/* ────────────────────────────────────
   ОСНОВНОЙ БЛОК ТОВАРА
──────────────────────────────────── */
.product-main {
    padding: 40px 0;
    background-color: #fff;
}
.product-main .container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}
.product-main__grid {
    display: grid;
    grid-template-columns: minmax(0, 25%) minmax(0, 75%);
    gap: 40px;
}
.product-main__gallery {
    top: 100px;
    align-self: start;
}

.product-gallery__main {
    width: 100%;
    max-height: 500px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
.product-gallery__main img {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
    display: block;
}

/* Заголовок и цена */
.product-header {
    display: flex;
    align-items: center;
    gap: 30px;
}
.product-title-block {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    font-weight: var(--font-extrabold);
    background: #f7f7f0;
    padding: 15px 20px;
    border-radius: var(--border-radius-plaque);
}
.product-title {
    margin-bottom: 0;
    line-height: inherit;
}
.product-price-block {
    flex-shrink: 0;
    min-width: 250px;
    background: #f7f7f0;
    padding: 15px 20px;
    border-radius: var(--border-radius-plaque);
}
.price-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.price-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    white-space: nowrap;
}
.price-discount-badge {
    background-color: var(--color-discount);
    color: var(--color-text-white);
    padding: 3px 10px;
    border-radius: var(--border-radius-plaque);
    font-size: var(--font-size-xs);
    font-weight: var(--font-bold);
}
.price-main {
    display: flex;
    align-items: center;
    gap: 15px;
}
.price-current {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-extrabold);
    color: var(--color-price);
    line-height: 1;
}
.price-old {
    font-size: var(--font-size-xl);
    color: var(--color-gray);
    text-decoration: line-through;
    font-weight: var(--font-regular);
}

/* Опции (общие) */
.product-options {
    margin-bottom: 30px;
}
.option-group {
    margin-bottom: 20px;
}
.option-group label {
    display: block;
    font-weight: var(--font-bold);
    margin-bottom: 10px;
    color: var(--color-text-main);
}

/* Размер (серые рамки) */
.size-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.size-item {
    padding: 8px 15px;
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius-plaque);
    cursor: pointer;
    transition: all 0.2s;
    font-weight: var(--font-bold);
    background-color: transparent;
    color: var(--color-text-main);
}
.size-item:hover,
.size-item.active {
    background-color: var(--color-accent);
    color: var(--color-text-white);
    border-color: var(--color-accent);
}

/* Кнопки действий */
.product-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}
.product-actions .btn--lg {
    flex: 1;
    max-width: 250px;
}

/* Мета-информация */
.product-meta {
    padding-top: 20px;
    border-top: 1px solid var(--color-gray);
}
.product-meta p {
    margin-bottom: 10px;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* Вкладки */
.product-tabs {
    padding: 40px 0;
}
.tabs__headers {
    display: flex;
    gap: 5px;
    border-bottom: 2px solid var(--color-gray);
    margin-bottom: 30px;
}
.tabs__header {
    padding: 15px 30px;
    background: none;
    border: none;
    font-weight: var(--font-bold);
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    cursor: pointer;
    transition: 0.3s;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}
.tabs__header:hover {
    color: var(--color-primary);
}
.tabs__header.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-accent);
}
.tabs__panel {
    display: none;
    animation: fadeIn 0.3s ease;
}
.tabs__panel.active {
    display: block;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Таблица характеристик */
.specs-table {
    width: 100%;
    border-collapse: collapse;
}
.specs-table tr {
    border-bottom: 1px solid var(--color-gray);
}
.specs-table th,
.specs-table td {
    padding: 12px 0;
    font-size: var(--font-size-base);
    text-align: left;
}
.specs-table th:first-child,
.specs-table td:first-child {
    font-weight: var(--font-bold);
    color: var(--color-text-light);
    width: 40%;
}
.specs-table th:last-child,
.specs-table td:last-child {
    color: var(--color-text-main);
    width: 60%;
}

/* Сетка опций (65% + 35%) */
.options-grid {
    display: grid;
    grid-template-columns: minmax(0, 65%) minmax(0, 35%);
    gap: 30px;
}
.options-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.options-plaque {
    background-color: var(--color-bg-secondary);
    padding: 20px;
    border-radius: var(--border-radius-plaque);
    text-align: center;
}
.plaque-text {
    font-size: var(--font-size-base);
    font-weight: var(--font-bold);
    color: var(--color-text-main);
    margin-bottom: 15px;
    line-height: 1.5;
}
.plaque-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: var(--font-size-base);
    color: var(--color-primary);
    font-weight: var(--font-bold);
    text-decoration: none;
    padding: 10px 0;
    width: 100%;
}
.plaque-link:hover {
    color: var(--color-accent);
}
.plaque-icon {
    width: 64px;
    height: 64px;
    object-fit: contain;
    flex-shrink: 0;
    background: #78b84a;
    border-radius: 8px;
}

/* Блок дверного комплекта */
.door-complex {
    padding: 30px 0;
    background-color: var(--color-bg-body);
    scroll-margin-top: calc(var(--top-header-height) + var(--header-height) + 12px);
}
.complex-content {
    background-color: var(--color-bg-white);
    padding: 40px;
    border-radius: var(--border-radius-base);
    border: 1px solid var(--color-gray);
}
.complex-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.complex-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: 20px;
    font-weight: var(--font-bold);
}
.complex-items {
    display: flex;
    flex-direction: column;
}
.complex-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 5px 0;
}
.complex-item:last-child {
    border-bottom: none;
}
.complex-item__label {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    cursor: pointer;
}
.complex-item__checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--color-accent);
    margin: 0;
}
.complex-item__name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.complex-item__price {
    font-weight: var(--font-bold);
    color: var(--color-primary);
    white-space: nowrap;
}
.complex-item__info {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0 5px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.complex-item__info .info-icon {
    width: 20px;
    height: 20px;
    display: block;
}
.complex-item__info:hover {
    color: var(--color-primary);
}

/* Тултип для информационных подсказок */
.info-tooltip {
    position: absolute;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--border-radius-plaque);
    padding: 10px 16px;
    font-size: 14px;
    max-width: 250px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    line-height: 1.4;
    word-wrap: break-word;
}
.info-tooltip.show {
    opacity: 1;
}

/* Правая колонка (исправлено) */
.complex-right {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}
.complex-door-wrapper {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}
.complex-door-image {
    flex: 0 0 35%;
}
.complex-price-block {
    flex: 0 0 65%;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.complex-total.price-block {
    border-radius: var(--border-radius-plaque);
    background-color: #f7f7f0;
    padding: 15px 20px;
}
.complex-total .price-main {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: nowrap;
}
.complex-total .price-current,
.complex-total .price-old {
    white-space: nowrap;
}
.complex-door-image img {
    max-width: 100%;
    max-height: 280px;
    object-fit: contain;
}
.complex-add {
    margin-top: 0;
}
.price-note {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    margin-top: 10px;
    line-height: 1.4;
    text-align: center;
}

/* Лайтбокс */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}
.lightbox.active {
    display: flex;
}
.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}
.lightbox-content img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: white;
    cursor: pointer;
    z-index: 10000;
}

/* Похожие товары */
.related-products {
    background-color: #f7f7f0;
    padding: 20px 0;
}

/* Блок помощи с выбором */
.help-section {
    padding: 60px 0;
    background-color: var(--color-bg-white);
}
.help-section .container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}
.help-section__title {
    font-size: var(--font-size-3xl);
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 40px;
    font-weight: var(--font-extrabold);
}
.help-section__grid {
    display: flex;
    gap: 40px;
    align-items: center;
}
.help-section__left {
    flex: 1 1 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.help-section__image-wrapper {
    max-width: 300px;
    width: 100%;
    margin-bottom: 20px;
}
.help-section__image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius-plaque);
    box-shadow: var(--shadow-card);
}
.manager-name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    margin-bottom: 5px;
}
.manager-title {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.5;
    max-width: 300px;
}
.help-section__right {
    flex: 1 1 50%;
}
.help-section__form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.help-form__group {
    width: 100%;
}
.help-form__input {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius-plaque-lg);
    font-size: var(--font-size-base);
    transition: border-color 0.3s;
}
.help-form__input:focus {
    border-color: var(--color-accent);
    outline: none;
}
.help-form__btn {
    width: 100%;
    padding: 15px 20px;
    font-size: var(--font-size-lg);
}
.help-form__policy {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    text-align: center;
}
.help-form__policy a {
    color: var(--color-accent);
    text-decoration: underline;
}

/* Адаптивность */
@media (max-width: 992px) {
    .product-main__grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .product-main__gallery {
        position: static;
    }
    .product-gallery__main {
        aspect-ratio: 1 / 1.3;
    }
    .product-actions {
        flex-direction: column;
    }
    .product-actions .btn--lg {
        max-width: 100%;
    }
    .product-header {
        flex-direction: column;
        gap: 20px;
    }
    .product-price-block {
        min-width: auto;
        width: 100%;
    }
    .tabs__headers {
        flex-wrap: wrap;
    }
    .tabs__header {
        padding: 10px 20px;
        font-size: var(--font-size-sm);
    }
    .options-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .options-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .options-plaque {
        flex: 1;
        min-width: 280px;
    }
    .complex-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .section-title {
        text-align: center;
    }
}
@media (max-width: 768px) {
    .complex-door-wrapper {
        flex-direction: column;
    }
    .complex-door-image,
    .complex-price-block {
        flex: 0 0 100%;
        max-width: 100%;
    }
}
@media (max-width: 576px) {
    .product-title {
        font-size: var(--font-size-2xl);
    }
    .price-current {
        font-size: var(--font-size-3xl);
    }
    .price-old {
        font-size: var(--font-size-lg);
    }
    .size-item {
        padding: 6px 12px;
    }
    .section-title {
        font-size: var(--font-size-2xl);
        text-align: center;
    }
    .options-sidebar {
        flex-direction: column;
    }
    .options-plaque {
        min-width: 100%;
    }
    .complex-content {
        padding: 20px;
    }
    .complex-item {
        flex-wrap: nowrap;
        gap: 8px;
    }
    .complex-item__label {
        flex: 1;
        min-width: 0;
    }
    .complex-item__price {
        white-space: nowrap;
        flex-shrink: 0;
    }
    .complex-item__info {
        flex-shrink: 0;
    }
    .info-tooltip {
        max-width: 90%;
        left: 5% !important;
    }
    .complex-total .price-main {
        gap: 8px;
    }
    .complex-total .price-current {
        font-size: var(--font-size-2xl);
    }
    .complex-total .price-old {
        font-size: var(--font-size-lg);
    }
    .price-note {
        font-size: 11px;
        margin-top: 8px;
    }
}
/* Акции на странице товара */
.product-promotions {
    padding: 40px 0;
    background-color: var(--color-bg-body);
}
.product-promotions__grid {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.product-promotion-card {
    flex: 1;
    min-width: 250px;
    background: var(--color-bg-white);
    border-radius: var(--border-radius-plaque);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s;
}
.product-promotion-card:hover {
    transform: translateY(-5px);
}
.product-promotion-card a {
    text-decoration: none;
    color: inherit;
}
.product-promotion-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}
.product-promotion-card__content {
    padding: 15px;
}
.product-promotion-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    margin-bottom: 10px;
}
.product-promotion-card__link {
    display: inline-block;
    margin-top: 10px;
    color: var(--color-accent);
    font-weight: var(--font-bold);
}
@media (max-width: 768px) {
    .product-promotion-card {
        min-width: 100%;
    }
}

/* Открывание (аналогично размеру) */
.opening-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.opening-item {
    padding: 8px 15px;
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius-plaque);
    cursor: pointer;
    transition: all 0.2s;
    font-weight: var(--font-bold);
    background-color: transparent;
    color: var(--color-text-main);
}
.opening-item:hover,
.opening-item.active {
    background-color: var(--color-accent);
    color: var(--color-text-white);
    border-color: var(--color-accent);
}