/*
 * Страница товара и горизонтальные ленты товаров.
 * Отдельный файл, а не SCSS в main.min.css: main.min.css не хранится в git
 * и на проде не пересобирается при деплое.
 * Размеры в rem, как и во всём сайте: 1rem = 0.626vw на десктопе и 12px на мобильных.
 */

.product-page {
    --pp-text: #383838;
    --pp-text-muted: color-mix(in srgb, #FFFFFF 40%, #383838 60%);
    --pp-surface: #FFFFFF;
    --pp-border: color-mix(in srgb, #FFFFFF 90%, #383838 10%);
    --pp-accent: #FFE600;
    --pp-sale: #ED1C24;
    --pp-success: #0A9A0A;
    --pp-sticky-top: 12rem;
    color: var(--pp-text);
}

.product-page__container {
    margin: 0 10rem;
}

.product-page__breadcrumbs {
    margin-bottom: 2rem;
}

.product-page__layout {
    display: grid;
    /* Колонка фото не шире, чем позволяет высота экрана: фото, миниатюры и цена видны сразу без прокрутки */
    grid-template-columns: min(48%, calc((100vh - 36rem) * 0.8)) minmax(0, 1fr);
    gap: 5rem;
    align-items: start;
}

/* ---------- Галерея ---------- */

.product-page__gallery {
    min-width: 0;
}

/*
 * У main в общих стилях overflow-x: hidden, из-за чего он становится контейнером прокрутки
 * и position: sticky отсчитывается от него, а не от окна. overflow-x: clip обрезает так же,
 * но контейнер прокрутки не создаёт. В браузерах без clip фото просто не залипает.
 */
@supports (overflow-x: clip) {
    main {
        overflow-x: clip;
    }

    .product-page__gallery {
        position: sticky;
        top: var(--pp-sticky-top);
    }
}

.product-page__gallery-main {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 2rem;
    background: var(--pp-surface);
}

.product-page__photo {
    position: relative;
    display: flex;
    width: 100%;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    cursor: zoom-in;
}

.product-page__photo span {
    position: absolute;
    inset: -2rem;
    background-size: cover;
    background-position: center;
    filter: blur(24px);
    opacity: .35;
    pointer-events: none;
}

.product-page__photo img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-page__gallery-main .swiper-button-next,
.product-page__gallery-main .swiper-button-prev {
    width: 4.5rem;
    height: 4.5rem;
    margin-top: -2.25rem;
    border-radius: 50%;
    color: var(--pp-text);
    background: rgba(255, 255, 255, .85);
    box-shadow: 0 .25rem 1.5rem rgba(0, 0, 0, .12);
    opacity: 0;
    transition: opacity .2s ease;
}

.product-page__gallery-main:hover .swiper-button-next,
.product-page__gallery-main:hover .swiper-button-prev {
    opacity: 1;
}

.product-page__gallery-main .swiper-button-next::after,
.product-page__gallery-main .swiper-button-prev::after {
    content: none;
}

.product-page__gallery-main .swiper-button-disabled {
    opacity: 0 !important;
}

.product-page__gallery-thumbs {
    margin-top: 1rem;
    overflow: hidden;
}

.product-page__gallery-thumbs .swiper-slide {
    width: 7rem;
    cursor: pointer;
}

.product-page__thumb {
    display: flex;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    border: 2px solid transparent;
    border-radius: 1rem;
    background: var(--pp-surface);
    opacity: .7;
    transition: opacity .2s ease, border-color .2s ease;
}

.product-page__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-page__gallery-thumbs .swiper-slide-thumb-active .product-page__thumb {
    border-color: var(--pp-accent);
    opacity: 1;
}

/* ---------- Информация о товаре ---------- */

.product-page__info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    min-width: 0;
}

/* На десктопе блок покупки "растворяется", и его части встают в общий порядок колонки */
.product-page__buy {
    display: contents;
}

.product-page__heading { order: 1; }
.product-page__price-row { order: 2; }
.product-page__cashback { order: 3; }
.product-page__notice { order: 4; }
.product-page__buttons { order: 5; }
.product-page__chips { order: 6; }
.product-page__shop { order: 7; }
.product-page__links { order: 8; }
.product-page__details { order: 9; }

.product-page__heading {
    display: flex;
    flex-direction: column;
    gap: .75rem;
}

.product-page__brand {
    width: fit-content;
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--pp-text-muted);
    text-decoration: none;
    transition: color .2s ease;
}

.product-page__brand:hover {
    color: var(--pp-text);
}

.product-page__title {
    margin: 0;
    font-size: 3.25rem;
    font-weight: 500;
    line-height: 115%;
    letter-spacing: -0.03em;
    word-break: break-word;
}

.product-page__price-row {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: .5rem 1.25rem;
}

.product-page__price {
    font-size: 4.5rem;
    font-weight: 600;
    line-height: 100%;
    letter-spacing: -0.03em;
    white-space: nowrap;
}

.product-page__price-old {
    font-size: 2rem;
    color: var(--pp-text-muted);
    text-decoration: line-through;
    white-space: nowrap;
}

.product-page__discount {
    align-self: center;
    padding: .25rem .75rem;
    border-radius: .75rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: #FFFFFF;
    background: var(--pp-sale);
}

.product-page__cashback {
    display: flex;
    align-items: center;
    gap: .75rem;
    width: fit-content;
    margin-top: -.75rem;
    padding: .5rem 1rem;
    border-radius: .75rem;
    font-size: 1.5rem;
    color: var(--pp-success);
    background: color-mix(in srgb, #FFFFFF 92%, #0BD20B 8%);
}

.product-page__cashback svg {
    flex-shrink: 0;
}

.product-page__notice {
    padding: 1.25rem 1.5rem;
    border-radius: 1.25rem;
    font-size: 1.5rem;
    line-height: 130%;
    color: #856404;
    background: #FFF3CD;
}

.product-page__notice strong {
    display: block;
    margin-bottom: .25rem;
}

.product-page__buttons {
    display: flex;
    gap: 1rem;
}

.product-page__buttons > .button {
    flex: 1;
    max-width: 40rem;
}

.product-page__chips {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.product-page__chip {
    display: flex;
    flex-direction: column;
    gap: .25rem;
    padding: 1rem 1.5rem;
    border-radius: 1.25rem;
    font-size: 1.75rem;
    font-weight: 500;
    background: var(--pp-surface);
}

.product-page__chip span {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--pp-text-muted);
}

.product-page__shop {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-radius: 1.25rem;
    font-size: 1.5rem;
    line-height: 130%;
    background: var(--pp-surface);
}

.product-page__shop svg {
    flex-shrink: 0;
    margin-top: .1rem;
    color: var(--pp-text-muted);
}

.product-page__shop span {
    display: block;
    color: var(--pp-text-muted);
}

.product-page__links {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem 2rem;
}

.product-page__details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--pp-border);
}

.product-page__subtitle {
    margin: 1rem 0 0;
    font-size: 2.25rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.product-page__specs {
    display: flex;
    flex-direction: column;
    margin: 0;
}

.product-page__specs > div {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    padding: 1rem 0;
    border-bottom: 1px dashed var(--pp-border);
    font-size: 1.5rem;
}

.product-page__specs dt {
    color: var(--pp-text-muted);
}

.product-page__specs dd {
    margin: 0;
    text-align: right;
    font-weight: 500;
}

.product-page__description-text {
    font-size: 1.5rem;
    line-height: 150%;
    color: color-mix(in srgb, #FFFFFF 20%, #383838 80%);
    overflow-wrap: anywhere;
}

.product-page__description-text p {
    margin: 0 0 .75rem;
}

.product-page__description[data-state="collapsed"] .product-page__description-text {
    max-height: 18em;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(to bottom, #000 70%, transparent);
    mask-image: linear-gradient(to bottom, #000 70%, transparent);
}

.product-page__description[data-state="full"] .product-page__more {
    display: none;
}

.product-page__more {
    margin-top: .75rem;
    padding: 0;
    border: 0;
    background: none;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: .25em;
}

/* ---------- Горизонтальная лента товаров ---------- */

.products-rail {
    --rail-gap: 1.75rem;
    --rail-side: 10rem;
    padding: 6rem 0 1rem;
}

.products-rail__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    margin: 0 var(--rail-side) 2rem;
}

.products-rail__title {
    margin: 0;
    font-size: 3.5rem;
    font-weight: 500;
    line-height: 110%;
    letter-spacing: -0.03em;
}

.products-rail__controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.products-rail__controls .link {
    margin-right: 1rem;
    white-space: nowrap;
}

.products-rail__arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4.5rem;
    height: 4.5rem;
    padding: 0;
    border: 0;
    border-radius: 50%;
    color: #383838;
    background: #FFFFFF;
    cursor: pointer;
    transition: background-color .2s ease, opacity .2s ease;
}

.products-rail__arrow:hover:not(:disabled) {
    background: #FFE600;
}

.products-rail__arrow:disabled {
    opacity: .35;
    cursor: default;
}

.products-rail__track {
    display: grid;
    grid-auto-flow: column;
    /* Видно пять с половиной карточек: обрезанная карточка подсказывает, что ленту можно листать */
    grid-auto-columns: calc((100% - 5 * var(--rail-gap)) / 5.4);
    gap: var(--rail-gap);
    padding: 0 var(--rail-side) 1rem;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scroll-padding: 0 var(--rail-side);
    scrollbar-width: none;
}

.products-rail__track::-webkit-scrollbar {
    display: none;
}

.products-rail__item {
    min-width: 0;
    scroll-snap-align: start;
}

/* ---------- Мобильная версия ---------- */

@media (max-width: 768px) {
    /* Место в самом низу страницы под закреплённую панель с ценой и кнопкой */
    body {
        padding-bottom: calc(8rem + env(safe-area-inset-bottom));
    }

    .product-page__container {
        margin: 0 1.25rem;
    }

    .product-page__breadcrumbs {
        margin-bottom: 1rem;
    }

    .product-page__layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 2rem;
    }

    .product-page__gallery {
        position: static;
    }

    .product-page__gallery-main {
        border-radius: 1.5rem;
    }

    /* Фото не выше половины экрана, чтобы под ним сразу было видно название и характеристики */
    .product-page__photo {
        aspect-ratio: auto;
        height: min(100vw, 45vh);
    }

    .product-page__gallery-main .swiper-button-next,
    .product-page__gallery-main .swiper-button-prev {
        display: none;
    }

    .product-page__gallery-thumbs .swiper-slide {
        width: 4.5rem;
    }

    .product-page__thumb {
        border-radius: .75rem;
    }

    .product-page__info {
        gap: 1.5rem;
    }

    .product-page__brand {
        font-size: 1.5rem;
    }

    .product-page__title {
        font-size: 2.25rem;
    }

    /* Цена и кнопка покупки закреплены внизу экрана */
    .product-page__buy {
        position: fixed;
        z-index: 15;
        right: 0;
        bottom: 0;
        left: 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        padding: 1rem 1.25rem calc(1rem + env(safe-area-inset-bottom));
        border-radius: 1.5rem 1.5rem 0 0;
        background: #FFFFFF;
        box-shadow: 0 -.25rem 2rem rgba(0, 0, 0, .08);
    }

    .product-page__price-row {
        flex-direction: column;
        align-items: flex-start;
        flex-wrap: nowrap;
        gap: .25rem;
    }

    .product-page__price {
        font-size: 2.5rem;
    }

    .product-page__price-old {
        font-size: 1.25rem;
    }

    .product-page__discount {
        display: none;
    }

    .product-page__buttons {
        flex: 1;
        justify-content: flex-end;
    }

    .product-page__buttons > .button {
        max-width: 22rem;
    }

    .product-page__cashback {
        margin-top: 0;
        font-size: 1.25rem;
    }

    .product-page__notice,
    .product-page__shop,
    .product-page__specs > div,
    .product-page__description-text {
        font-size: 1.25rem;
    }

    .product-page__chip {
        padding: .75rem 1.25rem;
        font-size: 1.5rem;
    }

    .product-page__chip span {
        font-size: 1.1rem;
    }

    .product-page__subtitle {
        font-size: 1.75rem;
    }

    .products-rail {
        --rail-gap: .5rem;
        --rail-side: 1.25rem;
        padding-top: 3rem;
    }

    .products-rail__title {
        font-size: 2.25rem;
    }

    .products-rail__arrow {
        display: none;
    }

    .products-rail__controls .link {
        margin-right: 0;
    }

    .products-rail__track {
        grid-auto-columns: 44%;
    }
}

/* Отступ от шапки: общий margin-title (5rem и 9rem на мобильных) оставляет слишком много пустоты */
.product-page.margin-title {
    padding-top: 1.5rem;
}

@media (max-width: 768px) {
    /* На мобильных шапка фиксированная, высотой 6rem: оставляем под ней небольшой зазор */
    .product-page.margin-title {
        padding-top: 7.5rem;
    }
}