body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: black;
  color: white;
}

/* Background Video */
.bg-video {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.35);
  z-index: -1;
}

/* Overlay */
.overlay {
  position: fixed;
  width: 100%; height: 100%;
  background: linear-gradient(to right, rgba(0,0,0,0.85) 30%, transparent 80%);
  z-index: -1;
}

/* Back Button */
.back-btn {
  position: fixed;
  top: 20px; left: 20px;
  width: 45px; height: 45px;
  background: rgba(0,0,0,0.6);
  border: none;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
  transition: 0.3s;
  z-index: 2;
}

.back-btn:hover {
  background: rgba(0,0,0,0.85);
  transform: scale(1.1);
  box-shadow: 0 0 20px rgba(0,0,0,0.7);
}

/* Content */
.content {
  height: 100vh;
  display: flex;
  align-items: center;
  padding-left: 80px;
}

.text {
  max-width: 500px;
}

h1 {
  font-size: 56px;
  margin-bottom: 15px;
}

p {
  color: #ccc;
  line-height: 1.6;
  margin-bottom: 25px;
}

/* Play Button */
.play-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 45px;
  font-size: 18px;
  border: none;
  border-radius: 50px;
  background: white;
  color: black;
  cursor: pointer;
  transition: 0.25s;
}

.play-btn:hover {
  transform: scale(1.05);
}

/* Mobile & Tablet */
@media (max-width: 900px) {
  .overlay {
    background: linear-gradient(to top, rgba(0,0,0,0.9) 40%, transparent 100%);
  }

  .content {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    padding: 20px;
    height: 100vh;
  }

  .text {
    max-width: 100%;
  }

  h1 {
    font-size: 32px;
  }

  p {
    font-size: 14px;
  }

  .play-btn {
    width: 100%;
    padding: 16px;
    justify-content: center;
  }

  .bg-video {
    height: 60%;
  }
}