body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  font-family: 'Poppins', sans-serif;
  background: #000;
}

.intro-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.intro-container video {
  position: absolute;
  top: 50%;
  left: 50%;
  max-width: 100%;
  max-height: 100%;
  transform: translate(-50%, -50%);
  object-fit: contain;
  object-position: center;
  background: #000;
}

.enter-btn {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 12px 28px;
  font-size: 18px;
  color: #fff;
  background: #bc9c22;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.8s ease, transform 0.8s ease, background 0.3s;
  font-family: inherit;
}

.enter-btn.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.enter-btn.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(20px);
}

.enter-btn:hover {
  background: #737373;
}

.fade-out {
  animation: fadeOut 0.8s ease forwards;
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}