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

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #22d3ee;
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --border: #334155;
}

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

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem;
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}

.hero-content {
  text-align: center;
  max-width: 600px;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.tagline {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Install Box */
.install-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin: 0 auto 2rem;
  text-align: left;
  min-width: 600px;
}

.install-tabs {
  display: flex;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
}

.install-tabs .tab {
  flex: 1;
  min-width: 100px;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.install-tabs .tab:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.03);
}

.install-tabs .tab.active {
  color: var(--primary);
  background: var(--bg-card);
}

.install-cmd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  gap: 1rem;
}

.install-cmd code {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 0.9rem;
  color: var(--secondary);
  flex: 1;
}

.copy-btn {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.copy-btn:hover {
  color: var(--text-primary);
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

.copy-btn.copied {
  color: #22c55e;
  border-color: #22c55e;
  background: rgba(34, 197, 94, 0.1);
}

/* Hero Links */
.hero-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.hero-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

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

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

/* Sections */
section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

section h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 3rem;
}

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s;
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Quick Start */
.code-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.code-block h3 {
  margin-bottom: 1rem;
  color: var(--secondary);
}

.code-block pre {
  background: var(--bg-dark);
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
}

.code-block code {
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 0.9rem;
  color: var(--text-primary);
}

/* Docs Grid */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  text-decoration: none;
  transition: all 0.3s;
}

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

.doc-card h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

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

/* Plugin Table */
.plugin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: 12px;
  overflow: hidden;
}

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

.plugin-table th {
  background: var(--bg-dark);
  color: var(--secondary);
  font-weight: 600;
}

.plugin-table tr:last-child td {
  border-bottom: none;
}

.plugin-table tr:hover td {
  background: rgba(99, 102, 241, 0.1);
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
}

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

footer a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 5rem 1rem 3rem;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero .tagline {
    font-size: 1.2rem;
  }

  .install-box {
    min-width: auto;
    width: 100%;
  }

  .install-tabs .tab {
    min-width: 80px;
    padding: 0.6rem 0.5rem;
    font-size: 0.8rem;
  }

  .install-cmd code {
    font-size: 0.75rem;
    word-break: break-all;
  }

  .hero-links {
    gap: 1rem;
  }

  .nav-links {
    display: none;
  }

  .cta-buttons {
    flex-direction: column;
  }

  section {
    padding: 3rem 1rem;
  }
}