:root {
  --bg: #0d0d0d;
  --surface: #141414;
  --surface-2: #1c1c1c;
  --border: #2a2a2a;
  --fg: #f5f5f5;
  --fg-muted: #888888;
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --mono: 'DM Mono', monospace;
  --sans: 'Inter', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(13,13,13,0.85);
  backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}

/* Hero */
.hero {
  padding: 160px 32px 100px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}

.eyebrow-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-size: clamp(32px, 5.5vw, 64px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 800px;
  margin-bottom: 28px;
  color: var(--fg);
}

.hero-lede {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--fg-muted);
  max-width: 580px;
  line-height: 1.65;
  margin-bottom: 64px;
}

.hero-metric {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  width: fit-content;
}

.metric-block {
  padding: 28px 40px;
}

.metric-value {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--accent);
  margin-bottom: 4px;
}

.metric-label {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.4;
  max-width: 160px;
}

.metric-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
  flex-shrink: 0;
}

/* How it works */
.how-it-works {
  padding: 100px 32px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.section-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-headline {
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.2;
  max-width: 640px;
  margin-bottom: 72px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.step {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  background: var(--surface);
}

.step-number {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.step p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* Features */
.features {
  padding: 100px 32px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.feature-card {
  padding: 36px 32px;
  background: var(--surface);
}

.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: 10px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* Closing */
.closing {
  padding: 120px 32px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.closing-headline {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 780px;
  margin-bottom: 32px;
}

.closing-body {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 680px;
  line-height: 1.75;
}

/* Footer */
.footer {
  padding: 48px 32px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--fg-muted);
  flex: 1;
}

.footer-legal {
  font-size: 13px;
  color: var(--fg-muted);
}

.footer-legal a {
  color: var(--fg-muted);
  text-decoration: none;
}

.footer-legal a:hover {
  color: var(--fg);
}

/* Responsive */
@media (max-width: 900px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-metric {
    flex-direction: column;
    width: 100%;
  }
  .metric-divider {
    width: 100%;
    height: 1px;
  }
  .metric-block {
    width: 100%;
    padding: 20px 28px;
  }
}

@media (max-width: 600px) {
  .hero { padding: 120px 24px 80px; }
  .how-it-works, .features, .closing { padding: 80px 24px; }
  .steps { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .section-headline { margin-bottom: 48px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
}