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

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #1e2d3d;
  --amber: #f0a500;
  --steel: #1e3a5f;
  --text: #e6edf3;
  --muted: #7d8590;
  --dispatch: #2ea043;
  --maint: #f0a500;
  --crew: #58a6ff;
  --fuel: #bc8cff;
}

html { font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--amber);
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 300;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 80px 48px 64px;
  min-height: 580px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--amber);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 3.2rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 440px;
  line-height: 1.7;
}
.hero-right {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}
.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--dispatch);
  margin-bottom: 24px;
  font-weight: 500;
}
.status-dot {
  width: 8px;
  height: 8px;
  background: var(--dispatch);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--dispatch);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.ops-readout {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 28px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.readout-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.readout-row:last-child { border-bottom: none; }
.readout-label {
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  font-weight: 600;
}
.readout-val {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}
.readout-val.amber { color: var(--amber); }
.agent-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.agent-item {
  display: flex;
  align-items: center;
  gap: 10px;
}
.agent-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
}
.agent-dot.active {
  background: var(--dispatch);
  box-shadow: 0 0 4px var(--dispatch);
}
.agent-name {
  font-size: 0.8rem;
  color: var(--text);
  font-weight: 500;
  flex: 1;
  font-family: 'IBM Plex Mono', monospace;
}
.agent-status {
  font-size: 0.7rem;
  color: var(--dispatch);
  font-weight: 500;
}

/* OPS PANEL SECTION */
.ops-panel-section {
  padding: 0 48px 64px;
}
.ops-panel-label {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 16px;
}
.ops-feed {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.feed-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.feed-item:last-child { border-bottom: none; }
.feed-time {
  font-size: 0.7rem;
  color: var(--muted);
  font-family: 'IBM Plex Mono', monospace;
  flex-shrink: 0;
}
.feed-tag {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}
.feed-tag.dispatch { background: rgba(46,160,67,0.15); color: var(--dispatch); }
.feed-tag.maint { background: rgba(240,165,0,0.15); color: var(--maint); }
.feed-tag.crew { background: rgba(88,166,255,0.15); color: var(--crew); }
.feed-tag.fuel { background: rgba(188,140,255,0.15); color: var(--fuel); }
.feed-msg {
  font-size: 0.82rem;
  color: var(--text);
  line-height: 1.4;
}

/* FEATURES */
.features {
  padding: 64px 48px;
  border-top: 1px solid var(--border);
}
.features-header {
  margin-bottom: 48px;
}
.features-eyebrow {
  font-size: 0.7rem;
  color: var(--amber);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 12px;
}
.features-title {
  font-family: 'Syne', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.feature-card {
  background: var(--surface);
  padding: 32px 28px;
  border: 1px solid var(--border);
  border-radius: 0;
}
.feature-card:first-child { border-radius: 8px 0 0 8px; }
.feature-card:last-child { border-radius: 0 8px 8px 0; }
.feature-icon {
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.feature-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  margin-bottom: 12px;
}
.feature-desc {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 16px;
}
.feature-detail {
  font-size: 0.72rem;
  color: var(--steel);
  border-top: 1px solid var(--border);
  padding-top: 12px;
  font-family: 'IBM Plex Mono', monospace;
}

/* DEMO SECTION */
.demo-section {
  padding: 72px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.demo-header {
  margin-bottom: 40px;
}
.demo-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--dispatch);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.demo-live-dot {
  width: 8px;
  height: 8px;
  background: var(--dispatch);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--dispatch);
  animation: pulse 2s infinite;
}
.demo-title {
  font-family: 'Syne', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.demo-sub {
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 520px;
  line-height: 1.6;
}

/* Board */
.demo-board {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg);
}
.demo-board-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: rgba(30, 45, 61, 0.4);
  border-bottom: 1px solid var(--border);
}
.demo-board-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.demo-board-status-dot {
  width: 7px;
  height: 7px;
  background: var(--dispatch);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--dispatch);
  animation: pulse 2s infinite;
}
.demo-board-meta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.demo-refresh-indicator {
  font-size: 0.72rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.demo-refresh-spinner {
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 1.5px solid var(--border);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.demo-countdown {
  font-family: 'IBM Plex Mono', monospace;
  color: var(--amber);
  font-weight: 500;
}
.demo-board-tag {
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--dispatch);
  letter-spacing: 0.08em;
  background: rgba(46,160,67,0.12);
  padding: 3px 8px;
  border-radius: 3px;
}

.demo-board-body {
  display: grid;
  grid-template-columns: 1fr 340px;
  border-bottom: 1px solid var(--border);
}

/* Flight board preview */
.demo-flight-board {
  padding: 20px 20px 0;
  border-right: 1px solid var(--border);
}
.demo-board-section-label {
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 12px;
}
.demo-flights-wrap { overflow-x: auto; }
.demo-flights-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}
.demo-flights-table th {
  text-align: left;
  padding: 8px 12px;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
}
.demo-flights-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(30,45,61,0.5);
  color: var(--text);
}
.demo-flights-table tr:last-child td { border-bottom: none; }
.demo-row-warn { background: rgba(240,165,0,0.04); }
.td-d-callsign { font-family: 'IBM Plex Mono', monospace; font-weight: 500; color: var(--amber); }
.td-d-route { color: var(--muted); font-size: 0.75rem; }
.td-d-gate { font-family: 'IBM Plex Mono', monospace; font-size: 0.75rem; }
.td-d-time { font-family: 'IBM Plex Mono', monospace; font-size: 0.75rem; color: var(--muted); }

/* Badges */
.d-badge {
  display: inline-block;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border-radius: 3px;
}
.d-badge-ok { background: rgba(46,160,67,0.15); color: var(--dispatch); }
.d-badge-warn { background: rgba(240,165,0,0.15); color: var(--maint); }
.d-badge-neutral { background: rgba(125,133,144,0.12); color: var(--muted); }
.d-badge-crit { background: rgba(248,81,73,0.15); color: #f85149; }
.d-badge-pending { background: rgba(125,133,144,0.08); color: var(--muted); }
.d-badge-muted { background: rgba(125,133,144,0.1); color: var(--muted); }

/* Weather strip */
.demo-weather-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  margin: 16px 0 20px;
  background: rgba(240,165,0,0.06);
  border: 1px solid rgba(240,165,0,0.2);
  border-radius: 6px;
  font-size: 0.78rem;
}
.demo-weather-tag {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--maint);
  background: rgba(240,165,0,0.15);
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
  text-transform: uppercase;
}
.demo-weather-msg { color: var(--text); flex: 1; line-height: 1.4; }
.demo-weather-time {
  font-size: 0.68rem;
  color: var(--muted);
  font-family: 'IBM Plex Mono', monospace;
  flex-shrink: 0;
}

/* Live feed */
.demo-live-feed {
  padding: 20px;
  overflow-y: auto;
  max-height: 360px;
}
.demo-feed-items { display: flex; flex-direction: column; }
.demo-feed-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(30,45,61,0.4);
}
.demo-feed-item:last-child { border-bottom: none; }
.demo-feed-item--dim { opacity: 0.55; }
.df-time {
  font-size: 0.68rem;
  color: var(--muted);
  font-family: 'IBM Plex Mono', monospace;
  flex-shrink: 0;
}
.df-tag {
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  padding: 2px 5px;
  border-radius: 3px;
  flex-shrink: 0;
  text-transform: uppercase;
}
.df-tag-confirm { background: rgba(46,160,67,0.15); color: var(--dispatch); }
.df-tag-warn { background: rgba(240,165,0,0.15); color: var(--maint); }
.df-tag-crew { background: rgba(88,166,255,0.15); color: var(--crew); }
.df-tag-maint { background: rgba(240,165,0,0.12); color: var(--maint); }
.df-tag-fuel { background: rgba(188,140,255,0.15); color: var(--fuel); }
.df-tag-dispatch { background: rgba(46,160,67,0.12); color: var(--dispatch); }
.df-msg { font-size: 0.76rem; color: var(--text); line-height: 1.4; }

/* Capabilities strip */
.demo-capabilities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
}
.demo-cap {
  padding: 20px 24px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.demo-cap:last-child { border-right: none; }
.demo-cap-icon { margin-bottom: 4px; }
.demo-cap-label {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
}
.demo-cap-desc { font-size: 0.75rem; color: var(--muted); line-height: 1.4; }

/* CTA bar */
.demo-cta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-top: 1px solid var(--border);
  background: rgba(30,45,61,0.2);
}
.demo-cta-text { display: flex; flex-direction: column; gap: 4px; }
.demo-cta-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}
.demo-cta-sub { font-size: 0.82rem; color: var(--muted); }
.demo-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  background: var(--amber);
  color: #0d1117;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 6px;
  text-decoration: none;
  transition: opacity 0.15s;
  letter-spacing: -0.01em;
}
.demo-cta-btn:hover { opacity: 0.85; }

/* MANIFESTO */
.manifesto {
  padding: 72px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.manifesto-inner {
  max-width: 720px;
}
.manifesto-quote {
  font-family: 'Syne', sans-serif;
  font-size: 1.45rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.5;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.manifesto-byline {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
}

/* CLOSING */
.closing {
  padding: 72px 48px 80px;
  text-align: center;
}
.closing-headline {
  font-family: 'Syne', sans-serif;
  font-size: 2.8rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}
.closing-sub {
  font-size: 1rem;
  color: var(--muted);
}

/* FOOTER */
.footer {
  padding: 24px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
}
.footer-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  color: var(--amber);
}
.footer-sep { color: var(--border); }
.footer-desc { color: var(--muted); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .hero {
    grid-template-columns: 1fr;
    padding: 48px 24px 40px;
    gap: 40px;
  }
  .hero-headline { font-size: 2.2rem; }
  .ops-panel-section { padding: 0 24px 48px; }
  .features { padding: 48px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card:first-child { border-radius: 8px 8px 0 0; }
  .feature-card:last-child { border-radius: 0 0 8px 8px; }
  .manifesto { padding: 48px 24px; }
  .manifesto-quote { font-size: 1.15rem; }
  .closing { padding: 48px 24px 64px; }
  .closing-headline { font-size: 2rem; }
  .footer { padding: 20px 24px; }
}
@media (max-width: 480px) {
  .hero-headline { font-size: 1.8rem; }
  .features-title { font-size: 1.8rem; }
  .closing-headline { font-size: 1.8rem; }
}