.product-page {
    --hs-blue: #173fbd;
    --hs-deep: #082992;
    --hs-yellow: #f5d947;
    --hs-yellow-hover: #e8c923;
    --hs-green: #168342;
    --hs-red: #b42331;
    --hs-text: #172033;
    --hs-muted: #5f6778;
    --hs-line: #d9deea;
    --hs-bg: #f5f6f8;
    --hs-white: #fff;
    max-width: 1240px;
    margin: 0 auto 64px;
    padding: 0 24px;
    color: var(--hs-text);
    font-family: Inter, Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

.product-page *,
.product-page *::before,
.product-page *::after {
    box-sizing: border-box;
}

.product-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 22px 0;
    color: var(--hs-muted);
    font-size: 13px;
}

.product-breadcrumb a {
    color: var(--hs-blue);
}

.product-breadcrumb a:hover,
.product-breadcrumb a:focus-visible {
    text-decoration: underline;
}

.product-shell {
    display: grid;
    grid-template-columns: minmax(300px, 0.95fr) minmax(320px, 1.15fr) minmax(280px, 340px);
    gap: 34px;
    align-items: start;
}

.product-gallery {
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 14px;
    min-width: 0;
}

.product-gallery:not(.has-thumbnails) {
    grid-template-columns: minmax(0, 1fr);
}

.product-thumbnails {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-thumbnail {
    width: 72px;
    height: 72px;
    padding: 5px;
    border: 1px solid var(--hs-line);
    border-radius: 10px;
    background: var(--hs-white);
    cursor: pointer;
}

.product-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-thumbnail:hover,
.product-thumbnail:focus-visible,
.product-thumbnail.is-active {
    border-color: var(--hs-blue);
    box-shadow: 0 0 0 2px rgba(23, 63, 189, 0.12);
    outline: none;
}

.product-main-image-button {
    position: relative;
    display: grid;
    place-items: center;
    width: 100%;
    min-height: 440px;
    padding: 24px;
    overflow: hidden;
    border: 1px solid var(--hs-line);
    border-radius: 16px;
    background: var(--hs-white);
    cursor: zoom-in;
}

.product-main-image {
    display: block;
    width: 100%;
    height: 390px;
    object-fit: contain;
}

.product-zoom-hint {
    position: absolute;
    right: 14px;
    bottom: 14px;
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.94);
    color: var(--hs-blue);
    box-shadow: 0 2px 10px rgba(8, 41, 146, 0.14);
    font-size: 12px;
    font-weight: 700;
}

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

.product-brand {
    display: inline-block;
    margin-bottom: 8px;
    color: var(--hs-blue);
    font-size: 14px;
    font-weight: 700;
}

.product-brand:hover,
.product-brand:focus-visible {
    text-decoration: underline;
}

.product-information h1 {
    margin: 0 0 16px;
    color: var(--hs-text);
    font-size: clamp(24px, 2.1vw, 30px);
    line-height: 1.22;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin: 0 0 20px;
    padding: 0 0 18px;
    border-bottom: 1px solid var(--hs-line);
}

.product-meta div {
    display: flex;
    gap: 5px;
    color: var(--hs-muted);
    font-size: 13px;
}

.product-meta dt {
    font-weight: 700;
}

.product-meta dd {
    margin: 0;
}

.product-introduction {
    color: var(--hs-text);
    font-size: 15px;
    line-height: 1.65;
    overflow-wrap: anywhere;
}

.product-confidence-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 22px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--hs-line);
    color: var(--hs-muted);
    font-size: 14px;
}

.product-confidence-inline b {
    color: var(--hs-green);
}

.product-purchase-column {
    min-width: 0;
}

.product-purchase-card {
    position: sticky;
    top: 18px;
    padding: 24px;
    border: 1px solid var(--hs-line);
    border-radius: 16px;
    background: var(--hs-white);
    box-shadow: 0 8px 26px rgba(8, 41, 146, 0.08);
}

.product-price-block {
    display: grid;
}

.product-old-price {
    color: var(--hs-muted);
    font-size: 14px;
    text-decoration: line-through;
}

.product-price-label {
    margin-top: 3px;
    color: var(--hs-muted);
    font-size: 13px;
}

.product-current-price {
    color: var(--hs-blue);
    font-size: clamp(29px, 2.6vw, 34px);
    line-height: 1.2;
}

.product-payment-note {
    margin-top: 4px;
    color: var(--hs-muted);
    font-size: 13px;
}

.product-availability {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 20px 0 14px;
    font-size: 15px;
    font-weight: 700;
}

.product-availability span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: currentColor;
}

.product-availability.is-available {
    color: var(--hs-green);
}

.product-availability.is-unavailable {
    color: var(--hs-red);
}

.product-delivery-note {
    display: grid;
    gap: 2px;
    padding: 14px;
    border-radius: 10px;
    background: var(--hs-bg);
    color: var(--hs-muted);
    font-size: 13px;
}

.product-delivery-note b {
    color: var(--hs-text);
    font-size: 14px;
}

.product-buy-form {
    margin-top: 20px;
}

.product-quantity-label {
    display: block;
    margin-bottom: 7px;
    color: var(--hs-text);
    font-size: 14px;
    font-weight: 700;
}

.product-quantity-stepper {
    display: grid;
    grid-template-columns: 44px 56px 44px;
    width: max-content;
    overflow: hidden;
    border: 1px solid #b9c2d7;
    border-radius: 10px;
    background: var(--hs-white);
}

.product-quantity-stepper button,
.product-quantity-stepper input {
    min-height: 44px;
    border: 0;
    background: transparent;
    color: var(--hs-text);
    font: inherit;
    text-align: center;
}

.product-quantity-stepper button {
    font-size: 22px;
    cursor: pointer;
}

.product-quantity-stepper button:hover,
.product-quantity-stepper button:focus-visible {
    background: var(--hs-bg);
    color: var(--hs-blue);
    outline: 2px solid var(--hs-blue);
    outline-offset: -2px;
}

.product-quantity-stepper input {
    width: 56px;
    border-right: 1px solid var(--hs-line);
    border-left: 1px solid var(--hs-line);
    font-weight: 700;
    appearance: textfield;
}

.product-quantity-stepper input::-webkit-inner-spin-button,
.product-quantity-stepper input::-webkit-outer-spin-button {
    margin: 0;
    appearance: none;
}

.product-quantity-help {
    display: block;
    margin-top: 6px;
    color: var(--hs-muted);
    font-size: 12px;
}

.product-add-button {
    width: 100%;
    min-height: 48px;
    margin-top: 18px;
    border: 0;
    border-radius: 10px;
    background: var(--hs-yellow);
    color: #172033;
    font-family: inherit;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease;
}

.product-add-button:hover,
.product-add-button:focus-visible {
    background: var(--hs-yellow-hover);
    outline: 3px solid rgba(23, 63, 189, 0.2);
    outline-offset: 2px;
}

.product-add-button:active {
    transform: translateY(1px);
}

.product-add-button:disabled {
    background: #e2e5ec;
    color: #707789;
    cursor: not-allowed;
}

.product-purchase-assurances {
    display: grid;
    gap: 9px;
    margin: 20px 0 0;
    padding: 18px 0 0;
    border-top: 1px solid var(--hs-line);
    list-style: none;
    color: var(--hs-muted);
    font-size: 13px;
}

.product-purchase-assurances span {
    color: var(--hs-green);
    font-weight: 700;
}

.product-content {
    max-width: 920px;
    margin-top: 52px;
}

.product-content > h2 {
    margin: 0 0 18px;
    color: var(--hs-deep);
    font-size: clamp(24px, 2vw, 28px);
}

.product-accordion {
    border-top: 1px solid var(--hs-line);
}

.product-accordion:last-of-type {
    border-bottom: 1px solid var(--hs-line);
}

.product-accordion summary {
    position: relative;
    padding: 19px 42px 19px 0;
    color: var(--hs-text);
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
}

.product-accordion summary::-webkit-details-marker {
    display: none;
}

.product-accordion summary::after {
    content: '+';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--hs-blue);
    font-size: 24px;
    font-weight: 400;
}

.product-accordion[open] summary::after {
    content: '−';
}

.product-accordion summary:focus-visible {
    outline: 3px solid rgba(23, 63, 189, 0.22);
    outline-offset: 3px;
}

.product-accordion-content {
    padding: 0 0 24px;
    color: var(--hs-text);
    font-size: 15px;
    line-height: 1.7;
    overflow-wrap: anywhere;
}

.product-accordion-content > :first-child {
    margin-top: 0;
}

.product-accordion-content > :last-child {
    margin-bottom: 0;
}

.product-rich-text img {
    max-width: 100%;
    height: auto;
}

.product-specification-list {
    margin: 18px 0 0;
    border: 1px solid var(--hs-line);
    border-radius: 10px;
    overflow: hidden;
}

.product-specification-list div {
    display: grid;
    grid-template-columns: minmax(140px, 0.4fr) 1fr;
}

.product-specification-list div + div {
    border-top: 1px solid var(--hs-line);
}

.product-specification-list dt,
.product-specification-list dd {
    margin: 0;
    padding: 11px 14px;
}

.product-specification-list dt {
    background: var(--hs-bg);
    font-weight: 700;
}

.product-medical-note {
    margin-top: 24px;
    padding: 16px 18px;
    border-left: 4px solid var(--hs-blue);
    border-radius: 8px;
    background: #f3f6ff;
    color: #37405a;
    font-size: 14px;
    line-height: 1.55;
}

.product-image-modal[hidden] {
    display: none;
}

.product-image-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: 28px;
    background: rgba(8, 16, 44, 0.82);
}

.product-image-modal img {
    max-width: min(92vw, 1000px);
    max-height: 88vh;
    object-fit: contain;
    border-radius: 12px;
    background: var(--hs-white);
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.35);
}

.product-image-modal-close {
    position: fixed;
    top: 18px;
    right: 18px;
    width: 46px;
    height: 46px;
    border: 0;
    border-radius: 50%;
    background: var(--hs-white);
    color: var(--hs-deep);
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
}

.product-empty-state {
    max-width: 620px;
    margin: 70px auto;
    padding: 44px 28px;
    border: 1px solid var(--hs-line);
    border-radius: 16px;
    background: var(--hs-white);
    text-align: center;
}

.product-empty-icon {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: #fff2f3;
    color: var(--hs-red);
    font-size: 30px;
    font-weight: 700;
}

.product-empty-state h1 {
    margin: 0;
    font-size: 28px;
}

.product-empty-state p {
    color: var(--hs-muted);
}

.product-primary-link {
    display: inline-grid;
    place-items: center;
    min-height: 46px;
    margin-top: 10px;
    padding: 0 22px;
    border-radius: 10px;
    background: var(--hs-blue);
    color: var(--hs-white);
    font-weight: 700;
}

@media (max-width: 1050px) {
    .product-shell {
        grid-template-columns: minmax(300px, 0.9fr) minmax(340px, 1.1fr);
    }

    .product-purchase-column {
        grid-column: 1 / -1;
    }

    .product-purchase-card {
        position: static;
        display: grid;
        grid-template-columns: minmax(220px, 0.8fr) minmax(280px, 1.2fr);
        gap: 16px 28px;
    }

    .product-buy-form,
    .product-purchase-assurances {
        grid-column: 2;
    }

    .product-availability,
    .product-delivery-note {
        grid-column: 1;
    }
}

@media (max-width: 760px) {
    .product-page {
        padding: 0 16px;
        font-size: 15px;
    }

    .product-shell {
        grid-template-columns: 1fr;
        gap: 26px;
    }

    .product-gallery {
        grid-template-columns: 1fr;
    }

    .product-thumbnails {
        order: 2;
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 3px;
    }

    .product-main-image-button {
        min-height: 340px;
        padding: 16px;
    }

    .product-main-image {
        height: 310px;
    }

    .product-purchase-column {
        grid-column: auto;
    }

    .product-purchase-card {
        display: block;
        padding: 20px;
    }

    .product-content {
        margin-top: 38px;
    }
}

@media (max-width: 420px) {
    .product-page {
        padding: 0 12px;
    }

    .product-breadcrumb {
        margin: 16px 0;
        font-size: 12px;
    }

    .product-main-image-button {
        min-height: 300px;
    }

    .product-main-image {
        height: 270px;
    }

    .product-information h1 {
        font-size: 24px;
    }

    .product-meta {
        display: grid;
        gap: 6px;
    }

    .product-confidence-inline {
        display: grid;
        gap: 8px;
    }

    .product-specification-list div {
        grid-template-columns: 1fr;
    }

    .product-specification-list dd {
        padding-top: 0;
    }
}