:root {
    --product-max-copy: 760px;
}

.product-page {
    background:
        radial-gradient(circle at top left, rgba(255, 128, 43, 0.08), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, #fcfcff 56%, #ffffff 100%);
}

.product-page main {
    display: block;
}

.product-breadcrumbs {
    padding: 28px 0 12px;
}

.product-breadcrumbs__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
    color: var(--otz-text-soft);
    font-size: 14px;
}

.product-breadcrumbs__item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.product-breadcrumbs__item:not(:last-child)::after {
    content: "/";
    color: rgba(17, 17, 17, 0.32);
}

.product-breadcrumbs__link {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.product-breadcrumbs__link:hover,
.product-breadcrumbs__link:focus-visible {
    color: var(--otz-accent-strong);
}

.product-hero {
    padding: 18px 0 56px;
}

.product-hero__layout {
    display: grid;
    grid-template-columns: minmax(420px, 0.95fr) minmax(0, 1.05fr);
    gap: 34px;
    align-items: start;
}

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

.product-hero__media-card,
.product-hero__summary,
.product-tabs__card,
.product-form__card {
    border: 1px solid rgba(11, 2, 106, 0.08);
    border-radius: 34px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 28px 56px rgba(11, 2, 106, 0.06);
}

.product-hero__media-card {
    position: sticky;
    top: 110px;
    overflow: hidden;
    min-height: 560px;
    padding: 34px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 255, 0.98));
}

.product-hero__figure {
    display: grid;
    place-items: center;
    min-height: 492px;
}

.product-hero__image {
    width: 100%;
    max-height: 490px;
    object-fit: contain;
    filter: drop-shadow(0 24px 32px rgba(11, 2, 106, 0.12));
}

.product-hero__summary {
    display: grid;
    gap: 22px;
    padding: 34px;
    align-content: start;
}

.product-hero__title {
    margin: 0;
    color: var(--otz-brand);
    font-size: clamp(32px, 4vw, 52px);
    line-height: 1.04;
    letter-spacing: -0.03em;
}

.product-hero__lead {
    margin: 0;
    max-width: var(--product-max-copy);
    color: var(--otz-text-soft);
    font-size: 18px;
    line-height: 1.66;
}

.product-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.product-chip {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 0 16px;
    border: 1px solid rgba(11, 2, 106, 0.08);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.78);
    color: var(--otz-brand);
    font-size: 14px;
    font-weight: 700;
}

.product-chip--accent {
    border-color: rgba(245, 73, 3, 0.18);
    background: var(--otz-accent-soft);
    color: var(--otz-accent-strong);
}

.product-hero__facts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.product-hero__fact {
    padding: 18px 18px 16px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(249, 251, 255, 0.98), #ffffff);
    border: 1px solid rgba(11, 2, 106, 0.08);
}

.product-hero__fact-label {
    margin-bottom: 8px;
    color: var(--otz-text-soft);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.product-hero__fact-value {
    color: var(--otz-brand);
    font-size: 15px;
    line-height: 1.5;
    font-weight: 700;
}

.product-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.product-hero__note {
    margin: 0;
    color: var(--otz-text-soft);
    font-size: 14px;
    line-height: 1.6;
}

.product-tabs {
    padding: 0 0 88px;
}

.product-tabs__card {
    overflow: hidden;
}

.product-tabs__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 26px 26px 0;
}

.product-tabs__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid rgba(11, 2, 106, 0.08);
    background: #fff;
    color: var(--otz-brand);
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.product-tabs__button:hover,
.product-tabs__button:focus-visible,
.product-tabs__button.is-active {
    border-color: rgba(245, 73, 3, 0.18);
    background: var(--otz-accent-soft);
    color: var(--otz-accent-strong);
    transform: translateY(-1px);
}

.product-tabs__panels {
    padding: 26px;
}

.product-tabs__panel {
    display: none;
}

.product-tabs__panel.is-active {
    display: block;
}

.product-content-card {
    padding: 10px 8px 8px;
}

.product-card__section h2,
.product-card__section h3 {
    margin: 0 0 18px;
    color: var(--otz-brand);
}

.product-card__text {
    max-width: var(--product-max-copy);
    color: var(--otz-text-soft);
    font-size: 18px;
    line-height: 1.72;
}

.product-card__text p + p {
    margin-top: 14px;
}

.product-card__text strong {
    color: var(--otz-brand);
}

.product-feature-list {
    display: grid;
    gap: 12px;
}

.product-feature {
    padding: 16px 18px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid rgba(11, 2, 106, 0.06);
}

.product-feature__label {
    margin-bottom: 8px;
    color: var(--otz-brand);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.product-feature__value {
    color: var(--otz-text-soft);
    font-size: 15px;
    line-height: 1.55;
}

.product-specs {
    display: grid;
    gap: 16px;
}

.product-specs__table-wrap {
    overflow-x: auto;
    border: 1px solid rgba(11, 2, 106, 0.08);
    border-radius: 24px;
    background: #fff;
}

.product-specs__table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

.product-specs__table th,
.product-specs__table td {
    padding: 18px 20px;
    border-bottom: 1px solid rgba(11, 2, 106, 0.08);
    text-align: left;
    vertical-align: top;
}

.product-specs__table th {
    width: 34%;
    color: var(--otz-brand);
    background: rgba(248, 250, 255, 0.92);
    font-size: 15px;
    font-weight: 800;
}

.product-specs__table td {
    color: var(--otz-text-soft);
    font-size: 15px;
    line-height: 1.55;
}

.product-specs__table tr:last-child th,
.product-specs__table tr:last-child td {
    border-bottom: 0;
}

.product-specs__cards {
    display: none;
    gap: 12px;
}

.product-specs__card {
    padding: 18px;
    border: 1px solid rgba(11, 2, 106, 0.08);
    border-radius: 20px;
    background: #fff;
}

.product-specs__card-label {
    margin-bottom: 8px;
    color: var(--otz-brand);
    font-size: 14px;
    font-weight: 800;
}

.product-specs__card-value {
    color: var(--otz-text-soft);
    font-size: 14px;
    line-height: 1.55;
}

.product-notes {
    display: grid;
    gap: 14px;
}

.product-note {
    position: relative;
    padding: 18px 20px 18px 48px;
    border-radius: 22px;
    background: rgba(255, 241, 232, 0.58);
    color: var(--otz-text-soft);
    font-size: 16px;
    line-height: 1.6;
}

.product-note::before {
    content: "";
    position: absolute;
    top: 22px;
    left: 20px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--otz-accent-strong);
    box-shadow: 0 0 0 6px rgba(245, 73, 3, 0.12);
}

.product-delivery-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.product-info-card {
    padding: 22px;
    border: 1px solid rgba(11, 2, 106, 0.08);
    border-radius: 24px;
    background: linear-gradient(180deg, #ffffff, #f9fbff);
}

.product-info-card h3 {
    margin: 0 0 12px;
    color: var(--otz-brand);
    font-size: 20px;
    line-height: 1.35;
}

.product-info-card p,
.product-info-card li {
    color: var(--otz-text-soft);
    font-size: 16px;
    line-height: 1.65;
}

.product-info-card ul {
    margin: 0;
    padding-left: 18px;
}

.product-cert-list {
    display: grid;
    gap: 14px;
}

.product-cert-item {
    padding: 18px 20px;
    border-radius: 22px;
    border: 1px solid rgba(11, 2, 106, 0.08);
    background: #fff;
}

.product-cert-item strong {
    display: block;
    margin-bottom: 8px;
    color: var(--otz-brand);
    font-size: 16px;
    line-height: 1.45;
}

.product-cert-item span {
    color: var(--otz-text-soft);
    font-size: 15px;
    line-height: 1.6;
}

.product-related {
    padding: 0 0 92px;
}

.product-related__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.product-related__card {
    display: grid;
    gap: 14px;
    padding: 22px;
    border: 1px solid rgba(11, 2, 106, 0.08);
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 18px 36px rgba(11, 2, 106, 0.05);
    color: inherit;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.product-related__card:hover,
.product-related__card:focus-visible {
    transform: translateY(-2px);
    border-color: rgba(245, 73, 3, 0.16);
    box-shadow: 0 24px 44px rgba(11, 2, 106, 0.08);
}

.product-related__name {
    color: var(--otz-brand);
    font-size: 18px;
    font-weight: 800;
    line-height: 1.35;
}

.product-related__desc {
    color: var(--otz-text-soft);
    font-size: 15px;
    line-height: 1.55;
}

.product-form {
    padding: 0 0 110px;
}

.product-form__card {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) 380px;
    gap: 36px;
    padding: 40px;
}

.product-form__lead {
    margin: 0 0 28px;
    max-width: 740px;
    color: var(--otz-text-soft);
    font-size: 18px;
    line-height: 1.65;
}

.product-form__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.product-form__field--full {
    grid-column: 1 / -1;
}

.product-form label {
    display: block;
    margin-bottom: 8px;
    color: var(--otz-brand);
    font-size: 14px;
    font-weight: 700;
}

.product-form input,
.product-form textarea {
    width: 100%;
    padding: 15px 16px;
    border: 1px solid rgba(11, 2, 106, 0.12);
    border-radius: 18px;
    background: #fff;
    color: var(--otz-text);
    font: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.product-form input:focus,
.product-form textarea:focus {
    outline: none;
    border-color: rgba(245, 73, 3, 0.44);
    box-shadow: 0 0 0 4px rgba(245, 73, 3, 0.12);
}

.product-form .input-error {
    border-color: rgba(207, 48, 48, 0.6);
    box-shadow: 0 0 0 4px rgba(207, 48, 48, 0.12);
}

.product-form textarea {
    min-height: 132px;
    resize: vertical;
}

.product-form__error {
    display: block;
    min-height: 18px;
    margin-top: 6px;
    color: #cf3030;
    font-size: 12px;
}

.product-form__checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin: 8px 0 20px;
    color: var(--otz-text-soft);
    font-size: 14px;
}

.product-form__checkbox input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
}

.product-form__checkbox label {
    margin: 0;
    color: inherit;
    font-size: inherit;
    font-weight: 500;
}

.product-form__submit {
    width: 100%;
}

.product-form__aside {
    display: grid;
    gap: 18px;
    align-content: start;
}

.product-contact-card {
    padding: 26px;
    border: 1px solid rgba(11, 2, 106, 0.08);
    border-radius: 26px;
    background: linear-gradient(180deg, #f9fbff, #ffffff);
}

.product-contact-card h3 {
    margin-bottom: 16px;
    color: var(--otz-brand);
}

.product-contact-card__row + .product-contact-card__row {
    margin-top: 14px;
}

.product-contact-card__label {
    display: block;
    margin-bottom: 6px;
    color: var(--otz-text-soft);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.product-contact-card__value,
.product-contact-card__value a {
    color: var(--otz-brand);
    font-size: 16px;
    line-height: 1.55;
    text-decoration: none;
}

.product-form__success {
    padding: 28px;
    border-radius: 24px;
    background: #edf9f1;
    color: #177946;
}

@media (max-width: 1279px) {
    .product-hero__layout,
    .product-form__card {
        grid-template-columns: 1fr;
    }

    .product-hero__media-card {
        position: static;
        min-height: 420px;
    }

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

@media (max-width: 991px) {
    .product-related__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

@media (max-width: 767px) {
    .product-breadcrumbs {
        padding-top: 18px;
    }

    .product-hero,
    .product-tabs,
    .product-related,
    .product-form {
        padding-bottom: 48px;
    }

    .product-hero__lead,
    .product-card__text,
    .product-form__lead {
        font-size: 16px;
        line-height: 1.6;
    }

    .product-hero__media-card,
    .product-hero__summary,
    .product-tabs__card,
    .product-form__card {
        padding: 22px;
        border-radius: 26px;
    }

    .product-tabs__panels {
        padding: 18px 0 0;
    }

    .product-hero__figure {
        min-height: 280px;
    }

    .product-hero__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .product-tabs__nav {
        display: grid;
        grid-template-columns: 1fr 1fr;
        padding: 0;
    }

    .product-specs__table-wrap {
        display: none;
    }

    .product-specs__cards {
        display: grid;
    }

    .product-related__grid,
    .product-form__grid,
    .product-delivery-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 479px) {
    .product-tabs__nav {
        grid-template-columns: 1fr;
    }
}

.product-form__checkbox a{color:var(--otz-accent-strong);text-decoration:none}.product-form__checkbox a:hover{text-decoration:underline}