/* ============================================*/
/* ===========Destop Menu Style================*/
/* ============================================*/


/* ============================================================
The basic structure of the primary navigation menu

Primary navigation shows in the header of the site.
(contains Products, Suppliers, Applications, Contact Us, Knowledge)
-megag menu shows when you click the menu item.
-- level 2 menu shows on the left side of the mega menu.
------level 3 menu shows on the right side of the mega menu.
----------level 4 menu shows on the bottom of level 3 menu.
===========================================================*/


/* ===Primary Navigation Menu ===*/
.primary-nav.block.block-menu.navigation.menu--main{
  border: 1px solid none;
}
.menu-block-wrapper.desktop-only{
  border: 1px solid none;
}

/*Products, Suppliers, Applications, Contact Us, Knowledge*/
.main-menu {
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  flex-wrap: wrap;
}

.menu-item {
  position: relative;
  color: white;
  padding: 10px 15px;
  cursor: pointer;
}


/* ===Mega Menu===*/
.mega-menu-container {
  position: absolute;
  left: 0;
  top: 7rem;
  width: 100%;
  padding: 2rem;

  display: none; /* Hide by default */
  z-index: 1000; /* Ensure it stays above other content */

  background-color: transparent;
  /* No slide animation - show directly */
}

/* Grid layout */
.mega-menu-grid {
  display: grid;
  min-height: 100px;
  background: rgba(255, 255, 255, 0.9); /* Semi-transparent grid background */
  width: 100%;
  max-width: calc(var(--default-max-width) - var(--header-padding) * 3);
  margin: 0 auto;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.mega-menu-products {
  grid-template-columns: 280px 1.5px 1fr;
  height: 38rem; /* Appropriate height for products */
}
.mega-menu-suppliers {
  grid-template-columns: 400px 1.5px 1fr;
  height: 42rem; /* Appropriate height for suppliers */
}

.mega-menu-applications {
  grid-template-columns: 280px 1.5px 1fr;
  height: 60rem;
}


/* ===Level 2 Menu ===*/

.primary-nav__menu--level-2 .primary-nav__menu-item {
  margin: 0;
  padding: 0;
}

.primary-nav__menu--level-2 .primary-nav__menu-link {
  display: block;
  padding: 0.5rem 1rem;
  color: #333;
  text-decoration: none;
  font-size: 16px;
  font-weight: normal;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}

/* Level 2 items (left column) */

.suppliers-level-2 {
  display: flex !important; 
  gap: 20px;
}


.suppliers-level-2 .level-2-item {
  padding: 2px 0;
}


.level-2-items {
  padding: 0 10px;
  grid-column: 1;
  grid-row: 1;
  align-self: start;
}

.level-2-item {
  padding: 2px 0;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: all 0.2s;
}

.level-2-item:hover,
.level-2-item.active {
  border-left: 3px solid #0066cc;
  font-weight: bold;
}


/* ===Level 3 Menu ===*/

/* Level 3 container */
.level-3-container {
  padding: 0 20px;
  position: relative;
  overflow: visible;
  grid-column: 3;
  grid-row: 1;
  align-self: start;
}


.level-3-columns {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  display: none;
  padding-left: 20px;
}


.level-3-columns.active {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  align-items: start;
  gap: 20px;
}

.level-3-item a{
  color: black;
}
.level-3-item a:hover{
  color: blue;
}


/* ===Level 4 Menu ===*/

.level-4-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  margin-top: 4px;
  padding-left: 20px;
}

.level-4-item a{
  color: black;
}
.level-4-item a:hover{
  color: blue;
}


/*重写父类， 原样式导致mega menu 位置拥有 relative 于 一级菜单*/
/*修改为更精确的选择器，避免影响 Drupal 的 contextual links*/
.site-header .contextual-region,
.region-primary-menu .contextual-region {
  position: static;
}


/* Contact Us: left-center floating placement */
li[data-menu="contact_us"] {
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  margin: 0;
  padding: 0;
  z-index: 1000;
}

li[data-menu="contact_us"] > a {
  display: inline-block;
  background-color: var(--contact-us-background-color);
  color: #fff;
  padding: 12px 10px;
  border-bottom-right-radius: 8px;
  border-top-right-radius: 8px;
  text-decoration: none;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  box-shadow: 0 6px 12px rgba(0,0,0,0.2);
  cursor: pointer;
}

li[data-menu="contact_us"] > a:hover,
li[data-menu="contact_us"] > a:focus {
  background-color: #3a6c94;
  text-decoration: none;
}

/* Show desktop-only content on large screens */
@media (min-width: 769px) {
  .desktop-only { display: block; }
  .mobile-only { display: none; }

}


/* ============================================*/
/* ===========Mobile Menu Style================*/
/* ============================================*/

/* 严重受 core/themes/olivero/css/components/navigation/nav-primary.css 影响 */
@media (max-width: 768px){

  /* overwrite*/
  .is-overlay-active .header-nav-overlay {
    display: none;
  }
  .mobile-nav-button.header-nav__close.mobile-only{
    display: none;
  }
  .desktop-only { display: none; }

  /* the main menu */
  .header-nav {
    border: 1px solid none;
    background-color: var(--theme-color);
    border-block-start: 10px;
  } 

  /* the main menu */
  .primary-nav.block.block-menu.navigation.menu--main{
    border: 1px solid none;
  }

  .primary-nav__button-toggle .icon--menu-toggle{
    display: none;
  }




  .primary-nav__menu-link--nolink {
    color: white;
  }
  
  /* Contact Us: mobile floating placement (same as desktop) */
  /* Make sure Contact Us is visible even when menu is closed */
  .header-nav .primary-nav__menu-item:has(a[href="/form/contact-us"]),
  #header-nav .primary-nav__menu-item:has(a[href="/form/contact-us"]) {
    position: fixed !important;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    margin: 0;
    padding: 0;
    z-index: 1001;
    width: auto;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
  }

  .header-nav .primary-nav__menu-item:has(a[href="/form/contact-us"]) > a,
  #header-nav .primary-nav__menu-item:has(a[href="/form/contact-us"]) > a {
    display: inline-block !important;
    background-color: var(--contact-us-background-color);
    color: #fff !important;
    padding: 2px;
    border-bottom-right-radius: 8px;
    border-top-right-radius: 8px;
    text-decoration: none;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    box-shadow: 0 6px 12px rgba(0,0,0,0.2);
    cursor: pointer;
    text-align: center;
    width: 30px;
    height: 100px;
    visibility: visible !important;
    opacity: 1 !important;
  }

  .header-nav .primary-nav__menu-item:has(a[href="/form/contact-us"]) > a:hover,
  .header-nav .primary-nav__menu-item:has(a[href="/form/contact-us"]) > a:focus,
  #header-nav .primary-nav__menu-item:has(a[href="/form/contact-us"]) > a:hover,
  #header-nav .primary-nav__menu-item:has(a[href="/form/contact-us"]) > a:focus {
    background-color: #3a6c94;
    text-decoration: none;
  }

  /* Contact Us link inner text size */
  .header-nav .primary-nav__menu-link-inner,
  #header-nav .primary-nav__menu-link-inner {
    font-size: 0.5em;
    display: inline;
  }

}