:root{
  --blue:#159bd3; --blue-dark:#0b6f96; --red:#d71920; --text:#263238; --muted:#667085;
  --line:#e8eef2; --soft:#f5fafc; --max:1180px; --radius:18px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);line-height:1.65;background:#fff}img{max-width:100%;height:auto}a{color:var(--blue);text-decoration:none}a:hover{color:var(--blue-dark)}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px;z-index:9999}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);z-index:50;border-bottom:1px solid var(--line)}
.header-inner{max-width:100%;padding:10px 34px 8px 24px;display:flex;align-items:center;gap:36px}.brand{display:flex;align-items:center;min-width:160px}.brand img{width:122px;display:block}.main-nav{margin-left:auto}.main-nav ul{display:flex;gap:22px;align-items:center;list-style:none;margin:0;padding:0;white-space:nowrap}.main-nav a{font-family:Georgia,'Times New Roman',serif;font-size:22px;line-height:1.2;color:#078fd0}.main-nav a:hover{text-decoration:underline;text-underline-offset:5px}.nav-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 10px;font-size:20px;color:var(--blue-dark)}
.hero{min-height:620px;background:linear-gradient(90deg,rgba(255,255,255,.04),rgba(255,255,255,.75)),url('../img/hero-biosphere.jpg') center/cover fixed;display:flex;align-items:center}.hero-card{max-width:720px;margin-left:auto;margin-right:9vw;background:rgba(255,255,255,.84);padding:38px 46px;border-radius:var(--radius);box-shadow:0 20px 60px rgba(0,0,0,.12)}.hero h1{font-size:clamp(36px,5vw,72px);line-height:1.08;margin:0;color:var(--red);font-weight:300}.hero p{font-size:20px;margin:20px 0 0;color:#334}
.section{padding:76px 24px}.section.compact{padding:46px 24px}.wrap{max-width:var(--max);margin:0 auto}.eyebrow{color:var(--blue);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:13px}.section h2{font-size:clamp(30px,4vw,48px);line-height:1.1;color:var(--blue);margin:.1em 0 .55em}.section h3{font-size:28px;color:var(--blue);margin:.7em 0 .35em}.lead{font-size:19px;color:#425466;max-width:850px}.center{text-align:center}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 30px rgba(12,40,54,.06);color:var(--text)}.card-body{padding:26px}.card img{width:100%;height:auto;display:block;object-fit:contain;background:#fff}.card p{text-align:justify;color:var(--text)}.divider-img{display:block;margin:30px auto 10px;max-width:900px;width:100%}
.band{padding:110px 24px;color:#fff;background-position:center;background-size:cover;background-attachment:fixed}.band .wrap{display:flex;justify-content:flex-end}.band-card{width:min(560px,100%);background:rgba(255,255,255,.34);padding:46px;border-radius:var(--radius)}.band h2{font-size:clamp(38px,5vw,70px);line-height:1.12;color:var(--red);font-weight:300;margin:0}.band.spiral{background-image:linear-gradient(90deg,rgba(0,0,0,.03),rgba(0,0,0,.12)),url('../img/hero-spiral.jpg')}.band.lab{background-image:linear-gradient(90deg,rgba(255,255,255,.15),rgba(0,0,0,.18)),url('../img/hero-lab.jpg')}.band.woman{background-image:linear-gradient(90deg,rgba(255,255,255,.12),rgba(0,0,0,.16)),url('../img/hero-woman.jpg')}
.features{display:grid;grid-template-columns:1fr 1.35fr;gap:28px;margin:26px 0;align-items:center}.features img{border-radius:50%;width:150px;height:150px;object-fit:cover;justify-self:center}.features h3{margin-top:0}.blue-soft{background:linear-gradient(180deg,#1b9ed6 0%,#fff 100%)}.products{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.product img{aspect-ratio:auto;object-fit:contain;background:#fff}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.video-tile{position:relative;border-radius:var(--radius);overflow:hidden;background:#0b1f2a;min-height:220px;color:#fff;display:flex;align-items:flex-end;padding:22px}.video-tile:before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.65));}.video-tile span{position:relative}.video-tile:nth-child(1){background-image:url('../img/produkt-autarkie.webp');background-size:cover}.video-tile:nth-child(2){background-image:url('../img/fokus-nachhaltig.webp');background-size:cover}.video-tile:nth-child(3){background-image:url('../img/fokus-effizient.webp');background-size:cover}.foerder{background:var(--soft)}.logos{display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap}.logos img{max-height:105px;width:auto}.locations{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}.location-card{background:rgba(33,171,206,.18);border:1px solid rgba(33,171,206,.25);border-radius:28px;padding:28px;text-align:center;font-weight:700}.contact-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:34px}.contact-form{background:var(--soft);border-radius:var(--radius);padding:28px;border:1px solid var(--line)}.contact-form label{display:block;font-weight:700;margin:12px 0 6px}.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:12px 14px;border:1px solid #ccd7df;border-radius:10px;font:inherit}.contact-form textarea{min-height:150px}.btn{display:inline-block;border:0;background:var(--blue);color:#fff!important;padding:12px 20px;border-radius:999px;font-weight:700;cursor:pointer}.btn:hover{background:var(--blue-dark)}.hp{display:none!important}.site-footer{background:#fff;border-top:1px solid var(--line);padding:52px 24px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:30px;max-width:var(--max);margin:0 auto}.footer-logo{width:140px}.footer-grid h4{color:var(--blue);margin:0 0 14px}.footer-grid ul{list-style:none;padding:0;margin:0}.footer-grid li{margin:7px 0}.panorama{width:100%;height:210px;object-fit:cover;display:block}.legal{max-width:900px;margin:0 auto}.legal h1{font-size:44px;color:var(--blue)}.legal h2{color:var(--blue);margin-top:32px}.notice{background:#fff8e8;border:1px solid #f0d28a;border-radius:14px;padding:16px 18px;color:#5b4a1f}.footer-meta{max-width:var(--max);margin:28px auto 0;border-top:1px solid var(--line);padding-top:18px;color:var(--muted);font-size:13px;line-height:1.55}.footer-meta div+div{margin-top:2px}
@media(max-width:1200px){.main-nav ul{gap:14px}.main-nav a{font-size:19px}.brand img{width:105px}.header-inner{gap:20px}}
@media(max-width:980px){.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:16px 24px}.main-nav.open{display:block}.main-nav ul{flex-direction:column;align-items:flex-start;gap:12px;white-space:normal}.main-nav a{font-size:20px}.header-inner{padding:8px 18px}.hero{min-height:520px}.hero-card{margin:0 24px}.cards,.products,.video-grid,.locations,.contact-grid,.footer-grid{grid-template-columns:1fr}.features{grid-template-columns:1fr}.features img{justify-self:start}.band{padding:80px 24px;background-attachment:scroll}}
@media(max-width:640px){.section{padding:56px 18px}.hero-card{padding:28px}.brand img{width:92px}.card img{height:210px}}

/* v2: Förderblock und Fokus-Überschrift sauber trennen */
.focus-section{padding-top:44px}
.focus-title{text-align:left;margin-top:46px!important;margin-bottom:18px!important}
.foerder .logos{margin-bottom:22px}


/* v4: Projekt-/Fokusblock zentrieren und Bilder nicht beschneiden */
.focus-section .lead.center{max-width:900px;margin-left:auto!important;margin-right:auto!important;text-align:center!important}
.focus-section .focus-title{text-align:center!important;margin-left:auto!important;margin-right:auto!important}
.cards .card > img{height:auto!important;object-fit:contain!important}
.product.card > img{height:auto!important;object-fit:contain!important}

/* v5: Netzwerkpartner-Grafik vollständig anzeigen, nicht beschneiden */
.panorama{
  height:auto!important;
  max-height:none!important;
  object-fit:contain!important;
  object-position:center!important;
  background:#fff!important;
}

.optional{font-weight:400;color:#6b7a90;font-size:.85em}.contact-form select{appearance:auto;background:#fff}

.contact-form .btn{display:block;margin:22px auto 0}

/* v12: DE/EN Sprachumschaltung */
.lang-switch{display:flex!important;gap:8px!important;align-items:center;white-space:nowrap}.lang-switch .sep{color:var(--muted);font-weight:400}.lang-switch a{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif!important;font-size:14px!important;font-weight:700;padding:0;background:transparent;border:0;border-radius:0;color:var(--blue)!important;text-decoration:none}.lang-switch a:hover{text-decoration:underline}.lang-switch a.active{color:var(--blue-dark)!important;text-decoration:underline;text-underline-offset:4px}
@media(max-width:980px){.lang-switch{margin-top:6px}}