#backToTop {
    position: fixed;
    width: 48px;
    height: 48px;
    bottom: 26px;
    right: 25px;
    z-index: 999;
    background: linear-gradient(135deg, #1e8f79, #2873bd);
    color: #fff;
    border: none;
    cursor: pointer;
    border-radius: 50%;
    font-size: 28px;
    outline: none;
    /* Hidden initially */
    opacity: 0;
    visibility: hidden;
    /* Smooth animation */
    transition: all 0.3s ease;
    /* 🔥 Box Shadow */
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    /* Pulse animation */
    animation: pulse 2s infinite;
}


/* Show button */
#backToTop.show {
    opacity: 1;
    visibility: visible;
}

/* Hover effect */
#backToTop:hover {
    transform: scale(1.15) translateY(-3px);

    /* Glow effect */
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 15px rgba(40, 115, 189, 0.6);
}

/* Click effect */
#backToTop:active {
    transform: scale(0.95);
}

/* 🔥 Pulse Animation */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(40, 115, 189, 0.6);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(40, 115, 189, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(40, 115, 189, 0);
    }
}