.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  padding: 20px;
  margin-bottom: 60px;
}

a {
  text-decoration: none;
  color: inherit;
}
.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  width: 100%;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}
button {
  width: 90%;
  max-width: 400px;
  padding: 15px;
  border: none;
  border-radius: 15px;
  font-size: 18px;
  font-weight: 600;
  background: linear-gradient(90deg, #1e293b, #334155);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(255, 94, 0, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover {
  background: linear-gradient(90deg, #ff6a00, #ff1e00);
  transform: scale(1.05);
}
.page {
  display: none;
  padding: 20px;
  animation: fadeIn 0.5s ease;
}

.active {
  display: block;
}
.back-btn {
  margin-top: 25px;
  padding: 10px 25px;
  background: linear-gradient(90deg, #ff6a00, #ff1e00);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-weight: bold;
  box-shadow: 0 3px 8px rgba(255, 94, 0, 0.3);
  transition: all 0.3s ease;
}

.back-btn:hover {
  transform: scale(1.08);
  background: linear-gradient(90deg, #ff8533, #ff3b1f);
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
header {
  padding: 20px;
  font-size: 32px;
  font-weight: bold;
  background: linear-gradient(90deg, #ff6a00, #ff1e00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 10px rgba(255, 94, 0, 0.4);
  text-align: center;
}