/* Rainbow Button Glow Effect */
.btn-rainbow-glow {
    position: relative;
    z-index: 1;
    overflow: hidden;
    background: transparent;
    color: white;
    border: none;
}

.btn-rainbow-glow::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    background: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
    background-size: 400%;
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    z-index: -1;
    animation: rainbow 20s linear infinite;
    border-radius: 9999px;
    filter: blur(5px);
    opacity: 0.8;
}

.btn-rainbow-glow::after {
    content: '';
    position: absolute;
    inset: 2px;
    background: var(--ng-deep-green);
    /* Palette Deep Green */
    border-radius: 9999px;
    z-index: -1;
}

.btn-rainbow-glow:hover::before {
    filter: blur(8px);
    opacity: 1;
}

@keyframes rainbow {
    0% {
        background-position: 0 0;
    }

    50% {
        background-position: 100% 0;
    }

    100% {
        background-position: 0 0;
    }
}