/* Kommunal Erneuerbar — static editorial styles, no external dependencies */
:root{--ink:#1a3028;--forest:#234b38;--deep:#163629;--moss:#426b40;--sage:#e5edde;--cream:#f8f5ec;--sand:#f0e7d5;--gold:#d1a366;--muted:#52635b;--line:#d6dfd5;--white:#fff;--shadow:0 18px 52px rgba(18,48,34,.10);--wrap:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:system-ui,-apple-system,'Segoe UI',Arial,sans-serif;font-size:16px;line-height:1.68;overflow-x:hidden}img{display:block;max-width:100%}a{color:var(--forest);text-underline-offset:.18em}a:hover{color:#386c4c}button,input{font:inherit}button{cursor:pointer}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{line-height:1.15;letter-spacing:-.035em}h1{font-size:clamp(2.55rem,5vw,5.2rem);font-weight:800}h2{font-size:clamp(1.85rem,3.5vw,3rem);font-weight:750}h3{font-size:clamp(1.13rem,1.9vw,1.55rem);font-weight:720}p{color:#45584c}strong{color:var(--ink)}ul,ol{padding-left:1.35rem}li{margin-bottom:.45rem} :focus-visible{outline:3px solid #c17925;outline-offset:4px;border-radius:3px}.skip{position:absolute;top:-80px;left:20px;background:#fff;padding:12px;z-index:50}.skip:focus{top:12px}.container{width:min(calc(100% - 48px),var(--wrap));margin-inline:auto}.site-header{background:#fffdf8;position:sticky;top:0;z-index:40;border-bottom:1px solid rgba(26,48,40,.13)}.header-row{height:88px;display:flex;align-items:center;gap:28px;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:830;font-size:1.3rem;text-decoration:none;line-height:1.04;letter-spacing:-.055em;color:var(--deep)!important;flex-shrink:0}.brand-mark{width:44px;height:44px;border-radius:8px 27px 8px 27px;background:linear-gradient(140deg,#79aa57,#285d3b);transform:rotate(-8deg);position:relative;box-shadow:inset -5px -6px 0 rgba(11,51,29,.12)}.brand-mark::after{content:'';position:absolute;left:11px;bottom:7px;width:26px;height:31px;border-left:3px solid #eff9df;transform:rotate(40deg);border-radius:50%}.brand-word{max-width:124px}.main-nav{display:flex;align-items:center;gap:clamp(10px,2vw,30px);margin-left:auto}.main-nav a{font-size:.88rem;font-weight:650;text-decoration:none;white-space:nowrap;color:#34493c;position:relative;padding:12px 0}.main-nav a[aria-current=page]{color:#255c37}.main-nav a[aria-current=page]::after{content:'';height:3px;position:absolute;left:0;right:0;bottom:2px;background:var(--gold);border-radius:6px}.menu-toggle{display:none;background:var(--forest);color:#fff;border:0;padding:8px 12px;border-radius:9px}.menu-toggle .bars{display:block;width:22px;height:16px;border-top:2px solid currentColor;border-bottom:2px solid currentColor;position:relative}.menu-toggle .bars::after{content:'';position:absolute;top:6px;left:0;right:0;border-top:2px solid currentColor}.button{display:inline-flex;gap:12px;align-items:center;justify-content:center;background:var(--forest);color:#fff!important;border:1px solid var(--forest);border-radius:8px;text-decoration:none;font-weight:700;font-size:.91rem;padding:13px 19px;transition:transform .2s,background .2s}.button:hover{background:#1a382a;transform:translateY(-2px)}.button.light{background:#fff;color:var(--forest)!important;border-color:#fff}.button.ghost{background:transparent;color:var(--forest)!important;border-color:#8da08e}.arrow::after{content:'↗';font-size:1.1rem}.eyebrow{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;font-weight:800;color:#597651;margin:0 0 14px}.section{padding:76px 0}.section.tinted{background:#edf2e8}.section-head{max-width:740px;margin-bottom:32px}.section-head p:last-child{font-size:1.05rem}.hero{position:relative;background:#e1e8d8;overflow:hidden;min-height:580px;display:flex;align-items:center}.hero-media{position:absolute;inset:0 0 0 36%;z-index:0}.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 45%}.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#f5f2e7 0%,#f5f2e7 30%,rgba(245,242,231,.93) 44%,rgba(245,242,231,.15) 69%,rgba(10,34,19,.03) 100%)}.hero-content{position:relative;z-index:1;padding-block:87px 100px}.hero-content h1{max-width:630px;margin:0 0 21px}.hero-content .lead{font-size:1.19rem;font-weight:480;max-width:540px;line-height:1.55;color:#344939;margin-bottom:28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-annotation{font-size:.77rem;color:#50614a;margin:28px 0 0}.chapter-intro{background:#eaf0e6;border-bottom:1px solid var(--line)}.chapter-layout{display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:6%;min-height:435px}.chapter-copy{padding:55px 0}.chapter-copy h1{font-size:clamp(2.6rem,4vw,4.65rem);margin-bottom:20px;max-width:740px}.chapter-copy p.lead{font-size:1.1rem;max-width:650px}.chapter-image{align-self:stretch;min-height:435px;overflow:hidden;position:relative}.chapter-image img{width:100%;height:100%;object-fit:cover}.chapter-image:before{content:'';position:absolute;left:0;top:0;bottom:0;width:50px;background:linear-gradient(90deg,#eaf0e6,transparent);z-index:2}.breadcrumb{font-size:.82rem;color:#5c715f;display:flex;gap:10px;align-items:center;margin-bottom:26px;flex-wrap:wrap}.breadcrumb a{color:#52664e}.grid{display:grid;gap:22px}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.feature-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:27px;display:flex;flex-direction:column;min-height:242px;box-shadow:0 5px 20px rgba(28,62,41,.02)}.feature-card p{font-size:.91rem;line-height:1.55}.feature-card .readmore{font-weight:760;font-size:.9rem;text-decoration:none;margin-top:auto}.feature-card h3{font-size:1.29rem;margin:0 0 12px}.feature-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:12px;background:#eaf1e6;color:var(--forest);font-size:1.4rem;margin-bottom:19px}.feature-icon.gold{background:#fbf0df;color:#945d23}.feature-icon.dark{background:#e3e9e2}.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,92px);align-items:center}.split.reverse .media-frame{order:-1}.media-frame{overflow:hidden;border-radius:16px;position:relative;box-shadow:var(--shadow);background:#d9e1d2}.media-frame img{width:100%;aspect-ratio:1.16;object-fit:cover}.media-label{background:#fffdf8;position:absolute;bottom:14px;left:14px;font-weight:700;border-radius:8px;padding:8px 13px;font-size:.79rem;color:#345440}.text-link{font-weight:750;text-decoration:none}.text-link::after{content:' ↗'}.notice{border-left:4px solid #ae8442;background:#fff9eb;border-radius:0 12px 12px 0;padding:19px 22px;margin:25px 0}.notice p:last-child{margin:0}.band{background:var(--deep);color:#fff;padding:49px 0}.band p{color:#dce9dd}.band h2,.band h3,.band strong{color:#fff}.band .button{background:#fff;color:var(--forest)!important;border-color:#fff}.tag{display:inline-block;border:1px solid #a5bba7;color:#416349;padding:3px 10px;font-size:.72rem;font-weight:760;border-radius:100px;letter-spacing:.02em;margin-bottom:15px}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.step{position:relative;background:white;border:1px solid #d7ded4;border-radius:15px;padding:30px 30px 25px 76px}.step:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:24px;top:26px;color:#b78340;font-size:1.37rem;font-weight:820}.step h3{margin:0 0 10px}.step p{margin:0}.article{max-width:760px}.article h2{margin-top:1.8em}.article h3{margin-top:1.45em}.article p{margin-bottom:1.05em}.article ul{color:#45584c}.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:21px}.case{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}.case img{width:100%;aspect-ratio:1.53;object-fit:cover}.case-body{padding:24px;display:flex;flex:1;flex-direction:column}.case-body .readmore{margin-top:auto}.case-body p{font-size:.94rem}.case-tag{font-size:.72rem;letter-spacing:.09em;color:#777d68;font-weight:760;text-transform:uppercase}.case h3{margin:7px 0 12px}.table-scroll{overflow-x:auto;border-radius:12px;border:1px solid #d4ded2;background:#fff}.comparison{border-collapse:collapse;width:100%;min-width:640px}.comparison th,.comparison td{padding:16px 18px;text-align:left;border-bottom:1px solid #dce5db;vertical-align:top}.comparison th{background:#e7eee3;color:#1c462c;font-size:.84rem}.comparison tr:last-child td{border-bottom:0}.comparison td{font-size:.92rem}.quote{font-size:1.3rem;line-height:1.52;border-left:5px solid #bf995e;padding-left:28px;margin:0;font-weight:600;color:#244633}.faq{max-width:850px}.faq details{border-top:1px solid #cad8c9;padding:17px 0}.faq details:last-child{border-bottom:1px solid #cad8c9}.faq summary{list-style:none;cursor:pointer;font-weight:740;padding-right:36px;position:relative;line-height:1.45}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:'+';position:absolute;right:3px;top:-7px;font-size:1.8rem;color:var(--moss)}.faq details[open] summary:after{content:'−'}.faq details p{padding-top:12px;margin-bottom:0}.pill-list{display:flex;gap:9px;flex-wrap:wrap}.pill-list span{background:#edf3eb;border-radius:999px;padding:6px 12px;color:#426248;font-size:.82rem;font-weight:720}.source-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.source-list li{background:#fff;padding:17px 20px;border:1px solid var(--line);border-radius:10px;margin:0}.source-list a{font-weight:700;display:block;overflow-wrap:anywhere}.source-list small{display:block;color:#647267;font-size:.79rem;margin-top:4px}.callout{background:var(--sand);border-radius:20px;padding:37px 42px;display:flex;justify-content:space-between;gap:22px;align-items:center}.callout h2{font-size:clamp(1.5rem,2.5vw,2.1rem);margin:0 0 8px}.callout p{margin:0}.callout .button{flex-shrink:0}.calc{background:#fff;border:1px solid #d6dfd4;border-radius:19px;box-shadow:var(--shadow);padding:35px}.calc label{display:block;font-weight:720;margin-bottom:10px}.calc input{width:100%;padding:14px;border:1px solid #9aad9e;border-radius:9px;color:var(--ink);background:#fff}.calc-result{background:var(--sage);border-radius:14px;margin-top:18px;padding:18px 22px}.calc-result output{display:block;color:var(--deep);font-weight:830;font-size:clamp(2rem,4vw,3.2rem);line-height:1.2;margin-top:2px}.calc .fine{font-size:.78rem;margin:16px 0 0}.toc{padding:26px;border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:32px}.toc strong{display:block;margin-bottom:12px}.toc a{display:block;margin-top:7px;font-size:.93rem}.source-section{padding:50px 0;background:#f1f3ec;border-top:1px solid #dce3d7}.site-footer{background:#143629;color:#f7f6ee;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:45px}.site-footer a{color:#dce8dd;text-decoration:none}.site-footer a:hover{text-decoration:underline}.site-footer p{color:#becfc2;font-size:.9rem}.site-footer h3{font-size:1rem;color:#fff;margin:0 0 16px;letter-spacing:0}.footer-links{list-style:none;margin:0;padding:0}.footer-links li{margin:0 0 8px}.footer-bottom{border-top:1px solid #496452;padding-top:20px;margin-top:40px;display:flex;justify-content:space-between;gap:15px;color:#bdd0c0;font-size:.8rem}.footer-bottom a{color:#d7e5d7}.foot-brand{color:white!important}.footer-grid .brand-mark{width:35px;height:35px}.footer-grid .brand-mark::after{left:9px;bottom:5px;width:20px;height:25px}.footer-grid .brand{font-size:1.1rem;margin-bottom:16px}.footer-note{font-size:.79rem;max-width:420px}.highlights{display:flex;gap:23px;flex-wrap:wrap;margin-top:22px}.highlight{border-top:3px solid var(--gold);padding-top:8px;flex:1;min-width:140px}.highlight strong{display:block;font-size:1.27rem}.highlight span{font-size:.83rem;color:#5b6d5f}.background-white{background:white}.w-100{width:100%}.m-0{margin:0}.mb-0{margin-bottom:0}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mt-48{margin-top:48px}.narrow{max-width:780px}.number{font-size:clamp(3rem,7vw,6.5rem);line-height:1;font-weight:810;letter-spacing:-.07em;color:#c4a36f}.anchor-section{scroll-margin-top:110px}
@media(max-width:1050px){.header-row{gap:14px}.brand{font-size:1.15rem}.brand-mark{width:37px;height:37px}.main-nav{gap:13px}.main-nav a{font-size:.8rem}.hero-media{left:34%}.hero:after{background:linear-gradient(90deg,#f5f2e7 0%,#f5f2e7 22%,rgba(245,242,231,.89) 48%,rgba(245,242,231,.06) 90%)}}
@media(max-width:790px){.container{width:min(calc(100% - 36px),var(--wrap))}.header-row{height:74px}.menu-toggle{display:flex;align-items:center;gap:9px}.main-nav{display:none;position:absolute;top:74px;left:0;right:0;margin:0;background:#fffdf8;border-bottom:1px solid var(--line);padding:16px 22px 23px;box-shadow:0 20px 30px rgba(30,46,30,.1);flex-direction:column;align-items:stretch;gap:1px}.main-nav.open{display:flex}.main-nav a{padding:12px 4px;font-size:1rem}.main-nav a[aria-current=page]::after{bottom:7px;width:65px}.hero{min-height:590px;align-items:flex-start}.hero-media{inset:0 0 0 25%}.hero-media img{object-position:center}.hero:after{background:linear-gradient(90deg,#f6f4ec 0%,rgba(246,244,236,.97) 30%,rgba(246,244,236,.78) 68%,rgba(246,244,236,.4) 100%)}.hero-content{padding-block:95px 100px}.hero-content h1{max-width:650px}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.split{gap:34px}.chapter-layout{grid-template-columns:1fr;gap:0}.chapter-copy{padding:42px 0 38px}.chapter-image{min-height:270px;margin-inline:-18px}.chapter-image:before{display:none}.chapter-image img{max-height:360px}.section{padding:55px 0}.case-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:span 2}}
@media(max-width:590px){body{font-size:15.5px}.container{width:calc(100% - 32px)}.hero{min-height:600px}.hero-media{inset:30% 0 0 0}.hero:after{background:linear-gradient(180deg,#f5f2e7 0%,#f5f2e7 26%,rgba(245,242,231,.95) 47%,rgba(245,242,231,.15) 80%)}.hero-content{padding:48px 0 215px}.hero-content h1{font-size:clamp(2.65rem,10.8vw,4rem)}.hero-content .lead{font-size:1rem}.hero-annotation{display:none}.chapter-copy h1{font-size:clamp(2.35rem,10.4vw,3.6rem)}.section{padding:44px 0}.grid-4,.grid-3,.grid-2,.steps,.case-grid,.split,.source-list{grid-template-columns:1fr}.split .media-frame{order:0!important}.feature-card{min-height:0}.case img{aspect-ratio:1.85}.callout{flex-direction:column;align-items:flex-start;padding:28px}.step{padding:25px 20px 24px 70px}.step:before{top:22px;left:18px}.footer-grid{grid-template-columns:1fr;gap:22px}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.calc{padding:22px}.hero-actions{gap:9px}.button{padding:12px 14px}.section-head{margin-bottom:25px}.chapter-image{margin-inline:-16px}.highlight{min-width:110px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

figure{margin:0}.media-frame img{height:420px;aspect-ratio:auto;object-fit:cover}.case img{height:225px;aspect-ratio:auto;object-fit:cover}@media(max-width:590px){.media-frame img{height:270px}.case img{height:218px}}
