/* Landing Page Styles */

/* Navigation */




.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
}

[data-theme="light"] .navbar {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--border-secondary);
}

.navbar.scrolled {
  background: var(--surface-elevated);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.nav-logo i {
  font-size: var(--font-size-2xl);
  color: var(--primary-500);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-8);
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-2) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-500);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-500);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: var(--font-size-lg);
  cursor: pointer;
  padding: var(--spacing-2);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--primary-500);
  background-color: var(--bg-hover);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: var(--spacing-2);
}

.hamburger span {
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Enhanced 3D Hero Section */
.hero {
  padding: calc(80px + var(--spacing-20)) 0 var(--spacing-20);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
  position: relative;
  overflow: hidden;
  perspective: 1000px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at top, rgba(33, 150, 243, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

/* 3D Parallax Layers */
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.05) 0%, transparent 50%);
  animation: parallax-bg 20s ease-in-out infinite alternate;
}

@keyframes parallax-bg {
  0% { transform: translateY(0px) rotate(0deg); }
  100% { transform: translateY(-20px) rotate(1deg); }
}

/* 3D Floating Elements */
.hero .floating-element-1 {
  position: absolute;
  top: 10%;
  right: 10%;
  width: 100px;
  height: 100px;
  background: linear-gradient(45deg, var(--primary-500), var(--primary-700));
  border-radius: 50%;
  opacity: 0.1;
  animation: float-3d-1 8s ease-in-out infinite;
  transform-style: preserve-3d;
}

.hero .floating-element-2 {
  position: absolute;
  bottom: 20%;
  left: 5%;
  width: 60px;
  height: 60px;
  background: linear-gradient(45deg, var(--success-500), var(--success-700));
  border-radius: 50%;
  opacity: 0.08;
  animation: float-3d-2 6s ease-in-out infinite reverse;
  transform-style: preserve-3d;
}

@keyframes float-3d-1 {
  0%, 100% {
    transform: translateY(0px) translateX(0px) rotateY(0deg) rotateX(0deg);
  }
  25% {
    transform: translateY(-15px) translateX(10px) rotateY(5deg) rotateX(2deg);
  }
  50% {
    transform: translateY(-10px) translateX(-5px) rotateY(-3deg) rotateX(-1deg);
  }
  75% {
    transform: translateY(-20px) translateX(15px) rotateY(8deg) rotateX(3deg);
  }
}

@keyframes float-3d-2 {
  0%, 100% {
    transform: translateY(0px) translateX(0px) rotateY(0deg) rotateX(0deg);
  }
  33% {
    transform: translateY(-12px) translateX(-8px) rotateY(-4deg) rotateX(-2deg);
  }
  66% {
    transform: translateY(-18px) translateX(12px) rotateY(6deg) rotateX(3deg);
  }
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 1;
  transform-style: preserve-3d;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-6);
  color: var(--text-primary);
  transform: translateZ(0);
  animation: title-3d 1s ease-out;
}

@keyframes title-3d {
  0% {
    opacity: 0;
    transform: translateZ(-50px) rotateX(-10deg);
  }
  100% {
    opacity: 1;
    transform: translateZ(0) rotateX(0deg);
  }
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  animation: gradient-shift 3s ease-in-out infinite alternate;
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-8);
  line-height: var(--line-height-relaxed);
  transform: translateZ(0);
  animation: subtitle-3d 1s ease-out 0.2s both;
}

@keyframes subtitle-3d {
  0% {
    opacity: 0;
    transform: translateZ(-30px) translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateZ(0) translateY(0);
  }
}

.hero-actions {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-12);
  transform: translateZ(0);
  animation: actions-3d 1s ease-out 0.4s both;
}

@keyframes actions-3d {
  0% {
    opacity: 0;
    transform: translateZ(-20px) translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateZ(0) translateY(0);
  }
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
  transform: translateZ(0);
  animation: stats-3d 1s ease-out 0.6s both;
}

@keyframes stats-3d {
  0% {
    opacity: 0;
    transform: translateZ(-10px) translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateZ(0) translateY(0);
  }
}

.stat-item {
  text-align: center;
  padding: var(--spacing-4);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
  transform-style: preserve-3d;
}

.stat-item:hover {
  transform: translateY(-5px) rotateX(5deg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-600);
  margin-bottom: var(--spacing-1);
  animation: counter-3d 2s ease-out 1s both;
}

@keyframes counter-3d {
  0% {
    opacity: 0;
    transform: scale(0.5) translateZ(-20px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateZ(0);
  }
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  transform-style: preserve-3d;
  animation: visual-3d 1s ease-out 0.8s both;
}

@keyframes visual-3d {
  0% {
    opacity: 0;
    transform: translateZ(-100px) rotateY(-10deg);
  }
  100% {
    opacity: 1;
    transform: translateZ(0) rotateY(0deg);
  }
}

.trading-card {
  background: var(--surface-elevated);
  border: 1px solid var(--border-secondary);
  border-radius: var(--border-radius-2xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 400px;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: all var(--transition-normal);
}

.live-chart-card {
  background: var(--surface-elevated);
  border: 1px solid var(--border-secondary);
  border-radius: var(--border-radius-2xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 500px;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: all var(--transition-normal);
  animation: card-float 6s ease-in-out infinite;
}

.live-chart-card:hover {
  transform: translateY(-10px) rotateX(5deg) rotateY(5deg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

@keyframes card-float {
  0%, 100% {
    transform: translateY(0px) rotateX(0deg) rotateY(0deg);
  }
  50% {
    transform: translateY(-5px) rotateX(1deg) rotateY(1deg);
  }
}

.live-chart-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--success-500) 0%, var(--primary-500) 100%);
  animation: border-glow 3s ease-in-out infinite alternate;
}

@keyframes border-glow {
  0% { opacity: 0.5; }
  100% { opacity: 1; }
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-4);
  position: relative;
  z-index: 1;
}

.chart-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.chart-title h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
}

.price-info {
  text-align: right;
}

.current-price {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  font-feature-settings: 'tnum';
  margin-bottom: var(--spacing-1);
  animation: price-glow 2s ease-in-out infinite alternate;
}

@keyframes price-glow {
  0% { text-shadow: 0 0 10px rgba(76, 175, 80, 0.3); }
  100% { text-shadow: 0 0 20px rgba(76, 175, 80, 0.6); }
}

.price-change {
  font-size: var(--font-size-sm);
  font-weight: 600;
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--border-radius-sm);
  animation: change-pulse 2s ease-in-out infinite;
}

@keyframes change-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.live-chart-container {
  height: 200px;
  margin-bottom: var(--spacing-4);
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-lg);
  position: relative;
  overflow: hidden;
}

.tradingview-widget-container {
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.tradingview-widget-container iframe {
  border-radius: var(--border-radius-lg);
}

.chart-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-4);
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--border-secondary);
}

.chart-stats .stat {
  text-align: center;
  padding: var(--spacing-2);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.chart-stats .stat:hover {
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
}

.chart-stats .label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-1);
}

.chart-stats .value {
  display: block;
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--text-primary);
  font-feature-settings: 'tnum';
}

.trading-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-500) 0%, var(--success-500) 100%);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-4);
}

.card-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success-500);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(76, 175, 80, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(76, 175, 80, 0);
  }
}

.price-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-4);
  padding: var(--spacing-4);
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-lg);
}

.symbol {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.price {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  font-feature-settings: 'tnum';
}

.change {
  font-size: var(--font-size-sm);
  font-weight: 600;
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--border-radius-sm);
}

.change.positive {
  color: var(--success-700);
  background-color: var(--success-100);
}

[data-theme="dark"] .change.positive {
  color: var(--success-400);
  background-color: rgba(76, 175, 80, 0.1);
}

.change.negative {
  color: var(--error-700);
  background-color: var(--error-100);
}

[data-theme="dark"] .change.negative {
  color: var(--error-400);
  background-color: rgba(244, 67, 54, 0.1);
}

.mini-chart {
  height: 120px;
  position: relative;
}

/* Enhanced 3D Market Ticker */
.market-ticker {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-secondary);
  border-bottom: 1px solid var(--border-secondary);
  padding: var(--spacing-4) 0;
  overflow: hidden;
  position: relative;
}

.market-ticker::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent 0%, rgba(33, 150, 243, 0.05) 50%, transparent 100%);
  animation: ticker-glow 4s ease-in-out infinite;
}

@keyframes ticker-glow {
  0%, 100% { opacity: 0; }
  50% { opacity: 1; }
}

.ticker-container {
  position: relative;
  width: 100%;
}

.ticker-content {
  display: flex;
  animation: scroll-left 60s linear infinite;
  white-space: nowrap;
}

@keyframes scroll-left {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(-100%);
  }
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-4);
  margin-right: var(--spacing-8);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--border-radius-lg);
  background: var(--bg-tertiary);
  min-width: fit-content;
  transition: all var(--transition-fast);
  transform-style: preserve-3d;
}

.ticker-item:hover {
  transform: translateY(-2px) rotateX(2deg);
  background: var(--surface);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.ticker-symbol {
  font-weight: 600;
  color: var(--text-primary);
  min-width: 60px;
}

.ticker-price {
  font-weight: 700;
  font-feature-settings: 'tnum';
  min-width: 80px;
}

.ticker-change {
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 2px var(--spacing-1);
  border-radius: var(--border-radius-sm);
  min-width: 50px;
  text-align: center;
}

/* Enhanced 3D About Section */
.about {
  padding: var(--spacing-20) 0;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 10% 20%, rgba(120, 119, 198, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 90% 80%, rgba(255, 119, 198, 0.05) 0%, transparent 50%);
  animation: about-bg 15s ease-in-out infinite alternate;
}

@keyframes about-bg {
  0% { transform: translateX(-10px) translateY(-10px); }
  100% { transform: translateX(10px) translateY(10px); }
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
  position: relative;
  z-index: 1;
}

.section-header h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-4);
  color: var(--text-primary);
  transform: translateZ(0);
  animation: section-title 1s ease-out;
}

@keyframes section-title {
  0% {
    opacity: 0;
    transform: translateY(30px) translateZ(-20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0) translateZ(0);
  }
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.about-content h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-4);
  color: var(--primary-600);
  transform: translateZ(0);
  animation: content-title 1s ease-out 0.2s both;
}

@keyframes content-title {
  0% {
    opacity: 0;
    transform: translateX(-30px) translateZ(-10px);
  }
  100% {
    opacity: 1;
    transform: translateX(0) translateZ(0);
  }
}

.about-content p {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-8);
  color: var(--text-secondary);
  animation: content-text 1s ease-out 0.4s both;
}

@keyframes content-text {
  0% {
    opacity: 0;
    transform: translateY(20px) translateZ(-5px);
  }
  100% {
    opacity: 1;
    transform: translateY(0) translateZ(0);
  }
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-4);
  animation: features-grid 1s ease-out 0.6s both;
}

@keyframes features-grid {
  0% {
    opacity: 0;
    transform: translateY(30px) translateZ(-10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0) translateZ(0);
  }
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3);
  border-radius: var(--border-radius-lg);
  background: var(--bg-tertiary);
  transition: all var(--transition-fast);
  transform-style: preserve-3d;
  animation: feature-item 1s ease-out 0.8s both;
}

.feature-item:nth-child(1) { animation-delay: 0.8s; }
.feature-item:nth-child(2) { animation-delay: 1s; }
.feature-item:nth-child(3) { animation-delay: 1.2s; }
.feature-item:nth-child(4) { animation-delay: 1.4s; }

@keyframes feature-item {
  0% {
    opacity: 0;
    transform: translateX(-20px) translateZ(-5px) rotateY(-5deg);
  }
  100% {
    opacity: 1;
    transform: translateX(0) translateZ(0) rotateY(0deg);
  }
}

.feature-item:hover {
  transform: translateY(-5px) rotateX(5deg) rotateY(5deg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  background: var(--surface);
}

.feature-item i {
  font-size: var(--font-size-lg);
  color: var(--primary-500);
  transition: all var(--transition-fast);
}

.feature-item:hover i {
  transform: scale(1.1) rotate(5deg);
}

.feature-item span {
  font-weight: 500;
  color: var(--text-primary);
}

.about-visual {
  display: flex;
  justify-content: center;
  animation: visual-card 1s ease-out 0.6s both;
}

@keyframes visual-card {
  0% {
    opacity: 0;
    transform: translateX(30px) translateZ(-20px) rotateY(5deg);
  }
  100% {
    opacity: 1;
    transform: translateX(0) translateZ(0) rotateY(0deg);
  }
}

.card-content h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-6);
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-6);
}

.stat {
  text-align: center;
  padding: var(--spacing-4);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-fast);
  transform-style: preserve-3d;
}

.stat:hover {
  transform: translateY(-3px) rotateX(3deg);
  background: rgba(255, 255, 255, 0.08);
}

.stat .number {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-600);
  margin-bottom: var(--spacing-1);
}

.stat .label {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Enhanced 3D Features Section */
.features {
  padding: var(--spacing-20) 0;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 30% 70%, rgba(33, 150, 243, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(76, 175, 80, 0.05) 0%, transparent 50%);
  animation: features-bg 20s ease-in-out infinite alternate;
}

@keyframes features-bg {
  0% { transform: translateX(0px) translateY(0px) rotate(0deg); }
  100% { transform: translateX(-20px) translateY(-20px) rotate(1deg); }
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-8);
  position: relative;
  z-index: 1;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border-secondary);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-8);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  animation: feature-card 1s ease-out both;
}

.feature-card:nth-child(1) { animation-delay: 0.2s; }
.feature-card:nth-child(2) { animation-delay: 0.4s; }
.feature-card:nth-child(3) { animation-delay: 0.6s; }
.feature-card:nth-child(4) { animation-delay: 0.8s; }
.feature-card:nth-child(5) { animation-delay: 1s; }
.feature-card:nth-child(6) { animation-delay: 1.2s; }

@keyframes feature-card {
  0% {
    opacity: 0;
    transform: translateY(50px) translateZ(-30px) rotateX(-5deg);
  }
  100% {
    opacity: 1;
    transform: translateY(0) translateZ(0) rotateX(0deg);
  }
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.feature-card:hover::before {
  opacity: 0.05;
}

.feature-card:hover {
  transform: translateY(-15px) rotateX(5deg) rotateY(5deg);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.3);
  border-color: var(--primary-300);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-6);
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: white;
  position: relative;
  z-index: 1;
  transition: all var(--transition-normal);
  transform-style: preserve-3d;
}

.feature-card:hover .feature-icon {
  transform: translateY(-5px) rotateX(10deg) rotateY(10deg);
}

.feature-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-4);
  position: relative;
  z-index: 1;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
  position: relative;
  z-index: 1;
}

/* Enhanced 3D Testimonials Section */
.testimonials {
  padding: var(--spacing-20) 0;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.testimonials::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 50% 10%, rgba(255, 119, 198, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(120, 119, 198, 0.05) 0%, transparent 50%);
  animation: testimonials-bg 18s ease-in-out infinite alternate;
}

@keyframes testimonials-bg {
  0% { transform: translateX(0px) translateY(0px); }
  100% { transform: translateX(20px) translateY(-15px); }
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-8);
  position: relative;
  z-index: 1;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border-secondary);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-8);
  transition: all var(--transition-fast);
  transform-style: preserve-3d;
  animation: testimonial-card 1s ease-out both;
}

.testimonial-card:nth-child(1) { animation-delay: 0.2s; }
.testimonial-card:nth-child(2) { animation-delay: 0.4s; }
.testimonial-card:nth-child(3) { animation-delay: 0.6s; }

@keyframes testimonial-card {
  0% {
    opacity: 0;
    transform: translateY(40px) translateZ(-20px) rotateX(-3deg);
  }
  100% {
    opacity: 1;
    transform: translateY(0) translateZ(0) rotateX(0deg);
  }
}

.testimonial-card:hover {
  transform: translateY(-8px) rotateX(3deg) rotateY(3deg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.testimonial-content {
  margin-bottom: var(--spacing-6);
}

.stars {
  display: flex;
  gap: var(--spacing-1);
  margin-bottom: var(--spacing-4);
}

.stars i {
  color: var(--warning-500);
  font-size: var(--font-size-sm);
  animation: star-glow 2s ease-in-out infinite alternate;
}

@keyframes star-glow {
  0% { opacity: 0.7; }
  100% { opacity: 1; }
}

.testimonial-content p {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  font-style: italic;
  margin: 0;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: var(--border-radius-full);
  object-fit: cover;
  transition: all var(--transition-fast);
}

.testimonial-card:hover .testimonial-author img {
  transform: scale(1.1) rotate(2deg);
}

.author-info .name {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-1);
}

.author-info .title {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}

/* Enhanced 3D CTA Section */
.cta {
  padding: var(--spacing-20) 0;
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  animation: cta-bg 12s ease-in-out infinite alternate;
}

@keyframes cta-bg {
  0% { transform: translateX(-10px) translateY(-10px); }
  100% { transform: translateX(10px) translateY(10px); }
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-4);
  animation: cta-title 1s ease-out;
}

@keyframes cta-title {
  0% {
    opacity: 0;
    transform: translateY(20px) translateZ(-10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0) translateZ(0);
  }
}

.cta-content p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-8);
  opacity: 0.9;
  animation: cta-text 1s ease-out 0.2s both;
}

@keyframes cta-text {
  0% {
    opacity: 0;
    transform: translateY(15px) translateZ(-5px);
  }
  100% {
    opacity: 0.9;
    transform: translateY(0) translateZ(0);
  }
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
  animation: cta-actions 1s ease-out 0.4s both;
}

@keyframes cta-actions {
  0% {
    opacity: 0;
    transform: translateY(20px) translateZ(-10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0) translateZ(0);
  }
}

.cta-actions .btn-primary {
  background-color: white;
  color: var(--primary-700);
  border-color: white;
}

.cta-actions .btn-primary:hover {
  background-color: var(--neutral-100);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.cta-actions .btn-outline {
  border-color: white;
  color: white;
}

.cta-actions .btn-outline:hover {
  background-color: white;
  color: var(--primary-700);
}

.cta-note {
  font-size: var(--font-size-sm);
  opacity: 0.8;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  margin: 0;
}

/* Footer */
.footer {
  background: var(--bg-tertiary);
  padding: var(--spacing-16) 0 var(--spacing-8);
  border-top: 1px solid var(--border-secondary);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-8);
}

.footer-section h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-6);
  color: var(--text-primary);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

.footer-logo i {
  font-size: var(--font-size-2xl);
  color: var(--primary-500);
}

.footer-section p {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-6);
}

.social-links {
  display: flex;
  gap: var(--spacing-3);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  background: var(--bg-hover);
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--primary-500);
  color: white;
  transform: translateY(-2px);
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section ul li {
  margin-bottom: var(--spacing-3);
}

.footer-section ul a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-section ul a:hover {
  color: var(--primary-500);
}

.footer-bottom {
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--border-secondary);
  text-align: center;
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
}

.footer-bottom p {
  margin-bottom: var(--spacing-2);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--surface-elevated);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-8);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-actions .btn {
    display: none;
  }
  
  .nav-actions .theme-toggle {
    display: flex;
  }
  
  /* Hero Mobile */
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    text-align: center;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .live-chart-card {
    max-width: 100%;
    margin: 0 auto;
  }
  
  .live-chart-container {
    height: 180px;
  }
  
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-4);
  }
  
  .stat-number {
    font-size: var(--font-size-xl);
  }
  
  /* About Mobile */
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    text-align: center;
  }
  
  .about-features {
    grid-template-columns: 1fr;
  }
  
  /* Features Mobile */
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }
  
  /* Testimonials Mobile */
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }
  
  /* CTA Mobile */
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  
  /* Footer Mobile */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 var(--spacing-3);
    height: 70px;
  }
  
  .hero {
    padding: calc(70px + var(--spacing-12)) 0 var(--spacing-12);
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: var(--font-size-base);
  }
  
  .hero-actions {
    flex-direction: column;
    gap: var(--spacing-3);
  }
  
  .section-header h2 {
    font-size: var(--font-size-2xl);
  }
  
  .feature-card,
  .testimonial-card {
    padding: var(--spacing-6);
  }
  
  .trading-card {
    padding: var(--spacing-4);
  }
  
  .live-chart-card {
    padding: var(--spacing-4);
  }
  
  .chart-header {
    flex-direction: column;
    gap: var(--spacing-3);
    text-align: center;
  }
  
  .price-info {
    text-align: center;
  }
  
  .current-price {
    font-size: var(--font-size-xl);
  }
  
  .live-chart-container {
    height: 180px;
  }
  
  .chart-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2);
  }
  
  .price {
    font-size: var(--font-size-xl);
  }
  
  .cta-content h2 {
    font-size: var(--font-size-2xl);
  }
  
  .chart-stats .value {
    font-size: var(--font-size-sm);
  }
  
  .hero-container {
    gap: var(--spacing-6);
  }
  
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-3);
  }
  
  .stat-number {
    font-size: var(--font-size-lg);
  }
}