.hero {
  padding: 140px 2rem 80px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  padding: 0.375rem 0.875rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto;
}

.stats-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
}

.stats-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 4rem;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.exchanges-section {
  padding: 80px 2rem;
}

.exchanges-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.exchange-category {
  margin-bottom: 4rem;
}

.exchange-category:last-child {
  margin-bottom: 0;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.category-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.category-badge {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
}

.exchange-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.exchange-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.2s ease;
}

.exchange-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.exchange-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.exchange-info {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.exchange-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.exchange-icon.okx {
  color: #fff;
  background: #000;
}

.exchange-icon.htx {
  color: #2e67f5;
  border-color: rgba(46, 103, 245, 0.3);
}

.exchange-icon.bitfinex {
  color: #16b157;
  border-color: rgba(22, 177, 87, 0.3);
}

.exchange-icon.lmax {
  color: #0066cc;
  border-color: rgba(0, 102, 204, 0.3);
}

.exchange-icon.gemini {
  color: #00dcfa;
  border-color: rgba(0, 220, 250, 0.3);
}

.exchange-icon.bitget {
  color: #00f0ff;
  border-color: rgba(0, 240, 255, 0.3);
}

.exchange-icon.bitmart {
  color: #00b8d4;
  border-color: rgba(0, 184, 212, 0.3);
}

.exchange-icon.bitcom {
  color: #4285f4;
  border-color: rgba(66, 133, 244, 0.3);
}

.exchange-icon.deribit {
  color: #00d395;
  border-color: rgba(0, 211, 149, 0.3);
}

.exchange-icon.sunperp {
  color: #ff0013;
  border-color: rgba(255, 0, 19, 0.3);
}

.exchange-name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.exchange-type {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.online {
  background: var(--green);
}

.status-dot.coming {
  background: var(--orange);
}

.exchange-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.feature-tag {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.feature-tag.primary {
  color: var(--accent);
  border-color: rgba(102, 184, 234, 0.3);
  background: rgba(102, 184, 234, 0.1);
}

.features-section {
  padding: 80px 2rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature-card {
  padding: 1.5rem;
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.api-section {
  padding: 80px 2rem;
}

.api-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.api-preview {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.api-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

.api-tabs {
  display: flex;
  gap: 0.25rem;
}

.api-tab {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.api-tab:hover {
  color: var(--text-secondary);
}

.api-tab.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.api-endpoint {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.api-endpoint span {
  color: var(--green);
}

.api-body {
  padding: 1.5rem;
}

.api-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  white-space: pre;
}

.api-code .key {
  color: var(--accent);
}

.api-code .string {
  color: var(--green);
}

.api-code .number {
  color: var(--orange);
}

.api-code .comment {
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .exchange-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-bar-inner {
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 120px 1.5rem 60px;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .stats-bar-inner {
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  .stat-item {
    flex: 1;
    min-width: 120px;
  }

  .exchange-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .exchanges-section, .features-section, .api-section {
    padding: 60px 1.5rem;
  }
}