:root {
  --primary: #2563eb;
  --text: #1f2937;
  --background: #ffffff;
  --card: #f3f4f6;
  --border: #e5e7eb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #3b82f6;
    --text: #f3f4f6;
    --background: #111827;
    --card: #1f2937;
    --border: #374151;
  }
}

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

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

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

.hero {
  text-align: center;
  padding: 4rem 0;
}

.logo {
  width: 120px;
  height: 120px;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.tagline {
  font-size: 1.5rem;
  color: var(--text);
  opacity: 0.8;
}

.screenshot {
  margin: 4rem 0;
  text-align: center;
}

.screenshot-img {
  max-width: 100%;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.downloads {
  text-align: center;
  margin: 4rem 0;
}

.download-options {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.download-button {
  background: var(--primary);
  color: white;
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform 0.2s;
}

.download-button:hover {
  transform: translateY(-2px);
}

.version {
  color: var(--text);
  opacity: 0.6;
}

.features {
  margin: 4rem 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.feature {
  background: var(--card);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
}

.emoji {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}

footer {
  text-align: center;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.github-link {
  color: var(--primary);
  text-decoration: none;
}

.github-link:hover {
  text-decoration: underline;
}

.copyright {
  margin-top: 1rem;
  color: var(--text);
  opacity: 0.6;
}

@media (max-width: 768px) {
  .download-options {
    flex-direction: column;
  }

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