/* CSS Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-dark: #0a0e17;
  --secondary-dark: #141a2a;
  --accent-blue: #00d4ff;
  --accent-purple: #8a2be2;
  --accent-green: #00ff9d;
  --text-primary: #f0f4ff;
  --text-secondary: #a0aec0;
  --text-muted: #718096;
  --card-bg: rgba(20, 26, 42, 0.8);
  --card-border: rgba(0, 212, 255, 0.1);
  --success: #00ff9d;
  --warning: #ffb347;
  --danger: #ff4757;
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 25px 50px rgba(0, 0, 0, 0.5);
  --gradient: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  --gradient-dark: linear-gradient(135deg, #141a2a, #0a0e17);
}

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--primary-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Animated Background */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
      radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
      radial-gradient(circle at 80% 70%, rgba(138, 43, 226, 0.05) 0%, transparent 50%),
      var(--primary-dark);
  z-index: -1;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 14, 23, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-main {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 1.5rem;
  color: var(--accent-blue);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.logo-text {
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.5px;
}

.logo-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(0, 212, 255, 0.1);
}

.nav-link.highlighted {
  background: var(--gradient);
  color: white;
  padding: 0.5rem 1.5rem;
}

.nav-link.highlighted:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
}

.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.tagline {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.tag {
  padding: 0.5rem 1rem;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-bottom: 3rem;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
}

.cta-button {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: var(--gradient);
  color: white;
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 212, 255, 0.3);
}

.cta-button.secondary {
  background: transparent;
  border: 1px solid rgba(0, 212, 255, 0.3);
  color: var(--accent-blue);
}

.cta-button.secondary:hover {
  background: rgba(0, 212, 255, 0.1);
}

/* Hero Visual */
.hero-visual {
  position: relative;
}

.visual-card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  border: 1px solid var(--card-border);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.visual-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

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

.card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.card-icon {
  width: 50px;
  height: 50px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-blue);
}

.card-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

.card-status {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  padding: 1rem;
  background: rgba(0, 255, 157, 0.05);
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(0, 255, 157, 0.2);
}

.status-indicator {
  width: 10px;
  height: 10px;
  background: var(--success);
  border-radius: 50%;
  position: relative;
}

.status-indicator.active::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--success);
  opacity: 0.5;
  animation: pulse 2s infinite;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

.mouse {
  width: 30px;
  height: 50px;
  border: 2px solid var(--text-secondary);
  border-radius: 20px;
  display: flex;
  justify-content: center;
  padding-top: 10px;
}

.wheel {
  width: 4px;
  height: 10px;
  background: var(--accent-blue);
  border-radius: 2px;
  animation: scroll 2s infinite;
}

@keyframes scroll {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(15px); opacity: 0; }
}

/* Section Styles */
.content-section {
  padding: 6rem 0;
  position: relative;
}

.dark-section {
  background: var(--secondary-dark);
}

.section-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  margin-bottom: 4rem;
}

.section-header.centered {
  text-align: center;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.label-text {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-blue);
  font-family: 'JetBrains Mono', monospace;
}

.label-line {
  flex: 1;
  height: 1px;
  background: var(--gradient);
  max-width: 100px;
}

.section-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.highlight {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
}

/* About Content */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-blue);
}

.feature-icon {
  width: 50px;
  height: 50px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
  color: var(--accent-blue);
}

.feature-card h4 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.feature-card p {
  font-size: 0.95rem;
  margin: 0;
  color: var(--text-muted);
}

/* Visual Elements */
.visual-container {
  position: relative;
}

.floating-element {
  position: absolute;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--gradient);
  filter: blur(40px);
  opacity: 0.3;
  animation: float 6s ease-in-out infinite;
}

.el1 {
  top: -30px;
  left: -30px;
}

.el2 {
  bottom: -30px;
  right: -30px;
  animation-delay: -3s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

.visual-image {
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
}

.visual-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.visual-image:hover img {
  transform: scale(1.05);
}

.image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(10, 14, 23, 0.9), transparent);
  padding: 2rem;
}

.overlay-text {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: white;
  font-weight: 500;
}

.overlay-text i {
  color: var(--accent-green);
}

/* Tabs */
.features-tabs {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.tabs-header {
  display: flex;
  border-bottom: 1px solid var(--card-border);
  background: rgba(20, 26, 42, 0.5);
}

.tab-button {
  flex: 1;
  padding: 1.5rem 2rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  border-bottom: 3px solid transparent;
}

.tab-button:hover {
  color: var(--text-primary);
  background: rgba(0, 212, 255, 0.05);
}

.tab-button.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
  background: rgba(0, 212, 255, 0.1);
}

.tabs-content {
  padding: 3rem;
}

.tab-pane {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  display: none;
}

.tab-pane.active {
  display: grid;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-content h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.tab-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.feature-list li i {
  color: var(--accent-green);
  font-size: 0.9rem;
}

.tab-visual .visual-card {
  position: relative;
  overflow: hidden;
  padding: 0;
  height: 400px;
}

.tab-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
      transparent, 
      rgba(255, 255, 255, 0.1), 
      transparent);
  animation: shine 3s infinite;
}

@keyframes shine {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Security Grid */
.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.security-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.security-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-blue);
  box-shadow: var(--shadow);
}

.security-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  opacity: 0;
  transition: var(--transition);
}

.security-card:hover::before {
  opacity: 1;
}

.security-icon {
  width: 60px;
  height: 60px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  color: var(--accent-blue);
}

.security-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.security-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.security-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-blue);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.security-note {
  background: rgba(255, 180, 71, 0.1);
  border: 1px solid rgba(255, 180, 71, 0.3);
  border-radius: var(--border-radius);
  padding: 2rem;
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-top: 3rem;
}

.note-icon {
  font-size: 1.5rem;
  color: var(--warning);
  flex-shrink: 0;
}

.security-note p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
}

/* Timeline */
.timeline {
  max-width: 800px;
  margin: 4rem auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient);
  opacity: 0.3;
}

.timeline-step {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step-content {
  flex: 1;
  padding-top: 0.5rem;
}

.step-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.step-content p {
  color: var(--text-secondary);
  line-height: 1.8;
}

.warning-box {
  background: rgba(255, 71, 87, 0.1);
  border: 1px solid rgba(255, 71, 87, 0.3);
  border-radius: var(--border-radius);
  padding: 2rem;
  max-width: 800px;
  margin: 4rem auto 0;
}

.warning-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.warning-header i {
  font-size: 1.5rem;
  color: var(--danger);
}

.warning-header h4 {
  font-size: 1.3rem;
  font-weight: 600;
}

.warning-box p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
}

/* Footer */
.footer {
  background: rgba(10, 14, 23, 0.95);
  border-top: 1px solid rgba(0, 212, 255, 0.1);
  padding: 4rem 0 2rem;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-logo {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.footer-tagline {
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 3rem;
}

.link-group h5 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.link-group a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

.link-group a:hover {
  color: var(--accent-blue);
  transform: translateX(5px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
}

.disclaimer {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto 1.5rem;
}

.footer-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.meta-divider {
  opacity: 0.5;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 212, 255, 0.3);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .hero-container {
      grid-template-columns: 1fr;
      text-align: center;
  }
  
  .hero-stats {
      justify-content: center;
  }
  
  .about-content {
      grid-template-columns: 1fr;
  }
  
  .tab-pane {
      grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
      font-size: 3rem;
  }
  
  .section-title {
      font-size: 2.5rem;
  }
  
  .nav-menu {
      display: none;
  }
  
  .menu-toggle {
      display: block;
  }
  
  .nav-menu.active {
      display: flex;
      flex-direction: column;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: var(--primary-dark);
      padding: 2rem;
      border-top: 1px solid var(--card-border);
  }
  
  .feature-grid {
      grid-template-columns: 1fr;
  }
  
  .footer-main {
      grid-template-columns: 1fr;
      gap: 3rem;
  }
  
  .tabs-header {
      flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero-title {
      font-size: 2.5rem;
  }
  
  .section-title {
      font-size: 2rem;
  }
  
  .hero-stats {
      flex-direction: column;
      gap: 2rem;
  }
  
  .hero-cta {
      flex-direction: column;
  }
  
  .timeline::before {
      left: 15px;
  }
  
  .step-number {
      width: 50px;
      height: 50px;
      font-size: 1rem;
  }
}