/*
 * Copyright (C) 2025 Deutsche Lufthansa AG. All rights reserved.
 *
 * This software is the confidential and proprietary information of Deutsche Lufthansa AG.
 */

/* ========================================
   Microsite Header Styles
   ======================================== */

:root {
  --header-bg: #ffffff;
  --header-border: #e0e0e0;
  --header-text: #05164d;
  --header-text-hover: #0066cc;
  --header-dropdown-bg: #f5f5f5;
  --header-nav-hover-bg: #e6f2ff;
  --header-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --header-height: 80px;
  --header-mobile-height: 60px;
  --transition-speed: 0.3s;
  --z-header: 1000;
  --z-dropdown: 999;
  --z-mobile-menu: 1001;
  --z-overlay: 998;
}

/* ========================================
   Body Padding for Fixed Header
   ======================================== */

body {
  padding-top: calc(var(--header-height) + 30px);
}

/* ========================================
   Header Container
   ======================================== */

.microsite-header {
  position: fixed;
  top: 15px;
  left: 15px;
  right: 15px;
  border-radius: 12px;
  background-color: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  box-shadow: var(--header-shadow);
  z-index: var(--z-header);
  transition: transform var(--transition-speed) ease-in-out;
}

.microsite-header.header-hidden {
  transform: translateY(calc(-100% - 15px));
}

.microsite-header.header-visible {
  transform: translateY(0);
}

.microsite-header__container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

/* ========================================
   Logo
   ======================================== */

.microsite-header__logo {
  flex-shrink: 0;
}

.microsite-header__logo-img {
  height: 35px;
  width: auto;
  cursor: pointer;
  display: block;
}

/* ========================================
   Desktop Navigation
   ======================================== */

.microsite-header__nav--desktop {
  flex: 1;
  display: none;
}

.microsite-header__nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.microsite-header__nav-item {
  position: relative;
}

.microsite-header__nav-button {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: none;
  border: none;
  color: var(--header-text);
  font-size: 16px;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 4px;
  white-space: nowrap;
  outline: none;
}

.microsite-header__nav-button:hover,
.microsite-header__nav-button:focus {
  background-color: var(--header-nav-hover-bg);
  color: var(--header-text);
  outline: none;
  border: none;
}

.microsite-header__nav-button.active {
  background-color: var(--header-nav-hover-bg);
  color: var(--header-text);
  outline: none;
  border: none;
}

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

.microsite-header__nav-button.active .microsite-header__nav-icon {
  transform: rotate(180deg);
}

/* ========================================
   Search Button
   ======================================== */

.microsite-header__search--desktop {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: none;
  border: 1px solid var(--header-border);
  border-radius: 4px;
  color: var(--header-text);
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
  text-decoration: none;
  padding: 0;
  margin-bottom: 0;
}

.microsite-header__search--desktop img {
  display: block;
  width: 24px;
  height: 24px;
}

.microsite-header__search--desktop:hover,
.microsite-header__search--desktop:focus {
  background-color: var(--header-dropdown-bg);
  border-color: var(--header-text);
  text-decoration: none;
}

/* ========================================
   Dropdown Menu
   ======================================== */

.microsite-header__dropdown {
  position: absolute;
  top: calc(var(--header-height) + 10px);
  left: 0;
  right: 0;
  border-radius: 12px;
  background-color: var(--header-bg);
  box-shadow: var(--header-shadow);
  z-index: var(--z-dropdown);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-speed) ease-in-out;
}

.microsite-header__dropdown.active {
  max-height: 500px;
}

.microsite-header__dropdown-container {
  width: 70%;
  max-width: 1440px;
  margin-left: 25px;
  margin-right: auto;
  padding: 40px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 48px;
}

.microsite-header__dropdown-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.microsite-header__dropdown-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--header-text);
  margin: 0 0 8px 0;
}

.microsite-header__dropdown-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.microsite-header__dropdown-link {
  color: var(--header-text);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
  display: block;
  font-weight: normal;
}

.microsite-header__dropdown-link:hover,
.microsite-header__dropdown-link:focus {
  color: var(--header-text-hover);
  text-decoration: none;
}

/* ========================================
   Mobile Menu Toggle
   ======================================== */

.microsite-header__menu-toggle--mobile {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 32px;
  height: 24px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.microsite-header__menu-icon {
  width: 100%;
  height: 2px;
  background-color: var(--header-text);
  transition: all 0.3s ease;
}

.microsite-header__menu-toggle--mobile.active .microsite-header__menu-icon:nth-child(1) {
  transform: translateY(11px) rotate(45deg);
}

.microsite-header__menu-toggle--mobile.active .microsite-header__menu-icon:nth-child(2) {
  opacity: 0;
}

.microsite-header__menu-toggle--mobile.active .microsite-header__menu-icon:nth-child(3) {
  transform: translateY(-11px) rotate(-45deg);
}

/* ========================================
   Mobile Menu
   ======================================== */

.microsite-header__mobile-menu {
  position: fixed;
  top: 0;
  right: -110%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  border-radius: 12px;
  background-color: var(--header-bg);
  box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
  z-index: var(--z-mobile-menu);
  transition: right var(--transition-speed) ease-in-out;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.microsite-header__mobile-menu.active {
  right: 0;
}

.microsite-header__mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--header-border);
  background-color: var(--header-bg);
}

.microsite-header__mobile-logo {
  height: 28px;
  width: auto;
}

.microsite-header__mobile-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  color: var(--header-text);
  cursor: pointer;
  padding: 0;
}

.microsite-header__mobile-nav {
  flex: 1;
  padding: 0;
  overflow-y: auto;
}

.microsite-header__mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.microsite-header__mobile-nav-item {
  border-bottom: none;
}

.microsite-header__mobile-nav-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--header-text);
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: background-color 0.2s ease;
}

.microsite-header__mobile-nav-button:hover {
  background-color: var(--header-dropdown-bg);
}

.microsite-header__mobile-nav-icon {
  transition: transform 0.2s ease;
  width: 8px;
  height: 14px;
  flex-shrink: 0;
}

.microsite-header__mobile-nav-button.active .microsite-header__mobile-nav-icon {
  transform: rotate(90deg);
}

.microsite-header__mobile-submenu {
  position: fixed;
  top: 0;
  left: 100%;
  width: 100%;
  height: 100vh;
  border-radius: 12px;
  background-color: var(--header-bg);
  z-index: var(--z-mobile-menu);
  transition: left var(--transition-speed) ease-in-out;
  overflow-y: auto;
  display: none;
  flex-direction: column;
}

.microsite-header__mobile-submenu.active {
  left: 0;
  display: flex;
}

.microsite-header__mobile-submenu-header {
  display: flex;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--header-border);
  background-color: var(--header-bg);
}

.microsite-header__mobile-submenu-back {
  display: flex;
  align-items: center;
  background: none;
  border: none;
  color: var(--header-text);
  cursor: pointer;
  padding: 0;
  margin-right: 12px;
}

.microsite-header__mobile-submenu-back svg {
  width: 24px;
  height: 24px;
}

.microsite-header__mobile-submenu-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--header-text);
  margin: 0;
}

.microsite-header__mobile-submenu-content {
  flex: 1;
  padding: 0;
  overflow-y: auto;
}

.microsite-header__mobile-submenu-section {
  padding: 24px 24px 16px 24px;
}

.microsite-header__mobile-submenu-section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--header-text);
  margin: 0 0 16px 0;
  text-transform: none;
}

.microsite-header__mobile-submenu-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.microsite-header__mobile-submenu-link {
  color: var(--header-text);
  text-decoration: none;
  font-size: 16px;
  display: block;
  padding: 0;
  margin-bottom: 0;
  font-weight: 400;
  line-height: 1.5;
}

.microsite-header__mobile-submenu-link:hover,
.microsite-header__mobile-submenu-link:focus {
  color: var(--header-text-hover);
}

.microsite-header__mobile-search {
  padding: 24px;
  background-color: var(--header-bg);
}

.microsite-header__search-button {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: none;
  border: 1px solid var(--header-border);
  border-radius: 8px;
  color: var(--header-text);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.microsite-header__search-button:hover {
  background-color: var(--header-dropdown-bg);
}

.microsite-header__search-button svg {
  width: 24px;
  height: 24px;
}

/* ========================================
   Overlay
   ======================================== */

.microsite-header__overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-speed) ease-in-out, visibility var(--transition-speed) ease-in-out;
}

.microsite-header__overlay.active {
  opacity: 1;
  visibility: visible;
}

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

/* Tablet: 768px - 1023px - Use mobile menu */
@media (min-width: 768px) and (max-width: 1023px) {
  .microsite-header__nav--desktop {
    display: none;
  }

  .microsite-header__search--desktop {
    display: none;
  }

  .microsite-header__menu-toggle--mobile {
    display: flex;
  }
}

/* Desktop: 1024px and up - Show full navigation */
@media (min-width: 1024px) {
  .microsite-header__nav--desktop {
    display: block;
  }

  .microsite-header__search--desktop {
    display: flex;
  }

  .microsite-header__menu-toggle--mobile {
    display: none;
  }

  .microsite-header__mobile-menu {
    display: none;
  }

  .microsite-header__mobile-submenu {
    display: none;
  }
}

@media (max-width: 767px) {
  body {
    padding-top: calc(var(--header-mobile-height) + 30px);
  }

  .microsite-header__container {
    height: var(--header-mobile-height);
    padding: 0 16px;
  }

  .microsite-header__logo-img {
    height: 32px;
  }

  .microsite-header__dropdown {
    top: var(--header-mobile-height);
  }
}

/* ========================================
   Accessibility
   ======================================== */

.microsite-header__nav-button:focus-visible,
.microsite-header__search--desktop:focus-visible,
.microsite-header__menu-toggle--mobile:focus-visible,
.microsite-header__mobile-close:focus-visible,
.microsite-header__mobile-nav-button:focus-visible,
.microsite-header__dropdown-link:focus-visible,
.microsite-header__mobile-submenu-link:focus-visible {
  outline: 2px solid var(--header-text-hover);
  outline-offset: 2px;
}

/* Skip to main content link */
.skip-to-main {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--header-text);
  color: var(--header-bg);
  padding: 8px 16px;
  text-decoration: none;
  z-index: 9999;
}

.skip-to-main:focus {
  top: 0;
}