/* Стили для страницы товара */
        .product-hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 100px 0 80px;
            margin-top: 70px;
            text-align: center;
        }
        
        .product-gallery {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin: 20px 0;
            align-items: start;
        }
        
        .gallery-section {
            position: sticky;
            top: 100px;
        }
        
        .main-image {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 25px 50px rgba(0,0,0,0.15);
            background: #f8f9fa;
            position: relative;
        }
        
        .main-image img {
            width: 100%;
            object-fit: contain;
            transition: transform 0.3s ease;
        }
        
        .main-image:hover img {
            transform: scale(1.02);
        }
        
        .thumbnails {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
            margin-top: 20px;
        }
        
        .thumbnail {
            border-radius: 10px;
            overflow: hidden;
            cursor: pointer;
            border: 3px solid transparent;
            transition: all 0.3s ease;
            background: #f8f9fa;
            position: relative;
        }
        
        .thumbnail.active {
            border-color: #f37042;
            transform: scale(1.05);
        }
        
        .thumbnail:hover {
            border-color: #f37042;
        }
        
        .thumbnail img {
            width: 100%;
            height: 80px;
            object-fit: cover;
        }
        
        .product-info {
            padding: 50px;
            background: white;
            border-radius: 20px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
            border: 1px solid #e2e8f0;
        }
        
        .product-badge {
            display: inline-block;
            background: #48bb78;
            color: white;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9em;
            font-weight: 600;
            margin-bottom: 20px;
        }

        
        .product-price {
            font-size: 2em;
            font-weight: 700;
            color: #2d3748;
            margin: 25px 0;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .price-note {
            font-size: 1.0em;
            color: #718096;
            font-weight: 400;
        }
        
        .specs-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 15px;
            margin: 30px 0;
        }
        
        .spec-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px;
            background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
            border-radius: 12px;
            border-left: 4px solid #f37042;
            transition: transform 0.2s ease;
        }
        
        .spec-item:hover {
            transform: translateY(-2px);
        }
        
        .spec-label {
            font-weight: 600;
            color: #4a5568;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .spec-value {
            color: #2d3748;
            font-weight: 500;
        }
        
        .product-actions {
            display: flex;
            gap: 15px;
            margin: 35px 0;
            flex-wrap: wrap;
        }
        
        .btn-large {
            padding: 18px 35px;
            font-size: 1.1em;
            flex: 1;
            min-width: 200px;
            border-radius: 12px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-large:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 80px 0;
        }
        
        .feature-card {
            text-align: center;
            padding: 40px 30px;
            background: white;
            border-radius: 16px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.08);
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }
        
        .feature-icon {
            width: 70px;
            height: 70px;
            margin: 0 auto 25px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5em;
            padding: 10px;
        }
        
        .applications-section {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 80px 0;
            border-radius: 20px;
            margin: 80px 0;
        }
        
        .applications-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }
        
        .application-item {
            background: white;
            padding: 25px;
            border-radius: 12px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
        }
        
        .application-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }
        
        .application-icon {
            font-size: 2.5em;
            margin-bottom: 15px;
        }
        
        .color-options {
            display: flex;
            gap: 15px;
            margin: 25px 0;
            flex-wrap: wrap;
        }
        
        .color-option {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            cursor: pointer;
            border: 3px solid transparent;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .color-option.active {
            border-color: #667eea;
            transform: scale(1.1);
        }
        
        .color-option:hover {
            transform: scale(1.05);
        }
        
        .color-option::after {
            content: '✓';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: white;
            font-weight: bold;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .color-option.active::after {
            opacity: 1;
        }
        
        .delivery-info {
            background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
            padding: 30px;
            border-radius: 15px;
            margin: 30px 0;
            border-left: 5px solid #1976d2;
        }

        .delivery-info-pro {
            background: linear-gradient(135deg, #e3fdf1 0%, #bbfbe0 100%);
            padding: 30px;
            border-radius: 15px;
            margin: 30px 0;
            border-left: 5px solid #19d294;
        }

        .delivery-info-pros {
            background: linear-gradient(135deg, #e4e4e4 0%, #e4e4e4 100%);
            padding: 30px;
            border-radius: 15px;
            margin: 30px 0;
            border-left: 5px solid #4b4b4b;
        }
        
        @media (max-width: 1024px) {
            .product-gallery {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            .gallery-section {
                position: static;
            }
        }
        
        @media (max-width: 768px) {
            .product-hero {
                padding: 80px 0 60px;
            }
            
            .product-info {
                padding: 30px 20px;
            }
            
            .product-actions {
                flex-direction: column;
            }
            
            .btn-large {
                min-width: auto;
            }
            
            .thumbnails {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .specs-grid {
                grid-template-columns: 1fr;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
        }
        
        /* Анимации */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease-out;
        }
        
        .stagger-animation > * {
            opacity: 0;
            animation: fadeInUp 0.6s ease-out forwards;
        }
        
        .stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
        .stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
        .stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
        .stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }

        /* Области применения - Ч/Б иконки */
.applications-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
    border-radius: 20px;
    margin: 80px 0;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.application-item {
    background: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
        padding-top: 80px;
    padding-bottom: 80px;
}

.application-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.application-icon {
    font-size: 2.5em;
    margin-bottom: 15px;
    filter: grayscale(100%) brightness(0.3); /* Ч/б фильтр */
    transition: all 0.3s ease;
}

.application-item:hover .application-icon {
    filter: grayscale(0%) brightness(0.8); /* При наведении появляется цвет */
    transform: scale(1.1);
}

.application-item h4 {
    color: #ffffff;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 1.2em;
}

.application-item p {
    color: #ffffff;
    font-size: 0.95em;
    line-height: 1.4;
    margin: 0;
}

/* Адаптивность для мобильных */
@media (max-width: 1024px) {
    .product-gallery {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .gallery-section {
        position: static;
    }
}

@media (max-width: 768px) {
    .product-hero {
        padding: 80px 0 60px;
    }
    
    .product-info {
        padding: 30px 20px;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .btn-large {
        min-width: auto;
        padding: 15px 25px;
    }
    
    .thumbnails {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 60px 0;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .applications-section {
        padding: 60px 0;
        margin: 60px 0;
    }
    
    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .application-item {
        padding: 20px 15px;
                    padding-top: 100px;
    padding-bottom: 100px;
    }
    
    .application-icon {
        font-size: 2em;
    }
    
    .application-item h4 {
        font-size: 1.1em;
    }
    
    .product-price {
        font-size: 2em;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .color-options {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .application-item {
        padding: 25px 20px;
            padding-top: 100px;
    padding-bottom: 100px;
    }
    
    .thumbnails {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .thumbnail img {
        height: 60px;
    }
    
    .product-gallery {
        margin: 40px 0;
    }
    
    .features-grid {
        margin: 40px 0;
    }
    
    .feature-card {
        padding: 25px 15px;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.3em;
    }
    
    h2 {
        font-size: 2em !important;
    }
    
    .cta-actions {
        flex-direction: column;
    }
    
    .cta-actions .btn {
        width: 100%;
        margin-bottom: 10px;
    }
}

/* Дополнительные улучшения для мобильных */
@media (max-width: 768px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .product-description {
        font-size: 1em !important;
        line-height: 1.5;
    }
    
    .spec-item {
        padding: 15px;
    }
    
    .spec-label, .spec-value {
        font-size: 0.9em;
    }
    
    .delivery-info {
        padding: 20px;
    }
    
    .color-options {
        gap: 10px;
    }
    
    .color-option {
        width: 35px;
        height: 35px;
    }
}

/* Улучшение читаемости на мобильных */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2em !important;
    }
    
    h2 {
        font-size: 1.8em !important;
    }
    
    
    .page-hero-title {
        font-size: 2.2em !important;
    }
    
    .page-hero-subtitle {
        font-size: 1.1em !important;
    }
}

/* Оптимизация тач-интерфейса */
@media (max-width: 768px) {
    .btn, .btn-large {
        min-height: 44px; /* Минимальный размер для удобного тапа */
    }
    
    .thumbnail {
        min-height: 60px;
        min-width: 70px;
    }
    
    .color-option {
        min-width: 44px;
        min-height: 44px;
    }
}

/* Улучшение навигации на мобильных */
@media (max-width: 768px) {
    .breadcrumbs-nav {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .breadcrumbs-nav span {
        display: none;
    }
    
    .breadcrumbs-nav a:not(:last-child)::after {
        content: "/";
        margin: 0 8px;
        color: #999;
    }
}

/* Фильтры */
        .filters {
            background: #f8f9fa;
            padding: 30px 0;
            margin-bottom: 50px;
        }
        
        .filter-buttons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .filter-btn {
            padding: 12px 24px;
            border: 2px solid #667eea;
            background: white;
            color: #667eea;
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .filter-btn.active,
        .filter-btn:hover {
            background: #667eea;
            color: white;
        }
        
        /* Сетка каталога */
        .catalog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            gap: 30px;
            margin-bottom: 60px;
        }
        
        .decor-item {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        
        .decor-item:hover {
            transform: translateY(-5px);
        }
        
        .decor-image {
            width: 100%;
            height: 200px;
            background: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #666;
        }
        
        .decor-info {
            padding: 20px;
        }
        
        .decor-category {
            font-size: 0.9em;
            text-transform: uppercase;
            margin-bottom: 5px;
        }

        .decor-categorys {
            color: #000;
            font-size: 0.9em;
            text-transform: uppercase;
            margin-bottom: 5px;
        }
        
        .decor-name {
            font-size: 0.8em;
            font-weight: bold;
            margin-bottom: 10px;
        }

        /* Базовые стили для элементов каталога */
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 2fr));
    gap: 25px;
    padding: 20px 0;
}

.decor-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    opacity: 1;
    transform: scale(1);
}

.decor-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Стили для фильтров в хедере (скрываем на мобильных) */
.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    padding: 20px 0;
}

@media (max-width: 768px) {
    .filter-buttons {
        display: none;
    }
}

.filter-btn {
    padding: 12px 24px;
    border: 2px solid #e9ecef;
    background: white;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

      /* Финальный красивый вариант */
.floating-filter {
    position: fixed;
    bottom: 100px;
    right: 20px;
    z-index: 1000;
}

.filter-toggle {
    width: auto;
    height: auto;
    border-radius: 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    font-size: 30px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.filter-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.filter-toggle.active {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.filter-panel {
    position: absolute;
    bottom: 60px;
    right: 0;
    background: white;
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    gap: 8px;
    min-width: 200px;
}

.filter-panel.active {
    display: flex;
}

.panel-filter-btn {
    padding: 12px 16px;
    border: none;
    background: #f8f9fa;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    font-size: 14px;
}

.panel-filter-btn:hover,
.panel-filter-btn.active {
    background: #667eea;
    color: white;
}

/* Адаптивность */
@media (max-width: 768px) {
    .floating-filter {
        bottom: 90px;
        right: 20px;
    }
    
    .filter-toggle {
        padding: 1px 1px;
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .floating-filter {
        bottom: 90px;
        right: 20px;
    }
    
    .filter-toggle {
        padding: 1px 1px;
        font-size: 10px;
    }
}

/* Скрываем на компьютерах */
@media (min-width: 769px) {
    .floating-filter {
        display: none;
    }
}

/* Убедимся, что кнопка всегда кликабельна */
.filter-toggle {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* Анимация пульсации для привлечения внимания */
@keyframes pulse {
    0% {
        box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(0, 123, 255, 0.6);
    }
    100% {
        box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
    }
}

.filter-toggle.pulse {
    animation: pulse 2s infinite;
}
/* Скрыть плавающую кнопку на компьютерах */
@media (min-width: 769px) {
    .floating-filter {
        display: none;
    }
}

/* На мобильных показать кнопку и скрыть обычные фильтры */
@media (max-width: 768px) {
    .floating-filter {
        display: block;
    }
    .filter-buttons {
        display: none;
    }
}