.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 3rem;
}

.project-grid-item {
  display: block;
  overflow: hidden;
  border-radius: 16px;
  cursor: pointer;
}

.project-grid-item img {
  display: block;
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 16px;
  transition: transform 0.35s ease;
}

.project-grid-item:hover img {
  transform: scale(1.05);
}

.project-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  z-index: 9999;
}

.project-lightbox.active {
  opacity: 1;
  visibility: visible;
}

.project-lightbox img {
  max-width: 95%;
  max-height: 90vh;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

.project-lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 42px;
  line-height: 1;
  cursor: pointer;
}

@media (max-width: 991px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .project-grid-item img {
    height: 260px;
  }
}

@media (max-width: 767px) {
  .project-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .project-grid-item img {
    height: 220px;
  }

  .project-lightbox {
    padding: 30px 15px;
  }

  .project-lightbox-close {
    top: 14px;
    right: 18px;
    font-size: 36px;
  }
}