/* Header styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  /*height: var(--header-height);*/
  height: 40px;
  /*background-color: rgba(12, 14, 17, 0.8);*/
  /*background-color: rgba(255, 255, 255, 0.8);*/
  backdrop-filter: blur(10px);
  z-index: var(--z-index-header);
  transition: background-color var(--transition-medium);
}

.header.white-bg {
  opacity: 0.92;
  background-color: var(--color-white);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo {
  height: 30px;
  display: block;
}

/* Navigation */
.nav {
  display: flex;
  height: 100%;
}

.nav-list {
  display: flex;
  height: 100%;
}

.nav-item {
  position: relative;
  height: 100%;
}

.nav-link {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 var(--spacing-md);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.white-bg .nav-link {
  color: var(--color-primary);
}

.nav-link:hover {
  color: var(--color-accent);
}

/* Mega Menu Styles */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-white);
  /*min-width: 800px;*/
  width: auto;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  padding: var(--spacing-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition:
    opacity var(--transition-medium),
    visibility var(--transition-medium),
    transform var(--transition-medium);
  z-index: var(--z-index-dropdown);
}

.nav-item:last-child .mega-menu,
.nav-item:nth-last-child(2) .mega-menu {
  right: 0;
  left: auto;
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-menu-container {
  display: flex;
  gap: var(--spacing-lg);
}

.mega-menu-column {
  flex: 1;
  min-width: 120px;
}

.mega-menu-featured {
  flex: 1.5;
  min-width: 180px;
}

.mega-menu-title {
  font-size: var(--font-size-md);
  color: var(--color-primary);
  font-weight: bold;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.dropdown-item {
  position: relative;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.dropdown-link {
  display: block;
  padding: var(--spacing-xs) 0;
  color: var(--color-dark-gray);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.dropdown-link:hover {
  color: var(--color-accent);
}

/* Mega menu product styles */
.mega-menu-product {
  background-color: rgba(0, 0, 0, 0.03);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  /*height: 100%;*/
  display: flex;
  flex-direction: column;
}

.mega-menu-image {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-sm);
}

.mega-menu-product-title {
  font-size: var(--font-size-md);
  font-weight: bold;
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.mega-menu-product-desc {
  font-size: var(--font-size-sm);
  color: var(--color-dark-gray);
  margin-bottom: var(--spacing-md);
}

.mega-menu-btn {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  transition: background-color var(--transition-fast);
  margin-top: auto;
  text-align: center;
}

.mega-menu-btn:hover {
  background-color: var(--color-accent);
}

/* Third level dropdown styles */
.dropdown-item.has-children > .dropdown-link::after {
  content: '›';
  margin-left: var(--spacing-xs);
  font-size: var(--font-size-lg);
  line-height: 1;
  display: inline-block;
  transform: rotate(90deg);
  transition: transform var(--transition-fast);
}

.dropdown-item.has-children:hover > .dropdown-link::after {
  transform: rotate(90deg) translateX(2px);
}

.dropdown-submenu {
  position: absolute;
  top: 0;
  left: 100%;
  min-width: 180px;
  background-color: var(--color-white);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px);
  transition:
    opacity var(--transition-medium),
    visibility var(--transition-medium),
    transform var(--transition-medium);
  z-index: calc(var(--z-index-dropdown) + 1);
}

.dropdown-item.has-children:hover .dropdown-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

/* Mobile nav toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.hamburger {
  width: 24px;
  height: 18px;
  position: relative;
  transform: rotate(0deg);
  transition: 0.5s ease-in-out;
  cursor: pointer;
}

.hamburger span {
  display: block;
  position: absolute;
  height: 2px;
  width: 100%;
  background: var(--color-white);
  border-radius: 9px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: .25s ease-in-out;
}

.white-bg .hamburger span {
  background: var(--color-primary);
}

.hamburger span:nth-child(1) {
  top: 0px;
}

.hamburger span:nth-child(2), .hamburger span:nth-child(3) {
  top: 8px;
}

.hamburger span:nth-child(4) {
  top: 16px;
}

.nav-open .hamburger span:nth-child(1) {
  top: 8px;
  width: 0%;
  left: 50%;
}

.nav-open .hamburger span:nth-child(2) {
  transform: rotate(45deg);
}

.nav-open .hamburger span:nth-child(3) {
  transform: rotate(-45deg);
}

.nav-open .hamburger span:nth-child(4) {
  top: 8px;
  width: 0%;
  left: 50%;
}

/* Utility nav - top right links */
.utility-nav {
  display: flex;
  align-items: center;
}

.utility-nav .nav-link {
  padding: 0 var(--spacing-sm);
  font-size: var(--font-size-xs);
}

.search-btn {
  margin-left: var(--spacing-sm);
  cursor: pointer;
}

.search-icon {
  width: 18px;
  height: 18px;
}

/* Media queries for responsive header */
@media (max-width: 1200px) {
  .mega-menu {
    min-width: 700px;
  }

  .mega-menu-column {
    min-width: 150px;
  }
}
@media (min-width: 992px) {
  .pc_nav{
    display: flex;
  }
  .mobile_nav{
    display:none;
  }
}
@media (max-width: 992px) {
  .pc_nav{
    display: none;
  }
  .mobile_nav{
    display: flex;
  }
  .nav {
    position: fixed;
    top:40px;
    left: 0;
    width: 100%;
    height: calc(100vh - 40px);
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-lg);
    transform: translateX(-100%);
    transition: transform var(--transition-medium);
    overflow-y: auto;
    z-index: var(--z-index-dropdown);
  }

  .nav-open .nav {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    height: auto;
    width: 100%;
  }

  .nav-item {
    height: auto;
    width: 100%;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  }

  .nav-link {
    padding: var(--spacing-md) 0;
    color: var(--color-primary);
    font-size: var(--font-size-md);
    justify-content: space-between;
  }

  .mega-menu {
    position: static;
    min-width: 100%;
    width: 100%;
    box-shadow: none;
    padding: 0 0 0 var(--spacing-md);
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
  }

  .mega-menu-container {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .mega-menu-column {
    width: 100%;
  }

  .nav-item.active .mega-menu {
    max-height: 2000px;
    padding: var(--spacing-md) 0 var(--spacing-md) var(--spacing-md);
  }

  .dropdown-submenu {
    position: static;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
    width: 100%;
    padding-left: var(--spacing-md);
  }

  .dropdown-item.active .dropdown-submenu {
    max-height: 1000px;
    padding: var(--spacing-xs) 0 var(--spacing-xs) var(--spacing-md);
  }

  .dropdown-item.has-children > .dropdown-link::after {
    transform: rotate(0deg);
  }

  .dropdown-item.active.has-children > .dropdown-link::after {
    transform: rotate(90deg);
  }

  .mobile-nav-toggle {
    display: block;
  }

  .utility-nav {
    margin-left: auto;
  }
}