/* Product detail page: premium calm layout */

.product-page {
    background: #ffffff;
}

.breadcrumb-custom {
    background: transparent;
    padding: 0;
}

.breadcrumb-custom .breadcrumb-item a {
    color: #64748b;
    text-decoration: none;
}

.breadcrumb-custom .breadcrumb-item.active {
    color: #0f172a;
}

.product-gallery-card,
.product-summary-card,
.content-card {
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 28px;
    box-shadow: 0 24px 56px rgba(15, 23, 42, 0.08);
}

.product-gallery-card {
    padding: 1rem;
}

.product-gallery {
    position: sticky;
    top: 24px;
}

.main-image {
    width: 100%;
    height: 620px;
    object-fit: cover;
    border-radius: 22px;
    margin-bottom: 1rem;
    cursor: zoom-in;
    background: #f8fafc;
}

.product-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4.25rem;
}

.product-thumbnails {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.thumbnail-button {
    padding: 0;
    border: 0;
    background: transparent;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.06);
    transition: box-shadow 0.18s ease, transform 0.18s ease;
}

.thumbnail-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.12);
}

.thumbnail-button.active {
    box-shadow: 0 0 0 1px rgba(148, 163, 184, 0.65);
}

.thumbnail {
    width: 88px;
    height: 88px;
    object-fit: cover;
    display: block;
    border-radius: 18px;
}

.product-summary-card {
    padding: 1.6rem;
}

.section-heading-sm {
    color: #64748b;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 600;
}

.product-title {
    font-size: clamp(2rem, 3.5vw, 3.4rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: #0f172a;
}

.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.product-meta-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.42rem 0.82rem;
    border-radius: 999px;
    background: #f1f5f9;
    color: #334155;
    font-size: 0.8rem;
    font-weight: 500;
}

.price-section {
    padding: 1.35rem;
    border-radius: 24px;
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.product-price-block__prices {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.75rem;
}

.product-price-block__old-price {
    font-size: 1rem;
    color: #94a3b8;
    text-decoration: line-through;
}

.product-price-block__current-price {
    font-size: clamp(1.9rem, 3.4vw, 3rem);
    line-height: 1;
    font-weight: 600;
    color: #0f172a;
    letter-spacing: -0.04em;
}

.product-price-block__current-price--discount {
    color: #dc2626;
}

.product-price-block__note {
    margin-top: 0.55rem;
    color: #64748b;
    font-size: 0.92rem;
}

.product-stock {
    margin-top: 0.75rem;
    font-size: 0.92rem;
    font-weight: 600;
}

.variants-grid {
    display: grid;
    gap: 0.65rem;
}

.variant-card {
    position: relative;
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    align-items: center;
    gap: 0.8rem;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 18px;
    padding: 0.65rem 0.8rem;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
    cursor: pointer;
    background: #fff;
}

.variant-card:hover {
    border-color: rgba(15, 23, 42, 0.18);
    box-shadow: 0 16px 34px rgba(15, 23, 42, 0.08);
    transform: translateY(-1px);
}

.variant-card.selected {
    border-color: #111827;
    background: #f8fafc;
}

.variant-card__image-wrap {
    align-self: stretch;
}

.variant-card__image {
    display: block;
    width: 72px;
    height: 72px;
    border-radius: 14px;
    object-fit: cover;
    background: #f1f5f9;
}

.variant-card__image--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
}

.variant-card__content {
    min-width: 0;
}

.variant-card__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.variant-card__name {
    font-weight: 600;
    color: #0f172a;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.variant-card__stock {
    flex: 0 0 auto;
    font-size: 0.74rem;
    font-weight: 600;
}

.variant-card__meta {
    display: flex;
    gap: 0.45rem;
    margin-top: 0.22rem;
    overflow: hidden;
    color: #64748b;
    font-size: 0.78rem;
    white-space: nowrap;
}

.variant-card__meta span:not(:last-child)::after {
    content: "·";
    margin-left: 0.45rem;
    color: #cbd5e1;
}

.variant-card__price {
    display: flex;
    align-items: baseline;
    gap: 0.45rem;
    margin-top: 0.3rem;
}

.variant-card__old-price {
    color: #94a3b8;
    font-size: 0.82rem;
    text-decoration: line-through;
}

.variant-card__current-price {
    font-weight: 700;
    color: #111827;
}

.variant-card__selected-mark {
    position: absolute;
    right: 0.65rem;
    bottom: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 999px;
    background: #111827;
    color: #fff;
    font-size: 0.85rem;
}

.product-actions .shop-btn {
    min-height: 54px;
    font-size: 0.98rem;
}

.product-benefits {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
}

.product-benefit {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 58px;
    text-align: center;
    border-radius: 18px;
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.05);
    color: #334155;
    padding: 0.75rem 0.9rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.product-benefit i {
    flex: 0 0 auto;
    font-size: 1.05rem;
    color: #0f172a;
}

.content-card {
    height: 100%;
}

.section-heading {
    padding: 1.35rem 1.35rem 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: #0f172a;
}

.content-card__body {
    padding: 1.1rem 1.35rem 1.35rem;
}

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

.attribute-item {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 0.4rem;
    padding: 0.78rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.attribute-item:last-child {
    border-bottom: none;
}

.attribute-name {
    font-weight: 600;
    color: #334155;
}

.attribute-separator {
    color: #94a3b8;
}

.attribute-value {
    color: #0f172a;
    text-align: left;
}

.related-section .h3 {
    letter-spacing: -0.02em;
    color: #0f172a;
}

@media (max-width: 991.98px) {
    .product-gallery {
        position: static;
    }

    .main-image {
        height: 500px;
    }
}

@media (max-width: 767.98px) {
    .product-gallery-card,
    .product-summary-card,
    .content-card {
        border-radius: 22px;
        box-shadow: 0 18px 40px rgba(15, 23, 42, 0.07);
    }

    .product-gallery-card,
    .product-summary-card {
        padding: 1rem;
    }

    .main-image {
        height: 360px;
        border-radius: 18px;
    }

    .thumbnail {
        width: 72px;
        height: 72px;
        border-radius: 14px;
    }

    .variant-card {
        grid-template-columns: 58px minmax(0, 1fr);
        padding: 0.55rem 0.65rem;
        border-radius: 16px;
    }

    .variant-card__image {
        width: 58px;
        height: 58px;
        border-radius: 12px;
    }

    .variant-card__name {
        font-size: 0.88rem;
    }

    .variant-card__stock {
        display: none;
    }

    .product-benefits {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.45rem;
    }

    .product-benefit {
        min-height: 48px;
        padding: 0.55rem 0.4rem;
        border-radius: 14px;
        gap: 0.32rem;
        font-size: 0.72rem;
        line-height: 1.15;
    }

    .product-benefit i {
        font-size: 0.95rem;
    }
}

@media (max-width: 575.98px) {
    .product-page .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .main-image {
        height: 300px;
    }

    .thumbnail {
        width: 64px;
        height: 64px;
    }

    .product-title {
        font-size: 1.55rem;
    }

    .price-section {
        padding: 1rem;
        border-radius: 20px;
    }

    .product-price-block__current-price {
        font-size: 1.9rem;
    }

    .product-benefit {
        min-height: auto;
        padding: 0.55rem 0.3rem;
        align-items: center;
        text-align: center;
    }
}