:root {
    --bg: #050505;
    --text: #f3f3f0;
    --muted: #9b9b95;
    --line: rgba(255, 255, 255, 0.12);
    --line-strong: rgba(255, 255, 255, 0.2);
    --chip: rgba(255, 255, 255, 0.04);
    --chip-active: rgba(255, 255, 255, 0.12);
    --content-width: min(1240px, calc(100vw - 72px));
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: dark;
}

body {
    margin: 0;
    background: radial-gradient(circle at top, rgba(255, 255, 255, 0.04), transparent 35%), var(--bg);
    color: var(--text);
    font-family: "Inter", "Segoe UI", "Helvetica Neue", sans-serif;
    font-weight: 300;
    line-height: 1.65;
}

img {
    display: block;
    max-width: 100%;
    -webkit-user-drag: none;
    user-select: none;
    -webkit-touch-callout: none;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input {
    font: inherit;
}

.site-shell {
    min-height: 100vh;
}

.site-header,
.site-main,
.site-footer {
    width: var(--content-width);
    margin: 0 auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 32px 0 26px;
}

.site-logo {
    font-size: 0.88rem;
    font-weight: 300;
    letter-spacing: 0.34em;
    text-transform: lowercase;
}

.site-nav {
    display: flex;
    gap: 22px;
    font-size: 0.75rem;
    letter-spacing: 0.18em;
}

.site-nav a {
    color: var(--muted);
    transition: color 180ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
    color: var(--text);
}

.site-main {
    padding: 26px 0 112px;
}

.hero {
    margin: 0 0 48px;
}

.hero-tagline {
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
    letter-spacing: 0.09em;
}

.gallery-grid {
    column-count: 2;
    column-gap: 30px;
}

.gallery-card {
    break-inside: avoid;
    margin: 0 0 32px;
}

.gallery-media {
    position: relative;
}

.gallery-trigger {
    position: relative;
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: none;
    color: inherit;
    cursor: pointer;
}

.gallery-trigger img {
    width: 100%;
    height: auto;
}

.gallery-overlay {
    position: absolute;
    inset: 38% 0 0;
    display: grid;
    align-content: end;
    gap: 2px;
    padding: 22px 16px 16px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.84) 0%, rgba(0, 0, 0, 0.58) 38%, rgba(0, 0, 0, 0.18) 72%, rgba(0, 0, 0, 0) 100%);
    color: #f7f7f3;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
    text-align: left;
}

.gallery-open {
    display: none;
}

@media (hover: hover) and (pointer: fine) {
    .gallery-card:hover .gallery-overlay,
    .gallery-card:focus-within .gallery-overlay {
        opacity: 1;
    }
}

.text-page {
    max-width: 720px;
    padding-top: 36px;
}

.text-page p {
    margin: 0 0 32px;
    color: var(--muted);
    font-size: 1rem;
}

.system-list {
    list-style: none;
    margin: 44px 0 0;
    padding: 0;
}

.system-list li {
    padding: 18px 0;
    border-top: 1px solid var(--line);
    font-size: clamp(2rem, 4vw, 3.4rem);
    letter-spacing: 0.04em;
}

.system-list li:last-child {
    border-bottom: 1px solid var(--line);
}

.system-list a {
    display: block;
    color: inherit;
    transition: color 180ms ease;
}

.system-list a:hover,
.system-list a:focus-visible {
    color: var(--text);
}

.search-page {
    padding-top: 8px;
}

.search-minimal {
    display: grid;
    gap: 24px;
}

.filter-bar {
    display: grid;
    gap: 22px;
    padding: 0 0 18px;
    border-bottom: 1px solid var(--line);
}

.filter-bar-refined {
    grid-template-columns: minmax(0, 1fr);
}

.filter-field {
    display: grid;
    gap: 10px;
}

.filter-label {
    margin: 0;
    color: var(--muted);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0 14px;
    border: 1px solid var(--line);
    background: var(--chip);
    color: var(--muted);
    font-size: 0.84rem;
    letter-spacing: 0.03em;
    transition: border-color 180ms ease, color 180ms ease, background-color 180ms ease;
}

.filter-chip:hover,
.filter-chip:focus-visible {
    border-color: var(--line-strong);
    color: var(--text);
}

.filter-chip.is-active {
    border-color: rgba(255, 255, 255, 0.28);
    background: var(--chip-active);
    color: var(--text);
}

.filter-keyword-form {
    gap: 12px;
}

.filter-keyword-row {
    display: flex;
    align-items: center;
    gap: 16px;
}

.filter-keyword-row input {
    flex: 1 1 auto;
    min-width: 0;
    padding: 12px 0;
    border: 0;
    border-bottom: 1px solid var(--line);
    background: transparent;
    color: var(--text);
    outline: none;
}

.filter-keyword-row input:focus {
    border-bottom-color: var(--line-strong);
}

.filter-keyword-row input::placeholder {
    color: rgba(255, 255, 255, 0.34);
}

.filter-submit,
.filter-reset {
    color: var(--muted);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    white-space: nowrap;
}

.filter-submit {
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.filter-submit:hover,
.filter-reset:hover {
    color: var(--text);
}

.result-count {
    margin: 0;
    color: var(--muted);
    font-size: 0.78rem;
    letter-spacing: 0.09em;
}

.empty-state {
    margin: 0;
    color: var(--muted);
}

.lightbox {
    width: 100vw;
    max-width: none;
    height: 100vh;
    max-height: none;
    padding: 0;
    border: 0;
    background: rgba(0, 0, 0, 0.94);
}

.lightbox::backdrop {
    background: rgba(0, 0, 0, 0.94);
}

.lightbox-frame {
    position: relative;
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr) 72px;
    align-items: center;
    width: min(1440px, calc(100vw - 24px));
    height: 100vh;
    margin: 0 auto;
}

.lightbox-figure {
    margin: 0;
    display: grid;
    gap: 18px;
    justify-items: center;
}

.lightbox-figure img {
    max-height: calc(100vh - 180px);
    width: auto;
    object-fit: contain;
}

.lightbox-meta {
    width: min(780px, 100%);
    color: var(--muted);
    font-size: 0.8rem;
    letter-spacing: 0.04em;
}

.lightbox-meta p {
    margin: 0 0 6px;
}

.lightbox-close,
.lightbox-nav {
    border: 0;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-size: 0.72rem;
}

.lightbox-close {
    position: absolute;
    top: 28px;
    right: 0;
}

.lightbox-prev {
    justify-self: start;
}

.lightbox-next {
    justify-self: end;
}

.site-footer {
    padding: 0 0 28px;
    color: var(--muted);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
}

.site-footer p {
    margin: 0 0 4px;
}

@media (max-width: 820px) {
    :root {
        --content-width: calc(100vw - 28px);
    }

    .site-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .site-nav {
        gap: 16px;
        flex-wrap: wrap;
    }

    .gallery-grid {
        column-count: 1;
    }

    .gallery-card.is-active .gallery-overlay {
        opacity: 1;
        pointer-events: auto;
    }

    .gallery-open {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: fit-content;
        min-height: 34px;
        margin-top: 10px;
        padding: 0 12px;
        border: 1px solid rgba(255, 255, 255, 0.22);
        background: rgba(255, 255, 255, 0.06);
        color: var(--text);
        letter-spacing: 0.14em;
        text-transform: uppercase;
        font-size: 0.68rem;
        cursor: pointer;
    }

    .filter-keyword-row {
        flex-wrap: wrap;
        align-items: flex-start;
    }

    .lightbox-frame {
        grid-template-columns: 1fr;
        gap: 20px;
        align-items: center;
        padding: 72px 0 24px;
        height: auto;
        min-height: 100vh;
    }

    .lightbox-prev,
    .lightbox-next {
        justify-self: center;
    }
}