/* ===========================================
           FRONT-END ARCHITECTURE - BEST PRACTICES
           =========================================== */

        /* -------------------------------------------
           1. КОНФИГУРАЦИЯ И ПЕРЕМЕННЫЕ
           ------------------------------------------- */
        :root {
            --color-primary: #4caf50;
            --color-primary-dark: #388e3c;
            --color-primary-light: #c8e6c9;
            --color-secondary: #ff9800;
            --color-secondary-dark: #f57c00;
            --color-price: #e91e63;
            --color-dark: #2e3830;
            --color-light: #f4f9f4;
            --color-white: #ffffff;
            --color-gray-100: #f5f5f5;
            --color-gray-200: #eeeeee;
            --color-gray-300: #e0e0e0;
            --color-gray-400: #bdbdbd;
            --color-gray-500: #9e9e9e;
            --color-gray-600: #757575;
            --color-gray-700: #616161;
            --color-gray-800: #424242;
            --color-gray-900: #212121;
            --color-danger: #dc3545;
            --color-danger-dark: #c82333;
            --color-overlay: rgba(0, 0, 0, 0.7);

            /* Типографика */
            --font-family-base: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
            --font-size-xs: 12px;
            --font-size-sm: 13px;
            --font-size-md: 14px;
            --font-size-lg: 16px;
            --font-size-xl: 18px;
            --font-size-2xl: 22px;
            --font-size-3xl: 24px;
            --font-size-4xl: 26px;
            --font-size-5xl: 32px;
            --font-size-hero: clamp(2em, 8vw, 3.5em);

            /* Отступы и интервалы */
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 10px;
            --spacing-lg: 15px;
            --spacing-xl: 20px;
            --spacing-2xl: 25px;
            --spacing-3xl: 30px;
            --spacing-4xl: 40px;
            --spacing-5xl: 80px;

            /* Тени */
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
            --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 10px 30px rgba(0, 0, 0, 0.3);

            /* Радиусы */
            --radius-sm: 5px;
            --radius-md: 12px;
            --radius-lg: 15px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --radius-circle: 50%;

            /* Размеры контейнера */
            --container-max-width: 1200px;
            --container-padding: 15px;

            /* Z-индексы */
            --z-index-header: 1000;
            --z-index-sticky-cart: 1500;
            --z-index-popup: 2000;
            --z-index-slider-controls: 10;
            --z-index-video-overlay: 3000;

            /* Транзишены */
            --transition-base: 0.3s ease;
            --transition-fast: 0.2s ease;
        }

        /* -------------------------------------------
           2. СБРОС И БАЗОВЫЕ СТИЛИ
           ------------------------------------------- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            overflow-x: hidden;
            scroll-behavior: smooth;
            width: 100%;
        }

        body {
            font-family: var(--font-family-base);
            background-color: var(--color-light);
            color: var(--color-dark);
            line-height: 1.5;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            width: 100%;
            overflow-x: hidden;
        }

        .container {
            max-width: var(--container-max-width);
            margin: 0 auto;
            padding: 0 var(--container-padding);
            width: 100%;
        }

        /* -------------------------------------------
           3. КОМПОНЕНТЫ
           ------------------------------------------- */

        /* ----- 3.1 Header ----- */
        .header {
            background: var(--color-white);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: var(--z-index-header);
            padding: var(--spacing-md) 0;
            width: 100%;
        }

        .header__wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-md);
        }

        .logo {
            font-size: clamp(1.2rem, 5vw, var(--font-size-3xl));
            font-weight: 800;
            color: var(--color-primary);
            text-transform: uppercase;
            white-space: nowrap;
        }

        .logo i {
            margin-right: 5px;
        }

        .logo__accent {
            color: var(--color-secondary);
        }

        .cart-button {
            background: var(--color-secondary);
            color: var(--color-white);
            padding: var(--spacing-sm) var(--spacing-lg);
            border-radius: var(--radius-full);
            text-decoration: none;
            font-weight: bold;
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            cursor: pointer;
            transition: var(--transition-base);
            border: none;
            white-space: nowrap;
            font-size: clamp(0.8rem, 3vw, 1rem);
        }

        .cart-button:hover {
            background: var(--color-secondary-dark);
            transform: translateY(-2px);
        }

        .cart-button__count {
            background: var(--color-white);
            color: var(--color-secondary);
            border-radius: var(--radius-circle);
            padding: 2px 6px;
            font-size: var(--font-size-xs);
            margin-left: 3px;
        }

        /* ----- 3.2 Hero Section ----- */
        .hero {
            background:
                linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
                url("../images/hero_background.jpg");
            background-size: cover;
            background-position: center;
            color: var(--color-white);
            text-align: center;
            padding: clamp(2rem, 10vw, var(--spacing-5xl)) var(--spacing-xl);
            border-bottom-left-radius: 50% var(--spacing-xl);
            border-bottom-right-radius: 50% var(--spacing-xl);
        }

        .hero__title {
            font-size: var(--font-size-hero);
            margin-bottom: var(--spacing-md);
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            line-height: 1.2;
            word-break: break-word;
        }

        .hero__subtitle {
            font-size: clamp(1rem, 4vw, var(--font-size-xl));
            margin-bottom: var(--spacing-3xl);
        }

        /* ----- 3.3 Product Grid ----- */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: clamp(10px, 3vw, var(--spacing-xl));
            padding-bottom: var(--spacing-3xl);
            margin-top: var(--spacing-3xl);
        }

        .product-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: var(--transition-base);
            position: relative;
            display: flex;
            flex-direction: column;
            height: 100%;
            cursor: pointer;
        }

        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .product-card__badge {
            position: absolute;
            top: var(--spacing-sm);
            left: var(--spacing-sm);
            background: var(--color-secondary);
            color: var(--color-white);
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--radius-sm);
            font-size: clamp(0.6rem, 2vw, var(--font-size-xs));
            font-weight: bold;
            z-index: 2;
        }

        .product-card__badge--new {
            background: #2196f3;
        }

        .product-card__badge--harvest {
            background: purple;
        }

        .product-card__badge--hit {
            background: #ff5722;
        }

        .product-card__badge--herbs {
            background: #8bc34a;
        }

        .product-card__badge--flowers {
            background: #e91e63;
        }

        .product-card__image {
            width: 100%;
            aspect-ratio: 3/4;
            object-fit: cover;
            background: var(--color-gray-200);
            transition: var(--transition-fast);
        }

        .product-card__image:hover {
            opacity: 0.9;
        }

        .product-card__info {
            padding: clamp(8px, 2vw, var(--spacing-lg));
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .product-card__title {
            font-size: clamp(0.9rem, 3vw, var(--font-size-xl));
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
            transition: color var(--transition-fast);
            line-height: 1.3;
            word-break: break-word;
        }

        .product-card__title:hover {
            color: var(--color-primary);
        }

        .product-card__short-desc {
            font-size: clamp(0.7rem, 2.5vw, var(--font-size-sm));
            color: var(--color-gray-600);
            margin-bottom: clamp(8px, 2vw, var(--spacing-lg));
        }

        .product-card__price-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
            gap: 5px;
        }

        .product-card__prices {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .product-card__old-price {
            font-size: clamp(0.7rem, 2.2vw, 0.9rem);
            color: var(--color-gray-500);
            text-decoration: line-through;
            white-space: nowrap;
        }

        .product-card__price {
            font-size: clamp(1.2rem, 4vw, var(--font-size-2xl));
            font-weight: bold;
            color: var(--color-price);
            white-space: nowrap;
            line-height: 1.2;
        }

        /* Кнопка добавления в корзину */
        .product-card__add-btn {
            background: var(--color-primary);
            color: var(--color-white);
            border: none;
            width: auto;
            height: clamp(32px, 8vw, 40px);
            border-radius: var(--radius-full);
            cursor: pointer;
            font-size: clamp(0.8rem, 2.5vw, 0.9rem);
            transition: var(--transition-fast);
            display: flex;
            justify-content: center;
            align-items: center;
            flex-shrink: 0;
            padding: 0 var(--spacing-md);
            white-space: nowrap;
        }

        .product-card__add-btn:hover {
            background: var(--color-primary-dark);
            transform: scale(1.1);
        }

        /* Состояние "в корзине" */
        .product-card__add-btn--in-cart {
            background: var(--color-danger);
        }

        .product-card__add-btn--in-cart:hover {
            background: var(--color-danger-dark);
        }

        .product-card__add-text {
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        /* ----- 3.4 Section Headers ----- */
        .section-header {
            text-align: center;
            font-size: clamp(1.5rem, 5vw, var(--font-size-4xl));
            font-weight: bold;
            margin: clamp(1.5rem, 4vw, var(--spacing-4xl)) 0 clamp(1rem, 3vw, var(--spacing-xl));
            color: var(--color-dark);
            padding: 0 10px;
            word-break: break-word;
        }

        /* ----- 3.5 Advantages Section ----- */
        .advantages-section {
            padding: clamp(1.5rem, 4vw, var(--spacing-4xl)) 0;
            background: var(--color-white);
            position: relative;
            width: 100%;
        }

        .advantages-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg,
                    transparent,
                    var(--color-primary-light),
                    transparent);
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: clamp(10px, 3vw, var(--spacing-xl));
            margin-top: clamp(1rem, 3vw, var(--spacing-3xl));
            padding: 0 5px;
        }

        .advantage-card {
            background: var(--color-light);
            border-radius: var(--radius-lg);
            padding: clamp(1rem, 3vw, var(--spacing-2xl)) clamp(0.8rem, 2.5vw, var(--spacing-xl));
            text-align: center;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
            border: 1px solid transparent;
        }

        .advantage-card:hover {
            transform: translateY(-5px);
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }

        .advantage-card__icon {
            width: clamp(50px, 10vw, 70px);
            height: clamp(50px, 10vw, 70px);
            background: var(--color-primary);
            color: var(--color-white);
            border-radius: var(--radius-circle);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto clamp(0.8rem, 2.5vw, var(--spacing-lg));
            font-size: clamp(1.2rem, 4vw, var(--font-size-3xl));
            transition: var(--transition-base);
        }

        .advantage-card:hover .advantage-card__icon {
            background: var(--color-secondary);
            transform: rotateY(360deg);
        }

        .advantage-card__title {
            font-size: clamp(1rem, 3vw, var(--font-size-xl));
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: clamp(0.5rem, 1.5vw, var(--spacing-md));
            text-transform: uppercase;
            letter-spacing: 0.5px;
            word-break: break-word;
        }

        .advantage-card__text {
            font-size: clamp(0.8rem, 2.5vw, var(--font-size-md));
            color: var(--color-gray-600);
            line-height: 1.5;
            margin: 0;
            word-break: break-word;
        }

        /* ----- 3.6 Video Section (СЛАЙДЕР С ВИДЕО) ----- */
        .video-section {
            padding: clamp(1.5rem, 4vw, var(--spacing-4xl)) 0;
            background: var(--color-light);
            width: 100%;
            overflow: hidden;
        }

        .video-slider-container {
            position: relative;
            max-width: 100%;
            margin: 0 auto;
            padding: 0 clamp(10px, 3vw, 40px);
        }

        .video-track-container {
            overflow: hidden;
            width: 100%;
        }

        .video-grid {
            display: flex;
            transition: transform 0.4s ease;
            gap: clamp(10px, 2vw, var(--spacing-xl));
        }

        .video-card {
            flex: 0 0 calc(33.333% - (var(--spacing-xl) * 2 / 3));
            min-width: 0;
            height: clamp(180px, 30vw, 260px);
            background: var(--color-gray-900);
            border-radius: var(--radius-lg);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            cursor: pointer;
            transition: var(--transition-base);
            background-size: cover;
            background-position: center;
        }

        @media (max-width: 768px) {
            .video-card {
                flex: 0 0 100%;
            }
        }

        .video-card:hover {
            transform: scale(1.02);
            box-shadow: var(--shadow-lg);
        }

        .video-card__overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
        }

        .video-card:hover .video-card__overlay {
            background: rgba(0, 0, 0, 0.5);
        }

        .video-card__play-icon {
            font-size: clamp(2rem, 8vw, 60px);
            color: var(--color-white);
            opacity: 0.9;
            transition: var(--transition-base);
            filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
        }

        .video-card:hover .video-card__play-icon {
            opacity: 1;
            transform: scale(1.1);
            color: var(--color-primary);
        }

        .video-card__duration {
            position: absolute;
            bottom: var(--spacing-sm);
            right: var(--spacing-sm);
            background: rgba(0, 0, 0, 0.7);
            color: var(--color-white);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            font-size: clamp(0.6rem, 2vw, var(--font-size-xs));
            font-weight: bold;
        }

        .video-card__title {
            position: absolute;
            bottom: var(--spacing-sm);
            left: var(--spacing-sm);
            right: 60px;
            color: var(--color-white);
            font-weight: 600;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            font-size: clamp(0.7rem, 2.5vw, 1rem);
        }

        /* Видео плеер */
        .video-player-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--color-overlay);
            z-index: var(--z-index-video-overlay);
            justify-content: center;
            align-items: center;
            padding: var(--spacing-md);
        }

        .video-player-container {
            position: relative;
            width: 100%;
            max-width: 900px;
            background: var(--color-dark);
            border-radius: var(--radius-lg);
            overflow: hidden;
            animation: videoFadeIn 0.3s ease;
        }

        .video-player video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }

        @keyframes videoFadeIn {
            from {
                transform: scale(0.9);
                opacity: 0;
            }

            to {
                transform: scale(1);
                opacity: 1;
            }
        }

        .video-player {
            position: relative;
            width: 100%;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
        }

        .video-player iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }

        .video-player__close {
            position: absolute;
            top: var(--spacing-sm);
            right: var(--spacing-sm);
            font-size: clamp(1.5rem, 5vw, var(--font-size-3xl));
            color: var(--color-white);
            cursor: pointer;
            z-index: 10;
            background: rgba(0, 0, 0, 0.5);
            width: clamp(30px, 8vw, 40px);
            height: clamp(30px, 8vw, 40px);
            text-align: center;
            line-height: clamp(30px, 8vw, 40px);
            border-radius: var(--radius-circle);
            transition: var(--transition-fast);
        }

        .video-player__close:hover {
            background: var(--color-danger);
            transform: rotate(90deg);
        }

        /* Стрелки для видео слайдера */
        .video-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            color: var(--color-white);
            border: none;
            border-radius: var(--radius-circle);
            cursor: pointer;
            font-size: var(--font-size-xl);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
            z-index: var(--z-index-slider-controls);
        }

        .video-arrow:hover {
            background: var(--color-primary-dark);
            transform: translateY(-50%) scale(1.1);
        }

        .video-arrow--left {
            left: 0;
        }

        .video-arrow--right {
            right: 0;
        }

        @media (max-width: 768px) {
            .video-arrow {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }

            .video-slider-container {
                padding: 0 30px;
            }
        }

        @media (max-width: 480px) {
            .video-arrow {
                display: none;
            }

            .video-slider-container {
                padding: 0;
            }
        }

        /* Точки для видео слайдера */
        .video-dots {
            display: flex;
            justify-content: center;
            gap: var(--spacing-md);
            margin-top: var(--spacing-xl);
            flex-wrap: wrap;
        }

        .video-dot {
            width: 10px;
            height: 10px;
            background: var(--color-gray-400);
            border: none;
            border-radius: var(--radius-circle);
            cursor: pointer;
            transition: var(--transition-base);
            padding: 0;
        }

        .video-dot:hover {
            background: var(--color-gray-600);
        }

        .video-dot--active {
            background: var(--color-primary);
            transform: scale(1.2);
        }

        /* ----- 3.7 Popups ----- */
        .popup-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: var(--z-index-popup);
            justify-content: center;
            align-items: center;
            padding: var(--spacing-md);
            box-sizing: border-box;
        }

        .popup {
            background: var(--color-white);
            width: 100%;
            max-width: 600px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            position: relative;
            animation: popupFadeIn 0.3s ease;
            max-height: 90vh;
            display: flex;
            flex-direction: column;
        }

        @keyframes popupFadeIn {
            from {
                transform: scale(0.9);
                opacity: 0;
            }

            to {
                transform: scale(1);
                opacity: 1;
            }
        }

        .popup__close {
            position: absolute;
            top: var(--spacing-sm);
            right: var(--spacing-sm);
            font-size: clamp(1.5rem, 5vw, var(--font-size-3xl));
            color: var(--color-gray-800);
            cursor: pointer;
            z-index: 10;
            background: rgba(255, 255, 255, 0.7);
            width: clamp(30px, 8vw, 40px);
            height: clamp(30px, 8vw, 40px);
            text-align: center;
            line-height: clamp(30px, 8vw, 40px);
            border-radius: var(--radius-circle);
            transition: var(--transition-fast);
        }

        .popup__close:hover {
            background: var(--color-white);
            transform: rotate(90deg);
        }

        .popup__body {
            padding: clamp(1rem, 3vw, var(--spacing-2xl));
            overflow-y: auto;
            flex: 1;
        }

        .popup__title {
            font-size: clamp(1.3rem, 4vw, var(--font-size-3xl));
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            word-break: break-word;
        }

        /* ----- 3.8 Корзина ----- */
        .cart {
            display: flex;
            flex-direction: column;
            max-height: 80vh;
        }

        .cart__header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: var(--spacing-lg);
            padding-bottom: var(--spacing-md);
            border-bottom: 2px solid var(--color-gray-200);
            gap: 10px;
            flex-wrap: wrap;
        }

        .cart__title {
            font-size: clamp(1.2rem, 4vw, var(--font-size-2xl));
            font-weight: 700;
            color: var(--color-dark);
        }

        .cart__clear-btn {
            background: none;
            border: 1px solid var(--color-gray-300);
            color: var(--color-gray-600);
            padding: var(--spacing-xs) var(--spacing-md);
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition-fast);
            font-size: clamp(0.8rem, 2.5vw, 1rem);
            white-space: nowrap;
        }

        .cart__clear-btn:hover {
            background: var(--color-danger);
            color: var(--color-white);
            border-color: var(--color-danger);
        }

        .cart__items {
            flex: 1;
            overflow-y: auto;
            max-height: 250px;
            padding-right: var(--spacing-xs);
        }

        .cart-item {
            display: flex;
            align-items: center;
            gap: clamp(8px, 2vw, var(--spacing-lg));
            padding: clamp(8px, 2vw, var(--spacing-lg));
            background: var(--color-gray-100);
            border-radius: var(--radius-lg);
            margin-bottom: var(--spacing-md);
            position: relative;
            transition: var(--transition-fast);
        }

        .cart-item:hover {
            background: var(--color-gray-200);
        }

        .cart-item__image {
            width: clamp(50px, 12vw, 70px);
            height: clamp(50px, 12vw, 70px);
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }

        .cart-item__info {
            flex: 1;
            min-width: 0;
        }

        .cart-item__title {
            font-weight: 600;
            margin-bottom: var(--spacing-xs);
            font-size: clamp(0.8rem, 2.5vw, var(--font-size-md));
            word-break: break-word;
        }

        .cart-item__price {
            color: var(--color-price);
            font-weight: 600;
            font-size: clamp(0.7rem, 2.2vw, var(--font-size-sm));
        }

        .cart-item__remove {
            width: clamp(24px, 7vw, 32px);
            height: clamp(24px, 7vw, 32px);
            border: none;
            background: var(--color-danger);
            color: var(--color-white);
            border-radius: var(--radius-circle);
            cursor: pointer;
            transition: var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: clamp(0.7rem, 2vw, 0.9rem);
            align-self: start;
        }

        .cart-item__remove:hover {
            background: var(--color-danger-dark);
            transform: scale(1.1);
        }

        .cart__summary {
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-lg);
            border-top: 2px solid var(--color-gray-200);
        }

        .cart__total-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: var(--spacing-md);
            font-size: clamp(1rem, 3vw, var(--font-size-xl));
            flex-wrap: wrap;
            gap: 10px;
        }

        .cart__total-label {
            font-weight: 600;
        }

        .cart__total-amount {
            font-weight: 800;
            color: var(--color-price);
            font-size: clamp(1.2rem, 3.5vw, var(--font-size-2xl));
        }

        .cart__form {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .cart__empty {
            text-align: center;
            padding: clamp(2rem, 8vw, var(--spacing-4xl)) var(--spacing-md);
            color: var(--color-gray-500);
        }

        .cart__empty i {
            font-size: clamp(2.5rem, 10vw, 60px);
            margin-bottom: var(--spacing-lg);
            color: var(--color-gray-400);
        }

        .cart__empty p {
            font-size: clamp(1rem, 3.5vw, var(--font-size-lg));
            margin-bottom: var(--spacing-lg);
        }

        .cart__empty-btn {
            background: var(--color-primary);
            color: var(--color-white);
            border: none;
            padding: var(--spacing-md) var(--spacing-xl);
            border-radius: var(--radius-md);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition-fast);
            font-size: clamp(0.8rem, 2.5vw, 1rem);
        }

        .cart__empty-btn:hover {
            background: var(--color-primary-dark);
        }

        /* Buttons */
        .button {
            display: inline-block;
            padding: clamp(10px, 2.5vw, var(--spacing-lg)) clamp(12px, 3vw, var(--spacing-xl));
            border: none;
            border-radius: var(--radius-md);
            font-size: clamp(0.9rem, 2.8vw, var(--font-size-lg));
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition-base);
            text-align: center;
            text-transform: uppercase;
            width: 100%;
        }

        .button--primary {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .button--primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
        }

        /* Form elements */
        .form-group {
            margin-bottom: var(--spacing-md);
        }

        .form-input {
            width: 100%;
            padding: clamp(10px, 2.5vw, var(--spacing-lg));
            border: 1px solid var(--color-gray-300);
            border-radius: var(--radius-md);
            font-family: inherit;
            transition: var(--transition-fast);
            font-size: clamp(0.9rem, 2.8vw, 1rem);
        }

        .form-input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary-light);
        }

        /* ----- 3.9 Sticky Cart ----- */
        .sticky-cart {
            display: none;
            position: fixed;
            bottom: var(--spacing-md);
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 30px);
            max-width: 400px;
            background: var(--color-dark);
            color: var(--color-white);
            padding: clamp(10px, 3vw, var(--spacing-lg)) clamp(15px, 4vw, var(--spacing-2xl));
            border-radius: var(--radius-full);
            justify-content: space-between;
            align-items: center;
            box-shadow: var(--shadow-xl);
            z-index: var(--z-index-sticky-cart);
            cursor: pointer;
            transition: var(--transition-base);
            font-size: clamp(0.8rem, 2.5vw, 1rem);
        }

        .sticky-cart:hover {
            transform: translateX(-50%) translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
        }

        .sticky-cart--active {
            display: flex;
        }

        .sticky-cart__total {
            font-weight: bold;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .sticky-cart__count {
            background: var(--color-primary);
            padding: 2px 6px;
            border-radius: var(--radius-circle);
            margin-left: var(--spacing-xs);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 20px;
            height: 20px;
            line-height: 1;
            font-size: var(--font-size-xs);
            box-sizing: border-box;
        }

        .sticky-cart__action {
  background: var(--color-danger);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-xl);
  font-size: clamp(0.7rem, 2.2vw, var(--font-size-sm));
  white-space: nowrap;
  font-weight: bold;
        }

        /* ----- 3.10 Footer ----- */
        .footer {
            background: var(--color-white);
            border-top: 1px solid var(--color-gray-200);
            padding: var(--spacing-4xl) 0 var(--spacing-3xl);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--spacing-4xl);
            align-items: start;
        }

        .footer-legal {
            font-size: var(--font-size-sm);
            color: var(--color-gray-700);
            line-height: 1.6;
        }

        .footer-legal b {
            color: var(--color-dark);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .sample-check {
            max-width: 200px;
            height: auto;
            border: 1px solid var(--color-gray-300);
            border-radius: var(--radius-sm);
            margin-top: var(--spacing-sm);
            box-shadow: var(--shadow-sm);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            min-width: 250px;
        }

        .footer-links b {
            color: var(--color-dark);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: var(--spacing-sm);
        }

        .footer-links a {
            color: var(--color-primary);
            text-decoration: none;
            font-size: var(--font-size-sm);
            transition: color var(--transition-fast);
            padding: var(--spacing-xs) 0;
            border-bottom: 1px solid transparent;
            line-height: 1.4;
        }

        .footer-links a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
            border-bottom-color: var(--color-primary-light);
        }

        /* Медиазапросы для футера */
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-3xl);
            }

            .footer-legal {
                order: 2;
            }

            .footer-links {
                order: 1;
                min-width: auto;
            }

            .sample-check {
                max-width: 150px;
            }
        }

        @media (max-width: 480px) {
            .footer {
                padding: var(--spacing-2xl) 0;
            }

            .footer-grid {
                gap: var(--spacing-2xl);
            }

            .footer-legal,
            .footer-links {
                font-size: var(--font-size-xs);
            }

            .footer-links {
                gap: var(--spacing-sm);
            }

            .sample-check {
                max-width: 120px;
            }
        }

        /* -------------------------------------------
           4. УТИЛИТАРНЫЕ КЛАССЫ
           ------------------------------------------- */
        .text-center {
            text-align: center;
        }

        .text-left {
            text-align: left;
        }

        .text-right {
            text-align: right;
        }

        .d-flex {
            display: flex;
        }

        .d-grid {
            display: grid;
        }

        .d-none {
            display: none;
        }

        .flex-column {
            flex-direction: column;
        }

        .flex-wrap {
            flex-wrap: wrap;
        }

        .justify-center {
            justify-content: center;
        }

        .justify-between {
            justify-content: space-between;
        }

        .items-center {
            align-items: center;
        }

        .w-100 {
            width: 100%;
        }

        .h-100 {
            height: 100%;
        }

        .m-0 {
            margin: 0;
        }

        .p-0 {
            padding: 0;
        }

        /* -------------------------------------------
           5. МЕДИАЗАПРОСЫ
           ------------------------------------------- */
        @media (min-width: 769px) and (max-width: 1024px) {
            .products-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (min-width: 1025px) {
            .products-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        @media (max-width: 768px) {
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .advantages-section {
                padding: 20px 0;
            }

            .footer-container {
                grid-template-columns: 1fr;
                gap: var(--spacing-2xl);
            }

            .footer-links {
                flex-direction: row;
                flex-wrap: wrap;
                gap: var(--spacing-lg);
                justify-content: flex-start;
            }

            .footer-link {
                white-space: normal;
            }
        }

        @media (max-width: 600px) {
            .products-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .product-card__info {
                padding: 10px;
            }

            .product-card__title {
                font-size: 0.9rem;
            }

            .product-card__short-desc {
                font-size: 0.7rem;
                margin-bottom: 8px;
            }

            .product-card__price {
                font-size: 0.9rem;
            }

            .product-card__add-btn {
                height: 40px;
                font-size: 0.75rem;
                padding: 0 var(--spacing-sm);
            }
        }

        @media (max-width: 480px) {
            .products-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }

            .product-card__info {
                padding: 8px;
            }

            .product-card__title {
                font-size: 0.8rem;
                margin-bottom: 2px;
            }

            .product-card__short-desc {
                font-size: 0.65rem;
                margin-bottom: 5px;
            }

            .product-card__price {
                font-size: 0.8rem;
            }

            .product-card__add-btn {
                height: 26px;
                font-size: 0.7rem;
                padding: 0 6px;
            }

            .product-card__add-text {
                font-size: 0.7rem;
            }

            .advantages-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .advantage-card {
                padding: 15px;
            }

            .advantage-card__icon {
                width: 45px;
                height: 45px;
                font-size: 1.2rem;
            }

            .advantage-card__title {
                font-size: 0.9rem;
            }

            .advantage-card__text {
                font-size: 0.8rem;
            }

            .header__wrapper {
                padding: 0 5px;
            }

            .cart-button {
                padding: 5px 10px;
                font-size: 0.75rem;
            }

            .cart-button__count {
                padding: 1px 4px;
            }

            .hero {
                padding: 30px 10px;
                border-bottom-left-radius: 30px;
                border-bottom-right-radius: 30px;
            }

            .hero__title {
                font-size: 1.5rem;
            }

            .hero__subtitle {
                font-size: 0.9rem;
                margin-bottom: 15px;
            }

            .section-header {
                font-size: 1.3rem;
                margin: 15px 0 10px;
            }

            .cart-item {
                flex-wrap: wrap;
            }

            .cart-item__image {
                width: 45px;
                height: 45px;
            }

            .cart__total-amount {
                font-size: 1.1rem;
            }

            .footer {
                padding: var(--spacing-2xl) 0;
            }

            .footer-links {
                flex-direction: column;
                gap: var(--spacing-md);
            }

            .footer-address {
                max-width: 100%;
            }
        }

        @media (max-width: 360px) {
            .products-grid {
                grid-template-columns: 1fr;
            }

            .cart-item__controls {
                flex-wrap: wrap;
            }
        }

        @media (max-width: 320px) {
            .container {
                padding: 0 8px;
            }

            .product-card__price {
                font-size: 0.75rem;
            }

            .product-card__add-btn {
                height: 24px;
                font-size: 0.65rem;
                padding: 0 4px;
            }

            .cart-button {
                padding: 4px 8px;
            }

            .cart-button span:not(.cart-button__count) {
                display: none;
            }
        }