.st-kooperation{--st-koop-radius:22px;}
.st-koop-container{max-width:1180px;margin:0 auto;padding:0 24px;box-sizing:border-box;}
@media(max-width:640px){.st-koop-container{padding:0 16px;}}
.st-koop-hero{padding:28px 0 6px;}
.st-koop-hero-inner{display:grid;grid-template-columns:1.3fr .7fr;gap:18px;align-items:stretch;}
@media(max-width:900px){.st-koop-hero-inner{grid-template-columns:1fr;}}
.st-koop-hero-copy{padding:28px;background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(248,250,252,.94));border-radius:22px;box-shadow:0 16px 46px rgba(15,23,42,.12);border:1px solid rgba(37,99,235,.14);}
.st-koop-kicker{font-size:.75rem;letter-spacing:.16em;font-weight:800;color:#2563eb;margin-bottom:8px;}
.st-koop-title{font-size:clamp(2rem,3.2vw,2.6rem);line-height:1.08;margin:0 0 10px;}
.st-koop-subtitle{color:#475569;line-height:1.55;max-width:760px;margin:0 0 16px;}
.st-koop-cta-row{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 12px;}
.st-koop-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:16px;text-decoration:none;font-weight:800;background:#1e6ebe;color:#fff;box-shadow:0 10px 28px rgba(30,110,190,.22);}
.st-koop-btn--ghost{background:rgba(30,110,190,.08);color:#0f2a3d;box-shadow:none;border:1px solid rgba(30,110,190,.18);}
.st-koop-btn--full{width:100%;margin-top:10px;}
.st-koop-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.st-koop-badge{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:rgba(15,23,42,.04);border:1px solid rgba(15,23,42,.06);font-weight:700;}
.st-koop-hero-card{padding:22px;border-radius:22px;background:rgba(255,255,255,.92);border:1px solid rgba(15,23,42,.08);box-shadow:0 18px 55px rgba(15,23,42,.10);backdrop-filter:blur(6px);}
.st-koop-section{padding:22px 0;}
.st-koop-h2{margin:0 0 14px;font-size:1.55rem;}
.st-koop-h3{margin:0 0 8px;font-size:1.08rem;}
.st-koop-lead{color:#475569;line-height:1.6;margin:0 0 14px;}
.st-koop-note{color:#64748b;font-size:.95rem;margin:10px 0 0;}
.st-koop-offers{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
@media(max-width:980px){.st-koop-offers{grid-template-columns:1fr;}}
.st-koop-offer{padding:18px;border-radius:22px;background:rgba(255,255,255,.92);border:1px solid rgba(15,23,42,.08);box-shadow:0 10px 34px rgba(0,0,0,.06);}
.st-koop-offer--featured{border:1px solid rgba(250,204,21,.42);box-shadow:0 18px 48px rgba(15,23,42,.12);}
.st-koop-offer__head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px;}
.st-koop-pill{display:inline-flex;padding:6px 10px;border-radius:999px;font-weight:900;font-size:.85rem;background:rgba(30,110,190,.10);border:1px solid rgba(30,110,190,.16);}
.st-koop-pill--gold{background:linear-gradient(90deg,#fde047,#facc15);border-color:rgba(250,204,21,.45);}
.st-koop-faq{display:grid;gap:10px;}
.st-koop-faq-item{border-radius:18px;background:rgba(255,255,255,.92);border:1px solid rgba(15,23,42,.08);box-shadow:0 10px 34px rgba(0,0,0,.06);padding:12px 14px;}
.st-koop-faq-item summary{cursor:pointer;font-weight:900;}
.st-koop-faq-body{margin-top:8px;color:#475569;line-height:1.6;}