/* NumberGoUp Static Landing Page Stylesheet */
:root {
  --bg-primary: #0B0F19;
  --bg-secondary: #111827;
  --bg-card: #161F30;
  --bg-card-hover: #1C283E;
  --border-subtle: #243046;
  --border-focus: #F7931A;
  
  --brand-orange: #F7931A;
  --brand-orange-hover: #FFA733;
  --brand-orange-glow: rgba(247, 147, 26, 0.2);
  
  --trend-up: #10B981;
  --trend-down: #EF4444;
  
  --text-primary: #F9FAFB;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  --text-dim: #4B5563;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  
  --container-max: 1120px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 9999px;
  
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 50% 0%, rgba(247, 147, 26, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 10% 20%, rgba(17, 24, 39, 0.7) 0%, transparent 50%),
              var(--bg-primary);
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--brand-orange), #C86F04);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 900;
  font-size: 1.3rem;
  box-shadow: 0 2px 10px var(--brand-orange-glow);
}

.brand-text {
  color: var(--text-primary);
}

.brand-text span {
  color: var(--brand-orange);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-pill);
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-orange), #D97706);
  color: #FFFFFF;
  box-shadow: 0 4px 16px var(--brand-orange-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--brand-orange-hover), var(--brand-orange));
  box-shadow: 0 6px 22px rgba(247, 147, 26, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--brand-orange);
}

.btn-lg {
  padding: 0.95rem 1.8rem;
  font-size: 1.05rem;
}

.btn-store {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  background-color: #000000;
  color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.65rem 1.3rem;
  transition: var(--transition);
}

.btn-store:hover {
  border-color: var(--brand-orange);
  box-shadow: 0 4px 18px rgba(0,0,0,0.5);
  transform: translateY(-2px);
}

.btn-store-icon {
  width: 1.8rem;
  height: 1.8rem;
  flex-shrink: 0;
}

.btn-store-content {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.2;
}

.btn-store-sub {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.btn-store-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #FFFFFF;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
}

.badge-orange {
  background-color: rgba(247, 147, 26, 0.12);
  color: var(--brand-orange);
  border: 1px solid rgba(247, 147, 26, 0.25);
}

.badge-green {
  background-color: rgba(16, 185, 129, 0.12);
  color: var(--trend-up);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

/* Hero Section */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
  position: relative;
}

.hero-tag {
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: #FFFFFF;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--brand-orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 44rem;
  margin: 0 auto 2.25rem;
  line-height: 1.65;
}

.hero-cta {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 3.5rem;
}

/* Widget Mockup Showcase */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  max-width: 900px;
  margin: 0 auto;
}

.widget-mockup {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: left;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.widget-mockup:hover {
  border-color: var(--brand-orange);
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(247, 147, 26, 0.12);
}

.mockup-size-tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-orange);
  margin-bottom: 0.5rem;
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.mockup-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.mockup-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--trend-up);
  background-color: rgba(16, 185, 129, 0.15);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-family: var(--font-mono);
}

.mockup-price {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #FFFFFF;
  margin-bottom: 0.35rem;
}

.mockup-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.mockup-footer {
  margin-top: 1rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* Features Section */
.features-section {
  padding: 4.5rem 0;
  border-top: 1px solid var(--border-subtle);
}

.section-head {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 3.5rem;
}

.section-tag {
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

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

.features-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: rgba(247, 147, 26, 0.4);
  transform: translateY(-2px);
}

.feature-icon-wrap {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--radius-md);
  background: rgba(247, 147, 26, 0.1);
  border: 1px solid rgba(247, 147, 26, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-orange);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #FFFFFF;
}

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

/* Educational & Affiliate Section */
.education-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.4) 0%, rgba(11, 15, 25, 0.9) 100%);
}

.security-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 3.5rem;
}

@media (max-width: 860px) {
  .security-hero {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.security-text h2 {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: #FFFFFF;
}

.security-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  line-height: 1.65;
}

.security-points {
  list-style: none;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.security-points li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.98rem;
  color: var(--text-primary);
}

.security-points li svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--brand-orange);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

/* Ledger Affiliate Card */
.affiliate-card {
  background: linear-gradient(145deg, #182236 0%, #111827 100%);
  border: 1px solid rgba(247, 147, 26, 0.35);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(247, 147, 26, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.affiliate-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.affiliate-badge {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  background: rgba(247, 147, 26, 0.18);
  color: var(--brand-orange);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(247, 147, 26, 0.3);
}

.affiliate-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 0.85rem;
  line-height: 1.25;
}

.affiliate-body {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.affiliate-benefits {
  list-style: none;
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.affiliate-benefits li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--text-primary);
}

.affiliate-benefits li svg {
  color: var(--trend-up);
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
}

.affiliate-action {
  margin-bottom: 1.25rem;
}

.btn-affiliate {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.95rem 1.5rem;
  background: linear-gradient(135deg, var(--brand-orange), #E67E22);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: var(--radius-pill);
  transition: var(--transition);
  box-shadow: 0 4px 18px var(--brand-orange-glow);
}

.btn-affiliate:hover {
  background: linear-gradient(135deg, var(--brand-orange-hover), var(--brand-orange));
  box-shadow: 0 6px 26px rgba(247, 147, 26, 0.45);
  transform: translateY(-2px);
}

/* Compliance Disclosure Box */
.affiliate-disclosure {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
  background-color: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
}

.affiliate-disclosure strong {
  color: var(--text-secondary);
}

/* Google Play Store Compliance Banner */
.compliance-banner {
  margin-top: 3rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.compliance-icon {
  width: 1.8rem;
  height: 1.8rem;
  color: var(--brand-orange);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.compliance-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

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

/* Footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background-color: #070A11;
  padding: 3.5rem 0 2.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

@media (max-width: 720px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-disclaimer {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.footer-disclaimer strong {
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-title {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

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

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
}