body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background: #fafafa;
  color: #222;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: #222;
  color: #fff;
}

header h1 {
  margin: 0;
  flex: 1; 
  text-align: center;
  font-size: 1.8rem;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  color: #fff;
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
}

.app-screenshot {
  display: flex;
  justify-content: center;
  margin: 1.5rem 0;
}

.app-screenshot img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 0 15px rgba(0,0,0,0.3);
}
.license {
  background: #f5f5f5;
  border-left: 4px solid #0078ff;
  padding: 1rem;
  margin: 2rem 0;
  border-radius: 6px;
}

.license h3 {
  margin-top: 0;
  color: #0078ff;
}

.license ul {
  margin: 0.5rem 0 1rem 1.2rem;
}

.license li {
  margin-bottom: 0.3rem;
}

main {
  padding: 1.5rem;
  max-width: 800px;
  margin: auto;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #eee;
  margin-top: 2rem;
}
.btn {
  display: inline-block;
  padding: 0.6rem 1rem;
  background: #0078ff;
  color: #fff;
  border-radius: 5px;
  text-decoration: none;
}
.btn:hover {
  background: #005fcc;
}