/* ═══════════════════════════════════════════════════════════════
   FOGS CONSULTANTS — GLOBAL NAVIGATION SYSTEM
   File: /css/global-nav.css
   Reusable navigation component for the entire FOGS web ecosystem.
   Supports dropdowns, mega-menus, mobile accordions, and active states.
   ═══════════════════════════════════════════════════════════════ */

/* ── Global Nav Shell ── */
.nav.global-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.global-nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 1.25rem;
  margin: 0.5rem auto;
  max-width: 1240px;
  min-height: 56px;
  border-radius: 1.1rem;
  position: relative;
  transition: all 0.25s ease;
  background: hsl(var(--glass-bg, 0 0% 100% / 0.88));
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid hsl(var(--glass-b, 220 20% 85% / 0.6));
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
}

[data-theme="dark"] .global-nav .nav-inner {
  background: hsl(var(--glass-bg, 224 38% 10% / 0.82));
  border: 1px solid hsl(var(--glass-b, 217 55% 45% / 0.28));
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.4);
}

@media (min-width: 1200px) {
  .global-nav .nav-inner {
    max-width: 1380px;
    padding: 0.5rem 1.75rem;
  }
}

@media (min-width: 1440px) {
  .global-nav .nav-inner {
    max-width: 1480px;
    padding: 0.5rem 2rem;
  }
}

.global-nav.scrolled .nav-inner {
  background: hsl(var(--glass-bg, 0 0% 100% / 0.95));
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid hsl(var(--glass-b, 220 20% 85% / 0.75));
  box-shadow: 0 12px 36px -4px rgba(15, 23, 42, 0.12);
}

[data-theme="dark"] .global-nav.scrolled .nav-inner {
  background: hsl(var(--glass-bg, 224 38% 9% / 0.94));
  border: 1px solid hsl(var(--glass-b, 217 55% 45% / 0.35));
  box-shadow: 0 12px 36px -4px rgba(0, 0, 0, 0.65);
}

/* ── Top-Level Links Container ── */
.global-nav .nav-links {
  display: none;
  align-items: center;
  gap: 0.25rem;
  margin: 0 0.5rem;
}

@media (min-width: 1140px) {
  .global-nav .nav-links {
    display: flex;
  }
}

.global-nav .nav-item-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 0.65rem;
  border-radius: 0.55rem;
  font-size: 0.84rem;
  font-weight: 500;
  color: hsl(var(--muted-fg));
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.18s ease;
}

.global-nav .nav-item-link:hover,
.global-nav .nav-dropdown:hover > .nav-item-link,
.global-nav .nav-dropdown:focus-within > .nav-item-link {
  color: hsl(var(--fg));
  background: hsl(var(--muted) / 0.8);
}

.global-nav .nav-item-link.active,
.global-nav .nav-dropdown.active > .nav-item-link {
  color: hsl(var(--primary));
  font-weight: 600;
  background: hsl(var(--primary) / 0.08);
}

.global-nav .nav-arrow {
  font-size: 0.72rem;
  line-height: 1;
  opacity: 0.65;
  transition: transform 0.2s ease;
}

.global-nav .nav-dropdown:hover .nav-arrow {
  transform: rotate(180deg);
  opacity: 1;
}

/* ── Dropdown Menus Base ── */
.global-nav .nav-dropdown {
  position: relative;
}

.global-nav .dropdown-menu {
  position: absolute;
  top: calc(100% + 0.45rem);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: hsl(var(--card, 0 0% 100%));
  border: 1px solid hsl(var(--border));
  border-radius: 1rem;
  box-shadow: 0 20px 45px -10px rgba(15, 23, 42, 0.16), 0 0 1px rgba(15, 23, 42, 0.1);
  padding: 0.75rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.22s;
  z-index: 110;
}

[data-theme="dark"] .global-nav .dropdown-menu {
  background: hsl(var(--card, 224 38% 9%));
  border: 1px solid hsl(var(--border, 222 26% 20%));
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.6);
}

.global-nav .nav-dropdown:hover > .dropdown-menu,
.global-nav .nav-dropdown:focus-within > .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* Safe hover buffer */
.global-nav .dropdown-menu::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
}

/* ── Dropdown Sizes & Layouts ── */
.global-nav .dropdown-about,
.global-nav .dropdown-resources {
  width: 330px;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.global-nav .dropdown-industries {
  width: 680px;
  max-width: 94vw;
  padding: 1rem 1.15rem;
}

.global-nav .industries-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.85rem;
}

/* Service Page: All Services / Ecosystem Switcher Dropdown */
.global-nav .dropdown-all-services {
  width: 640px;
  max-width: 94vw;
  padding: 1rem 1.15rem;
}

.global-nav .services-switch-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.45rem 0.75rem;
}

.global-nav .services-switch-footer {
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px solid hsl(var(--border));
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: hsl(var(--muted-fg));
}

.global-nav .services-switch-footer a {
  font-weight: 700;
  color: hsl(var(--primary));
  text-decoration: none;
}

/* Mega Menu: Services (4 Columns) */
.global-nav .dropdown-services {
  width: 890px;
  max-width: 94vw;
  padding: 1.1rem;
}

.global-nav .mega-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}

.global-nav .mega-col {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.global-nav .mega-head {
  font-size: 0.73rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: hsl(var(--primary));
  padding: 0.2rem 0.5rem 0.4rem;
  border-bottom: 1px solid hsl(var(--border));
  margin-bottom: 0.3rem;
}

/* Mega Menu: Ecosystem */
.global-nav .dropdown-ecosystem {
  width: 860px;
  max-width: 94vw;
  padding: 1.1rem;
}

.global-nav .mega-header-strip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 0.8rem;
  margin-bottom: 0.85rem;
  border-bottom: 1px solid hsl(var(--border));
}

.global-nav .mhs-tag {
  background: hsl(var(--primary) / 0.12);
  color: hsl(var(--primary));
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}

.global-nav .mhs-desc {
  font-size: 0.8rem;
  color: hsl(var(--muted-fg));
}

.global-nav .ecosystem-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.global-nav .mega-bottom-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid hsl(var(--border));
  font-size: 0.84rem;
  color: hsl(var(--muted-fg));
}

.global-nav .mega-badge-card {
  background: hsl(var(--muted) / 0.6);
  border: 1px solid hsl(var(--border));
  border-radius: 0.65rem;
  padding: 0.65rem;
  font-size: 0.78rem;
}

.global-nav .mbc-title {
  font-weight: 700;
  color: hsl(var(--fg));
  margin-bottom: 0.2rem;
}

.global-nav .mbc-desc {
  color: hsl(var(--muted-fg));
  line-height: 1.4;
}

/* ── Dropdown Item Elements ── */
.global-nav .drop-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.5rem 0.6rem;
  border-radius: 0.6rem;
  text-decoration: none;
  color: hsl(var(--fg));
  transition: all 0.15s ease;
}

.global-nav .drop-item:hover,
.global-nav .drop-item:focus {
  background: hsl(var(--muted) / 0.9);
  transform: translateX(2px);
}

.global-nav .drop-item .di-icon {
  font-size: 1.15rem;
  line-height: 1.2;
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.global-nav .drop-item .di-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.global-nav .drop-item strong {
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.25;
  color: hsl(var(--fg));
  white-space: normal;
  word-break: normal;
}

.global-nav .drop-item small {
  font-size: 0.74rem;
  color: hsl(var(--muted-fg));
  line-height: 1.35;
  margin-top: 0.15rem;
  white-space: normal;
  word-break: normal;
}

.global-nav .drop-item:hover strong {
  color: hsl(var(--primary));
}

/* Ecosystem Items with WebP Icon */
.global-nav .eco-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.65rem;
  border-radius: 0.65rem;
  text-decoration: none;
  background: hsl(var(--muted) / 0.35);
  border: 1px solid hsl(var(--border) / 0.7);
  transition: all 0.16s ease;
}

.global-nav .eco-item:hover {
  background: hsl(var(--card));
  border-color: hsl(var(--primary) / 0.4);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
  transform: translateY(-1px);
}

.global-nav .eco-item img {
  width: 28px;
  height: 25px;
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.global-nav .eco-item .eco-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.global-nav .eco-item strong {
  font-size: 0.83rem;
  font-weight: 700;
  color: hsl(var(--fg));
  line-height: 1.2;
}

.global-nav .eco-item small {
  font-size: 0.71rem;
  color: hsl(var(--muted-fg));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 0.1rem;
}

.global-nav .eco-item:hover strong {
  color: hsl(var(--primary));
}

/* ── Mobile Menu Accordion Drawer ── */
.mob-menu.global-mob-menu {
  display: none;
  position: fixed;
  top: 96px;
  left: 0.85rem;
  right: 0.85rem;
  z-index: 99;
  background: hsl(var(--card, 0 0% 100%));
  border: 1px solid hsl(var(--border));
  border-radius: 1.1rem;
  box-shadow: 0 20px 50px -10px rgba(15, 23, 42, 0.22);
  padding: 1rem;
  max-height: calc(88vh - 100px);
  overflow-y: auto;
  overscroll-behavior: contain;
  flex-direction: column;
  gap: 0.35rem;
}

[data-theme="dark"] .mob-menu.global-mob-menu {
  background: hsl(var(--card, 224 38% 9%));
  border-color: hsl(var(--border, 222 26% 22%));
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.6);
}

.mob-menu.global-mob-menu.open {
  display: flex;
}

.mob-menu .mm-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  border-radius: 0.6rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: hsl(var(--fg));
  text-decoration: none;
  transition: background 0.15s ease;
}

.mob-menu .mm-link:hover {
  background: hsl(var(--muted));
}

.mob-menu .mm-link.active {
  color: hsl(var(--primary));
  background: hsl(var(--primary) / 0.08);
}

/* Mobile Accordions */
.mob-menu details.mm-group {
  border-radius: 0.6rem;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.mob-menu details.mm-group[open] {
  background: hsl(var(--muted) / 0.4);
  border-color: hsl(var(--border));
}

.mob-menu summary.mm-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  border-radius: 0.6rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: hsl(var(--fg));
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.mob-menu summary.mm-summary::-webkit-details-marker {
  display: none;
}

.mob-menu summary.mm-summary .mm-chevron {
  font-size: 0.75rem;
  opacity: 0.6;
  transition: transform 0.2s ease;
}

.mob-menu details.mm-group[open] summary.mm-summary .mm-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

.mob-menu .mm-sub {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.4rem 0.5rem 0.75rem 1rem;
}

.mob-menu .mm-sub-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: hsl(var(--primary));
  margin: 0.4rem 0 0.2rem;
}

.mob-menu .mm-sub a {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.65rem;
  border-radius: 0.5rem;
  font-size: 0.84rem;
  color: hsl(var(--muted-fg));
  text-decoration: none;
}

.mob-menu .mm-sub a:hover {
  color: hsl(var(--fg));
  background: hsl(var(--muted));
}

.mob-menu .mm-sub a.active {
  color: hsl(var(--primary));
  font-weight: 600;
}

/* Mobile Actions Block */
.mob-menu .mm-actions-card {
  margin-top: 0.6rem;
  padding-top: 0.8rem;
  border-top: 1px solid hsl(var(--border));
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.mob-menu .mm-actions-card .btn {
  width: 100%;
  justify-content: center;
  padding: 0.75rem 1rem;
  font-size: 0.88rem;
}

.mob-menu .mm-contact-strip {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0.5rem 0;
  font-size: 0.8rem;
  color: hsl(var(--muted-fg));
}

.mob-menu .mm-contact-strip a {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.mob-menu .mm-contact-strip a:hover {
  color: hsl(var(--primary));
}

/* ── Nav Actions & Action Buttons ── */
.global-nav .nav-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
  margin-left: auto;
}

.global-nav .icon-btn,
.global-nav .theme-toggle-btn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.55rem;
  background: hsl(var(--muted, 220 22% 95%));
  border: 1px solid hsl(var(--border, 220 20% 89%));
  cursor: pointer;
  color: hsl(var(--fg, 222 40% 12%));
  transition: all 0.2s ease;
  padding: 0;
  flex-shrink: 0;
}

[data-theme="dark"] .global-nav .icon-btn,
[data-theme="dark"] .global-nav .theme-toggle-btn {
  background: hsl(var(--card, 224 38% 12%));
  border-color: hsl(var(--border, 222 26% 22%));
  color: hsl(var(--fg, 220 20% 95%));
}

.global-nav .icon-btn:hover,
.global-nav .theme-toggle-btn:hover {
  background: hsl(var(--primary, 222 70% 32%) / 0.12);
  border-color: hsl(var(--primary, 222 70% 32%) / 0.35);
  color: hsl(var(--primary, 222 70% 32%));
}

.global-nav .mob-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 0.55rem;
  background: hsl(var(--muted, 220 22% 95%));
  border: 1px solid hsl(var(--border, 220 20% 89%));
  color: hsl(var(--fg, 222 40% 12%));
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

[data-theme="dark"] .global-nav .mob-toggle {
  background: hsl(var(--card, 224 38% 12%));
  border-color: hsl(var(--border, 222 26% 22%));
  color: hsl(var(--fg, 220 20% 95%));
}

@media (min-width: 1140px) {
  .global-nav .mob-toggle {
    display: none;
  }
}

.global-nav .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: inherit;
  font-weight: 600;
  text-decoration: none;
  border-radius: 0.65rem;
  transition: all 0.2s ease;
  white-space: nowrap;
  line-height: 1;
}

.global-nav .btn-sm {
  padding: 0.52rem 0.95rem;
  font-size: 0.82rem;
}

.global-nav .btn-primary {
  background: var(--grad, linear-gradient(135deg, hsl(222 70% 30%), hsl(199 90% 50%)));
  color: #fff !important;
  border: 1px solid transparent;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.12);
}

.global-nav .btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.2);
}

.global-nav .btn-ghost {
  background: transparent;
  border: 1px solid hsl(var(--border, 220 20% 89%));
  color: hsl(var(--fg, 222 40% 12%));
}

.global-nav .btn-ghost:hover {
  background: hsl(var(--muted, 220 22% 95%));
  border-color: hsl(var(--fg) / 0.25);
}