/* Bubble Animation Styles */
.bubbles {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    top: 0;
    left: 0;
}

.bubble {
    position: absolute;
    bottom: -100px;
    width: 40px;
    height: 40px;
    background: rgba(255, 215, 0, 0.2);
    border-radius: 50%;
    opacity: 0.5;
    animation: rise 10s infinite ease-in;
}

.bubble:nth-child(1) { left: 10%; animation-duration: 8s; }
.bubble:nth-child(2) { left: 20%; animation-duration: 5s; animation-delay: 1s; }
.bubble:nth-child(3) { left: 35%; animation-duration: 7s; animation-delay: 2s;}
.bubble:nth-child(4) { left: 50%; animation-duration: 11s; animation-delay: 0s;}
.bubble:nth-child(5) { left: 65%; animation-duration: 6s; animation-delay: 1s;}
.bubble:nth-child(6) { left: 80%; animation-duration: 15s; animation-delay: 3s;}
.bubble:nth-child(7) { left: 90%; animation-duration: 9s; animation-delay: 2s;}

@keyframes rise {
    0% {
        bottom: -100px;
        transform: translateX(0);
    }
    50% {
        transform: translateX(100px);
    }
    100% {
        bottom: 1080px;
        transform: translateX(-200px);
    }
}