/* Общие стили для интерактивных эффектов */

/* Модальное окно для изображений */
.image-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease;
}

.image-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal-img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.image-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: transform 0.2s ease;
}

.image-modal-close:hover {
    transform: scale(1.2);
    color: #f3f4f6;
}

.image-modal-prev,
.image-modal-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.image-modal-prev:hover,
.image-modal-next:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: translateY(-50%) scale(1.1);
}

.image-modal-prev {
    left: -70px;
}

.image-modal-next {
    right: -70px;
}

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

@media (max-width: 768px) {
    .image-modal-prev,
    .image-modal-next {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .image-modal-prev {
        left: 10px;
    }
    
    .image-modal-next {
        right: 10px;
    }
    
    .image-modal-close {
        top: 10px;
        right: 10px;
        font-size: 30px;
    }
}

/* Кнопка "Наверх" */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: #1d4ed8;
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

@media (max-width: 520px) {
    .scroll-to-top {
        width: 45px;
        height: 45px;
        font-size: 20px;
        bottom: 20px;
        right: 20px;
    }
}