/* ==========================================================================
   FLEET AI - SIMULATED WORLDS FOR ARTIFICIAL INTELLIGENCE (EXACT REPLICA)
   Design System: Pure Black (#000000), Serif + Inter + Monospace Typography,
                  Etymology Definition Card, Status Indicator, Ultra-Minimalist
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&family=Playfair+Display:ital,wght@0,400;0,500;1,400&display=swap');

:root {
  --bg-black: #000000;
  --bg-card: #0a0a0a;
  --stroke: rgba(255, 255, 255, 0.12);
  --stroke-hover: rgba(255, 255, 255, 0.3);

  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.65);
  --text-muted: rgba(255, 255, 255, 0.4);

  --green-status: #10b981;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-black);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
  background: var(--bg-black);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* Layout Wrappers */
.wrap-container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Top Navbar */
.navbar-fleet {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--stroke);
}

.brand-logo-fleet {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.status-indicator-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--stroke);
  padding: 5px 14px;
  border-radius: 9999px;
  transition: all 0.2s ease;
}

.status-indicator-badge:hover {
  border-color: var(--stroke-hover);
  color: var(--text-primary);
}

.status-dot-green {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-status);
  box-shadow: 0 0 8px var(--green-status);
}

.nav-menu-fleet {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link-fleet {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color 0.15s ease;
}

.nav-link-fleet:hover, .nav-link-fleet.active {
  color: var(--text-primary);
}

/* Hero Section */
.hero-fleet {
  padding: 160px 0 80px;
  min-height: calc(100vh - 72px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-statement-text {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.15;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  max-width: 860px;
  margin-bottom: 64px;
}

/* Etymology Definition Card */
.etymology-card {
  background: var(--bg-card);
  border: 1px solid var(--stroke);
  border-radius: 12px;
  padding: 36px;
  max-width: 680px;
  margin-bottom: 64px;
}

.etymology-word {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.etymology-def {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.etymology-def strong {
  color: var(--text-primary);
  font-weight: 500;
}

.etymology-see {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--stroke);
}

.etymology-see a {
  color: var(--text-secondary);
  text-decoration: underline;
}

.etymology-see a:hover {
  color: var(--text-primary);
}

/* Interactive Agent Sandbox */
.agent-sandbox-card {
  background: var(--bg-card);
  border: 1px solid var(--stroke);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 64px;
}

.sandbox-header {
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--stroke);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.sandbox-stream {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: #cbd5e1;
}

/* Footer Section */
footer.footer-fleet {
  padding: 64px 0;
  border-top: 1px solid var(--stroke);
}

.footer-grid-fleet {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-links-list a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  transition: color 0.15s ease;
}

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

.footer-bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-top: 24px;
  border-top: 1px solid var(--stroke);
}

/* Responsive */
@media (max-width: 768px) {
  .footer-grid-fleet { grid-template-columns: 1fr; }
  .navbar-fleet { padding: 0 20px; }
  .hero-fleet { padding-top: 120px; }
}