.mega-menu {
  position: absolute;
  left: 0;
  top: 100%;
  width: 100%;
  background: #ffffff;
  color: #000000;
  z-index: 10002;
  box-shadow: 0 8px 30px rgba(28,21,80,0.08);
  border-top: 1px solid #E4E2EA;
  border-bottom-left-radius:6px;
  border-bottom-right-radius:6px;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 240ms ease, transform 260ms ease, visibility 0s linear 400ms;
  pointer-events: none;
}

/* Invisible bridge to prevent losing hover when moving mouse from link to menu */
.mega-menu::before{
  content: '';
  position: absolute;
  top: -20px;
  left: 0;
  width: 100%;
  height: 20px;
  background: transparent;
  display:block;
  pointer-events:auto;
  z-index:0;
}

/* Specific Triggers - Click/Tap Based */
#nav-solutions.active #mega-menu-solutions,
#nav-innovation.active #mega-menu-innovation,
#nav-news.active #mega-menu-news,
#nav-about.active #mega-menu-about,
.nav-dropdown.active>.mega-menu{
  visibility: visible !important;
  opacity: 1 !important;
  pointer-events: auto !important;
  transform: translateY(0) !important;
  transition-delay: 0s !important;
}

/* Hover highlight for visual feedback (doesn't open menu) */
.nav-dropdown:hover > .nav-link {
  opacity: 0.8;
}

.mega-menu-content{
  display:flex;
  max-width:1400px;
  margin:0 auto;
  min-height:320px;
  gap:20px;
  align-items:stretch;
  padding:18px 20px;
}

/* Column 1: Sidebar */
.mega-menu-sidebar{
  width:400px;
  background:#F7F6FA;
  padding:20px 0;
  border-right:1px solid #E4E2EA;
}

.sidebar-item{
  padding:12px 28px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  cursor:pointer;
  transition:background 0.18s ease, color 0.18s ease, border-left-color 0.18s ease;
  font-weight:500;
  color:#4D4D4D;
  border-left:3px solid transparent;
  border-radius:4px;
  margin:6px 8px;
}

.sidebar-item:hover,
.sidebar-item.active{
  background:#ffffff;
  color:#66318F;
  border-left-color:#66318F;
  box-shadow:0 2px 8px rgba(102,49,143,0.04);
}

.sidebar-item i{font-size:12px;opacity:0.6}
.sidebar-item:hover i,.sidebar-item.active i{opacity:1}

/* Main Content Area */
.mega-menu-main{flex:1;padding:22px 18px;position:relative}

.category-content{display:none}
.category-content.active{display:block}
.mega-menu-column{display:block}
.mega-menu-column.middle{max-width:720px}

.mega-menu-column.middle h3{font-size:22px;color:#000;margin-bottom:12px;font-weight:700}
.mega-menu-column.middle p{font-size:15px;line-height:1.6;color:#4D4D4D;margin-bottom:18px}

.mega-menu-cta{display:inline-flex;align-items:center;gap:10px;color:var(--color-primary);text-decoration:none;font-weight:600;font-size:15px}
.mega-menu-cta:hover{transform:translateX(6px)}

.mega-menu-column.right h4{font-size:13px;text-transform:uppercase;color:#4D4D4D;letter-spacing:0.06em;margin-bottom:12px}
.mega-menu-column.right ul{list-style:none;padding:0}
.mega-menu-column.right ul li{margin-bottom:8px}
.mega-menu-column.right ul li a{display:flex;justify-content:space-between;align-items:center;padding:8px 0;color:#000;text-decoration:none;font-size:15px;border-bottom:1px solid transparent;transition:color 0.14s ease}
.mega-menu-column.right ul li a:hover{color:var(--color-primary);border-bottom-color:rgba(102,49,143,0.08)}
.mega-menu-column.right ul li a i{font-size:12px;opacity:0.36}

/* Responsive: hide hover mega menu on small screens (mobile menus handled separately) */
@media (max-width:900px){.mega-menu{display:none !important}}