]{scroll-margin-top:90px}

/* Galerie */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:280px;grid-auto-flow:dense;gap:1rem}
.gallery-item{position:relative;margin:0;border-radius:12px;overflow:hidden;background:#e9edf0}
.gallery-item.wide{grid-column:span 2}
.gallery-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.gallery-item:hover img{transform:scale(1.03)}
.gallery-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:1.6rem .9rem .7rem;color:#fff;font-weight:600;font-size:.95rem;background:linear-gradient(transparent,rgba(0,0,0,.65))}
@media (max-width:760px){.gallery{grid-template-columns:1fr;grid-auto-rows:240px}.gallery-item.wide{grid-column:auto}}
@media (prefers-reduced-motion:reduce){.gallery-item img{transition:none}}
.split-media.portrait img{aspect-ratio:3/4;max-height:620px;width:auto;margin-inline:auto;object-fit:cover}

/* Marken */
.brands{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem}
.brand-group{background:#fff;border:1px solid #e3e7ea;border-radius:12px;padding:1.25rem}
.brand-group h3{font-size:1rem;margin:0 0 .8rem;color:#2b2a45}
.brand-group h3:empty{display:none}
.brand-group.bare{background:none;border:0;padding:0;margin-top:.75rem}
.brand-tiles{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.6rem}
.brand-tile{flex:1 1 auto;min-width:110px;text-align:center;padding:.85rem 1rem;border:1px solid #dde2e6;border-radius:8px;background:#F5F5F5;font-weight:800;letter-spacing:.02em;color:#2b2a45;font-size:1.02rem}
.brand-group.blue .brand-tile{background:#eef5fb;border-color:#cfe2f2}

/* Region */
.region-map svg{width:100%;height:auto;max-width:460px;display:block;margin-inline:auto}

/* Formular-Hinweise (funktionieren auch ohne JS über :target) */
.form-notice{padding:1.5rem;border-radius:12px;margin-bottom:1.5rem}
.form-notice.success{background:#eef7ee;border:1px solid #b9dcb9}
.form-notice.error-box{background:#fff3ec;border:1px solid #f3c3a6}
#form-success:target,#form-fehler:target{display:block!important}
#form-success:target~.progress,#form-success:target~.step-label,#form-success:target~form{display:none!important}
.legal h3{font-size:1.12rem;margin-top:1.5rem}
.legal ul ul{margin-top:.3rem}
.legal-summary{background:#f6f7f8;border-left:4px solid #e55500;border-radius:8px;padding:.8rem 1.1rem;margin:1rem 0 1.2rem}
.legal-summary p{margin:.2rem 0;font-size:.95rem}
.legal{overflow-wrap:anywhere}
.stars{display:inline-flex;gap:2px;vertical-align:middle}
.stars .star{width:20px;height:20px;fill:#f5a623}
.stars .star.off{fill:#d5d8dd}
.rating-badge{display:inline-flex;align-items:center;gap:.6rem;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:999px;padding:.45rem 1rem;color:var(--text);text-decoration:none;font-weight:600;box-shadow:var(--shadow)}
.rating-badge:hover,.rating-badge:focus-visible{border-color:var(--orange)}
.review{margin:0;gap:.9rem}
.review blockquote{margin:0;flex:1}
.review blockquote p{margin:0;font-style:italic}
.review figcaption{display:flex;flex-direction:column;gap:.1rem;border-top:1px solid var(--line);padding-top:.8rem}
.review-src{font-size:.82rem;color:var(--muted)}
@media (max-width:520px){.rating-badge{border-radius:12px;gap:.35rem .6rem}}
.nw{white-space:nowrap}