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

body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  background-color: #f4f4f4;
  color: #333;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}


header {
  text-align: center;
  padding: 2rem 0;
  background-color: #fff;
  margin-bottom: 2rem;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h1 {
  color: #2c3e50;
  font-size: 2.5rem;
}


.event-info {
  background-color: #fff;
  padding: 2rem;
  margin-bottom: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h2 {
  color: #2c3e50;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}


.button {
  display: inline-block;
  padding: 12px 24px;
  background-color: #3498db;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.button:hover {
  background-color: #2980b9;
}


.form-container {
  max-width: 800px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: bold;
  color: #2c3e50;
}

input {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

input:focus {
  outline: none;
  border-color: #3498db;
}

button[type="submit"] {
  width: 100%;
  padding: 12px;
  background-color: #3498db;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s ease;
}

button[type="submit"]:hover {
  background-color: #2980b9;
}


.status-message {
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 4px;
  display: none;
}

.status-message.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.status-message.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}


.spinner {
  width: 40px;
  height: 40px;
  margin: 1rem auto;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #3498db;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}


.form-disabled {
  opacity: 0.7;
  pointer-events: none;
}


@media (max-width: 768px) {
  .container {
    padding: 10px;
  }
  
  .form-container {
    margin: 1rem;
    padding: 1rem;
  }
  
  h1 {
    font-size: 2rem;
  }
}

.benefits-list {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

.benefits-list li {
  margin-bottom: 0.5rem;
  color: #2c3e50;
}


.registration-info {
  background-color: #f8f9fa;
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 8px;
  border-left: 4px solid #3498db;
}

.registration-info p {
  margin-bottom: 1rem;
}

.registration-info strong {
  color: #2c3e50;
}


.closing-note {
  font-style: italic;
  color: #666;
  border-top: 1px solid #eee;
  padding-top: 1.5rem;
  margin-top: 2rem;
}


.button {
  display: inline-block;
  padding: 12px 24px;
  background-color: #3498db;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.3s ease;
  text-align: center;
  font-weight: bold;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.button:hover {
  background-color: #2980b9;
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(0,0,0,0.15);
}