:root {
    /* --main-color: #000085; */
    --main-color: #363b40;
    /* --sec-color: #ed1c24; */
    /* --sec-color: #1e5051; */
    --sec-color: #00c9d0;
    /* --sec-color: #6b41ef; */
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Roboto", sans-serif;
}

.relative {
    position: relative;
}

.absolute {
    position: absolute;
}
.main-color {
    color: var(--sec-color);
    transition: 500ms;
}
/*
main {
    background-image: url(../imgs/bg-overlay.png);
    background-attachment: fixed;
    background-size: contain;
}
*/
.effect3 {
    position: relative;
}

.effect3:before {
    z-index: -1;
    position: absolute;
    content: "";
    bottom: 15px;
    left: 10px;
    width: 50%;
    top: 80%;
    max-width: 300px;
    background: #777;
    -webkit-box-shadow: 0 15px 10px #777;
    -moz-box-shadow: 0 15px 10px #777;
    box-shadow: 0 15px 10px #777;
    -webkit-transform: rotate(-3deg);
    -moz-transform: rotate(-3deg);
    -o-transform: rotate(-3deg);
    -ms-transform: rotate(-3deg);
    transform: rotate(-3deg);
}


/* header start */


/* top bar start */

.top-bar {
    background-color: var(--main-color);
    overflow: hidden;
    padding: 5px 0px;
    color: #fff;
}

.top-bar p.latest {
    font-size: 20px;
}

.top-bar p.latest::after {
    content: "|";
    padding-left: 10px;
    color: rgba(220, 220, 220, 0.479);
}

@media (max-width: 576px) {
    .top-bar p.latest::after {
        padding-left: 2px;
    }
}

.top-bar a.latest {
    display: block;
    color: #fff;
    margin-bottom: 0rem;
    padding-bottom: 5px;
}

.top-bar a.latest:hover {
    text-decoration: none;
}

.top-bar .owl-theme .owl-nav {
    position: absolute;
    top: 0px;
    left: -10%;
    font-size: 35px;
}

.top-bar .owl-carousel .owl-nav button.owl-next,
.top-bar .owl-carousel .owl-nav button.owl-prev {
    padding: 0 10px !important;
    margin-left: 0;
    margin-right: 0;
}

@media (max-width: 1199px) {
    .top-bar .owl-theme .item {
        text-align: center;
    }
}

.top-bar .owl-carousel .owl-nav button.owl-next:focus,
.top-bar .owl-carousel .owl-nav button.owl-prev:focus {
    outline: 0px;
}

.top-bar .owl-carousel .owl-nav button.owl-next:hover,
.top-bar .owl-carousel .owl-nav button.owl-prev:hover {
    background-color: transparent;
}

.social i {
    color: #fff;
    transition: 500ms ease-in-out;
    font-size: 30px;
    padding: 0;
    line-height: 0.8;
    margin: 2px;
}

.social .fa-facebook-square {
    background-color: #3b5998;
}

.social .fa-twitter-square {
    background-color: #1da1f2;
}

.social .fa-linkedin {
    background-color: #0077b5;
}

.social .fa-researchgate {
    background-color: #40ba9b;
}

.social .fa-parking {
    background-color: #34689a;
}

.social .fa-facebook-square:hover {
    color: #3b5998;
    background-color: #fff;
}

.social .fa-twitter-square:hover {
    color: #1da1f2;
    background-color: #fff;
}

.social .fa-linkedin:hover {
    color: #0077b5;
    background-color: #fff;
}

.social .fa-researchgate:hover {
    color: #40ba9b;
    background-color: #fff;
}

.social .fa-parking:hover {
    color: #34689a;
    background-color: #fff;
}

.top-bar .btn-primary {
    font-weight: 700;
    margin: 0px 5px;
}

.top-bar a.login::after {
    content: "/";
    padding: 0px 5px;
}

.top-bar a.auth {
    color: #fff;
}

.top-bar a.auth:hover {
    text-decoration: none;
}


/* .top-bar form input {
    padding-left: 5px;
    width: 35%;
    border: 0px;
}

.top-bar form input:focus,
.top-bar form button:focus {
    outline: 0px;
}

.top-bar .search {
    background-color: #fff;
    border: 0px;
    margin-left: -10px;
} */


/* top bar end */


/* logo start */
.logo {
    background-image: url(../imgs/bg.jpg);
    padding: 175px 0;
    background-size: cover;
}

@media (max-width: 576px) {
    .logo {
        padding: 50px 0;
    }
} 
@media (min-width: 576px) and (max-width: 992px) {
    .logo {
        padding: 90px 0;
    }
} 
/* logo end */


/* nav start */

.navbar,
.bg-light {
    padding: 0px;
    border-top: 3px solid #e9e9e9;
    border-bottom: 1px solid #e9e9e9;
    background-color: #fff !important;
}

.navbar-nav {
    margin-top: -2px;
}

.navbar li.nav-item {
    padding: 3px 10px;
    transition: 500ms ease-in-out;
    border-top: 3px solid transparent;
}

.navbar li.nav-item.active,
.navbar li.nav-item:hover {
    background-color: #f0f0f0;
    border-top: 3px solid var(--sec-color);
}

.navbar li.nav-item a {
    color: #000;
    font-size: 20px;
    transition: 500ms ease-in-out;
}

.navbar li.nav-item.active a.active {
    color: var(--sec-color);
    font-weight: 500;
}

.dropdown-toggle::after {
    vertical-align: middle;
}

.form-inline {
    padding: 0px;
}

.form-inline .form-control {
    background: #f0f0f0;
    height: 55px;
    border: 0px;
    border-radius: 0px;
    margin-top: -2px;
    padding-right: 35px;
    border-top: 3px solid transparent;
    transition: 500ms ease-in-out;
}

.form-inline .form-control:focus {
    box-shadow: 0 0 0 0rem rgba(0, 123, 255, 0.25);
    border-top: 3px solid var(--sec-color);
}

.form-inline .btn {
    right: 2px;
    font-size: 20px;
    color: var(--sec-color);
}

.form-inline .btn:focus {
    box-shadow: 0 0 0 0rem rgba(0, 123, 255, 0.25);
}

.navbar-toggler:focus {
    outline: 0px;
    border: 0px;
}

.navbar-toggler-icon {
    font-size: 24px;
}


/* nav end */


/* header end */


/* footer start */

footer {
    padding: 40px 0 0;
    background-color: var(--main-color);
    color: #fff;
}

footer a,
footer a:hover {
    color: #fff;
    margin: 2px;
    font-size: 14px;
}

@media (max-width: 992px) {
    footer .f-nav {
        text-align: center;
    }
}

footer p.address {
    font-size: 12px;
}

footer p.address strong {
    font-size: 14px;
}

footer .social i {
    font-size: 35px;
}

.copyright p {
    margin-bottom: 0;
    border-top: 1px solid gainsboro;
}


/* footer end */


/* scroll */

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    box-shadow: inset 0 0 5px grey;
}

::-webkit-scrollbar-thumb {
    background: var(--main-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--sec-color);
}

footer div.up {
    position: fixed;
    right: 3%;
    bottom: 3%;
    border-radius: 50%;
    display: none;
    cursor: pointer;
    z-index: 99;
}

footer div.up i {
    color: var(--sec-color);
    font-size: 30px;
    text-align: center;
    transition: 500ms;
}
footer div.up i:hover{
    transform: scale(1.1) translateY(-5px);
}