body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: radial-gradient(circle at top, #0f2027, #203a43, #2c5364);
  color: #fff;
  overflow-x: hidden;
}

.container {
  max-width: 900px;
  margin: auto;
  padding: 30px 20px;
  text-align: center;
}

header h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: 3.5rem;
  color: #ffcc00;
  text-shadow: 0 0 10px #ffcc00;
}

.tagline {
  font-size: 1.2rem;
  color: #ddd;
  margin-top: 10px;
}

.card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  padding: 30px;
  margin: 40px 0;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: #ffcc00;
}

.numbers {
  display: flex;
  justify-content: center;
  gap: 25px;
}

.numbers span {
  background: #ffcc00;
  color: #000;
  padding: 20px 30px;
  border-radius: 50%;
  font-size: 1.8rem;
  font-weight: bold;
  box-shadow: 0 0 15px #ffcc00;
  transition: transform 0.3s ease;
}

.numbers span:hover {
  transform: scale(1.1);
}

.btn {
  display: inline-block;
  padding: 15px 30px;
  background: linear-gradient(90deg, #ffcc00, #ffaa00);
  color: #000;
  font-weight: bold;
  border-radius: 50px;
  text-decoration: none;
  font-size: 1.1rem;
  box-shadow: 0 0 15px #ffcc00;
  transition: background 0.3s ease, transform 0.3s ease;
}

.btn:hover {
  background: linear-gradient(90deg, #ffaa00, #ffcc00);
  transform: scale(1.05);
}

footer {
  margin-top: 40px;
  font-size: 0.9rem;
  color: #aaa;
}

/* Responsive */
@media (max-width: 600px) {
  header h1 {
    font-size: 2.5rem;
  }

  .numbers {
    flex-direction: column;
    gap: 15px;
  }

  .btn {
    width: 80%;
  }
}