/* --- Grundlayout für Referenz-Karten --- */
.referenz-card {
    border: none;
    border-radius: 0;
    overflow: hidden;
    position: relative;
    cursor: pointer;
  
    /* transform/box-shadow beim Hover entfernt */
}

/* --- Bildbereich quadratisch --- */
.referenz-card .card-img-top {
    position: relative;
    overflow: hidden;
    width: 100%;
    padding-top: 100%; /* 1:1 Verhältnis */
}

.referenz-card .card-img-top img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

/* Bild zoomt beim Hover, Kachel selbst bleibt gleich groß */
.referenz-card:hover .card-img-top img {
    transform: scale(1.08);
}

/* --- Overlay --- */
.referenz-card .card-img-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    opacity: 0.5;
    transition: opacity 0.5s ease;
}

.referenz-card:hover .card-img-overlay {
    opacity: 1;
}

/* --- Titel mittig --- */
.card-title-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    z-index: 10;
    text-align: left;
    transition: opacity 0.4s ease;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

/* Titel ausblenden beim Hover */
.referenz-card:hover .card-title-wrapper {
    opacity: 0;
}

/* --- Copytext mittig, linksbündig --- */
.card-copy-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    text-align: left;
    color: inherit;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 10;
}

.referenz-card:hover .card-copy-wrapper {
    opacity: 1;
}

/* --- Copytext / Firmenname --- */
.card-copy-wrapper .card-text {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

/* --- Badges / Tags --- */
.card-copy-wrapper .badge {
    font-weight: 400;
    padding: 0.35em 0.55em;
    background-color: rgba(255,255,255,0.2);
    color: inherit;
    margin-right: 0.25rem;
    display: inline-block;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.referenz-card:hover .badge {
    transform: translateY(-2px);
    background-color: rgba(255,255,255,0.4);
}

/* --- Placeholder falls kein Bild --- */
.placeholder-glow {
    background-color: #e0e0e0 !important;
    border-radius: 0;
    width: 100%;
    /*
    padding-top: 100%;
    */
}

/* --- Dynamische Hintergrundfarben --- */
.referenz-bg-orange { background-color: #ff7a00; color: #fff; }
.referenz-bg-blue { background-color: #005bbb; color: #fff; }
.referenz-bg-green { background-color: #00965e; color: #fff; }
.referenz-bg-red { background-color: #d62828; color: #fff; }
.referenz-bg-purple { background-color: #6a4c93; color: #fff; }
.referenz-bg-darkgrey { background-color: #333333; color: #fff; }
.referenz-bg-lightgrey { background-color: #e0e0e0; color: #000; }
.referenz-bg-yellow { background-color: #ffdd00; color: #000; }
.referenz-bg-teal { background-color: #008080; color: #fff; }
.referenz-bg-white { background-color: #ffffff; color: #333; }
.referenz-bg-lightgray { background-color: #f5f5f5; color: #333; }
.referenz-bg-darkgray { background-color: #555555; color: #fff; }
.referenz-bg-primary { background-color: #0d6efd; color: #fff; }
.referenz-bg-secondary { background-color: #6c757d; color: #fff; }
.referenz-bg-dark { background-color: #212529; color: #fff; }

/* --- Text-Only Kacheln (ohne Bild und ohne Link) --- */
.referenz-card.referenz-text-only {
    cursor: default;
}

.referenz-card.referenz-text-only .card-body-text-only {
    position: relative;
    width: 100%;
    padding: 2rem;
    padding-top: calc(100% - 4rem); /* Bleibt quadratisch */
    min-height: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Alternative: Quadratischer Container für Text-Only */
.referenz-card.referenz-text-only .card-body-text-only {
    aspect-ratio: 1 / 1;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.referenz-card.referenz-text-only .card-title {
    color: inherit;
    margin-bottom: 1rem;
}

.referenz-card.referenz-text-only .card-copy-wrapper {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    width: 100%;
    opacity: 1;
}

.referenz-card.referenz-text-only .badge {
    background-color: rgba(0,0,0,0.1);
}

/* Link-Styling für normale Kacheln */
.referenz-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.referenz-link:hover {
    text-decoration: none;
    color: inherit;
}

/* --- Responsive: kleinere Kacheln auf Mobilgeräten --- */
@media (max-width: 768px) {
    .referenz-card .card-img-top {
        padding-top: 100%; /* 1:1 bleibt */
    }
    
    .referenz-card.referenz-text-only .card-body-text-only {
        padding: 1rem;
    }
}