:root{--primary:#768F80;--dark:#4A6155;--paper-2:#F0F4F1;--ink:#333;--paper:#fff;--ink-soft:#59665e;--line:#DDE5E0;--on-dark-soft:#DCE4DE}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;font-size:19px;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 32px}.col{max-width:720px}
h1,h2,h3{line-height:1.15}h2{font-size:clamp(30px,3.4vw,44px);font-weight:300;color:var(--dark);margin-bottom:20px}h3{font-size:21px;font-weight:600;color:var(--dark);margin-bottom:10px}p{margin-bottom:18px}
.lead{font-size:21px;color:var(--ink-soft);max-width:60ch}.center{text-align:center}a{color:inherit}a.inline{color:var(--dark);text-underline-offset:4px;font-weight:600;font-size:17px}
.sec-label{font-size:15px;font-weight:600;color:var(--ink-soft);margin-bottom:12px}
section{padding:88px 0}.band{background:var(--paper-2)}.dark{background:var(--dark);color:#fff}.dark h2,.dark h3{color:#fff}.dark p{color:var(--on-dark-soft)}
.top{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}.top .wrap{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px}.brand{text-decoration:none;line-height:1.15}.brand strong{display:block;font-size:21px;font-weight:600;color:var(--dark)}.brand small{font-size:13px;color:var(--ink-soft)}.nav{display:flex;align-items:center;gap:24px;font-size:16px}.nav a{text-decoration:none;color:var(--ink-soft)}.tel-btn{background:var(--dark);color:#fff!important;padding:10px 18px;border-radius:3px;white-space:nowrap;font-weight:600}
.btn{display:inline-block;padding:15px 26px;border:1px solid var(--dark);border-radius:999px;text-decoration:none;font-size:17px;font-weight:600;text-align:center;transition:background .15s}.btn-primary{background:var(--dark);color:#fff}.btn-primary:hover{background:#3b5045}.btn-light{background:#fff;color:var(--dark);border-color:#fff}.btn-light:hover{background:var(--paper-2)}
.skip{position:absolute;left:16px;top:-100px;background:#fff;padding:10px;z-index:100}.skip:focus{top:12px}:focus-visible{outline:3px solid var(--dark);outline-offset:5px}.dark :focus-visible,footer :focus-visible{outline-color:#fff}
#dietz-roof-three{color-scheme:light;background:#fff;color:#333}
.hero-gains{list-style:none;display:grid;gap:10px;margin:4px 0 30px}
.hero-gains li{position:relative;padding-left:30px;font-size:20px;color:var(--dark);line-height:1.4}
.hero-gains li:before{content:"";position:absolute;left:3px;top:8px;width:13px;height:7px;border-left:2.5px solid var(--primary);border-bottom:2.5px solid var(--primary);transform:rotate(-45deg)}
.hero-split{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;max-width:1120px;margin:0 auto;gap:0}
.de-photo{background:#e1e9e3;min-height:520px;padding:24px;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--dark);margin:0;overflow:hidden}
.de-photo img{width:100%;height:100%;object-fit:cover;display:block}
.callnote{font-size:16px;color:var(--ink-soft);margin:14px 0 0}.callnote a{color:var(--dark);font-weight:600;text-underline-offset:4px}
@media(max-width:900px){.hero-split{grid-template-columns:1fr}.de-photo{min-height:300px;order:-1}}.de-photo figcaption{font-size:16px}.de-photo small{display:block;font-size:13px}
.de-main{padding:56px 48px 56px 32px}.de-kicker{font-size:15px;color:var(--dark);margin-bottom:24px}.de-heading{margin-bottom:28px;color:var(--dark);font-weight:300}.de-heading span{color:var(--dark);-webkit-text-fill-color:var(--dark)}.de-claim{display:block;font-weight:300;font-size:clamp(36px,5.4vw,68px);line-height:1.08;letter-spacing:-.03em;color:var(--dark);max-width:16ch}.de-seo{display:block;font-size:19px;font-weight:600;color:var(--ink-soft);letter-spacing:0;margin-top:20px;line-height:1.4}.de-copy{font-size:21px;max-width:59ch;margin-bottom:28px}.de-copy,.de-copy p{color:#333;-webkit-text-fill-color:#333}.de-copy p{margin-bottom:12px}.de-primary{display:inline-flex;gap:20px;align-items:center;justify-content:center;min-height:51px;padding:14px 25px;border-radius:999px;background:var(--dark);color:#fff;text-decoration:none;font-size:17px;font-weight:600}.de-primary:hover{background:#3b5045}.de-hint{color:var(--ink-soft);font-size:14px;margin:12px 0}.de-secondary{display:block;width:fit-content;padding:8px 0;min-height:44px;color:var(--dark);font-size:16px;text-underline-offset:5px}
.assessment-section{padding:30px 0 0}.assessment-bubble{background:var(--dark);border-radius:34px;padding:52px;display:grid;grid-template-columns:.9fr 1.1fr;gap:30px 48px}.assessment-bubble>div>h2{color:#fff;max-width:17ch}.assessment-bubble>div>p{color:#fff}.assessment-signs{list-style:none;display:grid;gap:13px}.assessment-signs li{display:grid;grid-template-columns:32px 1fr;gap:16px;background:#fff;border-radius:16px;padding:22px}.assessment-signs li>span{font-size:14px;color:var(--dark);background:var(--paper-2);border-radius:50%;height:30px;display:flex;align-items:center;justify-content:center}.assessment-signs h3{font-size:21px}.assessment-signs p{font-size:17px;margin:0;color:var(--ink-soft)}.repair-note{grid-column:1/-1;border-top:1px solid #c1d0c7;padding-top:25px}.repair-note h3{color:#fff}.repair-note p{margin-bottom:10px;font-size:18px}.repair-note a{color:#fff;font-weight:600;font-size:17px;text-underline-offset:5px}.assessment-bubble :focus-visible{outline-color:#fff}
.reference-heading{max-width:720px;margin-bottom:30px}.project-photo{aspect-ratio:1.55;background:var(--paper-2);display:flex;align-items:center;justify-content:center;padding:25px;border-radius:26px;color:var(--dark);text-align:center}.project-photo span{font-size:21px}.project-photo small{display:block;font-size:14px;margin-top:7px}
.wave{display:block;width:100%;height:64px}.wave.to-pale{background:#fff}.wave.to-pale path{fill:var(--paper-2)}.wave.to-dark{background:#fff}.wave.to-dark path{fill:var(--dark)}.wave.to-white{background:var(--dark)}.wave.to-white path{fill:#fff}.wave.pale-to-white{background:var(--paper-2)}.wave.pale-to-white path{fill:#fff}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px;margin-top:50px;position:relative;list-style:none}.steps:before{content:"";position:absolute;top:30px;left:12%;right:12%;border-top:2px dotted #cbd8d0}.step{position:relative;text-align:center}.step-no{width:60px;height:60px;display:flex;align-items:center;justify-content:center;background:var(--dark);color:#fff;border-radius:50%;box-shadow:0 0 0 8px var(--paper-2);margin:0 auto 24px;font-size:18px}.step h3{font-size:21px}.step p{font-size:17px;color:var(--ink-soft);line-height:1.55;margin:0}
.solutions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:36px}.solution{padding:32px 28px;border-radius:26px;background:var(--paper-2)}.solution h3{font-weight:300;font-size:29px;line-height:1.18;margin-bottom:22px}.solution p:not(.sec-label){font-size:18px}.solution p:last-child{margin-bottom:0}
.cost-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:64px;align-items:start}.cost-grid>div>.btn{margin-top:10px}.cost-points{list-style:none;display:grid;gap:18px}.cost-points li{background:rgba(255,255,255,.07);border-radius:18px;padding:25px 28px}.cost-points p{font-size:18px;margin:0}
.funding-steps{list-style:none;counter-reset:f;display:grid;gap:20px;margin-bottom:24px}
.funding-steps li{counter-increment:f;position:relative;padding-left:46px;font-size:17px;color:var(--ink-soft);line-height:1.5}
.funding-steps li:before{content:counter(f);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600}
.funding-steps strong{display:block;color:var(--dark);font-size:19px;font-weight:600;margin-bottom:3px}
.funding-bubble{background:var(--paper-2);border-radius:34px;padding:48px;display:grid;grid-template-columns:.9fr 1.1fr;gap:50px}.funding-bubble p:last-child{margin:0}
.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}.faq-grid h2{max-width:15ch}.faq-list details{background:#fff;border-radius:18px;padding:21px 26px;margin-bottom:12px}.faq-list summary{display:flex;justify-content:space-between;gap:20px;cursor:pointer;list-style:none;color:var(--dark);font-size:19px;font-weight:600;line-height:1.4}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";flex-shrink:0;font-size:24px;line-height:1;font-weight:400}.faq-list details[open] summary:after{content:"−"}.faq-list details p{font-size:18px;color:var(--ink-soft);margin:14px 0 0}
.final{text-align:center;padding:100px 0}.final .lead{max-width:49ch;margin:0 auto}.final .btns{display:flex;gap:26px;justify-content:center;align-items:center;flex-wrap:wrap;margin-top:30px}
.calculator-draft{background:var(--paper-2);padding:40px 0;border-top:2px dashed var(--primary)}.calculator-draft h2{font-size:26px}.calculator-draft p{font-size:17px}
footer{background:var(--dark);color:var(--on-dark-soft);font-size:16px;padding:60px 0 34px}.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:44px}footer strong{color:#fff;display:block;margin-bottom:12px}footer ul{list-style:none;display:grid;gap:7px}footer a{text-decoration:none}.foot-legal{border-top:1px solid rgba(255,255,255,.2);padding-top:22px;display:flex;gap:24px;flex-wrap:wrap;justify-content:space-between}
@media(max-width:1000px){.nav a:not(.tel-btn){display:none}.solutions{grid-template-columns:1fr}.solution{display:block}.solution p{max-width:65ch}.assessment-bubble{gap:30px;padding:38px}}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr;gap:40px}.steps:before{display:none}.step p{max-width:35ch;margin:auto}.assessment-bubble,.cost-grid,.funding-bubble,.faq-grid{grid-template-columns:1fr;gap:30px}.assessment-bubble>div>h2{max-width:23ch}.faq-grid h2{max-width:none}}
@media(max-width:640px){body{font-size:18px}.wrap{padding:0 24px}section{padding:60px 0}.top .wrap{height:70px;padding:0 18px;gap:10px}.brand strong{font-size:18px}.brand small{font-size:10px}.tel-btn{padding:10px 12px;font-size:14px}.nav{gap:0}.de-photo{min-height:105px;padding:18px}.de-photo figcaption{font-size:14px}.de-main{padding:32px 24px 28px}.de-claim{font-size:clamp(32px,8.4vw,46px)}.de-copy,.lead{font-size:19px}.de-primary{font-size:16px;gap:12px;padding:14px 20px}.assessment-section{padding:20px 0 0}.assessment-bubble{padding:30px 24px;border-radius:26px}.assessment-signs li{padding:18px 16px;gap:12px}.assessment-signs h3{font-size:20px}.assessment-signs p{font-size:16px}.wave{height:40px}.solution{padding:28px 24px}.cost-points li{padding:24px}.funding-bubble{padding:30px 24px;border-radius:26px}.faq-list details{padding:20px}.final{padding:70px 0}.final .btns{flex-direction:column;gap:18px}.foot-grid{grid-template-columns:1fr;gap:30px}.foot-legal{font-size:14px}}
@media(max-width:520px){.steps{grid-template-columns:1fr;gap:30px}.step{text-align:left;display:grid;grid-template-columns:46px 1fr;gap:0 18px}.step-no{width:46px;height:46px;grid-row:1/3;margin:0;font-size:16px}.step h3{margin:4px 0 12px}.step p{max-width:none}}
@media(max-width:360px){.brand small{display:none}.tel-btn{font-size:12px}.top .wrap{padding:0 14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.step-link{display:inline-block;margin-top:16px;grid-column:2}

/* Gezielte Textkorrekturen: Förderung früh sichtbar, Kosten wieder als lesbare Aufzählung. */
.step p a.inline{font-size:inherit;font-weight:600}
.wave.dark-to-pale{background:var(--dark)}.wave.dark-to-pale path{fill:var(--paper-2)}
.calc-section{padding:70px 0 80px;text-align:center}.calc-section h2{margin-bottom:36px}
.calc-steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:960px;margin:0 auto 40px;text-align:left}
.calc-steps li{background:#fff;border-radius:22px;padding:26px 24px;font-size:18px;color:var(--dark);line-height:1.45}
.calc-steps span{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;font-weight:600;font-size:16px;margin-bottom:14px}
@media(max-width:820px){.calc-steps{grid-template-columns:1fr}}
.cost-reading{max-width:920px}.cost-reading h2{max-width:27ch}.cost-reading>p{max-width:73ch}
.cost-factors{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px 32px;margin:30px 0 32px}
.cost-factors li{position:relative;padding-left:24px;color:#fff;font-size:18px;line-height:1.5}.cost-factors li:before{content:"↗︎";position:absolute;left:0;color:#dce4de}
.funding-bubble{align-items:start;grid-template-columns:.9fr 1.1fr}.funding-note{font-size:15px;color:var(--ink-soft);line-height:1.55}.funding-detail>a{font-size:15px}
@media(max-width:900px){.funding-bubble{grid-template-columns:1fr}}
@media(max-width:640px){.cost-factors{grid-template-columns:1fr;gap:12px;margin:25px 0}}


/* Persönlicher Kontakt bleibt neben dem bevorzugten Kosten-Einstieg gut erreichbar. */
.personal-contact{margin-top:22px}.personal-contact>p{font-size:16px;color:var(--ink-soft);margin:0 0 5px}
.contact-options{display:flex;flex-wrap:wrap;align-items:center;gap:6px 24px}.contact-options a{display:inline-flex;align-items:center;min-height:44px;color:var(--dark);font-size:18px;font-weight:600;text-underline-offset:4px;overflow-wrap:anywhere;max-width:100%}


.ref-two{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.ref-item h3{font-size:23px;font-weight:600;margin:22px 0 10px}
.ref-item p{font-size:18px;color:var(--ink-soft);margin-bottom:12px}.ref-item p:last-of-type{margin-bottom:20px}.ba{display:block;font-size:13px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--primary);margin-bottom:2px}
.project-photo.detail{aspect-ratio:2.4}
@media(max-width:820px){.ref-two{grid-template-columns:1fr;gap:44px}}
.ref-review{background:var(--paper-2);border-radius:26px;padding:34px 38px;margin:34px 0 26px;max-width:820px}.ref-review .rev-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}.ref-review .stars{color:#e0a33a;font-size:18px;letter-spacing:2px}.ref-review .src{font-size:14px;color:var(--ink-soft)}.ref-review blockquote{font-size:21px;line-height:1.5;color:var(--dark);margin:0 0 14px}.ref-review figcaption{font-size:16px;color:var(--ink-soft)}
@media(max-width:640px){.ref-review{padding:26px 24px;border-radius:20px}.ref-review blockquote{font-size:19px}}
.reference-project{padding-top:44px}.final-contact{margin-top:30px}.final-contact>p{font-size:17px;color:var(--ink-soft);margin:0 0 6px}.final-contact .contact-options{justify-content:center}
#sanierungsbedarf{padding:70px 0}#foerderung{padding-top:40px}
@media(max-width:640px){.personal-contact{margin-top:17px}.contact-options{gap:4px 20px}.contact-options a{font-size:17px}.reference-project{padding-top:30px}#sanierungsbedarf{padding:55px 0}.final-contact .contact-options{flex-direction:column}}