:root {
    --color_black: #000000;
    --color_darkblue: #1D2B53;
    --color_darkpurple: #7E2553;
    --color_darkgreen: #008751;
    --color_darkgrey: #5F574F;
    --color_lightgrey: #C2C3C7;
    --color_white: #FFFFFF;
    --color_red: #FF004D;
    --color_orange: #FFA300;
    --color_yellow: #FFEC27;
    --color_green: #00E436;
    --color_blue: #29ADFF;
    --color_lavender: #83769C;
    --color_pink: #FF77A8;
    --color_lightpeach: #FFCCAA;
}

@font-face {
    font-family: "PressStart2P";
    src: url("fonts/press_start_2p.ttf") format("truetype");
}

body{
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    /* font-family: 'Press Start 2P', cursive; */
    font-size: 16px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    box-sizing: border-box;
    margin: 0 auto;
    padding: 0;
    color: var(--color_black);
}

:focus,
:focus-visible {
    outline: 0;
    border: 0;
}

h1 {
    font-size: 1.5rem;
    font-weight: 200;
    padding: 0;
    margin: 0;
    line-height: 1.5rem;
    color: var(--color_black);
}
h2 {
    font-size: 1.25rem;
    font-weight: 700;
    padding: 0;
    margin: 0;
    line-height: 1.5rem;
    color: var(--color_black);
    padding: 1.5rem 0.75rem 0.75rem 0.75rem;
}
h3 {
    font-size: 1rem;
    font-weight: 700;
    padding: 0;
    margin: 0;
    line-height: 1.5rem;
    color: var(--color_black);
    padding: 1.5rem 0.75rem 0.75rem 0.75rem;
}
p {
    font-size: 1rem;
    font-weight: 400;
    padding: 0;
    margin: 0;
    line-height: 1.5rem;
    color: var(--color_black);
    padding: 0 0.75rem 0.75rem 0.75rem;
}
small {
    padding: 0;
    margin: 0;
    line-height: 1.5rem;
    color: var(--color_black);
    padding: 0 0.75rem 0.75rem 0.75rem;
}

a {
    text-decoration:  none;
    color: var(--color_blue);
    font-size: 1rem;
    margin: 0 0 0 0.375rem;
}
a:first-child {
    margin: 0 auto 0 0;
}

ul {
    margin: 0;
    padding: 0;
}
li {
    list-style: inside;
    margin: 0;
    padding: 0 0.875rem 0.75rem 0.875rem;
}
li:focus-visible {
    /*
    outline: 24px solid var(--color_white)!important;
    outline-offset: -23px!important;   
    z-index: 5!important; 
    filter: invert(100%) grayscale(100%) blur(2px) !important;
    filter: blur(2px) !important;*/
    outline: 20px dashed var(--color_white) !important;
    outline-offset: -19px !important;
    z-index: 5 !important;
}

ul.image_container, .image_container li {
    list-style: none;
    margin: 0;
    padding: 0;
}

header {
    width: 100%;
    background-color: var(--color_white);
    box-shadow: 0 6px 6px #00000010;
    position: fixed;
    top: 0;
    z-index: 10;
}
.header_container {
    height: 32px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: .75rem;
    padding: 0 0.75rem;;
}

main {
    width: 100%;
}
.main_container {
    margin: 2rem 0 0 0;
}

footer {}
.footer_container {}

.contact_icon_mobile {
    display: none;
}

.contact_container_desktop {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

ul.image_container {
    margin: 0;
    flex: 1;
    width: 100%;
    display: grid;
    gap: 0;
    /* Der Browser erzeugt so viele Spalten wie hinein passen, abhängig von der verfügbaren Breite. */
    /* Überzählige leere Spalten verschwinden automatisch (anders als bei auto-fill). */
    grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
    /* Die Spalte darf maximal 1240px breit werden. */
    /* Aber nie breiter als 100% des Containers, falls der Container kleiner ist. */
}

.image_box {
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}
.image_box video,
.image_box figure {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
}
.image_box video {
    background-color: var(--color_black);
}
.image_box figcaption {
    display: none;
}
.image_box dialog figcaption {
    display: block;
}
.image_box dialog figcaption {
    position: absolute;
    bottom: 0;
    padding: 0 0.375rem;
    font-size: 0.75rem;
    max-width: 100vw;
    text-align: center;
    color: var(--color_black);
    background-color: #FFFFFF90;
}
.image_box figure img {
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}
.image_box:hover figure img,
.image_box:hover .cube_container {
    transform: scale(1.25);
}
.image_box:hover dialog figure img,
.image_box:hover dialog .cube_container {
    transform: scale(1);
}
.image_box dialog figure {

}
.image_box dialog figure img {
    display: block;
    max-height: 80vh;
    max-width: 100vw;
}

.image_box dialog {
    display: inline-block;
    box-sizing: border-box;
    width: fit-content;
    min-width: max-content;
    max-width: 1000px;
    height: fit-content;
    min-height: max-content;
    max-height: 100%;
    margin: auto;
    padding: 0;
    border: 0;
    background-color: transparent;
    box-shadow: 6px 6px 6px #00000050;
}
.image_box dialog::backdrop {
    background-color: #FFFFFFEE;
}

.image_box dialog .close_button {
    position: absolute;
    display: inline;
    right: 0;
    top: 0;
    width: 24px;
    height: 24px;
    border: 0;
    cursor: pointer;
    color: #000000;
    background-color: #FFFFFF90;
}


/*/////////////////////////////////////////////////////////////////////////////////// ja_fake_tile.js START */
.js_fake_tile {
    font-family: "PressStart2P";
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-size: 2rem;
    color: var(--color_white);
    
    animation-name: color-fade;
    animation-duration: 1s;
    animation-timing-function: step-end; /* Beschleunigen/Abbremsen */
    animation-iteration-count: infinite; /* Unendlich wiederholen */
    background-color: var(--color_blue); 
}

@keyframes color-fade {
    0% {
        background-color: var(--color_red);
    }
    25% {
        background-color: var(--color_blue);
    }
    50% {
        background-color: var(--color_blue);
    }
    75% {
        background-color: var(--color_blue);
    }
    100% {
        background-color: var(--color_blue);
    }
}

/*/////////////////////////////////////////////////////////////////////////////////// ja_fake_tile.js ENDE */

/*/////////////////////////////////////////////////////////////////////////////////// ja_snow.js START */
.js_snow {
    position: relative;
    top: 0;
    left: 0;
    width: 480px;
    height: 480px;
    overflow: hidden;
    background-color: var(--color_black);
}

.snowflake {
    position: absolute;
    top: -25px;
    background-color: var(--color_white);
    pointer-events: none;
    transform: translateZ(0);
    will-change: transform;
    animation: animation_snow linear infinite;
}

@keyframes animation_snow {
    to { transform: translateY(480px); }
}

/*/////////////////////////////////////////////////////////////////////////////////// ja_snow.js ENDE */

/*/////////////////////////////////////////////////////////////////////////////////// js_guess_number.js START */
.js_guess_number {
    display: grid;
    grid-template-columns: 50% 50%;
    grid-template-rows: 50% 50%;
    box-sizing: border-box;
    text-align: center;
    margin: 0;
    font-size: 0.875rem;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--color_blue);
}
.js_guess_number div {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.js_guess_number input[type="text"],
.js_guess_number button {
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    text-align: center;
    border: 0;
    margin: 0;
}
.wrong_right_container,
.js_guess_number .input_number_container {
    background-color: var(--color_white);
}
.js_guess_number input[type="text"],
.js_guess_number button {
    color: var(--color_blue);
    background-color: var(--color_white);
}
.js_guess_number .wrongOrRight,
.js_guess_number .highOrLow {
    color: var(--color_red);
}
/*/////////////////////////////////////////////////////////////////////////////////// js_guess_number.js ENDE */

/*/////////////////////////////////////////////////////////////////////////////////// cube START */
.cube_container {
    width: 100%;
    height: 100%;
    background-color: var(--color_green);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.5s;
}
dialog .cube_container {
    max-width: 500px;
    width: 100vw;
    height: auto;
    aspect-ratio: 1/1;
}

.cube {
    width: 100px;
    height: 100px;
    transform-style:preserve-3d;
    animation: spin 20s linear infinite;
}
dialog .cube {
    width: 200px;
    height: 200px;
}

.cube div {
    position:absolute;
    width: 100px;
    height: 100px;
}
dialog .cube div {
    position:absolute;
    width: 200px;
    height: 200px;
}

.f1 { 
    transform:rotateY(0deg) translateZ(50px); 
    background-color: var(--color_lightpeach);
}
dialog .f1 { 
    transform:rotateY(0deg) translateZ(100px); 
    background-color: var(--color_lightpeach);
}
.f2 { 
    transform:rotateY(90deg) translateZ(50px); 
    background-color: var(--color_blue);
}
dialog .f2 { 
    transform:rotateY(90deg) translateZ(100px); 
    background-color: var(--color_blue);
}
.f3 { 
    transform:rotateY(180deg) translateZ(50px); 
    background-color: var(--color_green);      
}
dialog .f3 { 
    transform:rotateY(180deg) translateZ(100px); 
    background-color: var(--color_green);      
}
.f4 { 
    transform:rotateY(-90deg) translateZ(50px); 
    background-color: var(--color_pink);
}
dialog .f4 { 
    transform:rotateY(-90deg) translateZ(100px); 
    background-color: var(--color_pink);
}
.f5 { 
    transform:rotateX(90deg) translateZ(50px); 
    background-color: var(--color_orange);
}
dialog .f5 { 
    transform:rotateX(90deg) translateZ(100px); 
    background-color: var(--color_orange);
}
.f6 { 
    transform:rotateX(-90deg) translateZ(50px); 
    background-color: var(--color_yellow);
}
dialog .f6 { 
    transform:rotateX(-90deg) translateZ(100px); 
    background-color: var(--color_yellow);
}

@keyframes spin {
    0% { transform:rotateX(0) rotateY(0); }
    100% { transform:rotateX(360deg) rotateY(360deg); }
}
/*/////////////////////////////////////////////////////////////////////////////////// cube ENDE */


@media (max-width: 768px) {
    .contact_icon_mobile {
        display: block;
    }   
    .contact_label_mobile {
        display: none;
    }
}

.overflow_hidden {
    overflow: hidden;
}
.overflow_auto {
    overflow: auto;
}

.display_none {
    display: none!important;
}
.display_block {
    display: block!important;
}
.display_inline {
    display: inline!important;
}
.display_inline_block {
    display: inline-block!important;
}