<header>
  <nav>
    <ul class="meganav">
      <li class="meganav--item">
        <a href="#" class="meganav--link">Home</a>
      </li>
      <li class="meganav--item">
        <a href="#" class="meganav--link" data-dropdown>Frontend <span>&darr;</span></a>
        <div class="meganav--content">
           <img src="https://www.trickyenough.com/wp-content/uploads/2022/06/IMG-20220603-WA0011-1280x720.jpg" alt="frontend technologies" />
          <ul class="meganav--content__items">
            <li><a href="#">HTML</a></li>
            <li><a href="#">CSS</a></li>
            <li><a href="#">JAVASCRIPT</a></li>
            <li><a href="#">REACT JS</a></li>
            <li><a href="#">NEXT JS</a></li>
          </ul>
        </div>
      </li>
      <li class="meganav--item">
        <a href="#" class="meganav--link" data-dropdown>Backend <span>&darr;</span></a>
        <div class="meganav--content">
          <img src="https://ddi-dev.com/uploads/backend-is.png" alt="backend technologies" />
          <ul class="meganav--content__items">
            <li><a href="#">NODE JS</a></li>
            <li><a href="#">EXPRESS JS</a></li>
            <li><a href="#">MONGO DB</a></li>
            <li><a href="#">FIREBASE</a></li>
            <li><a href="#">MY SQL</a></li>
          </ul>
        </div>
      </li>
        <li class="meganav--item">
        <a href="#" class="meganav--link" data-dropdown>Full Stack <span>&darr;</span></a>
        <div class="meganav--content">
          <img src="https://media.geeksforgeeks.org/wp-content/cdn-uploads/20190626123927/untitlsssssed.png" />
          <ul class="meganav--content__items">
            <li><a href="#">MERN</a></li>
            <li><a href="#">MEAN</a></li>
            <li><a href="#">MEVN</a></li>
            <li><a href="#">XAMP</a></li>
          </ul>
        </div>
      </li>
      <li class="meganav--item">
        <a href="#" class="meganav--link">About</a>
      </li>
      <li class="meganav--item">
        <a href="#" class="meganav--link">Contact</a>
      </li>
    </ul>
  </nav>
</header>

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

ul {
  list-style: none;
}
a {
  text-decoration: none;
}

header {
  position: relative;
}
.meganav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  background-color: black;

  &--link {
    color: white;
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  &--item {
    padding: 1rem 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
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  &--content {
    position: absolute;
    top: 120%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    width: 90%;
    max-width:800px;
    height: 200px;
    border-radius: 10px;
    box-shadow: 2px 2px 50px 2px #000000;
    padding: 1rem 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
    background-color: white;

    & > img {
      width: 200px;
      height: 100px;
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    &__items {
      width: 50%;
      display: flex;
      flex-wrap: wrap;
      gap: 1.5rem;
      & > li > a {
        color: black;
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  &--item:hover &--content {
    opacity: 1;
    visibility: visible;
    top: 100%;
  }
  [data-dropdown] > span {
    display: none;
    font-size:0.9rem;
    vertical-align:top;
  }
}

@media screen and (max-width: 600px) {
  .meganav {
    height: 100vh;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0.4rem;
    &--content {
      position: static;
      display: none;
      width: 100%;
      height: 200px;
      margin: 10px 0 0 0;

      &__items {
        width: 100%;
        flex-direction: column;
        align-items: center;
        padding: 0.5rem;
        gap: 1rem;
      }
      & > img {
        display: none;
      }
    }
    [data-dropdown] > span {
      display: inline-block;
    }
  }
  .show {
    display: flex;
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
  }
}

const meganav = document.querySelectorAll(".meganav--link");

if (window.innerWidth < 600) {
  const closeAllDropdowns = () => {
    const meganavContent = document.querySelectorAll(".meganav--content");
    meganavContent.forEach((content) => {
        content.classList.remove("show");
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      if (target.nextElementSibling !== null) {
        closeAllDropdowns()
        target.nextElementSibling.classList.toggle("show");
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  window.onclick = function (e) {
    if (!e.target.matches(".meganav--link")) {
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  // const innerLinks = document.querySelectorAll(".meganav--content__items>li>a");
  // innerLinks.forEach(link => {
  //   link.addEventListener("click",(e) => {
  //     console.log(e.target.innerText)
  //   })
  // })
  
}