/***********************************************************
 * AirTheme — Main Menu
 ***********************************************************/

/* Container */
.main-menu {
  text-align: center;
  padding: 10px 0 20px;
}

/* Item list */
.main-menu .menu-items {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Desktop separators */
.main-menu .menu-items li + li::before {
  content: "|";
  color: rgba(0, 0, 0, 0.3);
  margin: 0 10px;
  font-weight: 300;
}

/* Menu links */
.main-menu .menu-items a {
  display: inline-block;
  color: #222;
  text-decoration: none;
  font-weight: 500;

  padding: 8px 14px;
  border-radius: 8px;

  transition:
    color .25s ease,
    background .25s ease,
    transform .25s ease,
    box-shadow .25s ease;
}

/* Hover (Glass UI) */
.main-menu .menu-items a:hover {
  color: var(--accent-color);
  background: rgba(255,255,255,0.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);

  box-shadow:
    0 2px 6px rgba(0,0,0,0.29),
    2px 2px 8px rgba(0,0,0,0.13),
    inset 0 1px 2px rgba(255,255,255,0.6),
    inset 0 -1px 2px rgba(0,0,0,0.15);

  transform: translateY(-1px);
}

/***********************************************************
 * AirTheme — Sub Menu (Dropdown)
 ***********************************************************/

/* Parent item */
.main-menu .menu-items li {
  position: relative;
}

/* Submenu container */
.main-menu .menu-items .sub-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);

  min-width: 220px;
  padding: 10px 0;
  margin: 0;

  list-style: none;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  border-radius: 12px;
  box-shadow:
    0 12px 32px rgba(0,0,0,0.18),
    inset 0 1px 1px rgba(255,255,255,0.6);

  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  transition: all .25s ease;
  z-index: 999;
}

/* Show submenu on hover */
.main-menu .menu-items li:hover > .sub-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* Submenu items */
.main-menu .menu-items .sub-menu li {
  width: 100%;
}

/* Submenu links */
.main-menu .menu-items .sub-menu a {
  display: block;
  padding: 8px 18px;
  font-size: 14px;
  color: #222;
  text-align: left;
  border-radius: 0;
}

/* Hover inside submenu */
.main-menu .menu-items .sub-menu a:hover {
  background: rgba(0,0,0,0.06);
  color: var(--accent-color);
}

/***********************************************************
 * AirTheme — Mobile Menu Toggle
 ***********************************************************/

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  cursor: pointer;

  width: 30px;
  height: 24px;
  margin-left: auto;
}

.menu-toggle span {
  height: 3px;
  background: #333;
  margin: 3px 0;
  border-radius: 2px;
  transition: all .3s ease;
}

/* Cross animation */
.menu-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}