/* Navigation Styles */

/* Header */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  z-index: 50;
  transition: box-shadow var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-lg);
}

.header-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.header-content {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: 5rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.logo:hover {
  color: var(--color-primary-dark);
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  margin-right: var(--spacing-2);
  fill: currentColor;
}

/* Navigation */
.nav {
  display: none;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
  }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}

.nav-link {
  color: var(--color-gray-700);
  text-decoration: none;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: 0.375rem;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-gray-50);
}

.nav-link.active {
  color: var(--color-primary);
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  background: none;
  border: none;
  /* inherit via classes; avoid font shorthand to not override text-sm/font-bold */
  color: var(--color-gray-700);
  cursor: pointer;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: 0.375rem;
  transition: all var(--transition-fast);
}

.dropdown-trigger:hover {
  color: var(--color-primary);
  background-color: var(--color-gray-50);
}

.dropdown-trigger.active {
  color: var(--color-primary);
}

.dropdown-trigger svg {
  width: 1rem;
  height: 1rem;
  transition: transform var(--transition-fast);
}

.dropdown-trigger.active svg {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-white);
  border-radius: 0.75rem;
  box-shadow: var(--shadow-xl);
  width: 20rem;
  padding: var(--spacing-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.5rem);
  transition: all var(--transition-normal);
  z-index: 60;
  margin-top: var(--spacing-3);
}

.dropdown:hover .dropdown-menu,
.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.dropdown-item {}

.dropdown-link {
  display: block;
  padding: var(--spacing-3) var(--spacing-4);
  color: var(--color-gray-700);
  text-decoration: none;
  border-radius: 0.5rem;
  transition: all var(--transition-fast);
  min-height: auto;
}

.dropdown-link:hover {
  color: var(--color-primary);
  background-color: var(--color-blue-50);
}

.dropdown-link strong {
  display: block;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-1);
  font-weight: 600;
}

.dropdown-link small {
  display: block;
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
}

/* Icon sizing inside dropdowns */
.dropdown-link i[data-lucide] {
  width: 1rem;
  height: 1rem;
  margin-right: var(--spacing-2);
  vertical-align: middle;
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gray-700);
  border-radius: 0.375rem;
  transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
  color: var(--color-primary);
  background-color: var(--color-gray-50);
}

@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.mobile-menu {
  position: fixed;
  top: 4rem;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: 40;
  max-height: calc(100vh - 4rem);
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-nav-list {
  list-style: none;
  padding: var(--spacing-4);
}

.mobile-nav-item {
  margin-bottom: var(--spacing-2);
}

.mobile-nav-link {
  display: block;
  padding: var(--spacing-3) var(--spacing-4);
  color: var(--color-gray-700);
  text-decoration: none;
  font-weight: 500;
  border-radius: 0.5rem;
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-gray-50);
}

.mobile-dropdown-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  font: inherit;
  color: var(--color-gray-700);
  cursor: pointer;
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: 0.5rem;
  transition: all var(--transition-fast);
}

.mobile-dropdown-trigger:hover {
  color: var(--color-primary);
  background-color: var(--color-gray-50);
}

.mobile-dropdown-trigger svg {
  width: 1rem;
  height: 1rem;
  transition: transform var(--transition-fast);
}

.mobile-dropdown-trigger.active svg {
  transform: rotate(180deg);
}

.mobile-dropdown-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.mobile-dropdown-menu.active {
  max-height: 500px;
}

.mobile-dropdown-list {
  list-style: none;
  padding: 0 var(--spacing-4);
}

.mobile-dropdown-item {
  margin-bottom: var(--spacing-1);
}

.mobile-dropdown-link {
  display: block;
  padding: var(--spacing-2) var(--spacing-4);
  color: var(--color-gray-600);
  text-decoration: none;
  font-size: var(--font-size-sm);
  border-radius: 0.375rem;
  transition: all var(--transition-fast);
}

.mobile-dropdown-link:hover {
  color: var(--color-primary);
  background-color: var(--color-gray-50);
}

/* Overlay */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 30;
}

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

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-gray-900);
  color: var(--color-white);
  padding: 8px;
  text-decoration: none;
  border-radius: 0 0 4px 4px;
  z-index: 100;
  transition: top var(--transition-fast);
}

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