*{
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
}
.header{
    min-height: 100vh;
    width: 100%;
    background-image: linear-gradient(rgba(4, 9, 30, 0.7), rgba(4, 9, 30, 0.7)), url("Images/Nfront-lab1.jpeg");
    background-position: center;
    background-size: cover;
    position: relative;
}
nav{
    display: flex;
    padding: 2% 6%;
    justify-content: space-between;
    align-items: center;
}
nav img{
    width: 150px;
}
.nav-links{
    flex: 1;
    text-align: right;
}
.nav-links ul li{
    list-style: none;
    display: inline-block;
    padding: 8px 12px;
    position: relative;
}
.nav-links ul li a{
    color: #fff;
    text-decoration: none;
    font-size: 13px;

}
.nav-links ul li::after{
    content: '';
    width: 0%;
    height: 2px;
    background: #96DBFF;
    display: block;
    margin: auto;
    transition: 0.5s;
}
.nav-links ul li:hover:after{
    width: 100%;
}
.text-box{
    width: 90%;
    color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}
.text-box h1{
    font-size: 62px;
}
.text-box p{
    font-size: 14px;
    margin: 10px 0 40px;
    color:#fff;
}
/*-----Language -----*/
.lang-btn{
    display: inline-block;
    text-decoration: none;
    color: #fff;
    padding: 12px 25px;
    border: 1px solid #fff;
    font-size: 13px;
    background: transparent;
    position: relative;
    cursor: pointer;
}
.lang-btn:hover{
    border:1px solid #96DBFF;
    background: #96DBFF;
    transition: 1s;
}

nav .fa{
    display: none;
}

@media (max-width: 700px){
    .text-box h1{
    font-size: 34px;
}
.nav-links ul li{
    display: block;
}
.nav-links{
    position: fixed;
    background: #96DBFF;
    height: 100vh;
    width: 200px;
    top: 0;
    right: -200px;
    text-align: left;
    z-index: 2;
    transition: 1s;
}
nav .fa{
    display: block;
    color: #fff;
    margin: 10px;
    font-size: 22px;
    cursor: pointer;
}
.nav-links ul{
    padding: 30px;
}
}

/*----services ----*/
.services{
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 100px;
}
h1{
    font-size: 36px;
    font-weight: 600;
}
p{
    font-size: 14px;
    color: #777;
    font-weight: 300;
    line-height: 22px;
    padding: 10px;
}

.row{
    margin-top: 5% ;
    display: flex;
    justify-content: space-between;
}

.service-col{
    flex-basis: 30%;
    background: #fff1DC;
    border-radius: 10px;
    margin-bottom: 5%;
    padding: 20px 12px;
    box-sizing: border-box;
    transition: 0.5s;
}
h3{
    text-align: center;
    font-weight: 600;
    margin: 10px 0;
}
.service-col:hover{
    box-shadow: 0 0 20px 0px rgba(0, 0, 0, 0.20);
}
@media (max-width: 700px){
    .row{
        flex-direction: column;
    }
}

/*-----Laboratory-----*/
.laboratory{
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 50px;
}
.laboratory-col {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
flex-basis: 100%;
border-radius: 10px;
}

.laboratory-col img {
  width: 100%;
  display: block;
}
.layer{
    background:transparent;
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: 0.5s;
}
.layer:hover{
    background:rgba(4, 9, 30, 0.7);
}
.layer h3{
    width: 100%;
    font-weight: 500;
    color: #fff;
    font-size: 26px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    position: absolute;
    opacity: 0;
    transition: 0.5s;
}
.layer:hover h3{
    bottom: 40%;
    opacity: 1;;
}

/*-----facilities-----*/

.facilities{
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 120px;
}

.facility-col{
    flex-basis: 31%;
    border-radius: 10px;
    margin-bottom: 5%;
    text-align: left;
}
.facility-col img{
    width: 100%;
    border-radius: 10px;
}
.facility-col h3{
    margin-top: 16px;
    margin-bottom: 15px;
    text-align: left;
    font-weight: 500;
    font-size: 16px;
}

/*-----reviews-----*/
.reviews{
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 60px;
}
.review-col{
    flex-basis: 44%;
    border-radius: 10px;
    margin-bottom: 5%;
    text-align: left;
    background:#fff1DC ;
    padding: 25px;
    cursor: pointer;
    display: flex;
}
.review-col img{
    height: 40px;
    width: 40px;
    border-radius: 50%;
    margin-left: 5px;
    margin-right: 30px;
}
.review-col p{
    padding: 0;
}
.review-col h3{
    margin-top: 15px;
    text-align: left;
    font-weight: 500;
}
.review-col .fa{
    color: #FFC300;
}

/*-----call to action-----*/

.cta{
    margin: 100px auto;
    width: 80%;
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url("Images/Car1s.jpeg");
    background-position: center;
    background-size: cover;
    border-radius:10px ;
    text-align: center;
    padding: 100px 0;
}
.cta h1{
    color:#fff;
    margin-bottom: 40px;
    padding: 0;
}
.cta p{
    color: #fff;
    font-size: 14px;
    margin-bottom: 60px;
}
@media (max-width: 700px){
    .cta h1{
        font-size: 30px;
    }
}

/*-----footer-----*/
.footer{
    width: 100%;
    padding: 30px 0;
    text-align: center;
}
.footer h4{
    margin-bottom: 25px;
    margin-top: 20px;
    font-weight: 600;
}
.footer .fa{
    color:#000;
    margin: 0;
    cursor: pointer;
    padding: 18px 0;
}



/*-----About Us Page-----*/
.sub-header{
    height: 50vh;
    width: 100%;
    background-image: linear-gradient(rgba(4, 9, 30, 0.7), rgba(4, 9, 30, 0.7)), url("Images/Ntubes2.jpeg");
    background-position: center;
    background-size: cover;
    text-align: center;
    color:#fff
}
.sub-header h1{
    margin-top: 100px;
}

.about-us{
    width: 80%;
    margin: auto;
    padding-top: 80px;
    padding-bottom: 50px;
}
.about-col{
    flex-basis: 48%;
    padding: 30px 2px;
}
.about-col img{
    width: 100%;
}
.about-col h1{
    padding-top: 0%;
} 
.about-col p{
    padding: 15px 0 25px;
}
.blue-btn{
    border: 1px solid #003c5a;
    background: transparent;
    color: #003c5a;
}
.blue-btn:hover{
    color: #fff;
}

/*-----Contact Us Page-----*/
.location{
    width: 80%;
    margin: auto;
    padding-top: 80px;
}
.location iframe{
    width: 100%;
}
.contact-us{
    width: 80%;
    margin: auto;
}
.contact-col{
    flex-basis: 48%;
    margin-bottom: 30px;
}
.contact-col div{
    display: flex;
    align-items: center;
    margin-bottom: 40px;
}
.contact-col div .fa{
    font-size: 28px;
    color: #003c5a;
    margin: 10px;
    margin-right: 30px;
}

.contact-col div p{
    padding:0;
}
.contact-col div h5{
    font-size: 20px;
    margin-bottom: 5px;
    color: #555;
    font-weight: 400;
}
.contact-col input, .contact-col textarea{
    width: 100%;
    padding:15px;
    border: 1px solid #ccc;
    outline: none;
    margin-bottom: 17px;
    box-sizing: border-box;
}