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


.cal-sans-regular {
    font-family: "Cal Sans", sans-serif;
    font-weight: 400;
    font-style: normal;
    text-align: center;
  }

 h1{padding-top: 100px;}

.container{
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: 250px;
    grid-gap: 20px;
    padding: 100px 0;
}

.box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;

}

.lightbox{
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
    background: rgba(0,0,0,.8);
    display: flex;
    justify-content: center;
    align-items: center;
}

.btn-close{
    width: 70px;
    height: 70px;
    background: #AE4545;
    border: 3px solid #fff;
    border-radius: 100%;
    color: #fff;
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    padding-top: 12px;
    position: absolute;
    top: 75px;
    right: 30px;
    cursor: pointer;
}

footer p{
   padding: 0.5rem;
}

.box:nth-child(1){
    grid-column-start: span 2;
}

.box:nth-child(4){
    grid-column-start: span 2;
}

@media (max-width: 991px){
    h1{padding-top: 60px;}
    .container {
        padding: 30px;
        grid-template-columns: repeat(1, 1fr);
    }

    .box:nth-child(1){
        grid-column-start: span 1;
    }
    
    .box:nth-child(4){
        grid-column-start: span 1;
    }
}