:root {
    --bg-color: #F4F1EA;
    --text-color: #1A1A1A;
    --border-primary: #1A1A1A;
    --border-secondary: #666666;
    --card-bg: #ffffff;
    --controls-bg: #EAE6DD;
    --accent-fujifilm: #00843D;
    --accent-kodak: #FFC700;
    --accent-ilford: #555555;
    --accent-agfa: #EF3E34;
    --accent-cinestill: #D71F27;
    --accent-alien-film: #00B4D8;
    --accent-efiniti: #FF6B6B;
    --accent-harman: #FF8C00;
    --accent-rollei: #4A90E2;
    --accent-lomography: #FF69B4;
    --accent-lloyds-pharmacy: #32CD32;
    --accent-kentmere: #8B4513;
    --accent-polaroid: #FFD700;
    --accent-konica: #FF4500;
    --accent-efke: #9370DB;
    --accent-jessops: #FF1493;
    --accent-porst: #20B2AA;
    --accent-wolfen: #DC143C;
    --accent-shanghai: #FF6347;
    --accent-york-photo-labs: #4169E1;
    --accent-gaf: #FF8C00;
    --accent-adox: #2E8B57;
    --accent-alfo: #FF6B35;
    --accent-bergger: #8B4513;
    --accent-foma: #4682B4;
    --accent-hazenfilm: #FF1493;
    --accent-jch: #32CD32;
    --accent-klick: #FFD700;
    --accent-kosmo-foto: #FF4500;
    --accent-perutz: #9370DB;
    --accent-rossmann: #FF6347;
    --accent-sakura: #FF69B4;
    --accent-santacolor: #20B2AA;
    --accent-svema: #DC143C;
    --accent-tasma: #4169E1;
    --accent-three-film-rolls: #FF8C00;
    --accent-minolta: #FF6B35;
    --accent-orwo: #4682B4;
    --accent-unknown: #808080;
    --font-heading: 'Bebas Neue', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Courier Prime', monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scrollbar-gutter: stable;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-color);
}

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; letter-spacing: 2px; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }

a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

/* Bordered controls: invert to black on hover, press, focus, or .active */
:is(
    .cta-button,
    .mobile-menu-toggle,
    .mobile-filters-toggle,
    .mobile-menu-return,
    .mobile-menu-nav a,
    .btn-base,
    .filter-toggle,
    .lightbox-btn,
    .view-btn-lightbox
):is(:hover, :active),
.mobile-menu-nav a:focus-visible,
:is(.btn-base, .view-btn-lightbox).active {
    background: var(--text-color);
    color: var(--card-bg);
    border-color: var(--text-color);
}

p a {
    font-weight: bold;
    text-decoration: underline;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-links a {
    color: var(--text-color);
    font-family: var(--font-heading);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    transition: text-decoration 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 1.5rem;
}

#siteNav {
    background: var(--card-bg);
    border-bottom: 2px solid var(--border-primary);
    margin-bottom: 2rem;
}

.nav-container {
    position: relative;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-links a:hover {
    text-decoration: underline;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-logo--static {
    text-decoration: none;
    text-transform: uppercase;
    cursor: default;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
}

.site-logo-mark {
    display: block;
    width: auto;
    height: 1.25em;
    flex-shrink: 0;
    object-fit: contain;
}

.site-logo .site-logo-mark-wrap {
    position: relative;
    display: block;
    flex-shrink: 0;
}

.site-logo .site-logo-mark--hover {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.site-logo .site-logo-mark--default {
    transition: opacity 0.15s ease;
}

.nav-logo.site-logo:hover .site-logo-mark--default {
    opacity: 0;
}

.nav-logo.site-logo:hover .site-logo-mark--hover {
    opacity: 1;
}

.nav-logo.site-logo .site-logo-mark-wrap {
    height: 1.25em;
}

.nav-logo.site-logo .site-logo-mark-wrap .site-logo-mark {
    height: 1.25em;
}

.site-nav-fixed {
    --site-nav-height: 4.75rem;
    --site-nav-offset: var(--site-nav-height);
    padding-top: var(--site-nav-height);
}

.site-nav-fixed #siteNav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1100;
    margin-bottom: 0;
    transition: transform 0.25s ease;
    will-change: transform;
}

.site-nav-fixed #siteNav.nav-hidden {
    transform: translateY(-100%);
}

.scroll-to-top {
    position: fixed;
    right: max(16px, env(safe-area-inset-right));
    bottom: max(16px, env(safe-area-inset-bottom));
    z-index: 1050;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    padding: 0;
    background-color: var(--card-bg);
    border: 2px solid var(--border-primary);
    border-radius: 0;
    color: var(--text-color);
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(12px);
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
    touch-action: manipulation;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.scroll-to-top:focus-visible {
    outline: 3px solid var(--text-color);
    outline-offset: 2px;
}

.scroll-to-top i {
    font-size: 1.35rem;
}

footer {
    padding: 2rem 0;
    border-top: 2px solid var(--border-primary);
    color: var(--text-color);
    font-size: 14px;
    background-color: var(--card-bg);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(220px, 1fr);
    gap: 2rem;
    padding: 0 2rem;
    align-items: start;
}

.footer-section h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin: 0 0 1rem;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-copy {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    opacity: 0.6;
    line-height: 1.5;
}

.footer-copy p {
    margin: 0;
}

.footer-copy a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.footer-copy a:hover {
    color: var(--accent-kodak);
}

.footer-link-groups {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-link-group .footer-links {
    border-left: 2px solid var(--border-primary);
    padding-left: 0.75rem;
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-links--solo {
    padding-left: calc(0.75rem + 2px);
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    width: fit-content;
    max-width: 100%;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-kodak);
}

.footer-links a i {
    font-size: 1.1rem;
    opacity: 0.8;
}

.main-content {
    min-height: calc(100vh - 200px);
}

.container {
    margin: 0 auto;
}

.content-section {
    background: var(--card-bg);
    border-left: 3px dashed var(--border-secondary);
    border-right: 3px dashed var(--border-secondary);
    padding: 3rem 2rem;
    max-width: 1200px;
    margin-inline: auto;
}

.fold-line {
    width: 100%;
    height: 0;
    border-top: 3px dashed var(--border-secondary);
}

.site-header {
    text-align: center;
    background: var(--card-bg);
    border: 2px solid var(--border-primary);
    padding: 3rem 2rem;
}

.site-header-logo {
    margin: 0 0 1rem;
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
    letter-spacing: inherit;
}

.site-header .nav-logo {
    font-size: 3rem;
    gap: 1rem;
}

.site-header p {
    font-size: 1.2rem;
    max-width: 850px;
    margin: 0 auto 2rem auto;
    opacity: 0.9;
}

.text-heading {
    font-family: var(--font-heading);
    color: var(--text-color);
    line-height: 1.1;
    font-size: 1.5rem;
}

.text-body {
    color: var(--text-color);
    line-height: 1.6;
}

.text-body span {
    font-weight: 700;
    color: var(--text-color);
}

.content-section h2 {
    margin-bottom: 2rem;
    text-align: center;
}

.browse-cta {
    text-align: center;
    margin-bottom: 3rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-kodak);
    color: var(--text-color);
    padding: 1rem 2rem;
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid var(--accent-kodak);
}

.cta-button:is(:hover, :active) {
    transform: translateY(-2px);
}

.home-showcase-heading {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.home-showcase-heading h2 {
    grid-column: 2;
    text-align: center;
    margin-bottom: 0;
}

.home-showcase-refresh {
    grid-column: 3;
    justify-self: end;
}

.home-showcase-section a.gallery-item {
    text-decoration: none;
}

.home-showcase-more {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    padding: 1rem;
}

.home-showcase-more-text {
    font-family: var(--font-heading);
    font-size: 2rem;
    line-height: 1.1;
    text-align: center;
    text-transform: uppercase;
    color: var(--text-color);
    margin: 0;
}

.home-showcase-section .gallery-grid {
    margin: 2rem 0;
}

.home-showcase-section .gallery-item-info {
    flex-grow: 0;
    padding: 1rem 0;
}

.home-showcase-section .gallery-item-title {
    margin-bottom: 0;
    height: auto;
}

.about-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.about-actions .resource-card {
    height: 100%;
}

.featured-groups {
    display: grid;
    gap: 2.5rem;
}

.featured-group h2 {
    text-align: center;
    margin: 0 0 1rem;
}

.featured-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
    justify-content: center;
}

.featured-chip {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    max-width: 100%;
    padding: 0.625rem 0.75rem;
    background: var(--card-bg);
    border: 2px solid var(--border-primary);
    color: var(--text-color);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.2;
    transition: transform 0.3s ease;
}

.featured-chip:hover {
    transform: translateY(-2px);
}

.featured-chip--brand {
    border-bottom: 4px solid var(--featured-accent, var(--border-primary));
}

.about-text {
    text-align: center;
}

.about-text p {
    margin: 0 0 1rem;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.resource-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: var(--card-bg);
    border: 2px solid var(--border-primary);
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
    text-align: center;
}

.resource-card:hover {
    transform: translateY(-5px);
}

.resource-card i {
    font-size: 3rem;
    color: var(--accent-kodak);
}

.resource-card h3 {
    font-size: 1.5rem;
    margin: 0;
}

.contributors-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
    margin-top: 1.5rem;
    justify-content: center;
}

.contributor-card {
    width: fit-content;
    max-width: 100%;
    background: var(--card-bg);
    border: 2px solid var(--border-primary);
    padding: 0.625rem 0.75rem;
    transition: transform 0.3s ease;
}

a.contributor-card {
    text-decoration: none;
    color: inherit;
}

.contributor-card:hover {
    transform: translateY(-2px);
}

.contributor-card--cta {
    border-color: var(--accent-kodak);
}

.contributor-card--cta .contribution-count {
    color: var(--text-color);
}

.contributor-info h3 {
    font-family: var(--font-body);
    font-size: 1rem;
    margin-bottom: 0.15rem;
    line-height: 1.2;
    white-space: nowrap;
}

.contribution-count {
    color: #666;
    font-size: 0.75rem;
    white-space: nowrap;
}

.header-decoration {
    display: flex;
    justify-content: center;
    gap: 8px;
    height: 6px;
    margin: 2rem auto 0;
}

.header-decoration span {
    width: 60px;
    height: 100%;
}

.mobile-menu-toggle,
.mobile-filters-toggle,
.mobile-menu-return {
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 2px solid var(--border-primary);
    border-radius: 0;
    background: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    touch-action: manipulation;
    transition: all 0.2s ease;
}

.mobile-menu-toggle {
    position: absolute;
    right: max(12px, env(safe-area-inset-right));
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 48px;
    height: 48px;
}

.mobile-filters-toggle {
    position: absolute;
    left: max(12px, env(safe-area-inset-left));
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: auto;
    height: 48px;
    padding: 0 0.65rem;
    gap: 0.35rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.mobile-filters-toggle span {
    line-height: 1;
}

.mobile-menu-toggle:focus-visible,
.mobile-filters-toggle:focus-visible,
.mobile-menu-return:focus-visible {
    outline: 3px solid var(--text-color);
    outline-offset: 2px;
}

.mobile-menu-toggle i,
.mobile-filters-toggle i {
    font-size: 1.5rem;
}

.mobile-menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1250;
    background: rgba(26, 26, 26, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    pointer-events: none;
}

.mobile-menu-backdrop.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 1300;
    display: grid;
    grid-template-rows: auto 1fr;
    width: 100%;
    height: 100%;
    max-height: 100dvh;
    background: var(--card-bg);
    overflow: hidden;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.25s ease, visibility 0.25s ease;
}

.mobile-nav-menu {
    transform: translateX(100%);
}

.mobile-filters-menu {
    transform: translateX(-100%);
}

.mobile-menu.is-open {
    visibility: visible;
    pointer-events: auto;
    transform: translateX(0);
}

.mobile-menu-return {
    width: 100%;
    min-height: 56px;
    padding: max(1rem, env(safe-area-inset-top)) 1.5rem 1rem;
    border-top: 0;
    border-left: 0;
    border-right: 0;
    border-bottom: 2px solid var(--accent-kodak);
    background: var(--accent-kodak);
    color: var(--text-color);
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 4vw, 1.5rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    gap: 0.5rem;
}

.mobile-menu-return i {
    font-size: 1.35rem;
    line-height: 1;
}

.mobile-menu-logo {
    display: block;
    width: min(100%, 320px);
    padding: 0;
    margin-bottom: 0.25rem;
    color: var(--text-color);
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 6vw, 2.5rem);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-align: center;
    text-transform: uppercase;
}

.mobile-menu-logo.site-logo {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.625rem;
}

.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    min-height: 0;
    padding: 1.5rem;
    border: 0;
    margin: 0;
}

.mobile-menu-nav--centered {
    align-self: stretch;
}

.mobile-menu-nav a {
    display: block;
    width: min(100%, 320px);
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-primary);
    background: var(--controls-bg);
    color: var(--text-color);
    font-family: var(--font-heading);
    font-size: clamp(1.35rem, 5vw, 1.75rem);
    letter-spacing: 0.06em;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    transition: all 0.2s ease;
}

.mobile-menu-nav a:focus-visible {
    outline: none;
    text-decoration: none;
}

.mobile-menu-filters {
    min-height: 0;
    overflow-y: auto;
    padding: 1rem 1rem max(1rem, env(safe-area-inset-bottom));
    margin-top: 3rem;
    -webkit-overflow-scrolling: touch;
}

.mobile-menu-filters:empty {
    display: none;
}

body.mobile-menu-open,
body.mobile-filters-open,
body.lightbox-open {
    overflow: hidden;
    overscroll-behavior: none;
}

html:has(body.lightbox-open) {
    overflow: hidden;
}

body.lightbox-open #siteNav {
    transform: translateY(-100%);
    transition: none;
}

@media (max-width: 1200px) {
    #siteNav .nav-logo .nav-logo-text,
    #siteNav .nav-logo .nav-logo-text--desktop,
    #siteNav .nav-logo .nav-logo-text--mobile {
        display: none;
    }

    #siteNav .nav-logo.site-logo .site-logo-mark-wrap,
    #siteNav .nav-logo.site-logo .site-logo-mark-wrap .site-logo-mark {
        height: 2rem;
    }
}

@media (max-width: 768px) {

    .mobile-menu-toggle,
    .mobile-menu-return {
        display: inline-flex;
    }

    .gallery-page .mobile-filters-toggle {
        display: inline-flex;
    }

    .mobile-menu .mobile-menu-return {
        display: flex;
    }

    .site-header {
        margin: 0 0 1rem;
        padding: 2rem 1rem;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

    .site-header .nav-logo {
        font-size: 2.5rem;
    }

    .nav-container {
        justify-content: center;
        padding: 1rem 3.75rem;
    }

    .nav-links {
        display: none;
    }

    .nav-logo {
        font-size: 1.35rem;
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }

    .container {
        padding: 0 1rem;
    }
    
    .about-actions {
        grid-template-columns: 1fr;
    }

    .contributor-info h3 {
        white-space: normal;
        overflow-wrap: anywhere;
    }

    .home-showcase-section .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    .site-header .nav-logo {
        font-size: 2rem;
    }

    .nav-container {
        padding-left: 3.25rem;
        padding-right: 3.25rem;
    }

    .site-header p {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .resource-card {
        padding: 1.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .mobile-menu,
    .mobile-menu-backdrop,
    .site-nav-fixed #siteNav,
    .scroll-to-top,
    .site-logo .site-logo-mark--default,
    .site-logo .site-logo-mark--hover {
        transition: none;
    }

    .scroll-to-top.visible {
        transform: none;
    }
}