/* CSS Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.container {
  position: relative;
  background: url("underwater.jpg");
  height: 100vh;
  width: 100vw;
  background-repeat: no-repeat;
  background-position: bottom;
  background-size: cover;
}

.fish-container {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  display: flex;
  z-index: 1; 
}

.fish-container img {
  height: 100px;
  position: absolute;
}

.fish1 {
  top: 33%;
  left: -10%;
  transform: translateY(-50%);
  animation: fishAnimation 12s linear infinite;
}

.fish2 {
  top: 66%;
  left: -10%;
  transform: translateY(-50%);
  animation: fishAnimation 12s linear infinite 5s;
}

.fish3 {
  left: -30%;
  top: 110%;
  animation: fishAnimation2 16s linear infinite 3s;
}

.smallFish {
  position: absolute;
  height: 65px !important;
  top: 3%;
  left: -10%;
  opacity: 0.75;
  animation: fishAnimation 15s linear infinite 3s;
}

@keyframes fishAnimation {
  0% {
    left: -10%;
  }
  100% {
    left: 150%;
  }
}

@keyframes fishAnimation2 {
  0% {
    left: -30%;
    top: 110%;
  }
  100% {
    left: 110%;
    top: -30%;
  }
}

.bubble-container {
  position: fixed;
  height: 100%;
  width: 100%;
  display: flex;
}

.bubble-container img {
  height: 40px;
  position: absolute;
  top: 140%;
  transform: translateX(-50%);
}

.bubble1 {
  left: 16%;
  animation: bubbleAnim 7s linear infinite 2s;
}

.bubble2 {
  left: 48%;
  animation: bubbleAnim 7s linear infinite 8s;
}

.bubble3 {
  left: 80%;
  animation: bubbleAnim 7s linear infinite 5s;
}

@keyframes bubbleAnim {
  0% {
    top: 140%;
  }
  75% {
    opacity: 1;
  }
  100% {
    top: 20%;
    opacity: 0;
  }
}

h1 {
  font-size: 1.7rem;
  line-height: 2rem;
  display: flex;
  justify-content: center;
  background-color: #003049;
  color: white;
}

.game-container {
  
  margin-top: 5rem;
  height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative; /* Ensure stacking context for z-index */
  z-index: 2; /* Set higher z-index for front layer */
}

.btn:hover {
  background-color: #1b1b19;
}

.btn {
  padding: 1rem;
  font-size: 1rem;
  background-color: #191913;
  color: #fff;
  border-radius: 1rem;
  border: none;
  margin: 2rem; /* Reduced margin for better spacing */
  cursor: pointer;
}

.content {
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

p:hover {
  opacity: 0.8; /* Reduced opacity for hover effect */
}

p {
  padding: 1rem;
  font-size: 1.6rem;
  background-color: #adc178;
  border-radius: 10rem;
  border: 2px solid #2d8d4f;
}