/* Referenzen-Uebersicht: Karten mit Screenshot, Branche und Link. */

.ref-section {
    padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.ref-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.35rem;
}

.ref-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 18px;
    border: 1px solid var(--color-gray);
    background: var(--color-dark-gray);
    color: inherit;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.ref-card__main {
    display: flex;
    flex-direction: column;
    flex: 1;
    color: inherit;
    text-decoration: none;
}

.ref-card:hover,
.ref-card:focus-within {
    border-color: var(--color-gold);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.ref-card__main:focus-visible,
.ref-card__study:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 3px;
}

.ref-card__frame {
    display: block;
    background: var(--color-gray);
}

.ref-card img {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.ref-card__body {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    padding: 1.05rem 1.15rem 1.2rem;
}

.ref-card__meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ref-card__tag,
.ref-card__badge {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 600;
}

.ref-card__tag {
    color: var(--color-gold-dark);
}

.ref-card__badge {
    color: var(--color-text-light);
    background: var(--color-gold-glow);
    border-radius: 999px;
    padding: 0.15rem 0.5rem;
    letter-spacing: 0.08em;
}

.ref-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-light);
    line-height: 1.3;
}

.ref-card__place,
.ref-card__text {
    color: var(--color-text-dark);
    line-height: 1.55;
}

.ref-card__place {
    font-size: 0.82rem;
}

.ref-card__text {
    font-size: 0.92rem;
    color: var(--color-text);
    margin-top: 0.2rem;
}

.ref-card__cta {
    margin-top: 0.55rem;
    color: var(--color-gold-dark);
    font-weight: 600;
    font-size: 0.9rem;
}

.ref-card__cta::after {
    content: " →";
}

.ref-card__study {
    display: inline-block;
    margin: -0.35rem 1.15rem 1.15rem;
    color: var(--color-text-dark);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
}

.ref-card__study:hover,
.ref-card__study:focus-visible {
    color: var(--color-gold-dark);
}

[data-theme="dark"] .ref-card__tag,
[data-theme="dark"] .ref-card__cta,
[data-theme="dark"] .ref-card__study:hover,
[data-theme="dark"] .ref-card__study:focus-visible {
    color: var(--color-gold);
}

@media (min-width: 768px) {
    .ref-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .ref-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ref-card {
        transition: none;
    }

    .ref-card:hover,
    .ref-card:focus-within {
        transform: none;
    }
}