* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(135deg, #0f172a, #1e3a8a, #06b6d4);
  color: white;
  overflow-y: auto;
}

.card {
  width: 90%;
  max-width: 900px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(16px);
  border-radius: 24px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  animation: fadeIn 1.2s ease;
  margin: 20px 0;
}

h1 {
  margin: 0 0 8px 0;
  font-size: 42px;
  font-weight: 700;
}

p {
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 18px;
}

img {
  width: 100%;
  max-width: 520px;
  max-height: 50vh;
  object-fit: contain;
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.45);
  transition: all 0.5s ease;
}

img.active {
  transform: scale(1.08) rotate(2deg);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.btn {
  margin-top: 20px;
  padding: 16px 36px;
  border: none;
  border-radius: 50px;
  background: linear-gradient(45deg, #f59e0b, #e11d48);
  color: white;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(225, 29, 72, 0.4);
  transition: all 0.3s ease;
}

.btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(225, 29, 72, 0.5);
}

.btn:active {
  transform: scale(0.97);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}