body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: #fdfaf6;
  color: #333;
  margin: 0;
  text-align: center;
}

/* Навігація */
nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 20px;
  background: white;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

nav a {
  text-decoration: none;
  color: #333;
  font-weight: 600;
}

/* Герой */
.hero {
  padding: 60px 20px;
}

.blue { color: #0074d9; }
.yellow { color: #ffcc00; }

.subtitle {
  margin-top: 10px;
  font-weight: 600;
  letter-spacing: 2px;
}

/* Кнопки */
.buttons button,
.buttons a {
  margin: 10px;
  padding: 15px 30px;
  border-radius: 30px;
  font-size: 18px;
  font-weight: 600;
  display: inline-block;
  text-decoration: none;
  cursor: pointer;
}

.offline {
  background: #ffcc00;
  color: #000;
}

.online {
  background: #0074d9;
  color: #fff;
}

/* Google Play кнопка */
.playstore-btn {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.playstore-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.playstore-btn:active {
  transform: scale(0.95);
}

/* Кроки */
.steps {
  background: #fff;
  padding: 40px 20px;
}

.step {
  margin: 20px 0;
}

/* Футер */
footer {
  background: #0074d9;
  color: #fff;
  padding: 40px 20px;
}

.store-buttons img {
  height: 48px;
  margin: 10px;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.store-buttons img:hover {
  transform: scale(1.05);
}

/* Адаптивність */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: 10px;
  }

  .buttons button,
  .buttons a {
    width: 80%;
    font-size: 16px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .buttons button,
  .buttons a {
    width: 90%;
    padding: 12px 20px;
  }

  nav a {
    font-size: 14px;
  }
}