:root {
    --bg-color: #faf7f2;
    --bg-alt: #f3ede4;
    --surface-color: #ffffff;
    --surface-soft: #fcfaf6;
    --text-color: #2f2724;
    --muted-color: #6b5f58;
    --accent-color: #7f2438;
    --accent-dark: #4a2437;
    --accent-soft: #b18645;
    --border-color: #d8cfc4;
    --shadow-color: rgba(54, 42, 36, 0.08);
    --container-width: 1120px;
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --transition: 0.25s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, sans-serif;
    color: var(--text-color);
    background: var(--bg-color);
    line-height: 1.65;
}

img {
    max-width: 100%;
    display: block;
}

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

button,
input,
textarea,
select {
    font: inherit;
}

.container {
    width: min(calc(100% - 2rem), var(--container-width));
    margin: 0 auto;
}

.narrow-content {
    width: min(100%, 760px);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: #241b20;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 72px;
}

.site-brand {
    color: #f2d8a0;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.55rem;
    font-weight: 700;
}

.site-brand-title {
    display: inline-block;
}

.site-nav ul {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-link {
    display: inline-block;
    padding: 0.55rem 0.8rem;
    border-bottom: 2px solid transparent;
    color: #f7f1ea;
    transition: color var(--transition), border-color var(--transition), background-color var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active {
    color: #f2d8a0;
    border-bottom-color: #f2d8a0;
}

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-sm);
    background: transparent;
    color: #ffffff;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 5px auto;
    background: currentColor;
    transition: transform var(--transition), opacity var(--transition);
}

.hero {
    padding: 2.5rem 0 1.75rem;
}

.page-hero {
    padding: 2rem 0 1rem;
}

.two-column {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    align-items: start;
}

.feature-card,
.text-panel,
.info-card,
.music-item,
.note-box,
.gallery-card,
.lightbox-dialog {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.feature-card {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    align-items: stretch;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.history-card {
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
}

.feature-copy,
.text-panel,
.info-card,
.music-item,
.note-box {
    padding: 1.35rem;
}

.hero h1,
.page-hero h1,
.section h2,
.lightbox-text h2 {
    margin: 0 0 0.85rem;
    font-family: Georgia, "Times New Roman", serif;
    line-height: 1.2;
    color: var(--accent-dark);
}

.hero h1 {
    font-size: clamp(2rem, 3.7vw, 3rem);
}

.page-hero h1 {
    font-size: clamp(1.9rem, 3.1vw, 2.6rem);
}

.hero p,
.page-hero p,
.section p,
.music-item p,
.info-card p {
    margin: 0;
    color: var(--muted-color);
}

.page-kicker {
    margin: 0 0 0.55rem;
    color: var(--accent-color);
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.button,
.filter-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0.7rem 1.1rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.button-primary {
    margin-top: 1.2rem;
    background: var(--accent-color);
    color: #ffffff;
    font-weight: 600;
}

.button-primary:hover,
.button-primary:focus-visible {
    background: #6a1d2f;
}

.section {
    padding: 1.25rem 0 2.5rem;
}

.section-heading {
    margin-bottom: 1.2rem;
}

.section-heading h2 {
    margin-bottom: 0.35rem;
}

.card-grid,
.music-grid,
.gallery-grid {
    display: grid;
    gap: 1rem;
}

.card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.music-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gallery-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-card {
    box-shadow: 0 1px 4px var(--shadow-color);
}

.info-card h3,
.music-item h3,
.timeline-item h3 {
    margin-top: 0;
    margin-bottom: 0.65rem;
    color: var(--accent-dark);
    font-size: 1.15rem;
}

.text-link {
    display: inline-block;
    margin-top: 0.9rem;
    color: var(--accent-color);
    font-weight: 600;
}

.text-link:hover,
.text-link:focus-visible {
    text-decoration: underline;
}

.note-section {
    padding-top: 0;
}

.note-box {
    background: var(--surface-soft);
}

.timeline {
    position: relative;
    display: grid;
    gap: 1rem;
    padding-left: 1.4rem;
}

.timeline::before {
    content: "";
    position: absolute;
    top: 0.2rem;
    bottom: 0.2rem;
    left: 0.35rem;
    width: 2px;
    background: #d8c7bc;
}

.timeline-item {
    position: relative;
    padding-left: 1rem;
}

.timeline-marker {
    position: absolute;
    left: -1.4rem;
    top: 0.45rem;
    width: 12px;
    height: 12px;
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    background: var(--bg-color);
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.2rem;
}

.filter-button {
    background: #ffffff;
    border-color: var(--border-color);
    color: var(--text-color);
}

.filter-button.is-active {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #ffffff;
}

.music-item {
    box-shadow: 0 1px 4px var(--shadow-color);
}

.item-type {
    margin: 0 0 0.4rem;
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 700;
}

.video-wrapper {
    position: relative;
    margin-top: 1rem;
    padding-top: 56.25%;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #ece4da;
}

.video-wrapper iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.image-frame {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #efe7dc;
}

.feature-card .image-frame {
    height: 100%;
    min-height: 100%;
    border: 0;
    border-left: 1px solid var(--border-color);
    border-radius: 0;
}

body > main > section.hero > div > div,
body > main > section:nth-child(2) > div > div,
.feature-card .history-card {
    padding-bottom: 32px;
}


.hero-image {
    min-height: 380px;
}

.history-image {
    min-height: 320px;
}

.optional-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0;
    transition: opacity var(--transition);
}

.image-frame.has-image .optional-image {
    opacity: 1;
}

.image-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    color: #6c5d58;
    text-align: center;
    font-size: 0.95rem;
    line-height: 1.5;
}

.image-frame.has-image .image-placeholder {
    display: none;
}

.gallery-card {
    display: block;
    width: 100%;
    padding: 0;
    overflow: hidden;
    text-align: left;
    cursor: pointer;
    box-shadow: 0 1px 4px var(--shadow-color);
    transition: box-shadow var(--transition), border-color var(--transition);
}

.gallery-card:hover,
.gallery-card:focus-visible {
    border-color: #cbb7aa;
    box-shadow: 0 4px 10px var(--shadow-color);
}

.gallery-visual {
    display: block;
    position: relative;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: #ece4da;
}

.gallery-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    opacity: 0;
    transition: opacity var(--transition);
}

.gallery-visual.has-image .gallery-thumb {
    opacity: 1;
}

.gallery-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    color: #6b5f58;
    text-align: center;
    font-size: 0.95rem;
}

.gallery-visual.has-image .gallery-placeholder {
    display: none;
}

.gallery-copy {
    display: block;
    padding: 0.85rem 0.95rem 1rem;
}

.gallery-caption {
    display: block;
    color: var(--text-color);
    font-weight: 600;
}

.gallery-description {
    display: block;
    margin-top: 0.4rem;
    color: var(--muted-color);
    font-size: 0.94rem;
    line-height: 1.5;
}

.site-footer {
    padding: 1.75rem 0 2.25rem;
    border-top: 1px solid var(--border-color);
    background: #f2ece3;
}

.footer-content {
    text-align: center;
    color: var(--muted-color);
}

.footer-content p {
    margin: 0.2rem 0;
}

.scroll-top {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    width: 42px;
    height: 42px;
    border: 1px solid var(--accent-color);
    border-radius: var(--radius-sm);
    background: var(--surface-color);
    color: var(--accent-color);
    font-size: 1rem;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition), background-color var(--transition), color var(--transition);
}

.scroll-top.is-visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover,
.scroll-top:focus-visible {
    background: var(--accent-color);
    color: #ffffff;
}

.lightbox {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 50;
}

.lightbox.is-open {
    display: flex;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(40, 30, 30, 0.58);
}

.lightbox-dialog {
    position: relative;
    z-index: 1;
    width: min(100%, 760px);
    padding: 1rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
}

.lightbox-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.25rem;
}

.lightbox-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 360px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #ece4da;
}

.lightbox-visual img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    display: none;
}

.lightbox-visual.has-image img {
    display: block;
}

.lightbox-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    color: #6b5f58;
    text-align: center;
}

.lightbox-visual.has-image .lightbox-placeholder {
    display: none;
}

.lightbox-text {
    padding: 1rem 0.2rem 0.1rem;
}

.lightbox-text p {
    margin: 0;
    color: var(--muted-color);
}

[hidden] {
    display: none !important;
}

@media (max-width: 980px) {
    .card-grid,
    .gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .header-inner {
        min-height: 68px;
        position: relative;
        padding-right: 54px;
    }

    .site-brand {
        max-width: calc(100% - 60px);
        font-size: 1.35rem;
    }

    .menu-toggle {
        display: inline-block;
        position: absolute;
        top: 50%;
        right: 0;
        transform: translateY(-50%);
        z-index: 2;
    }

    .menu-toggle.is-open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle.is-open span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.is-open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .site-nav {
        position: absolute;
        top: calc(100% + 0.35rem);
        left: 1rem;
        right: 1rem;
        display: none;
        background: #2a2025;
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: var(--radius-md);
        box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
    }

    .site-nav.is-open {
        display: block;
    }

    .site-nav ul {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0.5rem;
    }

    .nav-link {
        display: block;
        border-bottom: 0;
        border-radius: var(--radius-sm);
    }

    .nav-link:hover,
    .nav-link:focus-visible,
    .nav-link.is-active {
        background: rgba(255, 255, 255, 0.08);
    }

    .hero,
    .page-hero {
        padding: 1.75rem 0 1rem;
    }

    .feature-card,
    .two-column,
    .card-grid,
    .music-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .feature-card .image-frame {
        border-left: 0;
        border-top: 1px solid var(--border-color);
        min-height: 280px;
    }

    .hero-image,
    .history-image,
    .lightbox-visual,
    .feature-card .image-frame {
        min-height: 280px;
    }
}