:root {
  --bg-canvas: #0b0b0d;
  --bg-surface: #202024;
  --bg-surface-hover: #29292e;
  --text-primary: #f2f3f5;
  --text-muted: #9fa4af;
  --accent-primary: #dc2626;
  --accent-secondary: #991b1b;
  --border-subtle: #34343b;
  --border-silver: #c0c4cc;
  --line-connector: rgba(192, 196, 204, 0.28);
  --focus-ring: #ffffff;
  --radius: 4px;
  --font-stack: "Trebuchet MS", "Segoe UI", -apple-system, sans-serif;
  --site-max-width: 1200px;
}

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

html {
  font-family: var(--font-stack);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  min-height: 100vh;
  padding: clamp(0.75rem, 2vw, 2rem);
  position: relative;
  overflow-x: hidden;
}

/* Outer Inset Frame (Brutalist Signal Layout) */
.page-frame {
  max-width: var(--site-max-width);
  margin: 0 auto;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-canvas);
  position: relative;
  padding: clamp(1rem, 2.5vw, 2.5rem);
  box-shadow: 0 0 0 1px rgba(220, 38, 38, 0.15);
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 1rem;
  background: var(--accent-primary);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 1rem;
  outline: 2px solid var(--focus-ring);
}

/* Far-Left Header Capsule */
.site-header {
  position: relative;
  margin-bottom: 2.5rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-capsule {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent-primary);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.brand-capsule:focus-visible {
  outline: 2px solid var(--focus-ring);
}
.brand-capsule .brand-pulse {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--accent-primary);
  border-radius: 50%;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--silver-details, #c0c4cc);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.5rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav-link:hover, .nav-link.active {
  color: #fff;
  border-bottom-color: var(--accent-primary);
}
.nav-link:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.nav-toggle-btn {
  display: none;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}
.nav-toggle-btn:focus-visible {
  outline: 2px solid var(--focus-ring);
}

/* Typography & General Brutalist Connectors */
h1, h2, h3, h4 {
  color: var(--text-primary);
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.2;
}
h1 {
  font-size: clamp(1.85rem, 3.8vw, 2.75rem);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}
p {
  color: #d1d5db;
  margin-bottom: 1.25rem;
  max-width: 72ch;
  overflow-wrap: anywhere;
  hyphens: auto;
}
.lead-p {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-primary);
}

/* Vertical Numbered Sections Linked with Silver Line */
.signal-stack {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}
.signal-stack::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 15px;
  bottom: 20px;
  width: 1px;
  background: var(--line-connector);
  z-index: 1;
}

.signal-section {
  position: relative;
  padding-left: 3rem;
  z-index: 2;
}

.section-marker {
  position: absolute;
  left: 6px;
  top: 0;
  width: 30px;
  height: 30px;
  background: var(--bg-surface);
  border: 1px solid var(--border-silver);
  color: var(--accent-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
}

.section-head-wrap {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.75rem;
}
.section-meta-tag {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--border-silver);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

/* Hero Split Layout */
.hero-split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--accent-primary);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-radius: var(--radius);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.75rem;
}

.btn-signal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--accent-primary);
  padding: 0.75rem 1.4rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}
.btn-signal:hover {
  background: var(--accent-primary);
  color: #fff;
}
.btn-signal:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.btn-signal-secondary {
  border-color: var(--border-silver);
  color: var(--border-silver);
}
.btn-signal-secondary:hover {
  background: var(--border-silver);
  color: var(--bg-canvas);
}

.hero-visual-frame {
  position: relative;
  border: 1px solid var(--border-subtle);
  background: #111114;
  padding: 0.75rem;
  border-radius: var(--radius);
  text-align: center;
}
.hero-visual-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}
.visual-caption {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  margin-bottom: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Thinly Divided Icon-Led List Rows */
.signal-rows-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-subtle);
  margin: 1.5rem 0;
}
.signal-row {
  display: grid;
  grid-template-columns: 50px 1.2fr 2fr 160px;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background: transparent;
  transition: background 0.15s ease;
}
.signal-row:hover {
  background: rgba(255, 255, 255, 0.02);
}
.row-icon-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--bg-surface);
  border: 1px solid var(--border-silver);
  color: var(--accent-primary);
  font-weight: 800;
  font-size: 0.85rem;
  border-radius: var(--radius);
}
.row-title-cell h3 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}
.row-title-cell span {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.row-desc-cell p {
  font-size: 0.9rem;
  margin-bottom: 0;
  color: #c0c4cc;
}
.row-action-cell {
  text-align: right;
}

/* Source & Date Rail Grid */
.rail-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}
.rail-sidebar {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-top: 3px solid var(--border-silver);
  padding: 1.25rem;
  border-radius: var(--radius);
  height: fit-content;
}
.rail-sidebar h3 {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
  margin-bottom: 0.85rem;
}
.rail-data-item {
  margin-bottom: 1rem;
}
.rail-data-item:last-child {
  margin-bottom: 0;
}
.rail-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.rail-value {
  font-size: 0.88rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* Scene-Context Annotations & Reaction Excerpts */
.annotation-box {
  background: rgba(32, 32, 36, 0.7);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent-primary);
  padding: 1.25rem;
  margin: 1.5rem 0;
  border-radius: var(--radius);
}
.annotation-box h4 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
  color: #ffffff;
}
.annotation-box p {
  font-size: 0.92rem;
  margin-bottom: 0;
}

.reaction-quote {
  border-left: 2px solid var(--border-silver);
  padding-left: 1.25rem;
  margin: 1.25rem 0;
  font-style: italic;
  color: #e5e7eb;
}
.reaction-quote cite {
  display: block;
  font-style: normal;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-top: 0.4rem;
  text-transform: uppercase;
}

/* Standard Data Table Wrapper */
.table-scroll-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
}
.signal-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}
.signal-table th, .signal-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
}
.signal-table th {
  background: var(--bg-surface);
  color: var(--border-silver);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.78rem;
}
.signal-table tr:last-child td {
  border-bottom: none;
}
.signal-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Forms & Drafting Tool */
.form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 1.75rem;
  border-radius: var(--radius);
  margin-top: 1.5rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
  color: var(--border-silver);
}
.form-input, .form-textarea, .form-select {
  width: 100%;
  background: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.75rem;
  font-family: inherit;
  font-size: 0.9rem;
  border-radius: var(--radius);
  transition: border-color 0.2s ease;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: 2px solid var(--focus-ring);
  border-color: var(--accent-primary);
}
.draft-output-preview {
  background: #111114;
  border: 1px solid var(--border-subtle);
  padding: 1rem;
  font-family: monospace;
  font-size: 0.82rem;
  white-space: pre-wrap;
  margin: 1rem 0;
  min-height: 100px;
  color: #a3a8b4;
  border-radius: var(--radius);
}
.draft-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* FAQ Accordion Styling */
.faq-block {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  margin-bottom: 1rem;
  border-radius: var(--radius);
}
.faq-block details {
  padding: 1rem 1.25rem;
}
.faq-block summary {
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
}
.faq-block summary::-webkit-details-marker {
  display: none;
}
.faq-block summary::after {
  content: "+";
  color: var(--accent-primary);
  font-size: 1.3rem;
  font-weight: bold;
}
.faq-block details[open] summary::after {
  content: "−";
}
.faq-block .faq-answer {
  margin-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
  font-size: 0.92rem;
  color: #c9ccd4;
}

/* Footer Specifications */
.site-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  padding-bottom: 1rem;
}
.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-brand-col {
  max-width: 420px;
}
.footer-brand-title {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.footer-domain-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 700;
}
.footer-domain-link:hover {
  text-decoration: underline;
}
.footer-links-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--border-silver);
  margin-bottom: 0.75rem;
}
.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.footer-links-list a {
  color: #a3a8b4;
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.15s;
}
.footer-links-list a:hover {
  color: #fff;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.25rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

/* Responsive Media Queries */
@media (max-width: 900px) {
  .hero-split {
    grid-template-columns: 1fr;
  }
  .rail-grid {
    grid-template-columns: 1fr;
  }
  .signal-row {
    grid-template-columns: 40px 1fr;
    grid-template-rows: auto auto auto;
    gap: 0.5rem;
  }
  .row-desc-cell {
    grid-column: 2 / -1;
  }
  .row-action-cell {
    grid-column: 2 / -1;
    text-align: left;
    margin-top: 0.3rem;
  }
}

@media (max-width: 768px) {
  body {
    padding: 0.5rem;
  }
  .page-frame {
    padding: 1rem;
  }
  .signal-stack::before {
    left: 14px;
  }
  .signal-section {
    padding-left: 2.2rem;
  }
  .section-marker {
    width: 24px;
    height: 24px;
    font-size: 0.65rem;
    left: 2px;
  }
  .nav-toggle-btn {
    display: inline-block;
  }
  .primary-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 1rem;
    flex-direction: column;
    align-items: flex-start;
    z-index: 50;
    box-shadow: 0 8px 16px rgba(0,0,0,0.5);
  }
  .primary-nav.is-open {
    display: flex;
  }
  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 0.5rem;
  }
  .nav-link {
    display: block;
    padding: 0.5rem 0;
  }
}

@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}