.btn {
  @include border-radius(3px);
  background: #fff;
  border: 1px solid;
  border-color: lighten($color-gray-light, 20%);
  color: $color-gray-light;
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  padding: 8px 16px 6px;
  text-align: center;
  transition-duration: 180ms;
  transition-property: background, border-color, color;
  -webkit-appearance: none;

  & + & {
    margin-left: 10px;
  }

  &:hover {
    background: #f1f1f1;
    cursor: pointer;
  }
}

.btn--big {
  letter-spacing: 0.05em;
  padding: 12px 28px;
  text-transform: uppercase;
}

.btn--primary {
  $gradient: top, #ffa621, #f27c20;
  @include linear-gradient($gradient);
  background: $color-orange;
  border-color: darken($color-orange, 5%);
  color: #fff;

  &:hover {
    $gradient: top, darken(#ffa621, 10%), darken(#f27c20, 10%);
    @include linear-gradient($gradient);
    background: darken($color-orange, 5%);
  }
}

.btn--dangerous {
  $gradient: top, lighten($color-red, 10%), darken($color-red, 5%);
  @include linear-gradient($gradient);
  background: $color-red;
  border-color: darken($color-red, 5%);
  color: #fff;

  &:hover {
    $gradient: top, $color-red, darken($color-red, 15%);
    @include linear-gradient($gradient);
    background: darken($color-red, 5%);
  }
}

.btn--inline {
  * + & {
    margin-left: 10px;
  }
}

.plain-btn {
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  font: inherit;
  padding: 0;
  -webkit-appearance: none;
}
