:root {
  --bg: #0b1220;
  --bg-soft: #121b2e;
  --card: #16213a;
  --border: #22304d;
  --text: #e8edf5;
  --text-dim: #9fb0c9;
  --accent: #0091ff;
  --accent-2: #00c9a7;
  --danger: #ff5c5c;
  --success: #2ecc71;
  --radius: 14px;
  --maxw: 1100px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

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

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
}

.brand .bolt {
  color: var(--accent);
  font-size: 1.3rem;
}

.brand small {
  display: block;
  font-weight: 400;
  color: var(--text-dim);
  font-size: 0.72rem;
}

.nav-links {
  display: flex;
  gap: 22px;
  font-size: 0.92rem;
  color: var(--text-dim);
}
.nav-links a:hover { color: var(--text); }

/* Hero */
.hero {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin: 0 0 14px;
}

.hero p {
  color: var(--text-dim);
  max-width: 640px;
  font-size: 1.05rem;
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 145, 255, 0.12);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 18px;
}

/* Demo grid */
.section-title {
  margin: 56px 0 22px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.section-title h2 { margin: 0; font-size: 1.3rem; }
.section-title span { color: var(--text-dim); font-size: 0.88rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 18px;
  margin-bottom: 60px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.card .icon { font-size: 1.6rem; }

.card h3 {
  margin: 0;
  font-size: 1.05rem;
}

.card p {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin: 0;
  flex-grow: 1;
}

.status {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
}
.status.live { background: rgba(46, 204, 113, 0.15); color: var(--success); }
.status.soon { background: rgba(159, 176, 201, 0.15); color: var(--text-dim); }

.card.live {
  cursor: pointer;
  border-color: rgba(0, 145, 255, 0.35);
}
.card.live:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}
.card.soon { opacity: 0.55; }

.card-cta {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
}

/* Generic content sections used by demo pages */
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 22px;
}

.panel h2 { margin-top: 0; }

.callout {
  border-left: 3px solid var(--accent);
  background: rgba(0, 145, 255, 0.08);
  padding: 14px 18px;
  border-radius: 0 10px 10px 0;
  font-size: 0.92rem;
  color: var(--text-dim);
  margin: 18px 0;
}

.callout.warn {
  border-left-color: var(--danger);
  background: rgba(255, 92, 92, 0.08);
}
.callout.ok {
  border-left-color: var(--success);
  background: rgba(46, 204, 113, 0.08);
}

code, pre {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.85rem;
}
pre {
  background: #0a1120;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin: 24px 0 8px;
}
.breadcrumb a { color: var(--accent); }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
}
.btn:hover { background: #0079d6; }
.btn.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 720px) {
  .two-col { grid-template-columns: 1fr; }
}

.scenario-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--bg-soft);
}
.scenario-card h4 {
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.scenario-card .path {
  display: block;
  background: #0a1120;
  border: 1px solid var(--border);
  padding: 8px 10px;
  border-radius: 8px;
  margin: 8px 0;
  font-size: 0.82rem;
  word-break: break-all;
}

.demo-banner {
  padding: 16px 20px;
  border-radius: 12px;
  font-weight: 600;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.demo-banner.old {
  background: rgba(255, 92, 92, 0.12);
  color: #ff8a8a;
  border: 1px dashed rgba(255, 92, 92, 0.4);
}
.demo-banner.new {
  background: rgba(46, 204, 113, 0.12);
  color: #7be6a5;
  border: 1px solid rgba(46, 204, 113, 0.4);
}

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 30px 0 50px;
  color: var(--text-dim);
  font-size: 0.85rem;
}