/* ============================================
   Paneless Landing Page - Main Styles
   ============================================ */

:root {
  /* Colors - GitHub Dark Theme */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border: #30363d;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;

  /* Status Colors */
  --status-idle: #8b949e;
  --status-working: #58a6ff;
  --status-waiting: #d29922;
  --status-complete: #3fb950;
  --status-error: #f85149;

  /* Accent */
  --accent-primary: #58a6ff;
  --accent-hover: #79c0ff;

  /* Agent Colors */
  --agent-claude: #cc785c;
  --agent-opencode: #58a6ff;
  --agent-cursor: #00d4aa;
  --agent-aider: #9d7cd8;
  --agent-copilot: #238636;
  --agent-gemini: #8b5cf6;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* Borders */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ============================================
   Navigation
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  font-size: 18px;
  color: var(--text-primary);
}

.logo-icon {
  width: 28px;
  height: 28px;
  color: var(--accent-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

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

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

.nav-btn {
  background: var(--accent-primary);
  color: var(--bg-primary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  transition: background 0.2s, transform 0.2s;
}

.nav-btn:hover {
  background: var(--accent-hover);
  color: var(--bg-primary);
  transform: translateY(-1px);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  min-height: 100vh;
  padding: calc(80px + var(--space-3xl)) var(--space-lg) var(--space-3xl);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-content {
  text-align: center;
  max-width: 700px;
  margin-bottom: var(--space-3xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(135deg, rgba(88, 166, 255, 0.15) 0%, rgba(88, 166, 255, 0.05) 100%);
  border: 1px solid rgba(88, 166, 255, 0.3);
  border-radius: var(--radius-lg);
  color: var(--accent-primary);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.hero-badge svg {
  width: 18px;
  height: 18px;
}

.hero-title {
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.hero-tagline {
  font-size: 15px;
  color: var(--accent-primary);
  font-weight: 500;
  margin-bottom: var(--space-xl);
  background: rgba(88, 166, 255, 0.1);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  display: inline-block;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 15px;
  transition: all 0.2s;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(88, 166, 255, 0.3);
}

.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);
  transform: translateY(-2px);
}

.btn-large {
  padding: var(--space-md) var(--space-xl);
  font-size: 16px;
}

/* ============================================
   Browser Mockup
   ============================================ */

.browser-mockup {
  width: 100%;
  max-width: 900px;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.05),
    0 20px 50px rgba(0, 0, 0, 0.5),
    0 0 100px rgba(88, 166, 255, 0.1);
}

.browser-header {
  display: flex;
  align-items: center;
  padding: var(--space-md);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

.browser-dots {
  display: flex;
  gap: var(--space-sm);
}

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

.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.browser-address {
  flex: 1;
  display: flex;
  justify-content: center;
}

.address-text {
  background: var(--bg-primary);
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.browser-actions {
  width: 52px;
}

.browser-content {
  position: relative;
  min-height: 400px;
  padding: var(--space-md);
  overflow: hidden;
}

/* ============================================
   Status Bar (in browser)
   ============================================ */

.status-bar {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.status-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 12px;
}

.status-count {
  font-weight: 600;
  font-family: var(--font-mono);
  min-width: 16px;
  text-align: center;
}

.status-label {
  color: var(--text-secondary);
}

#status-working .status-count { color: var(--status-working); }
#status-waiting .status-count { color: var(--status-waiting); }
#status-complete .status-count { color: var(--status-complete); }

/* ============================================
   Testimonials Section
   ============================================ */

.testimonials {
  padding: var(--space-3xl) var(--space-lg);
}

.testimonials-container {
  max-width: 1200px;
  margin: 0 auto;
}

.testimonials-title {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: var(--space-2xl);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.testimonial-card {
  padding: var(--space-xl);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: transform 0.2s, border-color 0.2s;
}

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

.testimonial-stars {
  font-size: 18px;
  color: #fbbf24;
  margin-bottom: var(--space-md);
}

.testimonial-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-hover));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--bg-primary);
  font-size: 18px;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
}

.author-title {
  font-size: 12px;
  color: var(--text-muted);
}

/* ============================================
   Features Section
   ============================================ */

.features {
  padding: var(--space-3xl) var(--space-lg);
  background: var(--bg-secondary);
}

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

.features-title {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.features-subtitle {
  text-align: center;
  font-size: 16px;
  color: var(--accent-primary);
  margin-bottom: var(--space-2xl);
  font-weight: 500;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  padding: var(--space-lg);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: transform 0.2s, border-color 0.2s;
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent-primary);
}

.feature-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   Platform Section
   ============================================ */

.platform {
  padding: var(--space-3xl) var(--space-lg);
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.platform-container {
  max-width: 900px;
  margin: 0 auto;
}

.platform-content {
  text-align: center;
}

.platform-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.platform-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
}

.platform-architecture {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  margin: var(--space-3xl) 0;
}

.arch-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-2xl);
  background: var(--bg-primary);
  border: 2px solid var(--accent-primary);
  border-radius: var(--radius-lg);
  min-width: 200px;
  transition: transform 0.2s, border-color 0.2s;
}

.arch-node:hover {
  transform: translateY(-4px);
  border-color: var(--accent-hover);
}

.arch-icon {
  font-size: 48px;
  margin-bottom: var(--space-sm);
}

.arch-label {
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
}

.arch-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

.arch-arrow {
  font-size: 32px;
  color: var(--accent-primary);
  font-weight: 700;
}

.platform-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.platform-feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 14px;
  color: var(--text-primary);
}

.check-icon {
  width: 20px;
  height: 20px;
  color: var(--status-complete);
  flex-shrink: 0;
}

.platform-cta {
  margin-top: var(--space-xl);
}

/* ============================================
   Pricing Section
   ============================================ */

.pricing {
  padding: var(--space-3xl) var(--space-lg);
}

.pricing-container {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.pricing-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.pricing-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: var(--space-3xl);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  align-items: flex-start;
}

.pricing-card {
  padding: var(--space-2xl);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: transform 0.2s, border-color 0.2s;
  position: relative;
}

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

.pricing-featured {
  border: 2px solid var(--accent-primary);
  transform: scale(1.05);
}

.pricing-featured:hover {
  transform: scale(1.05) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-primary);
  color: var(--bg-primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.pricing-tier {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.pricing-price {
  font-size: 48px;
  font-weight: 700;
  color: var(--text-primary);
}

.pricing-period {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: var(--space-2xl);
}

.pricing-features li {
  padding: var(--space-sm) 0;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-btn {
  width: 100%;
  justify-content: center;
}

/* ============================================
   FAQ Section
   ============================================ */

.faq {
  padding: var(--space-3xl) var(--space-lg);
  background: var(--bg-secondary);
}

.faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.faq-title {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: var(--space-2xl);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-lg);
}

.faq-item {
  background: var(--bg-primary);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.faq-question {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.faq-answer {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   Agents Section
   ============================================ */

.agents {
  padding: var(--space-3xl) var(--space-lg);
}

.agents-container {
  max-width: 1000px;
  margin: 0 auto;
}

.agents-title {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: var(--space-2xl);
}

.agents-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
}

.agent-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  min-width: 120px;
  transition: transform 0.2s, border-color 0.2s;
}

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

.agent-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 16px;
  color: white;
}

.agent-claude { background: var(--agent-claude); }
.agent-opencode { background: var(--agent-opencode); }
.agent-cursor { background: var(--agent-cursor); }
.agent-aider { background: var(--agent-aider); }
.agent-copilot { background: var(--agent-copilot); }
.agent-gemini { background: var(--agent-gemini); }

.agent-card span {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ============================================
   Download Section
   ============================================ */

.download {
  padding: var(--space-3xl) var(--space-lg);
  background: var(--bg-secondary);
}

.download-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.download-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.download-subtitle {
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.download-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 400px;
  margin: 0 auto;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-align: left;
  transition: all 0.2s;
}

.download-btn:hover {
  border-color: var(--accent-primary);
  transform: translateX(4px);
}

.download-btn svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.download-mac svg { color: var(--text-primary); }
.download-linux svg { color: #f0c674; }
.download-windows svg { color: #58a6ff; }

.download-info {
  display: flex;
  flex-direction: column;
}

.download-platform {
  font-weight: 600;
  color: var(--text-primary);
}

.download-note {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ============================================
   Footer (Extended)
   ============================================ */

.footer {
  padding: var(--space-xl) var(--space-lg);
  border-top: 1px solid var(--border);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-xl);
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
}

.footer-logo svg {
  width: 24px;
  height: 24px;
  color: var(--accent-primary);
}

.footer-logo > span {
  font-weight: 600;
  color: var(--text-primary);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-xl);
  width: 100%;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-column h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.footer-column a {
  color: var(--text-secondary);
  font-size: 13px;
  transition: color 0.2s;
}

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

.footer-copy {
  width: 100%;
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
  margin-top: var(--space-xl);
}

.footer-copy a {
  color: var(--accent-primary);
}

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

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding-top: calc(60px + var(--space-xl));
  }

  .hero-title {
    font-size: 32px;
  }

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

  .browser-mockup {
    border-radius: var(--radius-md);
  }

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

  .footer-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-logo {
    align-items: center;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
  }

  .pricing-featured {
    transform: none;
  }

  .pricing-featured:hover {
    transform: translateY(-4px);
  }

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

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

  .platform-architecture {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .arch-arrow {
    transform: rotate(90deg);
  }
}