/* Architecture Core & Dark Mode Defaults */
:root {
  --bg-primary: #000000;
  --bg-secondary: #111111;
  --text-primary: #ffffff;
  --text-muted: #aaaaaa;
  --accent-color: #990000;
  --accent-hover: #c00000;
  --border-color: #222222;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Roboto', Helvetica, Arial, sans-serif;
}

body.light-mode {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f5;
  --text-primary: #111111;
  --text-muted: #555555;
  --accent-color: #7a0000;
  --accent-hover: #990000;
  --border-color: #dddddd;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.75;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Global Navigation Layout */
.global-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.header-banner-container {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.header-image {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}

.matrix-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1rem;
  padding: 0 1rem;
}

.matrix-nav a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.5px;
  transition: color 0.2s ease;
}

.matrix-nav a:hover,
.matrix-nav a.active-node {
  color: var(--accent-color);
}

h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.5px;
  line-height: 1.3;
}

/* Call To Action Engine */
.cta-wrapper {
  text-align: center;
  margin: 2.5rem 0;
}

.cta-button {
  display: inline-block;
  background-color: var(--accent-color);
  color: #ffffff;
  font-family: var(--font-sans);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  padding: 1rem 2rem;
  text-decoration: none;
  border-radius: 0;
  transition: background-color 0.2s ease;
}

.cta-button:hover {
  background-color: var(--accent-hover);
}

/* Responsive Media Controls */
.video-aspect-frame {
  position: relative;
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  background-color: #000000;
}

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

/* Flambeau Noir Layout Specifics */
.archive-container {
  max-width: 1100px;
  margin: 3.5rem auto;
  padding: 0 1.5rem;
}

.archive-hero {
  text-align: center;
  margin-bottom: 4rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2.5rem;
}

.archive-hero h2 {
  font-size: 3rem;
  margin: 0 0 0.5rem 0;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.subtitle {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0;
}

.lineage-statement {
  max-width: 800px;
  margin: 1.5rem auto 0 auto;
  font-size: 1.05rem;
  color: var(--text-muted);
}

.archive-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 4rem;
  align-items: start;
}

.philosophical-block h3,
.event-year-block h3 {
  font-size: 1.75rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  margin-top: 0;
}

.philosophical-block p,
.event-year-block p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.event-year-block {
  margin-top: 4rem;
}

.sidebar-historical {
  position: sticky;
  top: 5rem;
}

.panel-section h4 {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  margin: 0 0 1rem 0;
}

.presenter-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.presenter-list li {
  padding: 0.4rem 0;
  color: var(--text-muted);
  font-size: 1rem;
  border-bottom: 1px dashed #1c1c1c;
}

body.light-mode .presenter-list li {
  border-bottom: 1px dashed #e5e5e5;
}

.network-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  margin-top: 2.5rem;
}

.network-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.network-link {
  display: block;
  color: var(--accent-color);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  margin: 0.5rem 0;
}

.network-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Global Footer Layout */
.global-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 1.5rem;
  text-align: center;
  margin-top: 5rem;
}

.social-links {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2rem;
}

.social-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.social-links a:hover {
  color: var(--text-primary);
}

.footer-meta p {
  margin: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-meta a {
  color: var(--accent-color);
  text-decoration: none;
}

.copyright {
  margin-top: 1.5rem;
  font-size: 0.8rem !important;
  opacity: 0.6;
}

/* Interactive Controls UI */
.mode-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  z-index: 1000;
}

.mode-toggle:hover {
  border-color: var(--accent-color);
}

/* Mobile Alignment Tuning */
@media (max-width: 900px) {
  .archive-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .archive-hero h2 {
    font-size: 2.25rem;
  }
  .matrix-nav {
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.5rem 0;
  }
}

/* Custom Typographic Banner Engine */
.site-text-banner {
  padding: 2.5rem 1rem 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.banner-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: 4px;
  text-transform: uppercase;
  line-height: 1.2;
}

.banner-sub {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-color);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-top: 0.5rem;
  opacity: 0.9;
}

/* Subtle border accent for the LRS / FN spaces */
.space-esoteric {
  border-bottom: 1px double var(--border-color);
  max-width: 600px;
  margin: 0 auto;
}

@media (max-width: 600px) {
  .banner-title {
    font-size: 1.5rem;
    letter-spacing: 2px;
  }
  .banner-sub {
    font-size: 0.65rem;
    letter-spacing: 1.5px;
  }
}