/* Bubble Background Effect */
.bubble-container {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.bubble {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg,
    rgba(52, 152, 219, 0.15) 0%,
    rgba(46, 204, 113, 0.12) 50%,
    rgba(155, 89, 182, 0.08) 100%);
    animation: float 20s infinite ease-in-out;
    box-shadow:
    0 0 30px rgba(52, 152, 219, 0.1),
    inset 0 0 20px rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(2px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Bubble Sizes */
.bubble.tiny {
    width: 20px;
    height: 20px;
    animation-delay: 0s;
    animation-duration: 25s;
}

.bubble.small {
    width: 30px;
    height: 30px;
    animation-delay: 0s;
    animation-duration: 25s;
}

.bubble.medium {
    width: 60px;
    height: 60px;
    animation-delay: 5s;
    animation-duration: 30s;
}

.bubble.large {
    width: 100px;
    height: 100px;
    animation-delay: 10s;
    animation-duration: 35s;
}

.bubble.xlarge {
    width: 150px;
    height: 150px;
    animation-delay: 15s;
    animation-duration: 40s;
}

/* Bubble Animations for JavaScript */
@keyframes float {
    0% {
        transform: translateY(100vh) translateX(0) rotate(0deg);
        opacity: 0.3;
    }
    10% {
        opacity: 0.6;
    }
    50% {
        transform: translateY(-20vh) translateX(50px) rotate(180deg);
        opacity: 0.8;
    }
    90% {
        opacity: 0.4;
    }
    100% {
        transform: translateY(100vh) translateX(-50px) rotate(360deg);
        opacity: 0.2;
    }
}

/* 3D All-Direction Animations */
@keyframes float3D {
    0% {
        transform:
        translate3d(0, 100vh, 0)
        translate3d(-100px, 0, 0)
        scale(0.5)
        rotate(0deg);
        opacity: 0.4;
    }
    10% {
        opacity: 0.8;
    }
    25% {
        transform:
        translate3d(25vw, 70vh, 100px)
        translate3d(50px, -50px, 0)
        scale(0.8)
        rotate(90deg);
    }
    50% {
        transform:
        translate3d(50vw, 30vh, 0)
        translate3d(-30px, -100px, 0)
        scale(1)
        rotate(180deg);
        opacity: 0.9;
    }
    75% {
        transform:
        translate3d(75vw, 50vh, -100px)
        translate3d(60px, -50px, 0)
        scale(0.9)
        rotate(270deg);
    }
    100% {
        transform:
        translate3d(100vw, 100vh, 0)
        translate3d(-100px, 0, 0)
        scale(0.5)
        rotate(360deg);
        opacity: 0.4;
    }
}

@keyframes float3DAlt1 {
    0% {
        transform:
        translate3d(100vw, 100vh, 0)
        translate3d(100px, 0, 0)
        scale(0.5)
        rotate(0deg);
        opacity: 0.4;
    }
    25% {
        transform:
        translate3d(75vw, 40vh, 100px)
        translate3d(-80px, -80px, 0)
        scale(0.9)
        rotate(120deg);
    }
    50% {
        transform:
        translate3d(50vw, 10vh, -50px)
        translate3d(100px, -120px, 0)
        scale(1.1)
        rotate(240deg);
        opacity: 0.9;
    }
    75% {
        transform:
        translate3d(25vw, 60vh, 80px)
        translate3d(-60px, -40px, 0)
        scale(0.8)
        rotate(320deg);
    }
    100% {
        transform:
        translate3d(0, 100vh, 0)
        translate3d(100px, 0, 0)
        scale(0.5)
        rotate(360deg);
        opacity: 0.4;
    }
}

@keyframes float3DAlt2 {
    0% {
        transform:
        translate3d(50vw, 100vh, 0)
        translate3d(0, 0, 0)
        scale(0.6)
        rotate(0deg);
        opacity: 0.3;
    }
    33% {
        transform:
        translate3d(10vw, 20vh, 150px)
        translate3d(120px, -80px, 0)
        scale(1.2)
        rotate(120deg);
        opacity: 0.9;
    }
    66% {
        transform:
        translate3d(90vw, 60vh, -100px)
        translate3d(-100px, -40px, 0)
        scale(0.7)
        rotate(240deg);
        opacity: 0.6;
    }
    100% {
        transform:
        translate3d(50vw, 100vh, 0)
        translate3d(0, 0, 0)
        scale(0.6)
        rotate(360deg);
        opacity: 0.3;
    }
}

@keyframes bubblePulse {
    0%, 100% {
        box-shadow:
        0 0 40px rgba(52, 152, 219, 0.3),
        inset 0 0 30px rgba(255, 255, 255, 0.8);
    }
    50% {
        box-shadow:
        0 0 60px rgba(46, 204, 113, 0.4),
        inset 0 0 40px rgba(255, 255, 255, 0.9),
        0 0 100px rgba(155, 89, 182, 0.2);
    }
}

@keyframes floatHorizontal {
    0% {
        transform: translateX(-100px) translateY(0) rotate(0deg);
    }
    50% {
        transform: translateX(100px) translateY(-50px) rotate(180deg);
    }
    100% {
        transform: translateX(-100px) translateY(0) rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow:
        0 0 30px rgba(52, 152, 219, 0.1),
        inset 0 0 20px rgba(255, 255, 255, 0.5);
    }
    50% {
        transform: scale(1.05);
        box-shadow:
        0 0 40px rgba(46, 204, 113, 0.15),
        inset 0 0 25px rgba(255, 255, 255, 0.6);
    }
}

/* Interactive Bubbles (optional hover effect) */
.bubble.interactive {
    pointer-events: auto;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.bubble.interactive:hover {
    transform: scale(1.2);
    box-shadow:
    0 0 50px rgba(155, 89, 182, 0.2),
    inset 0 0 30px rgba(255, 255, 255, 0.7);
    animation-play-state: paused;
}

/* Bubble Groups for different sections */
.bubble-group-1 {
    background: linear-gradient(135deg,
    rgba(52, 152, 219, 0.2) 0%,
    rgba(46, 204, 113, 0.15) 100%);
}

.bubble-group-2 {
    background: linear-gradient(135deg,
    rgba(155, 89, 182, 0.15) 0%,
    rgba(52, 152, 219, 0.1) 100%);
}

.bubble-group-3 {
    background: linear-gradient(135deg,
    rgba(46, 204, 113, 0.15) 0%,
    rgba(241, 196, 15, 0.1) 100%);
}

/* Bubble Trail Effect */
.bubble-trail {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(
    circle at center,
    transparent 30%,
    rgba(255, 255, 255, 0.1) 70%,
    transparent 100%
    );
    animation: trailFade 2s infinite linear;
}

@keyframes trailFade {
    0% {
        opacity: 0;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 0;
        transform: scale(1.5);
    }
}

/* Special Laundry-themed Bubbles */
.bubble.soap {
    background: linear-gradient(135deg,
    rgba(174, 214, 241, 0.25) 0%,
    rgba(255, 255, 255, 0.2) 100%);
    animation-name: float3D, bubblePulse;
    animation-duration: 30s, 4s;
}

.bubble.water {
    background: linear-gradient(135deg,
    rgba(52, 152, 219, 0.25) 0%,
    rgba(86, 204, 242, 0.2) 100%);
    animation-name: float3DAlt1, bubblePulse;
    animation-duration: 28s, 5s;
}

.bubble.fabric {
    background: linear-gradient(135deg,
    rgba(46, 204, 113, 0.2) 0%,
    rgba(142, 68, 173, 0.15) 100%);
    animation-name: float3DAlt2, bubblePulse;
    animation-duration: 32s, 6s;
}

.bubble.detergent {
    background: linear-gradient(135deg,
    rgba(241, 196, 15, 0.25) 0%,
    rgba(243, 156, 18, 0.2) 100%);
    animation-name: float3D, bubblePulse;
    animation-duration: 26s, 7s;
}

/* Bubble Inner Glow */
.bubble::before {
    content: '';
    position: absolute;
    top: 10%;
    left: 10%;
    width: 30%;
    height: 30%;
    border-radius: 50%;
    background: radial-gradient(
    circle at center,
    rgba(255, 255, 255, 0.9) 0%,
    rgba(255, 255, 255, 0.3) 70%,
    transparent 100%
    );
    filter: blur(5px);
}

.bubble::after {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 20%;
    height: 20%;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    filter: blur(8px);
    animation: sparkle 3s infinite ease-in-out;
}

@keyframes sparkle {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.2);
    }
}

/* Animated bubble shimmer */
@keyframes shimmer {
    0% {
        background-position: -100% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.bubble.shimmer {
    background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.3) 50%,
    rgba(255, 255, 255, 0) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 3s infinite;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .bubble {
        animation-duration: 15s !important;
    }

    .bubble.large {
        width: 80px;
        height: 80px;
    }

    .bubble.xlarge {
        width: 120px;
        height: 120px;
    }

    /* Reduce number of bubbles on mobile */
    .bubble:nth-child(n+8) {
        display: none;
    }
}

/* For high-performance devices */
@media (prefers-reduced-motion: no-preference) {
    .bubble {
        will-change: transform, opacity;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .bubble {
        animation: none;
        opacity: 0.1;
    }
}