.nf-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-image: url("https://images.unsplash.com/photo-1501785888041-af3ef285b470?auto=format&fit=crop&w=1600&q=80");
}

.nf-card {
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 540px;
  text-align: center;
  color: white;
  box-shadow: 0 0 30px rgba(30, 144, 255, 0.4);
}

.nf-title {
  font-size: 5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  filter: drop-shadow(0 0 25px #1e90ff);
}

.nf-subtitle {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 8px #1e90ff);
}

.nf-text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
  filter: drop-shadow(0 0 6px #000000aa);
}

.nf-btn {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border-radius: 10px;
  background: rgba(30, 144, 255, 0.25);
  border: 1px solid rgba(30, 144, 255, 0.4);
  color: white;
  font-weight: 600;
  text-decoration: none;
  transition: 0.3s ease;
  filter: drop-shadow(0 0 10px #1e90ff);
}

.nf-btn:hover {
  background: rgba(30, 144, 255, 0.35);
  box-shadow: 0 0 12px #1e90ff;
}