.video-section {
  display: flex;
  max-width: 1200px;
  width: 100%;
  align-items: stretch; /* make both tabs and video same height */
}

.tabs {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tabs button {
  background: #f4f4f4;
  border: 1px solid #ddd;
  padding: 20px;
  text-align: left;
  cursor: pointer;
  font-size: 16px;
  font-family: "HK Grotesk Wide";
  text-transform: uppercase;
  font-weight: bold;
}

.tabs button.active {
  background: #180092;
  color: white;
}

.tabs button.disabled {
  background: #e0e0e0;
  cursor: not-allowed;
  color: #999;
}

.video-container {
  flex: 3;
  display: flex;
  justify-content: flex-start; /* align video to the top */
  align-items: flex-start; /* align video to the top */
}

iframe {
  width: 100%;
  height: 100%; /* fill container */
  min-height: 400px; /* keep minimum height */
  border: none;
}

@media(max-width: 768px) {
  .video-section {
    flex-direction: column;
  }
  .tabs button {
    font-size: 14px;
  }
  iframe {
    height: 300px;
  }
}