:root {
  --vh: 1vh;
    /* Add this for JavaScript-based height fixing */
  --primary: #7C5CFC;
  --primary-dark: #6344E0;
  --secondary: #00D4FF;
  --accent: #FFD700;
  --dark-bg: #0A0A1A;
  --dark-surface: #12122A;
  --dark-card: #1A1A3E;
  --text-primary: #FFFFFF;
  --text-secondary: #B4B4D0;
  --text-muted: #6B6B8A;
  --success: #00D68F;
  --danger: #FF3D71;
  --gradient-1: linear-gradient(135deg, #7C5CFC 0%, #00D4FF 100%);
  --gradient-2: linear-gradient(135deg, #FFD700 0%, #FF8C00 100%);
  --shadow-glow: 0 0 30px rgba(124, 92, 252, 0.3);
  --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.5);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  overflow-x: hidden;
}

a {
  text-decoration: none;
}

/* ============ NAVIGATION ============ */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  padding: 20px 60px;
  background: rgba(10, 10, 26, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(124, 92, 252, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(10, 10, 26, 0.98);
  padding: 15px 60px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.logo-icon {
  position: relative;
  width: 45px;
  height: 45px;
  background: var(--gradient-1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: logoFloat 3s ease-in-out infinite;
}

.logo-text {
  font-size: 24px;
  font-weight: 700;
  color: white;
  position: relative;
  z-index: 2;
}

.logo-pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  background: var(--gradient-1);
  border-radius: 12px;
  animation: logoPulse 2s ease-in-out infinite;
}

.brand-name {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
}

.brand-name span {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 40px;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: width 0.3s ease;
  border-radius: 2px;
}

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

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

.nav-actions {
  display: flex;
  gap: 15px;
  align-items: center;
}

.btn-login {
  background: transparent;
  border: 2px solid rgba(124, 92, 252, 0.3);
  color: var(--text-primary);
  padding: 10px 25px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-login:hover {
  border-color: var(--primary);
  background: rgba(124, 92, 252, 0.1);
  transform: translateY(-2px);
}

.btn-register {
  background: var(--gradient-1);
  border: none;
  color: white;
  padding: 12px 30px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-glow);
}

.btn-register:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(124, 92, 252, 0.5);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
  transition: color 0.3s;
}

.mobile-menu-toggle:hover {
  color: #7C5CFC;
}

/* ============ MOBILE MENU ============ */
.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  background: rgba(26, 26, 62, 0.98);
  padding: 20px 30px;
  flex-direction: column;
  gap: 15px;
  border-top: 1px solid rgba(124, 92, 252, 0.1);
  z-index: 99999;
  max-height: calc(100vh - 70px);
  max-height: calc(100dvh - 70px);
  overflow-y: auto;
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.mobile-menu.active {
  display: flex !important;
}

.mobile-menu .nav-links {
  display: flex !important;
  flex-direction: column !important;
  gap: 12px !important;
  width: 100% !important;
}

.mobile-menu .nav-links a {
  color: #B4B4D0 !important;
  text-decoration: none !important;
  font-size: 16px !important;
  font-weight: 500 !important;
  padding: 10px 0 !important;
  border-bottom: 1px solid rgba(124, 92, 252, 0.05) !important;
  transition: color 0.3s !important;
  width: 100% !important;
  display: block !important;
}

.mobile-menu .nav-links a:hover,
.mobile-menu .nav-links a:active {
  color: #7C5CFC !important;
}

.mobile-menu .nav-actions {
  display: flex !important;
  flex-direction: column !important;
  gap: 10px !important;
  margin-top: 10px !important;
  width: 100% !important;
}

.mobile-menu .btn-login {
  display: block !important;
  width: 100% !important;
  text-align: center !important;
  padding: 12px !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  color: #B4B4D0 !important;
  border: 1px solid rgba(124, 92, 252, 0.3) !important;
  background: transparent !important;
  font-size: 15px !important;
  font-family: 'Poppins', sans-serif !important;
  transition: all 0.3s ease !important;
}

.mobile-menu .btn-login:hover,
.mobile-menu .btn-login:active {
  background: rgba(124, 92, 252, 0.1) !important;
  border-color: rgba(124, 92, 252, 0.4) !important;
}

.mobile-menu .btn-register {
  display: block !important;
  width: 100% !important;
  text-align: center !important;
  padding: 12px !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  background: linear-gradient(135deg, #7C5CFC, #00D4FF) !important;
  color: #FFFFFF !important;
  border: none !important;
  font-size: 15px !important;
  font-family: 'Poppins', sans-serif !important;
  transition: all 0.3s ease !important;
}

.mobile-menu .btn-register:hover,
.mobile-menu .btn-register:active {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 25px rgba(124, 92, 252, 0.3) !important;
}

/* ============ HERO SECTION ============ */
.hero {
  position: relative;
  min-height: 100vh;
  /* Fallback for browsers that don't support dvh */
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 60px 80px;
}

/* Background Effects */
.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.particles {
  position: absolute;
  width: 100%;
  height: 100%;
}

.grid-overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(124, 92, 252, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 92, 252, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: orbFloat 8s ease-in-out infinite;
}

.glow-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--primary);
  top: -200px;
  right: -200px;
  animation-delay: 0s;
}

.glow-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--secondary);
  bottom: -150px;
  left: -100px;
  animation-delay: -4s;
}

.glow-orb-3 {
  width: 300px;
  height: 300px;
  background: var(--accent);
  top: 50%;
  left: 50%;
  animation-delay: -2s;
  opacity: 0.15;
}

/* Floating Crypto Coins */
.floating-crypto {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.crypto-coin {
  position: absolute;
  animation: cryptoFloat 6s ease-in-out infinite;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.7;
}

.crypto-coin i,
.crypto-coin .coin-symbol {
  font-size: 40px;
  color: var(--text-primary);
  animation: coinSpin 4s ease-in-out infinite;
}

.crypto-coin .price-tag {
  background: rgba(26, 26, 62, 0.9);
  border: 1px solid rgba(124, 92, 252, 0.3);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--success);
  backdrop-filter: blur(10px);
}

.bitcoin {
  top: 15%;
  left: 10%;
  animation-delay: 0s;
}

.ethereum {
  top: 20%;
  right: 15%;
  animation-delay: -2s;
}

.ripple {
  bottom: 25%;
  left: 15%;
  animation-delay: -4s;
}

.cardano {
  bottom: 20%;
  right: 20%;
  animation-delay: -1s;
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 3;
  max-width: 1400px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-text {
  animation: slideInLeft 1s ease-out;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(124, 92, 252, 0.1);
  border: 1px solid rgba(124, 92, 252, 0.3);
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 30px;
  animation: fadeInUp 0.8s ease-out;
}

.trust-badge i {
  color: var(--secondary);
  animation: shieldPulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: 62px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 25px;
}

.title-line {
  display: block;
}

.title-highlight {
  display: inline-block;
  position: relative;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 5px 0;
}

.title-highlight::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background: var(--gradient-1);
  border-radius: 4px;
  opacity: 0.3;
  -webkit-text-fill-color: initial;
  background-clip: initial;
  z-index: -1;
}

.hero-description {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 35px;
  max-width: 600px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-bottom: 40px;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 5px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-cta {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}

.btn-primary {
  background: var(--gradient-1);
  border: none;
  color: white;
  padding: 16px 35px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 50px rgba(124, 92, 252, 0.6);
}

.btn-secondary {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  padding: 16px 30px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  transform: translateY(-3px);
}

.live-prices {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.live-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: livePulse 1.5s ease-in-out infinite;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  animation: slideInRight 1s ease-out;
}

.investment-card {
  background: var(--dark-card);
  border: 1px solid rgba(124, 92, 252, 0.2);
  border-radius: 24px;
  padding: 30px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  animation: cardFloat 6s ease-in-out infinite;
  position: relative;
}

.investment-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--gradient-1);
  border-radius: 26px;
  z-index: -1;
  opacity: 0.5;
  filter: blur(10px);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 25px;
}

.card-logo {
  width: 45px;
  height: 45px;
  background: var(--gradient-1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.card-title h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 2px;
}

.card-title p {
  font-size: 13px;
  color: var(--text-muted);
}

.card-status {
  background: rgba(0, 214, 143, 0.1);
  border: 1px solid rgba(0, 214, 143, 0.3);
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 12px;
  color: var(--success);
  font-weight: 600;
}

.card-chart {
  margin-bottom: 25px;
  height: 200px;
}

.card-stats {
  display: flex;
  justify-content: space-between;
}

.card-stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.card-stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

.card-stat-value {
  font-size: 18px;
  font-weight: 700;
}

.card-stat-value.positive {
  color: var(--success);
}

.card-stat-value.low {
  color: var(--secondary);
}

/* Floating Cards */
.floating-card {
  position: absolute;
  background: rgba(26, 26, 62, 0.9);
  border: 1px solid rgba(124, 92, 252, 0.3);
  padding: 12px 20px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  backdrop-filter: blur(10px);
  animation: floatingCard 5s ease-in-out infinite;
  white-space: nowrap;
}

.floating-card i {
  font-size: 20px;
}

.card-1 {
  top: -30px;
  left: -40px;
  animation-delay: 0s;
}

.card-1 i {
  color: #F7931A;
}

.card-2 {
  bottom: -30px;
  right: -40px;
  animation-delay: -2.5s;
}

.card-2 i {
  color: #627EEA;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 3;
  animation: fadeInUp 1s ease-out 1.5s backwards;
}

.mouse {
  width: 26px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 13px;
  position: relative;
}

.wheel {
  width: 4px;
  height: 8px;
  background: var(--primary);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s ease-in-out infinite;
}

.scroll-indicator p {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* ============ ANIMATIONS ============ */
@keyframes logoFloat {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-5px);
  }
}

@keyframes logoPulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.6;
  }

  50% {
    transform: scale(1.1);
    opacity: 0;
  }
}

@keyframes gridMove {
  0% {
    transform: translate(0, 0);
  }

  100% {
    transform: translate(60px, 60px);
  }
}

@keyframes orbFloat {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(30px, -30px) scale(1.1);
  }

  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
}

@keyframes cryptoFloat {

  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }

  25% {
    transform: translate(20px, -15px) rotate(5deg);
  }

  50% {
    transform: translate(-10px, -25px) rotate(-3deg);
  }

  75% {
    transform: translate(-15px, -10px) rotate(2deg);
  }
}

@keyframes coinSpin {

  0%,
  100% {
    transform: rotateY(0deg);
  }

  50% {
    transform: rotateY(180deg);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cardFloat {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-15px);
  }
}

@keyframes floatingCard {

  0%,
  100% {
    transform: translate(0, 0);
  }

  25% {
    transform: translate(10px, -10px);
  }

  50% {
    transform: translate(-5px, -15px);
  }

  75% {
    transform: translate(-10px, -5px);
  }
}

@keyframes livePulse {

  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(0, 214, 143, 0.7);
  }

  50% {
    opacity: 0.5;
    box-shadow: 0 0 0 10px rgba(0, 214, 143, 0);
  }
}

@keyframes shieldPulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.2);
  }
}

@keyframes scrollWheel {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(10px);
  }
}

/* ============ RESPONSIVE ============ */

/* Tablet and small laptop */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 60px;
  }

  .hero-title {
    font-size: 48px;
  }

  .hero-description {
    margin: 0 auto 30px;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-cta {
    justify-content: center;
  }

  .live-prices {
    justify-content: center;
  }

  .hero-visual {
    max-width: 500px;
    margin: 0 auto;
  }

  .nav-links {
    display: none;
  }

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

/* Mobile phones */
@media (max-width: 768px) {
  .navbar {
    padding: 15px 30px;
  }

  .hero {
    padding: 100px 30px 60px;
  }

  .hero-title {
    font-size: 38px;
  }

  .hero-description {
    font-size: 16px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .nav-actions {
    display: none !important;
  }

  .nav-links {
    display: none !important;
  }

  .floating-crypto {
    display: none;
  }

  .floating-card {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex !important;
  }
}

/* Small phones */
@media (max-width: 480px) {
  .hero-title {
    font-size: 30px;
  }

  .hero-description {
    font-size: 14px;
  }

  .mobile-menu {
    top: 60px !important;
    padding: 15px 20px !important;
    max-height: calc(100vh - 60px) !important;
  }

  .mobile-menu .nav-links a {
    font-size: 14px !important;
    padding: 8px 0 !important;
  }

  .mobile-menu .btn-login,
  .mobile-menu .btn-register {
    font-size: 13px !important;
    padding: 10px !important;
  }
}

/* Apple Watch / Very small screens */
@media (max-width: 320px) {
  .hero-title {
    font-size: 24px;
  }

  .hero-description {
    font-size: 12px;
  }

  .mobile-menu {
    top: 50px !important;
    padding: 12px 15px !important;
    max-height: calc(100vh - 50px) !important;
  }

  .mobile-menu .nav-links a {
    font-size: 12px !important;
    padding: 6px 0 !important;
  }

  .mobile-menu .btn-login,
  .mobile-menu .btn-register {
    font-size: 12px !important;
    padding: 8px !important;
  }

  .hero-cta {
    flex-direction: column;
    gap: 10px;
  }

  .btn-primary,
  .btn-secondary {
    padding: 10px 16px;
    font-size: 12px;
  }
}

/* Desktop - hide hamburger */
@media (min-width: 769px) {
  .mobile-menu-toggle {
    display: none !important;
  }

  .mobile-menu {
    display: none !important;
  }
}

/* ============ ANDROID & CROSS-DEVICE FIXES ============ */

/* Fix for Android Chrome dynamic toolbar */
@supports (-webkit-touch-callout: none) {
  .hero {
    min-height: -webkit-fill-available;
  }
}

/* Fallback for older browsers that don't support dvh */
@supports not (height: 100dvh) {
  .hero {
    min-height: 100vh;
  }
}

/* Fix for all mobile devices - ensures hero takes full viewport height */
@media (max-width: 768px) {
  .hero {
    min-height: 100vh;
    min-height: 100dvh;
    min-height: -webkit-fill-available;
    padding: 80px 25px 50px;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 100vh;
    min-height: 100dvh;
    min-height: -webkit-fill-available;
    padding: 70px 16px 40px;
  }
}

@media (max-width: 320px) {
  .hero {
    min-height: 100vh;
    min-height: 100dvh;
    min-height: -webkit-fill-available;
    padding: 60px 12px 30px;
  }
}

/* Android fix for mobile menu */
@supports (-webkit-touch-callout: none) {
  .mobile-menu {
    max-height: calc(-webkit-fill-available - 70px);
  }
}