body {
  position: relative;
  min-height: 100vh;
  margin: 0;
  
  font-family: 'Arial', sans-serif;
}
body::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('../../../image/image_pages/404/not-_found_img.webp') center/cover fixed;
  filter: grayscale(100%) brightness(0.7);
  z-index: 0;
}

.blur-card {
  position: relative;
  z-index: 1; 
  max-width: 600px;   
  min-height: 300px;  
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px); 
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 1.5rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  padding: 2rem;
}

.error-code,
.lead,
.text-muted {
  position: relative;
  z-index: 1;
  color: #ffffff !important;
  filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.7));
}

.error-svg {
  position: relative;
  z-index: 1;
  filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.7));
}

.btn-primary {
  position: relative;
  z-index: 1;
}