*{

    margin:0;
    padding:0;
    box-sizing: border-box;
}


header {

    width: 100%;
    height: 150px;
    position: fixed;
    z-index: 50;
    opacity: 0.9;
    

}

.cabeza {

    width: 100%;
    height: 100px;
    background: linear-gradient(black, rgba(0, 0, 0, 0))
   
   

}




.logo {

    width: 200px;
    position: relative;
    bottom: 80px;
    left: 50px;

}

.logo:hover{

    width: 210px;
    box-shadow: 0px 0px 10px 5px rgba(0, 0, 0, 1);
    border-radius: 5px;
    background: rgba(0, 0, 0, 0.4);

}

.logo img{

    width: 100%;
    display: block;
  
}


nav {

    float: right;
    position: relative;
    
   
}



nav ul {

    list-style: none;
    
    margin-right: 50px;
}

nav ul li {

    display: inline-block;
    margin-left: 10px;
    border-radius: 3px;
    width: 120px;
    text-align: center;
                                                            
}

nav ul li a {

    text-decoration: none;  
    text-transform: uppercase;
    font-size: 15px;
    font-family:  Geneva, Tahoma, sans-serif;
    color: rgb(255, 255, 255);
    opacity: 0.8;
    font-weight: 700;
    letter-spacing: 2px;
    line-height: 5;
}

nav ul :hover{

background: rgba(0, 0, 0, 0.3);
box-shadow: 0px 0px 5px 10px rgba(0, 0, 0, 0.3) ;




}

body {

    background-color: rgba(0, 0, 0, 0.9);
}


.principal {

    width: 100%;
    background: rgb(255, 255, 255);
    margin: auto;
  
}

.seccion1 img {

    width: 100%;
    
    
}

.seccion2 {

width: 100%;
height: 1000px;
background: linear-gradient(white, black);

}




.seccion3 {


    background: black;
    width: 100%;
    height: 500px;
}

.seccion1 p {


    margin: 50px;
}

.deunsueño {


    position: absolute;
    background: black;
    width: 100%;
    height: 1112px;
    opacity: 0.2;
    top:0;
    box-shadow: 0px 0px 15px 20px rgba(0, 0, 0, 1) ;
    

}

.deunsueño img {

    width: 20%;
    position: relative;
    top: 250px;
    left: 40%;

}

.seccion2 img {

opacity: 0.9;
width: 10%;
margin-top: 100px;
margin-left: 100px;
transition:  width 0.3s;
z-index: 100;
}



.seccion2 img:hover{

width: 30%;


}

.seccion3 img{


position: relative;
bottom: 700px;
width: 10%;
margin-left: 110px;
transition: width 0.3s;
z-index: 90;

}

.seccion3 img:hover{

    width: 30%;
}


.whatsApp {
    position: absolute;
    width: 30px;
    top: 600px;
    left: 93%
}

.whatsApp:hover{

    width: 60px;
    left: 92%;
}

.whatsApp a img{

    width: 100%;

}