body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

* {
  box-sizing: border-box;
}

header {
  position: fixed; /*này*/
  width: 100%;
  background-color: #004d40;
  color: #e6faf0;
  border: 2px solid #a0d8b3;
  z-index: 998; /*này*/
}

.header {
  width: 100%;
  margin: 0 auto;
  max-width: 1200px;
  padding: 0 15px;
}

.header .contact-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  font-size: 14px;
  width: 100%;
  border-bottom: 0.5px solid #e6faf0;
}

.right-align {
  display: flex;
  align-items: center;
}

.head-info {
  display: flex;
}
.head-info .address,
.head-info .phone {
  cursor: pointer;
}
.head-info .address a,
.head-info .phone a {
  color: #e6faf0;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.head-info .address a:hover,
.head-info .phone a:hover {
  opacity: 0.7;
}
.language {
  margin-right: 20px;
}

.language-toggle {
  cursor: pointer;
}

.head-info .phone,
.head-info .address {
  margin-right: 20px;
  font-size: 14px;
}

.language .flag {
  width: 2.5vw; 
  height: auto;
  cursor: pointer;
}

.login {
  display: flex;
  align-items: center;
}

.login-icon {
  color: #e6faf0;
  font-size: 18px; 
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.login-icon:hover {
  opacity: 0.7;
}

.header .second-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 5px 10px;
  background-color: #004d40;
  width: 100%;
}

.second-container .category-nav .logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.category-nav .logo {
  gap: 5px;
}

.category-nav .logo .logo-img {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
}

.category-nav .logo .logo-img img {
  width: 3vw;
  height: auto;
  border-radius: 20%;
  display: block;
  margin: 0;
}

.category-nav .logo .logo-text {
  font-size: 30px;
  font-family: "Brush Script MT", cursive;
  font-style: italic;
}

.category-nav .home {
  text-decoration: none !important;
  color: #e6faf0;
}
.category-nav {
  display: flex;
  gap: 2vw;
  align-items: center;
  justify-content: space-between;
  flex-grow: 1;
}
.category-nav .category-menu {
  display: flex;
  justify-content: space-between;
  flex-grow: 1;
}

.category-menu .category-option {
  color: #e6faf0;
  cursor: pointer;
  padding: 5px 10px;
  font-size: 18px;
  position: relative;
}

.category-menu .category-option::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: #e6faf0;
  transition: width 0.3s ease-in-out;
}

.category-menu .category-option:hover::after {
  width: 100%;
}

.dropdown {
  position: relative;
}

.category-option.dropdown .dropdown-content {
  display: block;
  visibility: hidden;
  opacity: 0;
  position: absolute;
  background-color: #fff;
  min-width: 200px;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  z-index: 3;
  border: 2px solid #a0d8b3;
  border-radius: 5px;
  max-height: 200px;
  overflow-y: auto;
  padding: 5px 0;
  top: calc(100% + 5px);
  left: 50%;
  transform: translateX(-50%);
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.dropdown-content .dropdown-item {
  font-size: 14px;
}

.dropdown-content::-webkit-scrollbar {
  width: 3px;
  height: 5px;
}

.dropdown-content::-webkit-scrollbar-thumb {
  background-color: #a0d8b3;
  border-radius: 3px;
}

.dropdown-content .dropdown-item {
  color: #004d40;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
}

.dropdown-content .dropdown-item:hover {
  background-color: #4a7247;
  color: white;
}

.dropdown:hover .dropdown-content,
.dropdown-content:hover {
  visibility: visible;
  opacity: 1;
}
.category-menu .category-option:hover {
  color: #e6faf0;
  transition: all 0.3s ease-in-out;
}

.category-option .dropdown-content {
  z-index: 2;
}

.header-list .menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: #e6faf0;
  cursor: pointer;
  padding: 10px;
}
.header-respon .language1 {
  display: none;
}

.mobile-dropdown {
  position: fixed;
  top: 0;
  left: -70%;
  width: 70%;
  height: 100vh;
  background-color: #004d40;
  z-index: 999;
  transition: left 0.3s ease-in-out;
  overflow-y: auto;
  padding-top: 60px;
}

.mobile-dropdown.active {
  left: 0;
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 998;
  display: none;
}

.mobile-overlay.active {
  display: block;
}

.mobile-dropdown .mobile-category-option {
  color: #e6faf0;
  padding: 15px 20px;
  border-bottom: 1px solid #006d5b;
  cursor: pointer;
  font-size: 18px;
  position: relative;
}

.mobile-dropdown .mobile-category-option:hover {
  background-color: #006d5b;
}

.mobile-dropdown .mobile-dropdown-content {
  background-color: #006d5b;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-in-out;
}

.mobile-dropdown .mobile-dropdown-content.active {
  max-height: 300px;
}

.mobile-dropdown .mobile-dropdown-item {
  color: #e6faf0;
  padding: 12px 10px;
  border-bottom: 1px solid #004d40;
  cursor: pointer;
  font-size: 16px;
}

.mobile-dropdown .mobile-dropdown-item:hover {
  background-color: #004d40;
}

.mobile-dropdown .mobile-category-option.has-dropdown::after {
  content: "▼";
  position: absolute;
  right: 20px;
  top: 10px;
  padding: 10px;
  transition: transform 0.3s ease;
  font-size: 12px;
}

.mobile-dropdown .mobile-category-option.has-dropdown.active::after {
  transform: rotate(-180deg);
}

.mobile-dropdown .close-menu {
  position: absolute;
  top: 15px;
  right: 20px;
  background: none;
  border: none;
  color: #e6faf0;
  font-size: 24px;
  cursor: pointer;
  padding: 5px;
}

.mobile-dropdown .close-menu:hover {
  opacity: 0.7;
}

@media (min-width: 769px) {
  .mobile-dropdown,
  .mobile-overlay {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .header .contact-info {
    display: none;
  }
  .contact-info .head-info,
  .contact-info .language {
    display: none;
  }
  .header .second-container {
    width: 100%;
    margin: 0;
    padding: 0;
  }
  .header {
    padding: 0;
  }
  .category-nav .category-menu {
    display: none;
  }
  .header-respon {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .header-list .menu-toggle {
    display: block;
  }
  .header-respon .language1 {
    display: block;
  }

  .category-nav .logo .logo-img img {
    width: 12vw;
    height: auto;
    display: block;
  }
  .mobile-dropdown {
    display: block;
  }
  .header-list .menu-toggle i {
    font-size: 40px;
  }
}

@media (max-width: 480px) {
  .category-nav .logo .logo-img {
    padding: 1vw;
  }
  .category-nav .logo .logo-img img {
    width: 15vw;
    height: auto;
  }
  .header-list .menu-toggle {
    padding: 5px 10px;
  }
  .header-list .menu-toggle i {
    font-size: 30px;
  }
}