/* Wärmepumpen-Anfrage-Theme: eine Datei, System-Schriften, keine externen Ressourcen.
   Leitfarbe (--primary) und Akzent (--accent) setzt das Theme je Seite inline; die Werte hier sind nur der Rückfall. */
:root{
	--primary:#0f4c5c;--accent:#e8590c;
	--btn:#c9480b;--btn-hover:#a93a07;
	--ink:#14212b;--muted:#4a5a66;--soft:#f4f7f9;--line:#d5dde3;--field:#7b8b97;--err:#b42318;
	--radius:12px;--wrap:1120px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:20px}
body{margin:0;padding-bottom:76px;background:#fff;color:var(--ink);font:400 1.0625rem/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;overflow-wrap:break-word}
img,svg{max-width:100%;height:auto}
a{color:var(--primary);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
h1,h2,h3{line-height:1.2;margin:0 0 .6em;color:var(--ink)}
p{margin:0 0 1em}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--primary);outline-offset:2px}
.hero :focus-visible,.cta-band :focus-visible,.site-footer :focus-visible{outline-color:#fff}
.hero .form-card :focus-visible{outline-color:var(--primary)}
.sr{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-120px;z-index:100;background:#fff;color:var(--ink);padding:10px 14px;border-radius:8px;font-weight:700}
.skip:focus{top:12px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
@media(min-width:700px){.wrap{padding:0 24px}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 20px;border:2px solid var(--btn);border-radius:10px;background:var(--btn);color:#fff;font-weight:700;line-height:1.2;text-align:center;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--btn-hover);border-color:var(--btn-hover);color:#fff}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--soft);color:var(--primary);border-color:var(--primary)}
.btn-block{display:flex;width:100%}
.btn[disabled]{opacity:.65;cursor:progress}

/* Kopf */
.site-header{background:#fff;border-bottom:1px solid var(--line)}
.site-disclosure{background:var(--soft);border-bottom:1px solid var(--line);padding:5px 0;font-size:.85rem;line-height:1.4;color:var(--muted)}
.header-row{display:flex;align-items:center;gap:12px;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;color:var(--primary);font-weight:800;font-size:1.05rem;line-height:1.15;text-decoration:none}
.brand:hover{text-decoration:none}
.logo{flex:none;color:var(--primary)}
.header-phone{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:44px;min-height:44px;margin-left:auto;color:var(--ink);font-weight:700;text-decoration:none;border-radius:10px}
.header-phone span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.header-phone .icon{color:var(--primary)}
.btn-header{display:none;min-height:44px;padding:8px 16px}
.main-nav{background:var(--soft);border-top:1px solid var(--line)}
.main-nav ul{display:flex;gap:4px;margin:0;padding:0;list-style:none;overflow-x:auto;-webkit-overflow-scrolling:touch}
.main-nav a{display:flex;align-items:center;min-height:44px;padding:0 12px;color:var(--ink);font-weight:600;font-size:.95rem;white-space:nowrap;text-decoration:none}
.main-nav a:hover{color:var(--primary);text-decoration:underline}
.main-nav a:focus-visible{outline-offset:-3px}
.main-nav a[aria-current="page"]{color:var(--primary);box-shadow:inset 0 -3px 0 var(--accent)}
@media(min-width:640px){
	.brand{font-size:1.2rem}
	.header-phone{padding:0 12px}
	.header-phone span{position:static;width:auto;height:auto;overflow:visible;clip:auto}
}
@media(min-width:760px){
	.btn-header{display:inline-flex}
	.header-phone{margin-left:auto}
	body{padding-bottom:0}
}
@media(max-width:759px){.phone-pre{display:none}}
@media(min-width:760px){.main-nav ul{overflow:visible;flex-wrap:wrap}}

/* Seitenkopf */
.page-head{background:var(--soft);border-bottom:1px solid var(--line);padding:20px 0 24px}
.page-head h1{font-size:clamp(1.7rem,4.6vw,2.5rem);font-weight:800;letter-spacing:-.01em;max-width:860px;margin-bottom:.45em}
.lead{font-size:1.15rem;line-height:1.55;max-width:760px}
.meta{margin:0;font-size:.9rem;color:var(--muted)}
.crumbs ol{display:flex;flex-wrap:wrap;margin:0 0 12px;padding:0;list-style:none;font-size:.9rem;color:var(--muted)}
.crumbs li+li::before{content:"\203A";margin:0 .55em;color:var(--muted)}
.crumbs a{display:inline-block;padding:5px 0;margin:-5px 0;color:var(--muted)}

/* Startseite: Kopf mit Formular */
.hero{background:var(--primary);color:#fff;padding:26px 0 34px}
.hero-grid{display:grid;gap:22px;grid-template-areas:"copy" "form" "points"}
.hero-copy{grid-area:copy}
.hero-points{grid-area:points}
.hero-form{grid-area:form}
.hero h1{color:#fff;font-size:clamp(1.85rem,5.4vw,3rem);font-weight:800;letter-spacing:-.015em;line-height:1.1;margin-bottom:.5em}
.hero .lead{max-width:none;color:#fff}
.hero .meta{color:#dbe7ec}
.hero-points{margin:0;padding:0;list-style:none;display:grid;gap:10px;align-content:start}
.hero-points li{position:relative;padding-left:34px;font-weight:600;line-height:1.4}
.hero-points li::before{content:"";position:absolute;left:0;top:.1em;width:22px;height:22px;border-radius:50%;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%2314212b' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}
@media(min-width:900px){
	.hero{padding:44px 0 52px}
	.hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);grid-template-areas:"copy form" "points form";grid-template-rows:auto 1fr;gap:26px 52px;align-items:start}
}
.trust{background:var(--soft);border-bottom:1px solid var(--line)}
.trust ul{display:flex;flex-wrap:wrap;gap:6px 26px;margin:0;padding:12px 0;list-style:none;font-size:.95rem;font-weight:600}
.trust li{position:relative;padding-left:20px}
.trust li::before{content:"";position:absolute;left:0;top:.45em;width:9px;height:9px;border-radius:50%;background:var(--accent)}

/* Inhalt */
.layout{display:grid;gap:32px;padding-top:30px;padding-bottom:40px}
.layout--single .prose{width:100%;max-width:760px;margin:0 auto}
.side{display:none}
@media(min-width:1000px){
	.layout--aside{grid-template-columns:minmax(0,1fr) 320px;gap:52px}
	.side{display:block}
	.side-card{position:sticky;top:20px}
}
.side-card{border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:var(--radius);padding:18px;background:#fff;box-shadow:0 6px 20px rgba(20,33,43,.07)}
.side-title{font-size:1.2rem;font-weight:800;margin:0 0 .3em}
.side-phone{margin:0 0 1em;font-size:.95rem}
.side-points{margin:0;padding:12px 0 0;list-style:none;border-top:1px solid var(--line);font-size:.92rem;color:var(--muted)}
.side-points li{padding:3px 0}
.prose{min-width:0;max-width:760px}
.prose h2{font-size:clamp(1.35rem,3.4vw,1.75rem);font-weight:800;margin:2em 0 .55em;letter-spacing:-.005em}
.prose>h2:first-child{margin-top:0}
.prose h3{font-size:1.18rem;font-weight:700;margin:1.6em 0 .4em}
.prose ul,.prose ol{margin:0 0 1.1em;padding-left:1.35em}
.prose li{margin:0 0 .4em;padding-left:.2em}
.prose li>ul,.prose li>ol{margin-top:.4em;margin-bottom:0}
.prose a{font-weight:600}
.prose strong{font-weight:700}
.table-wrap{overflow-x:auto;margin:1.3em 0;border:1px solid var(--line);border-radius:10px;background:#fff}
.table-wrap table{width:100%;min-width:460px;border-collapse:collapse;font-size:.95rem;line-height:1.45}
.table-wrap th,.table-wrap td{padding:10px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.table-wrap thead th{background:var(--soft);font-weight:700}
.table-wrap tbody th{font-weight:700}
.table-wrap tbody tr:last-child>*{border-bottom:0}
.callout,.toc{margin:1.3em 0;padding:14px 18px;border-left:4px solid var(--primary);border-radius:0 10px 10px 0;background:var(--soft)}
.callout>:last-child,.toc>:last-child{margin-bottom:0}
.callout.warn{border-left-color:var(--accent);background:#fff4ec}
.facts{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));margin:1.3em 0}
.fact{padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.fact strong{display:block;margin-bottom:.15em;font-size:1.55rem;line-height:1.15;color:var(--primary)}
.fact span{display:block;font-size:.92rem;color:var(--muted);line-height:1.4}
ol.steps{margin:1.3em 0;padding:0;list-style:none;counter-reset:step}
ol.steps>li{position:relative;margin:0;padding:0 0 18px 54px;counter-increment:step;min-height:40px}
ol.steps>li::before{content:counter(step);position:absolute;left:0;top:0;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;font-weight:800}
.toc-box{margin:0 0 28px;padding:14px 18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--soft)}
.toc-title{margin:0 0 6px;font-weight:800}
.toc-box ol{margin:0;padding-left:1.25em}
.toc-box li{margin:0;padding:3px 0}
@media(min-width:700px){.toc-box ol{columns:2;column-gap:32px}.toc-box li{break-inside:avoid}}
.prose details{margin:0;border-bottom:1px solid var(--line)}
.faq{margin-top:2.2em}
.faq h2{margin-top:0}
.faq details:first-of-type{border-top:1px solid var(--line)}
.faq summary{position:relative;display:block;min-height:44px;padding:12px 40px 12px 0;font-weight:700;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:8px;font-size:1.6rem;line-height:1.2;color:var(--primary);font-weight:400}
.faq details[open] summary::after{content:"\2212"}
.faq details p{margin:0 0 14px;max-width:70ch}
.sources{margin-top:2.2em;padding-top:1.2em;border-top:1px solid var(--line);font-size:.95rem}
.sources h2{font-size:1.2rem;margin:0 0 .4em}
.sources-note{margin:0 0 .6em;color:var(--muted)}
.sources ol{margin:0;padding-left:1.3em}
.sources li{margin-bottom:.35em;overflow-wrap:anywhere}
.related{padding:34px 0;background:#fff;border-top:1px solid var(--line)}
.related h2{font-size:1.35rem;margin-bottom:.8em}
.cards{display:grid;gap:14px;margin:0;padding:0;list-style:none;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.card{display:flex;flex-direction:column;gap:6px;height:100%;padding:16px;border:1px solid var(--line);border-radius:var(--radius);color:var(--ink);text-decoration:none;background:#fff}
.card:hover{border-color:var(--primary);box-shadow:0 6px 18px rgba(20,33,43,.09)}
.card strong{color:var(--primary);font-size:1.05rem;line-height:1.3}
.card span{font-size:.92rem;color:var(--muted);line-height:1.45}
.card em{margin-top:auto;font-style:normal;font-weight:700;font-size:.9rem;color:var(--primary)}

/* Anfrage */
.cta-section{padding:38px 0 46px;background:var(--soft);border-top:1px solid var(--line)}
.cta-section .form-card{max-width:760px;margin:0 auto}
.form-card{padding:20px 18px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--ink);box-shadow:0 10px 30px rgba(20,33,43,.12)}
.form-card h2{font-size:1.4rem;font-weight:800;margin-bottom:.3em}
.form-intro{font-size:.97rem;color:var(--muted)}
.req-note{margin:0 0 12px;font-size:.88rem;color:var(--muted)}
.field{margin:0 0 14px;min-width:0}
.field label,.field legend{display:block;margin:0 0 5px;font-weight:700;font-size:.95rem;line-height:1.35}
.field input:not([type=checkbox]):not([type=radio]),.field select,.field textarea{display:block;width:100%;min-height:48px;padding:10px 12px;border:1px solid var(--field);border-radius:8px;background:#fff;font-size:1rem;line-height:1.35}
.field textarea{min-height:92px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);outline:3px solid var(--primary);outline-offset:0}
.field [aria-invalid="true"]{border:2px solid var(--err)}
fieldset.field{padding:0;border:0}
.row{display:grid;gap:0 14px}
@media(min-width:560px){.row{grid-template-columns:1fr 1fr}}
.field-error{margin:6px 0 0;font-size:.9rem;font-weight:600;color:var(--err)}
.field-error[hidden]{display:none}
.consent{display:grid;grid-template-columns:26px 1fr;gap:4px 10px;align-items:start}
.consent input{width:24px;height:24px;margin:2px 0 0;accent-color:var(--primary)}
.consent label{margin:0;font-weight:400;font-size:.92rem}
.consent .field-error{grid-column:2}
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.form-status{min-height:0;margin:0 0 10px;font-weight:600}
.form-status:empty{margin:0}
.form-status.error{color:var(--err)}
.form-note{margin:12px 0 0;font-size:.88rem;color:var(--muted);line-height:1.5}
.cta-band{padding:38px 0;background:var(--primary);color:#fff;text-align:center}
.cta-band h2{color:#fff}
.cta-band a:not(.btn){color:#fff;font-weight:700}
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:50;display:flex;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(20,33,43,.12)}
.sticky-bar .btn{flex:1;min-height:48px}
.sticky-bar.is-hidden{display:none}
@media(min-width:760px){.sticky-bar{display:none}}

/* Rechner */
.calc{margin:1.6em 0;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--soft)}
.calc h2{margin-top:0!important}
.calc .radio{display:flex;align-items:center;gap:10px;min-height:44px;margin:0;font-weight:400}
.calc .radio input{width:22px;height:22px;accent-color:var(--primary)}
.calc-result{margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.calc-result:focus{outline:none}
.calc-result:focus-visible{outline:3px solid var(--primary);outline-offset:4px}
.calc-badge{display:inline-block;margin:0 0 12px;padding:4px 12px;border:1px solid var(--accent);border-radius:999px;background:#fff4ec;font-weight:800;font-size:.9rem}
.calc-result p{font-size:.95rem}
.calc-warn{padding:10px 14px;border-left:4px solid var(--accent);border-radius:0 8px 8px 0;background:#fff4ec}
.calc-stand{font-size:.9rem;color:var(--muted)}

/* Fuss */
.site-footer{background:#14212b;color:#e8eef2;padding:38px 0 26px;font-size:.95rem}
.site-footer a{color:#fff}
.site-footer .brand{color:#fff}
.site-footer .logo{color:#fff}
.site-footer .logo path{stroke:#14212b}
.footer-grid{display:grid;gap:26px}
@media(min-width:700px){.footer-grid{grid-template-columns:1.3fr 1fr 1fr 1fr}}
@media(min-width:900px){.footer-grid:has(.footer-col:nth-child(5)){grid-template-columns:1.2fr repeat(4,1fr)}}
.footer-brand p{margin:.7em 0 0;color:#c9d5dc;max-width:34ch}
.footer-title{margin:0 0 .5em;font-weight:800;color:#fff}
.footer-col ul{margin:0;padding:0;list-style:none}
.footer-col li{padding:3px 0}
.footer-col a{display:inline-block;padding:3px 0}
.footer-col address{font-style:normal;line-height:1.7}
.footer-bottom{display:flex;flex-wrap:wrap;gap:6px 24px;margin-top:28px;padding-top:18px;border-top:1px solid #34475a;font-size:.88rem;color:#c9d5dc}
.footer-bottom p{margin:0}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.site-header .btn,.sticky-bar,.side,.cta-section,.cta-band,.hero-form,.main-nav{display:none!important}.hero{background:#fff;color:#000}.hero h1,.hero .lead{color:#000}body{padding:0}}