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

html, body {
  height: 100%;
  width: 100%;
  font-family: 'Arial', sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #333;
}

.container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.success-card {
  background: #fafafa;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  padding: 40px;
  max-width: 600px;
  width: 100%;
  text-align: center;
  animation: slideUp 0.6s ease-out;
}

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

.success-icon {
  font-size: 4rem;
  margin-bottom: 20px;
  animation: bounce 1s ease-in-out infinite alternate;
}

@keyframes bounce {
  from { transform: translateY(0px); }
  to { transform: translateY(-10px); }
}

h1 {
  color: #2c3e50;
  font-size: 2rem;
  margin-bottom: 20px;
  font-weight: bold;
}

.thank-you-text {
  font-size: 1.1rem;
  margin-bottom: 15px;
  color: #34495e;
  line-height: 1.6;
}

.description {
  font-size: 1rem;
  margin-bottom: 30px;
  color: #7f8c8d;
  line-height: 1.6;
}

.webinar-details {
  background: #f8f9fa;
  border-radius: 15px;
  padding: 25px;
  margin-bottom: 30px;
  text-align: left;
}

.webinar-details h2 {
  color: #2c3e50;
  font-size: 1.3rem;
  margin-bottom: 15px;
  text-align: center;
}

.detail-item {
  margin-bottom: 10px;
  font-size: 1rem;
  color: #34495e;
}

.cta-section {
  margin-bottom: 25px;
}

.cta-section h3 {
  color: #2c3e50;
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.whatsapp-btn {
  display: inline-block;
  background: linear-gradient(45deg, #25d366, #128c7e);
  color: white;
  text-decoration: none;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.warning {
  background: #fff3cd;
  border: 1px solid #ffeaa7;
  border-radius: 10px;
  padding: 15px;
  margin-bottom: 25px;
  color: #856404;
  font-size: 1rem;
}

.footer {
  border-top: 1px solid #eee;
  padding-top: 20px;
  margin-top: 20px;
}

.footer p {
  color: #7f8c8d;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .success-card {
    padding: 25px;
    margin: 10px;
  }
  
  h1 {
    font-size: 1.5rem;
  }
  
  .success-icon {
    font-size: 3rem;
  }
  
  .whatsapp-btn {
    padding: 12px 25px;
    font-size: 1rem;
  }
}