@font-face {
    font-family: 'Quicksand';
    font-style: normal;
    font-weight: 300 700;
    font-display: swap;
    src: url('Quicksand.woff2');
}

body {
    --content-width: 950px;
    /* scheme dependent */
    --font-color: #333;
    --background-color: #FFF;
    --font-color-2: #003e61;
    --background-color-2: #e3f8ff;
    --shadow: 0px 0px 4px #A0A0A0;
    /* universal */
    --color1: #19b5f1;
    --color2: #bfdf14;
    --color3: #dd4a18;
    --header-bg-color1: #003e61;
    --header-bg-color2: #003e61;
    --footer-bg-color: #003e61;
    --footer-link-color: var(--color1);
    --link: var(--header-bg-color1);
    --button-color: var(--color3);
}

@media (prefers-color-scheme: dark) {
    body {
        --background-color: #241f31;
        --background-color-2: #1c1825;
        --font-color: #EEE;
        --font-color-2: var(--color1);
        --link: var(--color1);
        --shadow: 0px 0px 4px #272626;
    }
}

body {
    font-family: 'Quicksand', sans-serif;
    font-size: 22px;
    font-weight: 450;
    background-color: var(--background-color);
    color: var(--font-color);
    margin: 0;
    min-width: 360px;
    /* force footer to bottom */
    min-height: 100vh;
    display: grid;
    grid-template-rows: auto 1fr auto;
    grid-template-columns: 100%;
}

p {
    text-align: justify;
    hyphens: auto;
}

sub {
    line-height: 0;
}

div.content {
    max-width: var(--content-width);
    margin: auto;
    padding: 0 20px;
}

a,
a:visited {
    color: var(--link);
}

a:hover {
    color: var(--color1);
}

a.quelle {
    text-decoration: none;
    float: right;
    margin-top: 10px;
    margin-left: 10px;
}

/* HEADER */
header {
    background: linear-gradient(var(--header-bg-color1), var(--header-bg-color2));
    color: white;
    padding: 0;
    box-shadow: var(--shadow);
    padding-bottom: 110px;
}

nav.top-nav {
    background-color: rgba(0, 0, 0, 0.15);
    margin-bottom: 70px;
}

.top-nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
}

.top-nav li {
    display: contents;
}

.top-nav a {
    display: inline-block;
    color: inherit;
    text-decoration: none;
    line-height: 55px;
    height: 55px;
    font-weight: 600;
    padding: 0 25px;
}

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

    nav.top-nav {
        margin-bottom: 30px;
    }
}

.top-nav a:hover,
.top-nav a:active {
    background-color: rgba(255, 255, 255, 0.15);
}

.facebook-icon {
    background: url('facebook.svg');
    background-size: 30px !important;
}

.content.header {
    display: flex;
    flex-wrap: wrap;
}

a.header-logo {
    background-image: url('auto.png');
    background-repeat: no-repeat;
    background-size: 230px;
    width: 260px;
    height: 200px;
    background-position: bottom right 40px;
    position: relative;
    bottom: -15px;
    flex-grow: 1;
    display: none;
}

header h1,
header h1 a,
header h1 a:visited {
    color: inherit;
    font-size: 70px;
    font-weight: 400;
    margin: 0;
    line-height: 1em;
}

@media (max-width: 600px) {
    header h1 a {
        font-size: 60px;
    }
}

header h2 {
    margin: 0;
    font-weight: 350;
}

@media (max-width: 600px) {

    header h1,
    header h2 {
        text-align: center;
    }
}

/* BOXES */
.stats-top {
    display: grid;
    grid-template-columns: 1fr repeat(3, calc(var(--content-width) / 3)) 1fr;
    gap: 0;
    clip-path: ellipse(110% 170% at 55% 170%);
    margin-top: -65px;
}

.bottom-bow {
    background-color: var(--background-color);
    clip-path: ellipse(111% 162px at 62.84% 174px);
    margin-top: -40px;
    height: 50px;
}

.boxes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.box {
    border-radius: 20px;
    padding: 20px;
}

.stats-color {
    color: white;
    background-color: var(--bg-color);
}

.stats-top .stats-content {
    padding: 60px 20px 60px;
}

@supports (color: color-mix(in hsl, green, transparent 75%)) {
    .stats-color {
        --bg-color-light: color-mix(in hsl, var(--bg-color), white 10%);
        --bg-color-dark: color-mix(in hsl, var(--bg-color), black 10%);
        background: linear-gradient(var(--bg-color-light), var(--bg-color-dark));
    }
}

.stats-content * {
    margin: 0;
    padding: 0;
    text-align: center;
}

.stats-content h3 {
    font-size: 30px;
    line-height: 40px;
    min-height: 40px;
    padding: 5px;
}

.stats-content p {
    font-weight: 300;
    font-size: 50px;
}

.stats-1-bow {
    clip-path: ellipse(111% 217% at -12% 123%);
}

.bg-color-1 {
    --bg-color: var(--color1);
}

.bg-color-2 {
    --bg-color: var(--color2);
}

.bg-color-3 {
    --bg-color: var(--color3);
}

.bg-color-4 {
    --bg-color: var(--header-bg-color1);
}

.stats-3-bow {
    clip-path: ellipse(73.5% 217% at 74.50% 101.10%);
}

@media (max-width: 950px) {
    .stats-top {
        grid-template-columns: 1fr;
        clip-path: none;
    }

    .stats-top:first-child,
    .stats-top:last-child {
        display: none;
    }

    .stats-1-bow,
    .stats-3-bow,
    .bottom-bow {
        clip-path: none;
    }

    .stats-top .stats-content {
        padding: 20px;
    }

    .header {
        justify-content: center;
    }
}

.icon {
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    filter: invert(1);
}

.bus-icon {
    background-image: url('bus.svg');
}

.fahrrad-icon {
    background-image: url('fahrrad.svg');
}

/* CONTENT */
h2 {
    font-size: 28px;
    font-weight: 600;
    margin-top: 40px;
}

p.button {
    text-align: center;
}

a.button,
button {
    font-size: inherit;
    border: none;
    display: inline-block;
    background-color: var(--button-color);
    color: white;
    border-radius: 50px;
    padding: 20px 50px;
    text-decoration: none;
    font-weight: 700;
}

a.button:hover,
a.button:focus,
a.button:active,
button:hover,
button:focus,
button:active {
    filter: brightness(1.1);
}

a.button:active,
button {
    position: relative;
    top: 1px;
}

.x {
    background-color: var(--background-color-2);
    margin: 45px 0;
    padding: 2px 0 40px;
}

.x h2 {
    font-size: 45px;
    color: var(--font-color-2);
    margin-bottom: 20px;
}

.fotos {
    position: relative;
    height: 300px;
    clear: both;
    margin-top: 60px;
    margin-bottom: 60px;
}

.fotos img {
    border-radius: 20px;
    display: block;
    padding: 1%;
    background-color: var(--color1);
    box-shadow: #00000050 2px 2px 4px;
    transition: scale 200ms ease-out;
}

.fotos img:hover {
    z-index: 10;
    scale: 120%;
}

img.foto-1 {
    position: relative;
    max-width: 320px;
    transform: rotate(10deg);
    top: 30px
}

img.foto-2 {
    transform: rotate(-5deg);
    z-index: 3;
    max-width: 350px;
    position: absolute;
    left: 15%;
    top: 20px;
    background-color: var(--color2);
}

img.foto-3 {
    transform: rotate(5deg);
    z-index: 2;
    max-width: 320px;
    position: absolute;
    right: 20%;
    top: 20px;
    background-color: var(--color3);
}

img.foto-4 {
    transform: rotate(-3deg);
    z-index: 1;
    max-width: 340px;
    position: absolute;
    right: 0;
    top: 20px;
    background-color: var(--header-bg-color1);
}

@media (max-width: 800px) {
    .fotos {
        height: 370px;
    }

    img.foto-1 {
        top: 120px;
    }

    img.foto-2 {
        top: 140px;
        max-width: 300px;
    }

    img.foto-3 {
        max-width: 270px;
        z-index: 3;
    }

    img.foto-4 {
        top: 50px;
    }
}

@media (max-width: 500px) {

    img.foto-1,
    img.foto-4 {
        display: none;
    }
}

.scroll {
    overflow: auto;
    width: 100%;
}

table.gruppe {
    margin: auto;
}

@media (max-width: 600px) {
    table.gruppe {
        font-size: 0.8em;
    }
}

.gruppe th,
.gruppe td {
    vertical-align: top;
    padding: 2px 20px;
    text-align: left;
    hyphens: auto;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}

@media (max-width: 600px) {
    .scroll {
        padding-bottom: 20px;
    }

    .gruppe th,
    .gruppe td {
        padding: 2px 10px;
        max-width: 170px;
    }
}

.gruppe tr:not(:nth-child(1)):not(:nth-child(2)):not(:nth-child(3)):not(:nth-child(4)):not(:nth-child(5)):not(:nth-child(6)) {
    display: none;
}

#alle-gruppen-anzeigen {
    display: none;
}

#alle-gruppen-anzeigen:checked~.scroll .gruppe tr {
    display: table-row;
}

#alle-gruppen-anzeigen:checked~.einblenden,
#alle-gruppen-anzeigen:not(:checked)~.ausblenden {
    display: none;
}

#alle-gruppen-anzeigen:not(checked)~.einblenden,
#alle-gruppen-anzeigen:checked~.ausblenden {
    display: block;
    width: fit-content;
    margin: auto;
    padding: 20px;
    cursor: pointer;
}

/* Details */
details {
    width: 90%;
    margin: 24px auto;
    border-radius: 5px;
    clear: both;
    --left-space: 20px;
}

summary {
    font-weight: 600;
    display: block;
    padding: 6px 0;
    padding-left: var(--left-space);
    position: relative;
    cursor: pointer;
    user-select: none;
}

summary:hover {
    color: var(--color1);
}

summary:before {
    content: '';
    border-width: 7px;
    border-style: solid;
    border-color: transparent transparent transparent currentColor;
    position: absolute;
    top: 13px;
    left: 0;
    transform: rotate(0);
    transform-origin: .2rem 50%;
    transition: .25s transform ease;
}

details[open]>summary:before {
    transform: rotate(90deg);
}

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

details p {
    margin: 0 var(--left-space);
}

/* FOOTER */
ul.logos {
    list-style: none;
}

.logos li {
    display: contents;
}

.logos a {
    background-color: white;
    display: inline-block;
    padding: 5px 10px;
    border-radius: 5px;
    margin: 0 3px;
}

.logos a:hover,
.logos a:focus,
.logos a:active {
    filter: brightness(0.8);
}

.logos a:active {
    position: relative;
    top: 1px;
}

.logos img {
    display: block;
}

footer {
    background-color: var(--footer-bg-color);
    color: white;
    font-weight: bold;
    font-size: 0.85em;
    margin-top: 70px;
    padding: 40px 0;
}

footer .content {
    text-align: center;
}

footer p {
    margin: 0;
    padding: 20px;
    text-align: center;
}

footer p a,
footer p a:visited {
    color: var(--footer-link-color);
}

/* FORMS */
label {
    display: block;
    font-size: 0.85em;
    color: var(--font-color-2);
    font-weight: bold;
}

input,
select,
textarea {
    font-size: inherit;
    font-family: inherit;
    color: inherit;
    padding: 9px 9px;
    border-radius: 8px;
    border: none;
    background-color: var(--background-color-2);
    margin-top: 6px;
    width: 100%;
    max-width: 350px;
    box-sizing: border-box;
}

input[type="number"] {
    min-width: 50px;
    width: auto;
}

textarea {
    min-height: 85px;
}