/* Reset list */
ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Basic nav styling */
ul li {
  position: relative;
  display: inline-block;
}

ul li a {
  display: block;
  padding: 12px 16px;
  text-decoration: none;
  font-size: 0.97em;
  letter-spacing: 0.01em;
  font-weight: 500;
  color: black;
}

/* Dropdown menu hidden by default */
ul li ul {
  display: none;
  position: absolute;
  top: calc(100% - 2px); /* Small overlap to prevent gap issues */
  left: 0;
  background: #000000;
  min-width: 160px;
  box-shadow: 0px 8px 16px rgba(0,0,0,0.2);
  z-index: 1;
  padding-top: 2px; /* Add small padding to create hover bridge */
}

/* Third level dropdown menu for desktop */
ul li ul li ul {
  display: none;
  position: absolute;
  top: -2px; /* Small overlap to prevent gap issues */
  left: calc(100% - 2px); /* Small overlap to prevent gap issues */
  background: #1a1a1a;
  min-width: 160px;
  box-shadow: 0px 8px 16px rgba(0,0,0,0.2);
  z-index: 2;
  padding-left: 2px; /* Add small padding to create hover bridge */
}

/* Dropdown links */
ul li ul li {
  display: block;
}

ul li ul li a {
  padding: 10px 16px;
  color: white;
}

/* Hover-based menu system (desktop only) with enhanced accessibility */
@media (min-width: 901px) {
  /* Create extended hover zones for better accessibility */
  ul li {
    position: relative;
  }
  
  /* Add invisible hover extension zones */
  ul li::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50px;
    right: -50px;
    bottom: 0;
    z-index: 1;
    pointer-events: auto;
  }
  
  /* Desktop submenu styling - initially hidden */
  ul li ul {
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease-in-out;
    background: #000000;
    box-shadow: 0px 8px 16px rgba(0,0,0,0.2);
    position: absolute;
    top: calc(100% - 2px);
    left: 0;
    min-width: 180px; /* Increased for better readability */
    z-index: 10;
    pointer-events: auto;
    border-radius: 4px;
  }
  
  /* Create hover bridge between parent and submenu */
  ul li ul::before {
    content: '';
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    height: 20px;
    z-index: 11;
    pointer-events: auto;
  }
  
  /* Show submenu on hover or with hover-active class (for JavaScript control) */
  ul li:hover > ul,
  ul li.hover-active > ul {
    display: block;
    opacity: 1;
    transform: translateY(0);
  }
  
  /* Keep submenu visible when hovering over it */
  ul li ul:hover {
    display: block;
    opacity: 1;
    transform: translateY(0);
  }
  
  /* Third level desktop submenu styling - appear to the right with hover zones */
  ul li ul li ul {
    display: none;
    opacity: 0;
    position: absolute;
    top: -2px;
    left: calc(100% - 2px);
    background: #1a1a1a;
    min-width: 180px; /* Increased for better readability */
    box-shadow: 0px 8px 16px rgba(0,0,0,0.3);
    z-index: 20;
    transform: translateX(-10px);
    transition: all 0.3s ease-in-out;
    pointer-events: auto;
    border-radius: 4px;
  }
  
  /* Create horizontal hover bridge for third-level menus */
  ul li ul li ul::before {
    content: '';
    position: absolute;
    top: -15px;
    left: -20px;
    width: 25px;
    bottom: -15px;
    z-index: 21;
    pointer-events: auto;
  }
  
  /* Show third level submenu on hover or with hover-active class */
  ul li ul li:hover > ul,
  ul li ul li.hover-active > ul {
    display: block;
    opacity: 1;
    transform: translateX(0);
  }
  
  /* Keep third-level submenu visible when hovering */
  ul li ul li ul:hover {
    display: block;
    opacity: 1;
    transform: translateX(0);
  }
  
  /* Enhanced menu item styling for hover functionality */
  ul li > a {
    position: relative;
    cursor: pointer;
    padding-right: 16px;
    z-index: 2;
  }
  
  /* Enhanced submenu item styling */
  ul li ul li a {
    padding: 10px 16px;
    color: white;
    transition: background-color 0.2s ease, color 0.2s ease;
  }
  
  /* Third-level menu items */
  ul li ul li ul li a {
    padding: 10px 16px;
    color: white;
    background-color: #1a1a1a;
    transition: background-color 0.2s ease, color 0.2s ease;
  }
}

/* Mobile layout: stack vertically */
@media (max-width: 900px) {
  ul li {
    display: block;
  }
  
  ul li ul {
    position: static;
    box-shadow: none;
    background: #2a2a2a;
    margin-left: 20px;
    margin-top: 0;
    border-left: 3px solid #1866b6;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease-in-out;
  }
  
  ul li ul.open {
    display: block;
    max-height: 300px;
    opacity: 1;
    transform: translateY(0);
  }
  
  /* Third level mobile menu styling - positioned below on mobile */
  ul li ul li ul {
    position: static;
    box-shadow: none;
    background: #1a1a1a;
    margin-left: 20px;
    margin-top: 0;
    border-left: 3px solid #1866b6;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease-in-out;
  }
  
  ul li ul li ul.open {
    display: block;
    max-height: 250px;
    opacity: 1;
    transform: translateY(0);
  }
  
  ul li ul li ul li a {
    padding: 10px 14px;
    color: #ffffff;
    font-size: 15px;
    background: #1a1a1a;
  }
  
  ul li ul li {
    border-bottom: 1px solid #444;
  }
  
  ul li ul li:last-child {
    border-bottom: none;
  }
  
  ul li ul li a {
    padding: 12px 16px;
    color: #ffffff;
    font-size: 16px;
    transition: background-color 0.2s ease;
  }
  
  /* Parent item styling when submenu is open */
  ul li.has-open-submenu > a {
    background: rgba(24, 102, 182, 0.1);
    border-left: 3px solid #1866b6;
    position: relative;
  }
  
  /* Hide submenu arrows for mobile - clean design without indicators */
  .submenu-arrow {
    display: none !important; /* Hide arrows completely on mobile */
  }
  
  /* Main navigation links styling - ensure proper display and smooth animations */
  #nav-menu > li > a {
    display: inline-block !important; /* Override block display from general ul li a */
    padding: 12px 16px !important; /* Standard padding */
    position: relative !important; /* Ensure relative positioning */
    transition: color 0.3s ease, transform 0.3s ease !important; /* Smooth zoom animation */
    font-size: 18px !important; /* Consistent mobile font size */
    letter-spacing: 0.01em !important; /* Consistent letter spacing */
    font-weight: 500 !important; /* Consistent font weight */
  }
  
  /* Ensure proper spacing for menu items - no arrows on desktop */
  #nav-menu li a {
    display: flex;
    align-items: center;
    justify-content: flex-start; /* Left align text */
    padding-right: 16px; /* Standard padding, no extra space for arrows */
  }
  
  /* Override for main nav items - clean styling without arrows */
  #nav-menu > li > a.has-submenu-arrow {
    display: inline-flex !important;
    align-items: center;
    padding: 12px 16px !important; /* Standard padding, no extra space for arrows */
    position: relative !important; /* Ensure relative positioning */
    transition: color 0.3s ease, transform 0.3s ease !important; /* Smooth zoom animation */
  }
}