/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; line-height: 1.6; color: #2d3748; background: #fff; }

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

/* Header */
.header { background: #fff; border-bottom: 1px solid #e2e8f0; position: sticky; top: 0; z-index: 100; backdrop-filter: blur(8px); }
.header-content { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; }
.logo-section { display: flex; align-items: center; gap: 12px; }
.logo-placeholder { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; }
.app-info h1 { font-size: 24px; font-weight: 700; color: #1a202c; }
.app-subtitle { font-size: 14px; color: #718096; }
.nav { display: flex; gap: 32px; }
.nav-link { color: #4a5568; text-decoration: none; font-weight: 500; transition: color .2s; }
.nav-link:hover { color: #4299e1; }

/* Hero */
.hero { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: #fff; padding: 80px 0; text-align: center; }
.hero-content { max-width: 800px; margin: 0 auto; }
.hero-title { font-size: 42px; font-weight: 700; margin-bottom: 20px; line-height: 1.2; }
.hero-description { font-size: 18px; margin-bottom: 28px; opacity: .95; }
.cta-button { display: inline-block; background: #fff; color: #4299e1; padding: 14px 28px; border-radius: 8px; text-decoration: none; font-weight: 600; transition: all .2s; box-shadow: 0 4px 6px rgba(0,0,0,.12); }
.cta-button:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.18); }

/* Sections */
.contact-section, .faq-section, .privacy-section { padding: 72px 0; }
.contact-section { background: #f7fafc; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-title { font-size: 32px; font-weight: 700; color: #1a202c; margin-bottom: 12px; }
.section-description { font-size: 16px; color: #4a5568; max-width: 640px; margin: 0 auto; }

/* Contact */
.contact-content { display: grid; grid-template-columns: 1fr 2fr; gap: 48px; align-items: start; }
.contact-methods { display: flex; flex-direction: column; gap: 24px; }
.contact-method { display: flex; align-items: center; gap: 16px; padding: 20px; background: #fff; border-radius: 12px; box-shadow: 0 2px 4px rgba(0,0,0,.06); }
.contact-icon { width: 48px; height: 48px; background: #ebf8ff; border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #4299e1; flex-shrink: 0; }
.contact-method h4 { font-size: 18px; font-weight: 600; color: #1a202c; margin-bottom: 4px; }
.contact-method p { color: #4a5568; margin: 0; }

/* Form */
.contact-form { background: #fff; padding: 28px; border-radius: 12px; box-shadow: 0 4px 6px rgba(0,0,0,.06); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; color: #2d3748; margin-bottom: 8px; font-size: 14px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 14px; border: 2px solid #e2e8f0; border-radius: 8px; font-size: 16px; transition: border-color .2s; font-family: inherit; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: #4299e1; box-shadow: 0 0 0 3px rgba(66,153,225,.12); }
.form-group textarea { resize: vertical; min-height: 120px; }
.submit-button { background: #4299e1; color: #fff; border: none; padding: 14px 28px; border-radius: 8px; font-size: 16px; font-weight: 600; cursor: pointer; width: 100%; transition: all .2s; }
.submit-button:hover { background: #3182ce; transform: translateY(-1px); }

/* Success/Error Messages */
.success-message { background: #c6f6d5; color: #2f855a; padding: 16px; border-radius: 8px; margin-bottom: 20px; text-align: center; font-weight: 600; display: none; }
.success-message.show { display: block; animation: slideIn .3s ease; }
@keyframes slideIn { from { opacity: 0; transform: translateY(-10px);} to { opacity: 1; transform: translateY(0);} }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: #fff; border-radius: 12px; margin-bottom: 14px; box-shadow: 0 2px 4px rgba(0,0,0,.06); overflow: hidden; transition: box-shadow .2s; }
.faq-item:hover { box-shadow: 0 4px 12px rgba(0,0,0,.12); }
.faq-question { width: 100%; background: none; border: none; padding: 20px; text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 18px; font-weight: 600; color: #1a202c; transition: background-color .2s; }
.faq-question:hover { background: #f7fafc; }
.faq-icon { transition: transform .2s; color: #4a5568; }
.faq-item.active .faq-icon { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: all .3s ease; background: #f7fafc; }
.faq-item.active .faq-answer { max-height: 220px; padding: 0 20px 20px 20px; }
.faq-answer p { color: #4a5568; line-height: 1.6; }

/* Privacy */
.privacy-section { background: #f7fafc; }
.privacy-content { display: flex; align-items: center; gap: 28px; max-width: 800px; margin: 0 auto; background: #fff; padding: 40px; border-radius: 16px; box-shadow: 0 4px 6px rgba(0,0,0,.06); }
.privacy-icon { width: 80px; height: 80px; background: #ebf8ff; border-radius: 16px; display: flex; align-items: center; justify-content: center; color: #4299e1; flex-shrink: 0; }
.privacy-text h3 { font-size: 22px; font-weight: 700; color: #1a202c; margin-bottom: 12px; }
.privacy-text p { color: #4a5568; margin-bottom: 16px; }
.privacy-link { display: inline-block; color: #4299e1; text-decoration: none; font-weight: 600; padding: 10px 20px; border: 2px solid #4299e1; border-radius: 8px; transition: all .2s; }
.privacy-link:hover { background: #4299e1; color: #fff; }

/* Privacy Policy Content Styling */
.privacy-content-container h1 { font-size: 32px; font-weight: 700; color: #1A202C; margin-bottom: 20px; text-align: center; }
.privacy-content-container h2 { font-size: 22px; font-weight: 600; color: #1A202C; margin: 28px 0 14px; border-bottom: 2px solid #E2E8F0; padding-bottom: 6px; }
.privacy-content-container h3 { font-size: 19px; font-weight: 600; color: #2D3748; margin: 20px 0 10px; }
.privacy-content-container h4 { font-size: 17px; font-weight: 600; color: #4A5568; margin: 16px 0 8px; }
.privacy-content-container p { margin-bottom: 14px; line-height: 1.6; }
.privacy-content-container ul { margin: 14px 0; padding-left: 22px; }
.privacy-content-container li { margin-bottom: 8px; line-height: 1.5; }
.privacy-content-container strong { font-weight: 600; color: #1A202C; }
.privacy-content-container code { background: #F7FAFC; color: #4299E1; padding: 2px 6px; border-radius: 4px; font-family: Monaco, Consolas, monospace; font-size: 14px; }
.privacy-content-container a { color: #4299E1; text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .2s; }
.privacy-content-container a:hover { border-bottom-color: #4299E1; }

/* Footer */
.footer { background: #1a202c; color: #fff; padding: 40px 0 24px; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 28px; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; font-size: 18px; font-weight: 700; }
.footer-section p { color: #a0aec0; margin: 0; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.footer-column h4 { font-size: 16px; font-weight: 600; margin-bottom: 12px; color: #fff; }
.footer-column a { display: block; color: #a0aec0; text-decoration: none; margin-bottom: 8px; transition: color .2s; }
.footer-column a:hover { color: #4299e1; }
.footer-bottom { border-top: 1px solid #2d3748; padding-top: 20px; text-align: center; }
.footer-bottom p { color: #a0aec0; margin: 0; }

/* Responsive */
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .header-content { flex-direction: column; gap: 16px; text-align: center; }
  .nav { gap: 24px; }
  .hero { padding: 60px 0; }
  .hero-title { font-size: 32px; }
  .hero-description { font-size: 16px; }
  .section-title { font-size: 26px; }
  .contact-content { grid-template-columns: 1fr; gap: 28px; }
  .privacy-content { flex-direction: column; text-align: center; padding: 28px; }
  .footer-content { grid-template-columns: 1fr; gap: 28px; text-align: center; }
  .footer-links { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 26px; }
  .section-title { font-size: 22px; }
  .privacy-content { padding: 22px; }
}