/* ============================================
   NETHXEUM OFFICIAL WEBSITE - MAIN STYLESHEET
   Colors based on Nethxeum Logo
   ============================================ */

/* CSS Variables - Nethxeum Brand Colors */
:root {
  /* Primary gradient colors from logo */
  --ntu-cyan: #00D4FF;
  --ntu-blue: #0077FF;
  --ntu-violet: #7B2FF7;
  --ntu-magenta: #E040FB;
  --ntu-purple: #651FFF;
  
  /* Background colors */
  --bg-primary: #0A0A0F;
  --bg-secondary: #0F0F1A;
  --bg-tertiary: #13131F;
  --bg-card: rgba(20, 20, 35, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.03);
  
  /* Text colors */
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.8);
  --text-muted: rgba(255, 255, 255, 0.5);
  --text-accent: #00D4FF;
  
  /* Accent gradients */
  --gradient-primary: linear-gradient(135deg, #00D4FF 0%, #7B2FF7 50%, #E040FB 100%);
  --gradient-cyan-violet: linear-gradient(135deg, #00D4FF 0%, #7B2FF7 100%);
  --gradient-mesh: linear-gradient(135deg, #00D4FF 0%, #0077FF 25%, #7B2FF7 50%, #E040FB 75%, #FF4081 100%);
  
  /* Glassmorphism */
  --glass-bg: rgba(20, 20, 35, 0.4);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  
  /* Spacing */
  --section-padding: 120px;
  --container-max: 1400px;
  
  /* Fonts */
  --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Selection */
::selection {
  background: rgba(0, 212, 255, 0.3);
  color: #fff;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--ntu-cyan), var(--ntu-violet));
  border-radius: 4px;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h4 { font-size: clamp(1.2rem, 2vw, 1.8rem); }

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

/* ============================================
   LAYOUT
   ============================================ */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-padding) 0;
  position: relative;
}

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

/* ============================================
   NAVIGATION
   ============================================ */

.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-smooth);
}

.main-nav.scrolled {
  padding: 10px 0;
  background: rgba(10, 10, 15, 0.95);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: transparent;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-smooth);
}

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language selector */
.lang-selector {
  position: relative;
}

.lang-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: rgba(20, 20, 35, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 8px;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition-smooth);
  z-index: 1001;
}

.lang-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.lang-option:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.lang-option.active {
  background: rgba(0, 212, 255, 0.1);
  color: var(--ntu-cyan);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 24px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-outline {
  background: transparent;
  color: var(--ntu-cyan);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.btn-outline:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--ntu-cyan);
}

.btn-glow {
  position: relative;
}

.btn-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: var(--gradient-primary);
  border-radius: 14px;
  z-index: -1;
  opacity: 0.5;
  filter: blur(12px);
  transition: var(--transition-smooth);
}

.btn-glow:hover::before {
  opacity: 0.8;
  filter: blur(20px);
}

/* ============================================
   GLASSMORPHISM CARDS
   ============================================ */

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 40px;
  transition: var(--transition-smooth);
}

.glass-card:hover {
  background: rgba(20, 20, 35, 0.6);
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 40px;
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-smooth);
}

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

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.2);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 1.8rem;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
}

#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  font-size: 0.9rem;
  color: var(--ntu-cyan);
  margin-bottom: 32px;
}

.hero-title {
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Stats bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-top: 80px;
}

.stat-item {
  text-align: center;
  padding: 24px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ============================================
   PARTICLES CANVAS (for click effects)
   ============================================ */

#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

/* ============================================
   SECTION STYLES
   ============================================ */

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-label {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--ntu-cyan);
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-title {
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

@media (max-width: 1024px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .section { padding: 60px 0; }
}

/* ============================================
   COMPARISON TABLE
   ============================================ */

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 40px;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 24px;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

.comparison-table th {
  background: rgba(0, 212, 255, 0.05);
  font-weight: 600;
  color: var(--ntu-cyan);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 1px;
}

.comparison-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.check { color: #4CAF50; }
.cross { color: #f44336; }
.partial { color: #FF9800; }

/* ============================================
   FOOTER
   ============================================ */

.main-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand .logo-icon {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-links h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: var(--ntu-cyan);
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.social-links a:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--ntu-cyan);
  color: var(--ntu-cyan);
  transform: translateY(-2px);
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ============================================
   MOBILE MENU
   ============================================ */

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 1024px) {
  .mobile-menu-btn { display: block; }
  .nav-links, .nav-cta { display: none; }
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 400px;
  height: 100vh;
  background: rgba(10, 10, 15, 0.98);
  backdrop-filter: blur(20px);
  z-index: 2000;
  transition: var(--transition-smooth);
  padding: 80px 32px 32px;
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

.mobile-menu-links {
  list-style: none;
}

.mobile-menu-links li {
  margin-bottom: 4px;
}

.mobile-menu-links a {
  display: block;
  padding: 14px 0;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-smooth);
}

.mobile-menu-links a:hover {
  color: var(--ntu-cyan);
  padding-left: 12px;
}

.mobile-menu-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--ntu-cyan);
  margin: 24px 0 12px;
  font-weight: 700;
}

/* ============================================
   MOBILE LANGUAGE SELECTOR
   ============================================ */

.mobile-lang-selector {
  display: none;
  position: relative;
}

@media (max-width: 1024px) {
  .mobile-lang-selector {
    display: block;
    margin-right: 12px;
  }
  
  .nav-container {
    justify-content: space-between;
  }
  
  .nav-container > .nav-logo {
    flex: 1;
  }
}

.mobile-lang-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  transition: var(--transition-smooth);
}

.mobile-lang-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.mobile-lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: rgba(20, 20, 35, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 8px;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition-smooth);
  z-index: 1002;
  max-height: 60vh;
  overflow-y: auto;
}

.mobile-lang-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ============================================
   RTL SUPPORT
   ============================================ */

[dir="rtl"] .nav-container {
  flex-direction: row-reverse;
}

[dir="rtl"] .nav-links {
  flex-direction: row-reverse;
}

[dir="rtl"] .hero-content {
  text-align: right;
}

[dir="rtl"] .section-header {
  text-align: center;
}

[dir="rtl"] .footer-grid {
  direction: rtl;
}

[dir="rtl"] .footer-links ul {
  padding-right: 0;
}

[dir="rtl"] .comparison-table th,
[dir="rtl"] .comparison-table td {
  text-align: right;
}

[dir="rtl"] .timeline {
  padding-left: 0;
  padding-right: 40px;
}

[dir="rtl"] .timeline::before {
  left: auto;
  right: 0;
}

[dir="rtl"] .timeline-item::before {
  left: auto;
  right: -44px;
}

[dir="rtl"] .mobile-lang-dropdown {
  right: auto;
  left: 0;
}

[dir="rtl"] .mobile-menu {
  right: auto;
  left: -100%;
}

[dir="rtl"] .mobile-menu.active {
  right: auto;
  left: 0;
}

[dir="rtl"] .mobile-menu-close {
  right: auto;
  left: 24px;
}

/* ============================================
   DOWNLOAD PAGE STYLES
   ============================================ */

.download-section {
  padding-top: 140px;
  min-height: 100vh;
}

.download-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.download-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.download-card-header {
  padding: 40px;
  border-bottom: 1px solid var(--glass-border);
}

.download-card-body {
  padding: 40px;
}

.screenshot-container {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  margin-bottom: 32px;
}

.screenshot-container img {
  width: 100%;
  display: block;
}

.download-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin: 32px 0;
}

.download-meta-item {
  padding: 20px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  border: 1px solid var(--glass-border);
}

.download-meta-item h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ntu-cyan);
  margin-bottom: 8px;
}

.download-meta-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.platform-card {
  padding: 24px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  text-align: center;
  transition: var(--transition-smooth);
}

.platform-card:hover {
  background: rgba(0, 212, 255, 0.05);
  border-color: rgba(0, 212, 255, 0.2);
}

.platform-card.coming-soon {
  opacity: 0.5;
}

.platform-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.platform-name {
  font-weight: 600;
  margin-bottom: 4px;
}

.platform-status {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================
   TIMELINE
   ============================================ */

.timeline {
  position: relative;
  padding-left: 40px;
}

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

.timeline-item {
  position: relative;
  padding-bottom: 48px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -44px;
  top: 4px;
  width: 10px;
  height: 10px;
  background: var(--ntu-cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.2);
}

.timeline-item.completed::before {
  background: #4CAF50;
  box-shadow: 0 0 0 4px rgba(76, 175, 80, 0.2);
}

.timeline-date {
  font-size: 0.85rem;
  color: var(--ntu-cyan);
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.timeline-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ============================================
   CODE BLOCKS
   ============================================ */

.code-block {
  background: #0D0D14;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 24px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.code-block .comment { color: #6A9955; }
.code-block .keyword { color: #569CD6; }
.code-block .string { color: #CE9178; }
.code-block .number { color: #B5CEA8; }

/* ============================================
   ACCORDION (FAQ)
   ============================================ */

.accordion-item {
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
}

.accordion-header {
  padding: 20px 24px;
  background: var(--glass-bg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.accordion-header:hover {
  background: rgba(255, 255, 255, 0.05);
}

.accordion-icon {
  transition: var(--transition-smooth);
  color: var(--ntu-cyan);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.accordion-item.active .accordion-body {
  max-height: 1000px;
}

.accordion-content {
  padding: 0 24px 24px;
  color: var(--text-secondary);
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.3); }
  50% { box-shadow: 0 0 40px rgba(0, 212, 255, 0.5); }
}

.animate-in {
  animation: fadeInUp 0.8s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* Floating animation for hero elements */
.float-animation {
  animation: float 6s ease-in-out infinite;
}

/* Glow animation */
.glow-animation {
  animation: glow 3s ease-in-out infinite;
}

/* ============================================
   SPECIFICATIONS GRID
   ============================================ */

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.spec-card {
  padding: 28px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  transition: var(--transition-smooth);
}

.spec-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-4px);
}

.spec-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ntu-cyan);
  margin-bottom: 8px;
}

.spec-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.spec-detail {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================
   HALVING VISUALIZATION
   ============================================ */

.halving-chart {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 40px;
  margin-top: 40px;
}

.halving-bar-container {
  margin-bottom: 24px;
}

.halving-bar-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.halving-bar {
  height: 32px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  overflow: hidden;
}

.halving-bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 8px;
  transition: width 1.5s ease;
}

/* ============================================
   NETWORK STATUS INDICATOR
   ============================================ */

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(76, 175, 80, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  color: #4CAF50;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #4CAF50;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

/* Warning banner */
.warning-banner {
  background: rgba(255, 152, 0, 0.1);
  border: 1px solid rgba(255, 152, 0, 0.2);
  border-radius: 12px;
  padding: 20px 24px;
  margin: 24px 0;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.warning-banner-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.warning-banner h4 {
  color: #FF9800;
  margin-bottom: 4px;
}

.warning-banner p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Info banner */
.info-banner {
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 12px;
  padding: 20px 24px;
  margin: 24px 0;
}

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

@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
  }
  
  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 40px;
  }
  
  .download-meta {
    grid-template-columns: 1fr;
  }
  
  .platform-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   MINING ANIMATION
   ============================================ */

.mining-animation-container {
  position: relative;
  width: 100%;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pickaxe {
  font-size: 6rem;
  position: absolute;
  animation: mineSwing 2s ease-in-out infinite;
  transform-origin: bottom center;
}

@keyframes mineSwing {
  0%, 100% { transform: rotate(-30deg); }
  50% { transform: rotate(30deg); }
}

.rock {
  width: 120px;
  height: 120px;
  background: transparent;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

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

.spark {
  position: absolute;
  width: 4px;
  height: 4px;
  background: #FFD700;
  border-radius: 50%;
  animation: spark 0.5s ease-out forwards;
}

@keyframes spark {
  0% { opacity: 1; transform: translate(0, 0) scale(1); }
  100% { opacity: 0; transform: translate(var(--tx), var(--ty)) scale(0); }
}