body {
  margin: 0;
  padding: 0;
  font-family: 'Vazirmatn', Tahoma, sans-serif;
  background: url('bg.jpg') center center / cover no-repeat;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* باکس به‌زودی وسط صفحه */
.coming-box {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 60px 50px;
  border-radius: 30px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  text-align: center;
  color: #fff;
  animation: fadeInUp 1.5s ease-out;
  border: 1px solid rgba(255, 255, 255, 0.3);
  max-width: 90%;
}

/* تیتر اصلی */
.coming-box h1 {
  font-size: 64px;
  font-weight: bold;
  margin-bottom: 20px;
  color: #ffffff;
  animation: pulse 2s infinite ease-in-out;
  text-shadow: 0 0 15px rgba(255, 255, 255, 0.6);
}

/* توضیح زیر تیتر */
.coming-box p {
  font-size: 20px;
  color: #eee;
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.2);
}

/* افکت ضربان تیتر */
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.95; }
  50% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(1); opacity: 0.95; }
}

/* انیمیشن ورود */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ریسپانسیو موبایل */
@media (max-width: 600px) {
  .logo {
    width: 180px;
    top: 20px;
    right: 20px;
  }

  .coming-box h1 {
    font-size: 40px;
  }

  .coming-box p {
    font-size: 16px;
  }

  .coming-box {
    padding: 40px 20px;
  }
}