nav {
  background-color: var(--dark-nav-color);
  width: 220px;
  height: 100vh;
  overflow-y: scroll;
  overflow-x: hidden;
  position: fixed;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.nav_list > li {
  padding: 1rem 0 0 2rem;
}

.nav_item {
  font-weight: 500;
  color: var(--tagline-color);
}

.nav_item:hover,
.icon:hover,
.active {
  color: var(--primary-color);
  cursor: pointer;
}

.nav_item:hover {
  margin-left: 0.5rem;
  transition: 0.3s all ease-in;
  font-weight: 700;
}

.logo {
  text-align: center;
  padding: 1rem 1rem 0 1rem;
}

.logo img {
  width: auto;
  height: 80px;
}

.social_icons {
  text-align: center;
  margin: 1rem 0 0.7rem 0;
}

.icon {
  color: var(--tagline-color);
  margin: 0.5rem;
  font-size: 1rem;
}

.modeIcon {
  position: fixed;
  z-index: 50;
  height: 35px;
  right: 5rem;
  top: 2rem;
  cursor: pointer;
  color: var(--secondary-color);
}

/* responsive menu */
.navigation-bar {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  background-color: var(--black);
  justify-content: space-between;
  align-items: flex-end;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border-color);
  z-index: 2;
}

.navigation-bar > .logo > a > img {
  height: 50px;
  width: auto;
}

.navigation-bar > .logo {
  padding: 0;
}

.humber-icon > i {
  font-size: 1.5rem;
  cursor: pointer;
}

@media screen and (max-width: 950px) {
  .modeIcon {
    height: 25px;
    top: 1.2rem;
  }

  body {
    display: flex;
  }

  .trans-on {
    left: 0;
    transition: left 0.5s ease-out;
  }

  .trans-off {
    left: -260px;
    transition: left 0.5s ease-out;
  }

  .sidebar-wrapper {
    z-index: 5;
    min-height: 100vh;
  }

  .sidebar-main {
    font-size: 1.2rem;
  }

  .main {
    margin-top: 3.75rem;
    padding: 2rem;
    padding-left: 2rem;
    width: 100%;
  }

  .navigation-bar {
    display: flex;
    align-items: center;
    padding: 0.4rem 2rem;
    background-color: var(--body-bg);
  }

  nav {
    z-index: 100000000;
  }
}