/* ==========================================================================
   Orbiting Minds: An RR-10 Data-to-3D Simulation Experience
   Project Site Stylesheet (Sophisticated Space-Bioscience Editorial Aesthetic)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Color Palette - Restrained Bioscience Editorial */
  --bg-primary: #090b0e;
  --bg-secondary: #0f1218;
  --bg-card: #131720;
  --bg-card-hover: #181e2b;
  --bg-surface-elevated: #1d2331;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-focus: rgba(211, 106, 83, 0.5);

  --text-primary: #f5f2eb;
  --text-secondary: #b8b2a7;
  --text-muted: #78736a;

  /* Accent Colors */
  --accent-terracotta: #d36a53;
  --accent-terracotta-hover: #e07a63;
  --accent-terracotta-glow: rgba(211, 106, 83, 0.15);
  
  --accent-cyan: #40c4ff;
  --accent-coral: #ff5252;
  --accent-gold: #d4af37;
  --accent-orange: #ff6f00;

  /* Typography */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  font-size: 16px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Defaults */
h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.2;
}

p {
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--accent-terracotta);
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
}

/* Utility Containers */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

/* Tag / Badge System */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.badge-terracotta {
  background: rgba(211, 106, 83, 0.12);
  border-color: rgba(211, 106, 83, 0.3);
  color: var(--accent-terracotta);
}

.badge-cyan {
  background: rgba(64, 196, 255, 0.12);
  border-color: rgba(64, 196, 255, 0.3);
  color: var(--accent-cyan);
}

.badge-gold {
  background: rgba(212, 175, 55, 0.12);
  border-color: rgba(212, 175, 55, 0.3);
  color: var(--accent-gold);
}

/* Sticky Navigation Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: rgba(9, 11, 14, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.nav-brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-terracotta);
  box-shadow: 0 0 8px var(--accent-terracotta);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-cta-btn:hover {
  background: var(--accent-terracotta);
  border-color: var(--accent-terracotta);
  color: #fff;
  transform: translateY(-1px);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
}

/* Hero Section */
.hero-section {
  padding-top: calc(var(--nav-height) + 4.5rem);
  padding-bottom: 5rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-tag-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.hero-title {
  font-size: clamp(2.75rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--accent-terracotta);
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.hero-summary {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: var(--accent-terracotta);
  color: #ffffff;
  padding: 0.85rem 1.65rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  box-shadow: 0 4px 16px var(--accent-terracotta-glow);
}

.btn-primary:hover {
  background: var(--accent-terracotta-hover);
  transform: translateY(-2px);
  color: #fff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  padding: 0.85rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.hero-provenance {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  border-left: 2px solid var(--accent-terracotta);
  padding-left: 0.75rem;
  margin-top: 0.5rem;
}

/* Hero Visual Card */
.hero-visual-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  transition: border-color var(--transition-fast);
}

.hero-visual-card:hover {
  border-color: var(--border-focus);
}

.hero-preview-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
  filter: contrast(1.05) brightness(0.95);
}

.hero-visual-telemetry {
  padding: 1.25rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.telemetry-item {
  display: flex;
  flex-direction: column;
}

.telemetry-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

.telemetry-value {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Section Common Styles */
.section {
  padding-top: 5.5rem;
  padding-bottom: 5.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  margin-bottom: 3.5rem;
  max-width: 780px;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-terracotta);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Project Overview Two-Mode Cards */
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.mode-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  transition: all var(--transition-normal);
}

.mode-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
  transform: translateY(-3px);
}

.mode-card-technical {
  border-top: 3px solid var(--accent-terracotta);
}

.mode-card-media {
  border-top: 3px solid var(--accent-gold);
}

.mode-card-title {
  font-size: 1.5rem;
  font-weight: 600;
}

.mode-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.feature-item {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.feature-bullet {
  color: var(--accent-terracotta);
  font-family: var(--font-mono);
  font-weight: 600;
}

.feature-bullet-gold {
  color: var(--accent-gold);
  font-family: var(--font-mono);
  font-weight: 600;
}

/* Technical Benchmark Section */
.tech-benchmark-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.tech-info-column {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.anatomy-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.anatomy-item {
  border-left: 2px solid var(--border-subtle);
  padding-left: 1.25rem;
  transition: border-color var(--transition-fast);
}

.anatomy-item:hover {
  border-color: var(--accent-terracotta);
}

.anatomy-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.anatomy-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Viewer Modes Row */
.modes-showcase {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modes-pills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.mode-pill-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 1rem;
  border-radius: var(--radius-sm);
  text-align: left;
}

.mode-pill-name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-terracotta);
  margin-bottom: 0.35rem;
}

.mode-pill-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Viewer Launch Card */
.viewer-launch-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: sticky;
  top: calc(var(--nav-height) + 1.5rem);
}

.viewer-card-preview {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.viewer-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.viewer-launch-card:hover .viewer-card-img {
  transform: scale(1.03);
}

.viewer-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 18, 24, 0.95), rgba(15, 18, 24, 0.2));
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.viewer-card-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.interpretation-boundary-box {
  background: rgba(211, 106, 83, 0.08);
  border-left: 3px solid var(--accent-terracotta);
  padding: 0.85rem 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.interpretation-boundary-box strong {
  color: var(--accent-terracotta);
}

/* Data and Findings Split Layout */
.data-findings-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
}

.data-summary-box {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.stats-highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.stat-dataset {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.data-preview-visual {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.data-preview-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-subtle);
}

.data-preview-caption {
  padding: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* AI Reasoning Benchmark & Rubric */
.rubric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.rubric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.rubric-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-medium);
}

.rubric-card.highlight-danger {
  border-color: rgba(211, 106, 83, 0.4);
  background: linear-gradient(180deg, rgba(211, 106, 83, 0.08) 0%, var(--bg-card) 100%);
}

.rubric-card.highlight-warning {
  border-color: rgba(212, 175, 55, 0.35);
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.06) 0%, var(--bg-card) 100%);
}

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

.rubric-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.rubric-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

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

.rubric-card-desc strong {
  color: var(--accent-terracotta);
}

.benchmark-scorecard-container {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.benchmark-scorecard-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
}

.benchmark-table-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.benchmark-table-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.benchmark-badges {
  display: flex;
  gap: 0.5rem;
}

.benchmark-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.benchmark-table th {
  background: var(--bg-secondary);
  padding: 1rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-medium);
}

.benchmark-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  vertical-align: middle;
}

.benchmark-table tr:last-child td {
  border-bottom: none;
}

.benchmark-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.benchmark-table tr.row-perfect td {
  background: rgba(64, 196, 255, 0.02);
}

.model-cell {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.model-name {
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 0.92rem;
}

.model-vendor {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.text-center {
  text-align: center;
}

.score-pill {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.score-pill.pass {
  background: rgba(46, 204, 113, 0.12);
  color: #2ecc71;
  border: 1px solid rgba(46, 204, 113, 0.25);
}

.score-pill.fail {
  background: rgba(231, 76, 60, 0.12);
  color: #e74c3c;
  border: 1px solid rgba(231, 76, 60, 0.25);
}

.score-pill.total-100 {
  background: rgba(64, 196, 255, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(64, 196, 255, 0.35);
}

.score-pill.total-high {
  background: rgba(212, 175, 55, 0.15);
  color: var(--accent-gold);
  border: 1px solid rgba(212, 175, 55, 0.35);
}

.score-pill.total-mid {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.benchmark-action-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.benchmark-strip-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.strip-icon {
  font-size: 1.6rem;
}

.benchmark-strip-info strong {
  color: var(--text-primary);
  font-size: 0.95rem;
  display: block;
  margin-bottom: 0.15rem;
}

.benchmark-strip-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.benchmark-strip-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-benchmark-primary, .btn-benchmark-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-benchmark-primary {
  background: var(--accent-terracotta);
  color: #ffffff;
}

.btn-benchmark-primary:hover {
  background: var(--accent-terracotta-hover);
  color: #ffffff;
}

.btn-benchmark-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
}

.btn-benchmark-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-terracotta);
  color: var(--accent-terracotta);
}

/* Data-to-3D Visual Mapping Table */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.mapping-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.mapping-table th {
  background: var(--bg-secondary);
  padding: 1.15rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-medium);
}

.mapping-table td {
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
  color: var(--text-secondary);
}

.mapping-table tr:last-child td {
  border-bottom: none;
}

.mapping-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.mapping-source {
  font-weight: 600;
  color: var(--text-primary);
}

.mapping-encoding {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-terracotta);
}

.mapping-boundary {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Media Companion & Miris Video Placeholder Component */
.media-companion-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.video-player-component {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid rgba(212, 175, 55, 0.28);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
  display: flex;
  flex-direction: column;
}

.video-poster-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
}

.cinematic-video-element,
.active-video-element {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #000;
  outline: none;
}

.video-caption-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.25rem;
  background: rgba(10, 12, 16, 0.95);
  border-top: 1px solid var(--border-subtle);
}

.video-clip-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.video-clip-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 0.2rem 0 0 0;
}

.character-spec-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.char-spec-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
}

.char-spec-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.char-spec-value {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Executive Briefing Slide Deck Embed */
.deck-embed-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 3rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.deck-embed-header {
  padding: 1.5rem 2rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.deck-header-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.deck-header-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.deck-header-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.btn-deck-fullscreen {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.15rem;
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid rgba(212, 175, 55, 0.35);
  color: var(--accent-gold);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-deck-fullscreen:hover {
  background: rgba(212, 175, 55, 0.22);
  color: #fff;
  border-color: var(--accent-gold);
  transform: translateY(-1px);
}

.deck-iframe-frame {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  background: #000;
}

.deck-iframe-frame iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Resource Console (Mission Console Layout) */
.resource-console {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.resource-category {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.category-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.resource-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 1.15rem;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

a.resource-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.resource-card-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.resource-card-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Inactive Placeholder Card */
.resource-card-placeholder {
  opacity: 0.6;
  border-style: dashed;
  cursor: not-allowed;
}

.resource-card-placeholder .resource-card-name {
  color: var(--text-muted);
}

.placeholder-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.15rem 0.45rem;
  border-radius: 2px;
}

/* Citation Section */
.citation-box-container {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.citation-code-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
  line-height: 1.6;
  position: relative;
  word-break: break-all;
}

.citation-action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.copy-citation-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.copy-citation-btn:hover {
  background: var(--accent-terracotta);
  border-color: var(--accent-terracotta);
  color: #fff;
}

.copy-citation-btn.copied {
  background: #2e7d32;
  border-color: #2e7d32;
  color: #fff;
}

.citation-confirm-msg {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #4caf50;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.citation-confirm-msg.visible {
  opacity: 1;
}

/* About Creator Section */
.about-creator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.creator-name {
  font-size: 1.5rem;
  font-weight: 700;
}

.creator-bio {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 760px;
}

.creator-actions {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

/* Limitations Box */
.limitations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.limitation-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  border-left: 3px solid var(--accent-terracotta);
}

.limitation-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.limitation-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  font-size: 0.8rem;
}

/* Focus States for Accessibility */
:focus-visible {
  outline: 2px solid var(--accent-terracotta);
  outline-offset: 3px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

/* Tablet (<= 1024px) */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .tech-benchmark-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .viewer-launch-card {
    position: static;
  }

  .data-findings-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .media-companion-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* Mobile (<= 768px) */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.25rem;
  }

  .nav-menu.is-open {
    display: flex;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .overview-grid {
    grid-template-columns: 1fr;
  }

  .modes-pills {
    grid-template-columns: 1fr;
  }

  .stats-highlight-grid {
    grid-template-columns: 1fr;
  }

  .character-spec-list {
    grid-template-columns: 1fr;
  }

  .resource-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Small Mobile (<= 375px) */
@media (max-width: 375px) {
  .hero-title {
    font-size: 2.25rem;
  }

  .hero-cta-group {
    flex-direction: column;
  }

  .hero-visual-telemetry {
    grid-template-columns: 1fr;
  }
}