*{
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}
:root{
    --primary_color:#15a4fa;
    --secondary_color:#2d3950;
    --secondary_color_2:#999999;
}
h1, h2, h3, h4, h5, h6 {
    font-family:'Oswald', sans-serif;
}

.container{ 
    padding: 0 80px;
}
/* navigation part start */
.nav_bar{
    padding: 15px 0;
}
.logo img{
    width: 34px;
    height: 37px;
}
.logo h4{
    font-size: 30px;
    padding-left: 15px;
    color: var(--secondary_color);
    font-weight: 600;
}
.menu{
    padding: 0;
}
.menu li {
    padding-left: 30px;
}
.menu li:nth-child(1){
    padding-left: 0;
}
.menu li a{
    text-decoration: none;
    font-size: 22px;
    color: var(--secondary_color);
}
/* navigation part end */

/* slider part start */
.slider{
    background: url(../img/slider_img.jpg);
    padding: 170px 0 250px;
}
.slider_con h1{
    text-align: center;
    font-size: 120px;
    color: #fff;
    font-family: lato ;
}
.down_head{
    height: 2px;
    width: 600px;
    background: var(--primary_color);
    margin: auto;
}
.slider_con p{
    font-size: 20px;
    color: #fff;
    text-align: center;
}
.slider_con .btn{
    border: 2px solid var(--primary_color);
    text-align: center;
    margin-top: 60px;
}
.slider_con .btn a{
    color: #fff;
    text-decoration: none;
}
.slider_con .btn:hover{
    border: 2px solid var(--primary_color);
    background: var(--primary_color);
}
/* slide part end */

/* design part start */
.design_part{
    padding: 80px 0;
    background: #f6f6f6;
}
.design_part h3{
    font-size: 40px;
    padding-bottom: 20px;
    color: var(--secondary_color);
}
.design_part p{
    font-size: 20px;
    color: var(--secondary_color_2);
}
/* design part end */

/* feature part start */
.feature_part{
padding: 60px 0;
}
.feature_con{
    padding-top: 30px;
}
.feature_con h5{
    font-size: 22px;
    color: var(--secondary_color);
}
.feature_con p{
    font-size: 15px;
    color: var(--secondary_color_2);
}
/* feature part end */

/* portFolio part start */
.portfolio_part{
    background: #f9f9f9;
    padding: 80px 0 100px;
}
.port_head h2{
    font-size: 40px;
    color: var(--secondary_color);
    font-family: sans-serif;
}
.port_head p{
    font-size: 15px;
    color: var(--secondary_color_2);
    font-family: sans-serif;
}

.port_img{
    position: relative;
    margin-top: 20px;
}
.port_img_overlay{
    position: absolute;
    width: 100%;
    height: 100%; 
    background: rgba(32,159,239, 0.7);
    top: 0;
    left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: ease-in .3s;
}  
.port_img_overlay i{
    color: #fff;
    padding: 12px;
    border: 1px solid #fff;
    margin: 5px;
}
.port_img_overlay:hover{
    opacity: 1;
}
/* portfollio part end */

/* contract part start */
.contract_part{
    background: url(../img/contract_bg_img.jpg);
    /* padding: 70px 0 100px; */
}
.contract_overlay{
    background: rgba(44,55,76,.7);
    padding: 70px 0 100px;
}
.cont_head h3{
    font-size: 41px;
    color: #fff;
}
.cont_head p{
    font-size: 15px;
    color: var(--secondary_color_2);
}
.name , .email{
    width: 550px;
    height: 60px;
    margin-bottom: 20px;
    border-radius: 5px;
    color: var(--secondary_color_2);
    border: 1px solid var(--secondary_color_2);
    background: transparent;
}
.message{
    width: 550px;
    height: 160px;
    border-radius: 10px;
    color: var(--secondary_color_2);
    border: 1px solid var(--secondary_color_2);
    margin-bottom: 20px;
    background: transparent;
}
form{
    color: var(--secondary_color_2);
    font-size: 15px;
}
.checkbox{
    background: #99a0a9;
    margin-right: 15px;
}
.sent{
    width: 140px;
    height: 45px;
    margin-left: 235px;
    background: transparent;
    border: 1px solid var(--primary_color);
    color: #fff;
}
.sent:hover{
    background: var(--primary_color);}
/* contract part end */

/* footer part start */
.footer_part{
    padding: 25px 0;
}
.footer_con p{
    color: var(--secondary_color_2);
}
.footer_icon > a > i{
    padding: 10px 15px;
    color: #fff;
    background: var(--primary_color);
    margin-right: 5px ;
}
.footer_icon{
    right: 0;
}

/* footert part end */