* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  min-height: 100vh;
  background: url("pozadina.jpg") center/cover no-repeat;
  color: #222;
}

.overlay {
  min-height: 100vh;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

.card {
  background: rgba(255, 255, 255, 0.95);
  max-width: 520px;
  backdrop-filter: blur(6px);
  width: 100%;
  padding: 40px 30px;
  text-align: center;
  border-radius: 18px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35);
}

.logo {
  max-width: 320px;
  width: 100%;
  margin-bottom: 30px;
}

h1 {
  font-size: 34px;
  margin-bottom: 12px;
  color: #1f4d2b;
}

.subtitle {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 28px;
  color: #333;
  font-weight: 600;
}

.info {
  text-align: left;
  margin-bottom: 30px;
  background: #f4f4f4;
  padding: 20px;
  border-radius: 12px;
}

.info p {
  margin-bottom: 10px;
  font-size: 16px;
}

.button {
  display: inline-block;
  background: #1f4d2b;
  color: #fff;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: bold;
  font-size: 16px;
  transition: 0.3s;
}

.button:hover {
  background: #16381f;
  transform: translateY(-2px);
}

@media (max-width: 600px) {
  .card {
    padding: 30px 22px;
  }

  h1 {
    font-size: 28px;
  }

  .subtitle {
    font-size: 16px;
  }
}