body {
  margin: 0;
  background: black;
  overflow-y: auto;
  min-height: 100vh;
}

.BI-title {
  font-family: "chelsea-market-script", sans-serif;
  font-weight: 400;
  font-style: normal;
  font-size: 70px;
  color: #ffffff;
  text-align: center;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  z-index: 100;
  pointer-events: none;
  animation: floatText 3s ease-in-out infinite,
             colorPulse 5s ease-in-out infinite;
}

@keyframes floatText {
  0%, 100% { transform: translate(-50%, -50%) translateY(0); }
  50% { transform: translate(-50%, -50%) translateY(-15px); }
}

@keyframes colorPulse {
  0%, 100% { color: #ffffff; }
  30% { color: black; }
}

.video-grid {
  display: grid;
  width: 100vw;
  min-height: 100vh;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 10px;
  padding: 100px 10px 10px;
  position: absolute;
  top: 0;
  left: 0;
}


.video-box {
  width: 100%;
  height: 100%;
  opacity: 0.2;
  transition: opacity 0.4s ease;
  pointer-events: auto;
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.video-box:hover {
  opacity: 1;
  z-index: 10;
  background: transparent;
}


video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.nav-btn {
  padding: 10px 20px;
  background: #444444;
  color: #ffffff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin: 20px auto;
  font-size: 16px;
  display: block;
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
}

.nav-btn:hover {
  background: #222222;
}