/* =========================================================
   Referenz Karte – kss/referenz-karte
   ========================================================= */

.kss-referenz-karte {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.kss-referenz-karte:hover,
.kss-referenz-karte:focus-visible {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 10px 36px rgba(0, 0, 0, 0.28);
    outline: none;
}

/* Hintergrundbild */
.kss-referenz-karte__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.4s ease;
}

.kss-referenz-karte:hover .kss-referenz-karte__bg {
    transform: scale(1.04);
}

/* Platzhalter im Editor */
.kss-referenz-karte__bg--placeholder {
    background: #d0d0d0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    color: #555;
}

/* Gradient-Overlay */
.kss-referenz-karte__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.72) 0%,
        rgba(0, 0, 0, 0.28) 45%,
        rgba(0, 0, 0, 0) 100%
    );
    pointer-events: none;
}

/* Text-Inhalt */
.kss-referenz-karte__content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.25rem 1.25rem 1.1rem;
    z-index: 1;
}

.kss-referenz-karte__firmenname {
    margin: 0;
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
    letter-spacing: 0.01em;
}

.kss-referenz-karte__ergebnis {
    margin: 0.2rem 0 0;
    font-size: clamp(0.78rem, 1.5vw, 0.875rem);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.4;
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .kss-referenz-karte {
        aspect-ratio: 3 / 2;
        border-radius: 12px;
    }
}