/* Colors */
:root {
    --blue: rgb(10, 30, 53); /* #0A1E35 */
    --mid-blue: rgb(23, 56, 87); /* #1C3857 */
    --light-blue: rgb(52, 89, 129); /* #679FC0 */
    --green: rgb(0, 70, 5); /* #004605 */
    --orange: rgb(255, 85, 0); /* #FF5500 */
    --brown: rgb(60, 29, 29); /* #3C1D1D */
    --white: rgb(241, 241, 241); /* #F1F1F1 */
    --lightgrey: rgb(227, 227, 227); /* #E3E3E3 */
    --grey: rgb(19, 19, 19); /* #131313 */
    --black: rgb(0, 0, 0); /* #FFFFF */
    --blanc: rgb(0, 0, 0, 0); /* #FFFFF */
}

/* Headline font-family: 'Century Gothic', 'Agnes-Xbold', 'Cathedral Open', 'Arial', 'sans-serif' */
/* Informative font-family: 'Agnes-Xbold', 'Cathedral Open', 'Arial', 'sans-serif' */
/* Casual font-family: 'Segoe UI', 'Century Gothic', 'Agnes-Xbold', 'Cathedral Open', 'Arial', 'sans-serif' */

h1, h2, h3, h4, h5 {
    font-family: 'Century Gothic', 'Agnes-Xbold', 'Arial', 'Cathedral Open', 'sans-serif';
}

h1 {    font-size: 55px }
h2 {    font-size: 30px }
h3 {    font-size: 28px }
h4 {    font-size: 24px }
h5 {    font-size: 20px }
h6 {    font-size: 18px }

body    {
    background-color: var(--grey);
}

details summary::-webkit-details-marker {
    display: none;
}

p {
    font-family: 'Century Gothic', 'Candara', 'Arial', 'Cathedral Open', 'sans-serif';
    font-size: 19px;
    line-height: 35px;
}

a:link      {   text-decoration: none;  }
a:visited   {   color: white;   }

/* Backgrund-color of subsite */

#lightgrey-down {   background-image: linear-gradient(white 50%, rgb(187, 187, 187) 50%, var(--lightgrey) 100%)}
#lightgrey-up   {   background-image: linear-gradient(var(--lightgrey) 0%, rgb(187, 187, 187) 50%, white 0%)}
#black-down     {   background-image: linear-gradient(var(--blue) 0%, var(--grey) 60%)}
#black-up       {   background-image: linear-gradient(var(--grey) 50%, var(--lightgrey) 0%, rgb(187, 187, 187) 50%, var(--lightgrey) 100%)}
#black          {   background-image: linear-gradient(var(--grey) 50%, var(--lightgrey) 0%)}
#black-border   {   border-bottom: 4px solid rgb(0, 0, 0)     }
#blue-down      {   background-image: linear-gradient(white 50%, var(--blue) 0%)}
#blue-up        {   background-image: linear-gradient(var(--blue) 50.2%, white 0%)}
#intro-color    {   background-image: linear-gradient(var(--lightgrey) 50%, var(--blue) 0%);}      

/* remove padding of gallery-grid on index */
#remove-top-padding     {   padding-top: 0}
#remove-bottom-padding  {   padding-bottom: 0}

#no-underline:active {  scale: 87%; }

#font-family-times-new-roman {  
    font-family: 'Times New Roman'; font-weight: bold;
}

#no-underline:hover {
    border-bottom: 3px solid rgba(255, 85, 0, 0);
    scale: 107%;
}

/* Background-Color of grid */

.grid-container {
    background-color: var(--grey);
}

/* Navbar-Mobile */

.header-mobile {
    z-index: 3;
    display: none;
    position: fixed;
    background-color: rgb(10, 30, 53, 70%);
    -webkit-backdrop-filter: saturate(130%) blur(50px);
    backdrop-filter: saturate(130%) blur(50px);
    top: 0;
    right: 0;
    height: 55px;
    width: 100%;
}

.header-mobile img {
    margin: 5px 0 0 20px;
}

.sum-navbar-mobile {
    z-index: 3;
    display: none;
    position: fixed;
    justify-content: center;
    align-items: center;
    font-size: 40px;
    font-family: 'Arial';
    text-decoration: none;
    top: 0;
    right: 0;
    width: 50px;
    height: 55px;
    margin-right: 20px;
    cursor: pointer;
}

.sum-navbar-mobile img {
    margin: 5px 0;
}

.det-navbar-mobile {
    display: none;
    -webkit-position: fixed;
    position: fixed;
    flex-direction: column;
    justify-content: left;
    background-color: rgb(10, 30, 53, 98%);
    top: 0;
    right: 0;
    width: 100%;
    height: 900px;
    padding: 0;
}

.det-navbar-mobile img {
    margin: 5px 0 20px 20px;
}

.det-navbar-mobile li {
    display: inline;
    margin: 0px 0 40px 40px;
}

.det-navbar-mobile a {
    color: var(--lightgrey);
    text-decoration: none;
    border-bottom: 2px solid rgba(255, 85, 0, 0%);
    font-family: 'Century Gothic', 'Agnes-Xbold', 'Cathedral Open', 'Arial', 'sans-serif';
    font-size: 25px;
    max-width: 65px;
}

/* Navbar-Desktop */

.header-desktop {
    z-index: 3;
    display: flex;
    position: fixed;
    justify-content: center;
    top: 0;
    left: 0;
    right: 0;
    max-width: 2560px;
    margin: auto;
}

.navbar-desktop {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgb(10, 30, 53, 0.7);
    box-shadow: 0px 0px 60px -10px var(--mid-blue);
    -webkit-backdrop-filter: saturate(100%) blur(40px);
    backdrop-filter: saturate(130%) blur(50px);
    width: 2560px;
    height: 55px;
}

.navbar-desktop a {
    font-size: 16px;
    font-family: 'Century Gothic', 'Agnes-Xbold', 'Cathedral Open', 'Arial', 'sans-serif';
    border-bottom: 3px solid rgba(255, 85, 0, 0);
    color: rgb(227, 227, 227, 0.8);
    cursor: pointer;
    transition: 0.1s;
}

.navbar-left {
    display: flex;
    flex: 20%;
    justify-content: left;
}

.navbar-left a {
    font-family: 'Segoe UI', 'Bahnschrift';
    border-radius: 5px;
    transition: 0.2s;
}

.navbar-left a:hover {
    text-decoration: none;
    transition: 0.2s;
}

.navbar-left a:active {
    scale: 96%;
}

.navbar-left img {
    border-radius: 5px;
    margin-left: 2px;
}

.navbar-left a:hover .navbar-logo-1 {   visibility: hidden; }
.navbar-left a:hover .navbar-logo-2 {   visibility: visible; }

.navbar-logo-1 {
    display: flex;
    position: relative;
    visibility: visible;
    border-radius: 5px;
    margin: 1px;
}

.navbar-logo-2 {    
    display: flex;
    position: absolute;
    visibility: hidden;
    border-radius: 5px;
    margin: 1px;
}

.navbar-mid     {
    display: flex;
    flex: 45%;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-evenly;
}

.navbar-right   {   
    display: flex;
    flex: 23%; 
    justify-content: right;
    margin-right: 2%;
}

.navbar-right a {   margin: 3%  }

.navbar-mid a:hover, .navbar-right a:hover {
    text-decoration: none;
    color: var(--white);
    border-bottom: 3px solid var(--orange);
}

.navbar-mid a:active, .navbar-right a:active {
    color: var(--lightgrey);
}

#current-mobile     {   border-bottom: 2px solid var(--orange)    }
#current-desktop    {   border-bottom: 3px solid var(--orange)    }

/* Menubar as space for real navbar */

.menubar {
    background-color: var(--grey);
    max-width: 2560px;
    height: 55px;
    margin: auto;
}

/* Content */

.content-frame {
    background-color: var(--grey);
/*  box-shadow: 0px 0px 60px -10px var(--mid-blue); */
    max-width: 2560px;
    margin: auto;
}

.content-item {
    display: flex;
    flex-direction: row;
}

.content-header {
    text-align: center;
    width: 40%;
    padding: 3% 0 0;
    margin: auto;
}

.content-header h1 {
    font-weight: normal;
    color: var(--lightgrey);
    border: 10px var(--mid-blue) solid;
    padding: 1% 5%;
}

/* Content-One */

.content-one {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    background-color: var(--blue);
    max-width: 2560px;
    padding: 2%;
    margin: auto;
}

.content-one-header {
    text-align: center;
    width: 40%;
    padding-top: 1%;
    margin: auto;
}

.content-one-header h1 {
    font-weight: normal;
    color: var(--lightgrey);
    border: 10px var(--mid-blue) solid;
    padding: 1% 5%;
}

.content-one-text {
    flex: 70%;
    text-align: left;
    color: var(--lightgrey);
    padding: 2% 5%;
}

.content-one-text a:link {
    color: var(--lightgrey);
}

.content-one-text a:visited {
    color: var(--lightgrey);
}

/* Pic */

.pic-one-item {
    flex: 30%;
    padding: 2% 5% 2% 5%;
}

.pic-one {
    object-fit: contain;
}

/* Content-Two */

.content-two-text {
    background-color: var(--blue);
    color: var(--lightgrey);
    padding: 2% 14%;
}

/* Flex-Gallery */

.gallery-flex-container {
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    max-width: 2560px;
    padding: 2% 5%;
    margin: auto;
}

.gallery-column {
    display: flex;
    flex: 25%;
    flex-direction: column;
}

.gallery-container-item {
    display: flex;
    object-fit: cover;
    justify-content: center;
    border: 5px rgba(227, 227, 277, 0.1) solid;
    scale: 95%;
    transition: 0.2s;
}

.gallery-container-item:hover {
    scale: 92%;
    border: 5px var(--light-blue) solid;
    transition: 0.2s;
}

.gallery-container-item:hover .gallery-container-pic {
    transition: 0.3s;
}

.gallery-container-item:active {
    scale: 92%;
}

.gallery-container-pic {
    position: relative;
    transition: 0.1s;
    cursor: pointer;
}

.gallery-container-text {
    z-index: 1;
    position: absolute;
    display: flex;
    text-align: left;
    font-family: 'Century Gothic', 'Agnes-Xbold', 'Cathedral Open', 'Arial', 'sans-serif';
    color: rgba(255, 255, 255, 0);
    font-size: 15px;
    width: 100%;
    bottom: 0px;
    padding: 12px 5px 5px 15px;
    cursor: pointer;
    transition: 0.3s;
}
/*
.gallery-container-item:hover .gallery-container-text {
    background-color: rgba(0, 0, 0, 0.36);
    color: var(--lightgrey);
    transition: 0.3s;
}
*/

/* Footer */

.footer {
    display: flex;
    align-items: center;
    background-color: rgb(10, 30, 53, 0.8);
    max-width: 2560px;
    height: 150px;
    margin: auto;
}

.footer-two {
    display: flex;
    align-items: center;
    position: fixed;
    background-color: rgb(10, 30, 53, 0.8);
    left: 0;
    right: 0;
    bottom: 0;
    max-width: 2560px;
    height: 150px;
    margin: auto;
}

.footer-item {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
}

.footer-item a {
    font-size: 19px;
    font-family: 'Century Gothic', 'Agnes-Xbold', 'Cathedral Open', 'Arial', 'sans-serif';
    color: var(--lightgrey);
    border-bottom: 3px solid rgba(255, 85, 0, 0);
    margin: 0 50px 0 50px;
    cursor: pointer;
    transition: 0.1s;
}

.footer-item a:hover {
    color: var(--white);
    border-bottom: 3px solid rgb(255, 85, 0);
    transition: 0.1s;
}

.footer-item a:active {
    color: var(--lightgrey);
}

/* Response */

@media screen and (max-width: 2560px) {
    .navbar-desktop, .intro-one, .gallery-flex-container {
        width: 100%;
    }
    .fullscreen-view {
        top: 1%;
        right: 15%;
        left: 15%;   
        width: 70%;
        height: 98%;
        padding: 1%;
    }
}

/* Tablets */
@media screen and (max-width: 900px) {
    .header-mobile, .sum-navbar-mobile, .det-navbar-mobile {
        -webkit-display: inline-flex;
        display: inline-flex;
    }
    .header-desktop {
        display: none;
    }
    .menubar {
        height: 50px;
    }
    .content-item {
        flex-direction: column;
    }
    .content-header {
        padding-top: 8%;
        width: 87%;
        margin: auto;
    }
    .pic-one-item {
        width: 400px;
        margin: auto;
    }
    .content-two-text {
        padding: 10%;
    }
    .gallery-flex-container {
        padding: 8% 1%;
    }
    .gallery-column {
        flex: 100%;
    }
    .gallery-container-item {
        box-shadow: 0px 0px 10px -2px var(--grey);
        scale: 89%;
    }
    .gallery-container-item:hover {
        scale: 89%;
    }
    .gallery-container-item:hover .gallery-container-text {
        display: none;
    }
    .footer a, .footer-two a {
        padding: 2%;
        margin: auto;
    }
    .footer-item a:hover {
        border-bottom: 3px solid rgb(255, 85, 0, 0);
    }    
}

/* Mobile Phones */
@media screen and (max-width: 600px) {
    .gallery-container {
        display: flex;
        flex-direction: column;
    }
    .gallery-container-pic {
        border: none;
    }
    .content-one-text {
        padding: 5%;
        margin: auto;
    }
    .pic-one-item {
        width: 80%;
        margin: auto;
    }
    .footer-two {
        position: relative;
    }
}