/* ─── Branchen + Anwendungsfälle Dropdown ───────────────────── */
/* Scoped auf nav, damit Footer-Links nicht betroffen sind       */

nav .nav-dropdown {
  position: relative;
}

nav .nav-subnav {
  --nav-dropdown-shift: 188px;
  position: absolute;
  top: calc(100% + 16px);
  left: 50%;
  width: min(750px, calc(100vw - 170px));
  transform: translateX(calc(-50% + var(--nav-dropdown-shift))) translateY(-6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 999;
}

nav .nav-subnav::before {
  content: '';
  position: absolute;
  top: -16px;
  left: 0;
  right: 0;
  height: 16px;
}

nav .nav-dropdown:hover .nav-subnav,
nav .nav-dropdown:focus-within .nav-subnav {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(calc(-50% + var(--nav-dropdown-shift))) translateY(0);
}

nav .nav-subnav-panel {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  gap: 0;
  background: #ffffff;
  border: 1px solid rgba(14, 0, 72, 0.07);
  border-radius: 18px;
  box-shadow:
    0 4px 10px -2px rgba(14, 0, 72, 0.05),
    0 14px 38px -8px rgba(14, 0, 72, 0.12);
  padding: 18px 0 18px 20px;
}

nav .nav-subnav-group {
  min-width: 0;
}

nav .nav-subnav-group--industries {
  border-left: 1px solid rgba(14, 0, 72, 0.07);
  padding-left: 18px;
  margin-left: 18px;
}

nav .nav-subnav-label {
  display: block;
  margin-bottom: 10px;
  font-size: 10.5px;
  font-weight: 600;
  color: rgba(14, 0, 72, 0.42);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

nav .nav-subnav-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

nav .nav-subnav-grid {
  display: grid;
  grid-template-columns: repeat(4, max-content);
  gap: 5px 26px;
}

nav .nav-subnav a {
  display: block;
  padding: 9px 7px;
  font-size: 12.25px;
  font-weight: 400;
  line-height: 1.35;
  color: rgba(14, 0, 72, 0.56);
  text-decoration: none;
  letter-spacing: 0.012em;
  border-radius: 10px;
  transition: color 0.13s ease, background 0.13s ease, transform 0.13s ease;
}

nav .nav-subnav-group--usecases a {
  color: rgba(14, 0, 72, 0.7);
}

nav .nav-subnav a:hover {
  color: #1e3ecd;
  background: rgba(30, 62, 205, 0.04);
  transform: translateX(1px);
}

/* Chevron-Pfeil beim Branchen-Link */
nav .nav-dropdown > a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

nav .nav-dropdown > a::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 2.5px solid transparent;
  border-right: 2.5px solid transparent;
  border-top: 3px solid rgba(14, 0, 72, 0.28);
  margin-top: 1px;
  flex-shrink: 0;
  transition: transform 0.16s ease, border-top-color 0.16s ease;
}

nav .nav-dropdown:hover > a::after,
nav .nav-dropdown:focus-within > a::after {
  transform: rotate(180deg);
  border-top-color: #1e3ecd;
}

nav .nav-dropdown:hover > a,
nav .nav-dropdown:focus-within > a {
  color: #0e0048;
}

@media (max-width: 1180px) {
  nav .nav-subnav {
    --nav-dropdown-shift: 142px;
    width: min(780px, calc(100vw - 72px));
  }

  nav .nav-subnav-panel {
    gap: 0;
    padding: 16px 18px;
  }

  nav .nav-subnav-group--industries {
    padding-left: 16px;
    margin-left: 16px;
  }

  nav .nav-subnav-grid {
    gap: 4px 6px;
  }
}

@media (max-width: 980px) {
  nav .nav-subnav {
    --nav-dropdown-shift: 96px;
    width: min(690px, calc(100vw - 32px));
  }

  nav .nav-subnav-panel {
    grid-template-columns: 1fr;
    gap: 0;
  }

  nav .nav-subnav-group--industries {
    border-left: 0;
    border-top: 1px solid rgba(14, 0, 72, 0.07);
    padding-left: 0;
    margin-left: 0;
    margin-top: 14px;
    padding-top: 14px;
  }

  nav .nav-subnav-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px 8px;
  }
}

/* ─── Mobile Subnav ─────────────────────────────────────────── */

.mobile-subnav {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0 0 0 10px;
  padding-left: 10px;
  border-left: 1.5px solid rgba(14, 0, 72, 0.1);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  transition: max-height 0.24s ease, opacity 0.18s ease, margin-top 0.18s ease;
}

.mobile-subnav-group {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.mobile-subnav-label {
  font-size: 10px;
  font-weight: 600;
  color: rgba(14, 0, 72, 0.4);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding-top: 4px;
}

.mobile-subnav a {
  font-size: 12px !important;
  font-weight: 300 !important;
  color: rgba(14, 0, 72, 0.44) !important;
  padding: 6px 0 !important;
  letter-spacing: 0.012em;
  text-decoration: none;
  transition: color 0.13s ease;
  line-height: 1.4;
}

.mobile-subnav a:hover {
  color: #1e3ecd !important;
}

.mobile-dropdown {
  border-bottom: 1px solid rgba(14, 0, 72, 0.05);
}

.mobile-dropdown summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 4px;
  font-size: 15px;
  font-weight: 300;
  color: #0e0048;
  cursor: pointer;
}

.mobile-dropdown summary::-webkit-details-marker {
  display: none;
}

.mobile-dropdown summary::marker {
  content: '';
}

.mobile-dropdown summary::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid rgba(14, 0, 72, 0.34);
  flex-shrink: 0;
  transition: transform 0.16s ease, border-top-color 0.16s ease;
}

.mobile-dropdown summary:hover {
  color: #1e3ecd;
}

.mobile-dropdown:hover summary::after,
.mobile-dropdown[open] summary::after,
.mobile-dropdown:focus-within summary::after {
  transform: rotate(180deg);
  border-top-color: #1e3ecd;
}

.mobile-dropdown:hover .mobile-subnav,
.mobile-dropdown[open] .mobile-subnav,
.mobile-dropdown:focus-within .mobile-subnav {
  max-height: 1200px;
  opacity: 1;
  pointer-events: auto;
  margin-top: 1px;
  margin-bottom: 8px;
}