/* ═══════════════════════════════════════════════
   MAREEL AI — ACAI V2 Interface Stylesheet
   Sovereign Intelligence Platform
   Powered by Acuterium Technologies
   ═══════════════════════════════════════════════ */

/* ── DESIGN TOKENS ── */
:root {
  /* Mareel Brand Colors */
  --mareel-ocean: #0A1628;
  --mareel-deep: #060E1C;
  --mareel-mid: #0E1F3A;
  --mareel-surface: #132744;
  --mareel-gold: #D4A855;
  --mareel-gold-bright: #F5D07A;
  --mareel-gold-dim: #8B6F2A;
  --mareel-cyan: #00D4FF;
  --mareel-cyan-bright: #3DE8FF;
  --mareel-cyan-dim: #009AB8;

  /* Semantic */
  --red-alert: #FF3B30;
  --violet-qenc: #7B68EE;
  --green-ok: #30D158;
  --amber-warm: #FF6B35;

  /* Glass Panels */
  --glass-void: rgba(6, 14, 28, 0.60);
  --glass-panel: rgba(10, 22, 40, 0.55);
  --glass-item: rgba(19, 39, 68, 0.45);
  --glass-hover: rgba(19, 39, 68, 0.65);

  /* Borders */
  --border-cyan: rgba(0, 212, 255, 0.22);
  --border-cyan-bright: rgba(0, 212, 255, 0.35);
  --border-gold: rgba(212, 168, 85, 0.28);
  --border-subtle: rgba(255, 255, 255, 0.06);

  /* Typography */
  --font-ui: 'Sora', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-display: 'Cinzel', Georgia, serif;

  /* Text Colors */
  --text-primary: rgba(230, 245, 255, 0.93);
  --text-secondary: rgba(180, 215, 245, 0.78);
  --text-muted: rgba(130, 175, 215, 0.52);
  --text-ghost: rgba(100, 145, 185, 0.38);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 100px;

  /* Motion */
  --transition-fast: 0.18s ease;
  --transition-base: 0.40s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.65s cubic-bezier(0.4, 0, 0.2, 1);
  --breath-rate: 4.2s;
  --orb-drift: 14s;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-ui);
  color: var(--text-primary);
  background: var(--mareel-deep);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

body.mode-aui {
  background: radial-gradient(ellipse at 20% 50%, rgba(0, 60, 100, 0.35) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(60, 0, 100, 0.2) 0%, transparent 50%),
              linear-gradient(135deg, var(--mareel-deep) 0%, var(--mareel-ocean) 40%, #080418 100%);
}

a { color: var(--mareel-cyan); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--mareel-cyan-bright); }

img { max-width: 100%; height: auto; }

/* ── PARTICLE CANVAS ── */
#particleCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ── CONSCIOUSNESS ORB ── */
.consciousness-orb {
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.12) 0%, rgba(123, 104, 238, 0.06) 50%, transparent 70%);
  animation: orbBreathe var(--breath-rate) ease-in-out infinite, orbDrift var(--orb-drift) ease-in-out infinite alternate;
  position: fixed;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
}

@keyframes orbBreathe {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.08); opacity: 0.8; }
}

@keyframes orbDrift {
  0% { transform: translate(-50%, -50%) scale(1); }
  100% { transform: translate(calc(-50% + 40px), calc(-50% - 30px)) scale(1.05); }
}

/* ── CONSCIOUSNESS BAR (NAV) ── */
.acai-consciousness-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  height: 64px;
  background: var(--glass-void);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border-bottom: 1px solid var(--border-cyan);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.brand-logo {
  height: 36px;
  width: auto;
}

.brand-info { display: flex; flex-direction: column; }

.brand-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--mareel-cyan) 0%, var(--mareel-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 2px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

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

.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.consciousness-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid var(--border-cyan);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--mareel-cyan);
}

.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mareel-cyan);
  box-shadow: 0 0 8px var(--mareel-cyan);
  animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--mareel-cyan); }
  50% { opacity: 0.5; box-shadow: 0 0 3px var(--mareel-cyan); }
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--mareel-cyan) 0%, var(--mareel-cyan-dim) 100%);
  color: var(--mareel-ocean);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.04em;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.35);
  color: var(--mareel-deep);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  transition: all var(--transition-fast);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: var(--space-md) var(--space-lg);
  background: var(--glass-void);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-cyan);
  position: sticky;
  top: 64px;
  z-index: 999;
}

.mobile-nav.open { display: flex; }

.mobile-nav-link {
  padding: 12px 0;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-link.active { color: var(--mareel-cyan); }

/* ── GLASS PANEL ── */
.glass-panel {
  background: var(--glass-panel);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--mareel-cyan) 0%, var(--mareel-cyan-dim) 100%);
  color: var(--mareel-ocean);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.45);
  color: var(--mareel-deep);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  background: transparent;
  color: var(--mareel-cyan);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  border: 1px solid var(--border-cyan-bright);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(0, 212, 255, 0.08);
  transform: translateY(-2px);
  color: var(--mareel-cyan-bright);
}

.btn-lg { padding: 16px 40px; font-size: 15px; }

/* ── HERO SECTION ── */
.hero-section {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  min-height: 85vh;
}

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

.hero-stagger {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin-bottom: var(--space-xl);
}

.hero-word {
  font-family: var(--font-display);
  font-size: clamp(36px, 7vw, 80px);
  font-weight: 700;
  letter-spacing: 0.12em;
  background: linear-gradient(135deg, var(--mareel-cyan) 0%, var(--mareel-gold) 50%, var(--mareel-cyan-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  transform: translateY(30px);
  animation: heroReveal 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero-word[data-delay="0"] { animation-delay: 0.2s; }
.hero-word[data-delay="1"] { animation-delay: 0.5s; }
.hero-word[data-delay="2"] { animation-delay: 0.8s; }

@keyframes heroReveal {
  to { opacity: 1; transform: translateY(0); }
}

.hero-title {
  font-family: var(--font-ui);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 300;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  letter-spacing: 0.02em;
}

.hero-subtitle {
  font-size: clamp(14px, 1.8vw, 17px);
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.hero-models {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.model-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--glass-item);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

.model-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
}

.model-dot.active { background: var(--green-ok); box-shadow: 0 0 6px var(--green-ok); }

/* ── SECTION TITLES ── */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 600;
  text-align: center;
  letter-spacing: 0.06em;
  background: linear-gradient(135deg, var(--mareel-cyan) 0%, var(--mareel-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  text-align: center;
  font-size: 15px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.6;
}

/* ── FEATURES SECTION ── */
.features-section {
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  background: var(--glass-hover);
  border-color: var(--border-cyan-bright);
  box-shadow: 0 12px 40px rgba(0, 212, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(212, 168, 85, 0.1) 100%);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  color: var(--mareel-cyan);
}

.feature-icon svg { width: 24px; height: 24px; }

.feature-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── ORCHESTRATION SECTION ── */
.orchestration-section {
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) var(--space-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.orchestration-flow {
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.flow-node {
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-cyan);
  background: var(--glass-item);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: all var(--transition-fast);
}

.flow-node:hover { border-color: var(--mareel-cyan); }

.flow-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--mareel-cyan);
}

.flow-detail {
  font-size: 10px;
  color: var(--text-muted);
}

.flow-connector {
  width: 2px;
  height: 24px;
  background: linear-gradient(180deg, var(--mareel-cyan) 0%, transparent 100%);
}

.flow-models {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  padding: var(--space-md) 0;
}

.flow-model-node {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-gold);
  background: rgba(212, 168, 85, 0.06);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--mareel-gold);
  transition: all var(--transition-fast);
}

.flow-model-node:hover {
  background: rgba(212, 168, 85, 0.12);
  border-color: var(--mareel-gold);
}

.moe-node { border-color: var(--mareel-gold); }
.moe-node .flow-label { color: var(--mareel-gold); }

/* ── CTA SECTION ── */
.cta-section {
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

.cta-content {
  text-align: center;
  padding: var(--space-3xl);
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.cta-desc {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto var(--space-xl);
  line-height: 1.6;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ── FOOTER ── */
.mareel-footer {
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--border-cyan);
  background: var(--glass-void);
  backdrop-filter: blur(16px);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  height: 40px;
  margin-bottom: var(--space-md);
}

.footer-tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.footer-powered {
  font-size: 12px;
  color: var(--text-ghost);
}

.footer-powered a { color: var(--mareel-gold); }

.footer-links {
  display: flex;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--mareel-gold);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.footer-col a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-col a:hover { color: var(--mareel-cyan); }

.footer-bottom {
  max-width: 1200px;
  margin: var(--space-2xl) auto 0;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 12px;
  color: var(--text-ghost);
}

.footer-legal {
  display: flex;
  gap: var(--space-sm);
}

.footer-legal a { color: var(--text-muted); }
.footer-legal a:hover { color: var(--mareel-cyan); }

/* ── CHAT PAGE STYLES ── */
.chat-page {
  display: flex;
  height: calc(100vh - 64px);
  position: relative;
  z-index: 1;
}

/* Model Selector Panel */
.model-panel {
  width: 260px;
  background: var(--glass-void);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border-cyan);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  overflow-y: auto;
}

.model-panel-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mareel-gold);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-subtle);
}

.model-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.model-item:hover { border-color: var(--border-cyan); background: var(--glass-item); }
.model-item.selected { border-color: var(--mareel-cyan); background: rgba(0, 212, 255, 0.08); }
.model-item.selected .model-item-dot { background: var(--mareel-cyan); box-shadow: 0 0 8px var(--mareel-cyan); }

.model-item-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
}

.model-item-info { flex: 1; }

.model-item-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.model-item-provider {
  font-size: 10px;
  color: var(--text-muted);
}

.model-item-status {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--green-ok);
}

.model-item-status.offline { color: var(--red-alert); }
.model-item-status.loading { color: var(--amber-warm); }

/* Chat Main Area */
.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  scroll-behavior: smooth;
}

/* Chat Welcome */
.chat-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  padding: var(--space-2xl);
}

.chat-welcome-logo { width: 120px; margin-bottom: var(--space-lg); }

.chat-welcome-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--mareel-cyan) 0%, var(--mareel-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
}

.chat-welcome-sub {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 500px;
  margin-bottom: var(--space-xl);
}

.chat-suggestions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  width: 100%;
  max-width: 600px;
}

.chat-suggestion {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--glass-item);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  text-align: left;
}

.chat-suggestion:hover {
  border-color: var(--border-cyan);
  background: var(--glass-hover);
  color: var(--text-primary);
}

/* Messages */
.message {
  display: flex;
  gap: var(--space-md);
  max-width: 85%;
  animation: msgFadeIn 0.3s ease;
}

@keyframes msgFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.message-user { align-self: flex-end; flex-direction: row-reverse; }
.message-ai { align-self: flex-start; }

.message-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
}

.message-user .message-avatar {
  background: linear-gradient(135deg, var(--mareel-gold) 0%, var(--mareel-gold-dim) 100%);
  color: var(--mareel-ocean);
}

.message-ai .message-avatar {
  background: linear-gradient(135deg, var(--mareel-cyan) 0%, var(--mareel-cyan-dim) 100%);
  color: var(--mareel-ocean);
}

.message-body { flex: 1; }

.message-content {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  line-height: 1.7;
  font-size: 14px;
}

.message-user .message-content {
  background: linear-gradient(135deg, var(--mareel-cyan) 0%, var(--mareel-cyan-dim) 100%);
  color: var(--mareel-ocean);
  border-bottom-right-radius: var(--radius-sm);
}

.message-ai .message-content {
  background: var(--glass-panel);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  border-bottom-left-radius: var(--radius-sm);
}

.message-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
  font-size: 10px;
  color: var(--text-ghost);
}

.message-model {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--mareel-gold);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: rgba(212, 168, 85, 0.1);
  border: 1px solid rgba(212, 168, 85, 0.2);
}

/* Reasoning Panel */
.reasoning-panel {
  width: 320px;
  background: var(--glass-void);
  backdrop-filter: blur(20px);
  border-left: 1px solid var(--border-cyan);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.reasoning-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--violet-qenc);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: var(--space-md);
}

.reasoning-step {
  padding: var(--space-sm) var(--space-md);
  border-left: 2px solid var(--border-cyan);
  margin-bottom: var(--space-md);
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.reasoning-step.active { border-left-color: var(--mareel-cyan); }

.reasoning-step-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--mareel-cyan);
  margin-bottom: var(--space-xs);
}

.reasoning-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  color: var(--text-ghost);
  font-size: 12px;
}

/* Chat Input */
.chat-input-area {
  padding: var(--space-md) var(--space-xl);
  border-top: 1px solid var(--border-subtle);
  background: var(--glass-void);
  backdrop-filter: blur(16px);
}

.chat-input-container {
  display: flex;
  align-items: flex-end;
  gap: var(--space-sm);
  background: var(--glass-panel);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: var(--space-sm);
  transition: all var(--transition-fast);
}

.chat-input-container:focus-within {
  border-color: var(--mareel-cyan);
  box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.15);
}

.chat-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.5;
  padding: var(--space-sm) var(--space-md);
  resize: none;
  max-height: 150px;
  min-height: 24px;
}

.chat-input:focus { outline: none; }
.chat-input::placeholder { color: var(--text-ghost); }

.chat-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-btn:hover { color: var(--mareel-cyan); background: rgba(0, 212, 255, 0.08); }
.chat-btn.recording { color: var(--red-alert); animation: statusPulse 1.5s infinite; }

.chat-send-btn {
  background: linear-gradient(135deg, var(--mareel-cyan) 0%, var(--mareel-cyan-dim) 100%);
  color: var(--mareel-ocean);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 12px;
  transition: all var(--transition-fast);
}

.chat-send-btn:hover { box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3); }
.chat-send-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.chat-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
  font-size: 11px;
  color: var(--text-ghost);
}

.chat-toolbar span { margin-left: auto; }

.ar-toggle, .reasoning-toggle-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ar-toggle:hover, .reasoning-toggle-btn:hover { border-color: var(--border-cyan); color: var(--text-secondary); }
.ar-toggle.active, .reasoning-toggle-btn.active { border-color: var(--mareel-cyan); color: var(--mareel-cyan); background: rgba(0, 212, 255, 0.06); }

/* Thinking Indicator */
.thinking-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--glass-panel);
  border: 1px solid var(--border-subtle);
  align-self: flex-start;
}

.thinking-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mareel-cyan);
  animation: thinkPulse 1.4s infinite;
}

.thinking-dot:nth-child(2) { animation-delay: 0.2s; background: var(--mareel-gold); }
.thinking-dot:nth-child(3) { animation-delay: 0.4s; background: var(--violet-qenc); }

@keyframes thinkPulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.3); }
}

.thinking-text {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

/* ── CONTENT PAGES ── */
.page-container {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
}

.page-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 600;
  letter-spacing: 0.06em;
  background: linear-gradient(135deg, var(--mareel-cyan) 0%, var(--mareel-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
}

.page-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

.content-section {
  margin-bottom: var(--space-3xl);
}

.content-section h2 {
  font-family: var(--font-ui);
  font-size: 22px;
  font-weight: 600;
  color: var(--mareel-gold);
  margin-bottom: var(--space-md);
}

.content-section h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.content-section p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.content-card {
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

/* ── PRICING ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.pricing-card {
  padding: var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pricing-card.featured {
  border-color: var(--mareel-gold);
  box-shadow: 0 8px 32px rgba(212, 168, 85, 0.2);
}

.pricing-card.featured::before {
  content: 'RECOMMENDED';
  position: absolute;
  top: 16px; right: -28px;
  background: var(--mareel-gold);
  color: var(--mareel-ocean);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 1.5px;
  padding: 4px 40px;
  transform: rotate(45deg);
}

.pricing-tier {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mareel-cyan);
  margin-bottom: var(--space-md);
}

.pricing-price {
  font-size: 40px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.pricing-price span {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-period {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: var(--space-xl);
}

.pricing-features li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.pricing-features li::before {
  content: '✓';
  color: var(--green-ok);
  font-weight: 700;
}

.pricing-btn {
  width: 100%;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .model-panel { display: none; }
  .reasoning-panel { display: none; }
}

@media (max-width: 768px) {
  .acai-consciousness-bar {
    padding: 0 var(--space-md);
  }

  .nav-links { display: none; }
  .nav-controls .consciousness-chip { display: none; }
  .nav-controls .nav-cta { display: none; }
  .mobile-menu-btn { display: flex; }

  .hero-section { min-height: 70vh; padding: var(--space-2xl) var(--space-md); }
  .hero-actions { flex-direction: column; align-items: center; }

  .features-grid { grid-template-columns: 1fr; }
  .chat-suggestions { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }

  .footer-content { flex-direction: column; }
  .footer-links { flex-direction: column; gap: var(--space-lg); }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-stagger .hero-word { font-size: 28px; }
  .brand-logo { height: 28px; }
  .brand-info { display: none; }
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  .consciousness-orb,
  .hero-word,
  .status-dot,
  .thinking-dot,
  .model-dot.active {
    animation: none !important;
    transition: none !important;
  }
  .hero-word { opacity: 1; transform: none; }
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0, 212, 255, 0.15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0, 212, 255, 0.3); }

/* ── HERO STATS ── */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  flex-wrap: wrap;
}

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

.stat-value {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--mareel-gold);
  letter-spacing: -0.02em;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── 8-LAYER ARCHITECTURE ── */
.architecture-section {
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

.layers-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.layer-item {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-md) var(--space-xl);
  transition: all var(--transition-base);
  cursor: default;
}

.layer-item:hover {
  background: var(--glass-hover);
  border-color: var(--border-cyan-bright);
  transform: translateX(4px);
}

.layer-number {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--mareel-gold);
  min-width: 40px;
  text-align: center;
}

.layer-info { flex: 1; }

.layer-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.layer-systems {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

/* ── SYSTEMS GRID ── */
.systems-section {
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-sm);
}

.system-card {
  padding: var(--space-md);
  text-align: center;
  transition: all var(--transition-fast);
  cursor: default;
}

.system-card:hover {
  background: var(--glass-hover);
  border-color: var(--mareel-gold);
  transform: translateY(-2px);
}

.system-name {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--mareel-cyan);
  margin-bottom: 4px;
}

.system-desc {
  font-size: 10px;
  color: var(--text-muted);
}