/* SSRDOG Airport Official Landing Page - Dark Tech Theme */
:root {
  --bg-primary: #090e1a;
  --bg-secondary: #0d1424;
  --bg-card: #131c2e;
  --bg-card-hover: #182338;
  --bg-glass: rgba(13, 20, 36, 0.82);
  --border-subtle: rgba(148, 163, 184, 0.14);
  --border-accent: rgba(37, 99, 235, 0.55);
  --blue-primary: #1d63ff;
  --blue-bright: #3b82f6;
  --blue-soft: rgba(29, 99, 255, 0.14);
  --cyan-accent: #38bdf8;
  --emerald: #10b981;
  --emerald-soft: rgba(16, 185, 129, 0.14);
  --amber: #f59e0b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.55);
  --shadow-blue: 0 8px 28px -4px rgba(29, 99, 255, 0.42);
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

ul, ol {
  list-style: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Ambient Background Glow */
.bg-glow-wrap {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.24;
  animation: orbFloat 18s ease-in-out infinite alternate;
}

.bg-orb-1 {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, #1d63ff, transparent 70%);
  top: -160px;
  left: -120px;
}

.bg-orb-2 {
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, #0ea5e9, transparent 70%);
  bottom: 10%;
  right: -140px;
  animation-delay: -6s;
}

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.08); }
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 16px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  flex-shrink: 0;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--blue-soft);
  border: 1px solid rgba(59, 130, 246, 0.35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 18px rgba(29, 99, 255, 0.28);
}

.brand-icon-dot {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  background: linear-gradient(135deg, #3b82f6, #1d63ff);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.7);
}

.brand-sub {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--cyan-accent);
  background: rgba(56, 189, 248, 0.12);
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid rgba(56, 189, 248, 0.22);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  padding: 8px 13px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 0.93rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.22s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue-primary);
  color: #ffffff;
  box-shadow: var(--shadow-blue);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.22), transparent);
  transition: left 0.55s ease;
}

.btn-primary:hover {
  background: var(--blue-bright);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -4px rgba(59, 130, 246, 0.55);
}

.btn-primary:hover::after {
  left: 140%;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.btn-outline:hover {
  background: rgba(37, 99, 235, 0.12);
  border-color: var(--border-accent);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-lg {
  padding: 13px 26px;
  font-size: 1rem;
  border-radius: 12px;
}

.mobile-toggle {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 84px 0 72px;
  overflow: hidden;
  z-index: 1;
}

#networkCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.65;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 44px;
  align-items: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(29, 99, 255, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: #93c5fd;
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: clamp(2rem, 3.8vw, 3.05rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.text-gradient {
  background: linear-gradient(120deg, #ffffff 10%, #60a5fa 60%, #38bdf8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  font-size: 1.06rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 600px;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}

.hero-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.hero-trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-trust-item svg {
  color: var(--emerald);
  flex-shrink: 0;
}

/* Right Hero Panel (Inspired by Image 1 Dark Card UI) */
.hero-panel {
  background: rgba(19, 28, 46, 0.88);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 26px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
}

.hero-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-panel-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-square {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--blue-soft);
  border: 1px solid rgba(59, 130, 246, 0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-bright);
  flex-shrink: 0;
}

.icon-square-solid {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  background: var(--blue-primary);
}

.panel-badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--emerald);
  background: var(--emerald-soft);
  padding: 4px 10px;
  border-radius: 999px;
}

.stat-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.stat-mini-card {
  background: rgba(9, 14, 26, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.stat-mini-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.stat-mini-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-mini-val {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-mini-sub {
  font-size: 0.76rem;
  color: var(--cyan-accent);
  margin-top: 2px;
}

.panel-route-preview {
  background: rgba(9, 14, 26, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 18px;
}

.route-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.86rem;
  padding: 6px 0;
}

.route-row + .route-row {
  border-top: 1px dashed rgba(148, 163, 184, 0.14);
}

.route-latency {
  color: var(--emerald);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* Section Commons */
.section {
  position: relative;
  z-index: 1;
  padding: 74px 0;
}

.section-alt {
  background: rgba(13, 20, 36, 0.55);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 46px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-bright);
  background: var(--blue-soft);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 2.8vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.28;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Node Status Section */
.node-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 24px;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-tab {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-tab:hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
}

.filter-tab.active {
  background: var(--blue-primary);
  color: #ffffff;
  border-color: var(--blue-primary);
  box-shadow: 0 4px 16px rgba(29, 99, 255, 0.35);
}

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

.node-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px;
  transition: transform 0.22s ease, border-color 0.22s ease, background-color 0.22s ease;
}

.node-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

.node-card.hidden {
  display: none;
}

.node-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.node-name {
  font-weight: 700;
  font-size: 0.98rem;
}

.node-type {
  font-size: 0.74rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--blue-soft);
  color: #93c5fd;
}

.node-metrics {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.node-ping {
  color: var(--emerald);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.load-bar {
  height: 6px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.14);
  overflow: hidden;
  margin-bottom: 10px;
}

.load-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #10b981, #38bdf8);
  transition: width 0.6s ease;
}

.node-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.node-tag {
  font-size: 0.72rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 2px 7px;
  border-radius: 5px;
}

/* Features Grid (Image 1 Style Cards) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: 0 14px 32px -12px rgba(29, 99, 255, 0.28);
}

.feature-card-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 1.12rem;
  font-weight: 700;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.93rem;
}

/* Platform Bar */
.platform-strip {
  margin-top: 34px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.platform-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.platform-chip {
  background: rgba(9, 14, 26, 0.7);
  border: 1px solid var(--border-subtle);
  padding: 7px 14px;
  border-radius: 10px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Pricing Grid (Exact Match to Image 2) */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: rgba(148, 163, 184, 0.35);
}

.pricing-card.featured {
  border: 1.5px solid var(--blue-primary);
  box-shadow: 0 0 0 1px rgba(29, 99, 255, 0.22), 0 18px 42px -14px rgba(29, 99, 255, 0.36);
  background: linear-gradient(180deg, #152038 0%, #121b2e 100%);
}

.pricing-popular-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue-primary);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(29, 99, 255, 0.45);
}

.tier-pill {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-secondary);
  background: rgba(148, 163, 184, 0.14);
  padding: 3px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
}

.pricing-name {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 22px;
}

.price-currency {
  font-size: 1.5rem;
  font-weight: 800;
}

.price-amount {
  font-size: 2.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

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

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--text-secondary);
}

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

.pricing-btn {
  width: 100%;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 700;
  text-align: center;
}

/* FAQ Section (50 Questions) */
.faq-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.faq-search-box {
  position: relative;
  max-width: 560px;
  margin: 0 auto;
  width: 100%;
}

.faq-search-input {
  width: 100%;
  padding: 13px 18px 13px 44px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-search-input:focus {
  border-color: var(--blue-bright);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.faq-search-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.faq-categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.faq-count-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item[open] {
  border-color: var(--border-accent);
}

.faq-item.hidden {
  display: none;
}

.faq-question {
  list-style: none;
  padding: 16px 18px;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-num {
  color: var(--blue-bright);
  font-weight: 700;
  margin-right: 6px;
  font-variant-numeric: tabular-nums;
}

.faq-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.2s ease;
  margin-top: 2px;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: var(--blue-bright);
}

.faq-answer {
  padding: 0 18px 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-top: 1px solid rgba(148, 163, 184, 0.08);
  padding-top: 12px;
}

/* Knowledge Base Preview & Article Cards */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.22s ease, border-color 0.22s ease;
}

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

.article-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 0.78rem;
}

.article-cat {
  color: var(--cyan-accent);
  background: rgba(56, 189, 248, 0.12);
  padding: 3px 9px;
  border-radius: 6px;
  font-weight: 600;
}

.article-readtime {
  color: var(--text-muted);
}

.article-card h3 {
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.42;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.article-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  flex: 1;
}

.article-link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--blue-bright);
}

.article-card:hover .article-link-more {
  color: #93c5fd;
}

/* Article Detail Page Styles */
.article-page-wrap {
  position: relative;
  z-index: 1;
  padding: 38px 0 76px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.breadcrumbs a:hover {
  color: var(--blue-bright);
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 310px;
  gap: 32px;
  align-items: start;
}

.article-main {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 38px 36px;
}

.article-header {
  padding-bottom: 24px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--border-subtle);
}

.article-header h1 {
  font-size: clamp(1.55rem, 2.6vw, 2.1rem);
  font-weight: 800;
  line-height: 1.32;
  margin: 12px 0 14px;
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.geo-tldr {
  background: rgba(29, 99, 255, 0.09);
  border-left: 3px solid var(--blue-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 16px 20px;
  margin-bottom: 26px;
}

.geo-tldr strong {
  display: block;
  color: #93c5fd;
  margin-bottom: 6px;
  font-size: 0.92rem;
}

.geo-tldr p {
  font-size: 0.93rem;
  color: var(--text-secondary);
}

.article-body h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 30px 0 14px;
  color: var(--text-primary);
}

.article-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 22px 0 10px;
  color: #e2e8f0;
}

.article-body p {
  margin-bottom: 15px;
  color: #cbd5e1;
  font-size: 0.98rem;
  line-height: 1.82;
}

.article-body ul,
.article-body ol {
  margin: 12px 0 18px 20px;
  color: #cbd5e1;
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.article-body li {
  margin-bottom: 8px;
  line-height: 1.72;
}

.article-body a {
  color: var(--blue-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body a:hover {
  color: var(--cyan-accent);
}

.article-table-wrap {
  overflow-x: auto;
  margin: 20px 0;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: rgba(9, 14, 26, 0.55);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.article-table th,
.article-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.article-table th {
  background: rgba(29, 99, 255, 0.14);
  color: var(--text-primary);
  font-weight: 700;
}

.article-table td {
  color: var(--text-secondary);
}

.article-faq-section {
  margin-top: 38px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

.article-faq-section h2 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.article-faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-related {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

.article-related h2 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.related-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.related-mini-card {
  background: rgba(9, 14, 26, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.related-mini-card:hover {
  border-color: var(--blue-bright);
  color: #93c5fd;
}

/* Sidebar */
.article-sidebar {
  position: sticky;
  top: 90px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.sidebar-card h3 {
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-links a {
  font-size: 0.87rem;
  color: var(--text-secondary);
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(148, 163, 184, 0.14);
}

.sidebar-links a:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar-links a:hover {
  color: var(--blue-bright);
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, rgba(29, 99, 255, 0.22), rgba(14, 165, 233, 0.14));
  border: 1px solid rgba(59, 130, 246, 0.35);
  border-radius: var(--radius-xl);
  padding: 42px 32px;
  text-align: center;
}

.cta-banner h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-banner p {
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 24px;
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 1;
  background: #060a14;
  border-top: 1px solid var(--border-subtle);
  padding: 54px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-top: 14px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-col a {
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.footer-col a:hover {
  color: var(--blue-bright);
}

.footer-bottom {
  padding-top: 22px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid,
  .article-layout {
    grid-template-columns: 1fr;
  }
  .nodes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid,
  .pricing-grid,
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: #0d1424;
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 16px 20px;
    gap: 8px;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    width: 100%;
  }
  .mobile-toggle {
    display: inline-flex;
  }
  .nodes-grid,
  .features-grid,
  .pricing-grid,
  .faq-grid,
  .articles-grid,
  .related-mini-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .article-main {
    padding: 24px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bg-orb,
  .live-dot {
    animation: none;
  }
}