.a-Wa-S1 {
    position: fixed !important;
    bottom: 1.5rem !important;
    right: 1.5rem !important;
    z-index: 9999 !important;
    
    display: flex;
    align-items: center;
    justify-content: center;
    
    width: 4rem;
    height: 4rem;
    
    background: linear-gradient(135deg, #25d366 0%, #128c7e 50%, #075e54 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 50%;
    
    box-shadow: 0 0.5rem 1rem rgba(37, 211, 102, 0.4),
                0 0.25rem 0.5rem rgba(0, 0, 0, 0.2),
                inset 0 -0.125rem 0.25rem rgba(0, 0, 0, 0.1),
                inset 0 0.125rem 0.25rem rgba(255, 255, 255, 0.3);
    
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    animation: creativeBounce 1s ease-out, float 3s ease-in-out 1s infinite;
    
    border: 0.25rem solid transparent;
    background-clip: padding-box;
    
    position: relative;
    overflow: hidden;
}

.a-Wa-S1::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.3), transparent, rgba(37, 211, 102, 0.3), transparent);
    animation: rotate 3s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.a-Wa-S1::after {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
    animation: pulse 2s ease-in-out infinite;
}

.a-Wa-S1:hover::before,
.a-Wa-S1:hover::after {
    opacity: 1;
}

.a-Wa-S1 .Wa-S1 {
    font-size: 2rem;
    line-height: 1;
    filter: drop-shadow(0 0.125rem 0.25rem rgba(0, 0, 0, 0.2));
    transition: transform 0.3s ease;
}

.a-Wa-S1:hover {
    transform: scale(1.15) rotate(5deg) translateY(-0.25rem);
    
    background: linear-gradient(135deg, #128c7e 0%, #25d366 50%, #075e54 100%);
    
    box-shadow: 0 0.75rem 1.5rem rgba(37, 211, 102, 0.6),
                0 0.5rem 1rem rgba(0, 0, 0, 0.3),
                0 0 2rem rgba(37, 211, 102, 0.4),
                inset 0 -0.1875rem 0.375rem rgba(0, 0, 0, 0.2),
                inset 0 0.1875rem 0.375rem rgba(255, 255, 255, 0.4);
    
    border-color: rgba(255, 255, 255, 0.5);
}

.a-Wa-S1:hover .Wa-S1 {
    transform: scale(1.2) rotate(10deg);
    filter: drop-shadow(0 0.25rem 0.5rem rgba(0, 0, 0, 0.3))
            drop-shadow(0 0 1rem rgba(37, 211, 102, 0.5));
}

.a-Wa-S1:active {
    transform: scale(1.05) rotate(-2deg);
    transition: transform 0.1s ease;
    box-shadow: 0 0.25rem 0.5rem rgba(37, 211, 102, 0.4),
                0 0.125rem 0.25rem rgba(0, 0, 0, 0.2);
}

@keyframes creativeBounce {
    0% {
        transform: scale(0) rotate(-180deg) translateY(5rem);
        opacity: 0;
    }
    50% {
        transform: scale(1.2) rotate(10deg) translateY(-0.5rem);
        opacity: 0.8;
    }
    70% {
        transform: scale(0.9) rotate(-5deg) translateY(0.25rem);
        opacity: 1;
    }
    100% {
        transform: scale(1) rotate(0deg) translateY(0);
        opacity: 1;
    }
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.4;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-0.25rem);
    }
}

body.dark .a-Wa-S1 {
    background: linear-gradient(135deg, #1a5c4a 0%, #0f3d2e 50%, #052421 100%);
    
    box-shadow: 0 0.5rem 1rem rgba(26, 92, 74, 0.5),
                0 0.25rem 0.5rem rgba(0, 0, 0, 0.3),
                0 0 1.5rem rgba(37, 211, 102, 0.3),
                inset 0 -0.125rem 0.25rem rgba(0, 0, 0, 0.2),
                inset 0 0.125rem 0.25rem rgba(255, 255, 255, 0.1);
    
    border-color: rgba(37, 211, 102, 0.3);
}

body.dark .a-Wa-S1:hover {
    background: linear-gradient(135deg, #0f3d2e 0%, #1a5c4a 50%, #052421 100%);
    
    box-shadow: 0 0.75rem 1.5rem rgba(26, 92, 74, 0.7),
                0 0.5rem 1rem rgba(0, 0, 0, 0.4),
                0 0 2.5rem rgba(37, 211, 102, 0.5),
                inset 0 -0.1875rem 0.375rem rgba(0, 0, 0, 0.3),
                inset 0 0.1875rem 0.375rem rgba(255, 255, 255, 0.2);
    
    border-color: rgba(37, 211, 102, 0.6);
}

body.dark .a-Wa-S1::before {
    background: conic-gradient(from 0deg, transparent, rgba(37, 211, 102, 0.4), transparent, rgba(255, 255, 255, 0.2), transparent);
}

body.dark .a-Wa-S1::after {
    background: radial-gradient(circle, rgba(37, 211, 102, 0.5) 0%, transparent 70%);
}

@media (min-width: 48rem) {
    .a-Wa-S1 {
        width: 4rem;
        height: 4rem;
        bottom: 2rem;
        right: 2rem;
    }
    
    .a-Wa-S1 .Wa-S1 {
        font-size: 2rem;
    }
}

@media (min-width: 64rem) {
    .a-Wa-S1 {
        width: 5rem;
        height: 5rem;
        bottom: 2.5rem;
        right: 2.5rem;
        
        animation: fadeInScale 0.5s ease-out;
    }
    
    .a-Wa-S1 .Wa-S1 {
        font-size: 2.5rem;
    }
}

@media (min-width: 90rem) {
    .a-Wa-S1 {
        width: 7rem;
        height: 7rem;
        bottom: 3rem;
        right: 3rem;
    }
    
    .a-Wa-S1 .Wa-S1 {
        font-size: 3rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .a-Wa-S1 {
        animation: none;
        transition: transform 0.2s ease;
    }
    
    .a-Wa-S1:hover {
        transform: scale(1.05);
    }
    
    .a-Wa-S1:hover .Wa-S1 {
        transform: none;
    }
}

.a-Wa-S1:focus-visible {
    outline: 2px solid #25d366;
    outline-offset: 0.25rem;
}

body.dark .a-Wa-S1:focus-visible {
    outline-color: #1a5c4a;
}