:root{
  --orange:#f7931e; --orange-dark:#dd7f0b; --orange-light:#ffbc6c;
  --blue:#111154; --blue-mid:#1c1c78; --teal:#00a99d;
  --grey:#999999; --grey-light:#e9e9ef; --bg:#f5f6fa;
  --text:#22224a; --muted:#5f5f7c; --red:#c1272d; --white:#ffffff;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:"Open Sans","Segoe UI",system-ui,sans-serif;font-weight:300;color:var(--text);line-height:1.65;background:var(--white);font-size:16px;}
h1,h2,h3,h4{font-weight:600;color:var(--blue);line-height:1.25;}
h2{font-size:clamp(24px,3.2vw,32px);margin-bottom:18px;}
h3{font-size:19px;margin-bottom:8px;}
p{margin-bottom:14px;}
a{color:var(--orange-dark);}
img,svg{max-width:100%;}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px;}

/* Header */
.site-header{background:var(--blue);position:sticky;top:0;z-index:100;box-shadow:0 2px 10px rgba(17,17,84,.25);}
.header-inner{display:flex;align-items:center;gap:18px;padding:10px 22px;}
.logo-link{display:block;flex-shrink:0;}
.logo-svg{height:48px;width:auto;display:block;}
.logo-img{height:52px;width:auto;display:block;}
.header-phone{margin-left:auto;color:#fff;text-decoration:none;font-weight:600;font-size:15px;white-space:nowrap;}
.header-phone:hover{color:var(--orange-light);}
.main-nav{display:flex;align-items:center;gap:2px;}
.main-nav a,.nav-drop>button{color:#dcdcf2;text-decoration:none;font-size:14.5px;font-weight:600;padding:10px 13px;border-radius:8px;background:none;border:none;font-family:inherit;cursor:pointer;display:block;}
.main-nav a:hover,.nav-drop>button:hover{color:#fff;background:rgba(255,255,255,.09);}
.main-nav a.active,.nav-drop.active>button{color:var(--orange-light);}
.main-nav a.nav-cta{background:var(--orange);color:#fff;margin-left:6px;}
.main-nav a.nav-cta:hover{background:var(--orange-dark);}
.nav-drop{position:relative;}
.caret{font-size:10px;}
.drop-menu{display:none;position:absolute;top:100%;left:0;background:#fff;border-radius:0 0 12px 12px;box-shadow:0 10px 26px rgba(17,17,84,.22);min-width:230px;padding:8px;}
.nav-drop:hover .drop-menu{display:block;}
.drop-menu a{color:var(--blue);padding:9px 12px;border-radius:8px;font-weight:400;}
.drop-menu a:hover{background:var(--bg);color:var(--blue);}
.drop-menu a.sub-active{color:var(--orange-dark);font-weight:600;}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px;margin-left:auto;}
.burger span{display:block;width:26px;height:3px;background:#fff;margin:5px 0;border-radius:2px;}

/* Hero */
.hero{background:linear-gradient(120deg,var(--blue) 0%,var(--blue-mid) 100%);color:#fff;padding:64px 0 56px;position:relative;overflow:hidden;}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border:3px solid rgba(247,147,30,.35);border-radius:50%;}
.hero::before{content:"";position:absolute;right:20px;top:30px;width:280px;height:280px;border:2px solid rgba(0,169,157,.25);border-radius:50%;}
.hero h1{color:#fff;font-size:clamp(30px,4.6vw,48px);margin-bottom:16px;max-width:820px;}
.hero p.sub{color:#dcdcf2;font-size:clamp(16px,1.9vw,19px);max-width:760px;margin-bottom:26px;}
.hero .wrap{position:relative;z-index:2;}
.btns{display:flex;gap:12px;flex-wrap:wrap;}
.btn{display:inline-block;padding:13px 26px;border-radius:10px;font-weight:600;font-size:15px;text-decoration:none;transition:.15s;}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-dark);}
.btn-ghost{border:2px solid var(--blue);color:var(--blue);}
.btn-ghost:hover{background:var(--blue);color:#fff;}
.btn-light{background:#fff;color:var(--blue);}
.btn-light:hover{background:var(--orange-light);}
.btn-ghost-light{border:2px solid #fff;color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.15);}
.hero-page{padding:52px 0 44px;}
.hero-page .kicker{color:var(--orange-light);font-weight:600;font-size:13.5px;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px;}

/* Oranger Split-Hero (Startseite) */
.hero-orange{background:linear-gradient(120deg,#f7931e 0%,#f8a53f 55%,#ffbc6c 100%);color:var(--blue);padding:56px 0 60px;position:relative;overflow:hidden;}
.hero-orange::after{content:"";position:absolute;right:-140px;bottom:-160px;width:420px;height:420px;border:3px solid rgba(255,255,255,.35);border-radius:50%;}
.hero-orange::before{content:"";position:absolute;left:-90px;top:-90px;width:260px;height:260px;border:2px solid rgba(17,17,84,.14);border-radius:50%;}
.hero-orange .wrap{position:relative;z-index:2;}
.hero-split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.hero-orange h1{color:var(--blue);font-size:clamp(30px,4.6vw,50px);margin-bottom:16px;}
.hero-orange p.sub{color:#3a2a08;font-size:clamp(16px,1.9vw,19px);margin-bottom:26px;max-width:560px;font-weight:400;}
.hero-orange .btn-primary{background:var(--blue);color:#fff;}
.hero-orange .btn-primary:hover{background:#1c1c78;}
.hero-orange .btn-ghost{border:2px solid var(--blue);color:var(--blue);background:transparent;}
.hero-orange .btn-ghost:hover{background:var(--blue);color:#fff;}
.hero-photo{border-radius:20px;overflow:hidden;box-shadow:0 16px 40px rgba(17,17,84,.28);border:6px solid #fff;line-height:0;}
.hero-photo img{width:100%;height:100%;object-fit:cover;display:block;}
.hero-orange .kicker{color:var(--blue)!important;font-weight:600;font-size:13.5px;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px;}
/* Einheitlicher Unterseiten-Hero */
.hero-sub{padding:46px 0 50px;}
.hero-sub h1{margin-bottom:14px;}
.hero-sub .hero-photo img{height:330px;}
.hero-sub.hero-nophoto .hero-photo{display:none;}
.hero-sub.hero-nophoto{padding:46px 0 40px;}
@media(max-width:860px){
  .hero-split{grid-template-columns:1fr;gap:26px;}
  .hero-orange{padding:40px 0 44px;}
  .hero-sub .hero-photo img{height:220px;}
}

/* USP-Band */
.usp-band{background:var(--bg);padding:26px 0;}
.usp-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;}
.usp{background:#fff;border-radius:14px;padding:18px 20px;box-shadow:0 1px 4px rgba(17,17,84,.08);border-top:4px solid var(--orange);}
.usp b{display:block;font-weight:600;color:var(--blue);margin-bottom:4px;font-size:15px;}
.usp p{font-size:13.5px;margin:0;color:var(--muted);}

/* Sections */
.section{padding:56px 0;}
.section.alt{background:var(--bg);}
.section .intro{max-width:800px;color:var(--muted);font-size:16.5px;margin-bottom:30px;}
.multimo-box{display:grid;grid-template-columns:180px 1fr;gap:30px;align-items:center;background:linear-gradient(120deg,#fff7ee,#fff);border:2px solid var(--orange);border-radius:18px;padding:30px 32px;box-shadow:0 4px 16px rgba(247,147,30,.14);}
.multimo-box .mm-icon img{width:100%;max-width:180px;display:block;}
.multimo-box .mm-badge{display:inline-block;background:var(--orange);color:#fff;font-size:11.5px;font-weight:600;padding:4px 12px;border-radius:20px;letter-spacing:.4px;margin-bottom:10px;text-transform:uppercase;}
.multimo-box h2{margin-bottom:10px;}
@media(max-width:640px){.multimo-box{grid-template-columns:1fr;gap:14px;}.multimo-box .mm-icon{text-align:center;}}
.partner-badge{display:flex;align-items:center;justify-content:center;background:var(--bg);border-radius:16px;padding:40px 20px;box-shadow:0 2px 8px rgba(17,17,84,.09);}
.partner-badge .pb-inner{text-align:center;}
.partner-badge .pb-label{display:block;font-size:12.5px;color:var(--muted);letter-spacing:.5px;text-transform:uppercase;margin-bottom:8px;}
.partner-badge .pb-logo{display:block;max-width:210px;width:80%;height:auto;margin:6px auto 0;}
.partner-badge .pb-logo + .pb-sub{margin-top:14px;position:relative;padding-top:14px;}
.partner-badge .pb-logo + .pb-sub::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:56px;height:4px;background:#006090;border-radius:2px;}
.partner-badge .pb-sub{display:block;font-size:13.5px;color:var(--muted);margin-top:10px;}
.leistungs-banner{position:relative;border-radius:16px;overflow:hidden;margin:0 0 26px;box-shadow:0 4px 16px rgba(17,17,84,.16);line-height:0;}
.leistungs-banner img{width:100%;height:230px;object-fit:cover;display:block;}
.leistungs-banner .lb-claim{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(90deg,rgba(17,17,84,.55),rgba(17,17,84,.18) 40%,rgba(17,17,84,.18) 60%,rgba(17,17,84,.55));}
.leistungs-banner .lb-claim span{color:#fff;font-weight:600;font-size:clamp(22px,3.4vw,36px);letter-spacing:.5px;text-shadow:0 2px 14px rgba(17,17,84,.6);border-bottom:4px solid var(--orange);padding-bottom:8px;line-height:1.2;}
@media(max-width:640px){.leistungs-banner img{height:170px;}}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px;}
.cards.three{grid-template-columns:repeat(auto-fit,minmax(270px,1fr));}
.card{background:#fff;border-radius:16px;padding:24px 26px;box-shadow:0 2px 8px rgba(17,17,84,.09);border-top:4px solid var(--orange);display:flex;flex-direction:column;}
.card.teal{border-top-color:var(--teal);}
.card.blue{border-top-color:var(--blue);}
.card h3{margin-bottom:8px;}
.card p{font-size:14.5px;color:var(--text);margin-bottom:10px;}
.card .more{margin-top:auto;font-weight:600;font-size:14px;color:var(--orange-dark);text-decoration:none;}
.card .more:hover{text-decoration:underline;}
.card-icon{width:52px;height:52px;margin-bottom:12px;}
ul.checks{list-style:none;margin:0 0 14px;}
ul.checks li{padding-left:30px;position:relative;margin-bottom:10px;font-size:15px;}
ul.checks li::before{content:"✓";position:absolute;left:0;top:0;width:22px;height:22px;border-radius:50%;background:var(--orange);color:#fff;font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center;}
ul.checks li b{font-weight:600;color:var(--blue);}

/* Pflicht-Box */
.pflicht{background:#fff;border:2px solid var(--orange);border-radius:16px;padding:24px 28px;margin:10px 0 6px;}
.pflicht .tag{display:inline-block;background:var(--orange);color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:20px;margin-bottom:10px;letter-spacing:.4px;}
.pflicht b.frist{color:var(--red);font-weight:600;}
.lawnote{background:#eefaf8;border-left:4px solid var(--teal);border-radius:10px;padding:14px 18px;font-size:14px;color:#0a5c54;margin:16px 0 0;}

/* Fristen-Banner */
.frist-banner{background:linear-gradient(90deg,var(--orange),var(--orange-dark));color:#fff;padding:34px 0;}
.frist-banner h2{color:#fff;margin-bottom:8px;}
.frist-banner p{color:#fff7ec;max-width:820px;margin-bottom:16px;}
.frist-banner .btn{background:#fff;color:var(--orange-dark);}

/* Test-Banner (türkis, Digitaler Heizraum) */
.test-banner{background:linear-gradient(90deg,var(--teal),#08897f);color:#fff;padding:34px 0;}
.test-banner h2{color:#fff;margin-bottom:8px;}
.test-banner p{color:#e6fbf8;max-width:820px;margin-bottom:16px;}
.test-banner .btn{background:#fff;color:#08897f;}

/* Zahlenband */
.zahlen{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;text-align:center;}
.zahl{background:#fff;border-radius:16px;padding:26px 18px;box-shadow:0 2px 8px rgba(17,17,84,.09);}
.zahl .n{font-size:clamp(28px,3.4vw,40px);font-weight:600;color:var(--orange);line-height:1.1;}
.zahl .n-pre{display:block;font-size:15px;font-weight:400;color:var(--text);line-height:1.2;margin-bottom:1px;}
.zahl .l{font-size:13.5px;color:var(--muted);margin-top:6px;}
.zahlen.on-blue .zahl{background:rgba(255,255,255,.08);}
.zahlen.on-blue .zahl .l{color:#c9c9e8;}

/* Prozess */
.steps{counter-reset:s;display:grid;gap:12px;}
.step{background:#fff;border-radius:14px;padding:18px 22px 18px 66px;box-shadow:0 1px 5px rgba(17,17,84,.08);position:relative;font-size:15px;}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:18px;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;background:var(--orange);color:#fff;font-weight:600;display:flex;align-items:center;justify-content:center;}
.step b{color:var(--blue);font-weight:600;}

/* Feature-Grid (Über uns) */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:8px;}
.feature{background:#fff;border-radius:14px;padding:24px 22px;box-shadow:0 2px 8px rgba(17,17,84,.08);text-align:center;border-top:4px solid var(--orange);}
.feature svg{width:48px;height:48px;margin-bottom:10px;}
.feature h3{margin-bottom:6px;font-size:17px;}
.feature p{font-size:13.5px;color:var(--muted);margin:0;}

/* Datei-Upload */
input[type=file]{padding:8px 10px;font-size:13.5px;cursor:pointer;}
input[type=file]::file-selector-button{border:none;background:var(--orange);color:#fff;font-weight:600;padding:8px 15px;border-radius:8px;margin-right:12px;cursor:pointer;font-family:inherit;}
input[type=file]::file-selector-button:hover{background:var(--orange-dark);}

/* FAQ */
.faq-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.faq-head svg{width:34px;height:34px;flex-shrink:0;}
.faq-head h2{margin:0;}
.faqs{max-width:860px;}
.faqs details{background:#fff;border-radius:12px;box-shadow:0 1px 4px rgba(17,17,84,.08);margin-bottom:10px;overflow:hidden;border:1px solid var(--grey-light);}
.faqs summary{cursor:pointer;padding:16px 20px;font-weight:600;color:var(--blue);font-size:15.5px;list-style:none;position:relative;padding-right:44px;}
.faqs summary::-webkit-details-marker{display:none;}
.faqs summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--orange);font-weight:600;}
.faqs details[open] summary::after{content:"–";}
.faq-a{padding:0 20px 16px;font-size:14.5px;color:var(--text);}

/* Tabellen */
table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 1px 5px rgba(17,17,84,.09);font-size:14px;margin:14px 0;}
th{background:var(--blue);color:#fff;text-align:left;padding:12px 15px;font-weight:600;}
td{padding:11px 15px;border-bottom:1px solid var(--grey-light);vertical-align:top;}
tr:last-child td{border-bottom:none;}
td b{color:var(--red);font-weight:600;}

/* CTA-Band */
.cta-band{background:linear-gradient(120deg,var(--blue),var(--blue-mid));color:#fff;padding:52px 0;text-align:center;}
.cta-band h2{color:#fff;}
.cta-band p{color:#dcdcf2;max-width:640px;margin:0 auto 22px;}
.cta-band .btns{justify-content:center;}

/* Bilder */
.ph-img{border-radius:16px;overflow:hidden;box-shadow:0 4px 16px rgba(17,17,84,.15);display:block;line-height:0;}
.two-col{display:grid;grid-template-columns:1.1fr 1fr;gap:38px;align-items:center;}
.two-col.rev{grid-template-columns:1fr 1.1fr;}

/* Formular */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:760px;}
.form-grid .full{grid-column:1/-1;}
label{font-weight:600;font-size:13.5px;color:var(--blue);display:block;margin-bottom:5px;}
input,select,textarea{width:100%;padding:12px 14px;border:1.5px solid var(--grey-light);border-radius:10px;font-family:inherit;font-size:15px;background:#fff;}
input:focus,select:focus,textarea:focus{outline:2px solid var(--orange-light);border-color:var(--orange);}
.check-inline{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;}
.check-inline input{width:auto;margin-top:3px;}

/* Footer */
.site-footer{background:var(--blue);color:#c9c9e8;padding:46px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:26px;padding-bottom:30px;}
.site-footer h4{color:#fff;margin-bottom:10px;font-size:15px;}
.site-footer a{color:#c9c9e8;text-decoration:none;line-height:1.9;}
.site-footer a:hover{color:var(--orange-light);}
.footer-note{font-size:12.5px;color:#8f8fb8;margin-top:10px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 22px;text-align:center;font-size:12.5px;color:#8f8fb8;}

/* Ratgeber */
.artikel{max-width:800px;}
.artikel h2{margin-top:34px;}
.artikel h3{margin-top:24px;}
.kurz{background:var(--bg);border-left:5px solid var(--orange);border-radius:12px;padding:18px 22px;margin-bottom:22px;font-size:16px;}
.kurz b{color:var(--blue);}

.badge-neu{display:inline-block;background:var(--teal);color:#fff;font-size:11.5px;font-weight:600;padding:3px 10px;border-radius:20px;vertical-align:middle;margin-left:8px;}
.hinweis-mieter{background:var(--bg);border-radius:14px;padding:18px 22px;margin-top:24px;font-size:14.5px;}

@media(max-width:920px){
  .two-col,.two-col.rev{grid-template-columns:1fr;}
  .burger{display:block;}
  .header-phone{display:none;}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--blue-mid);flex-direction:column;align-items:stretch;padding:10px 14px 16px;gap:2px;box-shadow:0 14px 24px rgba(17,17,84,.3);}
  .main-nav.open{display:flex;}
  .drop-menu{position:static;box-shadow:none;background:rgba(255,255,255,.06);border-radius:10px;}
  .drop-menu a{color:#dcdcf2;}
  .drop-menu a:hover{background:rgba(255,255,255,.1);color:#fff;}
  .nav-drop:hover .drop-menu{display:none;}
  .nav-drop.open .drop-menu{display:block;}
  .form-grid{grid-template-columns:1fr;}
}

.cta-band .cta-trust{opacity:.85;font-size:.92rem;letter-spacing:.02em;margin-top:.4rem}