:root {
  --bg-dark: #07090e;
  --bg-card: #0d121f;
  --bg-card-hover: #12192c;
  --bg-elevated: #161f36;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border: #1e293b;
  --border-highlight: #334155;
  --primary: #38bdf8;
  --primary-glow: rgba(56, 189, 248, 0.2);
  --accent: #818cf8;
  --accent-purple: #a855f7;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo-glyph {
  color: var(--primary);
  font-size: 1.5rem;
  line-height: 1;
}

.badge {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 3px 8px;
  border-radius: 9999px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-preprod {
  background: rgba(56, 189, 248, 0.15);
  color: var(--primary);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

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

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text-main);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.85rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #040812;
  border: none;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(56, 189, 248, 0.35);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-highlight);
}

.btn-secondary:hover {
  background: var(--bg-elevated);
  border-color: var(--primary);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Hero Section */
.hero-section {
  padding: 90px 0 60px;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 9999px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  font-size: 0.85rem;
  color: var(--success);
  margin-bottom: 28px;
  font-family: var(--font-mono);
}

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

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 20%, var(--accent) 50%, var(--accent-purple) 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 36px;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 48px;
}

/* Quick Terminal */
.quick-terminal {
  max-width: 760px;
  margin: 0 auto;
  background: #000000;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
  text-align: left;
}

.terminal-bar {
  background: #0f172a;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}

.term-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.term-title {
  margin-left: 8px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
}

.terminal-body {
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.terminal-body .prompt {
  color: var(--primary);
  font-weight: 700;
}

.terminal-body .command {
  color: #38bdf8;
  word-break: break-all;
  flex: 1;
}

.copy-btn {
  background: #1e293b;
  border: 1px solid var(--border-highlight);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.copy-btn:hover {
  background: var(--primary);
  color: #000;
}

/* Status Banner */
.status-banner {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: #090d16;
  padding: 24px 0;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.status-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.status-label {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.status-val {
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.status-val.online {
  color: var(--success);
}

.status-val.active {
  color: var(--primary);
}

/* Sections */
.section {
  padding: 90px 0;
}

.section-dark {
  background: #05070b;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtext {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Comparison Grid */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
  position: relative;
}

.card-warning {
  border-color: rgba(239, 68, 68, 0.3);
}

.card-highlight {
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 8px 30px rgba(56, 189, 248, 0.05);
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.card-warning .card-icon {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

.card-highlight .card-icon {
  background: rgba(56, 189, 248, 0.15);
  color: var(--primary);
}

.card h3 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card li {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.card li strong {
  color: var(--text-main);
}

/* Pillars Grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.pillar-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.pillar-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
}

.pillar-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  font-weight: 700;
}

.pillar-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 20px;
}

.code-preview {
  background: #000;
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary);
}

/* Tabbed Terminal */
.tabbed-terminal {
  max-width: 900px;
  margin: 0 auto;
  background: #000000;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.tab-header {
  display: flex;
  background: #0f172a;
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 12px 24px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: rgba(56, 189, 248, 0.05);
}

.tab-content {
  display: none;
  padding: 24px;
}

.tab-content.active {
  display: block;
}

.tab-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.tab-content pre {
  background: #07090e;
  padding: 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
}

.c-comment {
  color: #64748b;
}

/* Support Grid */
.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.support-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
}

.support-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.support-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.support-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.support-card pre {
  background: #000;
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary);
  overflow-x: auto;
}

/* Telemetry Panel */
.telemetry-panel {
  max-width: 960px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.telemetry-header {
  background: #0f172a;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.pulse-indicator {
  color: var(--success);
  font-weight: 600;
}

.telemetry-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 24px;
  border-bottom: 1px solid var(--border);
}

.metric-box {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.m-label {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
}

.m-val {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.m-val.highlight {
  color: var(--primary);
}

.telemetry-log {
  padding: 20px 24px;
  background: #05070b;
}

.log-title {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  margin-bottom: 12px;
}

.log-body {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.log-entry {
  color: var(--text-muted);
}

.log-time {
  color: #475569;
}

.log-ok {
  color: var(--success);
  font-weight: 600;
}

.log-info {
  color: var(--primary);
  font-weight: 600;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: #05070b;
  padding: 60px 0 40px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 48px;
}

.footer-left {
  max-width: 440px;
}

.footer-tagline {
  color: var(--text-muted);
  margin-top: 12px;
  font-size: 0.95rem;
}

.footer-license {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 12px;
}

.footer-license a {
  color: var(--primary);
  text-decoration: none;
}

.footer-right {
  display: flex;
  gap: 64px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  color: var(--text-main);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

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

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.4rem;
  }
  .comparison-grid, .support-grid {
    grid-template-columns: 1fr;
  }
  .telemetry-metrics {
    grid-template-columns: 1fr 1fr;
  }
  .footer-content {
    flex-direction: column;
  }
}