.information-gallery {
    --ig-accent: var(--ra, #0b96da);
    --ig-accent-dark: #0876ad;
    --ig-ink: #17202a;
    --ig-muted: #5d6873;
    --ig-border: #dce4ea;
    --ig-surface: #ffffff;
    color: var(--ig-ink);
    margin: 0 auto;
    max-width: 1100px;
    text-align: left;
}

.ig-heading {
    margin: 0 auto 2rem;
    max-width: 820px;
    text-align: center;
}

.ig-heading__title {
    color: var(--ig-accent-dark);
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    margin: 0 0 0.65rem;
}

.ig-heading__intro {
    color: var(--ig-muted);
    font-size: 1.05rem;
    line-height: 1.65;
    margin: 0;
}

.ig-authors {
    background: linear-gradient(135deg, #edf8ff 0%, #f8fcff 100%);
    border: 1px solid #b9def1;
    border-left: 5px solid var(--ig-accent);
    border-radius: 12px;
    box-shadow: 0 8px 22px rgba(18, 100, 145, 0.1);
    margin: 1.4rem auto 0;
    max-width: 760px;
    padding: 1rem 1.2rem;
    text-align: left;
}

.ig-authors__label {
    color: var(--ig-accent-dark);
    display: block;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    margin-bottom: 0.7rem;
    text-transform: uppercase;
}

.ig-authors__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.ig-authors__list li {
    background: #fff;
    border: 1px solid #d6e9f3;
    border-radius: 999px;
    box-shadow: 0 2px 7px rgba(18, 72, 103, 0.08);
    color: #173b50;
    font-size: 0.95rem;
    font-weight: 700;
    padding: 0.55rem 0.85rem;
}

.ig-empty {
    background: #f5f8fa;
    border: 1px solid var(--ig-border);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
}

.ig-list {
    display: grid;
    gap: 2rem;
}

.ig-card {
    background: var(--ig-surface);
    border: 1px solid var(--ig-border);
    border-radius: 20px;
    box-shadow: 0 12px 36px rgba(18, 47, 66, 0.09);
    display: grid;
    grid-template-columns: minmax(280px, 38%) minmax(0, 1fr);
    overflow: hidden;
}

.ig-card__media {
    align-items: stretch;
    background: #03070c;
    color: #fff;
    display: flex;
    justify-content: center;
    min-height: 390px;
    overflow: hidden;
    position: relative;
    text-decoration: none;
}

.ig-card__media:focus-visible {
    outline: 4px solid #f7b733;
    outline-offset: -4px;
}

.ig-card__media img {
    height: 100%;
    object-fit: contain;
    transition: transform 250ms ease, opacity 250ms ease;
    width: 100%;
}

.ig-card__media:hover img {
    opacity: 0.88;
    transform: scale(1.025);
}

.ig-card__zoom {
    align-items: center;
    backdrop-filter: blur(8px);
    background: rgba(5, 13, 21, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 999px;
    bottom: 1rem;
    display: inline-flex;
    font-size: 0.9rem;
    font-weight: 700;
    gap: 0.45rem;
    left: 50%;
    padding: 0.65rem 0.95rem;
    position: absolute;
    transform: translateX(-50%);
    white-space: nowrap;
}

.ig-card__zoom-icon {
    font-size: 1.35rem;
    line-height: 0.75;
}

.ig-card__content {
    padding: clamp(1.4rem, 3vw, 2.15rem);
}

.ig-card__header {
    border-bottom: 1px solid var(--ig-border);
    margin-bottom: 1.2rem;
    padding-bottom: 1rem;
}

.ig-card__title {
    color: var(--ig-accent-dark);
    font-size: clamp(1.55rem, 3vw, 2rem);
    font-weight: 750;
    line-height: 1.15;
    margin: 0;
}

.ig-card__subtitle {
    color: var(--ig-muted);
    font-size: 1.05rem;
    font-style: italic;
    margin: 0.35rem 0 0;
}

.ig-facts {
    display: grid;
    gap: 0.7rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin: 0 0 1.35rem;
}

.ig-facts__item {
    background: #f3f8fb;
    border-radius: 10px;
    min-width: 0;
    padding: 0.75rem;
}

.ig-facts dt {
    color: var(--ig-accent-dark);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    margin-bottom: 0.2rem;
    text-transform: uppercase;
}

.ig-facts dd {
    color: #30404d;
    font-size: 0.9rem;
    line-height: 1.35;
    margin: 0;
}

.ig-description p {
    color: #34434f;
    font-size: 1rem;
    line-height: 1.72;
    margin: 0 0 1rem;
    text-align: justify;
}

.ig-description p:last-child {
    margin-bottom: 0;
}

.ig-observation {
    background: #eef8fd;
    border-left: 4px solid var(--ig-accent);
    border-radius: 0 12px 12px 0;
    margin-top: 1.4rem;
    padding: 1rem 1.15rem;
}

.ig-observation__label {
    color: var(--ig-accent-dark);
    display: block;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    margin-bottom: 0.35rem;
    text-transform: uppercase;
}

.ig-observation p {
    color: #30404d;
    font-size: 0.94rem;
    line-height: 1.6;
    margin: 0;
}

.ig-lightbox[hidden] {
    display: none;
}

.ig-lightbox {
    align-items: center;
    display: flex;
    inset: 0;
    justify-content: center;
    opacity: 0;
    padding: 2vh 2vw;
    position: fixed;
    transition: opacity 180ms ease;
    visibility: hidden;
    z-index: 20000;
}

.ig-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.ig-lightbox__backdrop {
    background: rgba(0, 5, 10, 0.94);
    cursor: zoom-out;
    inset: 0;
    position: absolute;
}

.ig-lightbox__dialog {
    background: #071018;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 16px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    height: min(94vh, 980px);
    max-width: 1500px;
    overflow: hidden;
    position: relative;
    transform: translateY(8px) scale(0.99);
    transition: transform 180ms ease;
    width: 96vw;
    z-index: 1;
}

.ig-lightbox.is-open .ig-lightbox__dialog {
    transform: translateY(0) scale(1);
}

.ig-lightbox__header {
    align-items: center;
    background: #0b1720;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    min-height: 68px;
    padding: 0.75rem 1rem 0.75rem 1.25rem;
}

.ig-lightbox__heading {
    min-width: 0;
}

.ig-lightbox__heading h2 {
    color: #fff;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

.ig-lightbox__heading p {
    color: #aebdca;
    font-size: 0.85rem;
    margin: 0.2rem 0 0;
}

.ig-lightbox__tools {
    align-items: center;
    display: flex;
    flex: 0 0 auto;
    gap: 0.75rem;
}

.ig-lightbox__count {
    color: #b9c5ce;
    font-size: 0.85rem;
}

.ig-lightbox__original {
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 999px;
    color: #fff;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 0.5rem 0.8rem;
    text-decoration: none;
}

.ig-lightbox__original:hover,
.ig-lightbox__original:focus {
    background: #fff;
    color: #071018;
}

.ig-lightbox__close,
.ig-lightbox__nav {
    align-items: center;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.24);
    color: #fff;
    display: inline-flex;
    justify-content: center;
}

.ig-lightbox__close {
    border-radius: 50%;
    font-size: 1.6rem;
    height: 42px;
    line-height: 1;
    width: 42px;
}

.ig-lightbox__close:hover,
.ig-lightbox__close:focus,
.ig-lightbox__nav:hover,
.ig-lightbox__nav:focus {
    background: #fff;
    color: #071018;
}

.ig-lightbox__stage {
    align-items: center;
    display: flex;
    justify-content: center;
    min-height: 0;
    overflow: hidden;
    position: relative;
}

.ig-lightbox__image-wrap {
    align-items: center;
    display: flex;
    height: 100%;
    justify-content: center;
    min-height: 0;
    padding: 1rem 4.5rem;
    position: relative;
    width: 100%;
}

.ig-lightbox__image-wrap img {
    display: block;
    height: 100%;
    max-width: 100%;
    object-fit: contain;
    opacity: 1;
    transition: opacity 150ms ease;
    width: 100%;
}

.ig-lightbox__image-wrap img.is-loading {
    opacity: 0;
}

.ig-lightbox__status {
    color: #dce6ec;
    font-size: 0.95rem;
    left: 50%;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
}

.ig-lightbox__status[hidden] {
    display: none;
}

.ig-lightbox__nav {
    border-radius: 50%;
    font-size: 2rem;
    height: 50px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    z-index: 2;
}

.ig-lightbox__nav--prev {
    left: 1rem;
}

.ig-lightbox__nav--next {
    right: 1rem;
}

.ig-lightbox__nav[hidden] {
    display: none;
}

body.ig-no-scroll {
    overflow: hidden;
}

@media (max-width: 920px) {
    .ig-card {
        grid-template-columns: 1fr;
    }

    .ig-card__media {
        aspect-ratio: 3 / 2;
        min-height: 0;
    }

    .ig-facts {
        grid-template-columns: repeat(3, minmax(120px, 1fr));
        overflow-x: auto;
    }
}

@media (max-width: 600px) {
    .information-gallery {
        padding: 0 0.25rem;
    }

    .ig-list {
        gap: 1.35rem;
    }

    .ig-card {
        border-radius: 14px;
    }

    .ig-card__content {
        padding: 1.25rem;
    }

    .ig-authors__list {
        display: grid;
    }

    .ig-authors__list li {
        border-radius: 9px;
    }

    .ig-description p {
        text-align: left;
    }

    .ig-lightbox {
        padding: 0;
    }

    .ig-lightbox__dialog {
        border: 0;
        border-radius: 0;
        height: 100vh;
        width: 100vw;
    }

    .ig-lightbox__header {
        align-items: flex-start;
        padding: 0.7rem;
    }

    .ig-lightbox__count,
    .ig-lightbox__original {
        display: none;
    }

    .ig-lightbox__image-wrap {
        padding: 0.5rem 3.5rem;
    }

    .ig-lightbox__nav {
        height: 42px;
        width: 42px;
    }

    .ig-lightbox__nav--prev {
        left: 0.5rem;
    }

    .ig-lightbox__nav--next {
        right: 0.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ig-card__media img,
    .ig-lightbox,
    .ig-lightbox__dialog,
    .ig-lightbox__image-wrap img {
        transition: none;
    }
}