:root{
    --color-text-general: rgb(51,51,51);
    --colot-text-second: rgb(77, 77, 77);
    --color-base1: #141F84;
    --color-base2: #A80B0B;
    --color-text: #252525;
}


.nav .main_list ul li a{
    color: var(--color-text) !important;
    transition: .2s all ease-in-out;
}
.nav .main_list ul li a:hover{
    color: var(--color-base2) !important;
}
.navTrigger i{
    background-color: var(--color-text);

}
#page-name-bar-heading{
    position: absolute;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    top: 20%;
}
#p-n-b-h{
    color: var(--color-text);
    margin-left: -20px;
    margin-top: 50px;
    text-align: center;
    color: var(--color-text);
    font-size: 40px;
    font-weight: 600;
    font-family: 'Roboto', sans-serif;
    letter-spacing: -1px;
}

#p-n-b-h2{
    margin-top: 45px;
    font-size: 18px;
    font-weight: 600;
    padding-bottom: 10px;
    color: var(--color-text);
}

#about-us-text{
    color: var(--color-text);
    font-size: 16px;
    letter-spacing: 1px;
    width: 700px;
    text-align: center;
    line-height: 31px;
    width: 50%;
}
.wrapper{
    z-index: 2;
    padding-left: 18px;
    padding-right: 18px;
    max-width: 1236px;
    margin-left: auto;
    margin-right: auto;
}
.timeline{
    position: relative;
    height: 2135px;
    padding: 160px 0;
    margin-left: -12px;
    padding-top: 50em;
}

.timeline::before{
    content: "";
    position: absolute;
    left: 10%;
    width: 4px;
    height: 100%;
    background-color: var(--colot-text-second);
}
.timeline_item{
    margin-bottom: 100px;
    position: relative;
}
.timeline_item::after{
    content: "";
    clear: both;
    display: table;
}
.timeline_item:nth-child(2n) .timeline_item_content{
    float: right;
}
.timeline_item:nth-child(2n) .timeline_item_content::before{
    content: '';
    right: 40%;
}

.timeline_item:nth-child(2n) .timeline_item_content_title{
    background-color: var(--color-base1);
}
.timeline_item:nth-child(2n) .timeline_item_content_description{
    color: var(--color-text);
}
.timeline_item:last-child{
    margin-bottom: 0;
}
.timeline_item-bg{
    -webkit-transition: all 1s ease-out;
    transition: all 1s ease-out;
    color: var(--color-base2);
}
.timeline_item-bg:nth-child(2n) .timeline_item_station{
    background-color: var(--color-base2);
}
.timeline_item-bg:nth-child(2n) .timeline_item_content{
    background-color: var(--color-base1);
}
.timeline_item-bg:nth-child(2n) .timeline_item_content::before{
    background-color: var(--color-base2);
}
.timeline_item-bg:nth-child(2n) .timeline_item_content_description{
    color: #fff;
}
.timeline_item-bg .timeline_item_sation{
    background-color: var(--color-base2);
}
.timeline_item-bg .timeline_item_content{
    background-color: var(--color-base1);
}
.timeline_item-bg .timeline_item_content::before{
    background-color: var(--color-base2);
}
.timeline_item-bg .timeline_item_content_description{
    color: #fff;
}
.timeline_item_station{
    background-color: var(--color-base1);
    width: 40px;
    height: 40px;
    position: absolute;
    border-radius: 50%;
    padding: 10px;
    top: 0;
    left: 10%;
    margin-left: -33px;
    border: 4px solid var(--color-base2);
    -webkit-transition:  all .3s ease-out;
    transition: all .3s ease-out;
}
.timeline_item_content{
    width: 80%;
    background: #fff;
    border: 4px solid var(--color-base2);
    padding: 20px 30px;
    border-radius: 6px;
    float: right;
    -webkit-transition: all .3s ease-out;
    transition: all .3s ease-out;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timeline_item_content::before{
    content: '';
    position: absolute;
    left: 10%;
    background: var(--color-base2);
    top: 20px;
    width: 10%;
    height: 4px;
    z-index: -1;
    -webkit-transition: all .3s ease-out;
    transition: all .3s ease-out;  
}
.timeline_item_content_title{
    margin: 0;
    padding: 8px 12px;
    font-size: 28px;
    margin-bottom: 10px;
    background-color: var(--color-base1);
    color: #fff;
    display: inline-block;
    border-radius: 4px;
    border: 2px solid var(--color-base2);
}
.timeline_item_content_description{
    margin: 0;
    padding: 0;
    font-size: 16px;
    line-height: 24px;
    font-weight: 300;
    color: var(--color-text);
}
.timeline_btn_services{
    background-color: var(--color-base2);
    padding: 5px 15px;
    border-radius: 5px;
    color: #fff;
    font-weight: 600;
    transition: .3s all ease-in;
}
.timeline_btn_services:hover{
    transform: scale(1.1);
}


/*GALLERY*/

.gallery{
    display: flex;
    padding: 2px;
    position: relative;
    top: 10em;
    transition: .3s;
    width: 100%;
}

.gallery:hover .gallery_image{
    filter: grayscale(1);
}
.gallery_column{
    display: flex;
    flex-direction: column;
    width: 25%;
}
.gallery_link{
    margin: 2px;
    overflow: hidden;
}
.gallery_link:hover .gallery_image{
    filter: grayscale(0);
}
.gallery_thumb{
    position: relative;
}
.gallery_image{
    display: block;
    width: 100%;
    transition: .3s;
}
.gallery_image:hover{
    transform: scale(1.1);
}


/*RESPONSIVE*/

@media (max-width:1200px){
    .gallery{
        top: 60em;
    }
}

@media (max-width: 900px){
    .timeline::before{
        left: 10%;
        height: 70%;
    }
    #about-us-text{
        width: 70%;
    }
    .gallery{
        top: 10em;
        flex-wrap: wrap;
    }
    .gallery_thumb{
        margin: 0 !important;
    }

}
@media (max-width: 768px){
    .nav .main_list ul li a{
        color: #fff !important;
    }
    #p-n-b-h{
        margin-top: 0;
        font-size: 38px;
    }
    #p-n-b-h2{
        margin-top: 0;
        font-size: 16px;
    }
    #about-us-text{
        width: 70%;
    }
}
@media (max-width: 520px){
    .timeline::before{
        height: 100%;
    }
    #p-n-b-h{
        margin-top: 0;
        font-size: 34px;
    }
    #about-us-text{
        font-size: 14px;
        width: 100%;
        padding: 0 15px 0 15px;
    }
    .gallery_column{
        width: 50%;
    }
}

    @media (max-width: 390px){
        #p-n-b-h{
            margin-top: -50px;
        }
        #about-us-text{
            font-size: 13px;
            padding: 0 10px;
        } 
}