:root{
  --bg:#07111b;
  --bg2:#0b1724;
  --panel:#0d1a28;
  --panel2:#101f2f;
  --text:#f4f6f8;
  --muted:#b8c0ca;
  --gold:#f4c64f;
  --gold2:#d8a82f;
  --line:#26374a;
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:linear-gradient(180deg,#07111b,#09131e 60%,#06101a);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
.shell{width:min(var(--max),calc(100% - 40px));margin:auto}
.topbar{height:74px;display:flex;align-items:center;padding:0 max(22px,calc((100vw - var(--max))/2));background:#06101a;position:sticky;top:0;z-index:20;border-bottom:1px solid #172536}
.brand{display:flex;flex-direction:column;line-height:1.05;min-width:210px}
.brand strong{font-size:20px}
.brand span{font-size:10px;color:var(--gold);font-weight:800;letter-spacing:.08em;margin-top:6px}
.nav{display:flex;align-items:center;gap:26px;margin-left:auto;font-size:14px}
.nav a{opacity:.9}
.nav a:hover{opacity:1;color:var(--gold)}
.nav-cta,.cta{background:linear-gradient(135deg,var(--gold),#efc968);color:#121212!important;font-weight:800;border-radius:999px;padding:14px 24px;display:inline-flex;align-items:center;gap:16px;box-shadow:0 10px 30px rgba(244,198,79,.12)}
.nav-cta{padding:12px 20px}
.header-social{display:none;align-items:center;gap:7px;margin-left:auto}
.social-link{width:36px;height:36px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:#f4f6f8;background:#0a1622;transition:.2s ease}
.social-link:hover,.social-link:focus-visible{color:var(--gold);border-color:var(--gold);transform:translateY(-1px);outline:none}
.social-link svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.whatsapp-link svg path:first-child{fill:none}
.menu-btn{display:none;margin-left:auto;background:transparent;color:#fff;border:1px solid var(--line);border-radius:10px;padding:7px 10px;font-size:20px}
.hero{min-height:560px;position:relative;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url("assets/hero-house.jpg") center/cover no-repeat;transform:scale(1.02)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,9,16,.96) 0%,rgba(4,11,18,.78) 40%,rgba(4,9,15,.24) 77%,rgba(4,9,15,.36) 100%)}
.hero-content{position:relative;z-index:2;padding:58px 0 72px}
.hero h1{font-size:clamp(44px,6vw,78px);line-height:1.03;letter-spacing:-.035em;margin:0 0 18px;max-width:790px}
.hero h1 span,.section h2 span{color:var(--gold)}
.hero p{font-size:clamp(18px,2vw,24px);margin:0 0 32px;color:#f7f7f7}
.benefits{border-top:1px solid #1a2939;border-bottom:1px solid #1a2939;background:#08131f}
.benefits-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.benefits article{display:flex;gap:18px;padding:28px 22px;border-right:1px solid #1d2b3a}
.benefits article:last-child{border-right:0}
.icon{width:54px;height:54px;border:2px solid var(--gold);color:var(--gold);border-radius:50%;display:grid;place-items:center;font-size:22px;flex:none}
.benefits h3,.steps h3{margin:1px 0 5px;font-size:18px}
.benefits p,.steps p{margin:0;color:var(--muted);font-size:14px}
.section{padding:56px 0}
.panel{background:linear-gradient(180deg,rgba(14,27,41,.94),rgba(8,18,28,.96));border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 55px rgba(0,0,0,.22)}
.offer-panel{padding:40px;display:grid;grid-template-columns:.9fr 1.2fr;gap:44px;align-items:start}
.eyebrow{color:var(--gold);font-weight:800;font-size:12px;letter-spacing:.12em;margin-bottom:14px}
.eyebrow:before{content:"";display:inline-block;width:42px;height:3px;background:var(--gold);vertical-align:middle;margin-right:14px}
.section h2{font-size:clamp(34px,4vw,52px);line-height:1.08;margin:0 0 18px;letter-spacing:-.03em}
.offer-copy p,.about-copy p{color:#d7dde5;font-size:17px}
.customer-choice{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.choice{background:linear-gradient(180deg,#132335,#0d1a28);border:1px solid #34465a;border-radius:14px;color:#fff;padding:28px 20px;cursor:pointer;display:flex;flex-direction:column;align-items:center;text-align:center;min-height:215px;transition:.2s}
.choice:hover{transform:translateY(-3px);border-color:var(--gold)}
.choice-icon{color:var(--gold);font-size:44px;line-height:1;margin-bottom:16px}
.choice strong{font-size:20px}
.choice span{color:var(--muted);font-size:14px;margin:4px 0 18px}
.choice b{width:44px;height:44px;background:var(--gold);color:#111;border-radius:50%;display:grid;place-items:center;font-size:22px}
.lead-form{grid-column:1/-1;border-top:1px solid var(--line);padding-top:28px}
.form-head{display:flex;justify-content:space-between;align-items:center;gap:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label{display:flex;flex-direction:column;gap:7px;color:#e4e8ed;font-size:14px}
input,textarea{background:#08131f;border:1px solid #33465a;border-radius:10px;color:#fff;padding:13px 14px;outline:none}
input:focus,textarea:focus{border-color:var(--gold)}
.full{margin-top:18px}
.check{flex-direction:row;align-items:flex-start;margin:18px 0;gap:10px}
.check input{margin-top:4px}
.submit{border:0;cursor:pointer}
.form-note{color:#8190a0;font-size:12px;max-width:760px}
.success{margin-top:18px;background:#10281b;border:1px solid #2d7047;color:#c9f4d7;padding:14px;border-radius:10px}
.text-btn{background:none;border:0;color:var(--gold);cursor:pointer}
.steps-wrap{display:grid;grid-template-columns:.55fr 1.45fr;gap:60px;align-items:center}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}
.steps article{text-align:center;position:relative}
.num{position:absolute;top:-10px;left:50%;transform:translateX(-50%);margin-left:-24px;background:var(--gold);color:#111;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-weight:800}
.step-icon{width:72px;height:72px;border:1px solid #304257;border-radius:50%;display:grid;place-items:center;margin:0 auto 18px;font-size:32px;color:#d9e6f5}
.about{display:grid;grid-template-columns:.85fr 1.5fr;overflow:hidden}
.portrait-wrap{min-height:420px}
.portrait{width:100%;height:100%;object-fit:cover;display:block}
.about-copy{padding:42px 48px}
.faq-panel{padding:38px;display:grid;grid-template-columns:.55fr 1.45fr;gap:44px}
.faq-list{display:flex;flex-direction:column;gap:10px}
details{border:1px solid #34465a;border-radius:10px;background:#0d1b29}
summary{padding:15px 18px;cursor:pointer;font-weight:600}
details p{padding:0 18px 16px;margin:0;color:var(--muted)}
footer{border-top:1px solid #1b2a39;margin-top:20px;background:#06101a}
.footer-inner{min-height:80px;display:flex;align-items:center;justify-content:space-between;color:#8593a1;font-size:13px}
@media (max-width: 920px){
  .header-social{display:flex}
  .menu-btn{display:block;margin-left:8px}
  .nav{display:none;position:absolute;top:74px;left:0;right:0;background:#06101a;border-bottom:1px solid var(--line);padding:18px 22px;flex-direction:column;align-items:stretch;gap:12px}
  .nav.open{display:flex}
  .nav-cta{text-align:center;justify-content:center}
  .benefits-grid{grid-template-columns:1fr 1fr}
  .benefits article:nth-child(2){border-right:0}
  .benefits article:nth-child(-n+2){border-bottom:1px solid #1d2b3a}
  .offer-panel,.about,.faq-panel,.steps-wrap{grid-template-columns:1fr}
  .about-copy{padding:34px}
  .portrait-wrap{max-height:520px}
}
@media (max-width: 640px){
  .shell{width:min(var(--max),calc(100% - 24px))}
  .topbar{padding:0 12px;height:68px}
  .brand{min-width:0;flex:1}
  .brand strong{font-size:15px;white-space:nowrap}
  .brand span{font-size:8.5px;margin-top:5px}
  .header-social{gap:5px;margin-left:8px}
  .social-link{width:32px;height:32px}
  .social-link svg{width:17px;height:17px}
  .menu-btn{margin-left:6px;padding:5px 8px;font-size:18px}
  .nav{top:68px}
  .hero{min-height:560px}
  .hero-content{padding:48px 0 60px}
  .hero h1{font-size:44px}
  .benefits-grid{grid-template-columns:1fr}
  .benefits article{border-right:0;border-bottom:1px solid #1d2b3a!important}
  .benefits article:last-child{border-bottom:0!important}
  .section{padding:34px 0}
  .offer-panel,.faq-panel{padding:24px}
  .customer-choice,.form-grid,.steps{grid-template-columns:1fr}
  .choice{min-height:185px}
  .steps{gap:42px}
  .steps-title{text-align:left}
  .about-copy{padding:28px 22px}
  .portrait-wrap{min-height:360px}
  .faq-panel{gap:22px}
  .footer-inner{flex-direction:column;justify-content:center;gap:6px;text-align:center}
}

/* Schrittweise Anfrage */
[hidden]{display:none!important}
.wizard{grid-column:1/-1;border-top:1px solid var(--line);padding-top:24px;min-width:0}
.wizard-progress{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));padding:0;gap:8px;margin:0 0 12px}
.wizard-progress li{border-top:3px solid var(--line);padding-top:8px;font-size:14px;color:var(--muted)}
.wizard-progress li.active{border-color:var(--gold);color:var(--gold);font-weight:700}
.wizard-progress li.complete{border-color:#76906d}
.wizard-step h3{font-size:23px;margin:22px 0;outline:none}
.wizard-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.wizard-option{background:#132335;color:var(--text);border:1px solid #34465a;border-radius:12px;padding:22px 18px;font-weight:700;cursor:pointer}
.wizard-option:hover,.wizard-option[aria-pressed="true"]{border-color:var(--gold);background:#213040}
.wizard-option:focus-visible,.text-btn:focus-visible{outline:2px solid var(--gold);outline-offset:4px}
.wizard #backBtn{margin-top:24px;padding:8px 0}
#usageNext{margin-top:20px}
@media(max-width:920px){
  .portrait-wrap{min-height:0;max-height:none}
  .portrait{height:auto;object-fit:contain}
}
@media(max-width:640px){
  .wizard-progress{gap:4px}
  .wizard-progress li{font-size:11px}
  .wizard-step h3{font-size:21px}
  .wizard-options{grid-template-columns:1fr}
}


/* Rechtliches & Formularhinweise */
.legal-link,.footer-links a{color:var(--gold);text-decoration:underline;text-underline-offset:2px}
.footer-links{display:flex;gap:18px;align-items:center}
#jahresverbrauch::placeholder{color:#8997a6;opacity:1}
.legal-main{padding:56px 0 72px}
.legal-panel{padding:38px 42px}
.legal-panel h1{font-size:clamp(36px,5vw,56px);line-height:1.05;margin:0 0 26px}
.legal-panel h2{font-size:24px;margin:32px 0 10px;color:var(--gold)}
.legal-panel h3{font-size:18px;margin:24px 0 8px}
.legal-panel p,.legal-panel li{color:#d7dde5}
.legal-panel ul{padding-left:22px}
.legal-panel a{color:var(--gold);text-decoration:underline;text-underline-offset:2px}
.legal-back{display:inline-flex;margin-top:28px;color:var(--gold);font-weight:700}
@media(max-width:640px){.legal-panel{padding:26px 22px}.footer-links{gap:14px}}