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

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --bg: #0d0d1a;
  --surface: #1a1828;
  --border: rgba(255, 255, 255, 0.1);
  --text: #eef0f8;
  --text-muted: rgba(238, 240, 248, 0.6);
  --accent: #8b5cf6;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
.nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.nav-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

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

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
}

/* Container */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 3rem 0 4rem;
}

.logo {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  color: white;
  margin: 0 auto 1.5rem;
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.3);
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.tagline {
  font-size: 1.25rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Page Header */
.page-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 2rem;
  margin-bottom: 3rem;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Content Sections */
.intro, .content {
  margin-bottom: 3rem;
}

.intro h2, .content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
  margin-top: 2.5rem;
}

.intro h2:first-child, .content h2:first-child {
  margin-top: 0;
}

.content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.intro p, .content p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.content ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
}

.content li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.content a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}

.content a:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* Features Grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.feature-card p {
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* CTA Section */
.cta {
  text-align: center;
  padding: 3rem 0;
  background: var(--surface);
  border-radius: 20px;
  margin: 3rem 0;
  border: 1px solid var(--border);
}

.cta h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cta p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

/* Support Page */
.support-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 3rem;
}

.contact-method {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.contact-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.email-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
}

.email-link:hover {
  text-decoration: underline;
}

.help-text {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

/* FAQ Items */
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.faq-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  margin-top: 0;
  color: var(--text);
}

.faq-item p {
  color: var(--text-muted);
  margin: 0;
  line-height: 1.6;
}

.faq-item a {
  color: var(--primary);
  text-decoration: none;
}

.faq-item a:hover {
  text-decoration: underline;
}

/* Legal Content (Privacy Policy) */
.legal {
  font-size: 0.95rem;
}

.legal h2 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.legal h2:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.legal h3 {
  font-size: 1.15rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

/* Footer */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  margin-top: 4rem;
  color: var(--text-muted);
}

.footer p {
  margin: 0.5rem 0;
}

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

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

.footer-links {
  margin-top: 1rem;
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

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

  .nav-links {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .container {
    padding: 2rem 1rem;
  }

  .hero h1, .page-header h1 {
    font-size: 2rem;
  }

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

  .contact-method {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    flex-direction: column;
    gap: 0.5rem;
  }
}