/* ============================================================
   SWITCH THE ROOM — STYLES.CSS
   Editorial archival aesthetic: deep navy, warm cream, burgundy
   ============================================================ */

/* ── CSS Custom Properties ──────────────────────────────────── */
:root {
  --navy:       #1a2744;
  --navy-mid:   #243360;
  --navy-light: #3a4f7a;
  --cream:      #f5f0e8;
  --cream-mid:  #ede6d8;
  --cream-light:#faf8f4;
  --burgundy:   #7c2d3f;
  --burgundy-lt:#9e3d51;
  --gold:       #b89a5a;
  --gold-lt:    #d4b87a;
  --ink:        #1c1a18;
  --ink-mid:    #2e2b28;
  --text-body:  #3a3530;
  --text-muted: #6b6358;
  --text-faint: #9a9288;
  --border:     #d8d0c4;
  --border-lt:  #ebe5dc;
  --white:      #ffffff;
  --shadow-sm:  0 1px 4px rgba(26,39,68,0.10);
  --shadow-md:  0 4px 16px rgba(26,39,68,0.14);
  --shadow-lg:  0 8px 32px rgba(26,39,68,0.18);
  --radius-sm:  3px;
  --radius-md:  6px;
  --radius-lg:  10px;
  --font-serif: 'Playfair Display', 'Georgia', serif;
  --font-body:  'Source Serif 4', 'Georgia', serif;
  --font-ui:    'Inter', system-ui, sans-serif;
  --transition: 200ms ease;
  --transition-slow: 380ms ease;

  /* Legacy vars for scaffold compat */
  --color-primary: var(--navy);
  --color-secondary: var(--burgundy);
  --color-accent: var(--gold);
  --color-bg: var(--cream-light);
  --color-text: var(--text-body);
}

/* ── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  background: var(--cream-light);
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--navy-mid);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--burgundy); }
a:focus-visible { outline: 2px solid var(--burgundy); outline-offset: 2px; border-radius: var(--radius-sm); }

button:focus-visible { outline: 2px solid var(--burgundy); outline-offset: 2px; border-radius: var(--radius-sm); }

/* ── Utility ────────────────────────────────────────────────── */
.loading { opacity: 0.5; pointer-events: none; }
.error { color: #c0392b; padding: 16px; border-radius: 8px; background: rgba(192,57,43,0.05); }
.empty-state { text-align: center; padding: 48px 24px; opacity: 0.5; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(26,39,68,0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(184,154,90,0.25);
  transition: transform 300ms ease;
}

/* Legacy nav support */
nav { display: none; }

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-brand-text {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cream);
  letter-spacing: 0.01em;
  line-height: 1.2;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: auto;
}
.nav-links .nav-link {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(245,240,232,0.75);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
}
.nav-links .nav-link:hover {
  color: var(--cream);
  background: rgba(255,255,255,0.08);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}
.nav-toggle-bar {
  width: 22px; height: 2px;
  background: var(--cream);
  border-radius: 2px;
  transition: transform var(--transition);
}
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--navy);
  padding: 8px 24px 16px;
}
.nav-mobile.open { display: flex; }
.nav-mobile-link {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--cream-mid);
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  text-decoration: none;
}
.nav-mobile-link:last-child { border-bottom: none; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
}

/* ============================================================
   HEADER / HERO
   ============================================================ */
.site-header {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  padding-top: 64px;
  overflow: hidden;
}
.header-image-wrap {
  position: absolute;
  inset: 0;
}
.header-bg-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}
.header-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26,39,68,0.92) 0%,
    rgba(26,39,68,0.75) 55%,
    rgba(26,39,68,0.55) 100%
  );
}
.header-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 72px;
  width: 100%;
}
.header-eyebrow {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.header-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  color: var(--cream);
  line-height: 1.05;
  margin-bottom: 16px;
  max-width: 600px;
}
.header-tagline {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 2.5vw, 1.45rem);
  font-style: italic;
  font-weight: 300;
  color: var(--cream-mid);
  line-height: 1.5;
  margin-bottom: 14px;
  max-width: 480px;
}
.header-sub {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: rgba(245,240,232,0.65);
  margin-bottom: 32px;
  max-width: 420px;
}
.header-cta {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--navy);
  background: var(--gold);
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.header-cta:hover {
  background: var(--gold-lt);
  color: var(--navy);
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(184,154,90,0.3);
}
.header-cta:active { transform: translateY(0); box-shadow: none; }

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  background: var(--navy);
  border-bottom: 1px solid rgba(184,154,90,0.2);
}
.stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 16px;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}
.stat-number {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.1;
}
.stat-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245,240,232,0.5);
}
.stat-divider {
  width: 1px; height: 36px;
  background: rgba(255,255,255,0.1);
}
@media (max-width: 600px) {
  .stat-divider { display: none; }
  .stats-inner { justify-content: center; gap: 24px; }
}

/* ============================================================
   REPRESENTATION CHART SECTION
   ============================================================ */
.section-representation {
  background: var(--cream-light);
  border-bottom: 1px solid var(--border-lt);
  padding: 60px 0 52px;
}
.repr-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.repr-header { margin-bottom: 36px; }
.repr-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.repr-sub {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 500px;
}
.repr-chart-wrap { overflow-x: auto; }
.repr-chart {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 320px;
}

/* Chart rows */
.chart-group { display: flex; flex-direction: column; gap: 6px; }

.chart-group-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 4px;
}

.chart-row {
  display: grid;
  grid-template-columns: 140px 1fr 100px;
  align-items: center;
  gap: 14px;
}
@media (max-width: 560px) {
  .chart-row { grid-template-columns: 90px 1fr 70px; gap: 8px; }
}

.chart-row-label {
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-body);
  text-align: right;
}
.chart-bar-track {
  height: 28px;
  background: var(--border-lt);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}
.chart-bar-fill {
  height: 100%;
  border-radius: var(--radius-sm);
  width: 0;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
  display: flex;
  align-items: center;
  padding-left: 8px;
  min-width: 0;
}
.chart-bar-fill.bar-sc    { background: var(--navy-mid); }
.chart-bar-fill.bar-cab   { background: var(--burgundy); }
.chart-bar-fill.bar-mil   { background: #3a6b4a; }
.chart-bar-fill.bar-corp  { background: var(--gold); }

.chart-bar-inner-label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  white-space: nowrap;
  overflow: hidden;
}
.chart-bar-fill.bar-corp .chart-bar-inner-label { color: var(--navy); }

.chart-row-value {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Now row (thinner) */
.chart-now-row {
  display: grid;
  grid-template-columns: 140px 1fr 100px;
  align-items: center;
  gap: 14px;
  margin-top: -8px;
  padding-bottom: 4px;
}
@media (max-width: 560px) {
  .chart-now-row { grid-template-columns: 90px 1fr 70px; gap: 8px; }
}
.chart-now-label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  color: var(--text-faint);
  text-align: right;
  font-style: italic;
}
.chart-now-track {
  height: 10px;
  background: var(--border-lt);
  border-radius: 4px;
  overflow: hidden;
}
.chart-now-fill {
  height: 100%;
  border-radius: 4px;
  width: 0;
  opacity: 0.65;
  transition: width 1.5s cubic-bezier(0.4,0,0.2,1) 0.3s;
}
.chart-now-fill.bar-sc    { background: var(--navy-mid); }
.chart-now-fill.bar-cab   { background: var(--burgundy); }
.chart-now-fill.bar-mil   { background: #3a6b4a; }
.chart-now-fill.bar-corp  { background: var(--gold); }
.chart-now-value {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  color: var(--text-faint);
  font-style: italic;
}

.chart-divider {
  height: 1px;
  background: var(--border-lt);
  margin: 8px 0;
}

/* ============================================================
   GALLERY SECTION
   ============================================================ */
.gallery-section {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 16px 80px;
}

/* ── Filter Bar ─────────────────────────────────────────────── */
.filter-bar {
  position: sticky;
  top: 64px;
  z-index: 100;
  background: rgba(250,248,244,0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0 8px;
  margin-bottom: 28px;
}
.filter-bar-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 8px;
}
.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex: 1;
}
.filter-btn {
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 11px;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  min-height: 34px;
}
.filter-btn:hover {
  background: var(--navy);
  color: var(--cream);
  border-color: var(--navy);
}
.filter-btn.active {
  background: var(--navy);
  color: var(--cream);
  border-color: var(--navy);
}
.filter-count {
  font-size: 0.66rem;
  font-weight: 400;
  color: inherit;
  opacity: 0.65;
  margin-left: 3px;
}
.filter-btn:not(.active) .filter-count {
  opacity: 0.5;
}
.sort-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.sort-label {
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-muted);
}
.sort-select {
  font-family: var(--font-ui);
  font-size: 0.76rem;
  color: var(--text-body);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 28px 5px 10px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236b6358' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  min-height: 34px;
}
.sort-select:focus { outline: 2px solid var(--burgundy); outline-offset: 1px; }

.filter-result-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px 0;
  max-width: 1260px;
  margin: 0 auto;
}
.filter-result-count {
  font-family: var(--font-ui);
  font-size: 0.76rem;
  color: var(--text-muted);
}
.filter-reset {
  font-family: var(--font-ui);
  font-size: 0.73rem;
  color: var(--burgundy);
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.filter-reset:hover { color: var(--burgundy-lt); }

/* ── Gallery Loading ────────────────────────────────────────── */
.gallery-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 64px;
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  grid-column: 1 / -1;
}
.gallery-loading-dots {
  display: flex;
  gap: 6px;
}
.gallery-loading-dots span {
  width: 8px; height: 8px;
  background: var(--text-faint);
  border-radius: 50%;
  animation: dotPulse 1.2s ease-in-out infinite;
}
.gallery-loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.gallery-loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dotPulse {
  0%, 80%, 100% { opacity: 0.2; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

/* ── Gallery Grid ───────────────────────────────────────────── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
  padding: 0 8px;
}
.gallery-grid.filter-transitioning {
  opacity: 0.6;
  pointer-events: none;
}

/* ── Gallery Card ───────────────────────────────────────────── */
@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.gallery-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-top-width: 3px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  animation: cardFadeIn 0.3s ease forwards;
}
.gallery-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Category accent — distinct top border per institution */
.gallery-card[data-category="Supreme Court"]  { border-top-color: var(--navy-mid); }
.gallery-card[data-category="Cabinet"]         { border-top-color: var(--burgundy); }
.gallery-card[data-category="Military"]        { border-top-color: #3a6b4a; }
.gallery-card[data-category="Corporate Board"] { border-top-color: var(--gold); }

.gallery-card.card-reversed {
  border-color: var(--burgundy);
  border-top-color: var(--burgundy);
  box-shadow: 0 0 0 1px rgba(124,45,63,0.35), var(--shadow-sm);
}

/* Featured cards — first card in each filtered view gets wide treatment on desktop */
.gallery-card.card-featured {
  background: var(--cream-light);
}
@media (min-width: 769px) {
  .gallery-grid .gallery-card.card-featured:first-child {
    grid-column: span 2;
    flex-direction: row;
  }
  .gallery-grid .gallery-card.card-featured:first-child .card-img-wrap {
    width: 55%;
    flex-shrink: 0;
    aspect-ratio: unset;
    min-height: 260px;
  }
  .gallery-grid .gallery-card.card-featured:first-child .card-body {
    flex: 1;
    padding: 24px 22px 16px;
  }
  .gallery-grid .gallery-card.card-featured:first-child .card-caption {
    -webkit-line-clamp: 5;
  }
  .gallery-grid .gallery-card.card-featured:first-child .card-footer {
    padding: 4px 22px 20px;
  }
}

/* Card Image */
.card-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--navy);
  cursor: pointer;
}
.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: opacity 200ms ease, transform var(--transition-slow), filter var(--transition-slow);
  display: block;
  filter: grayscale(60%) contrast(1.05);
}
.gallery-card:hover .card-img {
  transform: scale(1.02);
  filter: grayscale(20%) contrast(1.05);
}
.card-img-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1e3052 0%, #243360 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(245,240,232,0.25);
}

.card-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,39,68,0.65) 0%, transparent 45%);
  opacity: 0;
  transition: opacity var(--transition);
}
.card-img-wrap:hover .card-img-overlay { opacity: 1; }

.card-open-hint {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cream);
  background: rgba(26,39,68,0.75);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
  white-space: nowrap;
  backdrop-filter: blur(4px);
}
.card-img-wrap:hover .card-open-hint { opacity: 1; }

.card-state-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  font-family: var(--font-ui);
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  z-index: 2;
  transition: all var(--transition);
}
.card-state-badge.badge-original {
  background: rgba(26,39,68,0.7);
  color: var(--cream);
  backdrop-filter: blur(4px);
}
.card-state-badge.badge-reversed {
  background: var(--burgundy);
  color: var(--white);
}

/* Card Body */
.card-body {
  padding: 14px 16px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.card-category {
  font-family: var(--font-ui);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.card-year {
  font-family: var(--font-serif);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-light);
  flex-shrink: 0;
}
.card-title {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  margin: 0;
}
.card-caption {
  font-family: var(--font-body);
  font-size: 0.81rem;
  color: var(--text-body);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition);
}
.card-caption.caption-reversed {
  font-style: italic;
  color: var(--burgundy);
}

/* Card Footer */
.card-footer {
  padding: 4px 16px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--border-lt);
  margin-top: 8px;
}

/* Toggle Button */
.card-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  padding: 6px 0;
  cursor: pointer;
  min-height: 44px;
  user-select: none;
}
.toggle-label-wrap {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.toggle-label-main {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--transition);
}
.card-toggle[aria-checked="true"] .toggle-label-main { color: var(--burgundy); }

.toggle-track {
  position: relative;
  width: 40px; height: 22px;
  background: var(--border);
  border-radius: 11px;
  transition: background var(--transition-slow);
  flex-shrink: 0;
}
.toggle-thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  background: var(--navy);
  border-radius: 50%;
  transition: transform var(--transition-slow), background var(--transition-slow);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.card-toggle[aria-checked="true"] .toggle-track { background: var(--burgundy); }
.card-toggle[aria-checked="true"] .toggle-thumb {
  transform: translateX(18px);
  background: var(--white);
}
.card-toggle:focus-visible { outline: 2px solid var(--burgundy); outline-offset: 4px; border-radius: 4px; }

/* View Details Button */
.card-view-btn {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--navy-mid);
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 11px;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.card-view-btn:hover {
  background: var(--navy);
  color: var(--cream);
  border-color: var(--navy);
}
.card-view-btn:active {
  background: var(--navy-mid);
}

/* Empty state */
.gallery-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 24px;
  color: var(--text-muted);
  font-family: var(--font-ui);
}
.gallery-empty h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-body);
  margin-bottom: 8px;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-section {
  background: var(--navy);
  padding: 68px 0;
}
.about-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
@media (max-width: 768px) {
  .about-inner { grid-template-columns: 1fr; gap: 44px; }
}

.about-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 20px;
}
.about-body {
  font-family: var(--font-body);
  font-size: 0.93rem;
  color: rgba(245,240,232,0.78);
  line-height: 1.8;
  margin-bottom: 14px;
}
.about-config-label {
  font-weight: 600;
  color: var(--gold);
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-ui);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Flow Diagram */
.flow-diagram {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.flow-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-md);
  transition: background var(--transition), border-color var(--transition);
}
.flow-step:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(184,154,90,0.3);
}
.flow-icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  background: rgba(184,154,90,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
}
.flow-text { display: flex; flex-direction: column; gap: 4px; }
.flow-text strong {
  font-family: var(--font-ui);
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--cream);
}
.flow-text span {
  font-family: var(--font-body);
  font-size: 0.79rem;
  color: rgba(245,240,232,0.58);
  line-height: 1.55;
}
.flow-connector {
  display: flex;
  justify-content: flex-start;
  padding-left: 36px;
  color: rgba(184,154,90,0.28);
  height: 28px;
  align-items: center;
}

/* ============================================================
   LIGHTBOX OVERLAY
   ============================================================ */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(16,24,44,0.92);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  overscroll-behavior: contain;
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms ease;
  padding: 20px 16px;
}
.lightbox-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.lightbox-container {
  background: var(--cream-light);
  border-radius: var(--radius-lg);
  max-width: 1160px;
  width: 100%;
  margin: auto;
  box-shadow: 0 24px 80px rgba(16,24,44,0.55);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px);
  transition: transform 280ms ease;
}
.lightbox-overlay.open .lightbox-container { transform: translateY(0); }

/* Lightbox Topbar */
.lightbox-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--navy);
  border-bottom: 1px solid rgba(184,154,90,0.18);
  flex-shrink: 0;
}
.lightbox-close {
  font-size: 1.5rem;
  line-height: 1;
  color: rgba(245,240,232,0.65);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.lightbox-close:hover { color: var(--cream); background: rgba(255,255,255,0.1); }
.lightbox-nav-btns {
  display: flex;
  align-items: center;
  gap: 10px;
}
.lightbox-prev, .lightbox-next {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(245,240,232,0.65);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  min-height: 34px;
}
.lightbox-prev:hover, .lightbox-next:hover {
  background: rgba(255,255,255,0.15);
  color: var(--cream);
}
.lightbox-prev:disabled, .lightbox-next:disabled { opacity: 0.3; cursor: default; }
.lightbox-nav-indicator {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: rgba(245,240,232,0.45);
}

/* Lightbox Body */
.lightbox-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  align-items: stretch;
}
@media (max-width: 920px) {
  .lightbox-body { grid-template-columns: 1fr; }
}

/* Image Column */
.lightbox-img-col {
  background: var(--navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 20px 20px;
  gap: 14px;
  min-height: 360px;
}
.lightbox-img-wrap {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 300px;
  overflow: hidden;
  border-radius: var(--radius-sm);
}
@media (max-width: 920px) {
  .lightbox-img-wrap { min-height: 200px; max-height: 65vw; flex: 0 0 auto; }
}
.lightbox-photo {
  max-width: 100%;
  max-height: 100%;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: opacity 220ms ease;
  border-radius: var(--radius-sm);
  filter: grayscale(30%) contrast(1.05);
}
.lightbox-photo.fading { opacity: 0; }
.lightbox-credit {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  color: rgba(245,240,232,0.40);
  text-align: center;
  flex-shrink: 0;
}

/* Lightbox Toggle */
.lightbox-toggle-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  padding-bottom: 4px;
}
.lb-toggle-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 24px;
  padding: 7px 16px;
  cursor: pointer;
  transition: background var(--transition);
  min-height: 44px;
}
.lb-toggle-btn:hover { background: rgba(255,255,255,0.12); }
.lb-toggle-label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(245,240,232,0.55);
  transition: color var(--transition);
  white-space: nowrap;
}
.lb-toggle-track {
  position: relative;
  width: 44px; height: 24px;
  background: rgba(255,255,255,0.15);
  border-radius: 12px;
  transition: background var(--transition-slow);
  flex-shrink: 0;
}
.lb-toggle-thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  background: var(--cream);
  border-radius: 50%;
  transition: transform var(--transition-slow);
}
.lb-toggle-btn[aria-checked="true"] .lb-toggle-track { background: var(--burgundy); }
.lb-toggle-btn[aria-checked="true"] .lb-toggle-thumb { transform: translateX(20px); }
.lb-toggle-btn[aria-checked="true"] .lb-label-original { color: rgba(245,240,232,0.3); }
.lb-toggle-btn[aria-checked="true"] .lb-label-reversed { color: var(--cream); }
.lb-toggle-btn[aria-checked="false"] .lb-label-original { color: var(--cream); }
.lb-toggle-btn[aria-checked="false"] .lb-label-reversed { color: rgba(245,240,232,0.3); }

.lb-toggle-state-badge {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245,240,232,0.4);
}

/* Detail Column */
.lightbox-detail-col {
  background: var(--cream-light);
  overflow-y: auto;
  max-height: 700px;
  padding: 26px 26px 30px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
@media (max-width: 920px) {
  .lightbox-detail-col { max-height: none; overflow-y: visible; }
}

.lb-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.lb-category-badge {
  font-family: var(--font-ui);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--navy-mid);
  border-radius: var(--radius-sm);
  padding: 3px 9px;
}
.lb-year {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}
.lb-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 20px;
}

/* Sections */
.lb-section {
  border-top: 1px solid var(--border-lt);
  padding-top: 16px;
  margin-top: 16px;
}
.lb-context-section { border-top: none; padding-top: 0; margin-top: 0; }

.lb-section-label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.lb-context-text {
  font-family: var(--font-body);
  font-size: 0.93rem;
  color: var(--text-body);
  line-height: 1.78;
  transition: color var(--transition), font-style var(--transition);
}
.lb-context-text.context-reversed {
  font-style: italic;
  color: var(--burgundy);
}

/* Timeline */
.lb-timeline {
  position: relative;
  padding-left: 20px;
}
.lb-timeline::before {
  content: '';
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 2px;
  background: var(--border);
}
.timeline-item {
  position: relative;
  padding-left: 18px;
  padding-bottom: 14px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -12px; top: 6px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--border);
  border: 2px solid var(--cream-light);
}
.timeline-item.milestone .timeline-dot { background: var(--burgundy); }
.timeline-item.photo-year .timeline-dot { background: var(--navy-mid); }
.timeline-item.current .timeline-dot { background: var(--gold); }

.timeline-year {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  display: block;
  margin-bottom: 2px;
}
.timeline-desc {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.55;
}
.timeline-item.milestone .timeline-desc { color: var(--burgundy); font-style: italic; }

/* What Changed */
.lb-whatchanged-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.wc-row { display: flex; flex-direction: column; gap: 3px; }
.wc-label {
  font-family: var(--font-ui);
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.wc-value {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-body);
}
.wc-value strong { color: var(--navy); font-style: normal; }

.wc-gap-display {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.wc-gap-number {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--burgundy);
  line-height: 1;
}
.wc-gap-unit {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.wc-gap-note {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
}

.wc-ratio-section { display: flex; flex-direction: column; gap: 6px; }
.wc-ratio-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.wc-ratio-track {
  flex: 1;
  height: 10px;
  background: var(--border-lt);
  border-radius: 5px;
  overflow: hidden;
}
.wc-ratio-fill {
  height: 100%;
  border-radius: 5px;
  background: var(--burgundy);
  width: 0;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}
.wc-ratio-text {
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-body);
  white-space: nowrap;
  min-width: 76px;
}

.wc-parity-badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}
.wc-parity-badge.parity-yes { background: #e8f5e9; color: #2e7d32; }
.wc-parity-badge.parity-no  { background: #fce4e4; color: #8b2e2e; }

.wc-trend {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-body);
  font-style: italic;
  padding: 10px 13px;
  background: var(--cream-mid);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  line-height: 1.65;
}

/* AI Image Note */
.lb-aiimage-label { color: var(--text-muted); font-style: normal; }
.lb-aiimage-text {
  font-family: var(--font-body);
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.75;
  font-style: italic;
}

/* Historical Quote Section */
.lb-quote-section { border-top: 1px solid var(--border-lt); }
.lb-quote-block {
  margin: 0;
  padding: 13px 14px 13px 18px;
  border-left: 3px solid var(--burgundy);
  background: rgba(124,45,63,0.04);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.lb-quote-text {
  font-family: var(--font-body);
  font-size: 0.93rem;
  font-style: italic;
  color: var(--text-body);
  line-height: 1.76;
  margin: 0 0 7px;
}
.lb-quote-text::before { content: '\201C'; color: var(--burgundy); font-size: 1.2em; }
.lb-quote-text::after  { content: '\201D'; color: var(--burgundy); font-size: 1.2em; }
.lb-quote-attr {
  font-family: var(--font-ui);
  font-size: 0.73rem;
  color: var(--text-muted);
  font-style: normal;
  line-height: 1.55;
  display: block;
}

/* Source Link */
.lb-source-section { padding-top: 10px; margin-top: 4px; border-top: none; }
.lb-source-link {
  font-family: var(--font-ui);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--navy-mid);
  text-decoration: underline;
  text-underline-offset: 2px;
  display: inline-block;
  transition: color var(--transition);
}
.lb-source-link:hover { color: var(--burgundy); }

/* ============================================================
   SITE FOOTER
   ============================================================ */
.site-footer {
  background: var(--ink);
  padding: 40px 0 28px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 640px) {
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
}
.footer-brand-name {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 6px;
}
.footer-tagline {
  font-family: var(--font-body);
  font-size: 0.83rem;
  font-style: italic;
  color: rgba(245,240,232,0.4);
}
.footer-note {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  color: rgba(245,240,232,0.32);
  line-height: 1.68;
  margin-bottom: 12px;
}
.footer-credits {
  font-family: var(--font-ui);
  font-size: 0.76rem;
  color: rgba(245,240,232,0.42);
  margin-bottom: 8px;
}
.footer-link {
  color: rgba(245,240,232,0.52);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.footer-link:hover { color: var(--gold); }
.footer-social-link { margin-left: 6px; }
.footer-copy {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  color: rgba(245,240,232,0.22);
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  html { scroll-behavior: auto; }
  .chart-bar-fill, .chart-now-fill, .wc-ratio-fill { transition: none !important; }
  .gallery-card { animation: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }
}
@media (max-width: 768px) {
  .filter-bar-inner { flex-direction: column; align-items: flex-start; }
  .sort-group { align-self: flex-end; }
  .lightbox-detail-col { padding: 18px 18px 22px; }
  .gallery-section { padding: 0 8px 52px; }
  .lightbox-topbar { padding: 10px 14px; }
  .about-section { padding: 52px 0; }
}
@media (max-width: 480px) {
  /* Hero — fix mobile text overlap and scrim */
  .header-scrim {
    background: rgba(26,39,68,0.90);
  }
  .header-content {
    padding: 52px 20px 56px;
  }
  .header-tagline {
    margin-bottom: 16px;
  }
  .header-sub {
    margin-bottom: 24px;
  }
  .header-cta {
    display: inline-block;
    position: relative;
    z-index: 3;
  }

  /* Gallery */
  .gallery-grid { grid-template-columns: 1fr; gap: 14px; }
  .filter-group { gap: 4px; }
  .filter-btn { font-size: 0.72rem; padding: 7px 10px; min-height: 44px; }
  .sort-select { min-height: 44px; font-size: 0.82rem; }
  .card-view-btn { min-height: 44px; padding: 8px 12px; }

  /* Chart — better mobile layout */
  .chart-row { grid-template-columns: 80px 1fr 68px; gap: 6px; }
  .chart-now-row { grid-template-columns: 80px 1fr 68px; gap: 6px; }
  .chart-row-label { font-size: 0.68rem; }
  .chart-bar-inner-label { display: none; }
  .chart-row-value { font-size: 0.7rem; }
  .chart-now-value { font-size: 0.62rem; }
}