/*Functions*/

/*Base styling*/
*{
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

body{
  font-family: "dosis", sans-serif;
  background: #333;
}


a{
  text-decoration: none;
  color: #fff;
}

ul{
  list-style: none;
}


/*NavBar*/
.nav-container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3rem 7rem;
  color: #fff;
  width: 100%;
  height: 5rem;
}

.nav-container ul{
  display: flex;
}

.nav-container a{
  margin: 0 1rem;
  padding: 0.5rem;
  color: #fff;
}

.nav-container a:hover{
  border-bottom: 2px solid #fff;
}

.current{
  border-bottom: 2px solid white;
}

/*Main Image Section*/

.gallery-container{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 450px 385px 450px;
  grid-gap: 15px;
  width: 100%;
  margin: auto;
  padding: 1rem 4rem 0 4rem;
}

.image-container img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 3px;
  box-shadow: 3px -3px 10px rgba(0,0,0,0.5);
}

.img-1{
  grid-column: 1 / span 2;
}

.img-3{
  grid-column: 2 / span 2;
  grid-row: 2;
}

.img-7{
  grid-column: 3 / span 2;
}

.img-8{
  grid-column: 1 / span 2;
  grid-row: 3;
}

.back{
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 2rem;
  color: #fff;
}

.back button{
  font-size: 2rem;
  color: #fff;
  background: none;
  border: none;
  opacity: 0.6;
  transition: all 0.5s;
}

.back i {
  padding: 1rem;
  opacity: 0.6;
}

.back button:hover,
.back i:hover{
  opacity: 1;
  cursor: pointer;
}

.back button:focus{
  outline: none;
}


footer{
  bottom: 0;
  background: #333;
  height: 80px;
  width: 100%;
  text-align: center;
  color: #fff;
  padding-top: 1.5rem;
}

/*Tablet*/

@media(max-width: 767px){

  .nav-container{
    flex-direction: column;
    padding: 1rem;
  }

  .nav-container ul{
    padding-top: 1rem;
  }

  .gallery-container{
    display: flex;
    flex-direction: column;
    padding: 2.5rem 2.5rem 0 2.5rem;
  }

  .image-container{
    width: 100%;
    margin: auto;
  }

}

@media only screen and (min-width : 768px) and (max-width : 1200px){

  .nav-container{
    flex-direction: column;
    padding: 1rem;
  }

  .nav-container ul{
    padding-top: 0.5rem;
    margin-bottom: 1rem;
  }

  .gallery-container{
    display: flex;
    flex-direction: column;
  }
}