body, html {
  margin: 0;
  padding: 0;
  font-family: 'Vazirmatn', sans-serif;
  height: 100%;
  overflow: hidden;
  background: black;
  color: white;
}

#bg-video {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  filter: brightness(0.3);
}

.overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(0,255,255,0.1), transparent 80%);
  z-index: -1;
}

.content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  animation: fadeIn 2s ease-in-out;
}

.glow-text {
  font-size: 3.5rem;
  background: linear-gradient(90deg, #00ffe0, #0088ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(0,255,255,0.4);
  animation: pulse 4s infinite alternate;
}

.tagline {
  font-size: 1.2rem;
  margin: 20px 0;
  color: #ccc;
}

#countdown {
  font-size: 1.1rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 15px 25px;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  margin-top: 20px;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  from { text-shadow: 0 0 10px #00ffe0; }
  to { text-shadow: 0 0 30px #00bfff; }
}