.about-us {
  display: flex;
  justify-content: center;
  margin: 50px 20px;
  gap: 100px;
}

.about-us .desc {
  flex: 1;
}

.about-us video {
  flex: 1;
}

.about-us .desc p {
  font-size: 15px;
  font-weight: 300;
  text-align: justify;
  margin-bottom: 15px;
}

.about-us img {
  width: 100%;
  height: auto;
}

/* Ensure all certificate images have consistent sizing */
.about-us .row .column img {
  width: 100%;
  height: auto;
  object-fit: contain;
  max-height: 400px;
  display: block;
}

.banner {
  position: relative;
}
.banner .banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 200px;
  background-color: rgba(0, 0, 0, 0.5);
}
.banner .banner-title {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: #fff;
  font-size: 40px;
  font-weight: 400;
}
.banner img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center left;
}

.row {
  display: flex;
  gap: 15px;
}

@media screen and (max-width: 600px) {
  .about-us {
    flex-direction: column-reverse;
  }

  .row {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .pdf-card {
    margin-bottom: 15px;
  }
}

@media screen and (max-width: 480px) {
  .row {
    grid-template-columns: 1fr;
  }
}