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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  color: #333;
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.brand-link {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  opacity: 0.8;
}

/* Main Content */
.main {
  padding-top: 100px;
  padding-bottom: 4rem;
}

.support-content {
  max-width: 800px;
  margin: 0 auto;
}

.support-header {
  text-align: center;
  margin-bottom: 3rem;
}

.support-title {
  font-size: 3rem;
  font-weight: bold;
  color: white;
  margin-bottom: 1rem;
}

.support-subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
}

.support-form-container {
  background: white;
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  margin-bottom: 4rem;
}

.support-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-weight: 600;
  color: #333;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.form-input,
.form-textarea {
  padding: 1rem;
  border: 2px solid #e1e5e9;
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.3s ease;
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.btn-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.success-message {
  text-align: center;
  padding: 2rem;
  background: #f0f9ff;
  border: 2px solid #0ea5e9;
  border-radius: 12px;
  color: #0c4a6e;
}

.success-icon {
  font-size: 3rem;
  color: #10b981;
  margin-bottom: 1rem;
}

.success-message h3 {
  margin-bottom: 0.5rem;
  color: #0c4a6e;
}

/* FAQ Section */
.faq-section {
  margin-top: 4rem;
}

.faq-title {
  font-size: 2rem;
  font-weight: bold;
  color: white;
  text-align: center;
  margin-bottom: 2rem;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.faq-item {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.faq-item h3 {
  color: white;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.faq-item p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
}

/* Footer */
.footer {
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand {
  max-width: 400px;
}

.footer-title {
  color: white;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 3rem;
}

.footer-section-title {
  color: white;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.footer-link {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav {
    padding: 1rem;
  }

  .nav-links {
    gap: 1rem;
  }

  .support-title {
    font-size: 2rem;
  }

  .support-form-container {
    padding: 1.5rem;
    margin: 0 1rem 2rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-links {
    gap: 2rem;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .nav-links {
    display: none;
  }

  .support-title {
    font-size: 1.8rem;
  }

  .support-form-container {
    margin: 0 0.5rem 2rem;
    padding: 1rem;
  }
}