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

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #000000 100%);
  min-height: 100vh;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.content {
  background: rgba(255, 255, 255, 0.95);
  padding: 60px 40px;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  text-align: center;
  animation: fadeIn 0.8s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.title {
  font-size: 3rem;
  color: #333;
  margin-bottom: 10px;
  font-weight: 700;
}

.subtitle {
  font-size: 2.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
  font-weight: 800;
}

.description {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 40px;
  line-height: 1.6;
}

.email-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.email-input {
  flex: 1;
  padding: 15px 20px;
  margin-bottom: 1rem;
  font-size: 1rem;
  border: 2px solid #e0e0e0;
  border-radius: 50px;
  outline: none;
  transition: all 0.3s ease;
}

.email-input:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.submit-btn {
  width: 50%;
  margin: 0 auto;
  padding: 15px 35px;
  font-size: 1rem;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.submit-btn:active {
  transform: translateY(0);
}

.success-message {
  display: none;
  padding: 15px;
  background: #4caf50;
  color: white;
  border-radius: 10px;
  font-weight: 500;
  animation: slideIn 0.3s ease;
}

.footer-content {
  display: flex;
  justify-content: center;
  text-align: center;
  color: #ddd;
  font-size: 0.9rem;
  margin-top: 20px;
  gap: 3rem;
}

.contact a {
  color: #000000;
  text-decoration: none;
  transition: color 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 600px) {
  .content {
    padding: 40px 25px;
  }

  .title {
    font-size: 2rem;
  }

  .subtitle {
    font-size: 2.5rem;
  }

  .description {
    font-size: 1rem;
  }

  .email-form {
    flex-direction: column;
  }

  .submit-btn {
    width: 100%;
  }
}