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

/* Убираем focus-visible рамку у всех элементов */
*:focus {
    outline: none;
}

*:focus-visible {
    outline: none;
    box-shadow: none;
}

/* Для ссылок и кнопок */
a:focus, 
a:focus-visible,
button:focus,
button:focus-visible,
.material-card:focus,
.material-card:focus-visible,
.nav-btn:focus,
.nav-btn:focus-visible {
    outline: none;
    box-shadow: none;
}



.breadcrumbs {
    margin-bottom: 2rem;
}

.breadcrumbs-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
}

.breadcrumbs-item {
    display: inline-flex;
    align-items: center;
    font-size: 0.9rem;
}

.breadcrumbs-item a {
    color: #a0a8b2;
    text-decoration: none;
    transition: color 0.2s ease;
    font-weight: 400;
}

.breadcrumbs-item a:hover {
    color: #7a8492;
    text-decoration: underline;
}

.breadcrumbs-item span.current {
    color: #182333;
    font-weight: 700;
    text-transform: uppercase;
}

.breadcrumbs-separator {
    margin: 0 0.35rem;
    color: #cbd2d9;
}

.section-header {
    margin-bottom: 5rem;
    text-align: left;
}
.catalog-preview {
    margin-bottom: 7rem;
    margin-top: 4rem;
}

.section-sup {
    font-size: 2.8rem;
    font-weight: 800;
    color: #182333;
    letter-spacing: -0.01em;
    line-height: 1.1;
    text-transform: uppercase;
    display: block;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: #182333;
    letter-spacing: -0.01em;
    line-height: 1.1;
    text-transform: uppercase;
    display: block;
}

@media (max-width: 768px) {
    .section-sup, .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .section-sup, .section-title {
        font-size: 1.8rem;
    }
}

.carousel-section {
    margin-bottom: 2.5rem;
    position: relative;
}

.swiper {
    width: 100%;
    overflow: hidden;
    padding: 4px 0;
}

.swiper-wrapper {
    display: flex;
    align-items: stretch;
}

.swiper-slide {
    height: auto;
    width: auto;
}

/* Стиль для пустого слайда-заглушки на десктопе */
.swiper-slide-placeholder {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

.swiper-slide-placeholder .material-card {
    opacity: 0;
    cursor: default;
}

.material-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background-color: #f3f5f8;
    border-radius: 15px;
    padding: 8px 16px 8px 12px;
    height: 100%;
    min-height: 80px;
    transition: background-color 0.2s ease;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.material-card:hover {
    background-color: #e6e9ef;
}

.material-card.active {
    background: linear-gradient(to right, #174a75, #2271B3);
}

.material-card.active .card-info h4 {
    color: white;
}

.card-img {
    flex-shrink: 0;
    width: 54px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: transparent;
}

.card-img img {
    width: auto;
    height: 100%;
    object-fit: contain;
    display: block;
}

.card-info h4 {
    font-size: clamp(0.7rem, 2.5cqi, 1rem);
    font-weight: 700;
    color: #182333;
    margin-bottom: 0;
    transition: color 0.2s ease;
    line-height: normal;
    text-transform: uppercase;
}

.card-info {
    container-type: inline-size;
}

.carousel-nav-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 1.5rem;
    margin-bottom: 0.25rem;
}

.nav-btn {
    background-color: #f0f2f5;
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s;
    outline: none;
    padding: 0;
}

.nav-btn svg {
    width: 24px;
    height: 24px;
    stroke: #182333;
    stroke-width: 2;
    fill: none;
    transition: stroke 0.2s;
}

.nav-btn:hover {
    background-color: #2271B3;
}

.nav-btn:hover svg {
    stroke: white;
}

.product-main {
    margin: 2rem 0 2.5rem;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.product-left h1 {
    font-size: 3.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: #182333;
    text-transform: uppercase;
}

.product-left .short-desc {
    font-size: 1.3rem;
    color: #182333;
    line-height: 1.5;
    font-weight: 500;
    text-transform: uppercase;
}

.product-center {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 800px;
    overflow: visible;
}

.parallax-bottle {
    display: inline-block;
    transition: transform 0.08s linear;
    will-change: transform;
}

.bottle-image {
    width: auto;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.bottle-image img {
    height: 100%;
    width: auto;
    display: block;
    pointer-events: none;
    border-radius: 20px;
    object-fit: contain;
}

@media (max-width: 1200px) {
    .bottle-image {
        height: 420px;
    }
}

@media (max-width: 992px) {
    .bottle-image {
        height: 350px;
    }
}

@media (max-width: 768px) {
    .bottle-image {
        height: 280px;
    }
}

@media (max-width: 576px) {
    .bottle-image {
        height: 220px;
    }
}

/* ОБЩИЙ КОНТЕЙНЕР ДЛЯ ПРАВОЙ КОЛОНКИ (синий квадрат + преимущества) */
.product-right-col {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.product-right {
    background: linear-gradient(to right, #174a75, #2271B3);
    border-radius: 15px;
    padding: 1.8rem 1.6rem;
    color: white;
}

.product-right h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #fff;
    text-transform: uppercase;
}

.product-right .feature-text {
    font-size: 0.95rem;
    line-height: 1.45;
    opacity: 0.92;
    margin-bottom: 1rem;
}

/* БЛОК ПРЕИМУЩЕСТВ ПОД СИНИМ КВАДРАТОМ */
.advantages-block {
    background: transparent;
    width: 100%;
}

.advantages-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.advantages-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 1.1rem;
    font-weight: 700;
    color: #182333;
    line-height: 1.4;
}

.advantages-list li::before {
    content: "—";
    font-weight: 700;
    color: #2271B3;
    font-size: 1.3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ПЕРЕРАБОТАННЫЙ СЕРЫЙ КВАДРАТ С ТРЕМЯ КОЛОНКАМИ */
.nutrition-wrapper {
    margin-top: 5rem;
    margin-bottom: 5rem;
    display: flex;
    align-items: stretch;
    gap: 2rem;
    flex-wrap: wrap;
}

.nutrition-section {
    background-color: #f5f7fa;
    border-radius: 15px;
    padding: 2rem;
    flex: 2;
}

.nutrition-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.5rem;
}

.nutrition-col h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #182333;
    margin-bottom: 0.75rem;
    letter-spacing: -0.2px;
}

.nutrition-col p {
    font-size: 0.9rem;
    line-height: 1.55;
    color: #2c3e44;
    margin-bottom: 0.4rem;
}

.nutrition-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nutrition-col ul li {
    font-size: 0.9rem;
    line-height: 1.55;
    color: #2c3e44;
    margin-bottom: 0.25rem;
}

.nutrition-col .spec-list {
    margin-top: 0.25rem;
}

.download-link-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;    /* элементы друг под другом */
    justify-content: center;   /* выравнивание по вертикали (по центру) */
    /* align-items: center;     если нужно и по горизонтали центрировать */
}

.download-link {
    display: inline-block;
    background: none;
    font-size: 1rem;
    font-weight: 500;
    color: #182333;
    text-decoration: none;
    padding: 0.5rem 0;
    transition: color 0.2s ease;
    font-family: inherit;
    white-space: nowrap;
    border: none;
    cursor: pointer;
}

.download-link:hover {
    color: #2271B3;
    text-decoration: underline;
}

@media (max-width: 1100px) {
    .product-grid {
        gap: 1.5rem;
    }
    .product-left h1 {
        font-size: 2.6rem;
    }
    .container {
        padding: 2rem 1.5rem 3rem;
    }
}

@media (max-width: 900px) {
    .product-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
    .product-right-col {
        grid-column: span 2;
    }
    .product-left h1 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1.5rem 1.25rem 2rem;
    }
    .breadcrumbs {
        margin-bottom: 1.5rem;
    }
    .section-header {
        margin-bottom: 1.5rem;
    }
    .product-left .short-desc {
        max-width: 100%;
    }
    .carousel-nav-buttons {
        justify-content: center;
    }
    .download-link {
        font-size: 1.1rem;
        white-space: normal;
        text-align: center;
    }
    .nutrition-wrapper {
        flex-direction: column;
        align-items: stretch;
        gap: 1.2rem;
    }
    .download-link-wrapper {
        justify-content: center;
        margin-top: 0;
        order: 2;
    }
    .nutrition-section {
        order: 1;
    }
    .product-right {
        padding: 1.5rem;
    }
    .product-right h3 {
        font-size: 1.4rem;
    }
    .nutrition-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
    .advantages-list li {
        font-size: 1rem;
    }
}

@media (max-width: 640px) {
    .product-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.8rem;
    }
    .product-left {
        text-align: center;
    }
    .product-left .short-desc {
        margin: 0 auto;
    }
    .product-right-col {
        grid-column: span 1;
    }
    .product-left h1 {
        font-size: 2rem;
    }
    .nutrition-section {
        padding: 1.5rem;
    }
    .nutrition-grid {
        gap: 1rem;
    }
    .card-info h4 {
        font-size: clamp(0.5rem, 2.5cqi, 0.85rem);
    }
    .card-img {
        width: 46px;
        height: 46px;
    }
    .material-card {
        padding: 6px 12px 6px 10px;
        min-height: 70px;
        gap: 10px;
    }
    .advantages-list li {
        justify-content: flex-start;
        text-align: left;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1.2rem 1rem 1.8rem;
    }
    .product-left h1 {
        font-size: 1.8rem;
    }
    .product-right {
        padding: 1.2rem;
    }
    .nutrition-section {
        padding: 1.2rem;
    }
    .card-info h4 {
        font-size: clamp(0.5rem, 2.5cqi, 0.8rem);
    }
    .card-img {
        width: 42px;
        height: 42px;
    }
    .material-card {
        padding: 5px 10px 5px 8px;
        gap: 8px;
    }
    .nav-btn {
        width: 42px;
        height: 42px;
    }
    .nav-btn svg {
        width: 20px;
        height: 20px;
    }
    .advantages-list li {
        font-size: 0.9rem;
        gap: 10px;
    }
}


/* ---------- СЕКЦИЯ 1: 2 КОЛОНКИ ---------- */
        .catalog-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            margin: 0 auto;
            padding: 0;
            width: 100%;
            gap: 5rem 0rem;
            margin-bottom: 7rem;
        }

        .catalog-item {
            width: calc(50% - 1.5rem);
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 0 0.5rem 0 0.5rem;
            background: transparent;
            box-shadow: none;
            border: none;
        }

        /* Стили для заголовков в секции с 2 колонками */
        .catalog-item .product-name {
            font-size: 1.8rem;
            font-weight: 800;
            color: #182333;
            line-height: 1.2;
            margin-bottom: 1.8rem;
            letter-spacing: -0.01em;
            text-transform: uppercase;
            text-align: center;
            width: 58%;
        }

        /* ---------- СЕКЦИЯ 2: 3 КОЛОНКИ ---------- */
        .catalog-grid-three {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            margin: 0 auto;
            padding: 0;
            width: 100%;
            gap: 5rem 2rem;
        }

        .catalog-item-three {
            width: calc(33.333% - 1.35rem);
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 0 0.5rem 0 0.5rem;
            background: transparent;
            box-shadow: none;
            border: none;
        }

        /* Стили для заголовков в секции с 3 колонками */
        .catalog-item-three .product-name {
            font-size: 1.8rem;
            font-weight: 800;
            color: #182333;
            line-height: 1.2;
            margin-bottom: 1.8rem;
            letter-spacing: -0.01em;
            text-transform: uppercase;
            text-align: center;
            width: 80%;
        }

        /* ---------- ОБЩИЕ СТИЛИ ДЛЯ КАРТОЧЕК ---------- */
        .product-image {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 1.2rem;
            max-height: 300px;
            overflow: visible;
            transition: transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            will-change: transform;
        }

        .product-image img {
            height: auto;
            max-height: 300px;
            width: auto;
            max-width: 100%;
            object-fit: contain;
            display: block;
        }

        .catalog-item:hover .product-image,
        .catalog-item-three:hover .product-image {
            transform: translateY(-10px);
        }

        .product-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
            width: 100%;
        }

        .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1rem;
    font-family: 'Open Sans', sans-serif;
    font-weight: 500;
    font-size: 0.7rem;
    line-height: 1.2;
    text-decoration: none;
    border: none;
    border-radius: 60px;
    cursor: pointer;
    transition: opacity 0.25s ease;
    color: white !important;
    text-align: center;
    white-space: nowrap;
    text-transform: uppercase;
}

        .btn-details {
            background: linear-gradient(95deg, #2271B3 0%, #174a75 100%);
        }

        .btn-details:hover {
            opacity: 0.85;
        }

        .btn-download {
            background: linear-gradient(95deg, #2c3e44 0%, #1a2529 100%);
        }

        .btn-download:hover {
            opacity: 0.85;
        }

        /* Убираем фокус-рамки */
        .btn:focus,
        .btn:focus-visible,
        .catalog-item:focus,
        .catalog-item:focus-visible,
        .catalog-item-three:focus,
        .catalog-item-three:focus-visible {
            outline: none;
            box-shadow: none;
        }

        /* ---------- АДАПТИВНОСТЬ ---------- */
        @media (max-width: 900px) {
            .catalog-grid {
                gap: 3rem 1rem;
                margin-bottom: 5rem;
            }
            .catalog-item {
                width: calc(50% - 1rem);
            }
            .catalog-grid-three {
                gap: 3rem 0rem;
            }
            .catalog-item-three {
                width: calc(33.333% - 1rem);
            }
            .catalog-item .product-name {
                font-size: 1.5rem;
                margin-bottom: 1.4rem;
                width: 70%;
            }
            .catalog-item-three .product-name {
                font-size: 1.5rem;
                margin-bottom: 1.4rem;
                width: 85%;
            }
            .btn {
                padding: 0.7rem 1.4rem;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .catalog-grid {
                gap: 2rem 1.5rem;
                margin-bottom: 4rem;
            }
            .catalog-item {
                width: calc(50% - 0.75rem);
            }
            .catalog-grid-three {
                gap: 2rem 1.5rem;
            }
            .catalog-item-three {
                width: calc(50% - 0.75rem);
            }
            .catalog-item .product-name {
                font-size: 1.4rem;
                width: 80%;
            }
            .catalog-item-three .product-name {
                font-size: 1.4rem;
                width: 90%;
            }
            .btn {
                padding: 0.6rem 1.2rem;
                font-size: 0.8rem;
            }
            .product-image {
                max-height: 260px;
            }
            .product-image img {
                max-height: 260px;
            }
            .catalog-item:hover .product-image,
            .catalog-item-three:hover .product-image {
                transform: translateY(-7px);
            }
        }

        @media (max-width: 640px) {
            .catalog-grid {
                gap: 2rem;
                margin-bottom: 3rem;
            }
            .catalog-item {
                width: 100%;
            }
            .catalog-grid-three {
                gap: 2rem;
            }
            .catalog-item-three {
                width: 100%;
            }
            .catalog-item .product-name {
                font-size: 1.6rem;
                width: 70%;
            }
            .catalog-item-three .product-name {
                font-size: 1.6rem;
                width: 80%;
            }
            .btn {
                padding: 0.7rem 1.5rem;
                font-size: 0.9rem;
            }
            .product-image {
                max-height: 280px;
            }
            .product-image img {
                max-height: 280px;
            }
            .catalog-item:hover .product-image,
            .catalog-item-three:hover .product-image {
                transform: translateY(-6px);
            }
        }

        @media (max-width: 480px) {
            .catalog-item .product-name {
                font-size: 1.4rem;
                width: 85%;
            }
            .catalog-item-three .product-name {
                font-size: 1.4rem;
                width: 90%;
            }
            .btn {
                padding: 0.6rem 1.2rem;
                font-size: 0.8rem;
            }
            .product-buttons {
                gap: 0.8rem;
            }
            .product-image {
                max-height: 240px;
            }
            .product-image img {
                max-height: 240px;
            }
        }

        @media (max-width: 400px) {
            .btn {
                padding: 0.5rem 1rem;
                font-size: 0.75rem;
            }
            .catalog-item .product-name {
                font-size: 1.3rem;
                width: 90%;
            }
            .catalog-item-three .product-name {
                font-size: 1.3rem;
                width: 95%;
            }
        }