:root {
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-hero: linear-gradient(135deg, #091f38 0%, #103459 50%, #174b7c 100%);
  --primary: #0F67B1;
  --primary-hover: #0d5694;
  --primary-light: #e0f2fe;
  --primary-glow: rgba(15, 103, 177, 0.25);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-light: #f8fafc;
  
  --border-subtle: #e2e8f0;
  --border-focus: #cbd5e1;
  --border-hero: rgba(255, 255, 255, 0.12);
  
  --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
  --shadow-hero: 0 20px 40px -10px rgba(10, 35, 62, 0.28);
  
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  --radius-full: 9999px;
  
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* ── Container Utilities ────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Navigation Header ─────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.25s ease;
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px rgba(15, 103, 177, 0.2);
}

.brand-text-col {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--text-primary);
  line-height: 1.15;
}

.brand-tag {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-pill-subtle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid rgba(15, 103, 177, 0.15);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-pill-subtle:hover {
  background: #bae6fd;
  transform: translateY(-1px);
}

.btn-pill-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: #ffffff;
  background: var(--primary);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(15, 103, 177, 0.25);
  transition: all 0.2s ease;
}

.btn-pill-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 6px 16px rgba(15, 103, 177, 0.35);
  transform: translateY(-1px);
}

/* ── Hero Section (Contained Elite Navy Card) ───────────────────── */
.hero-wrapper {
  padding: 2rem 0 3rem;
}

.hero-card {
  position: relative;
  background: var(--bg-hero);
  border-radius: var(--radius-xl);
  padding: 3.5rem 3rem;
  color: var(--text-light);
  box-shadow: var(--shadow-hero);
  overflow: hidden;
}

/* Subtle background glowing circles */
.hero-card::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-card::after {
  content: "";
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(15, 103, 177, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero-tagline {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: #7dd3fc;
  margin-bottom: 1rem;
}

.hero-heading {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.8px;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.hero-heading span {
  background: linear-gradient(135deg, #7dd3fc 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.05rem;
  line-height: 1.65;
  color: #cbd5e1;
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-hero-launch {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.85rem;
  font-size: 1rem;
  font-weight: 700;
  color: #0c2b4d;
  background: #ffffff;
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  transition: all 0.2s ease;
}

.btn-hero-launch:hover {
  background: #f1f5f9;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.25);
}

.btn-hero-apk {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.65rem;
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-hero-apk:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: translateY(-2px);
}

/* ── Snapshot Stats Box (Frosted Glass Container) ───────────────── */
.snapshot-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-hero);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
}

.snapshot-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 0.75rem;
}

.snapshot-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: #94a3b8;
}

.snapshot-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #34d399;
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
}

.snapshot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.snapshot-stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.85rem;
  color: #94a3b8;
  margin-top: 0.25rem;
}

/* ── Section Titles ─────────────────────────────────────────────── */
.section-wrap {
  padding: 3rem 0;
}

.section-head {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 2.5rem;
}

.section-pill-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.15rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* ── 4 Numbered Track Cards (01, 02, 03, 04) ─────────────────────── */
.tracks-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.track-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  color: inherit;
}

.track-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: #cbd5e1;
}

.track-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.track-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: #ffffff;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  border-radius: var(--radius-sm);
}

.track-icon-subtle {
  font-size: 1.25rem;
  color: var(--text-muted);
}

.track-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.track-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.track-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

/* ── 4 Elite Advantages (1, 2, 3, 4) ────────────────────────────── */
.features-grid-elite {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  transition: all 0.25s ease;
}

.feature-box:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.feature-num-badge {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.feature-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ── Clean AdSense Wrapper ──────────────────────────────────────── */
.ad-container-clean {
  margin: 1.5rem auto;
  max-width: 970px;
  padding: 1rem;
  background: #ffffff;
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: center;
}

.ad-label-subtle {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

/* ── Call to Action Banner (Navy Rounded) ───────────────────────── */
.cta-banner-card {
  background: var(--bg-hero);
  border-radius: var(--radius-xl);
  padding: 3.5rem 2.5rem;
  text-align: center;
  color: #ffffff;
  box-shadow: var(--shadow-hero);
  margin: 2rem auto;
}

.cta-banner-card h2 {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 0.75rem;
}

.cta-banner-card p {
  font-size: 1.05rem;
  color: #cbd5e1;
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.cta-banner-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── Clean Collapsible Evidence Accordion ───────────────────────── */
.evidence-clean-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 2rem;
}

.evidence-clean-box summary {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  color: var(--text-primary);
  font-size: 1rem;
  list-style: none;
}

.evidence-clean-box summary::-webkit-details-marker {
  display: none;
}

.evidence-grid-subtle {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.evidence-item-subtle {
  font-size: 0.85rem;
}

.evidence-item-subtle strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.evidence-item-subtle p {
  color: var(--text-secondary);
  line-height: 1.45;
}

/* ── Minimalist Clean Footer ────────────────────────────────────── */
footer {
  background: #f1f5f9;
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0 2rem;
  margin-top: 4rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.75rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  text-decoration: none;
  transition: color 0.15s ease;
}

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

.disclaimer-box {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.footer-bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-bottom-links {
  display: flex;
  gap: 1.25rem;
}

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

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

/* ── Responsive Queries ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .tracks-grid {
    grid-template-columns: 1fr 1fr;
  }
  .evidence-grid-subtle {
    grid-template-columns: 1fr 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .hero-card {
    padding: 2.25rem 1.5rem;
  }
  .hero-heading {
    font-size: 2rem;
  }
  .tracks-grid {
    grid-template-columns: 1fr;
  }
  .features-grid-elite {
    grid-template-columns: 1fr;
  }
  .evidence-grid-subtle {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom-bar {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 540px) {
  .nav-wrap {
    padding: 0.75rem 0;
  }
  .btn-pill-subtle {
    display: none;
  }
  .hero-card {
    padding: 1.75rem 1.15rem;
    border-radius: var(--radius-md);
  }
  .hero-heading {
    font-size: 1.65rem;
    line-height: 1.25;
  }
  .hero-desc {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }
  .btn-hero-launch,
  .btn-hero-apk {
    width: 100%;
    justify-content: center;
    padding: 0.85rem 1.25rem;
    font-size: 0.95rem;
  }
  .snapshot-card {
    padding: 1.25rem 1rem;
  }
  .stat-num {
    font-size: 1.65rem;
  }
  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem 1.25rem;
  }
}

@media (max-width: 370px) {
  .hero-heading {
    font-size: 1.45rem;
  }
  .brand-name {
    font-size: 1.05rem;
  }
  .container {
    padding: 0 1rem;
  }
}