body {
  font-family: system-ui, sans-serif;
  margin: 0;
  background: #f9fafb;
  color: #222;
  line-height: 1.6;
}

header {
  background: #1b1f23;
  color: white;
  padding: 1rem;
  text-align: center;
}

header .app-icon {
  width: 80px;
  height: 80px;
  border-radius: 20%;
  display: block;
  margin: 0 auto 10px;
}

nav a {
  color: #ccc;
  margin: 0 10px;
  text-decoration: none;
}

nav a.active, nav a:hover {
  color: #fff;
}

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

.hero {
  text-align: center;
  margin-bottom: 2rem;
}

.features ul {
  list-style: none;
  padding: 0;
}

.features li {
  margin: 1rem 0;
  padding: 0.5rem;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.cta {
  text-align: center;
  margin-top: 2rem;
  font-weight: 500;
}

.store-buttons {
  margin-top: 1.5rem;
}

.appstore-btn img {
  width: 160px;
  transition: transform 0.2s ease;
}

.appstore-btn img:hover {
  transform: scale(1.05);
}

footer {
  background: #1b1f23;
  color: #bbb;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
}