/* ============================================================
   Referenz-Galerie – Metallbau Langenhan
   Entwickelt von Webamax Digitalagentur
   v2.0 – UX-Überarbeitung
   ============================================================ */

/* ─── Filter Bar ─── */
.rg-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-start;
    margin-bottom: 32px;
    padding-bottom: 0;
}

.rg-referenz-galerie .rg-filter-btn {
    position: relative;
    background: transparent;
    border: none;
    border-radius: 0 !important;
    color: #8a95a3;
    padding: 12px 20px 14px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: color 0.3s ease, background 0.3s ease;
    font-family: inherit;
    outline: none;
    margin: 0;
    box-shadow: none;
    -webkit-appearance: none;
    appearance: none;
    line-height: 1;
    overflow: hidden;
}

/* Unterstrich-Linie – schiebt sich von links rein */
.rg-referenz-galerie .rg-filter-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #003B6F;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Hover: dezenter Hintergrund + Text wird dunkel + Linie fährt rein */
.rg-referenz-galerie .rg-filter-btn:hover {
    color: #003B6F;
    background: rgba(0, 59, 111, 0.04);
}

.rg-referenz-galerie .rg-filter-btn:hover::after {
    transform: scaleX(1);
}

/* Linie fährt nach rechts raus beim Verlassen */
.rg-referenz-galerie .rg-filter-btn:not(:hover):not(.is-active)::after {
    transform-origin: right center;
}

.rg-referenz-galerie .rg-filter-btn:focus-visible {
    box-shadow: inset 0 0 0 2px rgba(0, 59, 111, 0.2);
}

/* Aktiv: volle Linie, dunkler Text, leichter Hintergrund */
.rg-referenz-galerie .rg-filter-btn.is-active {
    color: #003B6F;
    background: rgba(0, 59, 111, 0.06);
}

.rg-referenz-galerie .rg-filter-btn.is-active::after {
    transform: scaleX(1);
    transform-origin: left center;
}

/* Zähler-Badge hinter dem Text (optional, per JS befüllt) */
.rg-referenz-galerie .rg-filter-btn .rg-count {
    display: inline-block;
    margin-left: 6px;
    font-size: 10px;
    font-weight: 600;
    color: #aab4c0;
    transition: color 0.3s ease;
}

.rg-referenz-galerie .rg-filter-btn:hover .rg-count,
.rg-referenz-galerie .rg-filter-btn.is-active .rg-count {
    color: rgba(0, 59, 111, 0.5);
}

/* ─── Grid ─── */
.rg-grid {
    display: grid;
    gap: 16px;
}

.rg-cols-2 { grid-template-columns: repeat(2, 1fr); }
.rg-cols-3 { grid-template-columns: repeat(3, 1fr); }
.rg-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .rg-cols-3,
    .rg-cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .rg-cols-2,
    .rg-cols-3,
    .rg-cols-4 { grid-template-columns: 1fr; }

    .rg-referenz-galerie .rg-filter-btn {
        padding: 10px 14px;
        font-size: 11px;
    }
}

/* ─── Item ─── */
.rg-item {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: 0;
    background: #111;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.rg-item.is-hidden {
    display: none;
}

/* Bild – absolut positioniert damit es den aspect-ratio Container voll ausfüllt */
/* !important nötig weil Elementor global `img { height: auto; max-width: 100% }` setzt */
.rg-referenz-galerie .rg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    max-width: none !important;
    display: block;
    object-fit: cover;
    object-position: center center;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.rg-item:hover .rg-image {
    transform: scale(1.05);
}

/* Platzhalter (Editor / kein Bild) */
.rg-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #002244 0%, #003B6F 50%, #004e92 100%);
}

/* ─── Overlay ─── */
.rg-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 20px;
    background: rgba(0, 59, 111, 0.70);
    opacity: 0;
    transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    will-change: opacity;
}

.rg-item:hover .rg-overlay {
    opacity: 1;
}

/* ─── Titel ─── */
.rg-title {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    position: relative;
}

.rg-title::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: #fff;
    margin-top: 6px;
    transition: width 0.35s 0.1s cubic-bezier(0.4, 0, 0.2, 1);
}

.rg-item:hover .rg-title::after {
    width: 40px;
}

/* ────────────────────────────────────
   Animation: slide-up
   ──────────────────────────────────── */
[data-animation="slide-up"] .rg-overlay {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animation="slide-up"] .rg-item:hover .rg-overlay {
    opacity: 1;
    transform: translateY(0);
}

/* ────────────────────────────────────
   Animation: fade
   ──────────────────────────────────── */
[data-animation="fade"] .rg-overlay {
    opacity: 0;
    transition: opacity 0.4s ease;
}

[data-animation="fade"] .rg-item:hover .rg-overlay {
    opacity: 1;
}

/* ────────────────────────────────────
   Animation: zoom
   ──────────────────────────────────── */
[data-animation="zoom"] .rg-overlay {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animation="zoom"] .rg-item:hover .rg-overlay {
    opacity: 1;
    transform: scale(1);
}

[data-animation="zoom"] .rg-item:hover .rg-image {
    transform: scale(1.1);
}

/* ─── Filter Transition ─── */
.rg-item {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.rg-item.rg-fade-out {
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.rg-item.rg-fade-in {
    opacity: 0;
    transform: translateY(10px);
}

.rg-item.is-hidden {
    display: none;
}


/* ═══════════════════════════════════════
   LIGHTBOX
   ═══════════════════════════════════════ */
.rg-lightbox {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.rg-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

/* Backdrop */
.rg-lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 12, 24, 0.94);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

/* Content Container */
.rg-lightbox-content {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Inner (für Einblend-Animation) */
.rg-lightbox-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: scale(0.92) translateY(20px);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.rg-lightbox.is-open .rg-lightbox-inner {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* Bild – natürliche Größe mit max-Limits, kein contain/cover nötig */
.rg-lightbox-image {
    display: block;
    max-width: 85vw;
    max-height: 75vh;
    width: auto;
    height: auto;
    transition: opacity 0.35s ease;
}

.rg-lightbox-image.is-loading {
    opacity: 0.2;
}

/* Weiches Überblenden beim Bildwechsel */
.rg-lightbox-image.is-switching {
    opacity: 0;
    transition: opacity 0.15s ease;
}

/* Caption + Counter */
.rg-lightbox-footer {
    width: 100%;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 16px 0 0;
}

.rg-lightbox-caption {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.4;
}

.rg-lightbox-counter {
    color: rgba(255, 255, 255, 0.45);
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.02em;
    white-space: nowrap;
    flex-shrink: 0;
    margin-left: 16px;
}

/* Close – fixiert oben rechts im Viewport */
.rg-referenz-galerie .rg-lightbox-close {
    position: fixed;
    top: 20px;
    right: 24px;
    z-index: 100000;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.6) !important;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
    padding: 0;
    margin: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    text-decoration: none;
    outline: none;
    box-shadow: none;
    -webkit-appearance: none;
    appearance: none;
}

.rg-referenz-galerie .rg-lightbox-close:hover,
.rg-referenz-galerie .rg-lightbox-close:focus,
.rg-referenz-galerie .rg-lightbox-close:active,
.rg-referenz-galerie .rg-lightbox-close:visited {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.15);
    text-decoration: none;
    outline: none;
    box-shadow: none;
}

/* Nav Arrows – fixiert im Viewport */
.rg-referenz-galerie .rg-lightbox-prev,
.rg-referenz-galerie .rg-lightbox-next {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.7) !important;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
    z-index: 100000;
    outline: none;
    padding: 0;
    margin: 0;
    box-shadow: none;
    -webkit-appearance: none;
    appearance: none;
}

.rg-referenz-galerie .rg-lightbox-prev:hover,
.rg-referenz-galerie .rg-lightbox-next:hover,
.rg-referenz-galerie .rg-lightbox-prev:focus,
.rg-referenz-galerie .rg-lightbox-next:focus,
.rg-referenz-galerie .rg-lightbox-prev:active,
.rg-referenz-galerie .rg-lightbox-next:active {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: none;
}

.rg-lightbox-prev {
    left: 24px;
}

.rg-lightbox-next {
    right: 24px;
}

@media (max-width: 768px) {
    .rg-lightbox-image {
        max-width: 94vw;
        max-height: 65vh;
    }

    .rg-lightbox-prev {
        left: 12px;
    }

    .rg-lightbox-next {
        right: 12px;
    }

    .rg-lightbox-close {
        top: 12px;
        right: 12px;
    }

    .rg-lightbox-footer {
        padding: 12px 12px 0;
        max-width: 94vw;
    }

    .rg-lightbox-caption {
        font-size: 12px;
    }

    .rg-lightbox-counter {
        font-size: 11px;
    }
}