:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --surface-soft: #efefeb;
  --text: #181818;
  --muted: #66645f;
  --line: #deddd7;
  --accent: #f2cf32;
  --accent-dark: #c7a600;
  --accent-ink: #715d00;
  --dark: #111111;
  --dark-2: #20201e;
  --max: 1180px;
  --radius: 22px;
  --shadow: 0 20px 55px rgba(0, 0, 0, .10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; }
a { color: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 16px; z-index: 9999; background: #fff; padding: 10px 14px; border-radius: 8px; }
.sv-bar { background: var(--dark); color: #dbe9e6; font-size: .9rem; }
.sv-bar__inner { min-height: 38px; display: flex; justify-content: flex-end; gap: 12px; align-items: center; }
.sv-bar a { color: #fff; font-weight: 700; text-decoration: none; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(244,247,248,.94); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(217,226,228,.8); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; background: var(--accent); color: #fff; font-weight: 800; letter-spacing: .02em; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 1rem; }
.brand-text small { color: var(--muted); margin-top: 4px; }
.main-nav { display: flex; align-items: center; gap: 18px; font-size: .94rem; }
.main-nav a { text-decoration: none; color: #273a3f; font-weight: 650; }
.main-nav a:hover { color: var(--accent); }
.nav-cta { padding: 10px 14px; background: var(--accent); color: #fff !important; border-radius: 10px; }
.nav-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.nav-toggle span { display: block; width: 25px; height: 2px; background: var(--text); margin: 5px 0; }
.hero { padding: 88px 0 70px; background: radial-gradient(circle at 80% 12%, rgba(15,107,89,.12), transparent 34%), linear-gradient(180deg, #f9fbfb 0%, var(--bg) 100%); }
.hero-grid, .split { display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: center; }
.split-reverse { grid-template-columns: .85fr 1.15fr; }
.eyebrow { display: inline-block; font-size: .77rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 800; color: var(--accent); margin-bottom: 14px; }
h1,h2,h3 { line-height: 1.08; margin-top: 0; }
h1 { font-size: clamp(2.7rem, 6vw, 5.4rem); letter-spacing: -.045em; max-width: 900px; margin-bottom: 24px; }
h1 span { color: var(--accent); }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -.035em; margin-bottom: 22px; }
h3 { font-size: 1.35rem; margin-bottom: 14px; }
p { color: var(--muted); }
.hero-lead, .section-lead { font-size: 1.18rem; max-width: 780px; }
.hero-actions, .contact-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 12px; text-decoration: none; border: 1px solid transparent; font-weight: 800; cursor: pointer; font: inherit; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary { background: transparent; border-color: #bfcdd0; color: var(--text); }
.trust-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 38px; }
.trust-row div { border-left: 3px solid var(--accent); padding-left: 12px; }
.trust-row strong, .trust-row span { display: block; }
.trust-row strong { font-size: 1.15rem; }
.trust-row span { color: var(--muted); font-size: .9rem; }
.hero-panel { background: var(--dark); color: #fff; border-radius: 28px; padding: 28px; box-shadow: var(--shadow); }
.hero-panel__top { display: flex; flex-direction: column; gap: 6px; margin-bottom: 24px; }
.hero-panel__top span { color: #91c5ba; text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; font-weight: 800; }
.hero-panel__top strong { font-size: 1.35rem; }
.system-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.system-list li { display: grid; grid-template-columns: 38px 1fr; align-items: center; gap: 10px; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.10); }
.system-list span { color: #91c5ba; font-size: .8rem; font-weight: 800; }
.hero-panel p { color: #b7c9c6; margin-bottom: 0; }
.section { padding: 88px 0; }
.section-highlight { background: #e8f2ef; }
.section-soft { background: var(--surface-soft); }
.section-dark { background: var(--dark); color: #fff; }
.section-dark p { color: #b9c9c6; }
.section-heading { max-width: 840px; margin-bottom: 36px; }
.section-heading.compact { margin-bottom: 24px; }
.feature-card, .card, .contact-card, .service-form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: 0 12px 35px rgba(20,45,50,.05); }
.feature-card-dark { background: var(--dark-2); border-color: rgba(255,255,255,.08); color: #fff; box-shadow: none; }
.cards { display: grid; gap: 18px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.card p { margin-bottom: 0; }
.service-tags { display: flex; flex-wrap: wrap; gap: 9px; margin: 24px 0; }
.service-tags span { padding: 8px 11px; background: rgba(15,107,89,.08); border: 1px solid rgba(15,107,89,.13); color: #24554d; border-radius: 999px; font-size: .9rem; font-weight: 700; }
.text-link { display: inline-flex; margin-top: 8px; font-weight: 800; color: var(--accent); text-decoration: none; }
.text-link-light { color: #91c5ba; }
.check-list { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 25px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 900; }
.check-list.light li::before { color: #91c5ba; }
.sustainability { margin-top: 22px; font-weight: 800; color: #d5e7e2 !important; }
.qual-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.qual-grid div { padding: 20px; border-radius: 16px; background: #fff; border: 1px solid var(--line); }
.qual-grid strong, .qual-grid span { display: block; }
.qual-grid span { color: var(--muted); margin-top: 6px; font-size: .92rem; }
.sv-note { margin-top: 34px; display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; padding: 18px 20px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.sv-note span { color: var(--muted); }
.sv-note a { color: var(--accent); font-weight: 800; text-decoration: none; }
.service-form { display: grid; gap: 18px; }
.form-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.service-form label { display: grid; gap: 7px; font-weight: 750; font-size: .95rem; }
.service-form input, .service-form select, .service-form textarea { width: 100%; border: 1px solid #c8d5d8; border-radius: 10px; padding: 12px 13px; font: inherit; background: #fff; color: var(--text); }
.service-form input:focus, .service-form select:focus, .service-form textarea:focus { outline: 3px solid rgba(15,107,89,.12); border-color: var(--accent); }
.consent { grid-template-columns: auto 1fr !important; align-items: start; font-weight: 500 !important; }
.consent input { width: auto; margin-top: 4px; }
.form-note { font-size: .86rem; margin: 0; }
.contact { background: #f9fbfb; }
.contact-card strong { font-size: 1.35rem; }
.contact-card small { color: var(--muted); display: block; margin-top: 10px; }
.site-footer { background: #0a171b; color: #dce7e5; padding: 36px 0; }
.site-footer p { color: #9eb2ae; }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; align-content: flex-start; }
.footer-links a { color: #dce7e5; text-decoration: none; }
@media (max-width: 1050px) {
  .main-nav { position: fixed; inset: 114px 20px auto 20px; display: none; flex-direction: column; align-items: stretch; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }
  .main-nav.is-open { display: flex; }
  .nav-toggle { display: block; }
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 800px) {
  .sv-bar__inner { justify-content: center; flex-wrap: wrap; padding: 7px 0; }
  .hero { padding-top: 58px; }
  .hero-grid, .split, .split-reverse { grid-template-columns: 1fr; gap: 30px; }
  .trust-row { grid-template-columns: 1fr; }
  .cards-3, .cards-4 { grid-template-columns: 1fr; }
  .qual-grid { grid-template-columns: 1fr; }
  .sv-note { grid-template-columns: 1fr; }
  .footer-grid { flex-direction: column; }
  .section { padding: 64px 0; }
}
@media (max-width: 560px) {
  .container { width: min(calc(100% - 24px), var(--max)); }
  .brand-text small { display: none; }
  .hero-actions, .contact-actions { flex-direction: column; }
  .btn { width: 100%; }
  .form-grid { grid-template-columns: 1fr; }
  h1 { font-size: clamp(2.35rem, 14vw, 3.8rem); }
}


/* Aktuelles & Fachwissen */
.section-news-home { background: #fff; }
.news-heading-row { display: flex; justify-content: space-between; align-items: end; gap: 28px; max-width: none; }
.news-heading-row > div { max-width: 800px; }
.news-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.news-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 12px 35px rgba(20,45,50,.06); display: flex; flex-direction: column; }
.news-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.news-card__body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.news-card__body h3 { margin-bottom: 10px; }
.news-card__body p { margin-top: 0; }
.news-card__body .text-link { margin-top: auto; }
.news-meta { display: inline-block; font-size: .72rem; font-weight: 850; text-transform: uppercase; letter-spacing: .11em; color: var(--accent); margin-bottom: 12px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(260px, .55fr); gap: 56px; align-items: start; }
.article-main { max-width: 820px; }
.article-main p { font-size: 1.04rem; }
.article-main .btn { margin-top: 12px; }
.article-side { position: sticky; top: 126px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: 0 12px 35px rgba(20,45,50,.05); }
.article-side-dark { background: var(--dark-2); border-color: rgba(255,255,255,.08); color: #fff; }
.section-dark .article-main p { color: #c7d4d2; }
@media (max-width: 900px) {
  .news-grid { grid-template-columns: 1fr; }
  .news-grid-home { grid-template-columns: 1fr; }
  .news-heading-row { align-items: start; flex-direction: column; }
  .article-layout { grid-template-columns: 1fr; gap: 28px; }
  .article-side { position: static; }
}

.section-actions{display:flex;flex-wrap:wrap;gap:18px;align-items:center;margin-top:28px}.section-references-home{background:#fff}.reference-placeholder-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.reference-placeholder{min-height:150px;border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:linear-gradient(145deg,#fff,#f1f4f5);display:flex;flex-direction:column;justify-content:flex-end}.reference-placeholder span{color:var(--accent);font-size:.76rem;text-transform:uppercase;letter-spacing:.1em;font-weight:800}.reference-placeholder strong{font-size:1.08rem;margin-top:6px}.page-contact .nav-cta.active{background:var(--dark)}
@media(max-width:800px){.reference-placeholder-grid{grid-template-columns:1fr}.section-actions{align-items:flex-start;flex-direction:column}}

/* Final brand alignment */
.eyebrow,.text-link,.news-meta,.reference-placeholder span{color:var(--accent-ink)}
.btn-primary,.nav-cta{background:var(--accent);color:#111!important}
.btn-primary:hover,.nav-cta:hover{background:var(--accent-dark);color:#111!important}
.service-tags span{background:rgba(242,207,50,.14);border-color:rgba(199,166,0,.24);color:#4f4300}
.check-list li::before{color:var(--accent-dark)}
.check-list.light li::before,.text-link-light{color:var(--accent)}
.hero-panel__top span,.system-list span{color:var(--accent)}
.section-highlight{background:#f6efc8}
.section-dark{background:#111;color:#fff}
.feature-card-dark{background:#20201e}
.sv-bar{background:#111}
.site-header{background:rgba(250,250,248,.96)}
.header-inner{min-height:96px}
.brand-logo{width:220px;height:82px;object-fit:contain;object-position:left center}
.main-nav{gap:14px;font-size:.91rem}
.hero-with-image{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.home-hero-image{min-height:480px;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);background:#ddd}
.home-hero-image img{width:100%;height:100%;min-height:480px;object-fit:cover}
.home-hero-image figcaption{position:absolute;left:-9999px}
.quick-links{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:32px}
.quick-link{display:block;padding:18px;border-radius:16px;background:#fff;border:1px solid var(--line);text-decoration:none;font-weight:800}
.quick-link small{display:block;color:var(--muted);font-weight:500;margin-top:4px}
.legal-note{padding:18px 20px;border-radius:14px;background:#fff7cf;border:1px solid #eadc8d;margin:22px 0}
.form-status{display:none;padding:14px 16px;border-radius:12px;background:#fff7cf;border:1px solid #eadc8d;color:#332c00;font-weight:700}
.form-status.is-visible{display:block}
@media(max-width:1050px){.main-nav{inset:134px 20px auto 20px}.brand-logo{width:190px;height:72px}}
@media(max-width:800px){.hero-with-image{grid-template-columns:1fr}.home-hero-image,.home-hero-image img{min-height:300px}.quick-links{grid-template-columns:1fr 1fr}.header-inner{min-height:86px}.brand-logo{width:175px;height:68px}}
@media(max-width:560px){.quick-links{grid-template-columns:1fr}.brand-logo{width:160px;height:64px}}

/* Fachartikel */
.article-note{margin:26px 0;padding:22px 24px;border-left:4px solid var(--accent);background:#f5f7f7;border-radius:0 14px 14px 0}.article-note strong{display:block;margin-bottom:6px}.article-kicker{display:block;margin-top:44px}.article-cta{margin:38px 0}.article-source{margin-top:42px;padding-top:24px;border-top:1px solid var(--line)}.article-source p{font-size:.96rem}.news-grid-four{grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:760px){.news-grid-four{grid-template-columns:1fr}}

/* Progressive technische Anfrage */
.tech-fields[hidden]{display:none!important}.tech-fields{margin:1.4rem 0;padding:1.2rem;border:1px solid rgba(0,0,0,.12);border-radius:12px}.tech-fields h3{margin-top:0}.form-hint{font-size:.92rem;opacity:.8}.consent{display:flex;gap:.65rem;align-items:flex-start}

/* Release V3 – Header / Logo */
.site-header{
  border-bottom: 5px solid #f2cf32;
}
.header-inner{
  min-height: 148px;
}
.brand-logo{
  width: 400px;
  height: 142px;
  object-fit: contain;
  object-position: left center;
}
@media(max-width:1200px){
  .brand-logo{width:340px;height:122px}
  .header-inner{min-height:128px}
}
@media(max-width:1050px){
  .brand-logo{width:300px;height:108px}
  .header-inner{min-height:116px}
  .main-nav{inset:154px 20px auto 20px}
}
@media(max-width:800px){
  .brand-logo{width:260px;height:94px}
  .header-inner{min-height:104px}
  .main-nav{inset:142px 18px auto 18px}
}
@media(max-width:560px){
  .brand-logo{width:225px;height:82px}
  .header-inner{min-height:94px}
  .site-header{border-bottom-width:4px}
}

/* Release V4 visual fixes */
.section-dark .article-note,.section-dark .feature-card.article-note{background:#242422;color:#f5f5f2;border-color:#f2cf32}
.section-dark .article-note strong,.section-dark .article-note p{color:#f5f5f2}
.section-dark .article-note a{color:#f2cf32}
.split img,.media-card img{width:100%;height:auto;object-fit:cover}

.main-nav a{white-space:nowrap}
@media(min-width:1051px){.main-nav{gap:22px}.main-nav a{font-size:.97rem}}
.hero-media-card img,.media-card img,.news-card img{width:100%;height:100%;object-fit:cover;object-position:center}

/* Release V6 image correction */
.section img,.split img,.media-card img,.hero-media-card img{max-width:100%;object-fit:cover;object-position:center}

/* Release V7 final visual consistency */
.main-nav a{white-space:nowrap}
@media(min-width:1051px){.main-nav{gap:18px}.main-nav a{font-size:.95rem}}
main img{max-width:100%}
.hero-media-card img,.media-card img,.news-card img,.split img{object-fit:cover;object-position:center}

/* Release V10 */
.cert-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.cert-card{display:block;text-decoration:none;color:inherit;background:#fff;border:1px solid rgba(0,0,0,.1);border-radius:16px;overflow:hidden;box-shadow:0 8px 28px rgba(0,0,0,.06)}
.cert-card img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#f6f6f3}
.cert-placeholder{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;background:#f4f4f0;padding:24px;text-align:center;font-weight:700}.cert-card__body{padding:18px}.cert-card__body h3{margin:0 0 8px;font-size:1.08rem}.cert-card__body span{font-weight:700}
.process-step h3{font-size:1.45rem}.process-step p{font-size:1rem;line-height:1.65}
@media(max-width:900px){.cert-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.cert-grid{grid-template-columns:1fr}}


/* Release V12 – konsolidierte Korrekturen */
.page-contact .nav-cta.active{
  background:var(--accent)!important;
  color:#111!important;
}
.section-dark .contact-actions .btn-secondary{
  color:#fff!important;
  border-color:#9ca6a4;
}
.section-dark .contact-actions .btn-secondary:hover{
  background:rgba(255,255,255,.10);
  color:#fff!important;
}
.section-dark .feature-card:not(.feature-card-dark){
  color:var(--text);
}
.section-dark .feature-card:not(.feature-card-dark) h3,
.section-dark .feature-card:not(.feature-card-dark) li{
  color:var(--text);
}
.section-dark .feature-card:not(.feature-card-dark) p{
  color:var(--muted);
}
.media-frame,
.energy-hero-collage figure{
  overflow:hidden;
}
.img-crop-textfree{
  transform:scale(1.14);
  transform-origin:right center;
}
.privacy-form-note .text-link{
  display:inline;
  margin-top:0;
}