:root {
  --bg: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8a8a9a;
  --volt: #d4ff00;
  --volt-dim: rgba(212, 255, 0, 0.12);
  --volt-glow: rgba(212, 255, 0, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
}

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

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

/* ── Hero ── */
.hero {
  padding: 120px 24px 80px;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--volt);
  background: var(--volt-dim);
  border: 1px solid rgba(212, 255, 0, 0.2);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 40px;
}

.hero h1 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 28px;
}

.volt {
  color: var(--volt);
  text-shadow: 0 0 40px var(--volt-glow);
}

.lede {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 60px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--volt);
}

.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  max-width: 160px;
  text-align: center;
}

/* ── Section Tags ── */
.section-tag {
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--volt);
  margin-bottom: 16px;
}

/* ── Niches ── */
.niches {
  padding: 100px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.niches-header {
  margin-bottom: 60px;
}

.niches-header h2 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.niches-sub {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.7;
}

.niche-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.niche-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.3s, transform 0.2s;
}

.niche-card:hover {
  border-color: rgba(212, 255, 0, 0.3);
  transform: translateY(-2px);
}

.niche-highlight {
  border-color: rgba(212, 255, 0, 0.4);
  background: linear-gradient(135deg, var(--bg-card), rgba(212, 255, 0, 0.04));
}

.niche-icon {
  font-size: 24px;
  color: var(--volt);
  margin-bottom: 16px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--volt-dim);
  border-radius: 10px;
  font-weight: 700;
}

.niche-card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.niche-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ── Revenue ── */
.revenue {
  padding: 100px 24px;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  gap: 60px;
  align-items: center;
}

.revenue-content {
  flex: 1;
}

.revenue-content h2 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.revenue-sub {
  font-size: 15px;
  color: var(--fg-muted);
  margin-bottom: 40px;
  line-height: 1.7;
  max-width: 480px;
}

.revenue-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.revenue-layer {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.layer-bar {
  height: 6px;
  background: linear-gradient(90deg, var(--volt), rgba(212, 255, 0, 0.3));
  border-radius: 3px;
}

.layer-info {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.layer-name {
  font-family: 'Outfit', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
}

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

.revenue-number {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex-shrink: 0;
}

.big-number {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(48px, 7vw, 72px);
  font-weight: 900;
  color: var(--volt);
  line-height: 1;
  text-shadow: 0 0 60px var(--volt-glow);
}

.big-label {
  font-size: 14px;
  color: var(--fg-muted);
  margin-top: 12px;
  max-width: 160px;
}

/* ── System ── */
.system {
  padding: 100px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.system h2 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 60px;
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.system-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
}

.system-num {
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--volt);
  background: var(--volt-dim);
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  margin-bottom: 20px;
}

.system-block h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.system-block p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ── Closing ── */
.closing {
  padding: 120px 24px;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.closing h2 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 24px;
}

.closing-text {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.8;
  max-width: 560px;
  margin: 0 auto;
}

/* ── Footer ── */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.footer-brand {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--volt);
}

.footer-divider {
  color: var(--fg-muted);
  opacity: 0.3;
}

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

/* ── CTA Button ── */
.cta-btn {
  display: inline-block;
  margin-top: 40px;
  font-family: 'Outfit', sans-serif;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: var(--volt);
  color: #0a0a0f;
  text-decoration: none;
  padding: 14px 36px;
  border-radius: 10px;
  transition: opacity 0.2s, transform 0.15s;
}

.cta-btn:hover { opacity: 0.88; transform: translateY(-2px); }
.cta-btn:active { transform: translateY(0); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero { padding: 80px 20px 60px; }
  .hero-stats { gap: 32px; }
  .niche-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .revenue { flex-direction: column; gap: 40px; text-align: center; }
  .revenue-number { order: -1; }
  .layer-info { flex-direction: column; gap: 2px; }
  .system-grid { grid-template-columns: 1fr; }
  .closing { padding: 80px 20px; }
}

@media (max-width: 480px) {
  .niche-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 24px; }
}