*{
    font-family: 'Arial', sans-serif;
    text-decoration: none;
}
a {
    color: #ffffff;
    text-transform: uppercase;
}

body {
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

#header {
    color: #ffffff;
    position: fixed;
    background-color: rgba(49, 130, 189, 0.7);
    display: flex;
    backdrop-filter: blur(5px);
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 10vh;
}

#logo-img {
    margin-left: 5px;
    margin-top: 5px;
    height: 8vh;
}

.full-img {
    width: 100%;
}

.topbar {
    display: flex;
    align-items: center;
    margin-right: 30px;
}

.sidebar {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 250px;
    backdrop-filter: blur(10px);
    background-color: rgba(68, 69, 84, 0.8);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    box-shadow: -10px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 99;
    padding-left: 10px;
    a {
        width: 100%;
    }
    .dropdown-content {
        position: static;
    }
}

.nav-element {
    padding: 15px 15px 15px 15px;
    position: relative;
}

.nav-element:hover  {
    color: #000000;
}

/* Menu Icon */
#menu-icon {
    width: 6vh;
    height: 6vh;
    display: none;
    flex-direction: column;
    justify-content: space-around;
    cursor: pointer;
    z-index: 9999;
}

#menu-icon:hover {
    .menu-icon-bar1, .menu-icon-bar2, .menu-icon-bar3 {
        background-color: #000000; 
    }
}

.menu-icon-bar1, .menu-icon-bar2, .menu-icon-bar3 {
    background-color: white;
    height: 12%;
    transition: 1s;
}

.change .menu-icon-bar1 {
    transform: translate(0, 11px) rotate(-45deg);
}

.change .menu-icon-bar2 {
    opacity: 0;
}

.change .menu-icon-bar3 {
  transform: translate(0, -11px) rotate(45deg);
}

.dropdown:hover {
    background-color: rgba(68, 69, 84, 1);
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: rgba(68, 69, 84, 1);
    z-index: 1;
    margin: 0;
    left: 0;
    width: 100%;
    text-align: center;
}

/*
.dropdown-content-sidebar {
    position: static;
}
*/

.dropdown-content a {
    color: white;
    text-decoration: none;
    display: block;
    padding: 15px;
}

.dropdown-content a:hover {
    color: #000000;
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* Background.html styles */
#content-background {
    display: flex;
    background-color: #eeeeee;
    flex-direction: column;
    box-shadow: -10px 0 10px rgba(0, 0, 0, 0.1);
}

article {
    width: 70%;
    background-color: white;
    margin: auto;
    padding-top: 10vh;
    padding-left: 25px;
    padding-right: 25px;
}

#footer {
    text-align: center;
    padding: 20px;
    background-color: #eeeeee;
}

/* Background Page Content */
.development-goals {
    display: flex;
    margin-bottom: 20px;
}

.development-goals img {
    width: 200px;
    height: 200px;
}

.development-goals p {
    margin: 0 0 0 20px;
}

@media (max-width: 700px) {
    .development-goals {
        flex-direction: column;
    }
    .development-goals p {
        margin-left: 0px;
    }
}

.research-question {
    display: flex;
    img {
        width: 450px;
        margin-left: 25px;
    }

}

@media (max-width: 1200px) {
    .research-question {
        flex-direction: column;
        img {
            margin-left: 0px;
        }
    }
}

.blocksatz {
    p {
        text-align: justify;
    }
}

/* changing Navigation bar for devices with lower resolution */
@media (max-width: 1010px) {
    #menu-icon {
        display: flex;
    }

    .hide {
        display: none;
    }
}

@media (max-width: 600px) {
   .sidebar {
       width: 100%;
    }
}

/* Home Content */
#content-home {
    top: 10vh;
    position: fixed;
    height: 90vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    p {
        color: white;
        font-weight: bold;
        font-size: 6vw;
        text-shadow: 1px 1px 2px black;
    }
    
    a {
        margin-bottom: 25vh;
        font-size: 25px;
        background-color: rgba(255, 255, 255, 0.8);
        padding: 10px 20px 10px 20px;

        border-radius: 20px;
        text-decoration: none;
        color: black;

    }
    a:hover {
        background-color: #3182bd;
        color: white;
        opacity: 0.8;
    } 
}

.active {
    font-weight: bold;
    color: #000000
}

/* Performance Hint */
#disclaimer-pop-up-content {
    position: fixed;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(68, 69, 84, 1);
    top: 50%;
    left: 50%;
    border-radius: 5px;
    width: 40vw;
    padding: 10px;
    transform: translate(-50%,-50%);
    border: solid #3182bd 1px;
}

.blur {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(68, 69, 84, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

#lets_start {
    font-size: 1vw;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 10px 20px 10px 20px;

    border-radius: 20px;
    text-decoration: none;
    color: black;
    cursor: pointer;
}

/* Contact Page */
#about-us-information {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: flex-start;
    gap: 10px;
}

.about-us-container {
    width: 300px;
    display: flex;
    flex-flow: column nowrap;
    align-items: left;
    margin-bottom: 50px;
    img {
        width: 200px;
    }
    a {
        text-transform: unset;
        color: #08519c;
    }
}

/* Map Page */
iframe {
    width: 100%;
    height: 800px;
    border:none;
}

.figures-div {
    display: flex;
    gap: 20px;
}

figure {
    margin: 0px;
}

.small-image {
    width: calc(50% - 10px);
    margin-right: 10px;
    margin-top: 10px;
    
}

@media (max-width: 1100px) {
    .figures-div {
        display: block;
    }
    .small-image {
        width: 100%;
    }
}