/* ============================================
   GES Logistics - Navigation Header
   Desktop and mobile navigation with dropdowns
   ============================================ */

/* ===== Header Container ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--color-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.site-header.sticky {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.site-header.hidden {
  transform: translateY(-100%);
}

.header-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* ===== Logo ===== */
.header-logo a {
  text-decoration: none;
  color: var(--color-navy);
  font-size: 24px;
  font-weight: 700;
  transition: color 0.2s ease;
}

.header-logo a:hover {
  color: var(--color-teal);
}

.logo-text {
  display: inline-block;
}

/* ===== Desktop Navigation ===== */
.header-nav {
  flex: 1;
  margin: 0 48px;
}

.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-primary);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-navy);
  text-decoration: none;
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-teal);
}

.dropdown-icon {
  transition: transform 0.2s ease;
}

.nav-item.has-dropdown .nav-link[aria-expanded="true"] .dropdown-icon {
  transform: rotate(180deg);
}

/* ===== Dropdowns ===== */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
  padding: 16px 0;
  min-width: 280px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

/* Bridge the gap between nav item and dropdown */
.nav-dropdown::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
  background: transparent;
}

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

/* Keep dropdown visible on hover */
.nav-item.has-dropdown:hover .nav-dropdown,
.nav-item.has-dropdown:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dropdown-link {
  display: block;
  padding: 12px 24px;
  font-size: 15px;
  color: var(--color-navy);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.dropdown-link:hover {
  background: var(--color-gray-light);
  color: var(--color-teal);
}

/* ===== Header Utilities ===== */
.header-utilities {
  display: flex;
  align-items: center;
  gap: 24px;
}

/* ===== Language Switcher ===== */
.language-switcher {
  position: relative;
}

.lang-button {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: none;
  border: 1px solid var(--color-gray-300);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-navy);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.lang-button:hover {
  border-color: var(--color-teal);
  background: var(--color-gray-100);
}

.lang-flag {
  font-size: 16px;
}

.lang-code {
  font-family: var(--font-primary);
}

.lang-arrow {
  transition: transform 0.2s ease;
}

.lang-button[aria-expanded="true"] .lang-arrow {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  padding: 8px 0;
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

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

.lang-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--color-navy);
  text-decoration: none;
  transition: background 0.2s ease;
}

.lang-option:hover {
  background: var(--color-gray-100);
}

.lang-option.active {
  background: var(--color-teal-light);
  color: var(--color-teal);
  font-weight: 600;
}

/* ===== Primary CTA Button ===== */
.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background: var(--color-orange);
  color: var(--color-white);
  font-family: var(--font-primary);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-cta-primary:hover {
  background: #E55A2A;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.btn-cta-primary:active {
  transform: translateY(0);
}

/* ===== Mobile Menu Toggle (Hidden on Desktop) ===== */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 22px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger-line {
  width: 100%;
  height: 3px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(9.5px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-9.5px) rotate(-45deg);
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  position: fixed;
  top: 0;
  left: -100%;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  background: var(--color-white);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
  z-index: 1100;
  overflow-y: auto;
  transition: left 0.3s ease;
}

.mobile-menu.open {
  left: 0;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  border-bottom: 1px solid var(--color-gray-300);
}

.mobile-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-navy);
}

.mobile-menu-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-nav {
  padding: 24px;
}

/* Mobile Navigation Sections */
.mobile-nav-section {
  margin-bottom: 16px;
}

.mobile-nav-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--color-gray-100);
  border: none;
  border-radius: 6px;
  font-family: var(--font-primary);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-navy);
  cursor: pointer;
  text-align: left;
  transition: background 0.2s ease;
}

.mobile-nav-trigger:hover {
  background: var(--color-gray-200);
}

.mobile-dropdown-icon {
  transition: transform 0.2s ease;
}

.mobile-nav-trigger[aria-expanded="true"] .mobile-dropdown-icon {
  transform: rotate(180deg);
}

.mobile-nav-dropdown {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

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

.mobile-nav-link {
  display: block;
  padding: 12px 24px;
  font-size: 15px;
  color: var(--color-gray-700);
  text-decoration: none;
  transition: color 0.2s ease;
}

.mobile-nav-link:hover {
  color: var(--color-teal);
}

.mobile-nav-link-direct {
  display: block;
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-navy);
  text-decoration: none;
  margin-bottom: 8px;
  border-radius: 6px;
  transition: background 0.2s ease;
}

.mobile-nav-link-direct:hover {
  background: var(--color-gray-100);
}

/* Mobile CTA */
.mobile-nav-cta {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--color-gray-300);
}

.btn-full-width {
  width: 100%;
}

/* Mobile Language Switcher */
.mobile-lang-switch {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-gray-300);
}

.mobile-lang-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  font-size: 15px;
  color: var(--color-navy);
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.2s ease;
}

.mobile-lang-option:hover {
  background: var(--color-gray-100);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* ===== Responsive Breakpoints ===== */

/* Tablet and below: Show mobile menu */
@media (max-width: 1024px) {
  .header-nav {
    display: none;
  }

  .header-utilities .btn-cta-primary {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }
}

/* Mobile: Smaller header */
@media (max-width: 768px) {
  .header-container {
    height: 70px;
    padding: 0 16px;
  }

  .header-logo a {
    font-size: 20px;
  }

  .header-utilities {
    gap: 16px;
  }

  .lang-button {
    padding: 6px 10px;
    font-size: 13px;
  }
}

/* Very small mobile */
@media (max-width: 375px) {
  .header-container {
    height: 64px;
  }

  .mobile-menu {
    width: 100%;
    max-width: 100vw;
  }
}