* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    padding: 0;
    font-family: "Times New Roman", Arial;
}

.clearfix::after {
    content: "";
    display: block;
    clear: both;
}

/*--- HEADER ---*/
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #ACDDF4;
    padding-left: 100px;
    padding-right: 100px;
}

.header-container img {
    height: 150px;
    width: auto;
}

.main-navi > li{
    display: inline;
}

.main-navi > li a{
    padding: 15px;
    color: black;
    text-decoration: none;
    font-size: 1.4rem;
    border-radius: 5px;
}

.main-navi > li a:hover{
    background-color: #02345A;
    color: white;
}

.main-navi-mobile-img {
    position: absolute;
    top: 1px;
    right: 80px;
}

.main-navi-mobile-img > img {
    width: 50px;
    height: auto;
}

.main-navi-mobile-list {
    display: none;
    position: absolute;
    right: 0;
    top: 35px;
}

.main-navi-mobile-list ul {
    list-style-type: none;
    background-color: #ACDDF4;
    padding-right: 30px;
}

.main-navi-mobile-list ul li a {
    display: inline-block;
    padding: 5px;
    color: black;
    text-decoration: none;
    font-size: 1.3rem;
    border-radius: 5px;
}

.main-navi-mobile-list ul li a:first-of-type {
    margin-bottom: 15px;
}

.main-navi-mobile-list ul li a:hover {
    background-color: #02345A;
    color: white;
}

.main-navi-mobile:hover > .main-navi-mobile-list {
    display: block;
}

.main-navi-mobile {
    display: none;
}

/*--- FOOTER ---*/
.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #ACDDF4;
    padding-left: 100px;
    padding-right: 100px;
    font-size: 1.2rem;
}

.footer-copy {
    font-weight: bold;
}

.footer-kontakt h4 {
    margin: 0;
    padding-bottom: 5px;
    text-align: center;
}

.footer-kontakt p {
    margin: 0;
    text-align: center;
}

.footer-navi {
    list-style-type: none;
    text-align: center;
    font-size: 1.4rem;
}

.footer-navi > li a {
    padding: 4px;
    text-decoration: none;
    color: black;
}

.footer-navi > li a:hover {
    background-color: #02345A;
    color: white;
    border-radius: 4px;
}

.footer-navi > li:first-of-type {
    margin-bottom: 10px;
}

.footer-navi > li:last-of-type {
    margin-top: 10px;
}

/*--- MAINCONTENT ---*/

#topButton {
    display: none;
    position: fixed;
    bottom: 15px;
    right: 15px;
    z-index: 99;
    border: none;
    outline: none;
    background-color: lightgrey;
    color: black;
    cursor: pointer;
    font-size: 30px;
    border-radius: 4px;
    width: 55px;
    height: 55px;
    margin-left: auto;
    margin-right: auto;    
    padding-top: 9px;
}

#topButton:hover {
    background-color: darkgray;
    color: white;
}

.impressum-maincontainer > h1 {
    text-align: center;
}

.impressum-maincontainer > hr {
    width: 45%;
    background-color: black;
    height: 3px;
}

.impressum-container {
    width: 75%;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    margin-bottom: 40px;
}

.impressum-container > p {
    font-size: 1.1rem;
}

.datenschutz-maincontainer > h1 {
    text-align: center;
}

.datenschutz-maincontainer > hr {
    width: 45%;
    background-color: black;
    height: 3px;
}

.datenschutz-container {
    width: 50%;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    margin-bottom: 40px;
}

.datenschutz-container > p {
    font-size: 1.1rem;
}

.datenschutz-list {
    text-align: left;
}

.index-mainheadline {
    width: 100%;
    height: 5.5rem;
    text-align: center;
    font-size: 1.2rem;
    background-color: lightgrey;
    padding-top: 1.2rem;
}

.index-mainheadline > h1 {
    padding: 0;
    margin: 0;
}

.index-maincontainer {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: stretch;
    background-image: url("../images/CitiesHeroBanner.jpg");
    background-repeat: no-repeat;
    background-position: center center;
    background-attachment: fixed;
    background-size: cover;
}

.hero-container {
    flex-grow: 0;
    flex-shrink: 0;
    width: 20%;
    margin-top: 20px;
    margin-bottom: 20px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.75);
    border: 1px solid black;
    border-radius: 10px;
}

.hero-container > p {
    font-size: 1.3rem;
    line-height: 1.5rem;
}

.index-imagecontainer {
    display: flex;
    width: 100%;
    border-top: 10px solid #ACDDF4;
}

.index-imagecontainer > img {
    display: block;
    width: 33.33%;
    flex-grow: 0;
    flex-shrink: 0;
}

.index-featurecontainer {
    display:flex;
    justify-content: center;
    align-items: center;
    justify-content: space-around;
    width: 100%;
    flex-direction: row;
    background-image: linear-gradient(white 0, white 65%, lightgrey 90%);
}

.index-featuresubcontainer {
    width: 30%;
    flex-grow: 0;
    flex-shrink: 0;
}

.feature-headline {
    /*display: block;*/
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    margin-top: 0;
    margin-bottom: 100px;
}

.feature-number {
    /*display: block;*/
    border: 4px solid grey;
    border-radius: 50%;
    font-size: 4.5rem;
    font-weight: 600;
    text-align: center;
    width: 120px;
    height: 120px;
    padding-top: 15px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 30px;
    margin-bottom: 0;
}

.index-bottomcontainer {
    width: 100%;
    background-color: lightgrey;
    padding-bottom: 40px;
    padding-top: 40px;
}

.index-bottomcontainer > blockquote {
    text-align: center;
    font-size: 1.5rem;
    line-height: 2.1rem;
    padding: 0;
    margin: 0;
}

.index-bottombutton {
    display: flex;
    width: 45%;
    justify-content: space-between;
    margin-left: auto;
    margin-right: auto;
}

.index-bottombutton > a {
    display: block;
    text-decoration: none;
    border: 1px solid white;
    color: white;
    background-color: #02345A;
    font-size: 1.4rem;
    padding: 15px;
    border-radius: 80px;
    margin-top: 30px;
}

.index-bottombutton > a:hover {
    background-color: #ACDDF4;
    border: 1px solid black;
    color: black;
}

.about-maincontainer {
    width: 100%;
}

.about-introsection1 {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80%;
    padding-top: 40px;
    margin-left: auto;
    margin-right: auto;
}

.about-introsection1-img {
    width: 60%;
    text-align: start;
}

.about-introsection1-text {
    width: 30%;
    font-size: 1.2rem;
    line-height: 1.7rem;
}

.about-introsection1-img > img {
    width: 70%;
    border-radius: 20px; 
    box-shadow: 7px 7px 6px 0px #AFAFAF; 
}

.about-introsection2 {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80%;
    padding-top: 70px;
    margin-left: auto;
    margin-right: auto;
}

.about-introsection2-img {
    width: 60%;
    text-align: end;
}

.about-introsection2-text {
    width: 30%;
    font-size: 1.2rem;
    line-height: 1.7rem;
}

.about-introsection2-img > img {
    width: 70%;
    border-radius: 20px;
    box-shadow: 7px 7px 6px 0px #AFAFAF;
}

.about-introsection3 {
    width: 100%;
    padding-top: 90px;
    padding-bottom: 90px;
    margin-top: 70px;
    background-image: url(../images/about3.jpg);
    background-repeat: no-repeat;
    background-position: 0 0;
    background-attachment: fixed;
    background-size: cover;
}

.about-introsection3-content {
    width: 60%;
    margin-left: auto;
    margin-right: auto;
    background-color: rgba(255, 255, 255, 0.85);
    padding: 15px;
}

.about-introsection3-content > h2 {
    text-align: center;
    font-size: 2.1rem;
}

.about-introsection3-content > ul {
    font-size: 1.2rem;
    line-height: 2.1rem;
    list-style-type: "\1F44D";
}

.about-introsection4 {
    display: flex;
    flex-direction: column;
    width: 55%;
    padding-top: 25px;
    padding-bottom: 25px;
    margin-left: auto;
    margin-right: auto;
}

.about-topartikel {
    width: 100%;
}

.about-topartikel > h2 {
    text-align: center;
    font-size: 1.8rem;
}

.about-topartikel > p {
    text-align: center;
    font-size: 1.3rem;
}

.about-bottomflex {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-top: 25px;
    margin-bottom: 25px;
}

.about-bottomartikel {
    width: 30%;
    padding: 15px;
    text-align: center;
    font-size: 1.2rem;
    background-color: lightgrey;
    border: 1px solid black;
    border-radius: 10px;
    box-shadow: 5px 5px 6px 1px #8C8C8C;
}

.dlc-maincontainer {
    width: 100%;
}

.dlc-container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-top: 25px;
    padding-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-grow: 0;
    flex-shrink: 0;
    flex-direction: row;
}

.dlc-container-grey {
    background-color: lightgrey;
}

.dlc-imgcontainer {
    width: 30%;
    padding-left: 30px;
}

.dlc-imgcontainer > img {
    box-shadow: 5px 5px 6px 1px #8C8C8C;
}

.dlc-textcontainer {
    width: 65%;
    padding-right: 30px;
}

.dlc-textcontainer > h2 {
    font-size: 2rem;
    text-align: center;
}

.dlc-textcontainer > p {
    font-size: 1.1rem;
    margin-top: 10px;
    margin-bottom: 10px;
}

.dlc-textcontainer > h4 {
    font-size: 1.2rem;
    margin: 0;
}

.dlc-textcontainer > ul {
    font-size: 1.1rem;
}

.dlc-origin {
    width: 50%;
    margin-left: auto;
    margin-right: auto;
    padding-top: 15px;
    padding-bottom: 15px;
}

.dlc-origin > h3 {
    text-align: center;
    font-size: 1.3rem;
}

.dlc-origin > a {
    text-decoration: underline;
    color: darkblue;
}

.showcase-maincontainer {
    width: 100%;
    background-color: rgba(211, 211, 211, 0.3);
    font-size: 1.2rem;
    line-height: 1.5rem;
}

.showcase-intro-container {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    border-bottom: 3px solid #02345A;
}

.showcase-intro-text {
    width: 40%;
    padding-left: 50px;
    padding-right: 50px;
    padding-top: 45px;
    padding-bottom: 45px;
}

.showcase-intro-text h1 {
    text-align: center;
    font-size: 2.3rem;
}

.showcase-intro-text p {
    font-size: 1.3rem;
    line-height: 1.7rem;
}

.showcase-intro-text a {
    text-decoration: none;
    color: #02345A;
    font-weight: 600;
}

.showcase-intro-text a:hover {
    text-decoration: underline;
}

.showcase-intro-image {
    width: 55%;
    background-image: url(../images/showcases1.jpg);
    background-position: 50% 50%;
    background-repeat: no-repeat;
    background-size: cover;
}

.showcase-continue-container h3 {
    text-align: center;
    text-transform: uppercase;
    font-style: italic;
    font-size: 2.8rem;
    text-shadow: 2px 2px 2px #8C8C8C;
    padding-top: 50px;
    padding-bottom: 50px;
    margin: 0;
}

.showcase-citycontainer {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    border-bottom: 3px solid #02345A;
}

.showcase-city-video {
    width: 55%;
    align-self: center;
}

.showcase-city-description {
    width: 40%;
    align-self: center;
    padding-left: 35px;
    padding-right: 35px;
}

.showcase-city-description h2 {
    font-style: italic;
    font-size: 2.2rem;
    text-shadow: 1px 1px 2px #8C8C8C;
}

.showcase-city-description p {
    font-size: 1.3rem;
}

.showcase-city-youtube {
    border: 1px solid white;
    margin-top: 60px;
    margin-bottom: 60px;
    margin-left: calc(50% - 281px);
}

.city-one {
    background-image:   linear-gradient(rgba(255, 255, 255, 0.418) 0%, rgba(255, 255, 255, 0.418) 100%),
                        url(../images/american-city.jpg);
    background-position: 0 0, 50% 50%;
    background-repeat: no-repeat;
    background-size: cover;
}

.city-two {
    background-image:   linear-gradient(rgba(255, 255, 255, 0.418) 0%, rgba(255, 255, 255, 0.418) 100%),
                        url(../images/oil-empire.jpg);
    background-position: 0 0, 50% 50%;
    background-repeat: no-repeat;
    background-size: cover;    
}

.city-three {
    background-image:   linear-gradient(rgba(255, 255, 255, 0.418) 0%, rgba(255, 255, 255, 0.418) 100%),
                        url(../images/bransdon.jpg);
    background-position: 0 0, 50% 50%;
    background-repeat: no-repeat;
    background-size: cover;    
}

.city-four {
    background-image:   linear-gradient(rgba(255, 255, 255, 0.418) 0%, rgba(255, 255, 255, 0.418) 100%),
                        url(../images/hilltown-valley.jpg);
    background-position: 0 0, 50% 50%;
    background-repeat: no-repeat;
    background-size: cover;    
}

/*--- Responsive ---*/

@media(max-width: 1440px) {
    .dlc-imgcontainer > img {
        max-width: 100%;
    }
    .about-introsection1 {
        width: 100%;
    }
    .about-introsection2 {
        width: 100%;
    }
    .about-introsection3-content {
        width: 85%;
    }
    .about-introsection4 {
        width: 85%;
    }
    .hero-container {
        width: 30%;
    }
}

@media(max-width: 960px) {

/*--- Für Header und Footer ---*/
    .header-container > img {
        width: 120px;
        height: auto;
    }
    /*--- Für DLC ---*/
    .dlc-container {
        flex-direction: column;
    }
    /*--- Für Home ---*/
    .index-featurecontainer {
        flex-wrap: wrap;
    }
    .index-featuresubcontainer {
        width: 60%;
    }
    .feature-headline {
        margin-bottom: 20px;
    }
    .index-bottombutton {
        width: 75%;
    }
    /*--- Für Impressum und Datenschutz ---*/
    .datenschutz-container {
        width: 80%;
    }
    .impressum-container {
        width: 80%;
    }
    /*--- Für Showcases ---*/
    .showcase-city-description h2 {
        line-height: 2.3rem;
    }
    .showcase-city-youtube {
        width: 300px;
        height: auto;
        margin-left: calc(50% - 151px);
    }

}

@media(max-width: 800px) {

    /*--- Für Header und Footer ---*/
    .footer-container {
        flex-direction: column;
        justify-content: center;
    }

    .footer-kontakt {
        display: none;
    }

    .footer-navi {
        display: inline;
        padding: 0;
    }

    .main-navi {
        display: none;
    }

    .main-navi-mobile {
        display: block;
    }
    /*--- Für DLC ---*/
    .dlc-container {
        flex-direction: column;
    }
    /*--- Für About ---*/
    .about-introsection3-content {
        width: 95%;
    }
    .about-introsection4 {
        width: 95%;
    }
    .about-introsection1-img {
        display: none;
        width: 0;
    }
    .about-introsection2-img {
        display: none;
        width: 0;
    }
    .about-introsection1-text {
        width: 95%;
    }
    .about-introsection2-text {
        width: 95%;
    }
    .about-bottomflex {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    .about-bottomartikel {
        width: 60%;
        margin-bottom: 25px;
    }
    /*--- Für Home ---*/
    .index-mainheadline {
        height: 7.5rem;
        padding-bottom: 1.2rem;
    }
    .index-maincontainer {
        flex-wrap: wrap;
    }
    .hero-container {
        width: 60%;
    }
    /*--- Für Impressum und Datenschutz ---*/    
    .datenschutz-container {
        width: 90%;
    }
    .impressum-container {
        width: 90%;
    }
    /*--- Für Showcases ---*/
    .showcase-intro-text h1 {
        line-height: 1.9rem;
    }
}