/* VARIABLES CSS ========================= */
:root {
  --header-height: 3.5rem;
  /* Colors =============================== */

  --navy-color: hsl(216, 41%, 19%);
  --navy-color-light: hsl(216, 29%, 29%);
  --navy-color-lighten: hsl(216, 30%, 60%);
  --white-color: #fff;
  --body-color: hsl(220, 100%, 97%);

  /* Font and typography =============*/
  /* .5rem = 8px / 1rem = 16px ...*/
  --body-font: "Barlow", Tahoma, Verdana, Helvetica sans-serif;
  --heading-font: "Libre Baskerville", system-ui;
  --normal-font-size: .938rem;
  
  /*font weight ========================*/
  --font-light: 300;
  --font-regular: 400;
  --font-semi-bold: 600;

  /* z index ===========================*/
  --z-tooltip: 10;
  --z-fixed: 100;
}

/* Responsive typography ================ */
@media screen and (min-width: 1024px) {
  :root {
    --normal-font-size: 1rem;
  }
}

/* BASE ================================== */

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

body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--body-color);
  color: #555;
  font-weight: var(--font-light);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

ul {
  list-style: none;
}

a{
  text-decoration: none;
  color: inherit;
}

/* Reusable CSS Classes ==================== */

  .container {
    max-width: 1120px;
    margin-inline: 1.5rem;
  } 


  /* Header =================================== */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--navy-color);
    font-family: var(--body-font);
    font-size: .9rem;
    font-weight: var(--font-light);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    box-shadow: 0 2px 16px hsla(220, 32%, 8%, .3);
    z-index: var(--z-fixed);
  }

  /* NAV =================================== */

  .nav {
    height: var(--header-height);
  }
  .nav__logo,
  .nav__burger,
  .nav__close {
    color: var(--white-color);
  }

  .nav__data {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .nav__logo {
    display: inline-flex;
    align-items: center;
    column-gap: .25rem;
    font-weight: var(--font-semi-bold);
  }

  .nav__logo i {
    font-weight: initial;
    font-size: 1.25rem;
  }

  .nav__toggle {
    position: relative;
    width: 32px;
    height: 32px;
  }

  .nav__burger,
  .nav__close {
    position: absolute;
    width: max-content;
    height: max-content;
    inset: 0;
    margin: auto;
    font-size: 1.25rem;
    cursor: pointer;
    transition: opacity .1s, transform .4s;
  }

  .nav__close {
    opacity: 0;
  }

  /* Navigation for mobile devices ==================== */

  @media screen and (max-width: 1118px) {
  .nav__menu {
      position: absolute;
      left: 0;
      top: 2.5rem;
      width: 100%;
      height: calc(100vh - 3.5rem);
      overflow: auto;
      pointer-events: none;
      opacity: 0;
      transition: top .4s, opacity .3s;
    }
    .nav__menu::-webkit-scrollbar {
      width: 0;
    }
    .nav__list {
      background-color: var(--navy-color);
      padding-top: 1rem;
    }
  }

  .nav__link {
    color: var(--white-color);
    background-color: var(--navy-color);
    font-weight: var(--font-semi-bold);
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color .3s;
  }

  .nav__link:hover {
    background-color: var(--navy-color-light);
  }

  /* Show menu */

  .show-menu {
    opacity: 1;
    top: 3.5rem;
    pointer-events: initial;
  }

  /* Show icon */
  .show-icon .nav__burger {
    opacity: 0;
    transform: rotate(90deg);
    }
    .show-icon .nav__close {
      opacity: 1;
      transform: rotate(90deg);
    }

  /* DROPDOWN ========================================= */
  .dropdown__item{
    cursor: pointer;
  }

  .dropdown__arrow {
    font-size: 1.25rem;
    font-weight: initial;
    transition: transform .4s;
  }

  .dropdown__link,
  .dropdown__sublink {
    padding: 1.25rem 1.25rem 1.25rem 2.5rem;
    color: var(--white-color);
    background-color: var(--navy-color-light);
    display: flex;
    align-items: center;
    column-gap: 3rem;
    font-weight: var(--font-semi-bold);
    transition: background-color .3s;
  }
  .dropdown__link i,
  .dropdown__sublink i {
    font-size: 1.25rem;
    font-weight: initial;
  }
  .dropdown__link:hover,
  .dropdown__sublink:hover {
    background-color: var(--navy-color);
  }
  .dropdown__menu,
  .dropdown__submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease-out;
  }

  /* Show dropdown menu & submenu ============================ */
  .dropdown__item:hover .dropdown__menu,
  .dropdown__subitem:hover > .dropdown__submenu {
    max-height: 1000px;
    transition: max-height .4s ease-in;
  }
  /* Rotate dropdown icon */
  .dropdown__item:hover .dropdown__arrow {
    transform: rotate(180deg);
  }

  /* Dropdown Submenu ========================================= */
  .dropdown__add {
    margin-left: auto;
  }

  .dropdown__sublink {
    background-color: var(--navy-color-lighten);
  }


  /* BREAKPOINTS ================================= */
  /* For small devices */

  @media screen and (max-width: 340px) {
    .container {
      margin-inline: 1rem;
    }
    .nav__link {
      padding-inline: 1rem;
    }
  }

  /* For large devices */

  @media screen and (min-width: 1118px) {
    .container {
      margin-inline: auto;
    }
    .nav {
    height: calc(var(--header-height) + 2rem);
    display: flex;
    justify-content: space-between;
    }
    .nav__toggle {
      display: none;
    }
    .nav__list {
      height: 100%;
      display: flex;
      column-gap: 3rem;
    }
    .nav__link {
      height: 100%;
      padding: 0;
      justify-content: initial;
      column-gap: .25rem;
    }
    .nav__link:hover {
      background-color: transparent;
    }
    
    .dropdown__item,
    .dropdown__subitem {
      position: relative;
    }
    .dropdown__menu,
    .dropdown__submenu {
      max-height: initial;
      overflow: initial;
      position: absolute;
      left: 0;
      top: 6rem;
      opacity: 0;
      pointer-events: none;
      transition: opacity .3s, top .3s;
    }
    .dropdown__link,
    .dropdown__sublink {
      padding-inline: 1rem 3.5rem;
      width: 100%;
      min-width: 400px;
      overflow: hidden;
    }
    .dropdown__subitem .dropdown__link {
      padding-inline: 1rem;
    }
    .dropdown__submenu {
      position: absolute;
      left: 100%;
      top: 5rem;
    }
    /* Show dropdown menu */
    .dropdown__item:hover .dropdown__menu {
      opacity: 1;
      top: 5.5rem;
      pointer-events: initial;
      transition: top .3s;
    }

    /* Show dropdown submenu */
    .dropdown__subitem:hover > .dropdown__submenu {
      opacity: 1;
      top: 0;
      pointer-events: initial;
      transition: top .3s;
    }
  }