body {
  margin: 0;
  font-family: 'Vazir', sans-serif;
  background: linear-gradient(135deg, #ffffff, #f5f5f5);
  color: #222;
  text-align: center;
}

.hero {
  padding: 100px 20px;
}

.hero.en {
  direction: ltr;
}

.logo {
  width: 140px;
  margin-bottom: 20px;
}

h1 {
  font-size: 2em;
  margin-bottom: 10px;
}

p {
  font-size: 1.2em;
  margin-bottom: 30px;
}

.btn {
  background: #000;
  color: #fff;
  border: none;
  padding: 12px 30px;
  border-radius: 50px;
  cursor: pointer;
  font-size: 1em;
  transition: 0.3s;
}

.btn:hover {
  background: #444;
}

.socials a {
  margin: 10px;
  text-decoration: none;
  font-size: 1.5em;
}

.lang-switch {
  display: block;
  margin-top: 40px;
  color: #666;
  text-decoration: none;
}