/* ============================================================
   Header Navigation — #nav
   Fixed top bar with dropdown submenus
   Based on Shoka design
   ============================================================ */

/* ---- Nav container ---- */
#nav {
  position: fixed;
  z-index: var(--zindex-2);
  width: 100%;
  height: 3.125rem;
  transition: all var(--transition-duration) var(--transition-ease);
}

/* Hide/show on scroll */
#nav.up {
  transform: translateY(0);
}
#nav.down {
  transform: translateY(-100%);
}

/* Scrolled state — visible background */
#nav.show {
  background: var(--nav-bg);
  box-shadow: 0.1rem 0.1rem 0.2rem var(--grey-9-a1);
  text-shadow: 0 0 0.0625rem var(--grey-9-a1);
  color: var(--text-color);
}

#nav.show .line {
  background: var(--text-color);
  box-shadow: 0 0 0.0625rem var(--grey-9-a1);
}

#nav.show .item.active > a,
#nav.show .item.expand > a {
  color: var(--color-aqua);
  opacity: 1;
}

#nav.show .menu .submenu {
  background-color: var(--grey-1);
}
#nav.show .menu .submenu .item.active a {
  color: var(--grey-0);
  opacity: 1;
}

/* ---- Inner ---- */
#nav .inner {
  height: 100%;
  display: flex;
  width: 70%;
  flex-wrap: nowrap;
  margin: 0 auto;
}



/* ---- Hamburger toggle ---- */
#nav .toggle {
  display: none;
}

@media (max-width: 768px) {
  #nav .toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

#nav .toggle .lines {
  padding: 1.25rem;
  width: 1.375rem;
  box-sizing: unset;
  cursor: pointer;
}

.line {
  display: block;
  width: 22px;
  height: 2px;
  margin: 4px 0;
  background: var(--header-text-color);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Animated X */
#nav .toggle.open .line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
#nav .toggle.open .line:nth-child(2) {
  opacity: 0;
}
#nav .toggle.open .line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---- Menu ---- */
#nav .menu {
  padding: 0.625rem 0;
  margin: 0;
  width: 100%;
  list-style: none;
  display: flex;
}

#nav .menu .item {
  display: inline-block;
  position: relative;
  padding: 0 0.625rem;
  letter-spacing: 0.0625rem;
  text-align: center;
}

#nav .menu .item .ic {
  margin-right: 0.5rem;
}

/* ---- Menu links ---- */
#nav .menu .item:not(.title) a {
  display: block;
  font-size: 0.9375rem;
  color: inherit;
  text-decoration: none;
  transition: all var(--transition-duration) var(--transition-ease);
  position: relative;
}

/* Hover underline animation */
#nav .menu .item:not(.title) a::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-image: linear-gradient(to right, var(--color-pink) 0, var(--color-orange) 100%);
  transition: width var(--transition-duration) var(--transition-ease);
}

#nav .menu .item.active:not(.dropdown) a::before,
#nav .menu .item:not(.dropdown):hover a::before {
  width: 70%;
}

/* Title item */
#nav .menu .item.title {
  margin-right: 0.5rem;
}
#nav .menu .item.title a {
  font-weight: 600;
  color: inherit;
  text-decoration: none;
}

/* ---- Dropdown ---- */
#nav .menu .item.dropdown > a::after {
  content: "";
  display: inline-block;
  margin-left: 0.3rem;
  vertical-align: middle;
  border: 0.3rem solid transparent;
  border-top-color: currentColor;
  border-bottom: 0;
  transition: transform var(--transition-duration) var(--transition-ease);
}

#nav .menu .item.dropdown.open > a::after {
  transform: rotate(180deg);
}

/* ---- Submenu ---- */
#nav .menu .submenu {
  display: none;
  position: absolute;
  margin-top: 0.5rem;
  padding: 0;
  width: max-content;
  background-color: var(--grey-9-a5);
  box-shadow: 0 0.3125rem 1.25rem -0.25rem var(--grey-9-a1);
  border-radius: 0.625rem 0;
  list-style: none;
  z-index: var(--zindex-1);
  animation: slideUpIn 0.2s ease;
}

@keyframes slideUpIn {
  from {
    opacity: 0;
    transform: translateY(0.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Click guard area above submenu */
#nav .menu .submenu::before {
  position: absolute;
  top: -1.25rem;
  left: 0;
  width: 100%;
  height: 2.5rem;
  content: "";
}

#nav .menu .submenu:hover,
#nav .menu .item.dropdown:hover .submenu,
#nav .menu .item.dropdown.open .submenu {
  display: block;
}

#nav .menu .submenu .item {
  display: block;
}

#nav .menu .submenu .item:first-child {
  border-radius: 0.625rem 0 0 0;
}
#nav .menu .submenu .item:last-child {
  border-radius: 0 0 0.625rem 0;
}

#nav .menu .submenu .item a {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  width: 100%;
  text-shadow: none;
  text-decoration: none;
  color: inherit;
}
#nav .menu .submenu .item a::before {
  content: none;
}

#nav .menu .submenu .item:hover a {
  transform: translateX(0.3rem);
}

#nav .menu .submenu .item:hover,
#nav .menu .submenu .item.active {
  background-image: linear-gradient(to right, var(--color-pink) 0, var(--color-orange) 100%);
}
#nav .menu .submenu .item:hover a,
#nav .menu .submenu .item.active a {
  color: var(--grey-0);
  opacity: 1;
}

/* ---- Right controls ---- */
#nav .right {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  list-style: none;
  gap: 0.25rem;
}

#nav .right .item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity var(--transition-duration) var(--transition-ease);
}
#nav .right .item:hover {
  opacity: 1;
}

#nav .right .item .ic {
  font-size: 1.1rem;
}

/* ============================================================
   Responsive — Mobile
   ============================================================ */
@media (max-width: 768px) {
  #nav .menu .item {
    display: none;
  }
  #nav .menu .item.title {
    display: block;
  }

  /* Mobile menu open */
  #nav.mobile-open .menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--nav-bg);
    padding: 0.5rem 1.25rem;
    box-shadow: 0 0.5rem 1rem var(--grey-9-a1);
  }
  #nav.mobile-open .menu .item {
    display: block;
    padding: 0.5rem 0;
  }

  #nav.mobile-open .menu .submenu {
    position: static;
    background: transparent;
    box-shadow: none;
    margin-top: 0.25rem;
    padding-left: 1rem;
  }
  #nav.mobile-open .menu .item.dropdown.open .submenu {
    display: block;
  }
}