/* MENU BAR */

header {
  position: sticky;
  top:0;
  left: 0;
  /* width: 100vw; */
  width: 100%;
  z-index: 998;
  background-color: white;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
}
nav{
  position: relative;
  height: 4rem;
}

header > nav > ul a {
  background-color: rgb(255, 255, 255); /*цэснүүдийн товчны дэвгэр өнгө*/
  color: rgb(0, 0, 0);/*цэснүүдийн техтийн дэвгэр өнгө*/
  padding: 1rem 0.2rem;
  display: block;
}

nav > ul li {
  position: relative; 
}

nav > ul li ul {
  display: none;
  position: static;
  padding-left: 20px; 
}

nav > ul li ul li ul {
  padding-left: 30px; 
}

nav > ul li a {
  display: block;
}

#hamburger {
  display: none;
  cursor: pointer;
}
#hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--gb-color);
  margin: 5px 0;
}


@media screen and (min-width: 1199px) { /*DESKTOP*/
  nav {
    max-width: 1140px;
    margin: auto;
    position: relative;
    overflow: visible;
    white-space: nowrap;
    text-align: center; 
  }

  nav > a:nth-of-type(1) img { /*Лого зүүн талд*/
    width: 150px;
    height: auto;
    position: absolute;     
    top: 50%;
    left: 1rem;             
    transform: translateY(-50%); 
    z-index: 999;
  }
  nav > ul { /*голлуулах*/
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 999;
  }
  nav > a:last-of-type {  /*Хэл баруун талд зүүн талд*/
    position: absolute;       
    top: 50%;
    right: 0;               
    transform: translateY(-50%); 
    background-color: rgb(255, 255, 255);
    color: rgb(0, 0, 0);
    border-radius: 5px;
    z-index: 999;
    display: flex;            
    align-items: center;      
    gap: 0.3rem;               
  }
  nav > a:last-of-type img {/*language туг*/
    float: left;
    width: 25px;
    height: auto;
  }
  nav > a:last-of-type span {/*language техт*/
    float: left;
    padding-left: 0.2rem; /*хоорондох зай*/
    vertical-align: middle;
  }


  nav > ul {
    display: inline-block;
  }

  nav > ul > li {
    display: inline-block;
    position: relative;
    text-align: left; 
  }

  nav > a:nth-of-type(1),
  nav > a:last-of-type {
    display: inline-block;
    vertical-align: middle;
  }

  nav > a:nth-of-type(1) {
    float: left;
  }

  nav > a:last-of-type {
    float: right;
  }

  /* Дэд цэсийг default-оор нуух */
  nav > ul li ul {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: rgb(255, 255, 255);
    min-width: 200px;
    display: none;
    padding-left: 1rem;
    padding-right: 1rem;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
  }
  /*
  Үйл ажиллагаа
  ---------------------------------------
  |  <-> Барилга, үл хөдлөх хөрөнгө <-> |
  |  <-> Худалдаа, үйлчилгээ <->        |
  |  <-> Үйлдвэрлэл <->                 |
  ---------------------------------------
  */

  /* show класс нэмэгдсэн үед дэд цэсийг харуулах */
  nav > ul li ul.show {
    display: block !important;
  }

  nav > ul li ul li ul {
    top: 0;
    left: 100%;
    position: absolute;
    display: none;
    margin-left: 1rem;
    margin-right: 1rem;
  }

  nav > ul li ul li ul.show {
    display: block !important;
  }

  nav > ul li ul li ul li ul {
    top: 0;
    left: 100%;
  }

  nav > ul li ul li ul {
    padding-left: 0;
  }

  header > nav > ul a::after {
    content: "";
  }
}




@media screen and (max-width: 1198.8px) { /*MOBILE*/
  nav {
    display: table;
    width: 100%;
    position: relative;
  }
  nav > a:nth-of-type(1) img { /*Лого зүүн талд*/
    width: 150px;
    height: auto;
    position: absolute;     
    top: 50%;
    left: 1rem;             
    transform: translateY(-50%); 
    z-index: 999;
  }
  nav > a:last-of-type img {
    /* float: left; */
    width: 25px;
    height: auto;
    position: absolute;
    top: 50%;
    right: 50px; /*<--------*/
    transform: translate(-50%, -50%);
    z-index: 999;
  }
    
  nav > a:last-of-type span { /*English Тэхт нь харагдахгүй */
    /* 
    float: left;
    vertical-align: middle;
    line-height: 40px;     
    */
    display: none;
  }
/* 
  #hamburger {
    display: block;
    position: absolute;
    top: 50%;
    right: 15px; <--------
    transform: translate(-50%, -50%);
  } */

  /* HAMBURGER → X АНИМАЦ */
  #hamburger {
    display: block;
    width: 30px;
    height: 22px;
    position: absolute;
    top: 50%;
    right: 15px; /*<--------*/
    transform: translateY(-50%);
    cursor: pointer;
    z-index: 1000;
  }

  #hamburger span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--gb-color);
    border-radius: 3px;
    transition: all 0.3s ease;
    position: relative;
  }

  /* Дээд, доод зураас хооронд зай */
  #hamburger span:nth-child(1) {
    top: 0;
  }
  #hamburger span:nth-child(2) {
    margin: 6px 0;
  }
  #hamburger span:nth-child(3) {
    bottom: 0;
  }

  /* Хөдөлгөөн – “X” болгох */
  #hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  #hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  #hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }



  nav > ul {
    display: none;
    position: absolute;
    top: 62px;
    left: 20px; /*-->|    |*/
    width: 350px; /*100%*/  /*|<---------->|*/
    background-color: white;
    /* max-height: 200px; */
    overflow-y: auto;
    z-index: 999;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
  }

  nav > ul.show {
    display: block;
  }

  nav > ul li {
    display: block;
    position: relative;
    padding-left: 20px;
  }

  nav > ul li ul {
    position: static;
    /* padding-left: 20px; */
    display: none;
  }

  nav > ul li ul.show {
    display: block !important;
  }

  /* 
  nav > ul li ul ul {
    padding-left: 30px;
  } 
  */

  nav > a:nth-of-type(1),
  nav > a:last-of-type {
    display: inline-block;
    padding: 10px 20px;
  }

  nav > a:last-of-type {
    float: right;
    line-height: 40px;   
    height: 40px;
    padding: 0 10px;
  }
  nav > a:last-of-type img {
    vertical-align: middle;
  }
}


/* submenu байгаа a tag-ийн ард ▼ icon гаргах */
nav ul li:has(ul) > a::after {
  content: "▾"; /* доош сум */
  font-size: 1.3rem;
  margin-left: 6px;
  display: inline-block;
  transition: transform 0.2s ease;
}

/* submenu нээгдэх үед сум эргэх */
nav ul li ul.show {
  display: block !important;
}

nav ul li ul.show ~ a::after,
nav ul li:has(ul.show) > a::after {
  transform: rotate(180deg);
}