/**
 * Occasions page — Sinh Nhật, Kỷ Niệm & Cầu Hôn
 * Layout: sticky info column + 2×2 image grid, lightbox tương tác.
 */

.fk-occ {
    padding: 60px 20px;
    max-width: 1240px;
    margin: 0 auto;
}

.fk-occ-block {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 48px;
    padding: 60px 0;
    border-bottom: 1px solid rgba(201, 169, 110, 0.15);
}

.fk-occ-block:last-child {
    border-bottom: 0;
}

.fk-occ-info {
    align-self: start;
    position: sticky;
    top: 100px;
}

.fk-occ-info .fk-occ-eyebrow {
    color: var(--gold, #c9a96e);
    font-size: 13px;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.fk-occ-info h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.15;
    color: var(--text, #f5f1ed);
    margin: 0 0 18px;
}

.fk-occ-info p {
    color: var(--text-muted, #b8b0a8);
    font-size: 15px;
    line-height: 1.7;
    margin: 0 0 14px;
}

/* CTA dùng class .cta-outline chuẩn của theme, chỉ giữ layout hook */
.fk-occ-info .fk-occ-cta { margin-top: 16px; }

.fk-occ-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.fk-occ-item {
    aspect-ratio: 4/3;
    overflow: hidden;
    cursor: zoom-in;
    background: var(--dark-warm, #231c15);
    position: relative;
}

.fk-occ-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.fk-occ-item:hover img {
    transform: scale(1.05);
}

/* Mobile */
@media (max-width: 900px) {
    .fk-occ-block {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 40px 0;
    }
    .fk-occ-info {
        position: static;
        top: auto;
    }
    .fk-occ-grid {
        gap: 8px;
    }
}

/* ==== Lightbox ==== */
#fkOccLb {
    position: fixed;
    inset: 0;
    background: rgba(15, 12, 9, 0.95);
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

#fkOccLb.active {
    display: flex;
}

#fkOccLb .fk-lb-stage {
    position: relative;
    max-width: 1200px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

#fkOccLb .fk-lb-img {
    max-width: 100%;
    max-height: 78vh;
    object-fit: contain;
    display: block;
}

#fkOccLb .fk-lb-caption {
    color: var(--text-muted, #b8b0a8);
    text-align: center;
    margin-top: 14px;
    font-size: 14px;
    letter-spacing: 1px;
}

#fkOccLb .fk-lb-counter {
    color: var(--gold, #c9a96e);
    font-size: 12px;
    letter-spacing: 2px;
    margin-top: 6px;
}

#fkOccLb .fk-lb-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(201, 169, 110, 0.15);
    border: 1px solid var(--gold, #c9a96e);
    color: var(--gold, #c9a96e);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    user-select: none;
}

#fkOccLb .fk-lb-btn:hover {
    background: var(--gold, #c9a96e);
    color: var(--dark, #0f0c09);
}

#fkOccLb .fk-lb-prev { left: 20px; }
#fkOccLb .fk-lb-next { right: 20px; }

#fkOccLb .fk-lb-close {
    top: 20px;
    right: 20px;
    transform: none;
}

@media (max-width: 700px) {
    #fkOccLb .fk-lb-btn { width: 40px; height: 40px; font-size: 16px; }
    #fkOccLb .fk-lb-prev { left: 8px; }
    #fkOccLb .fk-lb-next { right: 8px; }
}