body{
  background:url('background.jpg') center/cover no-repeat fixed;
  margin:0;height:100vh;display:flex;align-items:center;justify-content:center;
  font-family:Arial, sans-serif;
}
.card{
  backdrop-filter:blur(2px);
  background:rgba(255,255,255,0.75);  /* شفافية أخف */
  padding:40px 50px;border-radius:20px;
  text-align:center;
  box-shadow:0 10px 30px rgba(0,0,0,.1);
}
.logo{max-width:200px;margin-bottom:20px}
h3{color:#007e61;font-size:14px;letter-spacing:1px;margin:0}
h1{font-size:24px;margin-top:10px;color:#000}