body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto;
  background: radial-gradient(circle at top, #121425 0%, #070811 60%);
  color: #fff;
}

.landing-container {
  max-width: 520px;
  margin: 0 auto;
  padding: 60px 20px;
  text-align: center;
}

.npp-logo {
  width: 220px;
  margin: 0 auto 30px;
  display: block;
}

.welcome-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #d4af37;
}

.carousel-box {
  background: linear-gradient(90deg, #b40000, #ff2d2d);
  padding: 18px;
  border-radius: 16px;
  font-weight: 600;
  margin-bottom: 25px;
  box-shadow: 0 8px 25px rgba(255, 0, 0, 0.3);
}

.subtext {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 30px;
  line-height: 1.6;
}

.btn-register {
  display: block;
  background: linear-gradient(90deg, #d4af37, #ffd700);
  color: #000;
  padding: 16px;
  border-radius: 16px;
  font-weight: 700;
  text-decoration: none;
  margin-bottom: 18px;
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

.btn-login {
  display: block;
  background: linear-gradient(90deg, #0aa34f, #16c96a);
  color: #fff;
  padding: 16px;
  border-radius: 16px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(0, 200, 100, 0.4);
}

.footer {
  margin-top: 40px;
  font-size: 13px;
  opacity: 0.7;
}