.link-card .tooltip-box {
    position: absolute;
    bottom: 115%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 28rem;
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: 1.5rem;
    border-radius: 8px;
    font-size: 1.3rem;
    line-height: 1.5;
    box-shadow: 0 10px 20px rgba(5, 46, 85, 0.2);
    opacity: 0;
    pointer-events: none;
    z-index: 100;
    transition: opacity 0.3s cubic-bezier(0.25, 1, 0.5, 1), transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.link-card .tooltip-box::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: var(--color-primary-dark) transparent transparent transparent;
}

.link-card .tooltip-box strong {
    color: var(--color-accent);
    display: block;
    margin-bottom: 0.4rem;
}

.link-card:hover .tooltip-box {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 768px) {
    .link-card .tooltip-box {
        display: none !important;
    }

    .links-header h2 {
        font-size: 2.6rem;
    }
}