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

:root {
  --primary-color: #007acc;
  --secondary-color: #f5f5f5;
  --bg-dark: #ffffff;
  --bg-light: #f8f9fa;
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-muted: #6c757d;
  --accent-green: #28a745;
  --accent-red: #dc3545;
  --border-color: #dee2e6;
}

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

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
}

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

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

main {
  padding-top: 80px;
}

section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  min-height: calc(100vh - 80px);
}

.hero-content h1 {
  font-size: 3.5rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.btn {
  padding: 0.875rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background-color: #005a9e;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 122, 204, 0.3);
}

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

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

.version-note {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.terminal-window {
  background-color: var(--bg-light);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
}

.terminal-header {
  background-color: #e9ecef;
  padding: 0.75rem;
  display: flex;
  gap: 0.5rem;
}

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

.terminal-button.red {
  background-color: #f48771;
}

.terminal-button.yellow {
  background-color: #e5c07b;
}

.terminal-button.green {
  background-color: #4ec9b0;
}

.terminal-body {
  padding: 1.5rem;
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
}

.terminal-body p {
  margin-bottom: 0.5rem;
}

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

.output {
  color: var(--text-muted);
}

.output.success {
  color: var(--accent-green);
}

.cursor {
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

.features {
  background-color: var(--bg-light);
}

.features h2,
.download h2,
.open-source h2 {
  font-size: 2.5rem;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 3rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background-color: var(--bg-dark);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: all 0.2s;
}

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

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.feature-card p {
  color: var(--text-muted);
}

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

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.download-card {
  background-color: var(--bg-light);
  padding: 2rem;
  border-radius: 8px;
  border: 2px solid var(--border-color);
  text-align: center;
  transition: all 0.2s;
  position: relative;
}

.download-card.active {
  border-color: var(--primary-color);
  box-shadow: 0 0 20px rgba(0, 122, 204, 0.2);
}

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

.download-card h3 {
  color: var(--text-primary);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.download-card p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.btn-download {
  background-color: var(--primary-color);
  color: white;
  width: 100%;
  text-align: center;
  margin-bottom: 0.5rem;
}

.btn-download:hover {
  background-color: #005a9e;
}

.btn-download-alt {
  background-color: transparent;
  color: var(--text-secondary);
  border: 2px solid var(--border-color);
  width: 100%;
  text-align: center;
}

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

.linux-downloads {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.coming-soon {
  display: block;
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-style: italic;
}

.install-instructions {
  background-color: var(--bg-light);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.install-instructions h3 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.code-block {
  background-color: var(--bg-dark);
  padding: 1.5rem;
  border-radius: 6px;
  overflow-x: auto;
}

.code-block code {
  font-family: 'Courier New', monospace;
  color: var(--accent-green);
  font-size: 0.875rem;
  white-space: pre;
  display: block;
  line-height: 1.8;
}

.open-source {
  text-align: center;
  background-color: var(--bg-light);
}

.open-source p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 1.125rem;
}

.btn-github {
  background-color: #24292e;
  color: white;
  display: inline-flex;
  align-items: center;
}

.btn-github:hover {
  background-color: #1b1f23;
}

.btn-github svg {
  width: 20px;
  height: 20px;
}

footer {
  background-color: var(--bg-light);
  border-top: 1px solid var(--border-color);
  padding: 2rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-left p {
  color: var(--text-muted);
}

.footer-right {
  display: flex;
  gap: 2rem;
}

.footer-right a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

  .nav-links {
    gap: 1rem;
  }

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

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