.ech-nav{
  position: fixed;
  top: var(--header-h);
  right: 0px;
  z-index: 950;

  height: var(--nav-h);
  display: flex;
  align-items: center;

  background: rgb(0,84,134);
  color: rgb(255,255,255);
  font-size: 14px;
}

.ech-nav-list{
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  margin: 0px;
  padding: 0px;
  list-style: none;
  white-space: nowrap;
}

.ech-nav-item{ margin:0px; padding:0px; }

.ech-nav-link{
  display:block;
  padding:10px 14px;
  text-decoration:none;
  color: rgb(242,242,242);
  background: rgb(0,84,134);
}
.ech-nav-link:hover,
.ech-nav-link:focus{
  background: rgb(40,60,120);
  color: rgb(242,242,242);
  text-decoration: none;
}
.ech-nav-link.is-active{
  background: rgb(40,60,120);
  color: rgb(242,242,242);
}

@media (prefers-color-scheme: dark){
  .ech-nav{
    background: rgb(242,242,242);
    color: rgb(0,84,134);
  }
  .ech-nav-link{
    color: rgb(0,84,134);
    background: rgb(242,242,242);
  }
  .ech-nav-link:hover,
  .ech-nav-link:focus,
  .ech-nav-link.is-active{
    background: rgb(217,217,217);
    color: rgb(0,84,134);
  }
}

@media (max-width: 768px){
  .ech-nav{ left:0px; right:0px; }
  .ech-nav-list{
    overflow-x:auto;
    -webkit-overflow-scrolling: touch;
  }
  .ech-nav-link{ padding:10px 12px; }
}

.ech-nav-item.has-sub{ position: static; }

.ech-submenu{
  position: fixed;
  left: 0px; right: 0px;
  top: calc(var(--header-h) + var(--nav-h) + var(--gap-bridge));
  z-index: 940;
  display: none;

  background: rgb(0,84,134);
  color: rgb(242,242,242);
  padding: 20px;
  box-sizing: border-box;
}

.ech-submenu::before{
  content:"";
  position:absolute;
  left:0px; right:0px;
  top: calc(-1 * var(--gap-bridge));
  height: var(--gap-bridge);
  background: transparent;
  pointer-events: auto;
}

.ech-submenu-inner{
  display: grid;
  grid-template-columns: repeat(4, minmax(0px, 1fr));
  gap: 20px;
}

.ech-submenu-item{ margin:0px; padding:0px; }

.ech-submenu-link{
  display:block;
  font-size:14px;
  padding:8px 12px;
  text-decoration:none;
  background: rgb(0,84,134);
  color: rgb(242,242,242);
}
.ech-submenu-link:hover,
.ech-submenu-link:focus{ text-decoration: underline; }

.ech-nav-item.has-sub:hover > .ech-submenu,
.ech-submenu:hover{ display:block; }

@media (prefers-color-scheme: dark){
  .ech-submenu{
    background: rgb(242,242,242);
    color: rgb(0,84,134);
  }
  .ech-submenu-link{
    background: rgb(242,242,242);
    color: rgb(0,84,134);
  }
}


@media (max-width: 640px){
  .ech-submenu-inner{ grid-template-columns: repeat(2, minmax(0px, 1fr)); }
}




.ech-nav-item.has-sub.keyboard-open > .ech-submenu{ display:block; }


/* Klickziele am Handy größer */
@media (max-width: 999px) {
  .ech-nav-link { min-height: 44px; line-height: 24px; }
}

/* Submenü-Gitter: 4 → 3 → 2 Spalten */
@media (max-width: 800px) {
  .ech-submenu-inner { grid-template-columns: repeat(3, minmax(0px, 1fr)); }
}
@media (max-width: 700px) {
  .ech-submenu-inner { grid-template-columns: repeat(2, minmax(0px, 1fr)); }
}

/* Mobile Panel (unter 1000 px) ist bereits drin; hier noch Scrollkomfort */
@media (max-width: 995px) {
  .ech-nav-list {
    -webkit-overflow-scrolling: touch;
  }
  
@media (max-width: 999px){
  .ech-nav{ left:0px; right:0px; top:100px; }
  .ech-nav-toggle{ display:inline-flex !important; }
  .ech-nav-list{ display:none !important; }
  .nav-open .ech-nav-list{ display:block !important; }
}