/* ==========================================================================
   MARQUANT // PERSONAL PORTFOLIO & TECHNICAL DOCUMENTATION
   Design Language: SpaceX.com Architecture meets Apple.com Minimalist Precision
   Pure Monochromatic Base | Obsidian & Titanium Palette | No AI Purple Tropes
   ========================================================================== */

:root {
  --bg-primary: #070709;
  --bg-secondary: #0d0e12;
  --bg-elevated: #13141a;
  --bg-surface: rgba(255, 255, 255, 0.04);
  --bg-surface-hover: rgba(255, 255, 255, 0.08);
  --bg-glass: rgba(10, 11, 15, 0.85);
  
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-muted: #6e6e73;
  --text-inverse: #050507;
  
  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.15);
  --border-focus: rgba(255, 255, 255, 0.4);
  
  --accent-titanium: #e2e2e5;
  --accent-white: #ffffff;
  --accent-amber: #d4a373;
  --accent-emerald: #30d158;
  --accent-cyan: #64d2ff;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Menlo, Monaco, Consolas, "Courier New", monospace;
  
  --max-width: 1360px;
  --header-height: 72px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-full: 9999px;
  
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  background-color: var(--bg-primary);
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* ==========================================================================
   NAVIGATION (SpaceX Floating Glass Minimalist Header)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: linear-gradient(180deg, rgba(7, 7, 9, 0.92) 0%, rgba(7, 7, 9, 0.7) 70%, transparent 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-hairline);
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.site-header.scrolled {
  background: var(--bg-glass);
  border-bottom-color: var(--border-subtle);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}

.nav-brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.brand-logo {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.brand-subtitle {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent-white);
  transition: width var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.btn-link-modal {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.btn-link-modal:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-nav-action {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 18px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
  transition: all var(--transition-fast);
}

.btn-nav-action:hover {
  background: var(--text-primary);
  color: var(--text-inverse);
  border-color: var(--text-primary);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ==========================================================================
   HERO SECTION (SpaceX Style Full-Bleed Video Header)
   ========================================================================== */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 680px;
  width: 100%;
  display: flex;
  align-items: flex-end;
  padding-bottom: 96px;
  overflow: hidden;
}

.hero-video-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.72) contrast(1.08);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: linear-gradient(
    180deg,
    rgba(7, 7, 9, 0.4) 0%,
    rgba(7, 7, 9, 0.1) 40%,
    rgba(7, 7, 9, 0.8) 85%,
    var(--bg-primary) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 32px;
}

.hero-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-hairline);
  margin-bottom: 20px;
}

.hero-meta-badge .pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--text-primary);
  text-transform: uppercase;
  margin-bottom: 16px;
  max-width: 900px;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  color: var(--text-secondary);
  font-weight: 300;
  max-width: 720px;
  line-height: 1.5;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 14px 28px;
  background: var(--text-primary);
  color: var(--text-inverse);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  background: rgba(255, 255, 255, 0.88);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.15);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 14px 28px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

/* ==========================================================================
   MISSION STATEMENT SECTION
   ========================================================================== */
.mission-section {
  position: relative;
  padding: 140px 32px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-hairline);
}

.mission-container {
  max-width: 980px;
  margin: 0 auto;
  text-align: left;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.mission-heading {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 36px;
}

.mission-heading .highlight {
  color: var(--text-secondary);
  font-weight: 300;
}

.mission-body {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 40px;
}

.mission-body p {
  margin-bottom: 24px;
}

.mission-body strong {
  color: var(--text-primary);
  font-weight: 500;
}

.mission-manifesto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 52px;
  border-top: 1px solid var(--border-hairline);
  padding-top: 44px;
}

.manifesto-card {
  padding: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.manifesto-card:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-subtle);
}

.manifesto-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-titanium);
  margin-bottom: 12px;
}

.manifesto-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

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

/* --- Idea Gallery & Notes Conceptual Showcase --- */
.idea-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.idea-card {
  padding: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.idea-card:hover {
  background: var(--bg-surface-hover);
  border-color: rgba(0, 113, 227, 0.4);
  transform: translateY(-2px);
}

.idea-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 12px;
}

.idea-quote {
  font-size: 0.98rem;
  font-style: italic;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.45;
  margin: 0 0 14px 0;
  padding-left: 12px;
  border-left: 2px solid var(--accent-blue);
}

.idea-reflection {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 16px;
  flex-grow: 1;
}

.idea-origin-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  align-self: flex-start;
  border: 1px solid var(--border-hairline);
}

/* ==========================================================================
   INTERACTIVE SIDE TIMELINE (Mini Timeline for Ongoing Projects)
   ========================================================================== */
.side-timeline-container {
  position: fixed;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 16px;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.side-timeline-container.visible {
  opacity: 1;
  pointer-events: auto;
}

.timeline-track-node {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  cursor: pointer;
  position: relative;
}

.timeline-node-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  background: rgba(7, 7, 9, 0.9);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-hairline);
  backdrop-filter: blur(8px);
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.timeline-track-node:hover .timeline-node-label,
.timeline-track-node.active .timeline-node-label {
  opacity: 1;
  transform: translateX(0);
  color: var(--text-primary);
}

.timeline-node-pip {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  border: 2px solid var(--bg-primary);
  transition: all var(--transition-fast);
}

.timeline-track-node:hover .timeline-node-pip,
.timeline-track-node.active .timeline-node-pip {
  background: var(--text-primary);
  transform: scale(1.4);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   M&T (MANAGEMENT & TECHNOLOGY) PROJECTS SECTION
   ========================================================================== */
.projects-section {
  position: relative;
  padding: 120px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-hairline);
}

.section-header-block {
  max-width: var(--max-width);
  margin: 0 auto 72px auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 32px;
}

.section-title {
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-top: 8px;
}

.section-summary-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.6;
}

/* Individual Project Deep-Dive Card */
.project-deepdive-container {
  max-width: var(--max-width);
  margin: 0 auto 120px auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.project-deepdive-container:last-child {
  margin-bottom: 0;
}

.project-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  transition: border-color var(--transition-smooth);
}

.project-card:hover {
  border-color: var(--border-subtle);
}

.project-header-bar {
  padding: 32px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-hairline);
  background: rgba(255, 255, 255, 0.02);
  flex-wrap: wrap;
  gap: 16px;
}

.project-title-group h3 {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.project-title-group p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.project-status-badges {
  display: flex;
  align-items: center;
  gap: 12px;
}

.badge-status {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.badge-status.live {
  background: rgba(48, 209, 88, 0.12);
  color: var(--accent-emerald);
  border: 1px solid rgba(48, 209, 88, 0.3);
}

.badge-status.ongoing {
  background: rgba(100, 210, 255, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(100, 210, 255, 0.3);
}

.badge-status.completed {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.project-card-body {
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.project-narrative-col {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.story-block {
  border-left: 2px solid var(--border-subtle);
  padding-left: 20px;
}

.story-subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.story-text {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.story-text strong {
  color: var(--text-primary);
}

.stats-grid-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 12px;
}

.stat-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  padding: 16px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.stat-number {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-sans);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 4px;
}

.project-interactive-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ==========================================================================
   INTERACTIVE INK-SAVING COMPARISON SLIDER
   ========================================================================== */
.ink-slider-widget {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.widget-metrics {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-emerald);
  background: rgba(48, 209, 88, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.comparison-viewport {
  position: relative;
  width: 100%;
  height: 380px;
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  cursor: ew-resize;
  user-select: none;
}

.comparison-image-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.comparison-image-layer.original {
  background-image: url('../assets/projects/printer/rich_sample_orig.png');
  z-index: 1;
}

.comparison-image-layer.processed {
  background-image: url('../assets/projects/printer/rich_sample_matrix50.png');
  z-index: 2;
  width: 100%;
  clip-path: inset(0 50% 0 0);
  border-right: none;
  box-shadow: none;
}

.comparison-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: rgba(255, 255, 255, 0.9);
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
}

.handle-knob {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--text-primary);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.slider-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mode-pill-btn {
  flex: 1;
  font-size: 0.78rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  text-align: center;
  transition: all var(--transition-fast);
}

.mode-pill-btn.active, .mode-pill-btn:hover {
  background: var(--text-primary);
  color: var(--text-inverse);
  border-color: var(--text-primary);
}

/* ==========================================================================
   INTERACTIVE WATER ROCKET DECOMPOSITION
   ========================================================================== */
.rocket-deconstruct-widget {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.rocket-stage-selector {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.stage-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-hairline);
  color: var(--text-muted);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.stage-btn.active, .stage-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-subtle);
}

.rocket-diagram-box {
  position: relative;
  height: 380px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.03) 0%, #08090c 100%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rocket-svg-stage-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: gap var(--transition-smooth);
}

.rocket-svg-stage-container.exploded {
  gap: 28px;
}

.rocket-component-node {
  cursor: pointer;
  transition: transform var(--transition-fast), filter var(--transition-fast);
}

.rocket-component-node:hover, .rocket-component-node.active {
  filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.5));
}

.stage-info-card {
  background: rgba(255, 255, 255, 0.03);
  border-left: 2px solid var(--accent-white);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.stage-info-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.stage-info-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.stage-formula {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-titanium);
  background: rgba(0, 0, 0, 0.4);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-top: 8px;
}

/* ==========================================================================
   VIDEO EMBED & SHOWCASE PLAYERS
   ========================================================================== */
.video-showcase-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-hairline);
  background: #000000;
}

.video-container-16-9 {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}

.video-container-16-9 iframe,
.video-container-16-9 video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-meta-bar {
  padding: 16px 20px;
  background: var(--bg-surface);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-hairline);
}

.video-meta-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.video-meta-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   CINEMATIC (VIDEO WORKS & BILIBILI) SECTION
   ========================================================================== */
.cinematic-section {
  position: relative;
  padding: 120px 32px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-hairline);
}

.cinematic-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 36px;
}

.bilibili-hero-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.bilibili-account-badge {
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-hairline);
}

.account-profile-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.account-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #050507;
  font-size: 1.2rem;
}

.account-info h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.account-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.btn-bilibili-channel {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  background: rgba(251, 114, 153, 0.15);
  color: #fb7299;
  border: 1px solid rgba(251, 114, 153, 0.3);
  transition: all var(--transition-fast);
}

.btn-bilibili-channel:hover {
  background: #fb7299;
  color: #ffffff;
}

.cinematic-sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cinematic-item-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cinematic-item-card:hover, .cinematic-item-card.active {
  background: var(--bg-surface-hover);
  border-color: var(--border-subtle);
  transform: translateX(-4px);
}

.cinematic-item-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.cinematic-item-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.cinematic-item-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   POETIC (AERIAL PHOTOGRAPHY ALBUMS) SECTION
   ========================================================================== */
.poetic-section {
  position: relative;
  padding: 120px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-hairline);
}

.poetic-header-wrapper {
  max-width: var(--max-width);
  margin: 0 auto 56px auto;
}

.album-quote-banner {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-left: 3px solid var(--text-primary);
  padding: 32px 40px;
  border-radius: var(--radius-md);
  margin-bottom: 48px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
  transition: border-left-color var(--transition-smooth);
}

.quote-text {
  font-family: "Georgia", "Times New Roman", serif;
  font-style: italic;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.quote-author {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.gallery-filter-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 24px;
}

.album-tabs-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.album-tab-btn {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.album-tab-btn .badge-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  margin-left: 6px;
  opacity: 0.7;
}

.album-tab-btn.active, .album-tab-btn:hover {
  background: var(--text-primary);
  color: var(--text-inverse);
  border-color: var(--text-primary);
}

.album-tab-btn.active .badge-count {
  opacity: 1;
}

.gallery-style-filters {
  display: flex;
  align-items: center;
  gap: 12px;
}

.filter-select {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  outline: none;
  cursor: pointer;
}

/* Photography Grid */
.photo-masonry-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.photo-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  cursor: pointer;
  aspect-ratio: 16 / 10;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.photo-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-subtle);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
}

.photo-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.photo-card:hover .photo-thumbnail {
  transform: scale(1.05);
}

.photo-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 20px 16px 20px;
  background: linear-gradient(180deg, transparent 0%, rgba(7, 7, 9, 0.95) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-fast);
}

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

.photo-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.photo-card-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: flex;
  justify-content: space-between;
}

/* ==========================================================================
   DOMAIN & INFRASTRUCTURE STRATEGY SECTION
   ========================================================================== */
.infra-section {
  position: relative;
  padding: 120px 32px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-hairline);
}

.infra-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.infra-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.infra-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.infra-card.featured {
  border-color: var(--border-focus);
  background: var(--bg-elevated);
}

.infra-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.infra-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.infra-price {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.infra-price span {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-muted);
}

.infra-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.infra-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.infra-features-list li span.bullet {
  color: var(--accent-emerald);
}

.infra-features-list li.risk span.bullet {
  color: #ff453a;
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.site-footer {
  padding: 80px 32px 48px 32px;
  background: #040406;
  border-top: 1px solid var(--border-hairline);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-brand h4 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 380px;
}

.footer-links-col h5 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-list a {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-nav-list a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 64px auto 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border-hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   MODAL LIGHTBOX (Photo & Video Players)
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  background: rgba(5, 5, 7, 0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

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

.lightbox-close-btn {
  position: absolute;
  top: 28px;
  right: 32px;
  font-size: 1.8rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  z-index: 2010;
}

.lightbox-close-btn:hover {
  color: var(--text-primary);
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-hairline);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 2010;
}

.lightbox-nav-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-nav-btn.prev {
  left: 32px;
}

.lightbox-nav-btn.next {
  right: 32px;
}

.lightbox-content-box {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-image {
  max-width: 90vw;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.8);
}

.lightbox-caption-bar {
  margin-top: 16px;
  text-align: center;
  color: var(--text-primary);
}

.lightbox-caption-title {
  font-size: 1.15rem;
  font-weight: 600;
}

.lightbox-caption-sub {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .project-card-body {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .mission-manifesto-grid,
  .infra-grid,
  .cinematic-grid {
    grid-template-columns: 1fr;
  }
  .side-timeline-container {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(7, 7, 9, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 32px;
    border-bottom: 1px solid var(--border-subtle);
    gap: 24px;
    z-index: 999;
  }
  .nav-menu.open {
    display: flex;
  }
  .mobile-toggle {
    display: flex;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .stats-grid-row {
    grid-template-columns: 1fr;
  }
  .gallery-filter-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }
}


/* ==========================================================================
   SPACEX.COM AESTHETICS & FULL-BLEED SLIDE SECTIONS
   ========================================================================== */
.spacex-container {
  width: 100%;
  position: relative;
}

.spacex-slide {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  overflow: hidden;
  box-sizing: border-box;
}

.spacex-slide-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.spacex-slide-bg img,
.spacex-slide-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.72) contrast(1.08);
}

.spacex-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(5, 5, 8, 0.45) 0%,
    rgba(5, 5, 8, 0.15) 35%,
    rgba(5, 5, 8, 0.65) 75%,
    rgba(5, 5, 8, 0.95) 100%
  );
  z-index: 2;
  pointer-events: none;
}

.spacex-slide-content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px 90px 48px;
  box-sizing: border-box;
}

.spacex-kicker {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.spacex-kicker .spacex-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #30d158;
  box-shadow: 0 0 10px #30d158;
}

.spacex-title {
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.05;
  color: #ffffff;
  margin-bottom: 14px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.7);
}

.spacex-subtitle {
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  font-weight: 400;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.86);
  max-width: 680px;
  margin-bottom: 30px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
}

.spacex-btn-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-spacex {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 36px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 2px solid #ffffff;
  background: rgba(0, 0, 0, 0.35);
  color: #ffffff;
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 2px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-spacex:hover {
  background: #ffffff;
  color: #000000;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 255, 255, 0.25);
}

.btn-spacex-ghost {
  border-color: rgba(255, 255, 255, 0.4);
  background: transparent;
}

.btn-spacex-ghost:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border-color: #ffffff;
}

.spacex-scroll-indicator {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.2s ease;
  animation: spacexBounce 2.4s infinite ease-in-out;
}

.spacex-scroll-indicator:hover {
  color: #ffffff;
}

@keyframes spacexBounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* ==========================================================================
   PROJECT DETAIL MODAL & DRAWER SYSTEM
   ========================================================================== */
.project-modal {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2500;
  background: rgba(5, 5, 8, 0.96);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  display: none;
  overflow-y: auto;
  opacity: 0;
  transition: opacity 0.28s ease;
}

.project-modal.active {
  display: block;
  opacity: 1;
}

.project-modal-dialog {
  max-width: 1200px;
  margin: 40px auto 80px auto;
  padding: 0 32px;
}

.project-modal-header {
  position: relative;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-hairline);
  margin-bottom: 32px;
}

.project-modal-close {
  position: absolute;
  top: 0;
  right: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-hairline);
  color: #ffffff;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.project-modal-close:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: rotate(90deg);
}

.project-modal-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #64d2ff;
  margin-bottom: 8px;
}

.project-modal-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 14px;
}

.project-modal-specs-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  background: rgba(255, 255, 255, 0.03);
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-hairline);
  margin-top: 20px;
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.spec-val {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Modal Tab Bar */
.project-modal-tabs {
  display: flex;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 32px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.project-tab-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 12px 20px;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.project-tab-btn:hover {
  color: var(--text-primary);
}

.project-tab-btn.active {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

.project-pane {
  display: none;
  animation: fadeInPane 0.25s ease;
}

.project-pane.active {
  display: block;
}

@keyframes fadeInPane {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   EDITORIAL MONOGRAPHS (IOWAN OLD STYLE / GEORGIA TYPOGRAPHY)
   ========================================================================== */
.font-monograph,
.monograph-title,
.monograph-intro,
.monograph-plate-title,
.monograph-plate-essay,
.slide-vol-title,
.plate-viewer-vol-title,
.plate-viewer-title,
.plate-viewer-curatorial {
  font-family: "Iowan Old Style", "Iowan OldStyle BT", Georgia, "Times New Roman", Garamond, serif !important;
}

/* Slide 7 Embedded Monograph Showcase */
.monograph-slide-showcase {
  display: flex;
  gap: 16px;
  margin: 20px 0 28px 0;
  overflow-x: auto;
  padding-bottom: 12px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  max-width: 100%;
}

.monograph-slide-showcase::-webkit-scrollbar {
  display: none;
}

.slide-vol-card {
  flex: 0 0 210px;
  background: rgba(14, 15, 22, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  display: flex;
  flex-direction: column;
}

.slide-vol-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.45);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.7);
  background: rgba(22, 24, 34, 0.9);
}

.slide-vol-cover {
  position: relative;
  width: 100%;
  height: 125px;
  overflow: hidden;
}

.slide-vol-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.slide-vol-card:hover .slide-vol-cover img {
  transform: scale(1.08);
}

.slide-vol-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(0, 0, 0, 0.75);
  padding: 2px 7px;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.slide-vol-body {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.slide-vol-title {
  font-size: 1.05rem;
  font-style: italic;
  font-weight: 500;
  color: #ffffff;
  margin-bottom: 4px;
  line-height: 1.25;
}

.slide-vol-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.35;
}

.slide-vol-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.monographs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 40px;
}

.monograph-card {
  position: relative;
  background: rgba(18, 19, 26, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.monograph-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.7);
}

.monograph-cover-wrapper {
  position: relative;
  width: 100%;
  height: 280px;
  overflow: hidden;
}

.monograph-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.monograph-card:hover .monograph-cover-img {
  transform: scale(1.06);
}

.monograph-cover-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,5,8,0.1) 0%, rgba(5,5,8,0.7) 100%);
}

.monograph-vol-badge {
  position: absolute;
  top: 18px;
  left: 20px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #ffffff;
  background: rgba(5, 5, 8, 0.75);
  backdrop-filter: blur(8px);
  padding: 4px 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 2px;
}

.monograph-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.monograph-title {
  font-size: 1.6rem;
  font-weight: 400;
  font-style: italic;
  color: #ffffff;
  margin-bottom: 6px;
  line-height: 1.25;
}

.monograph-subtitle {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.monograph-intro {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 24px;
  flex-grow: 1;
}

.monograph-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--border-hairline);
}

.monograph-plate-count {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.btn-open-monograph {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  transition: all 0.2s ease;
}

.monograph-card:hover .btn-open-monograph {
  background: #ffffff;
  color: #000000;
}

/* ==========================================================================
   MONOGRAPH PLATE VIEWER (MUSEUM EXHIBITION LIGHTBOX)
   ========================================================================== */
.plate-viewer-modal {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2800;
  background: rgba(4, 4, 6, 0.97);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  display: none;
  flex-direction: column;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.plate-viewer-modal.active {
  display: flex;
  opacity: 1;
}

.plate-viewer-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.plate-viewer-vol-info {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.plate-viewer-vol-title {
  font-family: "Iowan Old Style", Georgia, serif;
  font-size: 1.35rem;
  font-style: italic;
  color: #ffffff;
}

.plate-viewer-vol-count {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.plate-viewer-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.plate-viewer-btn-close {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.plate-viewer-btn-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.plate-viewer-stage {
  flex-grow: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 60px;
  overflow: hidden;
}

.plate-viewer-img-container {
  max-width: 85vw;
  max-height: 65vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.plate-viewer-img {
  max-width: 100%;
  max-height: 65vh;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.9);
  border-radius: 2px;
}

.plate-viewer-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
}

.plate-viewer-nav:hover {
  background: rgba(255, 255, 255, 0.25);
}

.plate-viewer-nav.prev { left: 24px; }
.plate-viewer-nav.next { right: 24px; }

.plate-viewer-details {
  padding: 16px 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-shrink: 0;
  background: rgba(0, 0, 0, 0.4);
}

.plate-viewer-meta {
  max-width: 650px;
}

.plate-viewer-title {
  font-family: "Iowan Old Style", Georgia, serif;
  font-size: 1.4rem;
  font-weight: 500;
  color: #ffffff;
  margin-bottom: 6px;
}

.plate-viewer-location {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #64d2ff;
  margin-bottom: 8px;
}

.plate-viewer-curatorial {
  font-family: "Iowan Old Style", Georgia, serif;
  font-size: 0.94rem;
  font-style: italic;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.78);
}

/* Scrubber Tray */
.plate-viewer-tray {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  max-width: 450px;
  padding: 4px 0;
}

.tray-thumb {
  width: 52px;
  height: 38px;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  object-fit: cover;
  cursor: pointer;
  opacity: 0.55;
  transition: all 0.2s ease;
}

.tray-thumb:hover, .tray-thumb.active {
  opacity: 1;
  border-color: #ffffff;
  transform: scale(1.08);
}

/* ==========================================================================
   PROJECT MODALS IMAGE CONTAINMENT & SIZING ENHANCEMENTS
   ========================================================================== */
.project-modal img,
.project-modal .project-pane img,
.project-modal .xmind-card-img,
.project-modal [style*="object-fit"] {
  max-width: 100% !important;
  max-height: 75vh !important;
  object-fit: contain !important;
  background: rgba(0, 0, 0, 0.45);
}

.project-modal .xmind-card-img {
  width: 100%;
  height: auto;
  min-height: 140px;
  max-height: 75vh !important;
  object-fit: contain !important;
  background: rgba(0, 0, 0, 0.45);
  border-radius: 4px;
}

.project-modal .project-pane div[style*="overflow: hidden"] > img,
.project-modal .project-pane img[style*="object-fit"] {
  object-fit: contain !important;
  max-height: 75vh !important;
  background: rgba(0, 0, 0, 0.45);
}

/* Responsive Bilibili Embed Player in Video Gallery */
.video-gallery-iframe {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  border: none;
}

.video-mode-pill {
  display: inline-flex;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-hairline);
  padding: 4px;
  border-radius: 20px;
}

.video-mode-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 12px;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.video-mode-btn.active {
  background: #ffffff;
  color: #000000;
  font-weight: 600;
}