:root {
  --gruen: #3DA639;
  --gruen-dunkel: #247A33;
  --gruen-tief: #1B4D2E;
  --gruen-hell: #E8F4E6;
  --rot: #E53229;
  --text: #16201A;
  --grau: #56635A;
  --linie: #DCE5DA;
  --bg: #FFFFFF;
  --bg2: #F6F9F5;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; font-size: 17px; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gruen-dunkel); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Kopf */
header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: blur(6px); border-bottom: 1px solid var(--linie); }
.kopf { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 72px; }
.kopf .logo img { height: 46px; width: auto; }
nav ul { list-style: none; display: flex; gap: 26px; margin: 0; padding: 0; }
nav a { color: var(--text); text-decoration: none; font-weight: 600; font-size: 15px; }
nav a:hover { color: var(--gruen-dunkel); }
.knopf { display: inline-flex; align-items: center; gap: 8px; background: var(--gruen-dunkel); color: #fff; text-decoration: none; font-weight: 700; padding: 11px 18px; border-radius: 10px; border: 2px solid var(--gruen-dunkel); font-size: 15px; white-space: nowrap; }
.knopf:hover { background: var(--gruen-tief); border-color: var(--gruen-tief); }
.knopf.hell { background: transparent; color: #fff; border-color: rgba(255,255,255,.7); }
.knopf.hell:hover { background: rgba(255,255,255,.12); }
.menue-knopf { display: none; background: none; border: 0; font-size: 26px; cursor: pointer; color: var(--text); }

/* Start */
.held { background: linear-gradient(135deg, var(--gruen-tief) 0%, #23603A 60%, var(--gruen-dunkel) 100%); color: #fff; padding: 84px 0 76px; position: relative; overflow: hidden; }
.held::after { content: ""; position: absolute; right: -120px; top: -80px; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(61,166,57,.35), transparent 65%); }
.held .wrap { position: relative; z-index: 1; }
.held .kicker { display: inline-block; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; color: #BFE6B8; margin-bottom: 14px; }
.held h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.12; margin: 0 0 18px; max-width: 760px; letter-spacing: -.01em; }
.held p { font-size: clamp(17px, 2vw, 20px); max-width: 680px; color: #E4F1E1; margin: 0 0 30px; }
.held .knoepfe { display: flex; gap: 12px; flex-wrap: wrap; }
.held .knoepfe .knopf:not(.hell) { background: #fff; color: var(--gruen-tief); border-color: #fff; }
.held .knoepfe .knopf:not(.hell):hover { background: var(--gruen-hell); }

.qualis { background: var(--bg2); border-bottom: 1px solid var(--linie); }
.qualis ul { list-style: none; margin: 0; padding: 18px 0; display: flex; flex-wrap: wrap; gap: 10px 28px; justify-content: center; }
.qualis li { font-weight: 600; font-size: 14.5px; color: var(--grau); display: flex; align-items: center; gap: 8px; }
.qualis li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--gruen); flex: none; }

/* Abschnitte */
section { padding: 80px 0; }
section.grau { background: var(--bg2); }
.titel { max-width: 720px; margin-bottom: 40px; }
.titel .kicker { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; font-weight: 800; color: var(--gruen-dunkel); }
.titel.rot .kicker { color: var(--rot); }
.titel h2 { font-size: clamp(28px, 3.6vw, 38px); line-height: 1.15; margin: 8px 0 12px; letter-spacing: -.01em; }
.titel p { color: var(--grau); margin: 0; font-size: 18px; }

.karten { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.karten.vier { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.karte { background: #fff; border: 1px solid var(--linie); border-radius: 14px; padding: 24px 22px; }
.karte .icon { width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center; background: var(--gruen-hell); color: var(--gruen-dunkel); margin-bottom: 14px; }
.karte.brand .icon { background: #FDECEA; color: var(--rot); }
.karte h3 { margin: 0 0 8px; font-size: 19px; line-height: 1.3; }
.karte p { margin: 0; color: var(--grau); font-size: 15.5px; }

.schritte { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; counter-reset: s; }
.schritt { padding: 24px 22px; border-left: 4px solid var(--gruen); background: #fff; border-radius: 0 12px 12px 0; }
.schritt h3 { margin: 0 0 6px; font-size: 19px; }
.schritt h3::before { counter-increment: s; content: counter(s) ". "; color: var(--gruen-dunkel); }
.schritt p { margin: 0; color: var(--grau); font-size: 15.5px; }

.digital { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: center; background: var(--gruen-tief); color: #fff; border-radius: 18px; padding: 40px; }
.digital h2 { margin: 6px 0 12px; font-size: clamp(24px, 3vw, 32px); line-height: 1.2; }
.digital p { color: #DCEBD8; margin: 0 0 12px; }
.digital ul { margin: 0; padding-left: 20px; color: #DCEBD8; }
.digital .kicker { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; font-weight: 800; color: #9BD58F; }
.digital .rechts { text-align: center; }
.digital .rechts .knopf { background: #fff; color: var(--gruen-tief); border-color: #fff; }
.digital .rechts small { display: block; margin-top: 10px; color: #A9C9A4; }

.ueber { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; align-items: start; }
.ueber p { color: var(--grau); margin: 0 0 14px; font-size: 17.5px; }
.ueber p strong { color: var(--text); }
.ueber .box { background: #fff; border: 1px solid var(--linie); border-radius: 14px; padding: 26px; }
.ueber .box h3 { margin: 0 0 4px; font-size: 22px; }
.ueber .box .rolle { color: var(--grau); margin: 0 0 14px; }
.ueber .box ul { margin: 0; padding-left: 20px; }
.ueber .box li { margin: 4px 0; }

.kontakt { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.kontakt .karte a { font-weight: 700; font-size: 18px; text-decoration: none; word-break: break-word; }

footer { background: #0F1A13; color: #A9B8AC; padding: 34px 0; font-size: 14.5px; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; }
footer a { color: #DCE8DE; text-decoration: none; margin-left: 18px; }
footer a:first-child { margin-left: 0; }

/* Rechtstexte */
.recht { max-width: 820px; padding: 56px 20px 80px; margin: 0 auto; }
.recht h1 { font-size: 34px; margin: 0 0 24px; }
.recht h2 { font-size: 21px; margin: 32px 0 8px; }
.recht p, .recht li { color: #2B3A30; }

@media (max-width: 920px) {
  .karten, .karten.vier, .schritte, .kontakt { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .digital, .ueber { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .menue-knopf { display: block; }
  nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--linie); }
  nav.offen { display: block; }
  nav ul { flex-direction: column; gap: 0; padding: 8px 20px 16px; }
  nav li a { display: block; padding: 10px 0; font-size: 17px; }
  .kopf .knopf { display: none; }
  .karten, .karten.vier, .schritte, .kontakt { grid-template-columns: 1fr; }
  section { padding: 56px 0; }
  .held { padding: 56px 0 52px; }
  .digital { padding: 28px 22px; }
  .kopf .logo img { height: 40px; }
}