:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --success: #3fb950;
  --warning: #d29922;
  --danger: #f85149;
  --core-color: #58a6ff;
  --premium-color: #a371f7;
  --community-color: #8b949e;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
}

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

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

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

a:hover {
  color: var(--accent-hover);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navigation */
.site-nav {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.brand:hover {
  color: var(--text-primary);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--premium-color));
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
}

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

/* Hero */
.hero {
  padding: 5rem 0 3rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 2.5rem;
}

.hero-terminal {
  max-width: 600px;
  margin: 0 auto 2.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  text-align: left;
}

.terminal-header {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

.terminal-header .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: var(--danger); }
.dot.yellow { background: var(--warning); }
.dot.green { background: var(--success); }

.terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-secondary);
  overflow-x: auto;
}

.terminal-body code {
  font-family: inherit;
  color: var(--text-secondary);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.15s;
}

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

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

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

.btn-secondary:hover {
  background: var(--border);
  color: var(--text-primary);
}

/* Stats */
.stats {
  padding: 3rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-number {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Featured */
.featured {
  padding: 4rem 0;
}

.featured h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

/* Skills grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

/* Skill card */
.skill-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color 0.15s;
}

.skill-card:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.skill-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.skill-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.skill-tier {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  align-self: flex-start;
}

.tier-core {
  background: rgba(88, 166, 255, 0.15);
  color: var(--core-color);
}

.tier-premium {
  background: rgba(163, 113, 247, 0.15);
  color: var(--premium-color);
}

.tier-community {
  background: rgba(139, 148, 158, 0.15);
  color: var(--community-color);
}

.skill-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.skill-author {
  color: var(--accent);
}

/* Pricing */
.tiers {
  padding: 4rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.tiers h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-align: center;
}

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

.tier-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
}

.tier-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.tier-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.tier-price span {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.tier-card ul {
  list-style: none;
}

.tier-card li {
  padding: 0.4rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding-left: 1.25rem;
  position: relative;
}

.tier-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.featured-tier {
  border-color: var(--accent);
  position: relative;
}

.featured-tier::before {
  content: 'Popular';
  position: absolute;
  top: -1px;
  right: -1px;
  background: var(--accent);
  color: var(--bg-primary);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 0 12px 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Page header */
.page-header {
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--text-secondary);
}

.skill-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.skill-meta-header {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Install box */
.install-box {
  max-width: 500px;
}

.install-box pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  overflow-x: auto;
}

.install-box pre code {
  font-family: inherit;
  color: var(--text-secondary);
}

/* Content */
.content h2 {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 2rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem;
}

.content p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.content ul,
.content ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.content li {
  margin-bottom: 0.4rem;
  color: var(--text-secondary);
}

.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.content th,
.content td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.content th {
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.content td {
  color: var(--text-secondary);
}

.content tr:hover td {
  background: rgba(88, 166, 255, 0.03);
}

.content pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin: 1.25rem 0;
  overflow-x: auto;
}

.content pre code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-tertiary);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: var(--accent);
}

/* Docs */
.docs-list {
  padding: 2rem 0;
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.doc-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color 0.15s;
}

.doc-card:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.doc-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.doc-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Skills list */
.skills-list {
  padding: 2rem 0 4rem;
}

/* Footer */
.site-footer {
  padding: 2rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.site-footer a {
  color: var(--text-muted);
}

.site-footer a:hover {
  color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 1.75rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

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

  .nav-links {
    display: none;
  }
}