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

:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-dark: #08080d;
  --text: #e4e4e7;
  --text-dim: #71717a;
  --accent: #6366f1;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --green: #22c55e;
  --orange: #f59e0b;
  --red: #ef4444;
  --border: #27272a;
  --radius: 8px;
  --mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Nav */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 0.875rem;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

/* Hero */
.hero {
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border);
}

.hero-content {
  max-width: 700px;
  margin: 0 auto;
  padding: 4rem 2rem 0;
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-dim) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: 1.15rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Buttons */
.btn {
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  display: inline-block;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: #5558e6;
  text-decoration: none;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--text-dim);
  text-decoration: none;
}

/* Stats */
.stats {
  padding: 3rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

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

.stat {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat-value {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chain-badges {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.chain-badge {
  padding: 0.25rem 0.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: capitalize;
}

/* Sections */
.section {
  padding: 5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-dark {
  background: var(--bg-dark);
  max-width: 100%;
  padding-left: 2rem;
  padding-right: 2rem;
}

.section-dark > * {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.section h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  text-align: center;
}

.section-subtitle {
  color: var(--text-dim);
  text-align: center;
  margin-bottom: 3rem;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.step {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.step-num {
  width: 2rem;
  height: 2rem;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.step h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.step p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.step code {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
}

/* Try It */
.try-it-container {
  max-width: 800px;
  margin: 0 auto;
}

.try-input {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.try-input input {
  flex: 1;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.try-input input:focus {
  border-color: var(--accent);
}

.try-results {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  min-height: 200px;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.6;
  overflow-x: auto;
}

.results-placeholder {
  color: var(--text-dim);
  font-family: inherit;
}

.result-card {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  background: var(--bg);
}

.result-card:last-child {
  margin-bottom: 0;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.result-name {
  font-weight: 600;
  font-size: 1rem;
}

.result-score {
  background: var(--accent-glow);
  color: var(--accent);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.85rem;
}

.result-meta {
  display: flex;
  gap: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.result-reasons {
  display: flex;
  gap: 0.35rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.reason-tag {
  padding: 0.1rem 0.4rem;
  background: rgba(34, 197, 94, 0.1);
  color: var(--green);
  border-radius: 3px;
  font-size: 0.7rem;
  font-family: var(--mono);
}

/* Code Blocks */
.code-blocks {
  display: grid;
  gap: 1.5rem;
  max-width: 800px;
  margin: 2rem auto 0;
}

.code-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-dim);
}

.copy-btn {
  padding: 0.25rem 0.6rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.75rem;
  transition: all 0.2s;
}

.copy-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.code-block pre {
  padding: 1rem;
  overflow-x: auto;
}

.code-block code {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text);
  line-height: 1.7;
}

/* Scoring */
.scoring-grid {
  max-width: 600px;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}

.score-factor {
  padding: 0;
}

.factor-bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.factor-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 1s ease;
}

.factor-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

.factor-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.factor-weight {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
}

.score-factor p {
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Endpoints */
.endpoints-table {
  max-width: 800px;
  margin: 2rem auto 0;
}

.endpoint {
  display: grid;
  grid-template-columns: 60px 1fr auto auto;
  gap: 1rem;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

.endpoint:last-child {
  border-bottom: none;
}

.method {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  text-align: center;
}

.method.get {
  background: rgba(34, 197, 94, 0.1);
  color: var(--green);
}

.method.post {
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent);
}

.path {
  font-family: var(--mono);
  font-size: 0.85rem;
}

.auth-badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-weight: 600;
}

.auth-badge.public {
  background: rgba(34, 197, 94, 0.1);
  color: var(--green);
}

.auth-badge.key {
  background: rgba(245, 158, 11, 0.1);
  color: var(--orange);
}

.desc {
  color: var(--text-dim);
  font-size: 0.85rem;
  text-align: right;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
}

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

.footer-left p {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: var(--text);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.25rem;
  }

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

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

  .nav-links {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .endpoint {
    grid-template-columns: 50px 1fr;
    gap: 0.5rem;
  }

  .endpoint .desc,
  .endpoint .auth-badge {
    display: none;
  }

  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}