/**
 * BSERI Navigation - ISACA-Inspired Design
 * Professional two-tier navigation system with crisp design
 * Font pairing: Montserrat (nav) + Fira Sans (body) — see bseri-fonts.css
 * 
 * @version 1.0
 * @author BSERI Front-end Team
 */

@import url("bseri-fonts.css");
@import url("bseri-colors.css");

/* ==========================================
   CRITICAL OVERRIDES - Bootstrap Compatibility
   ========================================== */

/* CRITICAL: Prevent ancestor overflow from clipping mega menus */
header[role="banner"],
.header,
.navbar-wrapper,
body {
  overflow: visible !important;
}

/* ==========================================
   NAVIGATION STRUCTURE
   ========================================== */

/* Ensure header and mega menus are not clipped */
header[role="banner"],
.header,
.site-header-nav,
body {
  overflow: visible !important;
}

.site-header-nav.navbar-primary {
  background: transparent !important;
  border-bottom: none !important;
  box-shadow: none !important;
  padding: 0 var(--nav-card-outer-gap) !important;
  margin: 0;
  width: 100%;
  box-sizing: border-box;
  position: sticky;
  top: 0;
  z-index: 1020;
  font-family: var(--nav-font-primary);
}

.site-header-nav.is-scrolled .header-inner {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12) !important;
}

/* Override theme.css nav-link styles — base reset only; sizing in primary nav row section */
.navbar-primary .nav-link {
  color: var(--nav-text-primary) !important;
  text-decoration: none;
  transform: none !important;
}

.navbar-primary .nav-link:hover {
  color: var(--nav-text-hover) !important;
  transform: none !important;
}

/* Bootstrap collapse: desktop uses display:contents grid (see unified header section) */
@media (max-width: 991.98px) {
  .navbar-primary .navbar-collapse.collapse:not(.show):not(.collapsing) {
    display: none !important;
  }
}

/* ==========================================
   CSS VARIABLES - NAVIGATION SPECIFIC
   ========================================== */

:root {
  /* Nav colors: bseri-colors.css (--nav-*) */

  /* Spacing — utility row + primary row inside one header block */
  --nav-utility-height: 38px;
  --nav-primary-height: 46px;
  --nav-header-height: calc(var(--nav-utility-height) + var(--nav-primary-height));
  --nav-mobile-header-height: 60px;
  --nav-item-gap: 1.25rem;
  /* ISACA-style centered header card (+10% width) */
  --nav-card-width: 82.5%;
  --nav-card-max-width: 1139px;
  --nav-card-outer-gap: 1rem;
  --nav-padding-x: 1.5rem;

  /* Nav typography (+1pt on utility + primary links) */
  --nav-font-utility: calc(0.6875rem + 1pt);
  --nav-font-primary-link: calc(0.875rem + 1pt);
  --nav-logo-height: 70px;

  /* Transitions */
  --nav-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-transition-fast: all 0.15s ease-out;
}

/* ==========================================
   UNIFIED SITE HEADER (ISACA two-column layout)
   ========================================== */

.site-header-nav .header-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.75rem;
  width: var(--nav-card-width);
  max-width: var(--nav-card-max-width);
  min-width: min(100%, 520px);
  margin: 0 auto;
  padding: 0.45rem var(--nav-padding-x) 0.55rem;
  background-color: #ffffff !important;
  background-image: none !important;
  border-radius: 0 0 12px 12px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08) !important;
  box-sizing: border-box;
  overflow: visible !important;
  position: relative;
}

.header-logo-col {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  padding-right: 0;
}

.header-nav-col {
  display: block;
  min-width: 0;
  width: 100%;
  justify-self: stretch;
}

.header-utility-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  gap: 1rem;
  min-height: var(--nav-utility-height);
  width: 100%;
  padding-bottom: 0.45rem;
  margin-bottom: 0.35rem;
  border-bottom: 1px solid var(--nav-utility-border);
  box-sizing: border-box;
}

.utility-zone {
  display: flex;
  align-items: center;
  min-width: 0;
}

.utility-zone-end {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.25rem;
  flex-shrink: 0;
  width: 100%;
}

.utility-links-inline {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
}

.utility-sep {
  display: inline-block;
  width: 1px;
  height: 0.75rem;
  margin: 0 0.35rem;
  background-color: rgba(15, 23, 42, 0.18);
  flex-shrink: 0;
}

.utility-zone-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.header-primary-row {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto auto;
  justify-items: end;
  align-items: center;
  row-gap: 0.125rem;
  width: 100%;
  position: static;
}

.site-header-nav .navbar-toggler {
  display: none;
}

/* Desktop: flatten collapse so utility + main nav form two grid rows */
@media (min-width: 992px) {
  .header-primary-row > .navbar-toggler {
    display: none !important;
  }

  .navbar-primary .navbar-collapse,
  .navbar-primary .navbar-collapse.collapse,
  .navbar-primary .navbar-collapse.collapse.show {
    display: contents !important;
    visibility: visible !important;
    height: auto !important;
  }

  .header-primary-row .header-utility-row {
    grid-row: 1;
    grid-column: 1;
    width: 100%;
  }

  .header-primary-row .navbar-nav {
    grid-row: 2;
    grid-column: 1;
    width: 100%;
  }
}

.utility-link {
  font-size: var(--nav-font-utility);
  font-weight: 500;
  color: var(--nav-text-utility);
  text-decoration: none;
  padding: 0.35rem 0.5rem;
  border-radius: 0;
  transition: var(--nav-transition);
  font-family: var(--nav-font-primary);
  letter-spacing: 0.01em;
  text-transform: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.utility-link-text {
  padding-left: 0.45rem;
  padding-right: 0.45rem;
}

.utility-link:hover,
.utility-link:focus-visible {
  color: var(--nav-text-hover);
  text-decoration: none;
}

.utility-link.cta-primary {
  color: var(--color-cta-text, #ffffff);
  font-weight: 700;
  font-size: var(--nav-font-utility);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background-color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 2px;
  padding: 0.45rem 0.95rem;
}

.utility-link.cta-primary:hover,
.utility-link.cta-primary:focus-visible {
  color: #ffffff;
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.utility-link i {
  font-size: 0.9375rem;
  opacity: 0.85;
}

.utility-search-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  height: 2rem;
  padding: 0 0.75rem;
  border: 1px solid rgba(15, 23, 42, 0.14);
  border-radius: 2px;
  background: #ffffff;
  color: var(--nav-text-utility);
  font-family: var(--nav-font-primary);
  font-size: var(--nav-font-utility);
  font-weight: 500;
  letter-spacing: 0.01em;
  text-transform: none;
  cursor: pointer;
  transition: var(--nav-transition);
  white-space: nowrap;
}

.utility-search-btn i {
  font-size: 0.875rem;
  opacity: 0.75;
}

.utility-search-btn:hover,
.utility-search-btn:focus-visible {
  color: var(--nav-text-hover);
  border-color: rgba(15, 23, 42, 0.28);
  background: #f8fafc;
}

.utility-auth-link,
.utility-auth-toggle {
  padding-left: 0.35rem;
  padding-right: 0.35rem;
}

.utility-auth-dropdown .dropdown-toggle::after {
  display: none;
}

.utility-auth-menu {
  min-width: 11rem;
  border-radius: 4px;
  border: 1px solid var(--nav-utility-border);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
  font-size: 0.875rem;
}

.utility-auth-menu .dropdown-item {
  font-family: var(--nav-font-body);
  padding: 0.5rem 1rem;
}

/* Legacy search toggle (mobile fallback) */
.search-toggle:not(.utility-search-btn) {
  background: none;
  border: none;
  color: var(--nav-text-utility);
  font-size: 1.125rem;
  padding: 0.5rem;
  cursor: pointer;
  border-radius: 4px;
  transition: var(--nav-transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.search-toggle:hover {
  color: var(--nav-text-hover);
  /* Only color change, no background or other effects */
}

/* ==========================================
   PRIMARY NAV ROW (inside unified header)
   ========================================== */

.navbar-primary .navbar-brand {
  display: flex;
  align-items: center;
  padding: 0;
  margin: 0;
  text-decoration: none;
  flex-shrink: 0;
}

.site-header-nav .navbar-brand img,
.navbar-primary .navbar-brand img {
  height: var(--nav-logo-height) !important;
  max-height: var(--nav-logo-height) !important;
  width: auto;
  object-fit: contain;
  transition: var(--nav-transition);
}

.navbar-primary .navbar-brand:hover img {
  transform: scale(1.02);
}

.navbar-primary .navbar-collapse,
.navbar-primary .navbar-collapse.collapse {
  width: 100%;
}

@media (min-width: 992px) {
  .navbar-primary .navbar-collapse,
  .navbar-primary .navbar-collapse.collapse {
    width: auto;
  }
}

/* Main Navigation Links */
.navbar-primary .navbar-nav {
  display: flex !important;
  align-items: center;
  justify-content: flex-end;
  gap: var(--nav-item-gap);
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
  flex-direction: row !important;
  min-height: var(--nav-primary-height);
}

.navbar-primary .nav-item {
  position: static;
}

/* Uniform vertical alignment for plain links and dropdown triggers */
.navbar-primary .navbar-nav > .nav-item {
  display: flex;
  align-items: center;
}

/* Dropdown nav items — mega menus anchor to .header-inner on desktop */
.navbar-primary .navbar-nav > .nav-item.dropdown {
  z-index: 1;
}

@media (min-width: 992px) {
  .navbar-primary .navbar-nav > .nav-item.dropdown {
    position: static !important;
  }

  /* All mega menus: flush below primary nav row, right edge aligned to header panel */
  .site-header-nav .header-inner .nav-item.dropdown > .dropdown-menu.mega-menu.isaca-style {
    position: absolute !important;
    left: auto !important;
    right: 0 !important;
    bottom: auto !important;
    margin: 0 !important;
    width: max-content !important;
    max-width: 100% !important;
    transform: none !important;
    background-color: #ffffff !important;
    transition: opacity 0.12s ease, visibility 0.12s ease !important;
  }
}

@media (max-width: 991.98px) {
  .navbar-primary .navbar-nav > .nav-item.dropdown {
    position: relative !important;
  }
}

.navbar-primary .nav-item.dropdown.show,
.navbar-primary .nav-item.dropdown:hover {
  z-index: 1051;
}

/* Mega menu positioning — mobile fallback; desktop uses .header-inner anchor */
/* CRITICAL: Override Bootstrap's dropdown-menu styles for mega menus */
.dropdown-menu.mega-menu.isaca-style,
.navbar-primary .dropdown-menu.mega-menu.isaca-style {
  min-width: auto !important;
  padding: 0 !important;
  border: none !important;
  border-radius: 0 0 12px 12px !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12) !important;
  display: block !important;
  overflow-x: visible !important;
  background: #ffffff !important;
  background-color: #ffffff !important;
}

.navbar-primary .nav-item.dropdown > .dropdown-menu.mega-menu.isaca-style {
  position: absolute !important;
  bottom: auto !important;
  margin: 0 !important;
  width: max-content !important;
  max-width: min(1280px, calc(100vw - 2rem)) !important;
  background-color: #ffffff !important;
}

@media (max-width: 991.98px) {
  .navbar-primary .nav-item.dropdown > .dropdown-menu.mega-menu.isaca-style {
    top: 100% !important;
    left: 0 !important;
    right: auto !important;
  }
}

/* CRITICAL: Override theme.css megamenu styles that might conflict */
.mega-dropdown .megamenu.isaca-style,
.megamenu.isaca-style,
.navbar-primary .megamenu.isaca-style {
  min-width: auto !important; /* Override theme.css min-width: 800px */
  max-width: 100vw !important;
  overflow-x: visible !important;
  width: 100% !important;
}

/* Ensure no theme.css styles interfere with our mega menu container */
.mega-menu.isaca-style .mega-menu-container,
.megamenu.isaca-style .mega-menu-container {
  width: auto !important;
  min-width: auto !important;
  max-width: calc(100vw - 4rem) !important;
  overflow-x: visible !important;
}

@media (min-width: 992px) {
  .mega-menu.isaca-style .mega-menu-container,
  .megamenu.isaca-style .mega-menu-container {
    max-width: 100% !important;
  }
}

/* Override theme.css megamenu-column styles */
.mega-menu-container .mega-menu-column,
.megamenu-content .mega-menu-column {
  overflow-x: visible !important;
  overflow-y: visible !important;
}

.navbar-primary .nav-link {
  font-size: var(--nav-font-primary-link);
  font-weight: 600;
  color: var(--nav-text-primary);
  text-decoration: none;
  padding: 0.35rem 0.15rem;
  border-radius: 0;
  transition: color 0.2s ease, box-shadow 0.2s ease;
  font-family: var(--nav-font-primary);
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  white-space: nowrap;
  position: relative;
  text-transform: none;
  background: transparent !important;
  box-shadow: inset 0 -2px 0 transparent;
  line-height: 1.2;
  min-height: 2rem;
}

.navbar-primary .nav-link:hover,
.navbar-primary .nav-link:focus-visible {
  color: var(--nav-text-hover);
  background: transparent !important;
  box-shadow: inset 0 -2px 0 rgba(29, 78, 216, 0.35);
  text-decoration: none;
}

.navbar-primary .nav-link.active {
  color: var(--nav-text-active);
  font-weight: 700;
  background: transparent !important;
  box-shadow: inset 0 -2px 0 var(--nav-text-active);
}

.navbar-primary .nav-link i.bi-chevron-down {
  font-size: 0.625rem;
  opacity: 0.55;
  margin: 0;
  line-height: 1;
  flex-shrink: 0;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.navbar-primary .nav-link:hover i.bi-chevron-down,
.navbar-primary .nav-link.active i.bi-chevron-down {
  opacity: 0.85;
}

.dropdown.show .nav-link i.bi-chevron-down {
  transform: rotate(180deg);
}

/* Dropdown Toggle */
.navbar-primary .dropdown-toggle::after {
  display: none;
}

/* Navigation Actions (Right Side) */
.navbar-actions {
  display: flex !important;
  align-items: center;
  gap: 0.75rem;
  margin-left: 1.5rem;
  flex-shrink: 0;
}

/* Ensure actions are visible */
.navbar-primary .navbar-actions {
  display: flex !important;
  visibility: visible !important;
}

.action-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--nav-text-utility);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  transition: var(--nav-transition);
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--nav-font-primary);
}

.action-link:hover {
  color: var(--nav-text-hover);
  font-weight: 700; /* Bold on hover */
  text-decoration: none;
}

.action-link i {
  font-size: 1rem;
}

/* User Authentication Display */
.navbar-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  background: rgba(29, 78, 216, 0.08);
  border-radius: 8px;
  border: 1px solid rgba(29, 78, 216, 0.2);
  font-size: 0.875rem;
}

.navbar-user i {
  font-size: 1.25rem;
  color: var(--nav-text-hover);
}

.navbar-user span {
  color: var(--nav-text-hover);
  font-weight: 600;
  font-family: var(--nav-font-primary);
}

/* ==========================================
   MEGA MENU SYSTEM (ISACA STYLE)
   ========================================== */

.mega-menu.isaca-style {
  position: absolute !important;
  transform: none !important;
  /* Shrink-to-fit content: width varies by number/size of columns */
  width: max-content !important;
  max-width: min(1280px, calc(100vw - 2rem)) !important;
  background: #ffffff !important;
  background-color: #ffffff !important;
  border-top: 3px solid var(--nav-text-hover);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12) !important;
  opacity: 0;
  visibility: hidden;
  transition: none;
  z-index: 1050 !important;
  padding: 0 !important;
  max-height: calc(
    100vh - var(--nav-header-height) - 20px
  );
  overflow-y: auto !important;
  overflow-x: hidden !important;
  margin-top: 0 !important;
  border-radius: 0 0 12px 12px !important; /* Rounded bottom corners */
  border-left: none !important;
  border-right: none !important;
  border-bottom: none !important;
  min-height: auto;
  min-width: auto !important;
  box-sizing: border-box !important;
  display: block !important;
}

@media (max-width: 991.98px) {
  .mega-menu.isaca-style {
    top: 100% !important;
    left: 0 !important;
    right: auto !important;
  }
}

.dropdown.show .mega-menu.isaca-style,
.nav-item.dropdown.show .mega-menu.isaca-style,
.dropdown-menu.mega-menu.isaca-style.show {
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
  display: block !important;
  background: #ffffff !important;
  background-color: #ffffff !important;
  transition: opacity 0.12s ease, visibility 0.12s ease;
}

/* Closed/hidden instantly — no fade-out jump when switching menus */
.mega-menu.isaca-style.mega-menu--instant {
  transition: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
}

.mega-menu-container {
  /* Let the container hug its columns; parent .mega-menu caps the overall width */
  width: auto !important;
  max-width: none !important;
  min-width: auto !important;
  margin: 0 auto !important;
  padding: 2.5rem 2rem !important;
  display: flex !important;
  flex-direction: row !important;
  gap: 3rem !important;
  box-sizing: border-box !important; /* Use border-box for predictable sizing */
  overflow-x: visible !important;
  overflow-y: visible !important;
  align-items: flex-start !important;
  flex-wrap: nowrap !important;
  justify-content: center !important; /* Center the columns */
  position: relative !important;
}

/* Add subtle texture overlay to mega menu container for depth */
.mega-menu-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
}

/* Mega Menu Column - ISACA Style */
.mega-menu-column {
  flex: 0 0 auto !important; /* Don't shrink or grow - use natural content width */
  min-width: 220px !important; /* Minimum readable width */
  max-width: 340px !important; /* Wide enough to fit full practitioner course titles on 1-2 lines */
  width: auto !important; /* Let content determine width within min/max constraints */
  box-sizing: border-box !important;
  overflow-wrap: break-word; /* Break long words if needed */
  word-wrap: break-word;
  white-space: normal !important; /* Ensure text wraps normally */
  position: relative !important; /* Ensure proper stacking */
  z-index: 1 !important; /* Above texture overlay */
  display: flex !important; /* CRITICAL: Force flex display */
  flex-direction: column !important; /* Stack header and list vertically */
  overflow-x: visible !important; /* Allow content to be visible */
  overflow-y: visible !important;
}

/* Mega Menu Headers - ISACA Style */
.mega-menu-header {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0.01em;
  color: var(--nav-text-primary);
  margin-bottom: 1rem; /* Spacing before list */
  padding-bottom: 0.5rem; /* Padding after header */
  font-family: var(--nav-font-primary);
  border-bottom: none;
  white-space: normal; /* Allow wrapping */
  writing-mode: horizontal-tb;
  text-orientation: mixed;
  line-height: 1.5;
  word-wrap: break-word;
  overflow-wrap: break-word;
  width: 100%;
  box-sizing: border-box;
}

/* Mega Menu List - ISACA Style */
.mega-menu-list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  box-sizing: border-box;
  flex: 1; /* Take remaining space in column */
  display: flex;
  flex-direction: column; /* Stack items vertically */
}

.mega-menu-list li {
  margin-bottom: 0.625rem; /* Better spacing between items */
}

.mega-menu-list li:last-child {
  margin-bottom: 0; /* No margin on last item */
}

/* Long course lists in Training mega menu */
.mega-menu-column .mega-menu-list {
  max-height: min(70vh, 28rem);
  overflow-y: auto;
  scrollbar-width: thin;
  padding-right: 0.25rem;
}

/* Mega Menu Links - ISACA Clean Style */
.mega-menu-link {
  display: block;
  padding: 0.5rem 0.25rem 0.5rem 0; /* Small left padding for hover effect */
  color: var(--nav-text-primary);
  text-decoration: none;
  font-size: 0.9375rem; /* 15px - ISACA style */
  font-weight: 400;
  transition: var(--nav-transition);
  font-family: var(--nav-font-body);
  line-height: 1.6; /* Better line height for readability */
  word-wrap: break-word; /* Prevent text overflow */
  overflow-wrap: break-word; /* Break long words */
  hyphens: auto; /* Auto-hyphenate if needed */
  max-width: 100%; /* Ensure links don't exceed column width */
  box-sizing: border-box;
  white-space: normal; /* Allow text to wrap naturally */
}

.mega-menu-link .course-short {
  display: block;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.mega-menu-link .course-long {
  display: block;
  font-size: 0.5em;
  font-weight: 400;
  color: var(--nav-text-muted);
  line-height: 1.3;
  margin-top: 0.15rem;
}

.nav-course-tag {
  display: inline-block;
  font-size: 0.7em;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(29, 78, 216, 0.08);
  border: 1px solid rgba(29, 78, 216, 0.2);
  border-radius: 3px;
  padding: 0 4px;
  margin-left: 3px;
  vertical-align: middle;
  letter-spacing: 0;
}

/* Course links now show the full course name with the shortform tag inline.
   Slightly tighter line-height keeps two-line names compact and readable. */
.mega-menu-link.nav-course-link {
  font-size: 0.875rem; /* 14px - leaves room for longer practitioner titles */
  line-height: 1.45;
  transition: color 0.15s ease, padding-left 0.15s ease;
}
.mega-menu-link.nav-course-link .nav-course-name {
  display: inline; /* Keep tag on the same baseline at the end of the title */
}

/* Standards links: hover shows year + intro via title tooltip */
.mega-menu-link.nav-standard-link {
  cursor: help;
  border-bottom: 1px dotted transparent;
  transition: border-color 0.15s ease;
}
.mega-menu-link.nav-standard-link:hover {
  border-bottom-color: rgba(29, 78, 216, 0.35);
}

/* Training mega menu — wider panel so five Practitioner titles fit cleanly */
@media (min-width: 992px) {
  .mega-menu.isaca-style.mega-menu--training {
    min-width: min(920px, calc(100vw - 2rem)) !important;
  }

  .mega-menu--training .mega-menu-container {
    justify-content: flex-start !important;
    gap: 2.5rem !important;
    padding-left: 2rem !important;
    padding-right: 2rem !important;
  }

  /* Certifications column: longest title is CEHSMSP */
  .mega-menu--training .mega-menu-column:first-child {
    min-width: 380px !important;
    max-width: 520px !important;
    flex: 1 1 520px !important;
  }

  /* Practice Areas: short ISO labels */
  .mega-menu--training .mega-menu-column:last-child {
    min-width: 168px !important;
    max-width: 220px !important;
    flex: 0 0 auto !important;
  }

  .mega-menu--training .mega-menu-link.nav-course-link {
    line-height: 1.5;
  }
}

@media (min-width: 992px) and (max-width: 1199px) {
  .mega-menu.isaca-style.mega-menu--training {
    min-width: min(780px, calc(100vw - 2rem)) !important;
  }

  .mega-menu--training .mega-menu-column:first-child {
    min-width: 320px !important;
    max-width: 440px !important;
    flex: 1 1 440px !important;
  }
}

.mega-menu-link:hover {
  color: var(--nav-text-hover);
  font-weight: 700; /* Bold on hover */
  text-decoration: none;
  padding-left: 0.5rem; /* Slight indent on hover */
}

.mega-menu-link i {
  display: none; /* ISACA style is icon-free - clean text only */
}

/* Course Cards Grid (for Training Mega Menu) */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  max-height: 500px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.course-card-mega {
  background: var(--color-bg);
  border: 2px solid var(--nav-utility-border);
  border-radius: 8px;
  padding: 1rem;
  transition: var(--nav-transition);
  cursor: pointer;
}

.course-card-mega:hover {
  border-color: var(--nav-text-hover);
  box-shadow: 0 4px 16px rgba(29, 78, 216, 0.15);
  transform: translateY(-2px);
}

.course-card-mega .course-header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.course-card-mega .course-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.course-card-mega .course-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--nav-text-primary);
  margin-bottom: 0.25rem;
  font-family: var(--nav-font-primary);
}

.course-card-mega .course-subtitle {
  font-size: 0.8125rem;
  color: var(--nav-text-muted);
  font-family: var(--nav-font-body);
}

.course-card-mega .course-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--nav-text-muted);
  margin-top: 0.75rem;
  font-family: var(--nav-font-body);
}

/* ==========================================
   SEARCH OVERLAY
   ========================================== */

.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: var(--nav-transition);
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-modal {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: 90%;
  max-width: 600px;
  background: var(--color-bg);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  padding: 2rem;
  transition: var(--nav-transition);
}

.search-overlay.active .search-modal {
  transform: translate(-50%, -50%) scale(1);
}

.search-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.search-modal-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--nav-text-primary);
  font-family: var(--nav-font-primary);
  margin: 0;
}

.search-modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--nav-text-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  transition: var(--nav-transition);
}

.search-modal-close:hover {
  color: var(--nav-text-primary);
  background-color: rgba(0, 0, 0, 0.05);
}

.search-input-wrapper {
  position: relative;
}

.search-input-wrapper input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  font-size: 1rem;
  border: 2px solid var(--nav-utility-border);
  border-radius: 8px;
  font-family: var(--nav-font-body);
  transition: var(--nav-transition);
}

.search-input-wrapper input:focus {
  outline: none;
  border-color: var(--nav-text-hover);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.1);
}

.search-input-wrapper i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--nav-text-muted);
  font-size: 1.125rem;
}

/* ==========================================
   RESPONSIVE DESIGN - Mobile First Approach
   ========================================== */

/* ==========================================
   LARGE SCREENS (1920px+) - 4K & Ultra-wide
   ========================================== */
@media (min-width: 1920px) {
  :root {
    --nav-card-max-width: 1267px;
    --nav-padding-x: 1.75rem;
    --nav-card-outer-gap: 1.25rem;
  }

  .mega-menu.isaca-style {
    width: max-content !important;
    max-width: min(1440px, calc(100vw - 2rem)) !important;
  }

  .mega-menu-container {
    max-width: none !important;
    gap: 4rem !important;
  }
}

/* ==========================================
   DESKTOP (1200px - 1919px) - Standard Desktop
   ========================================== */
@media (min-width: 1200px) and (max-width: 1919px) {
  .mega-menu.isaca-style {
    width: max-content !important;
    max-width: min(1280px, calc(100vw - 2rem)) !important;
  }

  .mega-menu-container {
    max-width: none !important;
    gap: 3rem !important;
  }

  .mega-menu-column {
    min-width: 220px !important;
    max-width: 340px !important;
  }
}

/* ==========================================
   LAPTOP (992px - 1199px) - Small Laptops
   ========================================== */
@media (min-width: 992px) and (max-width: 1199px) {
  :root {
    --nav-padding-x: 1.25rem;
    --nav-item-gap: 0.875rem;
  }

  .navbar-primary .nav-link {
    font-size: calc(0.75rem + 1pt) !important;
    padding: 0.5rem 0.5rem !important;
  }

  .utility-link {
    font-size: calc(0.75rem + 1pt);
    padding: 0.375rem 0.5rem;
  }

  .mega-menu.isaca-style {
    width: max-content !important;
    max-width: min(1280px, calc(100vw - 4rem)) !important;
  }

  .mega-menu-container {
    max-width: none !important;
    gap: 2rem !important;
    padding: 2rem 1.5rem !important;
  }

  .mega-menu-column {
    min-width: 180px !important;
    max-width: 260px !important;
  }

  .mega-menu-header {
    font-size: 0.75rem;
  }

  .mega-menu-link {
    font-size: 0.875rem;
  }
}

/* ==========================================
   TABLET & MOBILE (< 992px)
   ========================================== */
@media (max-width: 991.98px) {
  :root {
    --nav-header-height: var(--nav-mobile-header-height);
    --nav-card-outer-gap: 0;
  }

  .site-header-nav.navbar-primary {
    padding: 0 !important;
  }

  .site-header-nav .header-inner {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    max-width: none;
    min-width: 0;
    padding: 0.625rem var(--nav-padding-x);
    border-radius: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
  }

  .header-logo-col {
    flex: 1 1 auto;
    padding-right: 0;
    min-width: 0;
  }

  .header-nav-col {
    flex: 0 0 auto;
    width: auto;
  }

  .header-primary-row {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-height: auto;
    width: auto;
    margin-left: auto;
  }

  .site-header-nav .navbar-toggler {
    display: block !important;
    border: none !important;
    padding: 0.5rem 0.75rem !important;
    background: transparent !important;
    cursor: pointer;
    outline: none;
    z-index: 1051;
    margin-left: auto;
  }

  .navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.1);
    border-radius: 4px;
  }

  .navbar-toggler-icon {
    display: inline-block;
    width: 28px;
    height: 20px;
    position: relative;
    background: none !important;
  }

  .navbar-toggler-icon::before,
  .navbar-toggler-icon::after,
  .navbar-toggler-icon span {
    content: "";
    display: block;
    position: absolute;
    width: 100%;
    height: 3px;
    background-color: var(--color-text-heading);
    border-radius: 2px;
    transition: all 0.3s ease;
    left: 0;
  }

  .navbar-toggler-icon::before {
    top: 0;
  }

  .navbar-toggler-icon span {
    top: 50%;
    transform: translateY(-50%);
  }

  .navbar-toggler-icon::after {
    bottom: 0;
  }

  .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
    transform: rotate(45deg) translate(8px, 8px);
  }

  .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span {
    opacity: 0;
  }

  .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
    transform: rotate(-45deg) translate(8px, -8px);
  }

  .navbar-primary .navbar-brand img {
    height: calc(var(--nav-logo-height) * 0.88);
    max-height: calc(var(--nav-logo-height) * 0.88);
  }

  .navbar-primary .navbar-collapse {
    position: fixed;
    top: var(--nav-mobile-header-height);
    left: 0;
    right: 0;
    bottom: 0;
    max-height: calc(100vh - var(--nav-mobile-header-height));
    overflow-y: auto;
    background: var(--color-bg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    z-index: 1050;
    display: none !important;
    flex-direction: column !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    padding: 0;
    margin: 0;
    width: 100% !important;
  }

  .navbar-primary .navbar-collapse.show,
  .navbar-primary .navbar-collapse.collapsing {
    display: block !important;
  }

  .navbar-primary .navbar-collapse.collapsing {
    transition: height 0.35s ease;
  }

  .navbar-primary .navbar-collapse .header-utility-row {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    background: #f8fafc;
    min-height: auto;
    margin-bottom: 0;
  }

  .utility-zone-end {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    width: 100%;
  }

  .utility-links-inline {
    flex-wrap: wrap;
    gap: 0.35rem;
  }

  .utility-sep {
    display: none;
  }

  .utility-zone-actions {
    flex-wrap: wrap;
    gap: 0.5rem;
    width: 100%;
  }

  .utility-search-btn {
    flex: 1 1 auto;
    justify-content: center;
  }

  .navbar-primary .navbar-collapse .header-utility-row .utility-link {
    font-size: calc(0.75rem + 1pt);
    padding: 0.375rem 0.5rem;
  }

  .navbar-primary .navbar-nav {
    flex-direction: column !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    padding: 0 !important;
    gap: 0 !important;
    margin: 0 !important;
    width: 100%;
  }

  .navbar-primary .nav-item {
    width: 100%;
    margin: 0 !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    align-self: auto;
    display: block;
  }

  .navbar-primary .nav-item:last-child {
    border-bottom: none;
  }

  .navbar-primary .nav-link {
    padding: 1rem 1.25rem !important;
    font-size: calc(0.9375rem + 1pt) !important;
    font-weight: 500 !important;
    border-radius: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100%;
    min-height: 48px;
    line-height: 1.5;
    color: var(--color-text-heading) !important;
    text-transform: none;
    letter-spacing: 0.01em;
  }

  .navbar-primary .nav-link:hover,
  .navbar-primary .nav-link:focus {
    background-color: rgba(29, 78, 216, 0.05) !important;
    color: var(--color-primary) !important;
  }

  .navbar-primary .nav-link.active {
    background-color: rgba(29, 78, 216, 0.1) !important;
    color: var(--color-primary) !important;
    font-weight: 600 !important;
  }

  .mega-menu.isaca-style {
    position: static !important;
    width: 100% !important;
    max-width: 100% !important;
    transform: none !important;
    box-shadow: none !important;
    border-top: none !important;
    border-radius: 0 !important;
    background: #f8f9fa !important;
    max-height: none !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .mega-menu-container {
    flex-direction: column !important;
    padding: 1rem 1.25rem !important;
    gap: 1rem !important;
    max-width: 100% !important;
  }

  .mega-menu-column {
    min-width: 100% !important;
    max-width: 100% !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    padding-bottom: 0.75rem;
    margin-bottom: 0.25rem;
  }

  .mega-menu-column:last-child {
    border-bottom: none;
  }
}

@media (min-width: 768px) and (max-width: 991.98px) {
  .navbar-primary .navbar-brand img {
    height: var(--nav-logo-height);
    max-height: var(--nav-logo-height);
  }
}

@media (max-width: 767.98px) {
  :root {
    --nav-mobile-header-height: 56px;
  }

  .navbar-primary .navbar-brand img {
    height: calc(var(--nav-logo-height) * 0.8);
    max-height: calc(var(--nav-logo-height) * 0.8);
  }

  .navbar-primary .navbar-collapse .header-utility-row .utility-link span {
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media (max-width: 479.98px) {
  :root {
    --nav-mobile-header-height: 52px;
    --nav-padding-x: 0.75rem;
  }

  .navbar-primary .navbar-brand img {
    height: calc(var(--nav-logo-height) * 0.72);
    max-height: calc(var(--nav-logo-height) * 0.72);
  }

  .navbar-primary .navbar-collapse .header-utility-row {
    padding: 0.75rem 1rem;
  }

  .navbar-primary .navbar-collapse .header-utility-row .utility-link {
    font-size: var(--nav-font-utility);
  }

  .navbar-primary .nav-link {
    padding: 0.875rem 1rem !important;
    font-size: calc(0.875rem + 1pt) !important;
  }

  .mega-menu-container {
    padding: 0.75rem 1rem !important;
  }
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */

/* Focus States */
.nav-link:focus,
.utility-link:focus,
.action-link:focus,
.search-toggle:focus {
  outline: 2px solid var(--nav-text-hover);
  outline-offset: 2px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--nav-text-hover);
  color: var(--color-text-inverse);
  padding: 0.5rem 1rem;
  text-decoration: none;
  z-index: 1100;
}

.skip-link:focus {
  top: 0;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .navbar-primary {
    border-bottom-width: 2px;
  }

  .nav-link {
    border: 1px solid transparent;
  }

  .nav-link:hover,
  .nav-link.active {
    border-color: var(--nav-text-hover);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}