@font-face {
    font-family: "Plus Jakarta Sans";
    src: url("../fonts/Plus_Jakarta_Sans/PlusJakartaSans-VariableFont_wght.ttf");
}

@font-face {
    font-family: "Titillium Web sb";
    src: url("../fonts/Titillium_Web/TitilliumWeb-SemiBold.ttf");
}

@font-face {
    font-family: "Titillium Web l";
    src: url("../fonts/Titillium_Web/TitilliumWeb-Light.ttf");
}

* {
    padding: 0;
    margin: 0;
}

a {
    text-decoration: none;
    color: unset;
}

body {
    font-family: "Plus Jakarta Sans";
}

.header-container {
    position: relative;
    position: fixed;
    top: 0;
    width: 100%;
    background-color: unset;
    transition: background-color linear .2s;
    z-index: 100;    
}

.header {
    padding: .5rem 1.5rem .5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.menu-mobile {
    display: none;
}

.burger-btn {
    cursor: pointer;
}

.burger-header-nav {
    position: absolute;
    height: 100vh;
    top: 0;
    right: 0;
    padding: 0 .5rem;
    background-color: #1D2846;
    opacity: 0;
    transition: all linear .2s;
    display: none;
}

.burger-header-nav .nav-item {
    position: relative;
    margin-bottom: .5rem;
    right: -100%;
}

.header-nav {
    display: flex;
}

.nav-item {
    height: fit-content;
    color: white;
    margin-left: 2rem;
    padding: .5rem 1.5rem;
    border-radius: 1rem;
    transition: all linear .2s;
}

.nav-item:hover {
    background-color: #C52757;
}

.top-banner-section {
    overflow: hidden;
}

.top-banner {
    position: relative;
}

.top-banner img {
    width: 100%;
}

.top-tagline {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
}

.header-logo-mobile {
    display: none;
}

.top-tagline h1 {
    text-align: center;
    text-shadow: 0px 2px 15px rgba(0, 0, 0, 0.50);
    font-family: "Titillium Web sb";
    font-size: 3.125rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.top-tagline h3 {
    text-align: center;
    font-family: "Titillium Web l";
    font-size: 1.125rem;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
}

.intro-section {
    padding: 7rem;
    display: flex;
    justify-content: space-around;
    align-items: baseline;
}

.intro-section .item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.intro-section h4 {
    margin-top: 2rem;
    color: #1C2747;
    font-weight: 400;
    text-align: center;
}

.top-slider-section {
    background-image: url("../img/top_slider_background2.jpg");
    background-repeat: no-repeat;
    background-position: center;
    background-color: #1C2747;
    padding-bottom: 5rem;
}

.top-slider-section h2, .management-section h2, .members-section h2 {
    color: #C52757;
    text-align: center;
    font-size: 2.1875rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 2.5rem 0;
}

.slides-container .slide {
    display: flex !important;
    max-width: 700px;
    width: 100%;
    height: 250px;
    border-radius: 0.8125rem;
    border: 1px solid #ffffff45;
    margin: 0 1rem;
    overflow: hidden;
}

.slide img {
    width: 50%;
}

.slide .description {
    padding: 1rem;
    width: 50%;
    background-color: white;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.description span {
    display: block;
    color: #79428D;
    font-size: 0.75rem;
    font-weight: 400;
    padding-bottom: .5rem;
}

.description h4 {
    font-weight: 500;
    line-height: 1.5;
}

.description strong {
    width: fit-content;
    color: white;
    padding: .5rem 1.5rem;
    background-color: #C52757;
    border-radius: 15px;
    text-transform: uppercase;
    font-weight: 500;
}

.advantages-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 25%;
}

.advantages-list {
    margin-top: 2rem;
}

.advantages-list .list-item {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.advantages-list img {
    margin-right: 2rem;
}

.advantages-list h3 {
    font-weight: 400;
}

.management-section {
    background: linear-gradient(180deg, #222F5D 0%, #894091 100%);  
    padding: 3rem 22% 7rem;  
}

.management-container {
    margin-top: 3rem;
    display: flex;
    justify-content: space-between;
}

.contact {
    text-align: center;
}

.contact h3 {
    color: #FFF;
    font-size: 1.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.contact strong {
    color: #FFF;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 400;
    border: 1px solid grey;
    border-radius: 25px;
    padding: .5rem 1rem;
}

#about-us-anchor, #members-anchor, #sbr-anchor {
    position: relative;
    top: -85px;
}

.members-section {
    padding: 2rem 0 1rem;
}

.members-list {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
}

.members {
    margin: 0 2rem;
}

.members div {
    display: flex;
    align-items: center;
    margin-bottom: .5rem;
}

.members div img {
    margin-right: .5rem;
}

.members div h4 {
    font-weight: 400;
    cursor: default;
}

.members div h4:hover {
    color: #c52757;
}

.research-section {
    background: linear-gradient(180deg, #894091 0%, #E62357 100%);
    padding: 0 20% 5rem;
}

.research-section h2 {
    padding: 4rem 0;
    color: #FFF;
    text-align: center;
    font-size: 2.1875rem;
    font-weight: 600;
    text-transform: uppercase;
}

.research-section .card {
    border-radius: 0.8125rem;
    background: #FFF;
    box-shadow: 0px 2px 20px 0px rgba(0, 0, 0, 0.50);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    height: 90px;
    transition: all linear .15s;
}

.research-section .card:hover {
    transform: scale(1.02);
}

.research-section .card .name {
    width: 65%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.research-section .card h3 {
    color: #C52757;
    font-family: "Plus Jakarta Sans";
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: .5rem;
}

.research-section .card h4 {
    font-weight: 400;
}

.research-section .card .button {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.research-section .card .button strong {
    color: #FFF;
    padding: .5rem 1rem;
    background-color: #C52757;
    border-radius: 15px;
    font-size: 0.8125rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.research-section .card .button h5 {
    font-weight: 400;
}

.footer {
    padding: 5rem;
    text-align: center;
    color: white;
    background-image: url("../img/footer_background.jpg");
    background-repeat: no-repeat;
    background-color: #1C2747;
    background-position: right;
}

.footer h3 {
    margin-top: 2.5rem;
    font-weight: 400;
}

.footer strong {
    display: block;
    margin-top: 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.875rem;
}

.footer span {
    display: block;
    font-size: 0.875rem;
    font-weight: 400;
    margin-top: .5rem;
}

.footer .mail {
    margin-top: 1rem;
}

.footer h5 {
    margin-top: 2rem;
    font-size: 0.875rem;
    font-weight: 400;
}

.footer h5 a {
    margin: 0 .5rem;
}

@media(max-width: 1300px) {

    .top-banner {
        justify-content: flex-end;
        display: flex;
    }

    .top-banner img {
        width: unset;
        height: 100%;
    }
}

@media(max-width: 1200px) {
    .nav-item {
        margin-left: 0;
    }
    .slides-container .slide {
        width: 560px;
        height: 200px;
    }

    .management-section {
        padding: 3rem 7rem 7rem;
    }

    .research-section {
        padding: 0 10% 5rem;
        ;
    }
}

@media(max-width: 1100px) {

    .header {
        padding: 1rem .5rem .5rem 1.5rem;
    }
    .advantages-section {
       padding: 2rem 10%;
    }
}

@media(max-width: 992px) {
    .menu-mobile {
        display: block;
    }

    .menu-mobile img {
        width: 50px;
    }

    .header-nav {
        display: none;
    }

    .top-banner img {
        position: relative;
        left: 100px;
    }

    .intro-section {
        padding: 7rem 2rem;
    }

    .management-section {
       padding: 2rem 2rem 5rem;
    }
}

@media(max-width: 824px) {
    .management-section h2 {
        padding-bottom: 0;
    }

    .management-container {
        flex-direction: column;
    }

    .contact {
        margin-bottom: 4rem;
    }

    .research-section {
        padding: 1rem ;
    }
}

@media(max-width: 768px) {

    .top-banner img {
        left: 200px;
    }

    .top-tagline h3 {
        width: 40%;
    }

    .intro-section {
        flex-direction: column;
        align-items: center;
    }

    .intro-section .item {
        margin-bottom: 4rem;
    }
}

@media(max-width: 700px) {
    .top-tagline h1 {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    .research-section {
        padding: 1rem 2rem;
    }
    .research-section .card {
        height: unset;
        flex-direction: column;
    }

    .research-section .card .name {
        width: 100%;
        margin-bottom: 2rem;
    }

    .research-section .card .button {
        align-items: unset;
    }

    .research-section .card .button strong {
        width: fit-content;
    }

    .research-section .card .button h5 {
        padding-left: 1rem;
    }

    .slides-container .slide {
        flex-direction: column;
        width: 350px;
        height: 450px;
    }

    .slides-container .slide img {
        width: unset;
        height: 50%;
    }

    .slides-container .slide .description {
        width: 100%;
        height: 100%;
    }

    .advantages-section {
        padding: 2rem;
        ;
    }
}

@media(max-width: 600px) {
    header {
        display: none;
    }

    .header-logo-mobile {
        display: block;
        margin-bottom: 2rem;

    }

    .header-logo-mobile img {
        position: static;
    }

    .top-tagline h3 {
        font-size: 1rem;
        width: 60%;
    }

    .advantages-list {
        text-align: center;    }

    .advantages-list .list-item {
        flex-direction: column;
    }

    .advantages-list .list-item img {
        margin-right: 0;
        margin-bottom: 2rem;
    }

    .advantages-list .list-item h3 {
        margin-bottom: 2rem;
        justify-content: center;
    }

    .members-section h2 {
        padding: 2rem 4rem 1rem;
    }

    .members-list {
        flex-direction: column;
    }
}

@media(max-width: 500px) {

    .top-banner img {
        left: 250px;
    }

    .slides-container .slide {
        font-size: .75rem;
        width: 250px;
        height: 320px;
    }

    .description h4 {
        display: inline-block;
        width: 80%;
    }

    .footer {
        padding: 5rem 3rem;
    }
}

@media(max-width: 400px) {
    .footer {
        padding: 5rem 1rem;
    }
}