/* ... (dein bisheriges CSS einfügen, wie im Ausgangspost) ... */

/* --- Burger Menü Styles --- */
.mobile-nav {
  display: none;
  align-items: center;
  justify-content: space-between;
  background: #4267B2;
  color: #fff;
  padding: 0 20px;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.mobile-nav .logo {
  font-weight: 700;
  font-size: 20px;
}
.mobile-nav .burger {
  background: none;
  border: none;
  cursor: pointer;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  z-index: 101;
}
.mobile-nav .burger span {
  display: block;
  width: 25px;
  height: 3px;
  background: #fff;
  border-radius: 2px;
  transition: 0.3s;
}
.mobile-menu {
  display: none;
  flex-direction: column;
  background: #f0f2f5;
  position: absolute;
  top: 56px;
  left: 0;
  right: 0;
  box-shadow: 0 4px 10px rgba(0,0,0,0.06);
  padding: 20px 0;
  z-index: 100;
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu a {
  color: #4267B2;
  text-decoration: none;
  padding: 15px 30px;
  font-size: 18px;
  font-weight: 600;
  transition: background 0.2s;
}
.mobile-menu a:hover {
  background: #e4e6eb;
}

  .mobile-nav { display: flex; }
  header { margin-top: 56px; }

@media (max-width: 600px) {
  .mobile-nav { display: flex; }
  .container { margin-top: 0; }
}

/* Burger X Animation */
.burger.active span:nth-child(1) {
  transform: rotate(45deg) translateY(7px);
}
.burger.active span:nth-child(2) {
  opacity: 0;
}
.burger.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-7px);
}