body {
    background: #000428;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #004e92, #000428);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #004e92, #000428); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    color: white;
}

.title-lab h2 {
    color: white;
    font-size: 30px;
     align-items: center;
     text-align: center;
     padding-top: 100px;
}

.grid-seccion-blog {
    display: flex;
    justify-content: center;
    padding: 80px 20px 80px 20px;
    font-family: Arial, sans-serif;
    height: auto;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 100%;
    max-width: 1200px;
}

.grid-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

.grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.grid-item .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease;
}

.grid-item:hover .overlay {
    opacity: 1;
}

.grid-item .overlay h2 {
    color: white;
    font-size: 20px;
    text-align: center;
    padding: 10px;
}

.grid-item .overlay .btn {
    margin-top: 10px;
    padding: 10px 20px;
    background-color: #004e92;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.grid-item .overlay .btn:hover {
    background-color: white;
    color: black;
}



@media (max-width: 769px) {
    .grid-container {
        grid-template-columns: 1fr; /* Cambia a una sola columna */
    }

    .grid-item .overlay {
        opacity: 1; /* Overlay siempre visible en dispositivos móviles */
    }

    
}