.portfolio-intro {
  margin-bottom: 1.5rem;
  color: #555;
  font-size: 1.1rem;
}

.portfolio-category {
  margin-bottom: 30px;
}

.portfolio-category__link {
  display: block;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.portfolio-category__link:hover,
.portfolio-category__link:focus {
  color: inherit;
  text-decoration: none;
}

.portfolio-category__card {
  overflow: hidden;
  border: 0;
  border-radius: .5rem;
  box-shadow: 0 .2rem .7rem rgba(0, 0, 0, .16);
  transition: transform .2s ease, box-shadow .2s ease;
}

.portfolio-category__link:hover .portfolio-category__card,
.portfolio-category__link:focus .portfolio-category__card {
  transform: translateY(-4px);
  box-shadow: 0 .55rem 1.25rem rgba(0, 0, 0, .22);
}

.portfolio-category__link:focus-visible {
  outline: 3px solid #0069d9;
  outline-offset: 4px;
  border-radius: .5rem;
}

.portfolio-category__image-wrap {
  overflow: hidden;
  background: #eee;
}

.portfolio-category__image {
  display: block;
  width: 100%;
  height: 230px;
  object-fit: cover;
  transition: transform .25s ease;
}

.portfolio-category__link:hover .portfolio-category__image,
.portfolio-category__link:focus .portfolio-category__image {
  transform: scale(1.035);
}

.portfolio-category__title {
  margin-bottom: .55rem;
  color: #212529;
  font-size: 1.35rem;
}

.portfolio-category__description {
  margin-bottom: 1rem;
  color: #616161;
}

.portfolio-category__action {
  color: #0069d9;
  font-weight: 600;
}

.portfolio-category__action span {
  display: inline-block;
  transition: transform .2s ease;
}

.portfolio-category__link:hover .portfolio-category__action span,
.portfolio-category__link:focus .portfolio-category__action span {
  transform: translateX(4px);
}

@media (max-width: 575.98px) {
  .portfolio-category__image {
    height: auto;
    max-height: 65vh;
    object-fit: contain;
  }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-category__card,
  .portfolio-category__image,
  .portfolio-category__action span {
    transition: none;
  }
}