nav {
  position: fixed;
  left: 0;
  z-index: 3;
  height: 6%;
  width: 100%;
  background-color: rgba(5, 21, 37, 0.5);
  padding: 1rem 0;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  position: absolute;
  right: 90%;
  top: 1rem;
  z-index: 4;
  cursor: pointer;
}

nav ul {
  list-style: none;
  font-size: clamp(1rem, 1.2vw, 1.6rem);
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 1rem;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav a.active {
  color: #ffde59;
}

@media (max-width: 900px) {
  nav ul {
    font-size: 1.2rem !important;
    flex-direction: column;
    gap: 1rem;
    background: rgba(5, 21, 37, 0.98);
    position: fixed;
    top: 0;
    left: 0;
    width: 70vw;
    max-width: 320px;
    height: 80vh;
    padding-top: 0;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    box-shadow: 2px 0 8px rgba(0,0,0,0.2);
  }
  nav ul.open {
    transform: translateX(1vw);
    padding-left: 3rem;
  }
  .nav-toggle {
    display: block;
  }
  nav {
    background: transparent;
  }
}