/* ==========================================================================
   WIDELLY MEGA MENU - Custom CSS
   All Tailwind-compatible, layered on top of CDN Tailwind
   ========================================================================== */

/* --- Header Scroll State --- */
.site-header {
  transition: background-color 0.3s ease, box-shadow 0.3s ease, padding 0.2s ease;
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.97) !important;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.08);
}

.site-header.scrolled .header-inner {
  padding-top: 0.625rem;
  padding-bottom: 0.625rem;
}

/* --- Desktop Mega Panel --- */
.mega-panel {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1280px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 100;
  /* No CSS transition — handled by JS for instant panel switching */
}

.mega-trigger.active .mega-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Hover bridge — prevents panel from closing when moving mouse from trigger to panel */
.mega-trigger::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: -20px;
  right: -20px;
  height: 16px;
  background: transparent;
  z-index: 101;
}

/* --- Nav Link States --- */
.nav-link {
  position: relative;
  padding: 0.5rem 0.75rem;
  color: #4b5563;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.15s ease;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  border-radius: 0.5rem;
}

.nav-link:hover,
.nav-link.active {
  color: #2563eb;
}

.nav-link .chevron-icon {
  width: 14px;
  height: 14px;
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

.mega-trigger:hover .nav-link .chevron-icon,
.mega-trigger.active .nav-link .chevron-icon {
  transform: rotate(180deg);
}

/* Underline indicator */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0.75rem;
  right: 0.75rem;
  height: 2px;
  background: linear-gradient(90deg, #2563eb, #7c3aed);
  border-radius: 9999px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav-link:hover::after,
.mega-trigger:hover .nav-link::after,
.mega-trigger.active .nav-link::after {
  transform: scaleX(1);
}

/* --- Service Card Items --- */
.service-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: 0.625rem;
  transition: background-color 0.15s ease, transform 0.15s ease;
  text-decoration: none;
}

.service-item:hover {
  background-color: #f0f5ff;
  transform: translateX(2px);
}

.service-item .service-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.service-item:hover .service-icon {
  transform: scale(1.05);
}

.service-item .service-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #111827;
  line-height: 1.3;
  transition: color 0.15s ease;
}

.service-item:hover .service-title {
  color: #2563eb;
}

.service-item .service-desc {
  font-size: 0.75rem;
  color: #6b7280;
  line-height: 1.4;
  margin-top: 0.125rem;
}

/* --- Panel Column Headers --- */
.panel-col-header {
  font-size: 0.6875rem;
  font-weight: 700;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0 0.75rem;
  margin-bottom: 0.5rem;
}

/* --- Panel Bottom CTA Bar --- */
.panel-cta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem 1.5rem;
  background: linear-gradient(135deg, #f8fafc 0%, #f0f5ff 100%);
  border-top: 1px solid #e5e7eb;
  border-radius: 0 0 0.75rem 0.75rem;
}

.panel-cta-bar .cta-text {
  font-size: 0.8125rem;
  color: #4b5563;
}

.panel-cta-bar .cta-text strong {
  color: #111827;
  font-weight: 600;
}

.panel-cta-bar .cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  border-radius: 9999px;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}

.panel-cta-bar .cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* --- Industry/Solution Cards --- */
.menu-card {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding: 0.875rem;
  border-radius: 0.625rem;
  border: 1px solid #f3f4f6;
  background: white;
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.menu-card:hover {
  border-color: #bfdbfe;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
  transform: translateY(-1px);
}

.menu-card .card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #111827;
  transition: color 0.15s ease;
}

.menu-card:hover .card-title {
  color: #2563eb;
}

.menu-card .card-desc {
  font-size: 0.75rem;
  color: #6b7280;
  line-height: 1.4;
}

/* --- Mega Panel Backdrop --- */
.mega-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.06);
  z-index: 40;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease, visibility 0.15s;
  backdrop-filter: blur(1px);
}

.mega-backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* --- Mobile Menu --- */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  top: 0;
  background: white;
  z-index: 200;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

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

.mobile-nav-section {
  border-bottom: 1px solid #f3f4f6;
}

.mobile-nav-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: #111827;
  background: none;
  border: none;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.mobile-nav-toggle:hover,
.mobile-nav-toggle:focus {
  background-color: #f9fafb;
}

.mobile-nav-toggle .toggle-chevron {
  width: 20px;
  height: 20px;
  color: #9ca3af;
  transition: transform 0.25s ease, color 0.15s ease;
}

.mobile-nav-toggle[aria-expanded="true"] .toggle-chevron {
  transform: rotate(180deg);
  color: #2563eb;
}

.mobile-nav-toggle[aria-expanded="true"] {
  color: #2563eb;
  background-color: #f0f5ff;
}

.mobile-nav-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-nav-content.expanded {
  max-height: 2000px;
}

.mobile-nav-content .mobile-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 1.5rem 0.625rem 2.5rem;
  font-size: 0.875rem;
  color: #4b5563;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.mobile-nav-content .mobile-link:hover {
  background-color: #f0f5ff;
  color: #2563eb;
}

.mobile-nav-content .mobile-link .link-icon {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 0.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Hamburger to X animation */
.hamburger-btn {
  position: relative;
  width: 28px;
  height: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  z-index: 210;
}

.hamburger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #374151;
  border-radius: 9999px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger-btn.open span:first-child {
  transform: translateY(7px) rotate(45deg);
}

.hamburger-btn.open span:nth-child(2) {
  opacity: 0;
}

.hamburger-btn.open span:last-child {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Responsive Breakpoints --- */
@media (max-width: 1023px) {
  .mega-panel {
    display: none !important;
  }
  
  .mega-backdrop {
    display: none !important;
  }
  
  .desktop-nav {
    display: none !important;
  }
}

@media (min-width: 1024px) {
  .mobile-nav-overlay {
    display: none !important;
  }
  
  .hamburger-btn {
    display: none !important;
  }
  
  .mobile-header-cta {
    display: none !important;
  }
}

/* --- Tag Pill (for Industries/Solutions) --- */
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: 9999px;
  text-decoration: none;
  transition: all 0.15s ease;
}

/* --- Focus Styles (Accessibility) --- */
.service-item:focus-visible,
.menu-card:focus-visible,
.nav-link:focus-visible,
.mobile-nav-toggle:focus-visible,
.mobile-link:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
  border-radius: 0.375rem;
}

/* --- Smooth scrollbar for mobile nav --- */
.mobile-nav-overlay::-webkit-scrollbar {
  width: 4px;
}

.mobile-nav-overlay::-webkit-scrollbar-track {
  background: transparent;
}

.mobile-nav-overlay::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 9999px;
}

/* --- Print Styles --- */
@media print {
  .site-header,
  .mega-panel,
  .mobile-nav-overlay,
  .mega-backdrop {
    display: none !important;
  }
}