body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #0d1117;
  color: #c9d1d9;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background-color: #161b22;
  text-align: center;
  padding: 2rem 1rem;
  border-bottom: 2px solid #30363d;
}

header h1 {
  font-size: 2.5rem;
  color: #58a6ff;
  margin-bottom: 0.5rem;
}

header p {
  font-size: 1.1rem;
  color: #8b949e;
}

main {
  flex: 1;
  padding: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.intro {
  text-align: center;
  margin-bottom: 3rem;
}

.apps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.app-card {
  background-color: #161b22;
  padding: 1.5rem;
  border-radius: 10px;
  border: 1px solid #30363d;
}

.app-card h3 {
  color: #58a6ff;
  margin-top: 0;
}

.button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background-color: #238636;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  transition: background-color 0.2s;
}

.button:hover {
  background-color: #2ea043;
}

footer {
  text-align: center;
  padding: 1rem;
  background-color: #161b22;
  border-top: 2px solid #30363d;
  color: #8b949e;
}