.video-section {
  margin: 0 auto 2rem;
  margin-top: 3rem;
  width: 100%;
  max-width: 940px;
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  text-align: center;
}
.nav-container {
  width: 100vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #f1f4fe;
  padding: 16px 3rem;
  box-sizing: border-box;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}