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

:root {
  --bg: #0d1117;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text);
  font-family: "Roboto", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.hero {
  max-width: 640px;
  padding: 2rem;
  text-align: center;
}

.logo {
  font-size: 3rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.tagline {
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.description {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
}

.link {
  display: inline-block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  padding: 0.75rem 1.75rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.link:hover {
  background-color: var(--accent);
  color: var(--bg);
}

@media (max-width: 600px) {
  .logo {
    font-size: 2.25rem;
  }

  .tagline {
    font-size: 1rem;
  }

  .description {
    font-size: 0.9rem;
  }
}