/* ============================================================
   СТРАНИЦА ТОВАРА
   ============================================================ */

/* Фон (если main.css не подключён) */
.bg {
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(circle at 50% 35%, rgba(170, 175, 185, 0.45) 0%, rgba(200, 205, 215, 0.2) 45%, transparent 70%),
        radial-gradient(circle at 20% 20%, rgba(225, 228, 235, 0.8) 0%, transparent 50%),
        radial-gradient(circle at 80% 60%, rgba(195, 200, 208, 0.28) 0%, transparent 55%),
        #f4f3f2;
}

.bg::before {
    content: "";
    position: absolute;
    inset: 0;
    backdrop-filter: blur(60px);
    -webkit-backdrop-filter: blur(60px);
    pointer-events: none;
}

.bg::after {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.03;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 160px 160px;
}

body:has(.product-page) {
    background: #f4f3f2 !important;
}

/* ============================================================
   СТРАНИЦА ТОВАРА
   ============================================================ */

.product-page {
    --p-bg: #f4f3f2;
    --p-text: #0f1419;
    --p-muted: #525c6d;

    width: 100%;
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: visible;
    color: var(--p-text);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    position: relative;
    background: transparent;
}

/* ============================================================
   ЗУБ НА ФОНЕ
   ============================================================ */

.product-page__tooth {
    position: fixed;
    top: 38%;
    left: 50%;
    transform: translate(-50%, -30%);
    width: min(780px, 98vw);
    height: min(780px, 98vw);
    z-index: 0;
    pointer-events: none !important;
    opacity: 0.7;
    display: flex;
    align-items: center;
    justify-content: center;

    -webkit-mask-image: linear-gradient(
        to right,
        rgba(0,0,0,0.05) 0%,
        rgba(0,0,0,0.08) 12%,
        rgba(0,0,0,0.15) 25%,
        rgba(0,0,0,0.35) 42%,
        rgba(0,0,0,0.6) 58%,
        rgba(0,0,0,0.85) 75%,
        rgba(0,0,0,0.98) 100%
    );
    mask-image: linear-gradient(
        to right,
        rgba(0,0,0,0.05) 0%,
        rgba(0,0,0,0.08) 12%,
        rgba(0,0,0,0.15) 25%,
        rgba(0,0,0,0.35) 42%,
        rgba(0,0,0,0.6) 58%,
        rgba(0,0,0,0.85) 75%,
        rgba(0,0,0,0.98) 100%
    );
}

.product-page__tooth img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none !important;
    filter: brightness(1.25) contrast(0.88);
}

/* ============================================================
   LOADING
   ============================================================ */

.product-loading {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: #718192;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .25em;
    text-transform: uppercase;
    position: relative;
    z-index: 2;
}

.product-loading span:first-child {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #0f1419;
    box-shadow: 0 0 12px rgba(15, 20, 25, 0.35);
}

/* ============================================================
   HERO
   ============================================================ */

.product-hero {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(480px, 560px);
    align-items: center;
    max-width: 1240px;
    margin: 0 auto;
    padding: 48px 40px 40px;
    gap: 32px;
}

.product-hero__content {
    position: relative;
    z-index: 3;
    max-width: 480px;
    padding-left: 0;
}

.product-hero__eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    color: #697382;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
}

.product-hero__eyebrow::before {
    content: "";
    width: 28px;
    height: 1px;
    background: #9aa3ae;
}

.product-hero__title {
    max-width: 520px;
    margin: 0;
    color: #0f1419;
    font-size: clamp(34px, 4vw, 52px);
    line-height: .92;
    font-weight: 300;
    letter-spacing: -.065em;
}

.product-hero__title strong {
    display: block;
    font-weight: 750;
}

.product-hero__description {
    max-width: 440px;
    margin: 18px 0 0;
    color: #525c6d;
    font-size: 14px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-hero__bottom {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 22px;
}

.product-price {
    color: #0f1419;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -.035em;
}

.product-stock {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #0d7a3f;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    background: rgba(13, 122, 63, 0.08);
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid rgba(13, 122, 63, 0.15);
}

.product-stock::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #0d7a3f;
    box-shadow: 0 0 8px rgba(13, 122, 63, 0.5);
}

.product-stock--out {
    color: #697382;
    background: rgba(105, 115, 130, 0.08);
    border-color: rgba(105, 115, 130, 0.15);
}

.product-stock--out::before {
    background: #8a94a6;
    box-shadow: none;
}

/* ============================================================
   BUTTON
   ============================================================ */

.product-buy {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 220px;
    height: 54px;
    margin-top: 22px;
    padding: 4px 6px 4px 22px;
    border: 0;
    border-radius: 30px;
    background: #0f1419;
    color: #fff;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 12px 28px rgba(15, 20, 25, 0.18);
    transition: transform .25s cubic-bezier(0.16, 1, 0.3, 1), background .25s ease, box-shadow .25s ease;
}

.product-buy:hover {
    background: #1e252f;
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(15, 20, 25, 0.25);
}

.product-buy__arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 16px;
    transition: background .2s ease;
}

.product-buy:hover .product-buy__arrow {
    background: rgba(255, 255, 255, 0.2);
}

.product-buy:disabled {
    opacity: .45;
    cursor: default;
    transform: none;
    box-shadow: none;
}

/* ============================================================
   VISUAL
   ============================================================ */

.product-hero__visual-wrap {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
}

.product-hero__visual {
    position: relative;
    flex: 1;
    width: 100%;
    max-width: 520px;
    aspect-ratio: 1 / 1;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 24px;
    background: linear-gradient(
        145deg,
        rgba(255, 255, 255, 0.55) 0%,
        rgba(255, 255, 255, 0.18) 100%
    );
    border: 1.5px solid rgba(255, 255, 255, 0.75);
    box-shadow:
        0 16px 40px rgba(15, 20, 25, 0.06),
        inset 0 1px 1px rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
    overflow: hidden;
    padding: 0;
}

.product-hero__image {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: top center;
    display: block;
    transform: scale(1.06);
    transform-origin: top center;
}

/* Миниатюры справа */
.product-thumbs {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 520px;
    overflow-y: auto;
    padding: 2px 0;
}

.product-thumbs::-webkit-scrollbar {
    width: 3px;
}
.product-thumbs::-webkit-scrollbar-thumb {
    background: rgba(15, 20, 25, 0.15);
    border-radius: 10px;
}

.product-thumb {
    width: 58px;
    height: 58px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.45);
    border: 1.5px solid rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    flex-shrink: 0;
}

.product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.product-thumb:hover {
    transform: translateY(-2px);
    border-color: rgba(15, 20, 25, 0.25);
}

.product-thumb.is-active {
    border-color: #0f1419;
    box-shadow: 0 4px 12px rgba(15, 20, 25, 0.12);
}

/* ============================================================
   META TAGS
   ============================================================ */

.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.product-meta span {
    padding: 5px 11px;
    border: 1px solid rgba(145, 158, 171, 0.35);
    border-radius: 20px;
    color: #697382;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(10px);
}

/* ============================================================
   EMPTY / ERROR
   ============================================================ */

.product-empty {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    z-index: 2;
}

.product-empty h1 {
    margin: 0;
    color: #0f1419;
    font-size: 48px;
    font-weight: 300;
    letter-spacing: -.05em;
}

.product-empty p {
    margin: 15px 0 0;
    color: #697382;
    font-size: 13px;
}

/* ============================================================
   GLASS BLOCKS
   ============================================================ */

.gb-wrap {
    position: relative;
    z-index: 2;
    max-width: 1240px;
    margin: 0 auto;
    padding: 16px 40px 64px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.gb-wrap > .gb--chars {
    order: 1;
}

.gb-wrap > .gb:not(.gb--chars) {
    order: 2;
}

.gb {
    position: relative;
    border-radius: 24px;
    isolation: isolate;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.48) 0%,
        rgba(255, 255, 255, 0.14) 100%
    );
    border: 1.5px solid rgba(255, 255, 255, 0.72);
    box-shadow:
        0 18px 36px rgba(15, 20, 25, 0.04),
        0 6px 14px rgba(15, 20, 25, 0.02),
        inset 0 1px 1px rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(40px) saturate(160%);
    -webkit-backdrop-filter: blur(40px) saturate(160%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.gb:hover {
    box-shadow:
        0 24px 44px rgba(15, 20, 25, 0.055),
        0 8px 18px rgba(15, 20, 25, 0.03),
        inset 0 1px 1px rgba(255, 255, 255, 0.9);
}

.gb__inner {
    position: relative;
    padding: 28px 36px;
    border-radius: inherit;
}

.gb-head {
    margin-bottom: 18px;
}

.gb-eyebrow {
    display: block;
    font-size: 10px;
    font-weight: 750;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #697382;
    margin-bottom: 7px;
}

.gb-title {
    font-size: 26px;
    font-weight: 750;
    letter-spacing: -0.035em;
    line-height: 1.15;
    margin: 0;
    color: #0f1419;
}

.gb-text {
    font-size: 14px;
    color: #525c6d;
    line-height: 1.65;
    margin: 0 0 16px;
    max-width: 620px;
}

.gb-rows {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

.gb-row {
    display: grid;
    grid-template-columns: minmax(150px, 210px) 1fr;
    gap: 18px;
    padding: 12px 0;
    border-top: 1px solid rgba(15, 20, 25, 0.07);
    align-items: center;
}

.gb-row:first-child {
    border-top: 1px solid rgba(15, 20, 25, 0.07);
}

.gb-row__key {
    font-size: 12px;
    font-weight: 750;
    color: #697382;
    line-height: 1.4;
    letter-spacing: 0.02em;
}

.gb-row__val {
    font-size: 14px;
    font-weight: 650;
    color: #0f1419;
    line-height: 1.5;
}

.gb-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.gb-list li {
    position: relative;
    padding-left: 15px;
    font-size: 14px;
    font-weight: 600;
    color: #0f1419;
    line-height: 1.5;
}

.gb-list li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: #8a94a6;
    font-weight: 700;
}

.gb-feats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    margin-top: 8px;
}

.gb-feat {
    display: flex;
    align-items: center;
    gap: 7px;
    background: rgba(255, 255, 255, 0.4);
    padding: 7px 13px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(12px);
}

.gb-feat__dot {
    flex: 0 0 5px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #0f1419;
}

.gb-feat__label {
    font-size: 13px;
    font-weight: 700;
    color: #0f1419;
}

.gb-two {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 24px;
    align-items: center;
}

.gb-two__img {
    border-radius: 18px;
    overflow: hidden;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gb-two__img img {
    width: 100%;
    height: auto;
    max-height: 380px;
    object-fit: contain;
    display: block;
    border-radius: 18px;
}

.gb-video {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-top: 14px;
    font-size: 13px;
    font-weight: 750;
    color: #0f1419;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.55);
    padding: 8px 16px 8px 8px;
    border-radius: 26px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: background 0.2s ease, transform 0.2s ease;
    backdrop-filter: blur(10px);
}

.gb-video:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-1px);
}

.gb-video__ic {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #0f1419;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    box-shadow: 0 3px 8px rgba(15, 20, 25, 0.25);
}

.gb--brand .gb__inner {
    background: linear-gradient(
        135deg,
        rgba(244, 243, 242, 0.55) 0%,
        rgba(255, 255, 255, 0.22) 100%
    );
}

/* ===== Характеристики ===== */

.gb--chars .gb-char-groups {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 28px;
}

.gb--chars .gb-char-group {
    position: relative;
    min-width: 0;
    background: rgba(255, 255, 255, 0.48);
    border: 1px solid rgba(255, 255, 255, 0.78);
    border-radius: 18px;
    padding: 20px 20px 19px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow:
        0 8px 22px rgba(15, 20, 25, 0.035),
        inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.gb--chars .gb-char-group__title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 0 0 14px;
    padding: 0 0 12px;
    border-bottom: 1px solid rgba(15, 20, 25, 0.075);

    font-size: 10px;
    line-height: 1.2;
    font-weight: 750;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #697382;
}

.gb--chars .gb-char-group__title::after {
    content: "⌄";
    flex: 0 0 auto;
    font-size: 13px;
    line-height: 1;
    font-weight: 400;
    letter-spacing: 0;
    color: #8a94a6;
    transform: translateY(-1px);
}

.gb--chars .gb-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.gb--chars .gb-list li {
    position: relative;
    padding: 9px 0;
    border-bottom: 1px solid rgba(15, 20, 25, 0.055);

    font-size: 13px;
    line-height: 1.45;
    font-weight: 550;
    letter-spacing: -0.01em;
    color: #20262d;
}

.gb--chars .gb-list li:first-child {
    padding-top: 0;
}

.gb--chars .gb-list li:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.gb--chars .gb-list li::before {
    display: none;
}

.gb--chars .gb-list li {
    overflow-wrap: anywhere;
}

.gb--chars .gb-head {
    margin-bottom: 0;
}

.gb--chars .gb-eyebrow {
    margin-bottom: 9px;
}

.gb--chars .gb-title {
    font-family: 'Manrope', sans-serif !important;
    font-weight: 400 !important;
    letter-spacing: -0.055em !important;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1100px) {
    .product-hero {
        grid-template-columns: 1fr;
        padding: 40px 28px 36px;
        max-width: 100%;
    }

    .product-hero__content {
        padding-left: 0;
    }

    .product-hero__visual-wrap {
        flex-direction: column;
        margin-top: 16px;
        align-items: flex-start;
    }

    .product-hero__visual {
        max-width: 480px;
        width: 100%;
    }

    .product-thumbs {
        flex-direction: row;
        max-height: none;
        overflow-x: auto;
        width: 100%;
        padding-bottom: 4px;
    }

    .product-thumb {
        width: 54px;
        height: 54px;
    }

    .gb-wrap {
        max-width: 100%;
        padding: 12px 24px 48px;
    }

    .product-page__tooth {
        width: min(560px, 90vw);
        height: min(560px, 90vw);
        top: 46%;
        opacity: 0.55;
    }
}

@media (max-width: 768px) {
    .product-hero {
        padding: 28px 16px 28px;
    }

    .product-hero__title {
        font-size: clamp(30px, 9.5vw, 44px);
    }

    .product-hero__description {
        font-size: 13px;
    }

    .product-hero__bottom {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .product-hero__visual {
        max-width: 100%;
    }

    .gb-wrap {
        padding: 10px 16px 40px;
        gap: 12px;
    }

    .gb__inner {
        padding: 20px 16px;
        border-radius: 18px;
    }

    .gb-title {
        font-size: 22px;
    }

    .gb-two {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .gb-two__img img {
        max-height: 260px;
        border-radius: 14px;
    }

    .gb-row {
        grid-template-columns: 1fr;
        gap: 4px;
        padding: 10px 0;
    }

    .gb-char-group {
        padding: 14px 14px;
    }

    .product-page__tooth {
        width: min(380px, 92vw);
        height: min(380px, 92vw);
        top: 50%;
        opacity: 0.4;
    }
}

/* ===== Фото товара ===== */
.product-hero__visual {
    max-width: 560px !important;
    width: 100% !important;
    aspect-ratio: 1 / 1 !important;
    padding: 0 !important;
    overflow: hidden !important;
    display: flex !important;
    align-items: flex-start !important;
    justify-content: center !important;
}

.product-hero__image,
#product-main-image {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
    object-position: top center !important;
    transform: scale(1.05) !important;
    transform-origin: top center !important;
    display: block !important;
}

/* ===== Фото в доп. блоках ===== */
.gb-two {
    grid-template-columns: 0.9fr 1.3fr !important;
    gap: 28px !important;
    align-items: center !important;
}

.gb-two__img {
    width: 100% !important;
    border-radius: 2px !important;
    overflow: hidden !important;
    padding: 0 !important;
    background: transparent !important;
    border: none !important;
    min-height: 0 !important;
    display: flex !important;
    justify-content: flex-end !important;
}

.gb-two__img img {
    width: 100% !important;
    height: auto !important;
    max-height: 225px !important;
    min-height: 0 !important;
    object-fit: contain !important;
    object-position: right center !important;
    display: block !important;
    border-radius: 20px !important;
    border: none !important;
    margin-left: auto !important;
    margin-right: 0 !important;
}

@media (max-width: 768px) {
    .gb-two {
        grid-template-columns: 1fr !important;
    }
    .gb-two__img img {
        max-height: 360px !important;
    }
}

/* ============================================================
   ТЕЛЕФОНЫ (≤640px)
   ============================================================ */

@media (max-width: 640px) {
    .product-hero {
        padding: 18px 14px 24px;
    }

    /* фото сверху */
    .product-hero__visual-wrap {
        order: -1;
    }

    .product-hero__content {
        order: 2;
        margin-top: 18px;
        max-width: 100%;
    }

    .product-hero__visual {
        max-width: 260px !important;
        aspect-ratio: 1 / 1 !important;
        margin: 0 auto;
    }

    .product-hero__eyebrow {
        font-size: 9px;
    }

    .product-hero__title {
        font-size: clamp(26px, 8vw, 34px);
    }

    .product-meta {
        gap: 6px;
    }

    .product-buy {
        width: 100%;
    }

    .product-thumbs {
        justify-content: center;
    }

    .product-thumb {
        width: 44px;
        height: 44px;
    }

    .gb-wrap {
        padding: 8px 12px 32px;
    }

    .gb__inner {
        padding: 16px 14px;
    }

    .gb--chars .gb-char-groups {
        grid-template-columns: 1fr;
    }

    .product-page__tooth {
        width: min(260px, 80vw) !important;
        height: min(260px, 80vw) !important;
        opacity: .22 !important;
    }
}

/* Исходная цена валютного товара */
.product-price-source { margin-top: 4px; color: #8a94a6; font-size: 13px; }