/* ── Shared site styles: mobile nav ── */

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 200;
  position: relative;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #e8e8f0;
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  #main-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 15, 0.97);
    z-index: 100;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
  }

  #main-nav.open {
    display: flex;
  }

  #main-nav a {
    font-size: 1.5rem;
    margin-left: 0;
    color: #e8e8f0;
    text-decoration: none;
  }

  #main-nav a:hover {
    color: #ff4d4d;
  }
}