.not-found-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  position: relative;
  overflow: hidden;
  padding: 2rem;
}

.not-found-content {
  position: relative;
  z-index: 10;
  animation: fadeIn 0.8s ease-out;
}

.error-code {
  font-size: clamp(8rem, 20vw, 12rem);
  font-weight: 900;
  background: linear-gradient(to bottom, #3b82f6, #1d4ed8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: -1rem;
  opacity: 0.1;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
  user-select: none;
}

.error-icon {
  font-size: 5rem;
  color: #ef4444;
  margin-bottom: 1.5rem;
  animation: float 3s ease-in-out infinite;
}

.error-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 1rem;
}

.error-message {
  font-size: 1.1rem;
  color: #64748b;
  max-width: 500px;
  margin: 0 auto 2.5rem;
}

.back-btn {
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.3);
  transition: all 0.3s ease;
}

.back-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 25px -5px rgba(59, 130, 246, 0.4);
}

/* Background Decorations */
.bg-circle-1 {
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 1;
}

.bg-circle-2 {
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 1;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0); }
}

@media (max-width: 768px) {
  .error-title {
    font-size: 1.8rem;
  }
  .error-message {
    font-size: 1rem;
  }
}
