/* =============================================================
   Referenzen Grid – referenzen-grid.css
   ALLE Regeln strikt unter .referenzen-grid-wrap gescoped
   ============================================================= */

/* --- Wrapper braucht position:relative für absolute Kinder -- */
.referenzen-grid-wrap {
    position: relative;
}

/* --- Logo-Grid ---------------------------------------------- */
.referenzen-grid-wrap .ref-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin: 0;
    padding: 0;
    list-style: none;
}

@media (max-width: 1100px) {
    .referenzen-grid-wrap .ref-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* --- Einzelnes Grid-Item ------------------------------------ */
.referenzen-grid-wrap .ref-item {
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
    position: relative;
}

/* --- Logo-Karte (Button) ------------------------------------ */
.referenzen-grid-wrap .ref-logo-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 16 / 7;
    background: #ffffff;
    border: 1px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    padding: 24px;
    overflow: hidden;
    transition: background 0.2s, box-shadow 0.2s;
    text-align: center;
    box-sizing: border-box;
    text-decoration: none;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
    z-index: 1;
}

.referenzen-grid-wrap .ref-logo-btn:hover {
    background: #efefef;
    border-color: #f5f5f5;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
    color: inherit;
    text-decoration: none;
}

.referenzen-grid-wrap .ref-logo-btn[aria-expanded="true"] {
    border-color: #e0e0e0;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom-color: transparent;
    box-shadow: none;
    z-index: 102;
}

/* --- Logo-Bild: Basiswerte ----------------------------------- */
.referenzen-grid-wrap .ref-logo-img {
    object-fit: contain;
    display: block;
}

/* --- Logo-Grössen nach Seitenverhältnis ----------------------
   --logo-scale ist ein Multiplikator (Standard 1), der pro
   Eintrag über das ACF-Feld "logo_skalierung" gesetzt werden
   kann, z.B. 1.2 für 20% grösser, 0.8 für kleiner.
   ---------------------------------------------------------- */

/* Breite/längliche Logos (Seitenverhältnis >= 1.8) */
.referenzen-grid-wrap .ref-logo-btn.ref-logo--wide .ref-logo-img {
    max-width: calc(75% * var(--logo-scale, 1));
    max-height: calc(90px * var(--logo-scale, 1));
}

/* Quadratische / runde Logos (Seitenverhältnis <= 1.2) */
.referenzen-grid-wrap .ref-logo-btn.ref-logo--square .ref-logo-img {
    max-width: calc(50% * var(--logo-scale, 1));
    max-height: calc(130px * var(--logo-scale, 1));
}

/* Normale Logos (dazwischen) */
.referenzen-grid-wrap .ref-logo-btn.ref-logo--normal .ref-logo-img {
    max-width: calc(65% * var(--logo-scale, 1));
    max-height: calc(110px * var(--logo-scale, 1));
}

/* -------------------------------------------------------------
   Mobile/Tablet (1 Spalte): die Logo-Box wird durch das feste
   aspect-ratio bei schmalerer Breite automatisch niedriger.
   Dadurch reicht der Platz für breite Logos nicht aus, auch
   wenn nur max-height erhöht wird. Lösung: Box-Verhältnis und
   Padding anpassen, damit mehr vertikaler Platz entsteht.
   ------------------------------------------------------------- */
@media (max-width: 1100px) {
    .referenzen-grid-wrap .ref-logo-btn {
        aspect-ratio: 16 / 9;
        padding: 16px;
    }

    .referenzen-grid-wrap .ref-logo-btn.ref-logo--wide .ref-logo-img {
        max-height: calc(90px * var(--logo-scale, 1));
    }
}

@media (max-width: 768px) {
    .referenzen-grid-wrap .ref-logo-btn {
        aspect-ratio: 16 / 10;
    }

    .referenzen-grid-wrap .ref-logo-btn.ref-logo--wide .ref-logo-img {
        max-height: calc(130px * var(--logo-scale, 1));
    }

    /* Quadratische/runde und normale Logos: etwas kleiner,
       damit sie im Vergleich zu breiten Logos nicht zu
       dominant wirken */
    .referenzen-grid-wrap .ref-logo-btn.ref-logo--square .ref-logo-img {
        max-width: calc(45% * var(--logo-scale, 1));
        max-height: calc(105px * var(--logo-scale, 1));
    }

    .referenzen-grid-wrap .ref-logo-btn.ref-logo--normal .ref-logo-img {
        max-width: calc(55% * var(--logo-scale, 1));
        max-height: calc(90px * var(--logo-scale, 1));
    }
}

.referenzen-grid-wrap .ref-logo-placeholder {
    font-weight: 700;
    color: #555;
}

/* Plus-Icon unten rechts */
.referenzen-grid-wrap .ref-plus-icon {
    position: absolute;
    bottom: 10px;
    right: 12px;
    line-height: 0;
    pointer-events: none;
    transition: transform 0.2s;
}

.referenzen-grid-wrap .ref-logo-btn[aria-expanded="true"] .ref-plus-icon {
    transform: rotate(45deg);
}

/* --- Backdrop (Abdunkelung) --------------------------------- */
.ref-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 100;
    animation: refBackdropIn 0.2s ease;
}

.ref-backdrop.ref-backdrop--active {
    display: block;
}

@keyframes refBackdropIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* --- Schwebendes Detail-Panel (Desktop) -------------------- */
.referenzen-grid-wrap .ref-detail {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-top: none;
    border-radius: 0 0 10px 10px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    z-index: 101;
    animation: refSlideIn 0.25s ease;
}

.referenzen-grid-wrap .ref-detail.ref-detail--open {
    display: block;
}

@keyframes refSlideIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.referenzen-grid-wrap .ref-detail-inner {
    padding: 24px;
}

.referenzen-grid-wrap .ref-detail-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
}

.referenzen-grid-wrap .ref-detail-title {
    margin: 0;
    padding: 0;
    font-weight: 700;
    flex: 1 1 auto;
    line-height: 1.3;
    border: none;
    background: none;
}

/* Beschreibungstext */
.referenzen-grid-wrap .ref-detail-text {
    line-height: 1.7;
    margin-bottom: 20px;
}

.referenzen-grid-wrap .ref-detail-text p:last-child {
    margin-bottom: 0;
}

/* Bildergalerie */
.referenzen-grid-wrap .ref-detail-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
    margin-top: 4px;
}

.referenzen-grid-wrap .ref-detail-gallery a {
    display: block;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid #e0e0e0;
    text-decoration: none;
}

.referenzen-grid-wrap .ref-detail-gallery img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    display: block;
    transition: transform 0.2s;
    margin: 0;
}

.referenzen-grid-wrap .ref-detail-gallery a:hover img {
    transform: scale(1.04);
}

/* --- Mobile: Fullscreen Overlay ab 768px ------------------- */
@media (max-width: 768px) {
    .referenzen-grid-wrap .ref-detail {
        position: fixed;
        inset: 0;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border-radius: 0;
        border: none;
        z-index: 200;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .referenzen-grid-wrap .ref-detail-inner {
        padding: 24px 20px;
        min-height: 100%;
    }

    /* Schliessen-Button nur auf Mobile sichtbar */
    .referenzen-grid-wrap .ref-mobile-close {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        margin-bottom: 16px;
    }

    .referenzen-grid-wrap .ref-mobile-close-btn {
        background: none;
        border: none;
        font-size: 1.4rem;
        cursor: pointer;
        color: #d41474;
        padding: 4px 8px;
        line-height: 1;
    }
}

@media (min-width: 769px) {
    .referenzen-grid-wrap .ref-mobile-close {
        display: none;
    }
}