/* ── CULTURE & IDENTITY MODERN DESIGN ── */
/* A fresh, clean, grid-based aesthetic completely different from the papyrus version */

:root {
  /* Color Palette - Papyrus heritage with modern minimalism */
  --ci-bg: #0a0e14;
  --ci-bg-2: #0f1318;
  --ci-text: #e8e6e1;
  --ci-text-muted: #9a9792;

  /* Papyrus-inspired warm palette */
  --ci-accent-1: #c6a768;  /* Warm gold - Tunisia/Memory */
  --ci-accent-2: #b05c28;  /* Terracotta/Bronze - Maritime/Routes */
  --ci-accent-3: #8b6f47;  /* Olive - Diaspora/Belonging */
  --ci-accent-4: #a67c2d;  /* Deep gold - Systems/Doctrine */

  --ci-card-bg: rgba(255, 255, 255, 0.04);
  --ci-card-border: rgba(255, 255, 255, 0.08);
  --ci-card-hover: rgba(198, 167, 104, 0.1);

  --ci-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  --ci-shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);

  --ci-transition: all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light mode - Papyrus cream palette */
.ci-light {
  --ci-bg: #f9f5f0;
  --ci-bg-2: #f5ede0;
  --ci-text: #2b1f11;
  --ci-text-muted: #7a6b58;
  --ci-card-bg: rgba(245, 237, 224, 0.5);
  --ci-card-border: rgba(198, 167, 104, 0.2);
  --ci-card-hover: rgba(198, 167, 104, 0.12);
}

/* ── RESET & BASE ── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: var(--ci-bg);
  color: var(--ci-text);
  line-height: 1.6;
  font-size: 16px;
}

.ci-modern-wrap {
  position: relative;
  overflow: hidden;
}

.ci-grain {
  position: fixed;
  inset: 0;
  opacity: 0.03;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="400" height="400"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency=".9" numOctaves="4" result="noise"/></filter><rect width="100%" height="100%" filter="url(%23n)" opacity=".05"/></svg>');
  pointer-events: none;
  z-index: 1;
}

.ci-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ── MODE TOGGLE ── */
.ci-mode-toggle {
  position: fixed;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--ci-card-border);
  background: var(--ci-card-bg);
  cursor: pointer;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--ci-transition);
  backdrop-filter: blur(10px);
}

.ci-mode-toggle:hover {
  background: var(--ci-card-hover);
  border-color: var(--ci-accent-1);
}

/* ── HERO SECTION ── */
.ci-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  min-height: 100vh;
  padding: 120px 40px;
  position: relative;
  z-index: 2;
}

.ci-breadcrumb {
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ci-text-muted);
  margin-bottom: 32px;
}

.ci-title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 32px;
  background: linear-gradient(135deg, var(--ci-accent-1) 0%, var(--ci-accent-2) 50%, var(--ci-accent-3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ci-hero-desc {
  font-size: 1.125rem;
  color: var(--ci-text-muted);
  line-height: 1.8;
  margin-bottom: 48px;
  max-width: 520px;
}

.ci-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--ci-card-border);
}

.ci-meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ci-meta-label {
  font-size: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--ci-text-muted);
}

.ci-meta-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--ci-text);
}

.ci-meta-value.live {
  color: var(--ci-accent-3);
}

.ci-hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.ci-hero-visual-art {
  width: 100%;
  max-width: 400px;
  opacity: 0.8;
  filter: drop-shadow(0 0 20px rgba(198, 167, 104, 0.15));
}

/* ── FEATURES SECTION ── */
.ci-features {
  padding: 80px 40px;
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--ci-card-border);
}

.ci-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1320px;
  margin: 0 auto;
}

.ci-feature-card {
  padding: 32px;
  background: var(--ci-card-bg);
  border: 1px solid var(--ci-card-border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: var(--ci-transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
  cursor: pointer;
}

.ci-feature-card:hover {
  background: var(--ci-card-hover);
  border-color: var(--ci-accent-1);
  transform: translateY(-4px);
}

.ci-feature-icon {
  font-size: 32px;
  line-height: 1;
}

.ci-feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.ci-feature-card p {
  color: var(--ci-text-muted);
  font-size: 0.95rem;
  margin: 0;
  flex: 1;
}

.ci-feature-count {
  font-size: 12px;
  color: var(--ci-accent-1);
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* ── INTRO SECTION ── */
.ci-intro {
  padding: 100px 40px;
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--ci-card-border);
}

.ci-intro .ci-container {
  max-width: 900px;
}

.ci-intro h2 {
  font-size: 2.5rem;
  margin-bottom: 32px;
  font-weight: 600;
}

.ci-intro > .ci-container > p {
  font-size: 1.125rem;
  color: var(--ci-text-muted);
  line-height: 1.8;
  margin-bottom: 64px;
}

.ci-concept-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.ci-concept {
  padding: 32px;
  background: var(--ci-card-bg);
  border: 1px solid var(--ci-card-border);
  border-radius: 12px;
  border-left: 3px solid var(--ci-accent-1);
}

.ci-concept h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.ci-concept p {
  color: var(--ci-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ── SECTION HEADER ── */
.ci-section-header {
  text-align: center;
  margin-bottom: 64px;
}

.ci-label {
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ci-accent-1);
  display: block;
  margin-bottom: 16px;
}

.ci-section-header h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.ci-section-header p {
  color: var(--ci-text-muted);
  font-size: 1.05rem;
}

/* ── DOCTRINE SECTION ── */
.ci-doctrine {
  padding: 100px 40px;
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--ci-card-border);
}

.ci-article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.ci-article-card {
  padding: 32px;
  background: var(--ci-card-bg);
  border: 1px solid var(--ci-card-border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: var(--ci-transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ci-article-card:hover {
  background: var(--ci-card-hover);
  border-color: var(--ci-accent-1);
  transform: translateY(-4px);
}

.ci-article-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.ci-article-tag {
  font-size: 11px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--ci-accent-1);
  font-weight: 600;
}

.ci-article-date {
  font-size: 11px;
  color: var(--ci-text-muted);
}

.ci-article-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
}

.ci-article-card p {
  color: var(--ci-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

/* ── SIGNAL SECTION ── */
.ci-signal {
  padding: 100px 40px;
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--ci-card-border);
}

.ci-signal-content {
  max-width: 900px;
  margin: 0 auto;
}

.ci-signal h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 32px;
  color: var(--ci-accent-2);
}

.ci-signal p {
  font-size: 1.125rem;
  color: var(--ci-text-muted);
  line-height: 1.8;
  margin-bottom: 48px;
}

.ci-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.ci-keywords span {
  padding: 8px 16px;
  background: var(--ci-card-bg);
  border: 1px solid var(--ci-accent-1);
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--ci-accent-1);
  transition: var(--ci-transition);
}

.ci-keywords span:hover {
  background: var(--ci-accent-1);
  color: var(--ci-bg);
}

.ci-keywords span:nth-child(2n) {
  border-color: var(--ci-accent-2);
  color: var(--ci-accent-2);
}

.ci-keywords span:nth-child(2n):hover {
  background: var(--ci-accent-2);
}

.ci-keywords span:nth-child(3n) {
  border-color: var(--ci-accent-3);
  color: var(--ci-accent-3);
}

.ci-keywords span:nth-child(3n):hover {
  background: var(--ci-accent-3);
}

/* ── CLUSTERS SECTION ── */
.ci-clusters {
  padding: 100px 40px;
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--ci-card-border);
}

.ci-cluster-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 32px;
}

.ci-cluster {
  padding: 40px;
  background: var(--ci-card-bg);
  border: 1px solid var(--ci-card-border);
  border-radius: 12px;
  transition: var(--ci-transition);
}

.ci-cluster:hover {
  background: var(--ci-card-hover);
  border-color: var(--ci-accent-1);
}

.ci-cluster-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--ci-card-border);
}

.ci-cluster-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--ci-accent-1);
  opacity: 0.3;
  line-height: 1;
}

.ci-cluster-meta {
  flex: 1;
}

.ci-cluster-meta h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 8px;
}

.ci-cluster-type {
  font-size: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--ci-text-muted);
}

.ci-status-badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.ci-status-badge.live {
  background: rgba(139, 111, 71, 0.15);
  color: var(--ci-accent-3);
  border: 1px solid var(--ci-accent-3);
}

.ci-status-badge.wip {
  background: rgba(198, 167, 104, 0.15);
  color: var(--ci-accent-1);
  border: 1px solid var(--ci-accent-1);
}

.ci-status-badge.plan {
  background: rgba(176, 92, 40, 0.15);
  color: var(--ci-accent-2);
  border: 1px solid var(--ci-accent-2);
}

.ci-cluster-intro {
  color: var(--ci-text-muted);
  margin-bottom: 20px;
  line-height: 1.7;
}

.ci-cluster-quote {
  padding: 20px;
  background: rgba(198, 167, 104, 0.05);
  border-left: 3px solid var(--ci-accent-1);
  border-radius: 6px;
  margin: 24px 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ci-text-muted);
}

.ci-cluster-nodes {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 24px 0;
}

.ci-node {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--ci-card-border);
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-decoration: none;
  color: inherit;
  transition: var(--ci-transition);
  gap: 12px;
}

.ci-node:hover {
  background: rgba(198, 167, 104, 0.1);
  border-color: var(--ci-accent-1);
}

.ci-node-type {
  font-size: 10px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--ci-accent-1);
  font-weight: 600;
  min-width: 50px;
}

.ci-node-title {
  flex: 1;
  font-size: 0.95rem;
  font-weight: 500;
}

.ci-node-status {
  font-size: 11px;
  color: var(--ci-text-muted);
}

.ci-cluster-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--ci-card-border);
  margin-top: 20px;
}

.ci-cluster-updated {
  font-size: 12px;
  color: var(--ci-text-muted);
}

.ci-copy-btn {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--ci-card-border);
  border-radius: 6px;
  color: var(--ci-text);
  cursor: pointer;
  font-size: 12px;
  transition: var(--ci-transition);
  font-weight: 600;
}

.ci-copy-btn:hover {
  background: var(--ci-accent-1);
  border-color: var(--ci-accent-1);
  color: var(--ci-bg);
}

/* ── ROUTES SECTION ── */
.ci-routes {
  padding: 100px 40px;
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--ci-card-border);
}

.ci-route-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.ci-route {
  padding: 32px;
  background: var(--ci-card-bg);
  border: 1px solid var(--ci-card-border);
  border-radius: 12px;
  transition: var(--ci-transition);
}

.ci-route:hover {
  background: var(--ci-card-hover);
  border-color: var(--ci-accent-3);
}

.ci-route h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.ci-route p {
  color: var(--ci-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.ci-route-steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
}

.ci-route-steps li {
  counter-increment: step;
  padding: 12px 0 12px 32px;
  position: relative;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--ci-card-border);
}

.ci-route-steps li:last-child {
  border-bottom: none;
}

.ci-route-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  background: var(--ci-accent-3);
  color: var(--ci-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
}

/* ── HUBS SECTION ── */
.ci-hubs {
  padding: 100px 40px;
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--ci-card-border);
}

.ci-hubs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.ci-hub-card {
  padding: 40px;
  background: var(--ci-card-bg);
  border: 1px solid var(--ci-card-border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: var(--ci-transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.ci-hub-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ci-accent-1), var(--ci-accent-2), var(--ci-accent-3));
}

.ci-hub-card:hover {
  background: var(--ci-card-hover);
  border-color: var(--ci-accent-1);
  transform: translateY(-4px);
}

.ci-hub-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--ci-accent-1);
  opacity: 0.5;
}

.ci-hub-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.ci-hub-card p {
  color: var(--ci-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.ci-hub-connection {
  font-size: 12px;
  color: var(--ci-accent-2);
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* ── FOOTER ── */
.ci-footer {
  padding: 80px 40px 40px;
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--ci-card-border);
}

.ci-footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 60px;
  margin-bottom: 60px;
}

.ci-footer-section h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.ci-footer-section p {
  color: var(--ci-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.ci-footer-section ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ci-footer-section li {
  color: var(--ci-text-muted);
  font-size: 0.95rem;
}

.ci-footer-section a {
  color: var(--ci-accent-1);
  text-decoration: none;
  transition: var(--ci-transition);
}

.ci-footer-section a:hover {
  color: var(--ci-accent-2);
}

.ci-footer-bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid var(--ci-card-border);
  color: var(--ci-text-muted);
  font-size: 0.9rem;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .ci-hero {
    grid-template-columns: 1fr;
    gap: 60px;
    min-height: auto;
    padding: 80px 40px;
  }

  .ci-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
  }

  .ci-cluster-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .ci-container {
    padding: 0 24px;
  }

  .ci-hero {
    padding: 60px 24px;
  }

  .ci-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }

  .ci-hero-desc {
    font-size: 1rem;
  }

  .ci-hero-meta {
    gap: 24px;
  }

  .ci-section-header h2 {
    font-size: 1.75rem;
  }

  .ci-cluster {
    padding: 24px;
  }

  .ci-feature-grid,
  .ci-article-grid,
  .ci-route-grid,
  .ci-hubs-grid {
    grid-template-columns: 1fr;
  }

  .ci-intro,
  .ci-doctrine,
  .ci-signal,
  .ci-clusters,
  .ci-routes,
  .ci-hubs {
    padding: 60px 24px;
  }
}

/* ── CLUSTER-SPECIFIC COLORS ── */
/* Tunisia - Gold (Civilizational Memory) */
#cluster-tunisia .ci-cluster-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #c6a768, #a67c2d);
}

#cluster-tunisia:hover {
  border-color: #c6a768;
  background: rgba(198, 167, 104, 0.06);
}

/* Maritime - Bronze (Trade Routes & Borders) */
#cluster-maritime .ci-cluster-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #b05c28, #8b4513);
}

#cluster-maritime:hover {
  border-color: #b05c28;
  background: rgba(176, 92, 40, 0.06);
}

/* Diaspora - Olive (Identity & Belonging) */
#cluster-diaspora .ci-cluster-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #8b6f47, #6b5a38);
}

#cluster-diaspora:hover {
  border-color: #8b6f47;
  background: rgba(139, 111, 71, 0.06);
}

/* Bridge - Deep Gold (Connections) */
#cluster-bridge .ci-cluster-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #a67c2d, #8b6f47);
}

#cluster-bridge:hover {
  border-color: #a67c2d;
  background: rgba(166, 124, 45, 0.06);
}

/* ── ANIMATIONS ── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ci-cluster,
.ci-article-card,
.ci-feature-card,
.ci-route,
.ci-hub-card {
  animation: fadeInUp 0.6s ease-out both;
}

.ci-article-card:nth-child(2) { animation-delay: 0.1s; }
.ci-article-card:nth-child(3) { animation-delay: 0.2s; }
.ci-article-card:nth-child(4) { animation-delay: 0.3s; }