:root {
  --bg: #0b0f1a;
  --surface: #111827;
  --surface-2: #1a2235;
  --border: #1e2d40;
  --text: #e8edf5;
  --text-muted: #7a8fa6;
  --accent: #00e5c7;
  --accent-dim: rgba(0, 229, 199, 0.12);
  --amber: #f59e0b;
  --amber-dim: rgba(245, 158, 11, 0.12);
}

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

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; font-weight: 700; }

/* NAV */
.nav {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.nav-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
}

/* HERO */
.hero {
  position: relative;
  padding: 8rem 0 6rem;
  overflow: hidden;
}
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 199, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 199, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 100%);
}
.hero-content {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 229, 199, 0.2);
  padding: 0.4rem 1rem;
  border-radius: 100px;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.hero-headline {
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.hero-sub {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 3rem;
  line-height: 1.7;
}
/* DEMO CTA (inline in hero) */
.hero-demo-cta {
  margin-bottom: 2rem;
}
.hero-demo-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface);
  border: 1px solid rgba(0, 229, 199, 0.35);
  border-radius: 10px;
  padding: 0.75rem 1.5rem;
  color: var(--accent);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
.hero-demo-btn:hover {
  background: var(--accent-dim);
  border-color: rgba(0, 229, 199, 0.6);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  overflow: hidden;
  width: fit-content;
}
.stat {
  padding: 1.25rem 2rem;
}
.stat-value {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* SECTION LABELS */
.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.section-headline {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
  max-width: 720px;
}

/* PROBLEM */
.problem {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}
.problem-inner .section-headline {
  margin-bottom: 3rem;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.problem-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}
.problem-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--amber-dim);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: var(--amber);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.problem-card h3 {
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.problem-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* HOW IT WORKS */
.how-it-works {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
}
.how-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}
.how-inner .section-headline {
  margin-bottom: 3rem;
}
.layers {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.layer {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.layer:last-child { border-bottom: none; }
.layer-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  padding-top: 0.4rem;
}
.layer-content h3 {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.layer-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 680px;
}

/* PRICING */
.pricing {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.pricing-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}
.pricing-inner .section-headline {
  margin-bottom: 3rem;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.pricing-tier {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
}
.pricing-tier.featured {
  border-color: rgba(0, 229, 199, 0.3);
  background: linear-gradient(180deg, rgba(0, 229, 199, 0.06) 0%, var(--bg) 100%);
}
.tier-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.3rem 1rem;
  border-radius: 100px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.tier-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.tier-price {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}
.tier-period {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}
.tier-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}
.tier-features {
  list-style: none;
}
.tier-features li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
}
.tier-features li:last-child { border-bottom: none; }
.pricing-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  padding-top: 1rem;
}

/* MARKET */
.market {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
}
.market-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}
.market-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.market-headline {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.market-text p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.market-signals {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.signal-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}
.signal-item.highlight {
  border-color: rgba(245, 158, 11, 0.3);
  background: var(--amber-dim);
}
.signal-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.signal-value {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

/* CLOSING */
.closing {
  padding: 8rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
}
.closing-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 2rem;
}
.closing-headline {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.closing-sub {
  font-size: 1rem;
  color: var(--text-muted);
}

/* FOOTER */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}
.footer-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.footer-chain {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: auto;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { padding: 5rem 0 4rem; }
  .problem-grid { grid-template-columns: 1fr; }
  .layer { grid-template-columns: 1fr; gap: 0.5rem; }
  .pricing-grid { grid-template-columns: 1fr; }
  .market-grid { grid-template-columns: 1fr; gap: 3rem; }
  .hero-stats { flex-wrap: wrap; }
  .stat { padding: 1rem 1.25rem; }
  .market-signals { grid-template-columns: 1fr; }
  .footer-inner { flex-wrap: wrap; }
  .footer-chain { margin-left: 0; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 2.5rem; }
  .stat-value { font-size: 1.2rem; }
  .tier-price { font-size: 2rem; }
}