.skill-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 2rem;
}

.skill-container .card {
  width: 18rem;
  background: #ffffff;
  border-radius: 16px;
  border: none;
  box-shadow: 0 10px 25px rgba(0,0,0,0.25);
  transition: transform 0.3s ease;
}

.skill-container .card:hover {
  transform: translateY(-8px);
}

.skill-container img {
  height: 170px;
  object-fit: contain;
  padding: 1rem;
  background: #f4f4f4;
}

.card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.4);
}

section {
  scroll-margin-top: 80px; /* fixes navbar anchor jump */
}

.btn:focus {
  box-shadow: none;
}