/* ==========================================================================
   Sektion: Ihre Vorteile – Kennzahlen (hellgrau)
   Vier Kennzahlen in einer Karte mit Trennlinien, Klick klappt Details darunter auf
   ========================================================================== */
.bn-intro { max-width: 860px; margin: 0 auto clamp(36px, 4vw, 52px); text-align: center; }
.contentblock.lp-benefit-grid h3.headline-jost { color: var(--muted); }
.lp-benefit-grid .bn-intro h2 { margin-bottom: 0; font-size: clamp(1.9rem, 3.6vw, 3rem); font-weight: 800; letter-spacing: -1px; line-height: 1.12; }

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.benefit-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 15em;
  padding: 2.4em 1.6em;
  text-align: center;
  cursor: pointer;
  transition: background .2s;
}
.benefit-tile + .benefit-tile { border-left: 1px solid var(--line); }
.benefit-tile:hover { background: var(--green-soft); }
.benefit-praefix { margin-bottom: .2em; color: var(--muted); font-size: .85em; letter-spacing: .08em; text-transform: uppercase; }
.benefit-zahl { margin-bottom: .2em; color: var(--green); font-size: clamp(3rem, 5vw, 4.6rem); font-weight: 800; letter-spacing: -1.5px; line-height: 1; }
.benefit-text { max-width: 15em; margin: 0; color: var(--ink); font-size: 1.05em; line-height: 1.55; }

/* Info-Link: unauffällig, erscheint beim Darüberfahren bzw. bei Tastaturfokus */
.benefit-info {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 2px solid var(--green);
  border-radius: 50%;
  color: var(--green);
  font-size: .85rem;
  font-weight: 800;
  line-height: 1;
  opacity: 0;
  transition: opacity .2s, background .2s, color .2s;
}
.benefit-tile:hover .benefit-info, .benefit-info:focus-visible { opacity: 1; }
.benefit-info:hover { background: var(--green); color: #fff; }
@media (hover: none) { .benefit-info { opacity: .7; } }

/* Detailbereich unter den Kacheln (klappt animiert auf) */
.benefit-tile.is-active { background: var(--green-soft); }
.benefit-tile.is-active::after {
  position: absolute; left: 50%; bottom: 0;
  width: 44px; height: 4px; border-radius: 4px 4px 0 0;
  content: ""; background: var(--green);
  transform: translateX(-50%);
}
.benefit-tile.is-active .benefit-info { opacity: 1; background: var(--green); color: #fff; }
.bn-details { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s cubic-bezier(.2, .8, .3, 1); }
.bn-details.is-open { grid-template-rows: 1fr; }
.bn-details-inner {
  position: relative;
  min-height: 0;
  overflow: hidden;
  margin-top: 0;
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transition: margin-top .45s cubic-bezier(.2, .8, .3, 1), opacity .3s ease;
}
.bn-details.is-open .bn-details-inner { margin-top: 20px; opacity: 1; border: 1px solid var(--line); }
.bn-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
  gap: 32px;
  align-items: center;
  padding: 28px 64px 28px 32px;
}
.bn-detail.is-entering { animation: bnd-in .4s cubic-bezier(.2, .8, .3, 1) both; }
@keyframes bnd-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.contentblock .bn-detail h3 { margin: 0 0 .4em; color: var(--green); font-size: 1.25em; font-weight: 800; }
.bnd-copy { color: var(--body); font-size: .98em; line-height: 1.65; }
.bnd-copy p:last-child { margin-bottom: 0; }
.bnd-copy strong { color: var(--green); }
.bnd-bild img { display: block; width: 100%; height: 170px !important; border-radius: var(--radius); object-fit: cover; }
.bnd-grafik { text-align: center; }
.bnd-grafik img { display: inline-block; width: auto; height: 190px !important; max-width: 100%; object-fit: contain; }
.bn-detail[data-detail="2"] { padding-right: 72px; }
.bnd-firmen { display: grid; grid-template-columns: 1fr; gap: 8px; }
.bnd-firma { display: flex; align-items: center; gap: 12px; padding: 6px 12px 6px 6px; border: 1px solid var(--line); border-radius: 12px; }
.bnd-firma-logo { flex: 0 0 64px; height: 44px; display: grid; place-items: center; }
.bnd-firma-logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
.bnd-firma-info { display: flex; flex-direction: column; line-height: 1.3; }
.bnd-firma-info strong { color: var(--ink); font-size: .85em; }
.bnd-firma-info span { color: var(--green); font-size: .82em; font-weight: 700; }
.bn-close {
  position: absolute; top: 14px; right: 14px; z-index: 2;
  width: 34px; height: 34px; padding: 0 0 2px;
  border: 0; border-radius: 50%;
  background: var(--green-soft); color: var(--green);
  font: 400 22px/1 Arial, sans-serif;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.bn-close:hover { background: var(--green); color: #fff; }

.bn-aktionen { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-top: clamp(32px, 4vw, 48px); }

@media (max-width: 991px) {
  .benefit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .benefit-tile:nth-child(3) { border-left: 0; }
  .benefit-tile:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 767px) {
  .bn-detail { grid-template-columns: 1fr; gap: 18px; padding: 24px 22px; }
  .contentblock .bn-detail h3 { padding-right: 36px; }
}
@media (max-width: 575px) {
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit-tile { min-height: 0; padding: 2em 1.4em; }
  .benefit-tile + .benefit-tile { border-left: 0; border-top: 1px solid var(--line); }
  .bn-aktionen > a { width: 100%; justify-content: center; }
}