/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-navy);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 15px 0;
  transition: all var(--transition-speed) ease;
}

.header.sticky {
  padding: 10px 0;
  background-color: rgba(0, 34, 51, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.header .main-menu {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand Logo */
.brand svg {
  height: 32px;
  width: auto;
  fill: var(--color-white);
  display: block;
}

/* Nav Styles - Desktop */
.nav-primary {
  display: flex;
  align-items: center;
}

.nav-primary ul {
  display: flex;
  list-style: none;
  gap: 25px;
}

.nav-primary ul li {
  position: relative;
}

.nav-primary ul li a {
  color: var(--color-white);
  font-family: var(--font-header);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 5px;
}

.nav-primary ul li a::after {
  content: '▾';
  font-size: 0.8rem;
  transition: transform var(--transition-speed) ease;
}

.nav-primary ul li a:hover {
  color: var(--color-primary);
}

/* Submenu dropdown */
.nav-primary ul li .sub-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background-color: var(--color-navy);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  min-width: 220px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  padding: 10px 0;
  gap: 0;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-speed) ease;
}

.nav-primary ul li:hover .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-primary ul li:hover > a::after {
  transform: rotate(180deg);
}

.nav-primary ul li .sub-menu li a {
  padding: 10px 20px;
  font-size: 0.88rem;
  width: 100%;
  color: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.nav-primary ul li .sub-menu li a::after {
  display: none; /* remove arrow for sub-items */
}

.nav-primary ul li .sub-menu li a:hover {
  background-color: rgba(0, 219, 255, 0.1);
  color: var(--color-primary);
  padding-left: 25px;
}

.nav-primary ul li .sub-menu li:last-child a {
  border-bottom: none;
}

/* Right Menu Info (Buttons, Languages) */
.menu-info {
  display: flex;
  align-items: center;
  gap: 15px;
}

.menu-info .btn {
  font-size: 0.85rem;
}

/* Language selector */
.langs-option {
  position: relative;
}

.langs-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  overflow: hidden;
  width: 26px;
  height: 26px;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.langs-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.langs-drop {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background-color: var(--color-navy);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-sm);
  list-style: none;
  padding: 5px 0;
  min-width: 80px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(5px);
  transition: all var(--transition-speed) ease;
}

.langs-option:hover .langs-drop {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.langs-drop li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  font-size: 0.8rem;
  color: var(--color-white);
}

.langs-drop li a:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--color-primary);
}

.langs-drop li img {
  width: 18px;
  height: 12px;
  object-fit: cover;
  border-radius: 2px;
}

/* Mobile Toggler */
.navbar-toggler {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  z-index: 1001;
}

.navbar-toggler-icon {
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  transition: all var(--transition-speed) ease;
}

/* Mobile Menu Panel */
.nav-primary-mobile {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background-color: var(--color-navy-dark);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
  padding: 80px 30px 40px;
  overflow-y: auto;
  transition: right var(--transition-speed) ease-in-out;
  display: flex;
  flex-direction: column;
  gap: 30px;
  z-index: 999;
}

.nav-primary-mobile.open {
  right: 0;
}

.nav-primary-mobile ul.nav-mobile {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.nav-primary-mobile ul.nav-mobile > li > a {
  color: var(--color-white);
  font-size: 1.1rem;
  font-family: var(--font-header);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-primary-mobile ul.nav-mobile > li > a::after {
  content: '+';
  font-size: 1.2rem;
}

.nav-primary-mobile ul.nav-mobile > li.expanded > a::after {
  content: '-';
}

.nav-primary-mobile ul.nav-mobile .sub-menu {
  list-style: none;
  padding-left: 15px;
  margin-top: 5px;
  display: none;
  flex-direction: column;
  gap: 10px;
}

.nav-primary-mobile ul.nav-mobile > li.expanded .sub-menu {
  display: flex;
}

.nav-primary-mobile ul.nav-mobile .sub-menu a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  padding: 6px 0;
  display: block;
}

.nav-primary-mobile ul.nav-mobile .sub-menu a:hover {
  color: var(--color-primary);
}

.nav-primary-mobile .menu-info-mobile {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 20px;
}

.nav-primary-mobile .langs-mobile {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 10px;
}

.nav-primary-mobile .langs-btn-mobile {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-white);
  font-size: 0.9rem;
}

.nav-primary-mobile .langs-btn-mobile img {
  width: 22px;
  height: 14px;
  object-fit: cover;
  border-radius: 2px;
}

/* Overlay for Mobile Menu */
.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-speed) ease;
}

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

/* Animations for Hamburger to Close Cross */
.navbar-toggler.open .navbar-toggler-icon:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.navbar-toggler.open .navbar-toggler-icon:nth-child(2) {
  opacity: 0;
}

.navbar-toggler.open .navbar-toggler-icon:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Responsive Display */
@media (max-width: 991px) {
  .nav-primary, .menu-info {
    display: none !important;
  }
  .navbar-toggler {
    display: flex;
  }
}