/* =========================================================
   OPG Kostešić — Galerija (masonry)
   - Mobile: 2 stupca
   - Tablet: 3 stupca
   - Desktop: 4 stupca
   - Masonry preko CSS columns (bez JS-a, bez layout shifta)
   ========================================================= */

.opg-gallery {
    position: relative;
    background: var(--opg-cream, #f9f4f0);
    color: var(--opg-ink, #5a3733);
    font-family: var(--opg-font-body, 'Open Sans', system-ui, sans-serif);
    padding-block: 56px;
    overflow: hidden;
}
@media (min-width: 1024px) {
    .opg-gallery { padding-block: 90px; }
}

/* Decorativna grančica na desnom rubu (samo desktop ≥1024px) */
.opg-gallery__deco-right {
    display: none;
}
@media (min-width: 1024px) {
    .opg-gallery__deco-right {
        display: block;
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 160px;
        height: auto;
        z-index: 1;
        pointer-events: none;
        user-select: none;
    }
}
@media (min-width: 1280px) {
    .opg-gallery__deco-right {
        width: 180px;
    }
}
@media (min-width: 1536px) {
    .opg-gallery__deco-right {
        width: 200px;
    }
}

.opg-gallery__container {
    width: 100%;
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: clamp(20px, 4vw, 32px);
}

/* =========================================================
   Header
   ========================================================= */
.opg-gallery__header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 36px;
}
@media (min-width: 1024px) {
    .opg-gallery__header { margin-bottom: 48px; }
}

.opg-gallery__eyebrow {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--opg-brand-dark, #eb6d2f);
    margin: 0 0 12px;
}

.opg-gallery__heading {
    font-family: var(--opg-font-heading, 'Signika Negative', system-ui, sans-serif);
    font-size: clamp(28px, 4.2vw, 42px);
    font-weight: 700;
    text-transform: uppercase;
    line-height: 1.15;
    letter-spacing: -0.005em;
    color: var(--opg-ink, #5a3733);
    margin: 0 0 12px;
}

.opg-gallery__heading-bar {
    display: block;
    width: 60px;
    height: 3px;
    background: var(--opg-brand-dark, #eb6d2f);
    border-radius: 2px;
    margin: 0 auto 16px;
}

.opg-gallery__lead {
    font-size: 15px;
    line-height: 1.65;
    color: var(--opg-ink-soft, #8b6a63);
    margin: 0;
}

/* =========================================================
   Masonry grid
   ========================================================= */
.opg-gallery__grid {
    list-style: none;
    margin: 0;
    padding: 0;
    column-count: 2;
    column-gap: 10px;
}
@media (min-width: 768px) {
    .opg-gallery__grid {
        column-count: 3;
        column-gap: 14px;
    }
}
@media (min-width: 1024px) {
    .opg-gallery__grid {
        column-count: 4;
        column-gap: 16px;
    }
}

/* =========================================================
   Preview varijanta — BENTO grid s 6 slika
   - Mobile (<768): 2-col masonry-like (CSS columns override-an na grid)
   - Tablet/desktop (≥768): bento layout 4×3 s featured tile + wide panorama
   - Featured (1. slika) zauzima 2×2 cells gore-lijevo
   - Slike 2-5 ispunjavaju kvadrante desno-gore
   - 6. slika je široka panorama na dnu (4 cols)
   ========================================================= */
.opg-gallery__grid--preview {
    column-count: unset;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

@media (min-width: 768px) {
    .opg-gallery__grid--preview {
        grid-template-columns: repeat(4, 1fr);
        /* grid-auto-rows umjesto fixed template — redovi se kreiraju po potrebi.
           Sprječava prazne redove ako ima manje slika nego što layout očekuje. */
        grid-auto-rows: minmax(170px, 1fr);
        grid-auto-flow: dense;
        gap: 14px;
    }
    /* Featured — span 2 cols × 2 rows (gore-lijevo) */
    .opg-gallery__grid--preview > .opg-gallery__item:nth-child(1) {
        grid-column: 1 / 3;
        grid-row: 1 / 3;
    }
    /* Slika 6 — wide panorama na dnu, span svih 4 cols (samo ako je ZADNJA) */
    .opg-gallery__grid--preview > .opg-gallery__item:nth-child(6):last-child {
        grid-column: 1 / -1;
    }
}

@media (min-width: 1024px) {
    .opg-gallery__grid--preview {
        grid-auto-rows: minmax(200px, 1fr);
        gap: 16px;
    }
}

/* Slike u bento grid ćelijama moraju ispuniti cijeli prostor */
.opg-gallery__grid--preview .opg-gallery__item {
    margin: 0;
    height: 100%;
}
.opg-gallery__grid--preview .opg-gallery__link {
    height: 100%;
}
.opg-gallery__grid--preview .opg-gallery__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.opg-gallery__item {
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
    page-break-inside: avoid;
    margin: 0 0 10px;
    display: block;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(90, 55, 51, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
@media (min-width: 768px) {
    .opg-gallery__item { margin-bottom: 14px; }
}
@media (min-width: 1024px) {
    .opg-gallery__item { margin-bottom: 16px; }
}

.opg-gallery__item:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(90, 55, 51, 0.16);
}

.opg-gallery__link {
    display: block;
    width: 100%;
    overflow: hidden;
    position: relative;
}
.opg-gallery__link::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(90, 55, 51, 0);
    transition: background 0.3s ease;
    pointer-events: none;
}
.opg-gallery__item:hover .opg-gallery__link::after {
    background: rgba(90, 55, 51, 0.08);
}

.opg-gallery__img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}
.opg-gallery__item:hover .opg-gallery__img {
    transform: scale(1.04);
}

/* =========================================================
   Empty state
   ========================================================= */
.opg-gallery__empty {
    text-align: center;
    color: var(--opg-ink-soft, #8b6a63);
    font-size: 14px;
    padding: 48px 16px;
    background: rgba(90, 55, 51, 0.04);
    border: 2px dashed rgba(90, 55, 51, 0.18);
    border-radius: 8px;
}

/* =========================================================
   CTA gumb (samo na preview)
   ========================================================= */
.opg-gallery__cta {
    text-align: center;
    margin-top: 32px;
}
@media (min-width: 1024px) {
    .opg-gallery__cta { margin-top: 48px; }
}

.opg-gallery__cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--opg-brand-dark, #eb6d2f);
    color: #fff;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 999px;
    box-shadow: 0 4px 14px rgba(90, 55, 51, 0.18);
    transition: background 0.25s ease, transform 0.15s ease, box-shadow 0.25s ease;
}
.opg-gallery__cta-btn::after { content: "→"; font-size: 15px; }
.opg-gallery__cta-btn:hover,
.opg-gallery__cta-btn:focus-visible {
    background: var(--opg-ink, #5a3733);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(90, 55, 51, 0.24);
    outline: none;
}

@media (prefers-reduced-motion: reduce) {
    .opg-gallery__item,
    .opg-gallery__img,
    .opg-gallery__link::after,
    .opg-gallery__cta-btn { transition: none; }
}