#contact,
#gallery,
#objectives,
#skills {
  scroll-margin-top: 50px;
}
/* banner section */
.banner {
  animation: changeBg 20s infinite;
}

@keyframes changeBg {
  0% {
    background-image: url("../images/skillLab-html/skill-lab.PNG");
  }
  50% {
    background-image: url("../images/skillLab-html/skilllab-3.png");
  }
  100% {
    background-image: url("../images/skillLab-html/skill-lab.PNG");
  }
}

/* objective section */
.about-text ul {
  padding-left: 10%;
}

.about-text li {
  margin-bottom: 15px;
  line-height: 1.7;
}

/* ================= heath education  gallery section=================  */

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.gallery-card {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: 0.3s;
}

.gallery-card:hover {
  transform: translateY(-5px);
}

.gallery-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

@media (max-width: 900px) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-card img {
    height: 260px;
  }
}

@media (max-width: 600px) {
  .gallery {
    grid-template-columns: 1fr;
  }

  .gallery-card img {
    height: 240px;
  }
}