/* =====================
   CSS Custom Properties
   ===================== */
:root {
  --color-primary: #4338CA;
  --color-primary-dark: #3730A3;
  --color-bg: #F8F8FF;
  --color-surface: #FFFFFF;
  --color-text: #1F2937;
  --color-text-secondary: #6B7280;
  --color-border: #E5E7EB;
  --border-radius: 16px;
  --border-radius-sm: 12px;
  --max-width: 1100px;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; }
img { max-width: 100%; display: block; }

/* =====================
   Navigation
   ===================== */
nav {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--color-text);
}

.nav-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: var(--color-text-secondary);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s;
}

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

.btn-outline {
  border: 1.5px solid var(--color-primary) !important;
  color: var(--color-primary) !important;
  padding: 7px 16px;
  border-radius: var(--border-radius-sm);
  font-weight: 600 !important;
  transition: background 0.2s, color 0.2s !important;
}

.btn-outline:hover {
  background: var(--color-primary);
  color: white !important;
}

/* =====================
   Container
   ===================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* =====================
   Hero
   ===================== */
.hero {
  text-align: center;
  padding: 88px 24px 80px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-icon {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  box-shadow: 0 8px 40px rgba(67, 56, 202, 0.25);
  margin: 0 auto 28px;
}

.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: 20px;
  color: var(--color-text);
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 20px;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto 36px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-primary);
  color: white;
  padding: 15px 28px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 16px;
  transition: background 0.2s, transform 0.15s;
  box-shadow: 0 4px 16px rgba(67, 56, 202, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  color: white;
}

.hero-badge {
  margin-top: 18px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* =====================
   Features Section
   ===================== */
.features {
  padding: 80px 24px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-title {
  text-align: center;
  font-size: 34px;
  font-weight: 700;
  margin-bottom: 52px;
  letter-spacing: -0.3px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 28px;
  transition: box-shadow 0.2s;
}

.feature-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
}

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

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.feature-card p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* =====================
   Page Header (inner pages)
   ===================== */
.page-header {
  padding: 64px 24px 52px;
  text-align: center;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.4px;
}

.page-header p {
  font-size: 18px;
  color: var(--color-text-secondary);
}

/* =====================
   Content Area (FAQ, Privacy)
   ===================== */
.content {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

/* =====================
   FAQ
   ===================== */
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 28px 0;
}

.faq-item:last-of-type { border-bottom: none; }

.faq-item h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
}

.faq-item p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

/* =====================
   Contact Box
   ===================== */
.contact-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 48px 40px;
  text-align: center;
  margin-top: 52px;
}

.contact-box h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
}

.contact-box > p {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  font-size: 16px;
}

.contact-email {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: 13px 28px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 15px;
  transition: background 0.2s;
}

.contact-email:hover {
  background: var(--color-primary-dark);
  color: white;
}

.contact-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* =====================
   Privacy Policy
   ===================== */
.privacy-meta {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.policy-section {
  margin-bottom: 40px;
}

.policy-section h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text);
}

.policy-section p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.policy-section.legal-disclaimer {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: var(--border-radius-sm);
  padding: 24px;
}

.policy-section.legal-disclaimer h2 { color: #991B1B; }

.policy-section.legal-disclaimer p {
  color: #7F1D1D;
  font-size: 13px;
  line-height: 1.75;
}

/* =====================
   Footer
   ===================== */
footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 36px 24px;
  text-align: center;
}

.footer-inner { max-width: var(--max-width); margin: 0 auto; }

.footer-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-bottom: 14px;
}

.footer-links a {
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* =====================
   Responsive
   ===================== */
@media (max-width: 768px) {
  .hero h1 { font-size: 36px; }
  .hero p { font-size: 17px; }
  .hero-icon { width: 96px; height: 96px; border-radius: 22px; }
  .features-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 26px; }
  .page-header h1 { font-size: 32px; }
  .contact-box { padding: 32px 24px; }
  .nav-links .btn-outline { display: none; }
}