a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 3px solid #f5f5f5;
  outline-offset: 2px;
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 5px;
  left: 0;
  width: 0;
  height: 2px;
  background: #ffc107;
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link:focus::after,
[aria-current="page"]::after {
  width: 100%;
}

.card {
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.screenReader {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  white-space: nowrap;
  border-width: 0;
}