/* ============================================
   ВАСЯ-РЕФОРМАТОР — Design System
   Film Reconstruction Project
   ============================================ */

/* Fonts: prefer <link> in HTML; @import kept as progressive fallback */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- CSS Custom Properties (Design Tokens) --- */
/*
  Breakpoint scale (use consistently in @media):
  --bp-sm  640px  — narrow phones
  --bp-md  768px  — tablets / mobile nav
  --bp-lg 1024px  — stacked research/timeline layouts
  (Custom props cannot be used in media queries without container queries;
   documented here so all @media stay on this scale.)
*/
:root {
  /* Film Palette — Warm sepia tones */
  --color-bg-deep:       #0D0907;
  --color-bg-primary:    #1A1410;
  --color-bg-secondary:  #2C2318;
  --color-bg-card:       #342A1F;
  --color-bg-elevated:   #3D3127;
  /* Near-black for image wells / code panes */
  --color-bg-ink:        #111111;
  --color-bg-media:      #1a1510;
  --color-bg-frame:      #221a14;
  /* Active tab / warm panel */
  --color-bg-warm:       #3a3224;

  /* Text */
  --color-text-primary:  #E8DDD0;
  --color-text-secondary:#B8A992;
  --color-text-muted:    #8B7D6B;
  --color-text-accent:   #D4C5A9;

  /* Sepia spectrum */
  --color-sepia-light:   #D4C5A9;
  --color-sepia-medium:  #8B7355;
  --color-sepia-dark:    #5C4A35;
  --color-sepia-deep:    #2C1810;

  /* Borders derived from sepia-medium */
  --color-border-ghost:  rgba(139, 115, 85, 0.05);
  --color-border-faint:  rgba(139, 115, 85, 0.1);
  --color-border-soft:   rgba(139, 115, 85, 0.12);
  --color-border:        rgba(139, 115, 85, 0.15);
  --color-border-line:   rgba(139, 115, 85, 0.2);
  --color-border-mid:    rgba(139, 115, 85, 0.25);
  --color-border-strong: rgba(139, 115, 85, 0.35);
  --color-border-heavy:  rgba(139, 115, 85, 0.4);

  /* Accent — Cool blue for research/science sections */
  --color-accent:        #4A90A4;
  --color-accent-light:  #6BB3C9;
  --color-accent-dark:   #35707F;
  --color-accent-glow:   rgba(74, 144, 164, 0.3);
  --color-warning-soft:  rgba(196, 163, 90, 0.14);

  /* Semantic */
  --color-success:       #7BA05B;
  --color-warning:       #C4A35A;
  --color-error:         #B05B5B;
  /* Storyboard status chips */
  --color-status-still:  #8fd4a0;
  --color-status-still-bg: rgba(80, 160, 100, 0.2);
  --color-status-outline: var(--color-warning);
  --color-status-outline-bg: rgba(139, 115, 85, 0.2);
  --color-status-done:   #9ec0e8;
  --color-status-done-bg: rgba(90, 140, 200, 0.25);

  /* Film effects */
  --color-vignette:      rgba(13, 9, 7, 0.85);
  --color-grain-overlay: rgba(200, 180, 150, 0.04);
  --color-scratch:       rgba(200, 180, 150, 0.08);

  /* Print (light paper) */
  --color-print-bg:      #ffffff;
  --color-print-text:    #111111;
  --color-print-muted:   #444444;
  --color-print-border:  #333333;
  --color-print-panel:   #f5f5f5;

  /* Typography */
  --font-display:        'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:           'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:           'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;

  /* Shadows */
  --shadow-sm:    0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow:  0 0 20px var(--color-accent-glow);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow:   500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --max-width-prose: 42rem;
  --header-height: 72px;
}


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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg-deep);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Film grain overlay on body */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: 0.5;
  animation: grainShift 0.5s steps(6) infinite;
}

@keyframes grainShift {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-2%, -3%); }
  30% { transform: translate(3%, 2%); }
  50% { transform: translate(-1%, 3%); }
  70% { transform: translate(2%, -2%); }
  90% { transform: translate(-3%, 1%); }
}


/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  margin-bottom: var(--space-lg);
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.75rem);
  margin-bottom: var(--space-md);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-accent-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

::selection {
  background: var(--color-accent);
  color: var(--color-bg-deep);
}


/* --- Layout Components --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--space-4xl) 0;
}

.section--dark {
  background: var(--color-bg-primary);
}

.section--card {
  background: var(--color-bg-secondary);
}


/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(13, 9, 7, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: transform var(--transition-normal);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  position: relative;
}

/* Nav-only header: menu centered in the bar */
.header__inner--nav-only {
  justify-content: center;
}

/* Shared breadcrumb (film subpages) */
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 1.25rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.crumb a {
  color: var(--color-accent-light);
  text-decoration: none;
}

.crumb a:hover {
  text-decoration: underline;
}

.header__inner--nav-only nav {
  display: flex;
  justify-content: center;
  width: 100%;
  min-width: 0;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-sepia-light);
  text-decoration: none;
}

.header__logo-icon {
  width: 32px;
  height: 32px;
  background: var(--color-sepia-medium);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.header__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.2rem clamp(0.65rem, 1.6vw, 1.35rem);
  list-style: none;
  width: 100%;
  max-width: 100%;
}

.header__nav > li {
  list-style: none;
  flex: 0 0 auto;
}

.header__nav a {
  font-size: clamp(0.78rem, 1.35vw, 0.92rem);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
  line-height: 1.4;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-normal);
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--color-text-primary);
  text-decoration: none;
}

.header__nav a:hover::after,
.header__nav a.active::after {
  width: 100%;
}

/* Mobile menu toggle */
.header__menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-sm);
  position: absolute;
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
}


/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--color-bg-deep);
  overflow: hidden;
}

.hero__vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, var(--color-vignette) 100%);
  pointer-events: none;
  z-index: 2;
}

.hero__content {
  position: relative;
  z-index: 3;
  padding: var(--space-2xl);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-lg);
  background: var(--color-border);
  border: 1px solid var(--color-border-strong);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-sepia-light);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xl);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  text-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.hero__title em {
  font-style: italic;
  color: var(--color-sepia-light);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.6;
}

.hero__year {
  font-family: var(--font-display);
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 900;
  color: var(--color-border-ghost);
  position: absolute;
  bottom: -2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  user-select: none;
  pointer-events: none;
}

.hero__cta-group {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}


/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-sepia-medium), var(--color-sepia-dark));
  color: var(--color-text-primary);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--color-sepia-light), var(--color-sepia-medium));
  color: var(--color-bg-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.btn--secondary {
  background: transparent;
  color: var(--color-accent-light);
  border: 1px solid var(--color-accent);
}

.btn--secondary:hover {
  background: var(--color-accent);
  color: var(--color-bg-deep);
  transform: translateY(-2px);
  text-decoration: none;
}


/* --- Film Frame Component --- */
.film-frame {
  position: relative;
  background: var(--color-bg-deep);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.film-frame__image {
  width: 100%;
  display: block;
  filter: sepia(10%) contrast(1.05);
  transition: filter var(--transition-slow);
}

.film-frame:hover .film-frame__image {
  filter: sepia(0%) contrast(1.1);
}

/* Vignette overlay */
.film-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(13, 9, 7, 0.6) 100%);
  pointer-events: none;
}

/* Film sprocket holes — drawn on the frame background so ::after can stay as vignette */
.film-frame--sprockets {
  padding: 12px 0;
  background-color: var(--color-bg-deep);
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 20px,
      rgba(200, 180, 150, 0.12) 20px,
      rgba(200, 180, 150, 0.12) 28px
    ),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 20px,
      rgba(200, 180, 150, 0.12) 20px,
      rgba(200, 180, 150, 0.12) 28px
    );
  background-size: calc(100% - 16px) 6px, calc(100% - 16px) 6px;
  background-position: center 3px, center calc(100% - 3px);
  background-repeat: no-repeat;
}

/* Do not hijack ::after (vignette lives on .film-frame::after) */
.film-frame--sprockets::before {
  content: none;
}


/* --- Intertitle Card --- */
.intertitle {
  background: var(--color-bg-deep);
  border: 3px solid var(--color-sepia-dark);
  border-radius: var(--radius-md);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.intertitle::before {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid var(--color-sepia-dark);
  border-radius: var(--radius-sm);
  pointer-events: none;
}

.intertitle__text {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-style: italic;
  color: var(--color-sepia-light);
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}


/* --- Scene Card --- */
.scene-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
  padding: var(--space-3xl) 0;
  border-bottom: 1px solid var(--color-border-faint);
}

.scene-card:nth-child(even) {
  direction: rtl;
}

.scene-card:nth-child(even) > * {
  direction: ltr;
}

.scene-card__number {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 900;
  color: var(--color-border-faint);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.scene-card__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-sepia-light);
}

.scene-card__description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

.scene-card__commentary {
  background: var(--color-bg-secondary);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-md) var(--space-lg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.scene-card__commentary-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.scene-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.scene-card__tag {
  font-size: 0.75rem;
  padding: 2px 10px;
  background: var(--color-border-soft);
  border: 1px solid var(--color-border-line);
  border-radius: 100px;
  color: var(--color-text-muted);
}

/* Style-reference badges (operatorMode + visualRefs) */
.scene-card__style-refs {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px dashed var(--color-border-line);
}

.scene-card__style-refs-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.scene-card__meta--refs {
  margin-top: 0;
}

.scene-card__badge {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 11px;
  border-radius: 100px;
  line-height: 1.4;
  display: inline-block;
}

.scene-card__badge--mode {
  background: rgba(180, 120, 40, 0.18);
  border: 1px solid rgba(200, 140, 50, 0.45);
  color: var(--color-sepia-light);
}

.scene-card__badge--ref {
  background: rgba(70, 110, 140, 0.15);
  border: 1px solid rgba(90, 130, 160, 0.4);
  color: var(--color-text-secondary);
}

/* Intertitle block may host the same badges */
.intertitle .scene-card__style-refs {
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

/* Reference still thumbnails under each reconstructed scene */
.scene-card__ref-strip {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px dashed var(--color-border-line);
}

.scene-card__ref-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.scene-card__ref-thumb {
  margin: 0;
  width: 7.5rem;
}

.scene-card__ref-thumb img {
  display: block;
  width: 100%;
  height: 5.5rem;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-mid);
  filter: sepia(0.15) contrast(1.05);
  background: var(--color-bg-media);
}

.scene-card__ref-thumb figcaption {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  line-height: 1.25;
  margin-top: 4px;
  word-break: break-word;
}

.intertitle .scene-card__ref-strip {
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}


/* --- Timeline --- */
.timeline {
  position: relative;
  padding: var(--space-2xl) 0;
}

.timeline__line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--color-sepia-dark), var(--color-sepia-dark), transparent);
  transform: translateX(-50%);
  pointer-events: none;
}

/* Items live in a dedicated wrapper so the line sibling does not break nth-child */
.timeline__items {
  position: relative;
  z-index: 1;
}

.timeline__item {
  position: relative;
  width: 45%;
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-faint);
  margin-bottom: var(--space-2xl);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.timeline__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.timeline__items .timeline__item:nth-child(odd) {
  margin-left: 0;
  margin-right: auto;
}

.timeline__items .timeline__item:nth-child(even) {
  margin-left: auto;
  margin-right: 0;
}

.timeline__item--highlight {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.timeline__year {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-sepia-light);
  margin-bottom: var(--space-xs);
}

.timeline__title {
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
}

.timeline__description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.timeline__dot {
  position: absolute;
  top: var(--space-lg);
  width: 14px;
  height: 14px;
  background: var(--color-sepia-medium);
  border: 3px solid var(--color-bg-deep);
  border-radius: 50%;
}

.timeline__items .timeline__item:nth-child(odd) .timeline__dot {
  right: -38px;
  left: auto;
}

.timeline__items .timeline__item:nth-child(even) .timeline__dot {
  left: -38px;
  right: auto;
}

/* Scene anchors clear fixed header */
[id^="scene-"],
.research-content section[id],
.page-content section[id] {
  scroll-margin-top: calc(var(--header-height) + var(--space-md));
}

/* Media provenance badges */
.media-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 100px;
  margin-bottom: var(--space-xs);
  vertical-align: middle;
}

.media-badge--ai {
  background: rgba(74, 144, 164, 0.2);
  color: var(--color-accent-light);
  border: 1px solid rgba(74, 144, 164, 0.45);
}

.media-badge--archival {
  background: rgba(123, 160, 91, 0.15);
  color: var(--color-success);
  border: 1px solid rgba(123, 160, 91, 0.4);
}

/* Corner pin on gallery cards (archive AI badges) */
.media-badge--pin {
  position: absolute;
  z-index: 2;
  top: 0.5rem;
  left: 0.5rem;
}


.gallery__item-overlay {
  /* keep base styles; ensure captions visible on focus/touch */
}

.gallery__item:focus .gallery__item-overlay,
.gallery__item:focus-within .gallery__item-overlay {
  transform: translateY(0);
  opacity: 1;
}

@media (hover: none) {
  .gallery__item-overlay {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Scene prev/next nav */
.scene-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

.scene-nav__status {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.scene-nav__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

/* Film slideshow viewer */
.film-viewer {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.film-viewer__stage {
  background: var(--color-bg-deep);
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.film-viewer__stage img {
  width: 100%;
  height: auto;
  max-height: 60vh;
  object-fit: contain;
}

.film-viewer__controls {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  align-items: center;
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.film-viewer__caption {
  margin-top: var(--space-lg);
  color: var(--color-text-secondary);
  text-align: center;
}

.film-viewer__intertitle {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-sepia-light);
  margin: var(--space-sm) 0;
}

.film-viewer__counter {
  font-variant-numeric: tabular-nums;
  color: var(--color-text-muted);
  min-width: 4rem;
  text-align: center;
}

/* Sources catalog */
.sources-list {
  list-style: none;
  display: grid;
  gap: var(--space-lg);
}

.sources-list__item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.sources-list__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin: var(--space-sm) 0;
}

.compare-ai-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin: var(--space-2xl) 0;
}

@media (max-width: 768px) {
  .compare-ai-block {
    grid-template-columns: 1fr;
  }
}

.pipeline-diagram {
  display: block;
  width: 100%;
  max-width: 960px;
  margin: var(--space-xl) auto;
  height: auto;
}

/* Enhanced lightbox (shared) */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox[hidden] {
  display: none;
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 75vh;
  border-radius: var(--radius-md);
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.8);
}

.lightbox__close,
.lightbox__nav {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.lightbox__close {
  top: 1.5rem;
  right: 1.5rem;
  width: 52px;
  height: 52px;
  font-size: 2rem;
}

.lightbox__nav {
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  font-size: 1.5rem;
}

.lightbox__nav--prev { left: 1rem; }
.lightbox__nav--next { right: 1rem; }

.lightbox__close:hover,
.lightbox__nav:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox__caption {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--color-text-secondary);
  font-family: var(--font-display);
  font-size: 1rem;
  max-width: min(600px, 90vw);
  background: rgba(13, 9, 7, 0.75);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  opacity: 1;
}

.timeline__item--highlight .timeline__dot {
  background: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent-glow);
}


/* --- Research / Academic Layout --- */
.research-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--space-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: calc(var(--header-height) + var(--space-2xl)) var(--space-xl) var(--space-4xl);
}

.research-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-xl));
  max-height: calc(100vh - var(--header-height) - var(--space-2xl));
  overflow-y: auto;
  padding-right: var(--space-md);
}

.research-sidebar__nav {
  list-style: none;
}

.research-sidebar__link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-left: 2px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.research-sidebar__link:hover,
.research-sidebar__link.active {
  color: var(--color-accent-light);
  border-left-color: var(--color-accent);
  background: rgba(74, 144, 164, 0.05);
  text-decoration: none;
}

.research-sidebar__link--sub {
  padding-left: var(--space-xl);
  font-size: 0.8rem;
}

.research-content {
  min-width: 0;
}

.research-content h2 {
  font-size: 1.75rem;
  padding-top: var(--space-2xl);
  margin-bottom: var(--space-lg);
  border-top: 1px solid var(--color-border-faint);
}

.research-content h3 {
  font-size: 1.25rem;
  color: var(--color-accent-light);
  margin-top: var(--space-xl);
}

.research-content p {
  text-align: justify;
  hyphens: auto;
}

.research-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
  background: rgba(74, 144, 164, 0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.research-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
  font-size: 0.9rem;
}

.research-content th {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  font-weight: 600;
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 2px solid var(--color-sepia-dark);
}

.research-content td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border-faint);
  color: var(--color-text-secondary);
}

.research-content tr:hover td {
  background: var(--color-border-ghost);
}

/* Footnotes */
.footnote {
  font-size: 0.8rem;
  vertical-align: super;
  cursor: pointer;
  color: var(--color-accent);
}

.footnote:hover {
  text-decoration: underline;
}

/* Figure */
.figure {
  margin: var(--space-xl) 0;
  text-align: center;
}

.figure img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin: 0 auto;
}

.figure__caption {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--color-text-muted);
}


/* --- Archive Gallery --- */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.gallery__item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-normal);
  aspect-ratio: 4/3;
}

.gallery__item:hover {
  transform: scale(1.02);
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: sepia(15%);
  transition: filter var(--transition-slow);
}

.gallery__item:hover img {
  filter: sepia(0%);
}

.gallery__item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg) var(--space-md);
  background: linear-gradient(transparent, rgba(13, 9, 7, 0.9));
  transform: translateY(20%);
  opacity: 0;
  transition: all var(--transition-normal);
}

.gallery__item:hover .gallery__item-overlay {
  transform: translateY(0);
  opacity: 1;
}

.gallery__item-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.gallery__item-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}


/* --- Stats Row --- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  padding: var(--space-2xl) 0;
}

.stat {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-faint);
  transition: transform var(--transition-normal);
}

.stat:hover {
  transform: translateY(-4px);
}

.stat__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-sepia-light);
  line-height: 1;
}

.stat__label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}


/* --- Disclaimer Banner --- */
.disclaimer {
  background: rgba(74, 144, 164, 0.08);
  border: 1px solid rgba(74, 144, 164, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-xl);
  margin: var(--space-2xl) 0;
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.disclaimer__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.disclaimer__text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.disclaimer__text strong {
  color: var(--color-accent-light);
}


/* --- Footer --- */
.footer {
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border-faint);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-sepia-light);
  margin-bottom: var(--space-md);
}

.footer__text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.footer__heading {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer__links a:hover {
  color: var(--color-accent-light);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--space-xl);
  margin-top: var(--space-xl);
  border-top: 1px solid var(--color-border-faint);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-xl);
  padding-right: var(--space-xl);
}


/* --- Projector Flicker Animation --- */
@keyframes projectorFlicker {
  0%, 100% { opacity: 1; }
  5% { opacity: 0.97; }
  10% { opacity: 1; }
  15% { opacity: 0.98; }
  50% { opacity: 1; }
  55% { opacity: 0.96; }
  60% { opacity: 1; }
}

.flicker {
  animation: projectorFlicker 3s infinite;
}


/* --- Interactive storyboard (parts → scenes → frames) --- */
.storyboard {
  margin-bottom: var(--space-3xl);
}

.storyboard__summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  padding: var(--space-lg);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-mid);
  border-radius: var(--radius-md);
}

.storyboard__stat {
  text-align: center;
}

.storyboard__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.storyboard__stat span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.storyboard__parts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.storyboard__part-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  padding: var(--space-md);
  text-align: left;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
  font: inherit;
}

.storyboard__part-btn:hover {
  border-color: var(--color-accent);
  background: rgba(196, 163, 90, 0.08);
}

.storyboard__part-btn.is-active {
  border-color: var(--color-accent);
  background: rgba(196, 163, 90, 0.14);
  box-shadow: 0 0 0 1px rgba(196, 163, 90, 0.35);
}

.storyboard__part-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 0.06em;
}

.storyboard__part-title {
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.3;
}

.storyboard__part-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.storyboard__part-panel {
  padding: var(--space-lg) 0;
}

.storyboard__part-header h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin: 0 0 var(--space-sm);
}

.storyboard__part-summary {
  color: var(--color-text-secondary);
  max-width: 52rem;
  margin: 0 0 var(--space-sm);
  line-height: 1.6;
}

.storyboard__part-function {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
}

.storyboard__act-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--space-xs);
}

.storyboard__part-shots {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
}

.storyboard__act-desc {
  max-width: 52rem;
  padding: var(--space-md) var(--space-lg);
  margin: 0 0 var(--space-xl);
  background: rgba(196, 163, 90, 0.06);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.storyboard__act-desc-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin: 0 0 var(--space-xs);
  font-weight: 600;
}

.storyboard__act-desc p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.storyboard__scene-shots {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-left: 0.25rem;
}

.storyboard__scene-blurb {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
  margin: 0.35rem 0 0;
}

.storyboard__scene-desc-block {
  margin: 0 0 var(--space-lg);
}

.storyboard__scene-desc-block .scene-card__description {
  margin-top: 0.35rem;
}

/* Character plates */
.char-plate-strip {
  margin: 0 0 var(--space-2xl);
}

.char-plate-strip__title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
  font-weight: 600;
}

.char-plate-strip__row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-md);
}

.char-plate {
  margin: 0;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.char-plate img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background: var(--color-bg-ink);
}

.char-plate figcaption {
  padding: 0.45rem 0.55rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.3;
}

.char-plate__role {
  display: block;
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
  line-height: 1.35;
}

.char-plate--compact img {
  aspect-ratio: 3 / 4;
}

.storyboard__detail .char-plate-strip {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.storyboard__detail .char-plate-strip__row {
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
}

/* Location plates (4:3 establishing photos) */
.loc-plate-block {
  margin: var(--space-lg) 0;
}

.loc-plate {
  margin: 0;
  max-width: 560px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.loc-plate img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--color-bg-ink);
}

.loc-plate figcaption {
  padding: 0.5rem 0.65rem 0.65rem;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-text-secondary);
}

/* ---------- Plates gallery page (characters + locations) ---------- */
.plates-section {
  margin: var(--space-2xl) 0 var(--space-3xl);
  scroll-margin-top: 5rem;
}

.plates-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin: var(--space-2xl) 0 var(--space-xl);
}

.plates-tabs__btn {
  appearance: none;
  border: 1px solid var(--color-border-heavy);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.plates-tabs__btn:hover {
  border-color: var(--color-sepia-medium);
  color: var(--color-text-primary);
}

.plates-tabs__btn.is-active {
  border-color: var(--color-warning);
  color: var(--color-sepia-light);
  background: var(--color-bg-warm);
}

.plates-panel[hidden] {
  display: none;
}

.plates-loading {
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--space-xl);
}

.plates-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xl);
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.plates-char-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.plates-char-card {
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.plates-char-card__img {
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  border: 0;
  background: var(--color-bg-ink);
  cursor: zoom-in;
  text-align: left;
  line-height: 0;
}

.plates-char-card__img img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.plates-char-card__body {
  padding: 0.75rem 0.9rem 1rem;
}

.plates-char-card__body h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
  font-family: var(--font-display);
}

.plates-char-card__role {
  margin: 0 0 0.4rem;
  font-size: 0.82rem;
  color: var(--color-accent-light);
}

.plates-meta {
  margin: 0.2rem 0 0;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.plates-loc-card {
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.plates-loc-card__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 320px);
  gap: var(--space-lg);
  align-items: start;
  margin-bottom: var(--space-md);
}

.plates-loc-card__id {
  margin: 0 0 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--color-warning);
  text-transform: uppercase;
}

.plates-loc-card h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.plates-loc-card__notes {
  margin: 0 0 0.5rem;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  max-width: 52ch;
}

.plates-loc-card__actions {
  margin: var(--space-md) 0 0;
}

.plates-loc-card__master {
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-ink);
  cursor: zoom-in;
  position: relative;
  line-height: 0;
}

.plates-loc-card__master img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.plates-angles-title {
  margin: var(--space-md) 0 var(--space-sm);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.plates-angle-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.plates-thumb {
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-bg-ink);
  cursor: zoom-in;
  position: relative;
  text-align: left;
  line-height: 0;
}

.plates-thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.plates-thumb__cap {
  display: block;
  padding: 0.35rem 0.5rem;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--color-sepia-light);
  background: rgba(0, 0, 0, 0.65);
  line-height: 1.3;
}

.storyboard__scene-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.storyboard__scene-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: inherit;
  cursor: pointer;
  text-align: left;
  font: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.storyboard__scene-card:hover {
  border-color: rgba(196, 163, 90, 0.7);
  transform: translateY(-2px);
}

.storyboard__scene-card.is-active {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(196, 163, 90, 0.4);
}

.storyboard__scene-thumb {
  aspect-ratio: 4 / 3;
  background: var(--color-bg-ink);
  overflow: hidden;
}

.storyboard__scene-thumb img,
.storyboard__thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.storyboard__scene-body {
  padding: var(--space-sm) var(--space-md) var(--space-md);
}

.storyboard__scene-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
}

.storyboard__scene-title {
  font-size: 0.95rem;
  margin: 0.35rem 0 0.25rem;
  line-height: 1.3;
  font-weight: 600;
}

.storyboard__scene-loc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.35;
}

.storyboard__status {
  display: inline-block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.4rem;
  border-radius: 999px;
  vertical-align: middle;
}

.storyboard__status--still {
  background: var(--color-status-still-bg);
  color: var(--color-status-still);
}

.storyboard__status--outline {
  background: var(--color-status-outline-bg);
  color: var(--color-status-outline);
}

.storyboard__status--done {
  background: var(--color-status-done-bg);
  color: var(--color-status-done);
}

.storyboard__detail {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.22);
  outline: none;
}

.storyboard__detail-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.storyboard__detail-pos {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.storyboard__detail-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.storyboard__detail-header .scene-card__title {
  flex: 1 1 100%;
  margin: var(--space-xs) 0 0;
}

.storyboard__frames-title {
  margin: var(--space-xl) 0 var(--space-md);
  font-size: 1rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.storyboard__frames {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
}

.storyboard__frames--empty {
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

.storyboard__frame {
  margin: 0;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: rgba(0, 0, 0, 0.14);
}

.storyboard__frame--planned {
  border-style: dashed;
  border-color: rgba(196, 163, 90, 0.35);
}

.storyboard__frame img {
  width: 100%;
  border-radius: var(--radius-sm);
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--color-bg-ink);
}

.storyboard__frame figcaption,
.storyboard__frame-cap {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.45rem;
  line-height: 1.35;
}

.storyboard__frame-label {
  font-weight: 650;
  color: var(--color-sepia-light);
}

.storyboard__frame-meta {
  font-size: 0.7rem;
  text-transform: lowercase;
  letter-spacing: 0.02em;
  color: var(--color-warning);
}

.storyboard__frame-angle,
.storyboard__frame-action {
  font-size: 0.7rem;
  opacity: 0.92;
}

.storyboard__frame-path code {
  font-size: 0.65rem;
  word-break: break-all;
  color: var(--color-text-muted);
  opacity: 0.85;
}

.storyboard__frame--key figcaption {
  color: var(--color-accent);
}

.storyboard__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 120px;
  height: 100%;
  background: repeating-linear-gradient(
    -45deg,
    rgba(255, 255, 255, 0.03),
    rgba(255, 255, 255, 0.03) 8px,
    rgba(255, 255, 255, 0.06) 8px,
    rgba(255, 255, 255, 0.06) 16px
  );
  border: 1px dashed var(--color-border-heavy);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  padding: var(--space-md);
  text-align: center;
}

.storyboard__placeholder-icon {
  font-size: 1.5rem;
  opacity: 0.5;
}

.storyboard__placeholder-label {
  font-size: 0.75rem;
  line-height: 1.35;
}

@media (max-width: 640px) {
  .storyboard__parts {
    grid-template-columns: 1fr 1fr;
  }
}


/* --- Film Strip Scroll Decoration --- */
.film-strip-divider {
  width: 100%;
  height: 40px;
  background: var(--color-bg-deep);
  position: relative;
  overflow: hidden;
  margin: var(--space-xl) 0;
}

.film-strip-divider::before,
.film-strip-divider::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 8px;
  background: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 16px,
    var(--color-border) 16px,
    var(--color-border) 24px
  );
}

.film-strip-divider::before { top: 4px; }
.film-strip-divider::after { bottom: 4px; }


/* --- Scene Viewer (Full-screen) --- */
.scene-viewer {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.scene-viewer.active {
  opacity: 1;
  pointer-events: all;
}

.scene-viewer__close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 2rem;
  cursor: pointer;
  z-index: 10;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--transition-fast);
}

.scene-viewer__close:hover {
  background: rgba(255,255,255,0.1);
}

.scene-viewer__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.08);
  border: none;
  color: var(--color-text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.scene-viewer__nav:hover {
  background: rgba(255,255,255,0.15);
}

.scene-viewer__nav--prev { left: var(--space-xl); }
.scene-viewer__nav--next { right: var(--space-xl); }

.scene-viewer__content {
  max-width: 900px;
  max-height: 80vh;
  text-align: center;
}

.scene-viewer__content img {
  max-height: 60vh;
  border-radius: var(--radius-md);
  margin: 0 auto var(--space-lg);
}


/* --- Page Content Area --- */
.page-content {
  padding-top: calc(var(--header-height) + var(--space-2xl));
  min-height: 100vh;
}

.page-hero {
  padding: var(--space-4xl) 0 var(--space-2xl);
  text-align: center;
  position: relative;
}

.page-hero__eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}


/* --- Methodology Pipeline --- */
.pipeline {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  overflow-x: auto;
  padding: var(--space-xl) 0;
}

.pipeline__step {
  flex-shrink: 0;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  width: 200px;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.pipeline__step:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
}

.pipeline__step-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.pipeline__step-title {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--space-xs);
}

.pipeline__step-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.pipeline__arrow {
  font-size: 1.2rem;
  color: var(--color-sepia-medium);
  flex-shrink: 0;
}


/* --- Loading / Transition Effects --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}


/* --- Responsive --- */
@media (max-width: 1024px) {
  .scene-card {
    grid-template-columns: 1fr;
  }
  
  .scene-card:nth-child(even) {
    direction: ltr;
  }
  
  .research-layout {
    grid-template-columns: 1fr;
  }
  
  .research-sidebar {
    position: static;
    max-height: none;
    border-bottom: 1px solid var(--color-border-faint);
    padding-bottom: var(--space-lg);
    margin-bottom: var(--space-lg);
  }
  
  .timeline__line {
    left: 20px;
  }
  
  .timeline__items .timeline__item:nth-child(odd),
  .timeline__items .timeline__item:nth-child(even) {
    width: calc(100% - 50px);
    margin-left: 50px;
    margin-right: 0;
  }

  .timeline__items .timeline__item:nth-child(odd) .timeline__dot,
  .timeline__items .timeline__item:nth-child(even) .timeline__dot {
    left: -38px;
    right: auto;
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 1.25rem;
    --space-2xl: 2rem;
    --space-3xl: 3rem;
    --space-4xl: 4rem;
  }

  .plates-loc-card__head {
    grid-template-columns: 1fr;
  }
  
  .header__inner--nav-only {
    justify-content: center;
  }

  .header__nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(13, 9, 7, 0.98);
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-lg);
    gap: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }
  
  .header__nav.open {
    display: flex;
  }
  
  .header__menu-toggle {
    display: block;
  }
  
  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero__cta-group {
    flex-direction: column;
    align-items: center;
  }
  
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .gallery {
    grid-template-columns: 1fr;
  }
  
  .pipeline {
    flex-direction: column;
    align-items: stretch;
  }
  
  .pipeline__step {
    width: 100%;
  }
  
  .pipeline__arrow {
    transform: rotate(90deg);
    text-align: center;
  }
}



/* ============================================
   Layout utilities (replace repeated inline styles)
   ============================================ */

.u-text-center { text-align: center; }
.u-text-left { text-align: left; }
.u-text-secondary { color: var(--color-text-secondary); }
.u-text-muted { color: var(--color-text-muted); }
.u-text-sepia { color: var(--color-sepia-light); }
.u-mb-md { margin-bottom: var(--space-md); }
.u-mb-lg { margin-bottom: var(--space-lg); }
.u-mb-xl { margin-bottom: var(--space-xl); }
.u-mb-2xl { margin-bottom: var(--space-2xl); }
.u-mb-3xl { margin-bottom: var(--space-3xl); }
.u-mt-md { margin-top: var(--space-md); }
.u-mt-lg { margin-top: var(--space-lg); }
.u-mt-xl { margin-top: var(--space-xl); }
.u-mt-2xl { margin-top: var(--space-2xl); }

.u-prose {
  max-width: var(--max-width-prose);
  margin-left: auto;
  margin-right: auto;
  color: var(--color-text-secondary);
}

.u-prose-center {
  max-width: var(--max-width-prose);
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  color: var(--color-text-secondary);
}

.u-lede {
  max-width: 40rem;
  margin: var(--space-md) auto 0;
  color: var(--color-text-secondary);
}

.u-list-body {
  color: var(--color-text-secondary);
  padding-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.u-list-body--loose {
  color: var(--color-text-secondary);
  padding-left: var(--space-xl);
  line-height: 1.8;
}

.u-scroll-x {
  overflow-x: auto;
}

.u-cta-row {
  margin-top: var(--space-md);
  text-align: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.u-section-rule {
  border-top: 1px solid var(--color-border-soft);
}

.u-section-rule--pad {
  border-top: 1px solid var(--color-border-soft);
  padding-top: var(--space-3xl);
}

.u-heading-center {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.u-heading-center--lg {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.u-heading-center--2xl {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.u-panel {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.u-panel--xl {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.u-panel-title {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.u-abstract-title {
  font-size: 1rem;
  color: var(--color-accent-light);
  margin-bottom: var(--space-md);
}

.u-abstract-body {
  font-style: italic;
  text-align: justify;
}

.u-code-panel {
  background: var(--color-bg-deep);
  border: 1px solid var(--color-border-mid);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  overflow-x: auto;
}

.u-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

@media (max-width: 768px) {
  .u-compare-grid {
    grid-template-columns: 1fr;
  }
}

.u-frame-slot {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-frame);
  padding: 1.25rem;
}


.u-prose-list {
  max-width: 640px;
  margin: var(--space-lg) auto;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.u-cta-row--start {
  margin-top: var(--space-2xl);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.u-muted-box {
  color: var(--color-text-muted);
  padding: var(--space-xl);
}

.u-text-sm { font-size: 0.9rem; }
.u-text-base { font-size: 1rem; }

.u-heading-sepia {
  font-size: 1rem;
  color: var(--color-sepia-light);
  margin-bottom: var(--space-sm);
}

.u-heading-sepia--spaced {
  font-size: 1rem;
  color: var(--color-sepia-light);
  margin: var(--space-lg) 0 var(--space-sm);
}

.u-abstract-body--muted {
  font-style: italic;
  text-align: justify;
  color: var(--color-text-secondary);
}

.u-list-body--en {
  color: var(--color-text-secondary);
  padding-left: var(--space-xl);
  line-height: 1.9;
}

/* Home hero media (dynamic CDN URLs stay as CSS custom props when needed) */
.hero__media-scrim {
  position: absolute;
  inset: 0;
  background: rgba(13, 9, 7, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1;
}

.u-caption-sm {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

.u-mono-note {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-align: left;
  color: var(--color-text-secondary);
  margin: 0;
}

.u-img-cap {
  max-width: 600px;
}

.u-section-title-sm {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--color-sepia-light);
}

.page-hero__title--article {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.3;
  margin-bottom: var(--space-lg);
}

.page-hero__meta {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-xs);
}

.page-hero__meta--sm {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ============================================
   Accessibility & Performance
   ============================================ */

/* Видимий фокус для клавіатурної навігації */
:focus-visible {
  outline: 2px solid var(--color-accent-light);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* skip-link (прихований до фокусу) */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-deep);
  color: var(--color-text-primary);
  border-radius: 0 0 var(--radius-md) 0;
}

.skip-link:focus {
  left: 0;
}

/* Повага до налаштувань користувача: менше руху */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  /* Вимикаємо фонове зерно плівки та мерехтіння */
  body::after {
    animation: none !important;
  }

  .flicker {
    animation: none !important;
  }

  /* Елементи scroll-reveal видимі одразу */
  .fade-in {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* --- Print (research / long-form) --- */
@media print {
  body::after,
  .header,
  .header__menu-toggle,
  .skip-link,
  .film-strip-divider,
  .flicker,
  .research-sidebar,
  .scene-nav,
  .lightbox {
    display: none !important;
  }

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

  .research-layout {
    display: block;
    padding-top: 0;
  }

  .research-content,
  .page-content,
  p,
  h1, h2, h3, h4 {
    color: var(--color-print-text) !important;
  }

  a {
    color: var(--color-print-text);
    text-decoration: underline;
  }

  .research-content a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.75em;
    color: var(--color-print-muted);
  }

  .disclaimer {
    border: 1px solid var(--color-print-border);
    background: var(--color-print-panel);
  }
}