* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}



body {
  min-height: 100vh;
  background: 
    radial-gradient(
      circle at center,
      rgba(255, 255, 255, 0.08),
      rgba(0, 0, 0, 0.2)
    ),
    url('/img/bg.jpeg') no-repeat center center / cover;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
}

.overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.35),
    rgba(0, 0, 0, 0.6)
  );
  backdrop-filter: blur(1.5px);
  z-index: 1;
}

.container {
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding: 40px 20px;
  animation: fadeIn 1.2s ease;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 15px;
  font-weight: 700;
}

.subtitle {
  font-size: 1.1rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

.contacts {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-bottom: 30px;
}

.contacts a {
  background: rgba(255, 255, 255, 0.15);
  padding: 14px;
  border-radius: 12px;
  text-decoration: none;
  color: #fff;
  font-size: 1.05rem;
  transition: all 0.3s ease;
}

.contacts a:hover {
  background: #25d366;
  color: #000;
  transform: scale(1.03);
}

.home-link a {
  display: inline-block;
  margin-top: 10px;
  text-decoration: none;
  color: #fff;
  font-weight: 500;
  opacity: 0.9;
  transition: opacity 0.3s;
}

.home-link a:hover {
  opacity: 1;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive extra */
@media (max-width: 480px) {
  .container {
    padding: 30px 15px;
  }
}
.login-card {
  margin: 30px auto;
  width: 100%;
  max-width: 340px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(10px);
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.55);
}

.login-card iframe {
  width: 100%;
  height: 310px;
  border: none;
  border-radius: 12px;
  background: #fff;
}