:root {
  --primary: #0EA5E9;
  --primary-dark: #0284C7;
  --accent-purple: #A855F7;
  --accent-pink: #EC4899;
  --success: #10B981;
  --bg: #FAFAFA;
  --bg-dark: #0F172A;
  --text: #1E293B;
  --text-light: #64748B;
  --text-dark-mode: #E2E8F0;
  --card-bg: #FFFFFF;
  --card-bg-dark: #1E293B;
  --radius: 16px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-color-scheme: dark) {
  body {
    background: var(--bg-dark);
    color: var(--text-dark-mode);
  }
  .card {
    background: var(--card-bg-dark);
  }
  .hero {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  }
  footer {
    background: #0F172A;
    border-top-color: #334155;
  }
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-purple) 50%, var(--accent-pink) 100%);
  color: white;
  text-align: center;
  padding: 80px 24px 60px;
}

.hero-icon {
  font-size: 72px;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.hero .tagline {
  font-size: 20px;
  opacity: 0.9;
  margin-bottom: 32px;
}

.badge-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
}

/* App Store Button */
.app-store-btn {
  display: inline-block;
  margin-top: 24px;
  padding: 14px 32px;
  background: white;
  color: var(--text);
  text-decoration: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.app-store-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

/* Features */
.features {
  padding: 80px 24px;
}

.features h2 {
  text-align: center;
  font-size: 32px;
  margin-bottom: 48px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.card-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.card p {
  color: var(--text-light);
  font-size: 15px;
}

/* Privacy section */
.privacy-highlight {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: white;
  padding: 80px 24px;
  text-align: center;
}

.privacy-highlight h2 {
  font-size: 32px;
  margin-bottom: 16px;
}

.privacy-highlight p {
  font-size: 18px;
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto;
}

/* Footer */
footer {
  text-align: center;
  padding: 40px 24px;
  border-top: 1px solid #E2E8F0;
  color: var(--text-light);
  font-size: 14px;
}

footer a {
  color: var(--primary);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 16px;
}

/* Legal pages */
.legal {
  padding: 60px 24px;
}

.legal h1 {
  font-size: 36px;
  margin-bottom: 8px;
}

.legal .updated {
  color: var(--text-light);
  margin-bottom: 32px;
  font-size: 14px;
}

.legal h2 {
  font-size: 22px;
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal p, .legal ul {
  margin-bottom: 16px;
  color: var(--text-light);
}

.legal ul {
  padding-left: 24px;
}

.legal li {
  margin-bottom: 8px;
}

/* Support page */
.faq-item {
  margin-bottom: 24px;
}

.faq-item h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.faq-item p {
  color: var(--text-light);
  font-size: 15px;
}

.contact-box {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px;
  margin-top: 40px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

@media (prefers-color-scheme: dark) {
  .contact-box {
    background: var(--card-bg-dark);
  }
}

.contact-box a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

/* Language selector */
.lang-selector {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--card-bg);
  border-radius: 12px;
  padding: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  z-index: 100;
}

@media (prefers-color-scheme: dark) {
  .lang-selector {
    background: var(--card-bg-dark);
  }
}

.lang-selector select {
  border: none;
  background: transparent;
  font-size: 14px;
  padding: 4px 8px;
  color: inherit;
  cursor: pointer;
}

/* Responsive */
@media (max-width: 640px) {
  .hero h1 {
    font-size: 32px;
  }
  .hero .tagline {
    font-size: 16px;
  }
  .features h2, .privacy-highlight h2 {
    font-size: 24px;
  }
}