:root {
    --paper: #f4ead7;
    --paper-deep: #ecddc1;
    --paper-cool: #efe7d8;
    --ink: #211d1b;
    --ink-soft: #5e544a;
    --line: #4b4238;
    --line-soft: rgba(75, 66, 56, 0.24);
    --beer: #c79a3b;
    --pub: #87643a;
    --mud: #7c6c5d;
    --khaki: #8b9275;
    --moss: #6e7661;
    --ledger: #a65f48;
    --bruise: #7f4e44;
    --smoke: #93a0a5;
    --memorial: #d98f44;
    --shadow: 0 0 0 1px rgba(33, 29, 27, 0.14), 5px 5px 0 rgba(33, 29, 27, 0.08);
    --font-display: Futura, "Avenir Next Condensed", "Avenir Next", "Century Gothic", "Gill Sans", sans-serif;
    --font-body: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Baskerville, Georgia, serif;
    --font-mono: "Courier New", Courier, monospace;
    --max-width: 1440px;
    --transition: 180ms linear;
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    background: var(--paper);
}

body {
    margin: 0;
    color: var(--ink);
    font-family: var(--font-body);
    line-height: 1.58;
    background:
        linear-gradient(rgba(255,255,255,0.18), rgba(255,255,255,0.08)),
        repeating-linear-gradient(0deg, transparent 0 34px, rgba(75,66,56,0.05) 34px 35px),
        repeating-linear-gradient(90deg, transparent 0 34px, rgba(75,66,56,0.05) 34px 35px),
        radial-gradient(circle at 12% 10%, rgba(199,154,59,0.18), transparent 18%),
        radial-gradient(circle at 88% 8%, rgba(166,95,72,0.14), transparent 20%),
        linear-gradient(180deg, #f8efdf 0%, #f0e2c8 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 82% 82%, rgba(111,118,97,0.1), transparent 20%),
        radial-gradient(circle at 18% 78%, rgba(147,160,165,0.08), transparent 18%);
    mix-blend-mode: multiply;
}

a { color: inherit; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    padding: 0.75rem 1rem;
    background: var(--paper);
    border: 1px solid var(--line);
    z-index: 999;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
}

.site-shell {
    width: min(var(--max-width), calc(100vw - 1.5rem));
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 90;
    background: rgba(244, 234, 215, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 0;
}

.brandline {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    align-items: baseline;
}

.brandline strong,
.brandline span,
.page-nav a,
.eyebrow,
.micro-label,
.kicker,
.stat-label,
.filter-label,
.mini-title,
.buttonish,
.scene-number,
.memorial-label,
summary,
h1, h2, h3, h4 {
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.11em;
}

.brandline strong,
.brandline span { font-size: 0.72rem; }

.page-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    align-items: center;
}

.page-nav a,
.buttonish,
.nav-toggle,
.tab-button {
    text-decoration: none;
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.38);
    padding: 0.48rem 0.72rem;
    font-size: 0.68rem;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.page-nav a:hover,
.page-nav a:focus-visible,
.buttonish:hover,
.buttonish:focus-visible,
.nav-toggle:hover,
.nav-toggle:focus-visible,
.tab-button:hover,
.tab-button:focus-visible {
    background: var(--beer);
    box-shadow: var(--shadow);
    transform: translate(-1px, -1px);
    outline: none;
}

.buttonish:disabled,
.tab-button:disabled,
.nav-toggle:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.page-nav a.current {
    background: var(--ledger);
    color: var(--paper);
}

.nav-toggle {
    display: none;
}

.hero,
.chapter,
.panel,
.note,
.specimen,
.figure-panel,
.timeline-panel,
.archive-panel,
.route-panel,
.metrics,
.memorial-panel,
.footer-panel,
.scene-list,
.scene-detail,
.filter-bar,
.route-stop,
.glossary-card {
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255,255,255,0.45), rgba(255,255,255,0.18));
    box-shadow: var(--shadow);
}

.hero,
.chapter {
    position: relative;
    margin: 1.4rem 0;
    padding: 1.2rem;
}

.hero::before,
.chapter::before {
    content: "";
    position: absolute;
    inset: 0.6rem;
    border: 1px dashed var(--line-soft);
    pointer-events: none;
}

.hero-grid,
.split-grid,
.tri-grid,
.quad-grid,
.route-grid,
.comics-layout,
.detail-grid,
.memorial-grid,
.matrix-grid,
.filter-grid,
.timeline-grid,
.metric-grid {
    display: grid;
    gap: 1rem;
}

.hero-grid { grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr); align-items: start; }
.split-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tri-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.quad-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.route-grid { grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr); }
.comics-layout { grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.3fr); align-items: start; }
.detail-grid, .memorial-grid, .timeline-grid, .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.filter-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

h1, h2, h3, h4 {
    margin: 0;
    line-height: 1.06;
}

h1 { font-size: clamp(2.5rem, 5vw, 5.5rem); max-width: 12ch; }
h2 { font-size: clamp(1.7rem, 2.7vw, 2.7rem); }
h3 { font-size: 1rem; margin-bottom: 0.45rem; }
h4 { font-size: 0.82rem; margin-bottom: 0.35rem; }

.eyebrow,
.kicker,
.micro-label,
.stat-label,
.filter-label,
.mini-title,
.memorial-label {
    font-size: 0.68rem;
    color: var(--ink-soft);
}

.title-subline {
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--ink-soft);
    font-size: clamp(0.78rem, 1.5vw, 1rem);
    margin: 0.8rem 0 1.05rem;
}

.lede {
    font-size: 1.05rem;
    max-width: 68ch;
}

.lede strong,
.body-copy strong { font-weight: 700; }

.body-copy p,
.lede,
.caption,
.footnote {
    margin-top: 0;
}

.panel,
.note,
.specimen,
.figure-panel,
.timeline-panel,
.archive-panel,
.route-panel,
.metrics,
.memorial-panel,
.footer-panel,
.scene-list,
.scene-detail,
.filter-bar,
.route-stop,
.glossary-card {
    padding: 1rem;
}

.figure-panel img {
    border: 1px solid var(--line);
}

.caption,
.footnote,
.muted {
    color: var(--ink-soft);
}

.metrics,
.metric-grid,
.stat {
    gap: 0.75rem;
}

.stat {
    border: 1px solid var(--line-soft);
    background: rgba(255,255,255,0.45);
    padding: 0.8rem;
}

.stat-value {
    display: block;
    font-size: 1.08rem;
}

.chapter-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: end;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--line-soft);
    margin-bottom: 1rem;
}

.chapter-number {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    color: rgba(33,29,27,0.18);
}

.pullquote {
    border-left: 4px solid var(--ledger);
    padding: 0.8rem 1rem;
    background: rgba(255,255,255,0.45);
    font-style: italic;
}

.matrix,
.comparison,
.scene-matrix {
    width: 100%;
    border-collapse: collapse;
}

.matrix th,
.matrix td,
.comparison th,
.comparison td,
.scene-matrix th,
.scene-matrix td {
    border: 1px solid var(--line-soft);
    padding: 0.65rem;
    vertical-align: top;
}

.matrix th,
.comparison th,
.scene-matrix th {
    background: rgba(255,255,255,0.46);
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.66rem;
}

.timeline-buttons {
    display: grid;
    gap: 0.5rem;
}

.timeline-button,
.route-button {
    width: 100%;
    text-align: left;
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.4);
    padding: 0.7rem 0.75rem;
    cursor: pointer;
    transition: background var(--transition), box-shadow var(--transition);
}

.timeline-button.active,
.route-button.active,
.tab-button[aria-selected="true"] {
    background: var(--beer);
    box-shadow: var(--shadow);
}

.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 0.8rem;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.site-footer {
    padding: 0 0 2rem;
}

.footer-panel {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
}

.dedication-line {
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.72rem;
}

.link-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.link-row a {
    text-decoration: none;
    border-bottom: 1px solid currentColor;
}

.route-map svg,
.figure-panel svg {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.42);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.filter-row select,
.filter-row input[type="search"] {
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.55);
    padding: 0.6rem 0.7rem;
    min-width: 180px;
}

.scene-list {
    display: grid;
    gap: 0.55rem;
    max-height: 74vh;
    overflow: auto;
}

.scene-card {
    width: 100%;
    text-align: left;
    font: inherit;
    color: inherit;
    border: 1px solid var(--line-soft);
    background: rgba(255,255,255,0.5);
    padding: 0.75rem;
    cursor: pointer;
}

.scene-card.active {
    border-color: var(--ledger);
    background: rgba(255,255,255,0.75);
    box-shadow: inset 4px 0 0 var(--ledger);
}

.scene-meta {
    display: flex;
    justify-content: space-between;
    gap: 0.7rem;
    font-size: 0.78rem;
    color: var(--ink-soft);
}

.scene-detail {
    min-height: 32rem;
}

.toolbar-row,
.scene-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
}

.toolbar-row {
    justify-content: space-between;
    margin-bottom: 0.85rem;
}

.count-note {
    font-size: 0.8rem;
    color: var(--ink-soft);
}

.scene-card h3,
.scene-detail h3,
.scene-detail h4 {
    margin-top: 0;
}

.scene-block + .scene-block {
    margin-top: 0.9rem;
}

.scene-empty {
    padding: 1rem;
    border: 1px dashed var(--line);
    color: var(--ink-soft);
    background: rgba(255,255,255,0.35);
}

.scene-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.pill {
    border: 1px solid var(--line);
    padding: 0.25rem 0.45rem;
    background: rgba(255,255,255,0.46);
    font-size: 0.72rem;
}

.site-map-links {
    display: grid;
    gap: 0.7rem;
}

.site-map-links a {
    display: block;
    text-decoration: none;
}

.card-link {
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.42);
    padding: 1rem;
    box-shadow: var(--shadow);
    transition: transform var(--transition), background var(--transition);
}

.card-link:hover,
.card-link:focus-visible {
    transform: translate(-1px, -1px);
    background: rgba(255,255,255,0.72);
    outline: none;
}

details {
    border-top: 1px solid var(--line-soft);
    padding-top: 0.75rem;
}

details + details { margin-top: 0.75rem; }
summary { cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }

@media (max-width: 1120px) {
    .hero-grid,
    .route-grid,
    .comics-layout,
    .detail-grid,
    .memorial-grid,
    .timeline-grid,
    .metric-grid,
    .filter-grid,
    .quad-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 860px) {
    .site-shell { width: min(var(--max-width), calc(100vw - 1rem)); }
    .topbar-inner { display: block; }
    .nav-toggle { display: inline-block; margin-top: 0.75rem; }
    .page-nav { display: none; margin-top: 0.75rem; }
    .page-nav.open { display: flex; }
    .hero, .chapter { padding: 1rem; }
    .chapter-header,
    .tri-grid,
    .split-grid,
    .timeline-grid,
    .metric-grid,
    .detail-grid,
    .memorial-grid {
        grid-template-columns: 1fr;
    }

    h1 { max-width: 100%; }
}

@media print {
    body { background: #f7eedf; }
    body::before,
    .topbar,
    .buttonish,
    .nav-toggle { display: none !important; }

    .site-shell { width: 100%; }

    .hero,
    .chapter,
    .panel,
    .note,
    .specimen,
    .figure-panel,
    .timeline-panel,
    .archive-panel,
    .route-panel,
    .memorial-panel,
    .footer-panel,
    .scene-list,
    .scene-detail,
    .filter-bar {
        box-shadow: none;
        break-inside: avoid;
    }
}