:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #161f31;
  --fg-primary: #e8ecf4;
  --fg-secondary: #8892a8;
  --fg-muted: #4a5568;
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --accent-bright: #60a5fa;
  --border: #1e293b;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
}

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

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

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.nav-icon {
  color: var(--accent);
  font-size: 1.3rem;
}
.nav-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 32px 80px;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(59, 130, 246, 0.25);
  padding: 6px 16px;
  border-radius: 4px;
  margin-bottom: 32px;
}
.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.hero-accent {
  color: var(--accent-bright);
}
.hero-lede {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--fg-secondary);
  max-width: 680px;
  line-height: 1.7;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  gap: 0;
  align-items: center;
  flex-wrap: wrap;
}
.stat {
  padding: 0 32px;
}
.stat:first-child { padding-left: 0; }
.stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
  color: var(--fg-primary);
  letter-spacing: -0.02em;
}
.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 4px;
  max-width: 180px;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 30% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 30% 50%, black 20%, transparent 70%);
}

/* PROBLEM */
.problem {
  padding: 120px 32px;
  background: var(--bg-secondary);
}
.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.problem-title {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin-bottom: 56px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
}
.problem-icon {
  color: #ef4444;
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.problem-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.problem-card p {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.7;
}

/* FEATURES */
.features {
  padding: 120px 32px;
}
.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.features-title {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin-bottom: 64px;
}
.features-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.feature-row {
  display: grid;
  grid-template-columns: 80px 1fr 100px;
  gap: 24px;
  align-items: start;
  padding: 40px 0;
  border-top: 1px solid var(--border);
}
.feature-row:last-child {
  border-bottom: 1px solid var(--border);
}
.feature-number {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--fg-muted);
  padding-top: 4px;
}
.feature-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.feature-content p {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.7;
  max-width: 580px;
}
.feature-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-align: right;
  padding-top: 6px;
}

/* COMPLIANCE / HOW */
.how {
  padding: 120px 32px;
  background: var(--bg-secondary);
}
.how-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.how-title {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.compliance-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  text-align: center;
}
.compliance-code {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--accent-bright);
  margin-bottom: 12px;
}
.compliance-desc {
  font-size: 0.85rem;
  color: var(--fg-secondary);
  line-height: 1.5;
}

/* CLOSING */
.closing {
  padding: 140px 32px;
  text-align: center;
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}
.closing-line {
  width: 60px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 48px;
}
.closing-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.closing-text {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  line-height: 1.7;
}

/* FOOTER */
.footer {
  padding: 48px 32px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
}
.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
}
.footer-copy {
  font-size: 0.75rem;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { padding: 100px 20px 60px; min-height: auto; }
  .hero-stats { flex-direction: column; gap: 24px; align-items: flex-start; }
  .stat { padding: 0; }
  .stat-divider { width: 40px; height: 1px; }
  .problem { padding: 80px 20px; }
  .problem-grid { grid-template-columns: 1fr; }
  .features { padding: 80px 20px; }
  .feature-row { grid-template-columns: 1fr; gap: 8px; }
  .feature-number { display: none; }
  .feature-tag { text-align: left; }
  .how { padding: 80px 20px; }
  .compliance-grid { grid-template-columns: repeat(2, 1fr); }
  .closing { padding: 80px 20px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .nav-tag { display: none; }
}