.tech-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 160px;
    background: #ffffff;
    border-radius: 14px;
    text-align: center;
    text-decoration: none;
    color: #333;
    padding: 18px;
    transition: all 0.35s ease;
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
}

/* NORMAL STATE → FULL COLOR */
.tech-card img {
    width: 100%;
    max-height: 80px;
    object-fit: contain;
    filter: grayscale(0%) brightness(1);
    transition: all 0.35s ease;
    margin-bottom: 12px;
}

.tech-card span {
    font-size: 14px;
    font-weight: 500;
}

/* HOVER EFFECT */
.tech-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 35px rgba(0,0,0,0.12);
}

/* HOVER → FADED */
.tech-card:hover img {
    filter: grayscale(100%) brightness(0.85);
}
.tech-card:hover img {
    filter: grayscale(100%) brightness(0.85);
    opacity: 0.6;
}
.tech-card:hover span {
    opacity: 0.7;
}