.single-luminaire {
    background: #000;
    color: var(--color-text);
}

.single-luminaire__back{

    position: fixed;

    top: 220px;
    left: 40px;

    z-index: 100;

    display: inline-flex;
    align-items: center;
    gap: 8px;

    background: var(--color-accent);
    color: var(--color-bg);

    border: 1px solid var(--color-accent);

    transition: .25s ease;

}

.single-luminaire__back:hover{

    transform: translateX(-4px);

}

@media (max-width:768px){

    .single-luminaire__back{

        top: 95px;
        left: 16px;

        font-size: 12px;

    }

}

.single-luminaire__hero {
    max-width: 1100px;
    min-height: 540px;
    margin: 0 auto;
    padding: 64px 60px 72px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 90px;
    align-items: center;
}

.single-luminaire__media {
    display: flex;
    flex-direction: column;
    gap: 18px;
    min-width: 0;
}

.single-luminaire__image,
.single-luminaire__gallery-item {
    border: 0;
    padding: 0;
    background: none;
    appearance: none;
    -webkit-appearance: none;
}

.single-luminaire__image {
    display: block;
    width: 100%;
    cursor: zoom-in;
    text-align: left;
}

.single-luminaire__image img {
    width: auto;
    height: auto;
    display: block;
    max-width: 100%;
    max-height: 560px;
    margin: 0 auto;
    object-fit: contain;
}

.single-luminaire__gallery-title {
    margin: 4px 0 2px;
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.single-luminaire__gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.single-luminaire__gallery-item {
    position: relative;
    display: block;
    width: 100%;
    cursor: zoom-in;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    border-radius: 8px;
    transition: transform .25s ease, box-shadow .25s ease;
}

.single-luminaire__gallery-item::after {
    content: "Zoom";
    position: absolute;
    right: 8px;
    bottom: 8px;
    padding: 4px 8px;
    border-radius: 999px;
    background: rgba(0, 0, 0, .55);
    color: #fff;
    font-size: 11px;
    letter-spacing: .04em;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity .25s ease, transform .25s ease;
    pointer-events: none;
}

.single-luminaire__gallery-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    transition: transform .35s ease, filter .35s ease;
}

.single-luminaire__gallery-item:hover,
.single-luminaire__gallery-item:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, .35);
}

.single-luminaire__gallery-item:hover img,
.single-luminaire__gallery-item:focus-visible img {
    transform: scale(1.05);
    filter: brightness(1.08);
}

.single-luminaire__gallery-item:hover::after,
.single-luminaire__gallery-item:focus-visible::after {
    opacity: 1;
    transform: translateY(0);
}

.single-luminaire__gallery-item:focus-visible {
    outline: 2px solid var(--color-light);
    outline-offset: 2px;
}

.single-luminaire__content h1 {
    margin: 0 0 65px;
    font-size: clamp(34px, 4vw, 56px);
}

.single-luminaire__short-description {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 24px;
    color: var(--color-accent);
}

.single-luminaire__details {
    display: grid;
    gap: 10px;
    margin-bottom: 28px;
}

.single-luminaire__detail-row {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
    font-size: 14px;
    line-height: 1.5;
}

.single-luminaire__detail-label {
    color: var(--color-accent);
}

.single-luminaire__detail-value {
    color: var(--color-text);
    overflow-wrap: anywhere;
}

.single-luminaire__description {
    font-size: 16px;
    line-height: 1.6;
    max-width: 420px;
    margin-bottom: 65px;
}

@media (max-width: 768px) {
    .single-luminaire__hero {
        min-height: auto;
        padding: 24px 16px 36px;
        grid-template-columns: 1fr;
        gap: 18px;
        align-items: start;
    }

    .single-luminaire__content {
        order: 1;
    }

    .single-luminaire__media {
        order: 2;
        gap: 12px;
    }

    .single-luminaire__gallery {
        order: 2;
    }

    .single-luminaire__gallery-title {
        order: 1;
        margin: 14px 0 2px;
        font-size: 14px;
        letter-spacing: .08em;
    }

    .single-luminaire__image {
        display: none;
    }

    .single-luminaire__image img {
        max-width: 100%;
        max-height: 42vh;
        width: auto;
        margin: 0 auto;
    }

    .single-luminaire__gallery {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .single-luminaire__gallery-item {
        aspect-ratio: 1 / 1;
    }

    .single-luminaire__short-description {
        margin-bottom: 16px;
        font-size: 15px;
    }

    .single-luminaire__details {
        gap: 8px;
        margin-bottom: 20px;
        padding: 14px 12px;
        border: 1px solid rgba(222, 208, 180, .28);
        border-radius: 10px;
        background: rgba(255, 255, 255, .02);
    }

    .single-luminaire__detail-row {
        grid-template-columns: 1fr;
        gap: 2px;
        font-size: 13px;
    }

    .single-luminaire__content h1 {
        font-size: clamp(30px, 8.5vw, 42px);
        margin-bottom: 16px;
        text-align: center;
    }

    .single-luminaire__description {
        max-width: none;
        font-size: 15px;
        margin-bottom: 20px;
    }

    .single-luminaire__content .button {
        display: flex;
        width: fit-content;
        margin-left: auto;
        margin-right: auto;
    }
}

.single-luminaire__button {
    display: inline-block;
    margin-top: 36px;
    padding: 10px 22px;
    border: 1px solid var(--color-text);
    border-radius: 999px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 13px;
}

.single-luminaire__lightbox {
    width: min(96vw, 1400px);
    height: min(96vh, 1000px);
    padding: 0;
    border: 0;
    background: rgba(0, 0, 0, .95);
    color: var(--color-text);
    overflow: hidden;
}

.single-luminaire__lightbox::backdrop {
    background: rgba(0, 0, 0, .88);
}

.single-luminaire__lightbox-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.single-luminaire__lightbox-close {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 1;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, .12);
    color: var(--color-text);
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.single-luminaire__lightbox-close:hover {
    background: rgba(255, 255, 255, .22);
}

@media (max-width: 768px) {
    .single-luminaire__gallery {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .single-luminaire__lightbox {
        width: 100vw;
        height: 100vh;
        max-width: none;
        max-height: none;
    }
}