/* ========== ПОРТФОЛІО ========== */
.portfolio-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ========== ФІЛЬТРИ ========== */
.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 30px;
    padding: 10px 0 15px;
    border-bottom: 1px solid #eee;
}
.portfolio-filters button {
    background: transparent !important;
    border: none !important;
    padding: 8px 20px !important;
    cursor: pointer;
    font-size: 15px !important;
    font-weight: 500 !important;
    color: #888 !important;
    transition: all 0.3s ease;
    position: relative;
    font-family: inherit;
}
.portfolio-filters button:hover {
    color: #111 !important;
}
.portfolio-filters button.active {
    color: #111 !important;
    font-weight: 700 !important;
}
.portfolio-filters button.active::after {
    content: '' !important;
    position: absolute !important;
    bottom: -2px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: 28px !important;
    height: 3px !important;
    background: #ff9800 !important;
    border-radius: 3px !important;
}
.portfolio-filters button:first-child.active::after {
    width: 18px !important;
}

/* ========== СІТКА ========== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 30px 0;
}
.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    background: #f5f5f5;
    cursor: pointer;
    aspect-ratio: 4/3;
}
.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}
.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.portfolio-item:hover img {
    transform: scale(1.05);
}
.portfolio-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    padding: 40px 15px 15px;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.portfolio-item:hover .overlay {
    opacity: 1;
}
.portfolio-item .overlay h3 {
    color: white;
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 3px;
}
.portfolio-item .overlay p {
    color: rgba(255,255,255,0.8);
    font-size: 12px;
    margin: 0;
}

/* ========== КНОПКА "ПОКАЗАТИ ЩЕ" ========== */
.load-more-btn {
    display: block;
    margin: 20px auto 30px;
    background: linear-gradient(135deg, #25a65b 0%, #1e8c4c 100%);
    color: white;
    border: none;
    padding: 12px 32px;
    border-radius: 40px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.load-more-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.load-more-btn.hidden {
    display: none;
}

/* ========== КНОПКА INSTAGRAM ========== */
.instagram-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #f09433 0%, #d62976 40%, #962fbf 80%);
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    color: white;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.instagram-more-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.instagram-badge {
    background: rgba(255,255,255,0.2);
    border-radius: 20px;
    padding: 4px 10px;
    font-size: 12px;
}
.instagram-icon {
    font-size: 22px;
    line-height: 1;
}

/* ========== СТРІЛКИ ========== */
.lightbox-prev, .lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    border: none;
    color: white;
    font-size: 36px;
    padding: 14px 12px;
    cursor: pointer;
    border-radius: 12px;
    transition: all 0.3s;
    z-index: 10;
    min-width: 40px;
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
}
.lightbox-prev {
    left: 12px;
}
.lightbox-next {
    right: 12px;
}
.lightbox-prev:hover, .lightbox-next:hover {
    background: rgba(0,0,0,0.7);
}

/* ========== АДАПТАЦІЯ ДЛЯ МОБІЛЬНИХ ========== */
@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .portfolio-filters button {
        padding: 6px 14px;
        font-size: 13px;
    }
    .instagram-more-btn {
        padding: 8px 20px;
        font-size: 14px;
    }
    .instagram-icon {
        font-size: 18px;
    }
    .lightbox-prev, .lightbox-next {
        font-size: 24px !important;
        padding: 8px 8px !important;
        min-width: 28px !important;
        min-height: 40px !important;
        border-radius: 8px !important;
    }
    .lightbox-prev {
        left: 6px !important;
    }
    .lightbox-next {
        right: 6px !important;
    }
}