:root {
  --bg: #0b0d12;
  --surface: #13161f;
  --surface-2: #1a1e29;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f3f4f6;
  --text-muted: #9ca3af;
  --accent: #6366f1;
  --accent-2: #00ff88;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 13, 18, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
}

.logo-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  border-radius: 8px;
  color: white;
  line-height: 0;
}

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}

.btn-ghost:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.btn-github {
  gap: 10px;
}

/* Hero */
.hero {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

/* Decorative glow removed */

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1.7fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 {
  font-size: 56px;
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

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

.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  padding: 6px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-visual {
  position: relative;
}

.hero-screenshot {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

/* Sections */
.section-title {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 48px;
}

/* Features */
.features {
  padding: 60px 0;
  background: var(--surface);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

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

/* Demo */
.demo {
  padding: 60px 0;
  background: var(--surface);
}

.demo-video-wrapper {
  max-width: 900px;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.demo-video {
  width: 100%;
  height: auto;
  display: block;
  background: #000;
}

/* MCP */
.mcp {
  padding: 60px 0;
  background: var(--surface);
}

.mcp-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.mcp-content .section-title {
  text-align: left;
  margin-bottom: 20px;
}

.mcp-content p {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 16px;
}

.mcp-tools {
  list-style: none;
  margin-bottom: 28px;
}

.mcp-tools li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 14px;
}

.mcp-tools code {
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent);
  padding: 4px 8px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  margin-right: 8px;
}

.mcp-visual img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* Install */
.install {
  padding: 60px 0;
}

.install-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 18px;
  margin-bottom: 16px;
}

pre {
  background: #0d1016;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
}

code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 13px;
  color: #a5b4fc;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  background: var(--surface);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 14px;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner,
  .mcp-inner {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .main-nav {
    display: none;
  }

  .hero-content h1 {
    font-size: 36px;
  }

  .hero-actions {
    flex-direction: column;
  }

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