:root {
  --bg-dark: #090d16;
  --bg-card: #111827;
  --bg-card-hover: #172238;
  --border-color: #1f293d;
  --primary: #3b82f6;
  --primary-glow: rgba(59, 130, 246, 0.4);
  --accent: #10b981;
  --text-main: #f3f4f6;
  --text-muted: #94a3b8;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 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;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: 1.1rem;
}

.brand strong {
  color: var(--primary);
}

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

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
  background: #1e293b;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: #27354f;
  border-color: #3b82f6;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
}

/* Hero */
.hero-section {
  padding: 96px 0 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(9, 13, 22, 0) 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #60a5fa;
  margin-bottom: 24px;
}

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

.hero-title {
  font-size: 3.25rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #93c5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtext {
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 36px;
}

.hero-cta-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 36px;
  padding: 24px;
  background: rgba(17, 24, 39, 0.7);
  border: 1px solid var(--border-color);
  border-radius: 16px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: #fff;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

/* Features */
.features-section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary);
  display: block;
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.25rem;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-description {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 28px;
  transition: all 0.2s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
}

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

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Architecture / Terminal */
.architecture-section {
  padding: 80px 0;
}

.code-terminal {
  max-width: 800px;
  margin: 0 auto;
  background: #0d111a;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.terminal-header {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: #141b29;
  border-bottom: 1px solid var(--border-color);
}

.terminal-buttons {
  display: flex;
  gap: 6px;
}

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

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

.terminal-title {
  margin: 0 auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-x: auto;
}

.c-comment { color: #64748b; }
.c-key { color: #60a5fa; }
.c-str { color: #34d399; }

/* Status */
.status-section {
  padding: 60px 0;
}

.status-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
}

.status-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.status-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-dot-pulse {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent);
}

.status-tag {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.status-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.metric {
  background: rgba(15, 23, 42, 0.6);
  padding: 16px 20px;
  border-radius: 10px;
  border: 1px solid #1e293b;
}

.metric-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.metric-val {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
}

/* CTA */
.cta-section {
  padding: 80px 0;
}

.cta-container {
  background: linear-gradient(135deg, #131b2e 0%, #1e2942 100%);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 20px;
  padding: 56px 32px;
  text-align: center;
  max-width: 820px;
}

.cta-container h2 {
  font-size: 2.25rem;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cta-container p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.cta-form {
  display: flex;
  justify-content: center;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.input-email {
  flex: 1;
  padding: 12px 18px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: #0b1120;
  color: #fff;
  font-size: 0.95rem;
}

.input-email:focus {
  outline: none;
  border-color: var(--primary);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 4px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

@media (max-width: 768px) {
  .hero-title { font-size: 2.25rem; }
  .hero-cta-group { flex-direction: column; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { display: none; }
  .nav-links { display: none; }
  .cta-form { flex-direction: column; }
}