.project-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 1200px) {
  .project-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .project-grid {
    grid-template-columns: 1fr;
  }
}

.project-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transition: transform 0.3s ease-in-out, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card:focus {
  outline: 3px solid #0066cc;
}

.project-card:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.project-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.project-content {
  padding: 1rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-buttons {
  margin-top: auto;
}

.project-buttons .btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: #0066cc;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  margin-right: 0.5rem;
  transition: background 0.3s;
}

.project-buttons .btn:focus,
.project-buttons .btn:hover {
  background: #004999;
}