:root {
    --color-bg: #FAF7F2;
    --color-surface: #FFFFFF;
    --color-primary: #8B5A2B;
    --color-primary-hover: #6F451F;
    --color-accent: #E8A96B;
    --color-accent-soft: #F3D2B3;
    --color-text: #2B2B2B;
    --color-text-light: #6B6B6B;
    --color-border: #E5DED5;
}

.product-page {
    padding: 10px 0;
}

.product-page__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

/* Галерея */

.product-gallery {
    position: sticky;
    top: 100px;
}

.product-main-image-wrapper {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 26px;
    padding: 12px;
    box-shadow: 0 18px 45px rgba(139, 90, 43, .08);
}

.product-main-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 20px;
    object-fit: cover;
    display: block;
}

.product-thumbs {
    display: flex;
    gap: 10px;
    margin-top: 14px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.product-thumb {
    width: 78px;
    height: 78px;
    flex: 0 0 78px;
    object-fit: cover;
    border-radius: 14px;
    border: 2px solid transparent;
    cursor: pointer;
    opacity: .65;
    transition: .2s ease;
    background: var(--color-surface);
}

.product-thumb:hover,
.product-thumb.active {
    opacity: 1;
    border-color: var(--color-accent);
}

/* Информация */

.product-info {
    display: flex;
    flex-direction: column;
    gap: 14px;
    height: 110%;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);

    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    
    transform: translateY(-20px);
    -webkit-transform: translateY(-20px);
    -moz-transform: translateY(-20px);
    -ms-transform: translateY(-20px);
    -o-transform: translateY(-20px);
}

.product-info__show {
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 26px;
    padding: 28px;
    box-shadow: 0 18px 45px rgba(139, 90, 43, .08);
}

.product-title {
    font-size: 34px;
    line-height: 1.15;
    font-weight: 700;
    color: var(--color-text);
}

.product-card-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.product-card-category {
    padding: 6px 11px;
    border-radius: 999px;
    background: var(--color-accent-soft);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
}

.product-rating {
    color: var(--color-accent);
    font-size: 18px;
    font-weight: 700;
}

.product-desc-show {
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-light);
}

.product-price {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-primary);
    margin-top: 4px;
}

/* Кнопки */

.product-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: 6px;
}

.product-btn {
    padding: 16px 22px;
    border-radius: 16px;
    border: none;
    background: var(--color-accent);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: .2s ease;
    width: fit-content;
}

.product-btn:hover {
    background: #d89355;
    transform: translateY(-2px);
}

.favorite__btn {
    padding: 15px 18px;
    border-radius: 16px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: .2s ease;
    width: fit-content;
}

.favorite__btn:hover {
    background: var(--color-accent-soft);
}

.favorite__btn.is-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.product-benefits {
    margin-top: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 9px;
    font-size: 14px;
    color: var(--color-text-light);
}

/* Характеристики */

.product-specs {
    margin: 32px 0 0;
    padding: 24px;
    border: 1px solid var(--color-border);
    border-radius: 24px;
    background: var(--color-surface);
    box-shadow: 0 14px 35px rgba(139, 90, 43, .06);
}

.product-specs h3,
.product-info-block h3 {
    margin-bottom: 16px;
    font-size: 22px;
    color: var(--color-text);
}

.product-spec-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 13px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 15px;
}

.product-spec-row:last-child {
    border-bottom: none;
}

.product-spec-row span {
    color: var(--color-text-light);
}

.product-spec-row strong {
    color: var(--color-text);
    text-align: right;
}

.product-info-block {
    margin-top: 18px;
    padding: 24px;
    border-radius: 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: 0 14px 35px rgba(139, 90, 43, .06);
}

.product-info-block p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Отзывы */

.review-form {
    background: var(--color-surface);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 14px 35px rgba(139, 90, 43, .07);
    border: 1px solid var(--color-border);
    margin: 32px 0;
}

.review-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
    color: var(--color-text);
}

.review-form textarea,
.review-form select {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 14px 16px;
    margin-bottom: 16px;
    font-size: 15px;
    background: #FFFCF8;
    color: var(--color-text);
    outline: none;
}

.review-form textarea:focus,
.review-form select:focus {
    border-color: var(--color-accent);
}

.review-form textarea {
    min-height: 120px;
    resize: vertical;
}

.review-upload {
    border: 2px dashed var(--color-border);
    border-radius: 18px;
    padding: 18px;
    text-align: center;
    cursor: pointer;
    background: #FFFCF8;
    transition: .2s ease;
}

.review-upload:hover {
    border-color: var(--color-accent);
    background: #FFF7EF;
}

.review-upload input {
    display: none;
}

.review-upload span {
    display: block;
    font-weight: 700;
    color: var(--color-text);
}

.review-upload small {
    display: block;
    margin-top: 4px;
    color: var(--color-text-light);
}

.review-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 14px 0 18px;
}

.review-preview img {
    width: 88px;
    height: 88px;
    object-fit: cover;
    border-radius: 16px;
    border: 1px solid var(--color-border);
}

.product-reviews {
    margin-top: 34px;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
    margin-top: 18px;
}

.review-card {
    background: var(--color-surface);
    border-radius: 24px;
    padding: 20px;
    box-shadow: 0 12px 35px rgba(139, 90, 43, .06);
    border: 1px solid var(--color-border);
}

.review-rating {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    background: #FFF4DF;
    color: #d97706;
    font-weight: 800;
    margin-bottom: 8px;
}

.review-text {
    color: var(--color-text);
    line-height: 1.5;
    margin-bottom: 10px;
}

.review-images {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin: 10px 0;
}

.review-images img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 14px;
    transition: .2s ease;
}

.review-images img:hover {
    transform: scale(1.04);
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
}

.review-avatar-img,
.review-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
}

.review-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: #fff;
    font-weight: 800;
    overflow: hidden;
}

.review-avatar-img {
    object-fit: cover;
}

.review-name {
    font-weight: 700;
    color: var(--color-text);
}

.review-date {
    font-size: 13px;
    color: var(--color-text-light);
}

.no-reviews {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 18px;
    color: var(--color-text-light);
    margin-top: 20px;
}

/* Адаптив */
@media (max-width: 768px) {
    .product-page {
        padding: 24px 0;
    }

    .product-page__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .product-gallery {
        position: static;
        width: 100%;
    }

    .product-main-image-wrapper {
        padding: 8px;
        border-radius: 22px;
    }

    .product-main-img {
        aspect-ratio: 4 / 3;
        border-radius: 18px;
    }

    .product-thumbs {
        gap: 8px;
        margin-top: 10px;
    }

    .product-thumb {
        width: 64px;
        height: 64px;
        flex: 0 0 64px;
        border-radius: 12px;
    }

    .product-info {
        padding: 20px;
        border-radius: 22px;
        gap: 12px;
    }

    .product-title {
        font-size: 25px;
        line-height: 1.2;
    }

    .product-desc-show {
        font-size: 14px;
        line-height: 1.5;
    }

    .product-price {
        font-size: 27px;
    }

    .product-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .product-btn,
    .favorite__btn {
        width: 100%;
        min-height: 52px;
    }

    .product-specs,
    .product-info-block,
    .review-form {
        padding: 20px;
        border-radius: 22px;
    }

    .product-spec-row {
        flex-direction: column;
        gap: 5px;
        padding: 12px 0;
    }

    .product-spec-row strong {
        text-align: left;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 420px) {
    .product-page {
        padding: 18px 0;
    }

    .product-main-img {
        aspect-ratio: 1 / 1;
    }

    .product-info {
        padding: 18px;
    }

    .product-title {
        font-size: 23px;
    }

    .product-price {
        font-size: 25px;
    }

    .product-card-category {
        font-size: 11px;
        padding: 5px 9px;
    }

    .product-benefits {
        font-size: 13px;
    }

    .product-specs,
    .product-info-block,
    .review-form,
    .review-card {
        padding: 18px;
        border-radius: 20px;
    }

    .review-images {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 340px) {
    .product-title {
        font-size: 21px;
    }

    .product-thumb {
        width: 58px;
        height: 58px;
        flex-basis: 58px;
    }

    .product-btn,
    .favorite__btn {
        font-size: 13px;
        padding: 14px;
    }
}

.similar-products {
    margin-top: 70px;
    padding-bottom: 50px;
}

.similar-products__head {
    margin-bottom: 28px;
}

.similar-products__head h2 {
    font-size: 34px;
    margin-bottom: 8px;
}

.similar-products__head p {
    font-size: 16px;
    color: #444;
}

.similar-products__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.similar-card {
    display: block;
    text-decoration: none;
    color: #111;
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 12px 35px rgba(0,0,0,.06);
    transition: .25s ease;
}

.similar-card:hover {
    transform: translateY(-4px);
}

.similar-card__image {
    height: 230px;
    background: #f7f7f7;
    display: flex;
    align-items: center;
    justify-content: center;
}

.similar-card__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 22px;
}

.similar-card__body {
    padding: 20px;
}

.similar-card__body h3 {
    font-size: 18px;
    margin-bottom: 16px;
}

.similar-card__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.similar-card__meta span {
    color: #555;
    font-size: 15px;
}

.similar-card__meta strong {
    font-size: 22px;
    font-weight: 800;
}

@media (max-width: 992px) {
    .similar-products__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 540px) {
    .similar-products__grid {
        grid-template-columns: 1fr;
    }
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 14px;
    color: #777;
}

.breadcrumbs a {
    color: #777;
    text-decoration: none;
    transition: .2s;
}

.breadcrumbs a:hover {
    color: var(--accent);
}

.breadcrumbs-current {
    color: #222;
    font-weight: 600;
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 14px;
    color: #777;
}

.breadcrumbs a {
    color: #777;
    text-decoration: none;
    transition: .2s;
}

.breadcrumbs a:hover {
    color: var(--accent);
}

.breadcrumbs-current {
    color: #222;
    font-weight: 600;
}