/* ============================================
   AI-BTC Compute Factory - Cyberpunk Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-abyss: #0A0B0E;
  --bg-card: rgba(12, 14, 20, 0.85);
  --bg-card-hover: rgba(16, 18, 26, 0.95);
  --neon-cyan: #00F0FF;
  --neon-green: #00FF88;
  --neon-red: #FF3366;
  --neon-gold: #FFB800;
  --text-primary: #E0E6ED;
  --text-secondary: #6B7A8D;
  --text-dim: #3A4555;
  --border-glow: rgba(0, 240, 255, 0.12);
  --border-glow-hover: rgba(0, 240, 255, 0.3);
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --radius: 6px;
  --radius-lg: 8px;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-abyss);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: color 0.3s var(--ease-out);
}

a:hover {
  color: var(--neon-green);
}

/* --- Scanline Effect --- */
.scanline {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.08), transparent);
  z-index: 9999;
  pointer-events: none;
  animation: scanMove 4s linear infinite;
}

@keyframes scanMove {
  0% { top: -4px; }
  100% { top: 100vh; }
}

/* --- Particle Canvas --- */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* --- Utility Classes --- */
.text-glow-green {
  color: var(--neon-green);
  text-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
}

.text-glow-cyan {
  color: var(--neon-cyan);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 11, 14, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glow);
  transition: all 0.3s var(--ease-out);
}

.navbar.scrolled {
  background: rgba(10, 11, 14, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 2px;
}

.brand-icon {
  color: var(--neon-cyan);
  font-size: 20px;
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s var(--ease-out);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--neon-cyan);
  transition: width 0.3s var(--ease-out);
}

.nav-links a:hover {
  color: var(--neon-cyan);
}

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

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

.lang-switch {
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  padding: 6px 14px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
}

.lang-switch:hover {
  border-color: var(--border-glow-hover);
  background: rgba(0, 240, 255, 0.1);
}

.lang-switch .lang-active {
  color: var(--neon-cyan);
  font-weight: 600;
}

.lang-switch .lang-divider {
  margin: 0 4px;
  opacity: 0.3;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  transition: all 0.3s var(--ease-out);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  width: 100%;
  background: rgba(10, 11, 14, 0.98);
  border-bottom: 1px solid var(--border-glow);
  padding: 20px 24px;
  z-index: 999;
  flex-direction: column;
  gap: 16px;
}

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

.mobile-menu a {
  font-size: 16px;
  color: var(--text-secondary);
  padding: 8px 0;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: saturate(1.2);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 11, 14, 0.6) 0%,
    rgba(10, 11, 14, 0.4) 40%,
    rgba(10, 11, 14, 0.8) 80%,
    rgba(10, 11, 14, 1) 100%
  );
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridPulse 8s ease-in-out infinite;
}

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

/* HUD Overlays */
.hero-hud {
  position: absolute;
  inset: 80px 40px 40px 40px;
  z-index: 2;
  pointer-events: none;
}

.hud-item {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 12px;
}

.hud-label {
  display: block;
  color: var(--text-dim);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.hud-value {
  color: var(--neon-cyan);
  font-weight: 600;
  font-size: 14px;
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.3);
}

.hud-online {
  color: var(--neon-green);
  text-shadow: 0 0 8px rgba(0, 255, 136, 0.3);
}

.hud-green {
  color: var(--neon-green);
}

.hud-top-left { top: 0; left: 0; }
.hud-top-right { top: 0; right: 0; text-align: right; }
.hud-bottom-left { bottom: 0; left: 0; }
.hud-bottom-right { bottom: 0; right: 0; text-align: right; }

/* Hero Content - Two Column Layout */
.hero-content {
  position: relative;
  z-index: 3;
  max-width: 1280px;
  width: 100%;
  padding: 100px 40px 60px;
  display: flex;
  align-items: center;
  gap: 48px;
}

/* Left Column */
.hero-left {
  flex: 1;
  min-width: 0;
  text-align: left;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid var(--border-glow);
  border-radius: 20px;
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon-cyan);
  margin-bottom: 24px;
  animation: badgePulse 3s ease-in-out infinite;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 8px rgba(0, 255, 136, 0.6);
  animation: dotBlink 2s ease-in-out infinite;
}

@keyframes dotBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@keyframes badgePulse {
  0%, 100% { border-color: var(--border-glow); }
  50% { border-color: var(--border-glow-hover); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 44px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: clamp(14px, 1.4vw, 16px);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 540px;
}

/* Right Column - Video Card */
.hero-right {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-card {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-abyss);
}

.video-card-border {
  position: absolute;
  inset: 0;
  border: 1.5px solid var(--neon-cyan);
  border-radius: var(--radius-lg);
  opacity: 0.5;
  z-index: 3;
  pointer-events: none;
  box-shadow:
    inset 0 0 30px rgba(0, 240, 255, 0.08),
    0 0 20px rgba(0, 240, 255, 0.15),
    0 0 60px rgba(0, 240, 255, 0.05);
  animation: videoBorderPulse 4s ease-in-out infinite;
}

@keyframes videoBorderPulse {
  0%, 100% {
    opacity: 0.4;
    box-shadow:
      inset 0 0 30px rgba(0, 240, 255, 0.06),
      0 0 15px rgba(0, 240, 255, 0.1),
      0 0 40px rgba(0, 240, 255, 0.03);
  }
  50% {
    opacity: 0.8;
    box-shadow:
      inset 0 0 40px rgba(0, 240, 255, 0.12),
      0 0 25px rgba(0, 240, 255, 0.2),
      0 0 80px rgba(0, 240, 255, 0.08);
  }
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Video Scanline */
.video-scanline {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.25), transparent);
  z-index: 4;
  pointer-events: none;
  animation: videoScanMove 3s linear infinite;
}

@keyframes videoScanMove {
  0% { top: -3px; }
  100% { top: 100%; }
}

/* Video HUD Overlay */
.video-overlay-hud {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.video-hud-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.video-live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 51, 102, 0.15);
  border: 1px solid rgba(255, 51, 102, 0.4);
  border-radius: 3px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--neon-red);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.live-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--neon-red);
  box-shadow: 0 0 6px rgba(255, 51, 102, 0.8);
  animation: dotBlink 1.2s ease-in-out infinite;
}

.video-hud-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(224, 230, 237, 0.6);
  background: rgba(10, 11, 14, 0.6);
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: 1px;
}

.video-hud-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.video-hud-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(224, 230, 237, 0.4);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.video-hud-value {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
}

.video-hud-online {
  color: var(--neon-green);
  text-shadow: 0 0 8px rgba(0, 255, 136, 0.4);
}

/* Video Corner Decorations */
.video-corner {
  position: absolute;
  width: 16px;
  height: 16px;
  z-index: 6;
  pointer-events: none;
}

.video-corner-tl {
  top: 6px;
  left: 6px;
  border-top: 2px solid var(--neon-cyan);
  border-left: 2px solid var(--neon-cyan);
}

.video-corner-tr {
  top: 6px;
  right: 6px;
  border-top: 2px solid var(--neon-cyan);
  border-right: 2px solid var(--neon-cyan);
}

.video-corner-bl {
  bottom: 6px;
  left: 6px;
  border-bottom: 2px solid var(--neon-cyan);
  border-left: 2px solid var(--neon-cyan);
}

.video-corner-br {
  bottom: 6px;
  right: 6px;
  border-bottom: 2px solid var(--neon-cyan);
  border-right: 2px solid var(--neon-cyan);
}

/* Video Ended Fallback - animated data center simulation */
.hero-video-card.video-ended .hero-video {
  opacity: 0;
}

.hero-video-card.video-ended::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,240,255,0.03) 0%, transparent 50%, rgba(0,255,136,0.03) 100%),
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,240,255,0.015) 2px, rgba(0,240,255,0.015) 4px),
    repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(0,240,255,0.02) 40px, rgba(0,240,255,0.02) 41px);
  z-index: 1;
  animation: dataGridPulse 4s ease-in-out infinite;
}

.hero-video-card.video-ended::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(0,240,255,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 30%, rgba(0,255,136,0.06) 0%, transparent 50%);
  z-index: 2;
  animation: dataGlowShift 6s ease-in-out infinite alternate;
  pointer-events: none;
}

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

@keyframes dataGlowShift {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.1); opacity: 1; }
}

/* Hero Audit Input */
.hero-audit {
  margin-bottom: 32px;
}

.audit-input-group {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  backdrop-filter: blur(10px);
}

.audit-select {
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  padding: 10px 16px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 14px;
  outline: none;
  cursor: pointer;
  min-width: 160px;
}

.audit-select:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.15);
}

.audit-select option {
  background: var(--bg-abyss);
  color: var(--text-primary);
}

.audit-qty {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  overflow: hidden;
}

.qty-btn {
  background: rgba(0, 240, 255, 0.06);
  border: none;
  color: var(--neon-cyan);
  font-size: 18px;
  width: 36px;
  height: 40px;
  cursor: pointer;
  transition: background 0.2s;
}

.qty-btn:hover {
  background: rgba(0, 240, 255, 0.15);
}

.qty-input {
  background: transparent;
  border: none;
  border-left: 1px solid var(--border-glow);
  border-right: 1px solid var(--border-glow);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 14px;
  text-align: center;
  width: 60px;
  height: 40px;
  outline: none;
}

.qty-input::-webkit-inner-spin-button,
.qty-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
}

.audit-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--neon-cyan), #00b8cc);
  border: none;
  border-radius: var(--radius);
  padding: 10px 24px;
  color: var(--bg-abyss);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  white-space: nowrap;
}

.audit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 240, 255, 0.3);
}

.btn-arrow {
  font-size: 16px;
  transition: transform 0.3s var(--ease-out);
}

.audit-btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* Scroll Indicator */
.scroll-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}

.scroll-indicator span {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.scroll-line {
  width: 30px;
  height: 1px;
  background: linear-gradient(to right, var(--neon-cyan), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; width: 30px; }
  50% { opacity: 1; width: 45px; }
}

/* --- Section Common --- */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--neon-cyan);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding: 4px 12px;
  border: 1px solid var(--border-glow);
  border-radius: 3px;
  background: rgba(0, 240, 255, 0.04);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- BTC Chart Section --- */
.btc-section {
  position: relative;
  background: linear-gradient(180deg, var(--bg-abyss), rgba(0, 240, 255, 0.02), var(--bg-abyss));
}

/* Data Info Bar */
.chart-data-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  margin-bottom: 16px;
  overflow-x: auto;
  flex-wrap: wrap;
}

.chart-data-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 100px;
}

.chart-data-price {
  min-width: 160px;
}

.chart-data-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.chart-data-value-row {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.chart-data-currency {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--text-secondary);
}

.chart-data-price-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  transition: color 0.3s;
}

.chart-data-price-value.flash-green {
  color: var(--neon-green);
  text-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
}

.chart-data-price-value.flash-red {
  color: var(--neon-red);
  text-shadow: 0 0 20px rgba(255, 51, 102, 0.4);
}

.chart-data-change {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.chart-data-change.positive {
  color: var(--neon-green);
}

.chart-data-change.negative {
  color: var(--neon-red);
}

.chart-change-24h {
  color: var(--text-dim);
  font-size: 11px;
}

.chart-data-divider {
  width: 1px;
  height: 40px;
  background: var(--border-glow);
  flex-shrink: 0;
}

.chart-data-value {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.chart-data-sub {
  font-size: 11px;
  color: var(--text-dim);
}

.chart-data-ai .chart-data-value {
  color: var(--neon-green);
  text-shadow: 0 0 12px rgba(0, 255, 136, 0.3);
}

/* Chart Container */
.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.chart-timeframe-bar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-glow);
  background: rgba(10, 11, 14, 0.5);
}

.tf-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 4px 12px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
}

.tf-btn:hover {
  color: var(--text-secondary);
  background: rgba(0, 240, 255, 0.04);
}

.tf-btn.active {
  color: var(--neon-cyan);
  border-color: rgba(0, 240, 255, 0.2);
  background: rgba(0, 240, 255, 0.06);
}

.tf-live-indicator {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--neon-green);
  letter-spacing: 1px;
}

.live-dot-sm {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 6px rgba(0, 255, 136, 0.6);
  animation: dotBlink 1.5s ease-in-out infinite;
}

.kline-chart {
  width: 100%;
  height: 420px;
}

/* Ticker Status */
.ticker-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  margin-top: 16px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 8px rgba(0, 255, 136, 0.6);
  animation: dotBlink 2s ease-in-out infinite;
}

.status-dot.offline {
  background: var(--neon-red);
  box-shadow: 0 0 8px rgba(255, 51, 102, 0.6);
}

.status-dot.online {
  background: var(--neon-green);
  box-shadow: 0 0 8px rgba(0, 255, 136, 0.6);
}

.status-time {
  color: var(--text-secondary);
}

/* --- Calculator Section --- */
.calculator-section {
  position: relative;
}

.calc-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(10px);
}

.calc-controls {
  display: flex;
  gap: 20px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border-glow);
}

.calc-field {
  flex: 1;
  min-width: 180px;
}

.calc-field label {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  font-family: var(--font-mono);
}

.calc-select, .calc-input {
  width: 100%;
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 14px;
  outline: none;
  transition: border-color 0.3s;
}

.calc-select:focus, .calc-input:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.1);
}

.calc-select option {
  background: var(--bg-abyss);
}

.calc-btn {
  background: linear-gradient(135deg, var(--neon-green), #00cc6a);
  border: none;
  border-radius: var(--radius);
  padding: 12px 32px;
  color: var(--bg-abyss);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  white-space: nowrap;
}

.calc-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 255, 136, 0.3);
}

/* Calculator Results */
.calc-compare {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 32px;
}

.calc-result-card {
  flex: 1;
  max-width: 280px;
  text-align: center;
  padding: 30px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glow);
  background: rgba(10, 11, 14, 0.6);
}

.calc-old {
  border-color: rgba(255, 51, 102, 0.15);
}

.calc-new {
  border-color: rgba(0, 255, 136, 0.2);
  background: rgba(0, 255, 136, 0.03);
}

.calc-result-label {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 12px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.calc-result-value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}

.calc-currency {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--text-secondary);
}

.calc-number {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
}

.calc-old .calc-number {
  color: var(--text-secondary);
}

.calc-result-period {
  font-size: 12px;
  color: var(--text-dim);
}

.calc-vs {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dim);
  padding: 8px 16px;
  border: 1px solid var(--border-glow);
  border-radius: 50%;
}

.calc-monthly {
  text-align: center;
  padding: 24px;
  background: rgba(0, 255, 136, 0.03);
  border: 1px solid rgba(0, 255, 136, 0.12);
  border-radius: var(--radius-lg);
}

.monthly-label {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 8px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.monthly-value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  margin-bottom: 12px;
}

.monthly-currency {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--neon-green);
}

.monthly-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 900;
  color: var(--neon-green);
  text-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
}

.monthly-boost {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.boost-badge {
  font-size: 12px;
  color: var(--text-dim);
  padding: 3px 10px;
  border: 1px solid var(--border-glow);
  border-radius: 3px;
}

.boost-value {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--neon-green);
}

/* --- Technology Section --- */
.tech-section {
  background: linear-gradient(180deg, var(--bg-abyss), rgba(0, 240, 255, 0.015), var(--bg-abyss));
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: all 0.4s var(--ease-out);
}

.tech-card:hover {
  border-color: var(--border-glow-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.tech-icon {
  margin-bottom: 24px;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
}

.tech-card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.tech-card-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.tech-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.feat-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon-cyan);
  box-shadow: 0 0 6px rgba(0, 240, 255, 0.4);
  flex-shrink: 0;
}

/* --- Network Section --- */
.network-section {
  position: relative;
}

.network-content {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.world-map-container {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 24px;
  overflow: hidden;
}

.world-map {
  width: 100%;
  height: auto;
}

.map-label {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.08);
  padding: 2px 8px;
  border-radius: 3px;
  border: 1px solid rgba(0, 240, 255, 0.15);
  pointer-events: none;
}

.network-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.stat-card {
  text-align: center;
  padding: 30px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  transition: all 0.3s var(--ease-out);
}

.stat-card:hover {
  border-color: var(--border-glow-hover);
  transform: translateY(-4px);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* --- Checkout Section --- */
.checkout-section {
  background: linear-gradient(180deg, var(--bg-abyss), rgba(255, 184, 0, 0.02), var(--bg-abyss));
}

.checkout-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid rgba(255, 184, 0, 0.15);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.checkout-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 30px;
  border-bottom: 1px solid var(--border-glow);
  background: rgba(255, 184, 0, 0.02);
}

.package-label {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.package-name {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 280px;
}

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

.price-amount {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 900;
  color: var(--neon-gold);
  text-shadow: 0 0 20px rgba(255, 184, 0, 0.3);
}

.price-unit {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
}

.checkout-features {
  padding: 24px 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-bottom: 1px solid var(--border-glow);
}

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

.feat-check {
  color: var(--neon-green);
  font-weight: 700;
  font-size: 16px;
}

.checkout-form {
  padding: 30px;
}

.checkout-label {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  font-family: var(--font-mono);
}

.checkout-input {
  width: 100%;
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 14px;
  outline: none;
  margin-bottom: 16px;
  transition: border-color 0.3s;
}

.checkout-input:focus {
  border-color: var(--neon-gold);
  box-shadow: 0 0 12px rgba(255, 184, 0, 0.1);
}

.checkout-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--neon-gold), #e6a600);
  border: none;
  border-radius: var(--radius);
  padding: 16px 32px;
  color: var(--bg-abyss);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
}

.checkout-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 184, 0, 0.3);
}

.checkout-btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* --- FAQ Section --- */
.faq-section {
  position: relative;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s;
}

.faq-item:hover, .faq-item.active {
  border-color: var(--border-glow-hover);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  transition: color 0.3s;
}

.faq-question::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--neon-cyan);
  transition: transform 0.3s var(--ease-out);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out);
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

/* Security Notice */
.security-notice {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 30px;
  background: rgba(0, 255, 136, 0.03);
  border: 1px solid rgba(0, 255, 136, 0.12);
  border-radius: var(--radius-lg);
}

.security-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.security-text h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--neon-green);
  margin-bottom: 6px;
}

.security-text p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border-glow);
  background: rgba(8, 9, 12, 0.95);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px 30px;
}

.footer-cta {
  text-align: center;
  margin-bottom: 50px;
}

.footer-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.footer-btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--neon-cyan), #00b8cc);
  color: var(--bg-abyss);
  font-weight: 700;
  font-size: 15px;
  padding: 14px 40px;
  border-radius: var(--radius);
  transition: all 0.3s var(--ease-out);
}

.footer-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 240, 255, 0.3);
  color: var(--bg-abyss);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-glow);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--neon-cyan);
  letter-spacing: 1px;
}

.footer-copy {
  font-size: 12px;
  color: var(--text-dim);
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-ticker-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

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

.footer-links a {
  font-size: 12px;
  color: var(--text-dim);
  transition: color 0.3s;
}

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

.footer-lang {
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  padding: 4px 12px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.3s;
}

.footer-lang:hover {
  border-color: var(--border-glow-hover);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-content {
    gap: 32px;
    padding: 100px 24px 50px;
  }
  .hero-title {
    font-size: clamp(22px, 2.6vw, 36px);
  }
  .chart-data-bar {
    flex-wrap: wrap;
    gap: 12px;
  }
  .chart-data-price {
    min-width: 100%;
  }
  .tech-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .hero-hud {
    display: none;
  }
  .hero-content {
    flex-direction: column;
    padding: 90px 16px 40px;
    gap: 28px;
  }
  .hero-left {
    text-align: center;
    width: 100%;
  }
  .hero-badge {
    justify-content: center;
  }
  .hero-title {
    font-size: 22px;
  }
  .hero-subtitle {
    font-size: 14px;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-right {
    width: 100%;
  }
  .video-card {
    width: 100%;
    aspect-ratio: 16 / 9;
  }
  .audit-input-group {
    flex-direction: column;
    padding: 12px 14px;
  }
  .audit-select, .audit-qty, .audit-btn {
    width: 100%;
  }
  .audit-btn {
    padding: 14px 20px;
    font-size: 15px;
    justify-content: center;
  }
  .scroll-indicator {
    justify-content: center;
  }
  .chart-data-bar {
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 16px;
  }
  .chart-data-divider {
    display: none;
  }
  .chart-data-item {
    min-width: 80px;
  }
  .chart-data-price-value {
    font-size: 22px;
  }
  .kline-chart {
    height: 300px;
  }
  .calc-controls {
    flex-direction: column;
  }
  .calc-compare {
    flex-direction: column;
  }
  .calc-result-card {
    max-width: 100%;
  }
  .calc-vs {
    border-radius: var(--radius);
  }
  .network-stats {
    grid-template-columns: 1fr;
  }
  .checkout-header {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .checkout-price {
    text-align: center;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .footer-left, .footer-right {
    flex-direction: column;
    gap: 12px;
  }
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  .security-notice {
    flex-direction: column;
    text-align: center;
  }
  .section-container {
    padding: 60px 16px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 18px;
  }
  .hero-subtitle {
    font-size: 13px;
  }
  .hero-badge {
    font-size: 11px;
    padding: 5px 12px;
  }
  .video-card {
    border-radius: 4px;
  }
  .video-live-badge {
    font-size: 9px;
    padding: 2px 6px;
  }
  .video-hud-time {
    font-size: 10px;
  }
  .monthly-number {
    font-size: 36px;
  }
  .stat-value {
    font-size: 24px;
  }
  .price-amount {
    font-size: 36px;
  }
}