/* ==========================================================================
   CyberGhost VPN - Official Design System & Modern Cyber Engineering Styles
   Theme: Obsidian Midnight Titanium & Matrix Emerald / Cyber Quantum Cyan
   Author: CyberGhost Core Engineering Architecture
   Domain: cyberghost.homes
   ========================================================================== */

:root {
  --bg-primary: #06090c;
  --bg-secondary: #0b1117;
  --bg-card: #101820;
  --bg-card-hover: #15202b;
  --bg-elevated: #182330;
  
  --border-subtle: rgba(0, 255, 136, 0.12);
  --border-cyan: rgba(0, 229, 255, 0.18);
  --border-strong: rgba(0, 255, 136, 0.35);
  
  --accent-emerald: #00ff88;
  --accent-emerald-dim: #02b85a;
  --accent-cyan: #00e5ff;
  --accent-cyan-dim: #0098ad;
  --accent-amber: #ffaa00;
  --accent-danger: #ff3366;
  
  --accent-gradient: linear-gradient(135deg, #00ff88 0%, #00e5ff 100%);
  --accent-gradient-rev: linear-gradient(135deg, #00e5ff 0%, #00ff88 100%);
  --surface-gradient: linear-gradient(180deg, rgba(16, 24, 32, 0.8) 0%, rgba(11, 17, 23, 0.95) 100%);
  
  --glow-emerald: 0 0 24px rgba(0, 255, 136, 0.28);
  --glow-cyan: 0 0 24px rgba(0, 229, 255, 0.28);
  --glow-subtle: 0 0 12px rgba(0, 255, 136, 0.15);
  
  --text-primary: #e6f1f5;
  --text-secondary: #94a7b7;
  --text-muted: #556775;
  --text-highlight: #ffffff;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", SFMono-Regular, Consolas, Monaco, monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(0, 255, 136, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(0, 229, 255, 0.04) 0%, transparent 45%),
    linear-gradient(180deg, rgba(6, 9, 12, 0.98) 0%, var(--bg-primary) 100%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

img, svg {
  vertical-align: middle;
  max-width: 100%;
}

button, input, select, textarea {
  font-family: inherit;
  color: inherit;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-title-wrap {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 50px auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-emerald);
  margin-bottom: 16px;
}

.section-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulseDot 2s infinite ease-in-out;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-highlight);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

/* Navigation Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(6, 9, 12, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 255, 136, 0.1);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  color: var(--text-highlight);
}

.brand-icon-box {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.15) 0%, rgba(0, 229, 255, 0.15) 100%);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-subtle);
  transition: var(--transition);
}

.brand-logo:hover .brand-icon-box {
  box-shadow: var(--glow-emerald);
  transform: scale(1.05);
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.brand-name span {
  color: var(--accent-emerald);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 4px;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-highlight);
}

.nav-link.active::after, .nav-link:hover::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent-gradient);
  color: #04080a;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(0, 255, 136, 0.3);
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(0, 255, 136, 0.45);
  color: #000;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(16, 24, 32, 0.85);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-cyan);
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  color: var(--text-highlight);
  box-shadow: var(--glow-cyan);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: transparent;
  transition: var(--transition);
}

.btn-ghost:hover {
  background: rgba(0, 229, 255, 0.08);
  color: #ffffff;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 6px;
}

/* Hero Section */
.hero-section {
  padding: 85px 0 60px 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(0, 229, 255, 0.07);
  border: 1px solid var(--border-cyan);
  color: var(--accent-cyan);
}

.hero-pill.green {
  background: rgba(0, 255, 136, 0.07);
  border-color: var(--border-subtle);
  color: var(--accent-emerald);
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: var(--text-highlight);
  margin-bottom: 20px;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-guarantee-note {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.hero-guarantee-note span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-telemetry-card {
  background: var(--surface-gradient);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.hero-telemetry-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
}

.telemetry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 14px;
  margin-bottom: 18px;
}

.telemetry-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
}

.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--accent-emerald);
  background: rgba(0, 255, 136, 0.1);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.telemetry-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.metric-box {
  background: rgba(6, 9, 12, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 14px;
}

.metric-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 4px;
}

.metric-value {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.metric-value.emerald {
  color: var(--accent-emerald);
}

.telemetry-console {
  background: #040608;
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  border-left: 3px solid var(--accent-emerald);
  line-height: 1.5;
}

.telemetry-console .log-line {
  display: block;
  margin-bottom: 4px;
}

.telemetry-console .log-green {
  color: var(--accent-emerald);
}

.telemetry-console .log-cyan {
  color: var(--accent-cyan);
}

/* Feature Cards & Architecture Matrix */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface-gradient);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-emerald);
  box-shadow: var(--shadow-card), var(--glow-subtle);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-emerald);
  margin-bottom: 22px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: rgba(0, 255, 136, 0.16);
  border-color: var(--accent-emerald);
  color: #ffffff;
  box-shadow: 0 0 16px rgba(0, 255, 136, 0.3);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 18px;
  flex-grow: 1;
}

.feature-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.f-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* Interactive Dashboards Styling */
.dashboard-container {
  background: var(--surface-gradient);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  margin-bottom: 40px;
}

.dash-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.dash-info h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 4px;
}

.dash-info p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.dash-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.dash-btn {
  background: rgba(16, 24, 32, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.dash-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-highlight);
  border-color: var(--accent-cyan);
}

.dash-btn.active {
  background: rgba(0, 229, 255, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: var(--glow-subtle);
}

.dash-btn.active-emerald {
  background: rgba(0, 255, 136, 0.15);
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
}

.canvas-wrapper {
  position: relative;
  width: 100%;
  height: 280px;
  background: #04070a;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 255, 136, 0.15);
  overflow: hidden;
  margin-bottom: 20px;
}

.canvas-wrapper canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.dash-metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.dash-metric-card {
  background: rgba(6, 9, 12, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
}

.dash-metric-card .d-label {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 4px;
}

.dash-metric-card .d-val {
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent-emerald);
}

/* Nodes Grid for BGP Dashboard */
.nodes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.node-item {
  background: rgba(6, 9, 12, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.node-item:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 229, 255, 0.04);
}

.node-name {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-primary);
}

.node-type {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.node-ping {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-emerald);
  background: rgba(0, 255, 136, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

/* Comparison Table */
.comparison-table-wrap {
  background: var(--surface-gradient);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th, .comparison-table td {
  padding: 18px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.comparison-table th {
  background: rgba(6, 9, 12, 0.9);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.comparison-table th.brand-col {
  background: rgba(0, 255, 136, 0.08);
  color: var(--accent-emerald);
  font-size: 1.1rem;
  border-top: 2px solid var(--accent-emerald);
}

.comparison-table td.brand-col {
  background: rgba(0, 255, 136, 0.03);
  font-weight: 600;
  color: #ffffff;
}

.check-icon {
  color: var(--accent-emerald);
  font-weight: bold;
}

.cross-icon {
  color: var(--accent-danger);
  font-weight: bold;
}

/* Pricing Section & Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: var(--surface-gradient);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-card), var(--glow-cyan);
}

.pricing-card.featured {
  border-color: var(--accent-emerald);
  background: linear-gradient(180deg, rgba(16, 26, 32, 0.95) 0%, rgba(8, 14, 18, 0.98) 100%);
  box-shadow: var(--shadow-card), var(--glow-emerald);
}

.pricing-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: #04080a;
  font-weight: 800;
  font-size: 0.76rem;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pricing-tier-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 6px;
}

.pricing-tier-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.price-box {
  margin-bottom: 28px;
}

.price-currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-emerald);
  vertical-align: top;
}

.price-number {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1;
  font-family: var(--font-mono);
  color: var(--text-highlight);
}

.price-period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
}

/* FAQ Section */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface-gradient);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(0, 255, 136, 0.3);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-highlight);
  cursor: pointer;
  transition: var(--transition);
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--accent-cyan);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--accent-emerald);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease-out;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  padding: 0 24px 22px 24px;
}

/* News & Bulletins Section / Page */
.news-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.news-filter-btn {
  background: rgba(16, 24, 32, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.news-filter-btn:hover {
  border-color: var(--accent-emerald);
  color: var(--text-highlight);
}

.news-filter-btn.active {
  background: rgba(0, 255, 136, 0.15);
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
  box-shadow: var(--glow-subtle);
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.news-card {
  background: var(--surface-gradient);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: var(--transition);
}

.news-card:hover {
  border-color: var(--accent-emerald);
  box-shadow: var(--shadow-card);
}

.news-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.news-category-tag {
  background: rgba(0, 229, 255, 0.1);
  color: var(--accent-cyan);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 229, 255, 0.2);
}

.news-category-tag.audit {
  background: rgba(0, 255, 136, 0.1);
  color: var(--accent-emerald);
  border-color: rgba(0, 255, 136, 0.2);
}

.news-date {
  color: var(--text-muted);
}

.news-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 12px;
  line-height: 1.4;
}

.news-summary {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 16px;
}

.news-full-body {
  display: none;
  padding-top: 18px;
  margin-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.75;
}

.news-full-body.expanded {
  display: block;
}

.news-full-body h4 {
  font-size: 1.1rem;
  color: var(--text-highlight);
  margin: 16px 0 8px 0;
}

.news-full-body ul {
  padding-left: 20px;
  margin-bottom: 14px;
}

.news-full-body li {
  margin-bottom: 6px;
}

.news-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
}

.btn-toggle-news {
  background: transparent;
  border: 1px solid var(--border-cyan);
  color: var(--accent-cyan);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-toggle-news:hover {
  background: rgba(0, 229, 255, 0.12);
  color: #ffffff;
}

/* Pagination */
.pagination-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 45px;
}

.page-btn {
  min-width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  background: rgba(16, 24, 32, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.page-btn:hover:not(:disabled) {
  border-color: var(--accent-emerald);
  color: var(--text-highlight);
}

.page-btn.active {
  background: rgba(0, 255, 136, 0.15);
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
  box-shadow: var(--glow-subtle);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Documentation & Help Hub */
.doc-search-box {
  max-width: 650px;
  margin: 0 auto 40px auto;
  position: relative;
}

.doc-search-input {
  width: 100%;
  padding: 16px 20px 16px 50px;
  background: rgba(16, 24, 32, 0.85);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-md);
  font-size: 1rem;
  color: var(--text-highlight);
  outline: none;
  transition: var(--transition);
}

.doc-search-input:focus {
  border-color: var(--accent-emerald);
  box-shadow: 0 0 18px rgba(0, 255, 136, 0.25);
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-cyan);
  pointer-events: none;
}

.client-os-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.os-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(16, 24, 32, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.os-tab-btn:hover {
  border-color: var(--accent-emerald);
  color: var(--text-highlight);
}

.os-tab-btn.active {
  background: rgba(0, 255, 136, 0.12);
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
  box-shadow: var(--glow-subtle);
}

.doc-article-box {
  background: var(--surface-gradient);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-bottom: 30px;
}

.step-list {
  list-style: none;
  counter-reset: step-counter;
  margin: 24px 0;
}

.step-list li {
  counter-increment: step-counter;
  position: relative;
  padding-left: 45px;
  margin-bottom: 22px;
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.step-list li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(0, 255, 136, 0.12);
  border: 1px solid var(--accent-emerald);
  color: var(--accent-emerald);
  font-family: var(--font-mono);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.code-snippet {
  background: #040609;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 16px 0;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--accent-cyan);
  overflow-x: auto;
  position: relative;
}

/* Legal & Policy Pages */
.legal-content-wrap {
  max-width: 900px;
  margin: 0 auto;
  background: var(--surface-gradient);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-card);
}

.legal-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.legal-header h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-highlight);
  margin-bottom: 8px;
}

.legal-header p {
  color: var(--text-muted);
  font-size: 0.88rem;
  font-family: var(--font-mono);
}

.legal-body h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-emerald);
  margin: 32px 0 12px 0;
}

.legal-body p {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.legal-body ul {
  padding-left: 24px;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.legal-body li {
  margin-bottom: 8px;
  line-height: 1.7;
}

/* Footer Architecture */
.site-footer {
  margin-top: auto;
  background: #040608;
  border-top: 1px solid rgba(0, 255, 136, 0.12);
  padding: 70px 0 35px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 16px 0 20px 0;
  max-width: 360px;
}

.footer-security-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sec-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(0, 255, 136, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--accent-emerald);
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

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

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

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-emerald);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.84rem;
  color: var(--text-muted);
}

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

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

/* Terminal & Transit Elements (for go.html & 404.html) */
.transit-container {
  max-width: 600px;
  margin: 100px auto;
  padding: 40px 30px;
  background: var(--surface-gradient);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), var(--glow-cyan);
  text-align: center;
}

.terminal-window {
  background: #030507;
  border: 1px solid rgba(0, 255, 136, 0.2);
  border-radius: var(--radius-md);
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: left;
  margin: 24px 0;
  color: var(--text-secondary);
}

.terminal-title-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.term-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.term-dot.red { background: #ff5f56; }
.term-dot.yellow { background: #ffbd2e; }
.term-dot.green { background: #27c93f; }

/* Pulse Keyframe */
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 460px;
    margin: 0 auto;
  }
  .dash-metrics-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .nodes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    background: rgba(6, 9, 12, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 30px;
    gap: 20px;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-150%);
    transition: transform 0.35s ease;
  }
  .nav-menu.open {
    transform: translateY(0);
  }
  .mobile-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.3rem;
  }
  .section-title {
    font-size: 1.85rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .dash-metrics-bar {
    grid-template-columns: 1fr;
  }
  .comparison-table-wrap {
    overflow-x: auto;
  }
  .legal-content-wrap {
    padding: 24px;
  }
}