main {
    margin-top: 110px;
    padding: 20px;
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.9)), url(../imagenes/construcion.webp);
}
p{
    text-align: center;
}
.grupo-proyectos {
    margin: 30px 0;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(50px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 1s ease-out;
}

.grupo-proyectos h2{
    text-align: center;
    transition: transform 0.5s ease;
    animation: fadeIn 1s ease-out forwards;
}
 
.proyecto {
    margin-bottom: 40px;
    position: relative;
    z-index: 5;
}
 
.proyecto h3 {
    color: #2c3e50;
    text-align: center;
}

.imagenes {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 10px 0;
}

.imagen-calidad {
    flex: 1;
    text-align: center;
}

.imagen-redondeada {
    border-radius: 8px;
    max-width: 100%;
    height: auto;
}

#gallery {
    width: 80%;
    margin: auto;
    overflow: hidden;
    position: relative;
 }
 
 .gallery-container {
    display: flex;
    transition: transform 0.5s ease-in-out;
 }
 
 .gallery-item {
    min-width: 100%;
    box-sizing: border-box;
 }
 
 .gallery-item img {
    width: 100%;
    display: block;
 }
 
 .gallery-navigation {
    display: flex;
    justify-content: space-between; 
    position: absolute; 
    top: 50%; 
    left: 0; 
    right: 0; 
    transform: translateY(-50%); 
    gap: 20px;
    z-index: 10; 
 }
 
 .nav-button {
    border: none;
    cursor: pointer;
    border-radius: 5px;
    background-color: transparent;
    height: 50px;
    width: 50px;
    z-index: 20;

 }
 .nav-button img{
    height: 50px;
    width: 50px;
    z-index: 20;
 }
 

@media (max-width: 768px) {
    .imagenes {
        flex-direction: column;
    }
    .imagen-calidad {
        margin-bottom: 20px;
    }
    .grupo-proyectos{
        padding: 10px;
    }
    .grupo-proyectos h2{
        font-size: 35px;
        text-align: center;
    }
    .gallery-navigation{
        transform: translateY(-100%);
    }
    .nav-button{
        height: 35px;
        width: 35px;
    }
    .nav-button img{
        height: 35px;
        width: 35px;
    }
}