html, body {
  height: 100%;
  margin: 0;
}

.full-screen-container {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: #000;
}

.background-image {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  z-index: 1;
}

.background-image img {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover; /* fit */
  /* filter: blur(8px); */
  opacity: 0.55; /* overlay effect */
  z-index: 2; /* image ABOVE video */
}

.background-image video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover; /* fit */
  pointer-events: none;
  z-index: 1; /* video BELOW image */
}

.countdown-container {
  position: absolute;
  top: 100px;
  left: 100px;
  z-index: 3;
  font-family: Arial, sans-serif;
  color: #fff;
  background: rgba(0, 0, 0, 0.6);
  padding: 20px 40px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  height: 150px;
}

.countdown {
  display: flex;
  gap: 20px;
  font-size: 2rem;
  font-weight: bold;
}

.countdown div {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.label {
  font-size: 1rem;
  font-weight: normal;
  margin-top: 5px;
}