#event_images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 250px));
  gap: 16px;
  margin-top: 20px;
  justify-content: center;
}

.column {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  height: 180px;
  background: #f5f5f5;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.column:hover {
  transform: scale(1.03);
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.column img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.display-5 {
  font-weight: 700;
  text-align: center;
}

.lead {
  max-width: 900px;
  text-align: center;
}

#lightbox {
  position: fixed;
  inset: 0;
  display: none;
  justify-content: center;
  align-items: center;
  background: rgba(0,0,0,0.92);
  z-index: 9999999999999;
}

#lightbox-img {
  max-width: 92vw;
  max-height: 88vh;
  border-radius: 12px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.5);
}

.lightbox-close {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 40px;
  color: #fff;
  cursor: pointer;
  transition: 0.2s;
}

.lightbox-close:hover {
  color: #ff4d4d;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 45px;
  color: white;
  cursor: pointer;
  padding: 10px 15px;
  user-select: none;
  transition: 0.2s;
  border-radius: 8px;
}

.lightbox-nav:hover {
  background: rgba(255,255,255,0.1);
}

.lightbox-prev {
  left: 15px;
}

.lightbox-next {
  right: 15px;
}

@media (max-width: 768px) {
  #event_images {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
  }

  .column {
    height: 140px;
  }

  .lightbox-nav {
    font-size: 32px;
  }
}