body {
  font-family: 'Segoe UI', sans-serif;
  margin: 000;
  background: linear-gradient(135deg, #1a1a1a, #333);
  color: #f7f7fc;
  text-align: center;
}

header {
  background: #080813;
  padding: 20px;
}

nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px;
}

nav a {
  margin: 0 15px;
  color: #0026ff;
  text-decoration: none;
  font-weight: bold;
}

iframe, video {
  width: 90%; 
  max-width: 800px; 
  height: auto;
  aspect-ratio: 16 / 9; 
  margin: 20px auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(69, 116, 245, 0.5);
  border: none;
}

section {
  padding: 20px;
}


@media (max-width: 600px) {
  header h1 {
    font-size: 1.5rem;
  }
  
  nav a {
    margin: 5px;
    font-size: 0.9rem;
  }

  iframe, video {
    width: 95%;
    margin: 10px auto;
  }
  
  .container {
    padding: 10px;
  }
}



.buttons{
    display: flex;
    margin-right: 10px auto
}