body {
  margin: 0;
  font-family: Arial, sans-serif;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: url("background.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow-y: hidden;
}

.card {
  padding: 20px 40px;
  border-radius: 16px;
  text-align: center;
  max-width: 420px;
  width: 100%;
  position: relative;
  overflow: hidden;
  /* Glassmorphism */
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  opacity: 95%;
}

.card img.logo {
  max-width: 180px;
  display: block;
  margin: -10px auto -20px;
}

.card h2 {
  font-size: 22px;
  font-weight: 800;
  color: #0a2342;
  margin-bottom: -10px;
}

.card p.subtitle {
  font-size: 14px;
  color: #3f7fcf;
  margin-bottom: 10px;
}

.label {
  font-size: 14px;
  color: #333;
  margin: 20px 0 8px;
  text-align: left;
}

.btn {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 16px;
  margin-bottom: 20px;
  font-size: 14px;
  font-weight: 700;
  border-radius: 10px;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease-in-out;
  text-decoration: none;
}

@keyframes pulse-red {
  0%   { background-color: #ff0000; box-shadow: 0 0 0 0 rgba(255,0,0,0.7); }
  50%  { background-color: #cc0000; box-shadow: 0 0 25px 12px rgba(255,0,0,0.3); }
  100% { background-color: #ff0000; box-shadow: 0 0 0 0 rgba(255,0,0,0.7); }
}

.btn-primary.pulsate { animation: pulse-red 1.5s infinite; background-color: #ff0000 !important; }
.btn-primary { background: #0ad500; color: #fff; box-shadow: 0 4px 10px rgba(29, 121, 242, 0.4); }
.btn-primary:hover { background: #0f5fd8; }

.btn-outline { background: #f9fcff; border: 2px solid #1d79f2; color: #1d79f2; }
.btn-outline:hover { background: #e9f3ff; }

@media (max-width: 600px) {
  .card {
    padding: 15px 20px;
    margin: 10px;
    margin-top: -50px;
    border-radius: 12px;
    align-items: flex-start;
    padding-top: 40px;
  }
  .card h2 { font-size: 1.2rem; }
  .card p.subtitle, .label, .btn { font-size: 0.9rem; }
  .btn { padding: 14px; }
}