:root {
  --bg-primary: #070d17;
  --bg-surface: #0e1726;
  --bg-surface-elevated: #152238;
  --bg-surface-card: rgba(21, 34, 56, 0.7);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: #3b82f6;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-glow: rgba(59, 130, 246, 0.25);
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.2);
  --warning: #f59e0b;
  --danger: #ef4444;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --max-width: 1140px;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 50% 0%, #15233c 0%, #070d17 65%);
  background-attachment: fixed;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: #60a5fa;
  text-decoration: underline;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* Header & Nav */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 13, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-main);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
}

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

.btn-header {
  padding: 8px 16px;
  background: var(--primary);
  color: #fff !important;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 4px 14px var(--primary-glow);
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn-header:hover {
  background: var(--primary-hover);
  text-decoration: none;
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

h1.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

p.hero-sub {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn-googleplay {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.btn-googleplay:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
}

.btn-googleplay svg {
  width: 26px;
  height: 26px;
}

.play-text {
  text-align: left;
  line-height: 1.2;
}

.play-text span {
  display: block;
  font-size: 0.72rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.play-text strong {
  font-size: 1.05rem;
  font-weight: 700;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  text-decoration: none;
}

/* Feature Grid */
.section {
  padding: 70px 0;
}

.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}

.section-tag {
  color: var(--primary);
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(59, 130, 246, 0.4);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.card-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* App Mockup / Feature Showcase */
.showcase {
  background: linear-gradient(180deg, rgba(21, 34, 56, 0.4) 0%, rgba(7, 13, 23, 0.8) 100%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 80px 0;
}

.showcase-wrap {
  display: flex;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
}

.showcase-content {
  flex: 1;
  min-width: 320px;
}

.showcase-phone {
  flex: 1;
  min-width: 300px;
  display: flex;
  justify-content: center;
}

.phone-frame {
  width: 290px;
  background: #000;
  border: 8px solid #1e293b;
  border-radius: 40px;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 40px rgba(59, 130, 246, 0.15);
  padding: 18px 14px;
  position: relative;
}

.phone-screen {
  background: #0B1220;
  border-radius: 28px;
  padding: 24px 16px;
  text-align: center;
  color: #fff;
  min-height: 440px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.phone-scanner {
  width: 140px;
  height: 180px;
  border: 2px dashed #3b82f6;
  border-radius: 70px;
  margin: 30px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  animation: pulse 2.5s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
  70% { box-shadow: 0 0 0 16px rgba(59, 130, 246, 0); }
  100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

.feature-list {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-list-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Privacy Guarantee Banner */
.privacy-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  margin: 40px 0;
}

.privacy-banner h3 {
  font-size: 1.6rem;
  margin-bottom: 12px;
  color: #fff;
}

.privacy-banner p {
  color: #cbd5e1;
  margin-bottom: 20px;
  max-width: 800px;
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px 24px;
}

.faq-q {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.faq-a {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Legal & Policy Pages (Privacy & Terms) */
.legal-header {
  padding: 50px 0 30px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 40px;
}

.legal-title {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.legal-meta {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.legal-body {
  max-width: 840px;
  margin: 0 auto;
  padding-bottom: 80px;
}

.legal-section {
  margin-bottom: 36px;
}

.legal-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: #fff;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 8px;
}

.legal-section h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 20px 0 10px;
  color: #e2e8f0;
}

.legal-section p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 14px;
}

.legal-section ul {
  list-style: disc;
  padding-left: 24px;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.highlight-box {
  background: rgba(59, 130, 246, 0.08);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin: 20px 0;
}

.danger-box {
  background: rgba(239, 68, 68, 0.08);
  border-left: 4px solid var(--danger);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin: 20px 0;
}

.table-wrap {
  overflow-x: auto;
  margin: 20px 0;
}

table.legal-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

table.legal-table th,
table.legal-table td {
  padding: 12px 16px;
  border: 1px solid var(--border-subtle);
}

table.legal-table th {
  background: var(--bg-surface-elevated);
  color: var(--text-main);
  font-weight: 600;
}

table.legal-table td {
  color: var(--text-muted);
  background: var(--bg-surface-card);
}

/* Footer */
footer.site-footer {
  margin-top: auto;
  background: #040810;
  border-top: 1px solid var(--border-subtle);
  padding: 50px 0 30px;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand {
  max-width: 340px;
}

.footer-brand .brand {
  margin-bottom: 12px;
}

.footer-links-group {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-col h4 {
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.footer-col a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
}

/* Summary & Fact Grid for GEO */
.summary-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
}

.lead-text {
  font-size: 1.15rem;
  color: #cbd5e1;
  line-height: 1.7;
  margin-bottom: 24px;
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.fact-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.fact-item strong {
  color: var(--text-main);
}

/* How It Works Steps for AEO */
.step-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.step-card {
  background: var(--bg-surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.step-card:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.4);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Breadcrumb nav */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.breadcrumbs a {
  color: var(--text-muted);
}

.breadcrumbs a:hover {
  color: var(--primary);
}

.breadcrumbs span.current {
  color: var(--text-main);
  font-weight: 600;
}

@media (max-width: 768px) {
  h1.hero-title {
    font-size: 2.2rem;
  }
  .nav-links {
    display: none;
  }
  .showcase-wrap {
    flex-direction: column;
  }
  .footer-top {
    flex-direction: column;
  }
}