/* ENTELEKRON Ecosystem — Design System */
:root {
  --bg-deep: #020408;
  --bg-surface: #080f1a;
  --bg-panel: rgba(8, 16, 32, 0.75);
  --bg-panel-hover: rgba(12, 24, 48, 0.85);
  --border-subtle: rgba(0, 212, 255, 0.12);
  --border-glow: rgba(0, 212, 255, 0.35);
  --accent-cyan: #00d4ff;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-gold: #f59e0b;
  --accent-green: #10b981;
  --text-primary: #e8f4ff;
  --text-secondary: #94b4d4;
  --text-muted: #5a7a9a;
  --glow-cyan: 0 0 40px rgba(0, 212, 255, 0.25);
  --glow-purple: 0 0 40px rgba(139, 92, 246, 0.2);
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --nav-height: 72px;
  --section-pad: clamp(4rem, 8vw, 8rem);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-deep);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 10000;
  padding: 0.75rem 1.5rem;
  background: var(--accent-cyan);
  color: var(--bg-deep);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

/* Background layers */
#neural-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.ambient-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 20%, transparent 70%);
  pointer-events: none;
}

.scan-line {
  position: fixed;
  inset: 0;
  z-index: 1;
  background: linear-gradient(transparent 50%, rgba(0, 212, 255, 0.015) 50%);
  background-size: 100% 4px;
  pointer-events: none;
  opacity: 0.4;
}

/* Navigation */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(2, 4, 8, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition), box-shadow var(--transition);
}

.nav-header.scrolled {
  background: rgba(2, 4, 8, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-icon {
  width: 36px;
  height: 36px;
  color: var(--accent-cyan);
  filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.5));
}

.brand-icon svg { width: 100%; height: 100%; }

.brand-text { display: flex; flex-direction: column; line-height: 1.2; }

.brand-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.brand-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.25em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent-cyan);
  transition: var(--transition);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-cyan);
}

.nav-indicator {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
  transition: transform var(--transition);
}

.nav-link:hover .nav-indicator,
.nav-link.active .nav-indicator {
  transform: translateX(-50%) scaleX(1);
}

.nav-cta {
  margin-left: 0.5rem;
  padding: 0.6rem 1.25rem;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(139, 92, 246, 0.15));
  border: 1px solid var(--border-glow);
  color: var(--accent-cyan) !important;
}

.nav-cta:hover {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.25), rgba(139, 92, 246, 0.25));
}

/* Main content */
main {
  position: relative;
  z-index: 2;
}

.section {
  padding: var(--section-pad) 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  background: rgba(0, 212, 255, 0.05);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  max-width: 640px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  padding: calc(var(--nav-height) + 3rem) 2rem 4rem;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--accent-green);
  margin-bottom: 1.5rem;
  padding: 0.5rem 1rem;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 100px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 10px var(--accent-green);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.badge-divider { color: var(--text-muted); }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.title-line { display: block; }

.title-accent {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: var(--bg-deep);
  box-shadow: var(--glow-cyan);
}

.btn-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transform: translateX(-100%);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  100% { transform: translateX(100%); }
}

.btn-secondary {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid var(--border-glow);
}

.btn-secondary:hover {
  background: rgba(0, 212, 255, 0.08);
  box-shadow: var(--glow-cyan);
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.hero-stat { display: flex; flex-direction: column; }

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Hero visual */
.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 480px;
  margin: 0 auto;
}

.orbital-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.ring-1 {
  width: 100%;
  height: 100%;
  animation: orbit 20s linear infinite;
  border-color: rgba(0, 212, 255, 0.2);
}

.ring-2 {
  width: 70%;
  height: 70%;
  animation: orbit 15s linear infinite reverse;
  border-color: rgba(139, 92, 246, 0.2);
}

.ring-3 {
  width: 40%;
  height: 40%;
  animation: orbit 10s linear infinite;
  border-color: rgba(245, 158, 11, 0.2);
}

@keyframes orbit {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.core-nucleus {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, var(--accent-cyan), var(--accent-blue));
  border-radius: 50%;
  box-shadow: 0 0 60px rgba(0, 212, 255, 0.5), 0 0 120px rgba(0, 212, 255, 0.2);
  animation: nucleus-pulse 3s ease-in-out infinite;
}

@keyframes nucleus-pulse {
  0%, 100% { box-shadow: 0 0 60px rgba(0, 212, 255, 0.5), 0 0 120px rgba(0, 212, 255, 0.2); }
  50% { box-shadow: 0 0 80px rgba(0, 212, 255, 0.7), 0 0 160px rgba(0, 212, 255, 0.3); }
}

/* Galaxy */
.galaxy-section { position: relative; }

.galaxy-container {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto 2rem;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  box-shadow: var(--glow-cyan), inset 0 0 60px rgba(0, 212, 255, 0.03);
}

#galaxy-canvas {
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

.galaxy-tooltip {
  position: absolute;
  padding: 0.5rem 1rem;
  background: rgba(2, 4, 8, 0.95);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  pointer-events: none;
  z-index: 10;
  white-space: nowrap;
  box-shadow: var(--glow-cyan);
}

.galaxy-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.legend-item {
  padding: 0.4rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
}

.legend-item:hover, .legend-item.active {
  color: var(--accent-cyan);
  border-color: var(--border-glow);
  background: rgba(0, 212, 255, 0.08);
  box-shadow: var(--glow-cyan);
}

.module-panel {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2000;
  width: min(90vw, 480px);
  padding: 2rem;
  background: rgba(2, 4, 8, 0.97);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 80px rgba(0, 0, 0, 0.8), var(--glow-cyan);
  backdrop-filter: blur(20px);
}

.module-panel-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--transition);
}

.module-panel-close:hover {
  color: var(--accent-cyan);
  border-color: var(--border-glow);
}

.module-panel h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.module-panel .module-type {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-purple);
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.module-panel p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.module-panel .module-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

/* Dashboard */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.metric-card {
  padding: 1.5rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.metric-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--glow-cyan);
}

.metric-card-wide {
  grid-column: 1 / -1;
}

.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.metric-icon {
  font-size: 1.25rem;
  color: var(--accent-cyan);
}

.status-light {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.status-pulse { animation: pulse 2s ease-in-out infinite; }

.metric-name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.metric-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.metric-unit {
  font-size: 1.25rem;
  color: var(--accent-cyan);
  margin-left: 0.25rem;
}

.metric-bar {
  height: 4px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.metric-fill {
  height: 100%;
  width: var(--fill, 0%);
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
  border-radius: 2px;
  animation: fill-grow 1.5s ease-out forwards;
  transform-origin: left;
}

@keyframes fill-grow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.metric-detail {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.network-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.network-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.network-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.network-wave {
  height: 60px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(0, 212, 255, 0.03);
}

#network-wave-canvas { width: 100%; height: 100%; }

/* Explorers */
.explorer-interface {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.explorer-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.3);
  overflow-x: auto;
}

.explorer-tab {
  flex: 1;
  min-width: 100px;
  padding: 1rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.explorer-tab:hover { color: var(--text-secondary); }

.explorer-tab.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.05);
}

.explorer-panels { padding: 1.5rem; min-height: 400px; }

.explorer-panel { display: none; }
.explorer-panel.active { display: block; }

.explorer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.explorer-header h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}

.explorer-search {
  display: flex;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.explorer-search input {
  padding: 0.6rem 1rem;
  background: rgba(0, 0, 0, 0.4);
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  min-width: 240px;
}

.explorer-search input::placeholder { color: var(--text-muted); }
.explorer-search input:focus { outline: none; }

.explorer-search button {
  padding: 0.6rem 1rem;
  background: rgba(0, 212, 255, 0.1);
  border: none;
  color: var(--accent-cyan);
  cursor: pointer;
  transition: background var(--transition);
}

.explorer-search button:hover { background: rgba(0, 212, 255, 0.2); }

.explorer-feed {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.feed-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.25rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  animation: feed-in 0.4s ease-out;
}

@keyframes feed-in {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.feed-item:hover {
  border-color: var(--border-glow);
  background: rgba(0, 212, 255, 0.03);
}

.feed-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.08);
  border-radius: var(--radius-sm);
}

.feed-content h4 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.feed-content p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.feed-meta {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.feed-status {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 100px;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.feed-status.confirmed { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.feed-status.pending { background: rgba(245, 158, 11, 0.15); color: var(--accent-gold); }
.feed-status.active { background: rgba(0, 212, 255, 0.15); color: var(--accent-cyan); }

/* SOVRA */
.sovra-container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.5rem;
}

.sovra-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.sovra-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(139, 92, 246, 0.05);
}

.sovra-avatar {
  position: relative;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.15);
  border-radius: 50%;
}

.avatar-ring {
  position: absolute;
  inset: -4px;
  border: 2px solid var(--accent-purple);
  border-radius: 50%;
  opacity: 0.5;
  animation: orbit 4s linear infinite;
}

.sovra-info h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
}

.sovra-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--accent-green);
}

.sovra-insights {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.sovra-insights h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.insight-cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.insight-card {
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.3);
  border-left: 3px solid var(--accent-purple);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  animation: feed-in 0.5s ease-out;
}

.sovra-chat { padding: 1.5rem; }

.chat-messages {
  min-height: 200px;
  max-height: 280px;
  overflow-y: auto;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chat-msg {
  max-width: 85%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  animation: feed-in 0.3s ease-out;
}

.chat-msg.sovra {
  align-self: flex-start;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.25);
  color: var(--text-secondary);
}

.chat-msg.user {
  align-self: flex-end;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border-glow);
  color: var(--text-primary);
}

.chat-input {
  display: flex;
  gap: 0.5rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.3);
}

.chat-input input {
  flex: 1;
  padding: 0.85rem 1rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.chat-input input:focus { outline: none; }

.chat-input button {
  padding: 0 1.25rem;
  background: rgba(139, 92, 246, 0.2);
  border: none;
  color: var(--accent-purple);
  cursor: pointer;
  transition: background var(--transition);
}

.chat-input button:hover { background: rgba(139, 92, 246, 0.35); }
.chat-input button svg { width: 18px; height: 18px; }

.sovra-sidebar { display: flex; flex-direction: column; gap: 1.5rem; }

.sovra-card {
  padding: 1.5rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.sovra-card h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.meter-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.meter-bar {
  height: 4px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.meter-bar div {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan));
  border-radius: 2px;
  transition: width 1s ease-out;
}

.recommendation-list {
  list-style: none;
}

.recommendation-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--transition);
}

.recommendation-list li:hover { color: var(--accent-cyan); }
.recommendation-list li:last-child { border-bottom: none; }

/* Connectivity */
.connectivity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.connect-item {
  padding: 1.25rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition);
}

.connect-item:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
  box-shadow: var(--glow-cyan);
}

.connect-pair {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.connect-status {
  font-size: 0.75rem;
  color: var(--accent-green);
}

.connectivity-visual {
  height: 200px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
}

#connectivity-canvas { width: 100%; height: 100%; }

/* Footer */
.site-footer {
  position: relative;
  z-index: 2;
  margin-top: var(--section-pad);
  padding: 3rem 2rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  background: rgba(2, 4, 8, 0.9);
}

.footer-grid {
  max-width: 1400px;
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
  display: block;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-links h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-links ul { list-style: none; }
.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 2;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent-cyan); }

.footer-status-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--accent-green);
  margin-bottom: 0.5rem;
}

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

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-tag {
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
}

/* Scroll animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { max-width: 320px; }
  .sovra-container { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1rem;
    background: rgba(2, 4, 8, 0.98);
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link { width: 100%; justify-content: center; }
  .nav-cta { margin-left: 0; margin-top: 0.5rem; }

  .explorer-tab { min-width: 80px; padding: 0.75rem; font-size: 0.65rem; }
  .feed-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .feed-meta { text-align: left; }
  .footer-grid { grid-template-columns: 1fr; }

  body.has-ecosystem-app-sticky:not(.ecosystem-app-sticky-dismissed) {
    padding-bottom: calc(58px + env(safe-area-inset-bottom, 0px));
  }

  .ecosystem-app-sticky.is-visible {
    display: flex;
  }
}

/* ── Ecosystem app (app.entelekron.tvk.group) ── */
.ecosystem-app-section {
  padding-top: 0;
}

.ecosystem-app-card {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(1.35rem, 3vw, 2rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glow);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(0, 212, 255, 0.12), transparent 55%),
    linear-gradient(145deg, rgba(8, 16, 32, 0.95), rgba(2, 4, 8, 0.92));
  box-shadow: var(--glow-cyan);
}

.ecosystem-app-card h2 {
  margin: 0.5rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.2vw, 2rem);
  line-height: 1.2;
}

.ecosystem-app-card h2 strong {
  color: var(--accent-cyan);
}

.ecosystem-app-copy > p {
  margin: 0 0 1.1rem;
  color: var(--text-secondary);
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.7;
  max-width: 52ch;
}

.ecosystem-app-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.ecosystem-app-install {
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.install-step {
  padding: 0.95rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
}

.install-platform {
  display: inline-block;
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.install-step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-primary);
}

.ecosystem-app-sticky {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.85rem calc(0.65rem + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--border-glow);
  background: rgba(2, 4, 8, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.35);
}

.ecosystem-app-sticky.is-visible {
  display: flex;
}

.ecosystem-app-sticky-link {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  color: var(--text-primary);
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
}

.ecosystem-app-sticky-link strong {
  color: var(--accent-cyan);
}

.ecosystem-app-mark {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border-radius: 6px;
  border: 1px solid var(--accent-cyan);
  background:
    radial-gradient(circle at center, rgba(0, 212, 255, 0.35), transparent 70%),
    var(--bg-surface);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.25);
}

.ecosystem-app-sticky-close {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
}

.ecosystem-app-sticky-close:hover {
  color: var(--text-primary);
  border-color: var(--border-glow);
}

@media (max-width: 860px) {
  .ecosystem-app-card {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}