:root {
  --bg: #0a0a0c;
  --bg-secondary: #111114;
  --surface: #18181c;
  --border: #27272a;
  --fg: #fafafa;
  --fg-muted: #a1a1aa;
  --fg-subtle: #71717a;
  --accent: #FF6B00;
  --accent-hover: #FF8533;
  --accent-dim: rgba(255, 107, 0, 0.12);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 12, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--fg-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(255, 107, 0, 0.08) 0%, transparent 70%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 107, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 107, 0, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}
.hero-content {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
  letter-spacing: 0.03em;
  margin-bottom: 36px;
}
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.hero-headline br { display: none; }
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 52px;
  line-height: 1.7;
  font-weight: 400;
}
.hero-metrics {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 0;
  width: fit-content;
  margin: 0 auto;
}
.metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 0 40px;
}
.metric-value {
  font-family: 'Syne', sans-serif;
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
}
.metric-label {
  font-size: 12px;
  color: var(--fg-subtle);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.metric-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* Features */
.features {
  padding: 100px 24px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.features-header {
  text-align: center;
  margin-bottom: 72px;
}
.features-header h2 {
  font-family: 'Syne', sans-serif;
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.features-header p {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 480px;
  margin: 0 auto;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}
.features-cta {
  margin-top: 60px;
  text-align: center;
}
.cta-block {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
}
.cta-label {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.cta-text {
  font-size: 15px;
  color: var(--fg-muted);
}

/* Closing */
.closing {
  padding: 120px 24px;
  overflow: hidden;
}
.closing-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.closing-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  margin-bottom: 28px;
}
.closing-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
}
.closing-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.forge-ring {
  position: relative;
  width: 280px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ring-inner {
  width: 200px;
  height: 200px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 40px rgba(255, 107, 0, 0.2), inset 0 0 40px rgba(255, 107, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
}
.ring-inner::before {
  content: '';
  width: 80px;
  height: 80px;
  background: var(--accent-dim);
  border-radius: 50%;
  box-shadow: 0 0 30px rgba(255, 107, 0, 0.15);
}
.ring-glow {
  position: absolute;
  inset: -20px;
  border: 1px solid rgba(255, 107, 0, 0.1);
  border-radius: 50%;
  animation: rotate 20s linear infinite;
}
.ring-glow::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
}
@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 24px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 16px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--fg-subtle);
}
.footer-meta {
  font-size: 12px;
  color: var(--fg-subtle);
  font-family: monospace;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-headline br { display: block; }
  .hero-metrics {
    flex-direction: column;
    width: 100%;
    gap: 20px;
  }
  .metric-divider { width: 60px; height: 1px; }
  .features-grid { grid-template-columns: 1fr; gap: 16px; }
  .closing-inner { grid-template-columns: 1fr; gap: 48px; }
  .closing-visual { order: -1; }
  .forge-ring { width: 180px; height: 180px; }
  .ring-inner { width: 120px; height: 120px; }
  .ring-inner::before { width: 48px; height: 48px; }
}
@media (max-width: 480px) {
  .hero { padding: 100px 20px 60px; }
  .features { padding: 72px 20px; }
  .closing { padding: 80px 20px; }
  .feature-card { padding: 24px; }
  .features-header h2 { font-size: 36px; }
  .closing-headline { font-size: 32px; }
}