body {
    background-color: var(--bg-canvas);
    color: var(--text-body);
    font-family: var(--font-main);
    line-height: 1.5;
    overflow-y: scroll;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-heading);
    font-weight: bold;
}

a {
    color: var(--text-link);
    text-decoration: none;
}

h1 {
    font-size: clamp(3.5rem, 12vw, 90px);
    text-align: center;
    text-transform: uppercase;
    line-height: 1.1;
}

p {
    font-size: var(--text-lg);
    line-height: 1.5;
}

p + p {
    margin-top: var(--space-sm);
}

.info-tooltip-wrapper:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 4px;
    border-radius: 4px;
}

ul {
    padding-left: var(--space-lg);
}

li {
    margin-bottom: var(--space-xs);
}

.l-wrapper {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.l-container {
    width: 100%;
    margin-inline: auto;
    padding-inline: var(--space-sm);
    max-width: var(--container-normal);
}

.l-container.is-wide {
    max-width: var(--container-wide);
}

.l-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-sm);
    list-style: none;
    padding: 0;
    margin: 0;
}

.l-grid > li {
    display: block;
    min-width: 0;
    margin: 0;
}

.l-stack {
    display: flex;
    flex-direction: column;
}

.l-center-x {
    margin-inline: auto;
}

.l-section {
    margin-block: var(--space-lg);
}

.l-section-large {
    margin-block: var(--space-xl);
}

.site-header {
    text-align: center;
}

.site-header-title {
    margin: calc(var(--space-lg) + 0.5rem) 0 var(--space-lg);
}

.site-header-desc {
    font-size: var(--text-xl);
    margin: 0 0 var(--space-sm);
}

.site-header-author {
    font-size: var(--text-md);
    display: block;
    font-style: italic;
}

.site-link {
    text-decoration: underline;
    text-decoration-thickness: 1px;
}
.site-link:hover {
    text-decoration: none;
    color: var(--text-link-hover);
}

.site-nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    flex-wrap: wrap;
    margin-top: var(--space-sm);
    padding: 0.35rem;
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.16);
    backdrop-filter: blur(10px);
}

.site-nav-link {
    color: var(--text-muted);
    font-size: var(--text-sm);
    padding: 0.45rem 0.9rem;
    border: 1px solid transparent;
    border-radius: 999px;
    transition:
        color var(--transition-fast),
        border-color var(--transition-fast),
        background-color var(--transition-fast);
}

.site-nav-link:hover {
    color: var(--text-body);
    background: rgba(255, 255, 255, 0.04);
}

.site-nav-link.is-active {
    color: var(--text-heading);
    border-color: var(--border-focus);
    background: rgba(255, 255, 255, 0.08);
}

.info-tooltip-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: help;
    color: var(--text-muted);
    background: none;
    border: none;
    padding: 0;
}
.info-tooltip-wrapper:hover,
.info-tooltip-wrapper:focus-visible {
    color: var(--text-body);
}
.tooltip-content {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    width: 250px;
    background-color: var(--bg-surface);
    color: var(--text-body);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-focus);
    box-shadow: var(--shadow-md);
    font-size: var(--text-sm);
    opacity: 0;
    pointer-events: none;
    transition:
        opacity var(--transition-fast),
        transform var(--transition-fast);
    z-index: 20;
    text-align: center;
    line-height: 1.4;
}

@media (max-width: 600px) {
    .tooltip-content {
        left: -100px;
        transform: translateX(0) translateY(5px);
    }
    .info-tooltip-wrapper:hover .tooltip-content,
    .info-tooltip-wrapper:focus-visible .tooltip-content {
        transform: translateX(0) translateY(0);
    }
}

.info-tooltip-wrapper:hover .tooltip-content,
.info-tooltip-wrapper:focus-visible .tooltip-content {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.folk-card {
    display: block;
    width: 100%;
    padding-top: 100%;
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition:
        transform var(--transition-base),
        box-shadow var(--transition-base);
    color: var(--text-body);
    overflow: hidden;
    position: relative;
    isolation: isolate;
}

.folk-card:hover,
.folk-card:focus-visible {
    transform: scale(1.04);
    box-shadow: var(--shadow-md);
}

.folk-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    overflow: hidden;
    transition: opacity var(--transition-base);
}

.folk-bg-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: inherit;
}

.folk-card:hover .folk-bg-image,
.folk-card:focus-visible .folk-bg-image {
    opacity: 0.1;
}

.folk-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    justify-content: center;
    align-items: center;
    text-align: center;
    flex-direction: column;
    display: none;
}

.folk-card:hover .folk-content,
.folk-card:focus-visible .folk-content {
    display: flex;
}

.folk-title {
    font-size: var(--text-base);
    margin: 0;
    text-transform: capitalize;
}

.folk-type {
    font-size: var(--text-base);
    margin: 0;
    text-transform: capitalize;
    color: var(--text-muted);
}

.featured-card-wrapper {
    position: relative;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    background: var(--gray-850);
    overflow: hidden;
}

.featured-badge {
    position: absolute;
    top: 0;
    left: 0;
    background: var(--text-heading);
    color: var(--bg-canvas);
    font-size: var(--text-xs);
    font-weight: bold;
    padding: 6px 16px;
    border-bottom-right-radius: var(--radius-xl);
    z-index: 2;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.featured-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.featured-body {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.featured-title {
    font-size: var(--text-2xl);
    margin: 0 0 var(--space-xs) 0;
}

.featured-desc {
    font-size: var(--text-md);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    color: var(--text-muted);
    max-width: 600px;
}
.featured-desc.is-mobile {
    display: none;
}

@media (max-width: 650px) {
    .featured-desc.is-desktop {
        display: none;
    }
    .featured-desc.is-mobile {
        display: block;
    }
}
.featured-desc a {
    color: inherit;
    text-decoration: underline;
    text-decoration-color: var(--border-focus);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition:
        color var(--transition-fast),
        text-decoration-color var(--transition-fast);
}
.featured-desc a:hover {
    color: var(--text-body);
    text-decoration-color: var(--text-body);
}

.featured-desc b,
.featured-desc strong {
    color: var(--text-heading);
    font-weight: 500;
}

.featured-action {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    font-size: var(--text-sm);
    background-color: var(--text-heading);
    color: var(--bg-canvas);
    font-weight: bold;
    border-radius: var(--radius-md);
    text-align: center;
    transition:
        transform var(--transition-fast),
        background-color var(--transition-fast);
}

.featured-action:hover {
    background-color: var(--text-link-hover);
    transform: translateY(-2px);
}

@media (min-width: 651px) {
    .featured-card {
        flex-direction: row;
        align-items: stretch;
    }

    .featured-body {
        flex: 1;
        justify-content: center;
        padding: var(--space-xl);
    }
}

.ui-tag {
    display: inline-block;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: bold;
    text-transform: uppercase;
    background-color: var(--bg-surface);
    color: var(--text-body);
    width: fit-content;
    margin-bottom: var(--space-sm);
}
.ui-tag.is-interactive {
    background-color: var(--tag-interactive);
    color: var(--bg-canvas);
}
.ui-tag.is-designer {
    background-color: var(--tag-designer);
    color: var(--bg-canvas);
}
.ui-tag.is-mastermind {
    background-color: var(--tag-mastermind);
    color: var(--text-heading);
}
.ui-tag.is-maps {
    background-color: var(--tag-maps);
    color: var(--text-heading);
}
.ui-tag.is-hands {
    background-color: var(--tag-hands);
    color: var(--bg-canvas);
}

.works-grid {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: var(--space-md);
}

.works-grid > li {
    margin: 0;
    min-width: 0;
}

.work-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--gray-850);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.work-card:hover {
    border-color: var(--border-focus);
}

.work-media {
    aspect-ratio: 16 / 9;
    background: var(--gray-900);
    overflow: hidden;
}

.work-media img,
.work-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.work-cover {
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background:
        linear-gradient(
            180deg,
            rgba(255, 255, 255, 0.03),
            rgba(255, 255, 255, 0)
        ),
        var(--gray-850);
}

.work-source {
    margin: 0 0 0.35rem;
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.work-title {
    margin: 0 0 0.35rem;
    font-size: var(--text-xl);
    line-height: 1.2;
}

.work-authors {
    margin: 0;
    font-size: var(--text-md);
    color: var(--gray-300);
}

.work-body {
    padding: var(--space-lg);
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: var(--space-md);
}

.work-note {
    margin: 0;
    color: var(--text-body);
}

.filter-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
    padding: 0.4rem var(--space-sm);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    cursor: pointer;
    transition:
        border var(--transition-fast),
        color var(--transition-fast),
        background var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--border-focus);
    color: var(--text-body);
    background: var(--border-hover);
}

.fab-wrapper {
    position: fixed;
    bottom: 20px;
    left: 0;
    width: 100%;
    pointer-events: none;
    display: flex;
    justify-content: flex-end;
    padding-right: 20px;
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    transition:
        opacity var(--transition-base),
        visibility var(--transition-base);
}

.fab-wrapper.is-visible {
    opacity: 1;
    visibility: visible;
}

.fab-wrapper.is-visible .fab-top {
    pointer-events: auto;
}

.fab-top {
    width: 40px;
    height: 40px;
    background-color: var(--bg-canvas);
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    transition:
        border-color var(--transition-base),
        transform var(--transition-base),
        opacity var(--transition-base);
    padding: 0;
    opacity: 0.8;
}

.fab-top:hover {
    opacity: 1;
    border-color: var(--text-muted);
}

.fab-icon-up {
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 8px solid var(--text-muted);
    transition: border-bottom-color var(--transition-base);
}

@media (hover: hover) {
    .fab-top:hover {
        transform: translateY(-2px);
    }
    .fab-top:hover .fab-icon-up {
        border-bottom-color: var(--text-body);
    }
}

.fab-top:active {
    transform: translateY(0);
}
.fab-top:active .fab-icon-up {
    border-bottom-color: var(--text-body);
}

.indicator-letter {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: var(--bg-canvas);
    color: var(--text-muted);
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    font-size: var(--text-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
        opacity var(--transition-base),
        visibility var(--transition-base);
}

.indicator-letter.is-visible {
    opacity: 0.8;
    visibility: visible;
    pointer-events: auto;
}

.site-footer {
    margin-top: auto;
    width: 100%;
    text-align: center;
    padding: var(--space-lg);
    border-radius: var(--radius-xl);
}

.site-footer-inner {
    width: fit-content;
    max-width: 100%;
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
}

.site-footer-text {
    width: auto;
    max-width: 100%;
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin: 0;
    margin-inline: auto;
    text-align: center;
}

.site-footer-line {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
}

.site-footer-heart {
    color: #ffffff;
    display: inline-block;
    flex: 0 0 auto;
    vertical-align: middle;
}

.filter-btn.is-active {
    border-color: var(--border-focus);
    color: var(--text-body);
    background: var(--border-hover);
}

@media (max-width: 768px) {
    .fab-wrapper {
        justify-content: center;
        padding-right: 0;
        bottom: 16px;
    }
    .indicator-letter {
        display: none;
    }

    .site-nav {
        gap: 0.25rem;
        padding: 0.3rem;
    }

    .site-nav-link {
        padding: 0.4rem 0.72rem;
        font-size: var(--text-xs);
    }
}

@media (max-width: 480px) {
    .filter-btn {
        flex: 1 1 25%;
        margin-bottom: var(--space-xs);
        font-size: var(--text-xs);
    }
    .folk-content {
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        align-items: flex-start;
        text-align: left;
        padding: var(--space-md);
        background: linear-gradient(
            to top,
            rgba(0, 0, 0, 0.9) 0%,
            rgba(0, 0, 0, 0) 100%
        );
    }
    .folk-title {
        font-size: var(--text-lg);
        margin-bottom: 0.2rem;
    }
    .folk-type {
        font-size: var(--text-sm);
    }
}

.scroll-letter-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    left: auto;
    transform: none;
    width: 48px;
    height: 48px;
    background-color: var(--bg-canvas);
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-muted);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition:
        opacity var(--transition-base),
        visibility var(--transition-base),
        border-color var(--transition-base);
    z-index: 10;
    pointer-events: none;
}

.scroll-letter-indicator.is-visible {
    opacity: 0.8;
    visibility: visible;
}

@media (max-width: 1024px) {
    .scroll-letter-indicator {
        top: auto;
        bottom: 16px;
        left: calc(50% - 28px);
        right: auto;
        transform: translateX(-100%);
        width: 40px;
        height: 40px;
        font-size: var(--text-base);
    }
}

.filter-info-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.filter-info-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 50%;
    transition:
        color var(--transition-fast),
        background var(--transition-fast);
}

.filter-info-btn:hover {
    color: var(--text-heading);
    background: var(--bg-surface);
}

.filter-info-popup {
    position: absolute;
    bottom: calc(100% + 0.5rem);
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: max-content;
    max-width: 320px;
    background: var(--gray-800);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    z-index: 100;
}

.filter-info-popup ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin: 0;
    padding: 0;
}

.filter-info-popup strong {
    color: var(--text-heading);
}

.filter-info-backdrop {
    display: none;
}

@media (max-width: 639px) {
    .filter-info-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.55);
        z-index: 99;
    }

    .filter-info-popup {
        position: fixed;
        top: 50%;
        left: 50%;
        right: auto;
        bottom: auto;
        transform: translate(-50%, -50%);
        width: max-content;
        max-width: calc(100vw - 2rem);
        z-index: 100;
    }
}