/* ============================================================
   UBCAR.ro — Header & Navigation Styles
   ============================================================ */

/* ----------------------------------------
   Header
   ---------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  height: var(--header-height);
  transition: box-shadow var(--transition-base);
}

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

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ----------------------------------------
   Logo
   ---------------------------------------- */
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
  min-width: 0;
}

.header__logo-img {
  width: 80px;
  height: auto;
  object-fit: contain;
}

.header__logo-text {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-700);
  letter-spacing: var(--letter-spacing-tight);
  line-height: 1.2;
}

.header__logo-text span {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
  letter-spacing: var(--letter-spacing-normal);
}

/* Mobile: hide subtitle, shrink logo image */
@media (max-width: 767px) {
  .header__logo {
    gap: var(--space-2);
    flex-shrink: 1;
  }

  .header__logo-img {
    width: 48px;
  }

  .header__logo-text {
    font-size: var(--font-size-base);
  }

  .header__logo-text span {
    display: none;
  }
}

/* Very small screens: reduce further */
@media (max-width: 374px) {
  .header__logo-img {
    width: 40px;
  }

  .header__logo-text {
    font-size: var(--font-size-sm);
  }

  .lang-switch {
    padding: var(--space-1);
  }

  .lang-switch__option {
    padding: var(--space-1);
    font-size: var(--font-size-xs);
  }
}

/* Tablet: show subtitle but truncate if needed */
@media (min-width: 768px) and (max-width: 1023px) {
  .header__logo-img {
    width: 60px;
  }

  .header__logo-text span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
  }
}

/* ----------------------------------------
   Desktop Navigation
   ---------------------------------------- */
.nav {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.nav__link:hover {
  color: var(--color-primary-600);
  background-color: var(--color-primary-50);
}

.nav__link--active {
  color: var(--color-primary-700);
  background-color: var(--color-primary-50);
  font-weight: var(--font-weight-semibold);
}

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

.nav__dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  padding: var(--space-2);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
}

.nav__item:hover .nav__dropdown,
.nav__item:focus-within .nav__dropdown {
  display: block;
}

.nav__dropdown-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav__dropdown-link:hover {
  background-color: var(--color-primary-50);
  color: var(--color-primary-700);
}

.nav__dropdown-link--sub {
  padding-left: var(--space-6);
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

.nav__dropdown-link--sub:hover {
  color: var(--color-primary-600);
}

.nav__dropdown-link--active + .nav__dropdown-link--sub {
  font-weight: var(--font-weight-medium);
}

/* ----------------------------------------
   Header Actions (Language Switcher)
   ---------------------------------------- */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .header__actions {
    gap: var(--space-1);
  }
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  background-color: transparent;
  text-decoration: none;
}

.lang-switch__option {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.lang-switch__option:hover {
  color: var(--color-primary-600);
}

.lang-switch__option--active {
  background-color: var(--color-primary-600);
  color: var(--color-white);
}

.lang-switch__option--active:hover {
  color: var(--color-white);
}

.lang-switch__separator {
  color: var(--color-gray-300);
  font-size: var(--font-size-xs);
  -webkit-user-select: none;
  user-select: none;
}

/* ----------------------------------------
   Mobile Menu Button
   ---------------------------------------- */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.menu-toggle:hover {
  background-color: var(--color-gray-100);
}

.menu-toggle__icon {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 24px;
  height: 24px;
}

.menu-toggle__icon span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-gray-700);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Hamburger → X animation */
.menu-toggle--open .menu-toggle__icon span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle--open .menu-toggle__icon span:nth-child(2) {
  opacity: 0;
}

.menu-toggle--open .menu-toggle__icon span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ----------------------------------------
   Mobile Navigation
   ---------------------------------------- */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-white);
  z-index: var(--z-overlay);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-6);
  border-top: 1px solid var(--color-gray-200);
}

.mobile-nav--open {
  display: block;
}

.mobile-nav__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-nav__link:hover,
.mobile-nav__link--active {
  background-color: var(--color-primary-50);
  color: var(--color-primary-700);
}

.mobile-nav__sub {
  padding-left: var(--space-6);
  list-style: none;
}

.mobile-nav__sub-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-nav__sub-link:hover {
  background-color: var(--color-primary-50);
  color: var(--color-primary-700);
}

.mobile-nav__sub-link--indent {
  padding-left: var(--space-8);
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.mobile-nav__divider {
  height: 1px;
  background-color: var(--color-gray-200);
  margin: var(--space-4) 0;
}

/* ----------------------------------------
   Desktop breakpoint
   ---------------------------------------- */
@media (min-width: 1024px) {
  .nav {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }

  .mobile-nav {
    display: none !important;
  }
}