.video-grid-section {
  padding: 40px 16px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* Video card */
.video-item {
  position: relative;
  width: 100%;
  height: 315px;               /* Desktop exact height */
  border-radius: 16px;
  overflow: hidden;
  background: #000;
}

/* iframe */
.video-item iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Thumbnail image */
.video-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Play button */
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 70px;
  height: 70px;
  background: rgba(0,0,0,0.75);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.play-btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 52%;
  transform: translate(-50%, -50%);
  border-left: 18px solid #fff;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
}

/* Hover */
.video-item:hover img,
.video-item:hover iframe {
  transform: scale(1.02);
  transition: 0.3s ease;
}

/* Tablet */
@media (max-width: 992px) {
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .video-item {
    height: 280px;
  }
}

/* Mobile */
@media (max-width: 576px) {
  .video-grid {
    grid-template-columns: 1fr;
  }

  .video-item {
    height: 240px;             /* Mobile perfect height */
  }

  .play-btn {
    width: 55px;
    height: 55px;
  }
}