*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

body {
    margin: 0;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    overflow-wrap: anywhere;
}

.public-sponsors-shell {
    width: min(calc(100% - 2rem), 1100px);
    margin: 0 auto;
    padding: 2rem 0 4rem;
}

.public-sponsors-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.public-sponsors-header {
    margin-bottom: 2rem;
}

.public-sponsors-header h1,
.public-sponsors-section h2,
.public-sponsor-card h3 {
    margin-top: 0;
}

.public-sponsors-section {
    margin-top: 2.5rem;
}

.public-sponsors-past {
    padding-top: 1.5rem;
    border-top: 1px solid currentColor;
}

.public-sponsors-list {
    display: grid;
    gap: 1.5rem;
}

.public-sponsor-card {
    display: grid;
    grid-template-columns: minmax(180px, 280px) minmax(0, 1fr);
    gap: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid currentColor;
}

.public-sponsor-card-image img {
    width: 100%;
}

.public-sponsor-card-content > :last-child,
.public-sponsor-detail > :last-child {
    margin-bottom: 0;
}

.public-sponsor-date {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 700;
}

.public-sponsor-summary {
    font-size: 1.1rem;
}

.public-sponsor-featured-image {
    margin: 0 0 2rem;
}

.public-sponsor-featured-image img {
    max-height: 720px;
    object-fit: contain;
}

.public-sponsor-featured-image figcaption {
    display: grid;
    gap: 0.25rem;
    margin-top: 0.5rem;
}

.public-sponsor-body {
    margin-bottom: 2.5rem;
    overflow-wrap: anywhere;
}

.public-sponsor-downloads {
    display: grid;
    gap: 0.75rem;
    padding-left: 1.25rem;
}

.public-sponsor-downloads li span {
    display: block;
    font-size: 0.9rem;
}

.public-sponsors-backlink {
    margin-top: 3rem;
}

.public-sponsors-home-list {
    display: grid;
    gap: 1rem;
}

.public-sponsors-home-item {
    padding-bottom: 1rem;
    border-bottom: 1px solid currentColor;
}

.public-sponsors-home-item .public-sponsor-card-image {
    display: block;
    width: min(100%, 280px);
    margin-bottom: 1rem;
}

.public-sponsors-home-item > :last-child {
    margin-bottom: 0;
}

@media (max-width: 700px) {
    .public-sponsor-card {
        grid-template-columns: 1fr;
    }

    .public-sponsor-card-image {
        max-width: 480px;
    }
}

.public-sponsor-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 140px));
    align-items: start;
    justify-content: start;
    gap: 0.75rem;
}

.public-sponsor-gallery-item {
    width: 100%;
    max-width: 140px;
    min-width: 0;
    margin: 0;
}

.public-sponsor-gallery-link {
    display: block;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    border: 1px solid currentColor;
    border-radius: 0.35rem;
    background: #f4f4f4;
}

.public-sponsor-gallery-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 160ms ease;
}

.public-sponsor-gallery-link:hover img,
.public-sponsor-gallery-link:focus-visible img {
    transform: scale(1.025);
}

.public-sponsor-gallery-item figcaption {
    font-size: 0.9rem;
}

.public-sponsor-lightbox[hidden] {
    display: none;
}

.public-sponsor-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: 1.25rem;
    background: rgba(0, 0, 0, 0.78);
}

.public-sponsor-lightbox-panel {
    position: relative;
    width: min(94vw, 1200px);
    max-height: 92vh;
    padding: 2.75rem 1rem 1rem;
    border-radius: 0.5rem;
    background: #fff;
    overflow: auto;
}

.public-sponsor-lightbox-close {
    position: absolute;
    top: 0.45rem;
    right: 0.6rem;
    min-width: 2.25rem;
    min-height: 2.25rem;
    border: 0;
    background: transparent;
    font: inherit;
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
}

.public-sponsor-lightbox-figure {
    margin: 0;
}

.public-sponsor-lightbox-figure img {
    width: auto;
    max-width: 100%;
    max-height: 72vh;
    margin: 0 auto;
    object-fit: contain;
}

.public-sponsor-lightbox-caption {
    display: grid;
    gap: 0.25rem;
    margin-top: 0.75rem;
}

.public-sponsor-lightbox-caption[hidden] {
    display: none;
}

.public-sponsor-lightbox-open {
    overflow: hidden;
}

.public-sponsor-visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 700px) {
    .public-sponsor-gallery {
        grid-template-columns: repeat(auto-fill, minmax(92px, 120px));
        justify-content: start;
        gap: 0.6rem;
    }

    .public-sponsor-gallery-item {
        max-width: 120px;
    }

    .public-sponsor-lightbox {
        padding: 0.5rem;
    }

    .public-sponsor-lightbox-panel {
        width: 100%;
        max-height: 96vh;
    }

    .public-sponsor-lightbox-figure img {
        max-height: 76vh;
    }
}

.public-sponsor-card--compact {
    grid-template-columns: 72px minmax(0, 1fr);
    align-items: center;
    gap: 1rem;
}

.public-sponsor-card--compact .public-sponsor-card-image {
    width: 72px;
    max-width: 72px;
}

.public-sponsor-card--compact .public-sponsor-card-image img {
    width: 72px;
    height: 72px;
    object-fit: contain;
}

.public-sponsor-card-image--zoom {
    cursor: zoom-in;
}

@media (max-width: 700px) {
    .public-sponsor-card--compact {
        grid-template-columns: 60px minmax(0, 1fr);
    }

    .public-sponsor-card--compact .public-sponsor-card-image,
    .public-sponsor-card--compact .public-sponsor-card-image img {
        width: 60px;
        max-width: 60px;
        height: 60px;
    }
}

/* Schritt 0.9.0-14: hervorgehobene Einträge getrennt von den HTML-Sponsorlisten */
.public-sponsors-highlighted {
    margin-top: 2.75rem;
}

.public-sponsors-highlighted > h2,
.public-sponsors-section > h3 {
    margin-top: 0;
}

.public-sponsors-highlighted .public-sponsors-section {
    margin-top: 1.75rem;
}

/* Schritt 0.9.1-05aa:
   Redaktionelle Fördervereinsboxen im bestätigten öffentlichen Boxstandard. */
.public-sponsors-shell .public-sponsor-intro-row .public-flexible-box {
    border: 0;
    border-bottom: 1px solid var(--public-site-red);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.public-sponsors-shell .public-sponsor-intro-row .public-flexible-box--visual-row-continuation {
    border-left: 1px solid var(--public-site-red);
}

@media (max-width: 720px) {
    .public-sponsors-shell .public-sponsor-intro-row .public-flexible-box--visual-row-continuation {
        border-left: 0;
    }
}