nav {
  position: fixed;
  top: 0;
  width: 100%;
  height: 60px;
  background: rgba(67, 67, 68, 0.6); 
  backdrop-filter: saturate(180%) blur(25px);
  -webkit-backdrop-filter: saturate(180%) blur(25px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 40px;
  margin: 0;
  padding: 0;
}

nav li {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.5px;
}

nav a {
  text-decoration: none;
  color: #ffffff;
  opacity: 0.9;
  transition: opacity 0.3s, color 0.3s;
}

nav a:hover {
  color: #ffffff;
  opacity: 1;
}

/* Burger */
.burger {
  display: none;
  font-size: 28px;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  z-index: 1100;
}

/* --- Mobile --- */
@media (max-width: 768px) {
  .burger {
    display: block; /* Burger sichtbar */
    font-size: 2.5rem;
  }

  nav ul {
    flex-direction: column; /* Links untereinander */
    align-items: center;
    background: rgba(2, 2, 3, 0.9);
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    padding: 20px 0;
    gap: 20px;
    display: none; /* unsichtbar */
    backdrop-filter: saturate(180%) blur(50px);
    -webkit-backdrop-filter: saturate(180%) blur(50px);
  }

  nav ul.show {
    display: flex; /* sichtbar nach Klick */
  }

  nav li {
    font-size: 1.5rem;
  }
}

.top-position-navbar-placeholder {
  height: 60px;
  width: 100%;
  background-color: black;
}