html,
body {
  padding: 0;
  margin: 0;
}
.bg-main {
  background-image: url(img/Laptop.jpg);
  height: 100vh;
  width: 100vw;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.buttons-social-media {
  display: inline-flex;
  position: absolute;
  bottom: 15%;
  left: 0;
  right: 0;
  margin: 0 auto;
  justify-content: center;
}

.buttons-social-media img {
  width: 90px;
  margin: 8px;
}

.buttons-social-media a {
  display: inline-block;
  vertical-align: middle;
  margin-right: 35px;
}

@media only screen and (max-width: 320px){

   .bg-main {
    background-image: url(img/Mobile-L.jpg);
    width: 100vw;
    height: 100vh;
    background-repeat: no-repeat;
    background-size: cover;
  }

  .buttons-social-media {
    display: inline-flex;
    position: absolute;
    bottom: 5%;
  left: 0;
  right: 0;
  margin: 0 auto;
  justify-content: center;
}

  .buttons-social-media img {
    width: 50px;
    margin: auto -12px;
  }
}

@media (min-width: 321px) and (max-width: 375px){
  .bg-main {
    background-image: url(img/Mobile-L.jpg);
    width: 100vw;
    height: 100vh;
    background-repeat: no-repeat;
    background-size: cover;
  }
  }

  .buttons-social-media {
    display: inline-flex;
    position: absolute;
    bottom: 6%;
  left: 0;
  right: 0;
  margin: 0 auto;
  justify-content: center;
}

  .buttons-social-media img {
    width: 50px;
    margin: auto -10px;
  }


@media (min-width: 376px) and (max-width: 525px){
  .bg-main {
    background-image: url(img/Mobile-L.jpg);
    height: 100vh;
    height: 100vh;
    background-repeat: no-repeat;
    background-size: cover;
  }

  .buttons-social-media {
    display: inline-flex;
    position: absolute;
    bottom: 4%;
      left: 0;
  right: 0;
  margin: 0 auto;
    justify-content: center;
    align-items: center; 
}

  .buttons-social-media img {
    width: 50px;
    margin: auto -8px;
  }
}

@media (min-width: 526px) and (max-width: 768px){
.bg-main {
  background-image: url(img/Laptop.jpg);
  height: 100vh;
  width: 100vw;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

  .buttons-social-media {
    display: inline-flex;
    position: absolute;
    bottom: 22%;
  left: 0;
  right: 0;
  margin: 0 auto;
  justify-content: center;
}

  .buttons-social-media img {
    width: 75px;
    margin: auto -5px;
  }
}

/* iPad vertical (768px a 834px) */
@media (min-width: 769px) and (max-width: 834px) {
  .bg-main {
    background-image: url(img/laptop.jpg); /* podés usar una imagen específica para iPad si querés */
    height: 100vh;
    width: 100vw;
    background-repeat: no-repeat;
    background-size: cover;     /* cubre toda la pantalla */
    background-position: center top; /* podés ajustar a 'center' o 'top' según lo que quieras mostrar */
  }

  .buttons-social-media {
    display: flex;
    position: absolute;
    bottom: 12%;     /* un poco más arriba que en laptop */
    left: 0;
    right: 0;
    margin: 0 auto;
    justify-content: center;
    align-items: center;
  }

  .buttons-social-media img {
    width: 80px;     /* tamaño intermedio de íconos para iPad */
    margin: 0 10px;
  }
}