.contact-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 5;
    text-decoration: none;
    background: linear-gradient(135deg, #34495e, #2c3e50);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
    transform: translateY(100px) scale(0.8);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.contact-button.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.contact-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #4a6741, #3e5f3a);
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: 50%;
}

.contact-button:hover::before {
    opacity: 1;
}

.contact-button:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.contact-button:active {
    transform: translateY(-2px) scale(1.05);
}

/* Contact Icon (phone/headset) */
.contact-icon {
    width: 28px;
    height: 28px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M20.01 15.38c-1.23 0-2.42-.2-3.53-.56-.35-.12-.74-.03-1.01.24l-1.57 1.97c-2.83-1.35-5.48-3.9-6.89-6.83l1.95-1.66c.27-.28.35-.67.24-1.02-.37-1.11-.56-2.3-.56-3.53 0-.54-.45-.99-.99-.99H4.19C3.65 3 3 3.24 3 3.99 3 13.28 10.73 21 20.01 21c.71 0 .99-.63.99-1.18v-3.45c0-.54-.45-.99-.99-.99z"/></svg>') no-repeat center;
    background-size: contain;
    transition: transform 0.3s;
    position: relative;
    z-index: 2;
}

.contact-button:hover .contact-icon {
    transform: scale(1.1);
}

/* Ripple effect */
.contact-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: 1;
}

.contact-button:hover::after {
    width: 120px;
    height: 120px;
}

/* Subtle pulse animation when visible */
.contact-button.visible {
    animation: subtlePulse 3s ease-in-out infinite;
}

@keyframes subtlePulse {
    0%,
    100% {
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    }

    50% {
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 8px rgba(52, 73, 94, 0.1);
    }
}

@keyframes rippleEffect {
    to {
        transform: scale(2);
        opacity: 0;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .contact-button {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }

    .contact-icon {
        width: 24px;
        height: 24px;
    }
}