$sidebar-color: rgb(245, 245, 245);

.sidebar-navigation–logo {

background-color: $dark-gray;
padding: 1em;
width: $sidebar-width;

@media (max-width: $tablet-width) {
  width: 100%;
}

}

.turing-logo {

margin: 0;
max-width: 97%;
display: block;

@media (max-width: $tablet-width) {
  max-width: 200px;
  margin: 0 auto;
}

}

.sidebar {

min-width: $sidebar-width;
max-width: $sidebar-width;

background-color: $sidebar-color;
color: invert($sidebar-color);
border-right: 1px solid darken($sidebar-color, 20);
box-shadow: 1px 1px 2px #eee;

@media (max-width: $tablet-width) {
  font-size: 0.85em;
  min-width: 100%;
  max-width: 100%;
  padding-top: 0;
  border-right: none;
  border-top: 1px solid darken($sidebar-color, 20);
  border-bottom: 1px solid darken($sidebar-color, 20);
}

h1 {
  padding-left: 1em;
  padding-top: 0.75em;
  padding-bottom: 0.75em;

  background-color: lighten($sidebar-color, 5);
  border-bottom: 1px solid $teal;
  font-size: 1.1em;
  margin: 0;

  @media (max-width: $tablet-width) {
    text-align: center;
  }
}

ul, ol {
  list-style: none;
  padding-left: 0;

  @media (max-width: $tablet-width) {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }
}

li {
  margin-bottom: 0;

  line-height: 1.8em;
}

}

.sidebar-navigation–links {

a {
  display: block;
  padding: 0.5em 1.1em;
  border-bottom: none;

  color: invert($sidebar-color);

  &:hover {
    background-color: darken($sidebar-color, 10);
  }

  &:active {
    background-color: $teal;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
  }
}

@media (max-width: $tablet-width) {
  display: flex;
  flex-wrap: wrap;

  section {
    min-width: 300px;
    width: 50%;

    @media (max-width: $tablet-width - 50px) {
      width: auto;
    }
  }
}

@media (max-width: $tablet-width - 50px) {
  flex-direction: column;
}

}

.active-link {

background-color: lighten(#98a1a2, 20);

}