/* Animations */
@keyframes highlight {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
        color: #28a745;
    }
    100% {
        transform: scale(1);
    }
}

.highlight {
    animation: highlight 0.3s ease-in-out;
}

/* Service card hover effect */
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Checkbox animation */
.service-checkbox {
    transition: transform 0.2s ease;
}

.service-checkbox:checked {
    transform: scale(1.2);
}

/* Back to top button animation */
.back-to-top {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.back-to-top:hover {
    transform: translateY(-3px);
}

.back-to-top.show {
    opacity: 1;
    transform: translateY(0);
}

/* Navigation link hover effect */
.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: currentColor;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}