:root {
            --color-bg: #f4f7f5;
            --color-white: #ffffff;
            --color-gray: #eef3f0;
            --color-black: #000000;
            --color-primary: #0f6e4f;
            --color-primary-dark: #0a4f38;
            --color-dark: #0d2b21;
            --color-text: #16241e;
            --color-text-muted: #5b6e65;
            --color-text-light: #94a39c;
            --color-green: #16a34a;
            --color-red: #ef4444;
            --color-gold: #f59e0b;
            --color-border: #dbe6e0;

            --font-family: 'Poppins', sans-serif;
            --font-xs: 0.75rem;
            --font-sm: 0.875rem;
            --font-md: 1rem;
            --font-lg: 1.125rem;
            --font-xl: 1.25rem;
            --font-2xl: 1.5rem;
            --font-3xl: 2rem;

            --space-xs: 4px;
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;

            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;

            --shadow-sm: 0 1px 3px rgba(13, 43, 33, 0.1);
            --shadow-md: 0 4px 16px rgba(13, 43, 33, 0.1);
            --shadow-lg: 0 8px 32px rgba(13, 43, 33, 0.18);

            --transition: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--color-bg);
            color: var(--color-text);
            font-size: var(--font-md);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

        /* ===== ANNOUNCEMENT BAR ===== */
        .announcement-bar {
            background: var(--color-dark);
            color: var(--color-white);
            text-align: center;
            padding: 10px 15px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        /* ===== HEADER ===== */
        .header {
            background: var(--color-white);
            padding: 15px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }

        .header-logo {
            font-size: var(--font-xl);
            font-weight: 800;
            color: var(--color-primary);
        }

        .header-nav {
            display: none;
        }

        .header-nav.active {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--color-white);
            padding: var(--space-md);
            box-shadow: var(--shadow-md);
            gap: var(--space-sm);
            z-index: 99;
        }

        .header-nav li a {
            display: block;
            padding: 10px 16px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }

        .header-nav li a:hover {
            background: var(--color-gray);
        }

        .menu-toggle {
            display: flex;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 4px;
        }

        .menu-toggle span {
            width: 24px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* ===== HERO SECTION ===== */
        .product-hero {
            background: var(--color-white);
            padding: 20px;
        }

        .hero-swiper {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: var(--space-md);
            position: relative;
            background: var(--color-dark);
        }

        .hero-swiper .swiper-slide img {
            width: 100%;
            /*aspect-ratio: 1/1;*/
            object-fit: cover;
        }

        .hero-swiper .swiper-pagination-bullet {
            background: var(--color-primary);
            opacity: 0.4;
        }

        .hero-swiper .swiper-pagination-bullet-active {
            opacity: 1;
        }

        .hero-swiper .swiper-button-prev,
        .hero-swiper .swiper-button-next {
            color: var(--color-primary);
            width: 36px;
            height: 36px;
            background: rgba(255, 255, 255, 0.85);
            border-radius: 50%;
        }

        .hero-swiper .swiper-button-prev::after,
        .hero-swiper .swiper-button-next::after {
            font-size: 16px;
            font-weight: 700;
        }

        .reviews-badge {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            margin-bottom: var(--space-sm);
            font-size: var(--font-sm);
            color: var(--color-text-muted);
        }

        .reviews-badge .stars {
            color: var(--color-gold);
            font-size: var(--font-md);
            letter-spacing: 1px;
        }

        .product-title {
            font-size: var(--font-2xl);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: var(--space-sm);
        }

        .product-subtitle {
            font-size: var(--font-sm);
            color: var(--color-text-muted);
            margin-bottom: var(--space-md);
            line-height: 1.6;
        }

        .price-area {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            margin-bottom: var(--space-sm);
            flex-wrap: wrap;
        }

        .price-new {
            font-size: var(--font-2xl);
            font-weight: 800;
            color: var(--color-text);
        }

        .price-old {
            font-size: var(--font-lg);
            color: var(--color-text-light);
            text-decoration: line-through;
        }

        .gift-tag {
            background: #d6efe1;
            color: #0f6e4f;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 700;
        }

        .benefits-list {
            margin: var(--space-md) 0;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .benefits-list li {
            display: flex;
            align-items: flex-start;
            gap: var(--space-sm);
            font-size: var(--font-sm);
            line-height: 1.5;
        }

        .benefits-list li::before {
            content: '✓';
            color: var(--color-primary);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        .btn-main {
            display: block;
            width: 100%;
            background: var(--color-primary);
            color: var(--color-white);
            text-align: center;
            padding: 18px;
            border-radius: var(--radius-sm);
            font-size: var(--font-lg);
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border: none;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
            margin-top: var(--space-md);
        }

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

        .btn-main:active {
            transform: translateY(0);
        }

        /* ===== PROMO BANNER ===== */
        .promo-banner {
            background: var(--color-primary);
            color: var(--color-white);
            text-align: center;
            padding: var(--space-lg) 20px;
        }

        .promo-banner-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            padding: 4px 16px;
            font-size: var(--font-sm);
            font-weight: 700;
            margin-bottom: var(--space-sm);
        }

        .promo-banner-tag b {
            font-size: var(--font-xl);
        }

        .promo-banner p {
            font-size: var(--font-md);
        }

        .promo-banner p b {
            font-weight: 800;
        }

        /* ===== WALK/DEMO SECTION ===== */
        .section {
            padding: 40px 20px;
        }

        .section.bg-gray {
            background: var(--color-gray);
        }

        .walk-section {
            display: flex;
            flex-direction: column;
            gap: var(--space-lg);
            max-width: 540px;
            margin: 0 auto;
        }

        .walk-section img {
            border-radius: var(--radius-md);
            width: 100%;
        }

        .walk-section h2 {
            font-size: var(--font-3xl);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: var(--space-md);
        }

        .walk-section h2 span {
            color: var(--color-primary);
        }

        .walk-section p {
            font-size: var(--font-sm);
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ===== HORIZONTAL TICKER ===== */
        .horizontal-ticker {
            background: var(--color-white);
            padding: 14px 0;
            overflow: hidden;
            white-space: nowrap;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .ticker-track {
            display: inline-flex;
            animation: ticker 20s linear infinite;
        }

        .ticker-item {
            display: inline-flex;
            align-items: center;
            gap: var(--space-sm);
            padding: 0 var(--space-lg);
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--color-text);
            white-space: nowrap;
        }

        @keyframes ticker {
            0% {
                transform: translateX(0);
            }

            100% {
                transform: translateX(-50%);
            }
        }

        /* ===== SECTION TITLES ===== */
        .sec-title {
            font-size: var(--font-2xl);
            font-weight: 800;
            text-align: center;
            line-height: 1.2;
            margin-bottom: var(--space-sm);
        }

        .sec-title span {
            color: var(--color-primary);
        }

        .sec-desc {
            text-align: center;
            color: var(--color-text-muted);
            font-size: var(--font-sm);
            margin-bottom: var(--space-lg);
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== FEATURES ===== */
        .features-grid {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            max-width: 540px;
            margin: 0 auto var(--space-lg);
        }

        .feature-card {
            background: var(--color-gray);
            border-radius: var(--radius-md);
            padding: var(--space-lg) var(--space-md);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .feature-card-icon {
            font-size: 2rem;
            margin-bottom: var(--space-sm);
        }

        .feature-card-title {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: var(--space-sm);
        }

        .feature-card-desc {
            font-size: var(--font-sm);
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ===== HOW TO USE ===== */
        .howto-section {
            background: var(--color-primary);
            color: var(--color-white);
            padding: 40px 20px;
        }

        .howto-title {
            font-size: var(--font-xs);
            font-weight: 700;
            letter-spacing: 3px;
            text-transform: uppercase;
            text-align: center;
            margin-bottom: var(--space-lg);
            opacity: 0.9;
        }

        .howto-steps {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            max-width: 540px;
            margin: 0 auto;
        }

        .howto-step {
            display: flex;
            align-items: flex-start;
            gap: var(--space-md);
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: var(--space-md);
        }

        .howto-num {
            font-size: 1.5rem;
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 50%;
            font-weight: 800;
        }

        .howto-text {
            font-size: var(--font-sm);
            line-height: 1.6;
            opacity: 0.95;
        }

        .howto-text strong {
            display: block;
            font-size: var(--font-md);
            margin-bottom: 2px;
        }

        /* ===== REVIEWS ===== */
        .reviews-header {
            text-align: center;
            margin-bottom: var(--space-lg);
        }

        .rating-block {
            max-width: 540px;
            margin: 0 auto var(--space-lg);
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--space-lg) var(--space-md);
        }

        .rating-top {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            margin-bottom: var(--space-md);
        }

        .rating-stars {
            color: var(--color-gold);
            font-size: var(--font-2xl);
            letter-spacing: 2px;
        }

        .rating-score {
            font-size: var(--font-2xl);
            font-weight: 800;
        }

        .rating-count {
            font-size: var(--font-sm);
            color: var(--color-text-muted);
        }

        .rating-bars {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .rating-bar {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: var(--font-sm);
        }

        .rating-bar-label {
            width: 30px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .rating-bar-track {
            flex: 1;
            height: 8px;
            background: var(--color-border);
            border-radius: 4px;
            overflow: hidden;
        }

        .rating-bar-fill {
            height: 100%;
            background: var(--color-gold);
            border-radius: 4px;
        }

        .rating-bar-count {
            width: 30px;
            text-align: right;
            color: var(--color-text-muted);
            font-size: var(--font-xs);
        }

        .reviews-slider {
            position: relative;
            max-width: 540px;
            margin: 0 auto;
        }

        .reviews-slider-wrapper {
            display: flex;
            gap: var(--space-md);
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding-bottom: var(--space-md);
        }

        .reviews-slider-wrapper::-webkit-scrollbar {
            display: none;
        }

        .reviews-slide {
            min-width: 280px;
            max-width: 300px;
            scroll-snap-align: start;
            flex-shrink: 0;
        }

        .review-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .review-card img {
            width: 100%;
            aspect-ratio: 1 / 1;
            object-fit: cover;
            display: block;
        }

        .review-card-body {
            padding: var(--space-md);
        }

        .review-card-stars {
            color: var(--color-gold);
            font-size: var(--font-sm);
            margin-bottom: var(--space-xs);
        }

        .review-card-name {
            font-size: var(--font-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--color-text-muted);
            margin-bottom: var(--space-sm);
        }

        .review-card-title {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: var(--space-xs);
        }

        .review-card-text {
            font-size: var(--font-sm);
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .review-card-avatar {
            width: 100%;
            aspect-ratio: 1 / 1;
            background: linear-gradient(135deg, #d6efe1 0%, #a8dec0 50%, #6fc191 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3.5rem;
        }

        .reviews-slider-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 36px;
            height: 36px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            z-index: 10;
            transition: background var(--transition);
            color: var(--color-text);
        }

        .reviews-slider-btn:hover {
            background: var(--color-gray);
        }

        .reviews-slider-prev {
            left: -12px;
        }

        .reviews-slider-next {
            right: -12px;
        }

        /* ===== DELIVERY / HOW IT WORKS ===== */
        .info-cards {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            max-width: 540px;
            margin: 0 auto;
        }

        .info-card {
            display: flex;
            align-items: flex-start;
            gap: var(--space-md);
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            box-shadow: var(--shadow-sm);
        }

        .info-card-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            background: var(--color-primary);
            color: var(--color-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
        }

        .info-card h4 {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 2px;
        }

        .info-card p {
            font-size: var(--font-sm);
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ===== CHECKOUT ===== */
        .checkout-section {
            background: var(--color-gray);
            padding: 40px 20px;
        }

        .checkout-box {
            max-width: 540px;
            margin: 0 auto;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--space-lg) var(--space-md);
            box-shadow: var(--shadow-md);
        }

        .checkout-box h2 {
            font-size: var(--font-2xl);
            font-weight: 800;
            text-align: center;
            margin-bottom: var(--space-sm);
        }

        .checkout-box .checkout-desc {
            text-align: center;
            font-size: var(--font-sm);
            color: var(--color-text-muted);
            margin-bottom: var(--space-lg);
        }

        /* ===== BUNDLE SELECTOR (комплекты) ===== */
        .bundle-section {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            margin-bottom: var(--space-lg);
        }

        .bundle-header {
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 0 var(--space-sm) 0;
            position: relative;
        }

        .bundle-header::before,
        .bundle-header::after {
            content: '';
            flex: 1;
            height: 1px;
            background-color: var(--color-border);
        }

        .bundle-header::before {
            margin-right: var(--space-md);
        }

        .bundle-header::after {
            margin-left: var(--space-md);
        }

        .bundle-header span {
            font-size: var(--font-xs);
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .bundle-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }

        .bundle-card {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--space-md) var(--space-md);
            background-color: var(--color-white);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            transition: var(--transition);
            position: relative;
            user-select: none;
        }

        .bundle-card:hover {
            border-color: var(--color-primary);
            background-color: var(--color-gray);
        }

        .bundle-card.selected {
            border-color: var(--color-primary);
            border-width: 2px;
            background-color: #f3faf6;
            box-shadow: var(--shadow-sm);
        }

        .bundle-card-left {
            display: flex;
            align-items: center;
            gap: var(--space-md);
        }

        /* Миниатюры флаконов внутри карточки комплекта */
        .bundle-icons-group {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            width: 56px;
            height: 44px;
            flex-shrink: 0;
        }

        .bundle-mini-img {
            width: 30px;
            height: 40px;
            object-fit: contain;
            position: absolute;
            bottom: 0;
            filter: drop-shadow(0 2px 4px rgba(13, 43, 33, 0.15));
            transition: var(--transition);
        }

        .bundle-icons-group.qty-1 .bundle-mini-img {
            left: 13px;
        }

        .bundle-icons-group.qty-2 .bundle-mini-img:nth-child(1) {
            left: 4px;
            z-index: 1;
            transform: scale(0.92);
            opacity: 0.9;
        }

        .bundle-icons-group.qty-2 .bundle-mini-img:nth-child(2) {
            left: 20px;
            z-index: 2;
        }

        .bundle-icons-group.qty-5 .bundle-mini-img:nth-child(1) {
            left: -4px;
            z-index: 1;
            transform: scale(0.8);
            opacity: 0.7;
        }

        .bundle-icons-group.qty-5 .bundle-mini-img:nth-child(2) {
            left: 6px;
            z-index: 3;
            transform: scale(0.88);
            opacity: 0.85;
        }

        .bundle-icons-group.qty-5 .bundle-mini-img:nth-child(3) {
            left: 16px;
            z-index: 5;
        }

        .bundle-icons-group.qty-5 .bundle-mini-img:nth-child(4) {
            left: 26px;
            z-index: 4;
            transform: scale(0.88);
            opacity: 0.85;
        }

        .bundle-icons-group.qty-5 .bundle-mini-img:nth-child(5) {
            left: 36px;
            z-index: 2;
            transform: scale(0.8);
            opacity: 0.7;
        }

        .radio-input-wrapper {
            width: 22px;
            height: 22px;
            border: 2px solid var(--color-border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .bundle-card.selected .radio-input-wrapper {
            border-color: var(--color-primary);
        }

        .radio-inner {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--color-primary);
            transform: scale(0);
            transition: var(--transition);
        }

        .bundle-card.selected .radio-inner {
            transform: scale(1);
        }

        .bundle-info {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .bundle-title {
            font-size: var(--font-md);
            font-weight: 700;
            color: var(--color-text);
        }

        .bundle-subtitle {
            font-size: var(--font-xs);
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .bundle-price-block {
            text-align: right;
            display: flex;
            flex-direction: column;
            gap: 2px;
            flex-shrink: 0;
        }

        .bundle-card-price {
            font-size: var(--font-md);
            font-weight: 700;
            color: var(--color-text);
        }

        .bundle-card-original {
            font-size: var(--font-xs);
            color: var(--color-text-light);
            text-decoration: line-through;
            font-weight: 500;
        }

        .bundle-badge {
            position: absolute;
            top: -10px;
            right: 16px;
            background-color: var(--color-primary);
            color: var(--color-white);
            font-size: 0.65rem;
            font-weight: 800;
            padding: 3px 10px;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
            box-shadow: var(--shadow-sm);
        }

        .bundle-badge.best-value {
            background-color: var(--color-gold);
            color: var(--color-dark);
        }

        /* Активная цена над формой */
        .order-pricing-summary {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--space-md);
            flex-wrap: wrap;
            margin-bottom: var(--space-lg);
        }

        .order-current-price {
            font-size: var(--font-2xl);
            font-weight: 800;
            color: var(--color-text);
        }

        .order-original-price {
            font-size: var(--font-lg);
            color: var(--color-text-light);
            text-decoration: line-through;
        }

        .order-discount-badge {
            background: #d6efe1;
            color: #0f6e4f;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 700;
            white-space: nowrap;
        }

        .form-group {
            margin-bottom: var(--space-md);
        }

        .form-group label {
            display: block;
            font-size: var(--font-sm);
            font-weight: 600;
            margin-bottom: var(--space-xs);
        }

        .form-group select,
        .form-group input[type="text"],
        .form-group input[type="tel"] {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: var(--font-md);
            font-family: var(--font-family);
            transition: border-color var(--transition);
            background: var(--color-white);
            color: var(--color-text);
        }

        .form-group select:focus,
        .form-group input:focus {
            outline: none;
            border-color: var(--color-primary);
        }

        .form-hint {
            font-size: var(--font-xs);
            color: var(--color-text-light);
            margin-top: var(--space-xs);
            display: none;
        }

        .field-error {
            display: none;
            margin-top: 6px;
            padding: 8px 12px;
            background-color: #fdecec;
            border: 1px solid rgba(239, 68, 68, 0.25);
            border-radius: var(--radius-sm);
            color: var(--color-red);
            font-size: var(--font-xs);
            font-weight: 600;
            line-height: 1.4;
        }

        .form-group input.input-error {
            border-color: var(--color-red);
        }

        .btn-submit {
            display: block;
            width: 100%;
            background: var(--color-primary);
            color: var(--color-white);
            text-align: center;
            padding: 18px;
            border-radius: var(--radius-sm);
            font-size: var(--font-lg);
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border: none;
            cursor: pointer;
            font-family: var(--font-family);
            transition: background var(--transition), transform var(--transition);
            margin-top: var(--space-md);
        }

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

        .btn-submit:active {
            transform: translateY(0);
        }

        /* ===== FOOTER ===== */
        .footer {
            background: var(--color-white);
            padding: var(--space-lg) 20px;
            text-align: center;
        }

        .footer p {
            font-size: var(--font-xs);
            color: var(--color-text-muted);
            margin-bottom: var(--space-xs);
            line-height: 1.6;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: var(--space-md);
            flex-wrap: wrap;
            margin-top: var(--space-md);
        }

        .footer-links a {
            font-size: var(--font-xs);
            color: var(--color-primary);
            transition: opacity var(--transition);
        }

        .footer-links a:hover {
            opacity: 0.7;
        }

        /* ===== SALES POPUP ===== */
        .sales-popup {
            position: fixed;
            top: 20px;
            left: 20px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            gap: var(--space-md);
            padding: var(--space-md);
            max-width: 320px;
            z-index: 200;
            transform: translateY(-150%);
            transition: transform 0.5s ease;
        }

        .sales-popup.show {
            transform: translateY(0);
        }

        .sales-popup img {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .sales-popup-content {
            flex: 1;
        }

        .sales-popup-title {
            font-size: var(--font-sm);
            font-weight: 700;
        }

        .sales-popup-subtitle {
            font-size: var(--font-xs);
            color: var(--color-green);
            font-weight: 500;
        }

        .sales-popup-name {
            font-size: var(--font-xs);
            color: var(--color-text-muted);
        }

        .sales-popup-time {
            font-size: 11px;
            color: var(--color-text-light);
        }

        .sales-popup-close {
            position: absolute;
            top: 8px;
            right: 10px;
            background: none;
            border: none;
            font-size: 16px;
            cursor: pointer;
            color: var(--color-text-muted);
            transition: color var(--transition);
        }

        .sales-popup-close:hover {
            color: var(--color-text);
        }

        /* ===== SCROLL REVEAL ===== */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== RESPONSIVE ===== */
        @media (min-width: 768px) {
            .header-nav {
                display: flex !important;
                position: static;
                box-shadow: none;
                padding: 0;
                gap: 0;
                background: none;
            }

            .header-nav li a {
                padding: 8px 12px;
                font-size: var(--font-xs);
            }

            .menu-toggle {
                display: none;
            }

            .product-hero {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
                align-items: start;
                max-width: 960px;
                margin: 0 auto;
                padding: var(--space-lg);
            }

            .hero-swiper {
                margin-bottom: 0;
            }

            .hero-info {
                padding-top: var(--space-md);
            }

            .walk-section {
                flex-direction: row;
                align-items: center;
                max-width: 960px;
            }

            .walk-section>* {
                flex: 1;
            }

            .features-grid {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                max-width: 960px;
            }

            .howto-steps {
                max-width: 960px;
            }

            .info-cards {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                max-width: 960px;
            }

            .reviews-slider {
                max-width: 960px;
            }

            .reviews-slide {
                min-width: 280px;
            }

            .checkout-box {
                max-width: 540px;
            }

            .rating-block {
                max-width: 500px;
            }
        }

        @media (min-width: 1024px) {
            .sec-title {
                font-size: var(--font-3xl);
            }

            .product-title {
                font-size: var(--font-3xl);
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .howto-steps {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
            }

            .info-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1440px) {
            .product-hero {
                max-width: 1100px;
            }

            .walk-section {
                max-width: 1100px;
            }

            .features-grid {
                max-width: 1100px;
            }

            .howto-steps {
                max-width: 1100px;
            }

            .reviews-slider {
                max-width: 1100px;
            }

            .info-cards {
                max-width: 1100px;
            }
        }

/* Front validation / Fedorov processing */
.form-group.has-error input { border-color: var(--color-red) !important; }
.form-group .field-error { display: none; }
.form-group.has-error .field-error { display: block; }
.btn-submit:disabled { opacity: .72; cursor: wait; }
.form-hint.is-error { display: block; color: var(--color-red); }


/* Minimal local Swiper fallback */
.swiper { position: relative; overflow: hidden; list-style: none; padding: 0; margin-left: auto; margin-right: auto; z-index: 1; }
.swiper-wrapper { position: relative; width: 100%; height: 100%; z-index: 1; display: flex; transition-property: transform; box-sizing: content-box; }
.swiper-slide { flex-shrink: 0; width: 100%; height: 100%; position: relative; display: block; }
.swiper-pagination { position: absolute; text-align: center; transition: .3s opacity; transform: translate3d(0,0,0); z-index: 10; bottom: 10px; left: 0; width: 100%; }
.swiper-pagination-bullet { width: 8px; height: 8px; display: inline-block; border-radius: 50%; margin: 0 4px; }
.swiper-button-prev, .swiper-button-next { position: absolute; top: 50%; transform: translateY(-50%); z-index: 10; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.swiper-button-prev { left: 10px; }
.swiper-button-next { right: 10px; }
.swiper-button-prev::after { content: '‹'; }
.swiper-button-next::after { content: '›'; }