/* ===================================
   CRYPTO CLOUD MINER APP - MODERN LANDING PAGE
   ===================================*/

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* CSS Variables for Colors and Spacing */
:root {
  /* Brand Colors */
  --primary: #6c5ce7;
  --secondary: #fd79a8;
  --success: #007755;
  --info: #00cec9;
  --warning: #fdcb6e;
  --danger: #e17055;
  --dark: #2d3436;
  --light: #ddd;
  
  /* Crypto Gradients */
  --crypto-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gold-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --bitcoin-gradient: linear-gradient(135deg, #f7931e 0%, #ac6400 100%);
  --ethereum-gradient: linear-gradient(135deg, #3c3c3d 0%, #8e8e93 100%);
  
  /* Background Colors */
  --bg-primary: #f8f9fa;
  --bg-dark: #1e1e2e;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-overlay: rgba(0, 0, 0, 0.5);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Spacing */
  --spacer: 1rem;
  --spacer-xs: 0.25rem;
  --spacer-sm: 0.5rem;
  --spacer-md: 0.75rem;
  --spacer-lg: 1.5rem;
  --spacer-xl: 2rem;
  --spacer-2xl: 2.5rem;
  --spacer-3xl: 3rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(108, 92, 231, 0.4);
  
  /* Transitions */
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Border Radius */
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--dark);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacer-md);
  color: var(--dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacer-md);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  color: #5a4fcf;
  text-decoration: underline;
}

a:focus {
  outline: 2px solid #fdcb6e;
  outline-offset: 2px;
}

/* Lists */
ul, ol {
  padding-left: var(--spacer-lg);
  margin-bottom: var(--spacer-md);
}

ul li, ol li {
  margin-bottom: var(--spacer-xs);
}

ul li:last-child, ol li:last-child {
  margin-bottom: 0;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 0;
  border-radius: var(--border-radius);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn:focus {
  outline: 2px solid #fdcb6e;
  outline-offset: 2px;
  box-shadow: 0 0 0 0.2rem rgba(108, 92, 231, 0.25);
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
  color: white;
}

.btn-gold {
  background: var(--bitcoin-gradient);
  color: white;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(247, 147, 30, 0.6), var(--shadow-lg);
  color: white;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid var(--primary);
  color: var(--primary);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Grid System */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -0.75rem;
}

.col-md-3 {
  flex: 0 0 25%;
  max-width: 25%;
  padding: 0 0.75rem;
}

.col-md-6 {
  flex: 0 0 50%;
  max-width: 50%;
  padding: 0 0.75rem;
}

.col-lg-4 {
  flex: 0 0 33.333333%;
  max-width: 33.333333%;
  padding: 0 0.75rem;
}

/* Header Styles */
.foi-header {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  border-bottom: 1px solid #e2e8f0;
}

.landing-header {
  position: relative;
  z-index: 2;
}

.navbar {
  background: rgba(255, 255, 255, 1);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-lg);
  padding: 1rem 2rem;
  margin-bottom: var(--spacer-3xl);
  border: 2px solid rgba(108, 92, 231, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.navbar-brand img {
  transition: var(--transition-base);
}

.navbar-brand img:hover {
  transform: scale(1.05);
}

.header-content {
  position: relative;
  z-index: 3;
}

.header-content h1 {
  color: white;
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--spacer-xl);
  text-shadow: 0 6px 30px rgba(0, 0, 0, 0.8), 0 2px 6px rgba(0, 0, 0, 0.6);
  animation: fadeInUp 1s ease-out;
}

.header-content p,
.header-content ul {
  color: white;
  font-size: 1.1rem;
  margin-bottom: var(--spacer-lg);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 2px 6px rgba(0, 0, 0, 0.6);
}

.header-content h2 {
  color: white;
  font-size: 1.75rem;
  margin-top: var(--spacer-2xl);
  margin-bottom: var(--spacer-lg);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 2px 6px rgba(0, 0, 0, 0.6);
}

.header-content ul li {
  margin-bottom: var(--spacer-sm);
  position: relative;
  padding-left: 1.5rem;
}

.header-content ul li::before {
  content: '⚡';
  position: absolute;
  left: 0;
  top: 0;
  font-size: 1.2rem;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Cards and Sections */
.py-5 {
  padding: var(--spacer-5xl) 0;
}

.mb-5 {
  margin-bottom: var(--spacer-5xl);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: var(--spacer-5xl);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--crypto-gradient);
  border-radius: 2px;
}



/* Feature Cards */
.col-lg-4 {
  margin-bottom: var(--spacer-lg);
}

.col-lg-4 h5 {
  color: var(--primary);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: var(--spacer-sm);
  position: relative;
  padding-left: 2rem;
}

.col-lg-4 h5::before {
  content: '💎';
  position: absolute;
  left: 0;
  top: 0;
  font-size: 1.2rem;
}

.col-lg-4 p {
  color: #4a5568;
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: var(--spacer-lg);
}

/* Footer */
.foi-footer {
  background: linear-gradient(135deg, #2d3436 0%, #1e1e2e 100%);
  color: white;
  position: relative;
  overflow: hidden;
}


.footer-widget-area {
  padding: var(--spacer-5xl) 0 var(--spacer-3xl);
}

.font-os {
  font-family: var(--font-heading);
}

.font-weight-semibold {
  font-weight: 600;
}

.mb3 {
  margin-bottom: var(--spacer-md);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

.flex-column {
  flex-direction: column;
}

.nav-item {
  margin-bottom: var(--spacer-xs);
}

.nav-link {
  display: block;
  padding: 0.25rem 0;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition-base);
}

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

.nav-link:focus {
  outline: 2px solid #fdcb6e;
  outline-offset: 2px;
}

.text-reset {
  color: inherit;
}

/* App Download Button */
.btn-app-download {
  display: inline-block;
  transition: var(--transition-base);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.btn-app-download:focus {
  outline: 2px solid #fdcb6e;
  outline-offset: 2px;
}

.btn-app-download img {
  transition: var(--transition-base);
  cursor: pointer;
  border-radius: var(--border-radius);
}

.btn-app-download img:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
}

/* Privacy Policy Styles */
.privacy-header {
  background: #ffffff;
  padding: var(--spacer-lg) 0;
  position: relative;
  border-bottom: 1px solid #e2e8f0;
}


.privacy-header .navbar {
  background: transparent;
  padding: 1rem 2rem;
  position: relative;
  z-index: 2;
}

.privacy-header .nav-link {
  color: var(--dark) !important;
  font-weight: 500;
  transition: var(--transition-base);
}

.privacy-header .nav-link:hover {
  color: var(--primary) !important;
  transform: translateY(-1px);
}

.privacy-main {
  padding: var(--spacer-3xl) 0;
}

.privacy-header-section {
  margin-bottom: var(--spacer-3xl);
}

.important-notice {
  display: flex;
  align-items: flex-start;
  gap: var(--spacer-md);
  padding: var(--spacer-lg);
  background: rgba(253, 203, 110, 0.1);
  border: 1px solid rgba(253, 203, 110, 0.3);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacer-2xl);
}

.important-notice i {
  color: var(--warning);
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.important-notice div {
  color: var(--dark);
  line-height: 1.6;
}

.privacy-policy {
  max-width: none;
  margin: 0;
  padding: var(--spacer-lg) 0;
}

.policy-header {
  text-align: center;
  margin-bottom: var(--spacer-3xl);
  padding-bottom: var(--spacer-lg);
  border-bottom: 2px solid rgba(108, 92, 231, 0.1);
}

.policy-header h1 {
  color: var(--primary);
  margin-bottom: var(--spacer-md);
  font-size: 2.5rem;
}

.last-updated {
  color: #6c757d;
  font-size: 0.9rem;
  margin: 0;
  font-style: italic;
}

.toc-section {
  background: rgba(108, 92, 231, 0.05);
  border-radius: var(--border-radius-lg);
  padding: var(--spacer-lg);
  margin-bottom: var(--spacer-3xl);
}

.toc-section h3 {
  color: var(--primary);
  margin-bottom: var(--spacer-md);
  font-size: 1.25rem;
}

.privacy-toc ol {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacer-sm);
  margin: 0;
  padding-left: 0;
  list-style: none;
  counter-reset: toc-counter;
}

.privacy-toc li {
  counter-increment: toc-counter;
  margin-bottom: var(--spacer-xs);
}

.privacy-toc li::before {
  content: counter(toc-counter) ". ";
  font-weight: 700;
  color: var(--primary);
}

.privacy-toc a {
  color: var(--dark);
  text-decoration: none;
  transition: var(--transition-base);
  padding: var(--spacer-xs) 0;
  display: block;
}

.privacy-toc a:hover {
  color: var(--primary);
  padding-left: var(--spacer-sm);
}

.privacy-policy section {
  margin-bottom: var(--spacer-3xl);
  scroll-margin-top: 2rem;
}

.privacy-policy h1 {
  text-align: center;
  color: var(--primary);
  margin-bottom: var(--spacer-2xl);
  font-size: 2.5rem;
}

.privacy-policy h2 {
  color: var(--dark);
  margin-top: var(--spacer-2xl);
  margin-bottom: var(--spacer-lg);
  padding-bottom: var(--spacer-sm);
  border-bottom: 2px solid rgba(108, 92, 231, 0.1);
  position: relative;
}

.privacy-policy h2 i {
  color: var(--primary);
  margin-right: var(--spacer-sm);
}

.privacy-policy p {
  color: #4a5568;
  line-height: 1.8;
  margin-bottom: var(--spacer-lg);
}

.privacy-policy ul {
  color: #4a5568;
  line-height: 1.8;
  margin-bottom: var(--spacer-lg);
}

.privacy-policy ul li {
  margin-bottom: var(--spacer-sm);
}

.privacy-policy strong {
  color: var(--dark);
}

.privacy-policy i {
  margin-right: var(--spacer-xs);
  color: var(--primary);
}

.privacy-policy a {
  color: var(--primary);
  font-weight: 500;
}

.privacy-policy a:hover {
  color: #5a4fcf;
  text-decoration: underline;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--crypto-gradient);
  color: white;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 1.25rem;
  cursor: pointer;
  display: none;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-base);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow), var(--shadow-xl);
}

/* Footer Enhancements for Privacy Page */
.download-footer {
  margin-top: var(--spacer-lg);
}

.download-footer .btn-app-download {
  max-width: 180px;
  height: auto;
}

/* Animations */
@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  0% {
    opacity: 0;
    transform: translateX(-30px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

.header-content > * {
  animation: fadeInUp 1s ease-out;
}

.header-content > *:nth-child(2) { animation-delay: 0.2s; }
.header-content > *:nth-child(3) { animation-delay: 0.4s; }
.header-content > *:nth-child(4) { animation-delay: 0.6s; }

/* Hero Section Enhancements */
.hero-subtitle {
  color: white;
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: var(--spacer-2xl);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 2px 6px rgba(0, 0, 0, 0.6);
  animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-features {
  margin-bottom: var(--spacer-3xl);
}

.feature-highlight {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacer-lg);
  padding: var(--spacer-md);
  background: rgba(255, 255, 255, 0.25);
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  animation: slideInLeft 0.8s ease-out both;
}

.feature-highlight:nth-child(1) { animation-delay: 0.5s; }
.feature-highlight:nth-child(2) { animation-delay: 0.7s; }
.feature-highlight:nth-child(3) { animation-delay: 0.9s; }

.feature-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-base);
}

.feature-highlight:hover::before {
  left: 100%;
}

.feature-highlight:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateX(8px) scale(1.02);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.feature-highlight i {
  font-size: 1.5rem;
  margin-right: var(--spacer-md);
  color: #fdcb6e;
  min-width: 24px;
  animation: pulse 2s ease-in-out infinite alternate;
  transition: var(--transition-base);
}

.feature-highlight:hover i {
  transform: scale(1.2) rotate(10deg);
  color: #f39c12;
}

.feature-highlight div strong {
  display: block;
  font-weight: 700;
  margin-bottom: var(--spacer-xs);
}

.feature-highlight div span {
  font-size: 0.9rem;
  opacity: 0.9;
}

.hero-cta {
  margin-bottom: var(--spacer-3xl);
  animation: fadeInUp 1s ease-out 1.1s both;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
  margin: 0 var(--spacer-sm) var(--spacer-md) 0;
}

.hero-stats {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacer-2xl);
  padding: var(--spacer-lg);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-stats .stat {
  text-align: center;
  flex: 1;
}

.hero-stats .stat strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fdcb6e;
  margin-bottom: var(--spacer-xs);
}

.hero-stats .stat span {
  font-size: 0.875rem;
  opacity: 0.9;
}

.support-text {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.support-text i {
  margin-right: var(--spacer-xs);
  color: #fdcb6e;
}

/* App Showcase */
.app-showcase {
  position: relative;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-container {
  position: relative;
  display: inline-block;
  animation: float 3s ease-in-out infinite;
}

.phone-frame {
  position: relative;
  width: 260px;
  height: 520px;
  background: linear-gradient(145deg, #1f1f1f 0%, #2c2c2c 100%);
  border-radius: 32px;
  padding: 20px 10px;
  box-shadow: 
    0 0 0 2px rgba(255, 255, 255, 0.1),
    0 20px 40px rgba(0, 0, 0, 0.4),
    inset 0 2px 4px rgba(255, 255, 255, 0.1);
  z-index: 2;
}

.phone-frame::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: #333;
  border-radius: 2px;
}

.phone-frame::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 4px;
  background: #333;
  border-radius: 2px;
}

#screenshotCarousel {
  height: 480px;
  border-radius: 22px;
  overflow: hidden;
  background: #000;
}

.app-screenshot {
  height: 480px;
  object-fit: cover;
  border-radius: 22px;
}

.carousel-indicators {
  bottom: -40px;
  margin-bottom: 0;
}

.carousel-indicators button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 0;
  background-color: rgba(255, 255, 255, 0.3);
  margin: 0 4px;
}

.carousel-indicators button.active {
  background-color: var(--primary);
  transform: scale(1.2);
}

.carousel-control-prev,
.carousel-control-next {
  width: 30px;
  height: 60px;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.3);
  border: none;
  opacity: 0;
  transition: var(--transition-base);
}

.phone-frame:hover .carousel-control-prev,
.phone-frame:hover .carousel-control-next {
  opacity: 1;
}

.carousel-control-prev {
  left: -15px;
}

.carousel-control-next {
  right: -15px;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  width: 16px;
  height: 16px;
}

.app-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse-glow 2s ease-in-out infinite alternate;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
  0% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

/* Enhanced Section Styles */
.section-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: #4a5568;
  margin-bottom: var(--spacer-3xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.feature-grid {
  margin-top: var(--spacer-3xl);
}

.feature-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  padding: var(--spacer-2xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15), 0 0 30px rgba(108, 92, 231, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.feature-icon {
  width: 90px;
  height: 90px;
  margin: 0 auto var(--spacer-lg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: white;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  transition: var(--transition-base);
  position: relative;
}

.feature-icon.bitcoin {
  background: var(--bitcoin-gradient);
}

.feature-icon.ethereum {
  background: var(--ethereum-gradient);
}

.feature-icon.lottery {
  background: var(--gold-gradient);
}

.feature-icon.coins {
  background: var(--primary);
}

.feature-icon.referral {
  background: linear-gradient(135deg, #007755 0%, #00cec9 100%);
}

.feature-icon.exchange {
  background: linear-gradient(135deg, #fd79a8 0%, #fdcb6e 100%);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotateY(10deg);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.feature-card h5 {
  color: var(--dark);
  font-weight: 700;
  margin-bottom: var(--spacer-md);
}

.feature-card p {
  color: #4a5568;
  line-height: 1.6;
  margin-bottom: auto;
}

.feature-benefit {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: auto;
  padding: var(--spacer-sm) var(--spacer-md);
  background: linear-gradient(135deg, rgba(0, 184, 148, 0.1), rgba(0, 206, 201, 0.1));
  border-radius: var(--border-radius);
  color: var(--success);
  font-weight: 600;
  font-size: 0.875rem;
  border: 1px solid rgba(0, 184, 148, 0.2);
  transition: var(--transition-base);
}

.feature-card:hover .feature-benefit {
  background: linear-gradient(135deg, rgba(0, 184, 148, 0.2), rgba(0, 206, 201, 0.2));
  border-color: rgba(0, 184, 148, 0.4);
  transform: scale(1.05);
}

.feature-benefit i {
  margin-right: var(--spacer-xs);
  color: #007755;
}

/* Statistics Section */
.stats-section {
  background: #ffffff;
  position: relative;
  padding: var(--spacer-3xl) 0;
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
}


.stats-section .section-title {
  color: var(--dark);
}

.stats-section .section-subtitle {
  color: #4a5568;
  font-size: 1.1rem;
  margin-bottom: 0;
}

.stats-grid {
  position: relative;
  z-index: 2;
}

.stat-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-xl);
  padding: var(--spacer-2xl);
  text-align: center;
  height: 100%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: var(--transition-base);
}

.stat-card:hover::before {
  left: 100%;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.stat-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacer-lg);
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  box-shadow: 0 8px 20px rgba(108, 92, 231, 0.3);
  transition: var(--transition-base);
}

.stat-card:hover .stat-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 30px rgba(108, 92, 231, 0.4);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--spacer-xs);
  font-family: var(--font-heading);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.stat-label {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: var(--spacer-sm);
}

.stat-unit {
  font-size: 1rem;
  color: #4a5568;
  font-weight: 500;
  margin-bottom: var(--spacer-sm);
}

.stat-trend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacer-xs);
  padding: var(--spacer-xs) var(--spacer-sm);
  background: rgba(0, 184, 148, 0.1);
  border-radius: var(--border-radius);
  color: var(--success);
  font-weight: 600;
  font-size: 0.85rem;
  margin-top: auto;
}

.stat-trend i {
  font-size: 1rem;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

/* Download Section */
.download-section {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  margin: var(--spacer-3xl) var(--spacer-lg);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.download-stats {
  display: flex;
  gap: var(--spacer-lg);
  margin-top: var(--spacer-xl);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--spacer-sm);
}

.stat-item i {
  font-size: 1.25rem;
  color: var(--primary);
  width: 20px;
}

.stat-item strong {
  display: block;
  font-weight: 700;
  color: var(--dark);
}

.stat-item span {
  font-size: 0.875rem;
  color: #4a5568;
}

.download-button {
  margin-bottom: var(--spacer-lg);
}

.btn-app-download {
  cursor: pointer;
  transition: var(--transition-base);
  border-radius: var(--border-radius);
}

.btn-app-download:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.download-note {
  color: #4a5568;
  font-size: 0.9rem;
  margin: 0;
}

.download-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacer-lg);
}

.download-button-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacer-md);
  justify-content: center;
  align-items: center;
}

.btn-app-download.coming-soon {
  opacity: 0.6;
  filter: grayscale(0.3);
  cursor: not-allowed;
  position: relative;
}

.btn-app-download.coming-soon::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius);
  pointer-events: none;
}

.availability-badges {
  display: flex;
  gap: var(--spacer-lg);
  flex-wrap: wrap;
  justify-content: center;
}

.badge-item {
  display: flex;
  align-items: center;
  gap: var(--spacer-xs);
  padding: var(--spacer-xs) var(--spacer-sm);
  border-radius: var(--border-radius);
  font-size: 0.85rem;
  font-weight: 500;
}

.badge-item.available {
  color: var(--success);
  background: rgba(0, 184, 148, 0.1);
  border: 1px solid rgba(0, 184, 148, 0.2);
}

.badge-item.coming-soon-text {
  color: #4a5568;
  background: rgba(74, 85, 104, 0.15);
  border: 1px solid rgba(74, 85, 104, 0.25);
}

.badge-item i {
  font-size: 1rem;
}

/* Enhanced Privacy Policy Styles */

/* Reading Progress Bar */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(108, 92, 231, 0.1);
  z-index: 1000;
}

.progress-bar {
  height: 100%;
  background: var(--primary);
  width: 0%;
  transition: width 0.3s ease;
}

/* Sticky TOC */
.toc-wrapper {
  top: 20px !important;
}

.toc-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-xl);
  padding: var(--spacer-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(108, 92, 231, 0.2);
  margin-bottom: var(--spacer-lg);
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

/* Custom scrollbar for TOC */
.toc-card::-webkit-scrollbar {
  width: 6px;
}

.toc-card::-webkit-scrollbar-track {
  background: rgba(108, 92, 231, 0.1);
  border-radius: 3px;
}

.toc-card::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}

.toc-card::-webkit-scrollbar-thumb:hover {
  background: #5a4fcf;
}

.toc-card h3 {
  color: var(--dark);
  font-size: 1.1rem;
  margin-bottom: var(--spacer-md);
  font-weight: 700;
}

.privacy-toc {
  position: relative;
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc-counter;
}

.privacy-toc li {
  counter-increment: toc-counter;
  margin-bottom: var(--spacer-xs);
}

.toc-link {
  display: flex;
  align-items: center;
  padding: var(--spacer-xs) var(--spacer-sm);
  color: #4a5568;
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: var(--transition-base);
  font-size: 0.9rem;
  position: relative;
  line-height: 1.4;
}

.toc-link::before {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  margin-right: var(--spacer-sm);
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toc-link:hover,
.toc-link.active {
  background: rgba(108, 92, 231, 0.1);
  color: var(--primary);
  transform: translateX(5px);
}

.toc-link:hover::before,
.toc-link.active::before {
  background: #fdcb6e;
  color: var(--dark);
  transform: scale(1.1);
  box-shadow: 0 4px 8px rgba(253, 203, 110, 0.4);
}

.toc-link.active {
  background: rgba(108, 92, 231, 0.15);
}

.toc-link.active::before {
  background: #fdcb6e;
  color: var(--dark);
  box-shadow: 0 4px 12px rgba(253, 203, 110, 0.6);
}

/* Policy Section Cards */
.policy-section {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.policy-section.animate-fade-in {
  opacity: 1;
  transform: translateY(0);
}

.section-card {
  padding: var(--spacer-lg) var(--spacer-2xl);
  transition: var(--transition-base);
  position: relative;
}



.section-card h2 {
  color: var(--dark);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: var(--spacer-sm);
  border-bottom: 2px solid rgba(108, 92, 231, 0.1);
  padding-bottom: var(--spacer-sm);
}

.section-card h2 i {
  font-size: 1.3rem;
  color: var(--primary);
}

.section-card p,
.section-card li {
  color: #4a5568;
  line-height: 1.7;
}

.section-card a {
  color: var(--primary);
  text-decoration: underline;
  font-weight: 500;
}

.section-card a:hover {
  color: #5a4fcf;
}

/* Enhanced Important Notice */
.important-notice {
  background: linear-gradient(135deg, rgba(253, 203, 110, 0.1), rgba(253, 121, 168, 0.05));
  border: 2px solid rgba(253, 203, 110, 0.4);
  border-radius: var(--border-radius-xl);
  padding: var(--spacer-lg);
  margin-bottom: var(--spacer-2xl);
  position: relative;
  overflow: hidden;
  background-color: rgba(255, 248, 220, 0.8);
  color: var(--dark);
}

.important-notice strong,
.important-notice i {
  color: #e17055;
}

.important-notice::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(253, 203, 110, 0.2), transparent);
  animation: shimmer 3s ease-in-out infinite;
}

/* Reading Time */
.reading-time {
  display: flex;
  align-items: center;
  gap: var(--spacer-xs);
  color: #6c757d;
  font-size: 0.9rem;
  margin-top: var(--spacer-sm);
}

.reading-time i {
  color: var(--primary);
}

/* Policy Header */
.policy-header {
  color: var(--dark);
  text-align: center;
  margin-bottom: var(--spacer-2xl);
}

.policy-header h1 {
  color: var(--primary);
}

.policy-header .last-updated {
  color: #6c757d;
}

/* Enhanced List Styling */
.section-card ul {
  list-style: none;
  padding-left: 0;
}

.section-card ul li {
  position: relative;
  padding-left: var(--spacer-xl);
  margin-bottom: var(--spacer-sm);
}

.section-card ul li::before {
  content: '✓';
  position: absolute;
  left: var(--spacer-sm);
  top: 0;
  color: #fdcb6e;
  font-weight: bold;
}

.section-card ol {
  counter-reset: section-counter;
  padding-left: 0;
  list-style: none;
}

.section-card ol li {
  counter-increment: section-counter;
  position: relative;
  padding-left: var(--spacer-3xl);
  margin-bottom: var(--spacer-sm);
}

.section-card ol li::before {
  content: counter(section-counter);
  position: absolute;
  left: var(--spacer-sm);
  top: 0;
  width: 24px;
  height: 24px;
  background: rgba(253, 203, 110, 0.8);
  color: var(--dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: bold;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 1000;
  transition: var(--transition-base);
  box-shadow: var(--shadow-lg);
  display: none;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(108, 92, 231, 0.4), var(--shadow-lg);
}

/* Animation for section reveals */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile TOC Toggle */
.toc-mobile-toggle {
  display: none;
  background: var(--primary);
  color: white;
  border: none;
  padding: var(--spacer-sm) var(--spacer-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacer-lg);
  font-weight: 600;
}

.toc-mobile-toggle:hover {
  background: linear-gradient(135deg, #5a4bcf 0%, #6b4692 100%);
}

/* Mobile Responsiveness */
@media (max-width: 991.98px) {
  .toc-wrapper {
    position: static !important;
    margin-bottom: var(--spacer-lg);
  }

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

  .toc-card {
    display: none;
  }

  .toc-card.show {
    display: block;
  }

  .privacy-main .container {
    padding: 0 var(--spacer-sm);
  }
}

@media (max-width: 767.98px) {
  .section-card {
    padding: var(--spacer-md) var(--spacer-xl);
  }

  .section-card h2 {
    font-size: 1.25rem;
  }

  .back-to-top {
    width: 45px;
    height: 45px;
    bottom: 20px;
    right: 20px;
  }

  .reading-progress {
    height: 3px;
  }
}

.download-note i {
  color: #007755;
  margin-right: var(--spacer-xs);
}

/* Enhanced Footer */
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacer-md);
  margin-bottom: var(--spacer-lg);
}

.footer-brand img {
  flex-shrink: 0;
}

.footer-brand h5 {
  margin: 0;
  color: white;
  font-weight: 700;
}

.footer-brand p {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.8;
}

.social-links {
  display: flex;
  gap: var(--spacer-sm);
  margin-top: var(--spacer-lg);
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition-base);
}

.social-link:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
}

.footer-nav .nav-link {
  padding: 0.25rem 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

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

.contact-info p {
  display: flex;
  align-items: center;
  gap: var(--spacer-xs);
  margin-bottom: var(--spacer-sm);
  font-size: 0.9rem;
}

.contact-info i {
  color: var(--primary);
  width: 16px;
}

.footer-divider {
  border-color: rgba(255, 255, 255, 0.2);
  margin: var(--spacer-2xl) 0 var(--spacer-lg);
}

.footer-bottom {
  padding-bottom: var(--spacer-lg);
}

.footer-bottom p {
  margin: 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
}

.text-md-end {
  text-align: right;
}

/* Navigation Enhancements */
.navbar-nav {
  margin-left: auto;
}

.navbar-nav .nav-link {
  color: var(--dark) !important;
  margin: 0 var(--spacer-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition-base);
}

.navbar-nav .nav-link:hover {
  color: var(--primary) !important;
  transform: translateY(-1px);
  text-decoration: none;
}

.me-1 { margin-right: 0.25rem; }
.me-2 { margin-right: 0.5rem; }
.ms-auto { margin-left: auto; }

/* Animation Keyframes */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Utility Classes */
.text-white { color: white; }
.text-dark { color: var(--dark); }
.text-center { text-align: center; }
.text-danger { color: var(--danger); }
.mb-0 { margin-bottom: 0; }
.mb-3 { margin-bottom: var(--spacer-md); }
.mb-4 { margin-bottom: var(--spacer-lg); }
.mb-lg-0 { margin-bottom: 0; }
.mt-3 { margin-top: var(--spacer-md); }
.mt-md-0 { margin-top: 0; }
.img-fluid { max-width: 100%; height: auto; }
.align-items-center { align-items: center; }

/* Responsive Design */
@media (max-width: 991.98px) {
  .col-lg-4 {
    flex: 0 0 50%;
    max-width: 50%;
  }
  
  .header-content h1 {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 767.98px) {
  .col-md-6,
  .col-md-3,
  .col-lg-4 {
    flex: 0 0 100%;
    max-width: 100%;
    margin-bottom: var(--spacer-lg);
  }
  
  .header-content h1 {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .navbar {
    margin-bottom: var(--spacer-lg);
    padding: var(--spacer-lg);
  }
  
  .navbar-nav {
    margin-top: var(--spacer-sm);
    text-align: center;
  }
  
  .navbar-nav .nav-link {
    margin: var(--spacer-xs) 0;
  }
  
  section {
    margin: var(--spacer-lg) var(--spacer-sm);
  }
  
  .privacy-policy {
    margin: var(--spacer-lg) var(--spacer-sm);
    padding: var(--spacer-lg);
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacer-md);
  }
  
  .hero-cta {
    text-align: center;
  }
  
  .btn-lg {
    display: block;
    margin: var(--spacer-sm) auto;
    width: 100%;
    max-width: 300px;
  }
  
  .download-stats {
    flex-direction: column;
    gap: var(--spacer-md);
  }

  .phone-frame {
    width: 200px;
    height: 400px;
    padding: 15px 8px;
  }

  #screenshotCarousel {
    height: 370px;
  }

  .app-screenshot {
    height: 370px;
  }

  .download-button-group {
    flex-direction: column;
    gap: var(--spacer-sm);
  }

  .availability-badges {
    flex-direction: column;
    gap: var(--spacer-sm);
    align-items: center;
  }

  .feature-icon {
    width: 70px;
    height: 70px;
    font-size: 1.8rem;
  }
  
  .privacy-toc ol {
    grid-template-columns: 1fr;
  }
  
  .footer-brand {
    flex-direction: column;
    text-align: center;
    gap: var(--spacer-sm);
  }
  
  .social-links {
    justify-content: center;
  }
  
  .text-md-end {
    text-align: center !important;
  }
}

@media (max-width: 575.98px) {
  .header-content h1 {
    font-size: 1.75rem;
  }

  .phone-frame {
    width: 180px;
    height: 360px;
    padding: 12px 6px;
  }

  #screenshotCarousel {
    height: 336px;
  }

  .app-screenshot {
    height: 336px;
  }

  .feature-card {
    padding: var(--spacer-lg);
  }

  .section-title {
    font-size: 1.5rem;
  }
  
  .container {
    padding: 0 var(--spacer-sm);
  }
}

/* Print Styles */
@media print {
  .foi-header,
  .foi-footer {
    background: none !important;
  }
  
  .privacy-policy {
    box-shadow: none;
    background: transparent;
    padding: var(--spacer-md) 0;
  }
}