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

:root {
  --bg-primary: #0a0a1a;
  --bg-secondary: #111128;
  --bg-card: #16163a;
  --text-primary: #e8e8f0;
  --text-secondary: #9d9db8;
  --text-muted: #6b6b8a;
  --accent-blue: #4f46e5;
  --accent-purple: #7c3aed;
  --accent-gradient: linear-gradient(135deg, #4f46e5, #7c3aed);
  --border-color: #1e1e4a;
  --font-stack: -apple-system, BlinkMacSystemFont, 'SF Pro Display', system-ui, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: #818cf8;
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #a5b4fc;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.15rem;
}

.header-logo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
}

/* Mobile nav */
@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 0;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 24px;
    display: block;
  }

  .mobile-nav-toggle {
    display: block;
  }
}

/* Hero Section */
.hero {
  padding: 160px 24px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.12) 0%, rgba(124, 58, 237, 0.05) 40%, transparent 70%);
  pointer-events: none;
}

.hero-icon {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  margin-bottom: 32px;
  box-shadow: 0 0 60px rgba(79, 70, 229, 0.3), 0 0 120px rgba(124, 58, 237, 0.15);
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.app-store-badge {
  display: inline-block;
  transition: opacity 0.2s;
}

.app-store-badge:hover {
  opacity: 0.85;
}

.app-store-badge svg {
  height: 54px;
  width: auto;
}

/* Features Section */
.features {
  padding: 80px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 56px;
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px 28px;
  transition: border-color 0.3s, transform 0.3s;
}

.feature-card:hover {
  border-color: rgba(79, 70, 229, 0.4);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
  display: block;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

@media (max-width: 820px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-tagline {
    font-size: 1.05rem;
  }

  .hero {
    padding: 130px 20px 70px;
  }
}

/* Privacy CTA Section */
.privacy-banner {
  padding: 80px 24px;
  text-align: center;
  position: relative;
}

.privacy-banner-inner {
  max-width: 780px;
  margin: 0 auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
}

.privacy-banner-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
}

.privacy-banner h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.privacy-banner p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}

.privacy-banner p strong {
  color: var(--text-primary);
}

@media (max-width: 540px) {
  .privacy-banner-inner {
    padding: 40px 24px;
  }

  .privacy-banner h2 {
    font-size: 1.4rem;
  }
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 24px;
  text-align: center;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 32px;
  list-style: none;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

.footer-copy {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* Policy / Support page styles */
.page-content {
  padding: 120px 24px 80px;
  max-width: 780px;
  margin: 0 auto;
}

.page-content h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.page-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 48px;
}

.page-content h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.page-content p,
.page-content li {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 12px;
}

.page-content ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.page-content li {
  margin-bottom: 6px;
}

/* FAQ Styles */
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 28px;
  margin-bottom: 16px;
}

.faq-item h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 0;
}

/* Contact box */
.contact-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  margin-top: 48px;
}

.contact-box h2 {
  margin-top: 0;
  margin-bottom: 12px;
}

.contact-box p {
  margin-bottom: 20px;
}

.contact-email {
  display: inline-block;
  padding: 12px 28px;
  background: var(--accent-gradient);
  color: #fff !important;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity 0.2s;
}

.contact-email:hover {
  opacity: 0.9;
  color: #fff !important;
}