/* ==========================================================================
   八戒机场 (Bajie Cloud) - Celestial-Armada Deep-Space Sci-Fi Design System
   Palette: Interstellar River Obsidian (#050811), Astral Stream Cyan (#00f2fe),
            Marshal Dark-Iron Gold (#d97706 / #f59e0b), Crisp Starlight White
   ========================================================================== */

:root {
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Daytime Mode (Celestial Silver Starlight Theme) */
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: #ffffff;
  --hud-panel-bg: rgba(255, 255, 255, 0.75);
  --border-color: rgba(203, 213, 225, 0.8);
  --border-highlight: rgba(0, 168, 204, 0.5);
  --border-gold: rgba(217, 119, 6, 0.4);

  --text-primary: #050811;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --cyan-stream: #0284c7;
  --cyan-glow: rgba(2, 132, 199, 0.15);
  --cyan-bright: #00b4d8;
  --gold-iron: #d97706;
  --gold-iron-hover: #b45309;
  --gold-glow: rgba(217, 119, 6, 0.2);

  --accent-gradient: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  --accent-gold-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --badge-bg: rgba(2, 132, 199, 0.08);
  --badge-text: #0284c7;
  --badge-border: rgba(2, 132, 199, 0.25);

  --glass-bg: rgba(248, 250, 252, 0.85);
  --glass-border: rgba(203, 213, 225, 0.6);

  --shadow-sm: 0 2px 4px rgba(5, 8, 17, 0.04);
  --shadow-md: 0 4px 14px rgba(5, 8, 17, 0.06);
  --shadow-lg: 0 12px 28px -4px rgba(5, 8, 17, 0.08);
  --shadow-hud: 0 8px 32px rgba(2, 132, 199, 0.12);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  /* Night Mode (Interstellar River Obsidian Deep-Space Theme) */
  --bg-primary: #050811;
  --bg-secondary: #090e1a;
  --bg-tertiary: #0f172a;
  --bg-card: rgba(9, 14, 26, 0.82);
  --bg-card-hover: rgba(15, 23, 42, 0.92);
  --hud-panel-bg: rgba(5, 8, 17, 0.82);
  --border-color: rgba(56, 189, 248, 0.18);
  --border-highlight: rgba(0, 242, 254, 0.55);
  --border-gold: rgba(245, 158, 11, 0.55);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #050811;

  --cyan-stream: #00f2fe;
  --cyan-glow: rgba(0, 242, 254, 0.25);
  --cyan-bright: #38bdf8;
  --gold-iron: #f59e0b;
  --gold-iron-hover: #fbbf24;
  --gold-glow: rgba(245, 158, 11, 0.35);

  --accent-gradient: linear-gradient(135deg, #00f2fe 0%, #0284c7 100%);
  --accent-gold-gradient: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
  --badge-bg: rgba(0, 242, 254, 0.12);
  --badge-text: #38bdf8;
  --badge-border: rgba(0, 242, 254, 0.3);

  --glass-bg: rgba(5, 8, 17, 0.85);
  --glass-border: rgba(56, 189, 248, 0.2);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.85);
  --shadow-hud: 0 0 30px rgba(0, 242, 254, 0.2), inset 0 0 20px rgba(0, 242, 254, 0.05);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--bg-primary);
  transition: background-color 0.35s ease, color 0.35s ease;
  position: relative;
}

/* Subtle Sci-Fi Grid Overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image: 
    linear-gradient(to right, rgba(0, 242, 254, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 242, 254, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

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

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

/* Header & Telemetry Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background-color: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-logo-img {
  height: 38px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
  transition: var(--transition);
}

[data-theme="dark"] .brand-logo-img {
  filter: drop-shadow(0 0 1px rgba(255, 255, 255, 0.6)) drop-shadow(0 0 12px rgba(0, 242, 254, 0.25)) brightness(1.15);
}

.brand-badge {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--badge-border);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 4px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link:hover {
  color: var(--cyan-stream);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width 0.25s ease;
  box-shadow: 0 0 8px var(--cyan-stream);
}

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

.nav-link.intel-highlight {
  color: var(--gold-iron);
  font-weight: 600;
}

.nav-link.intel-highlight::before {
  content: '✦';
  font-size: 0.75rem;
  color: var(--gold-iron);
  animation: pulse-beacon 2s infinite;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Refined Sci-Fi Theme Switcher */
.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  outline: none;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.theme-toggle-btn:hover {
  border-color: var(--border-highlight);
  color: var(--cyan-stream);
  box-shadow: 0 0 16px var(--cyan-glow);
  transform: translateY(-1px);
}

.theme-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.icon-sun {
  display: none;
}
.icon-moon {
  display: block;
}

[data-theme="dark"] .icon-sun {
  display: block;
}
[data-theme="dark"] .icon-moon {
  display: none;
}

/* Sci-Fi Tactical CTA Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.94rem;
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #050811 !important;
  font-weight: 800;
  box-shadow: 0 4px 18px var(--cyan-glow);
  border: 1px solid var(--cyan-bright);
}

[data-theme="light"] .btn-primary {
  color: #ffffff !important;
}

.btn-primary:hover {
  box-shadow: 0 6px 26px var(--cyan-glow), 0 0 14px var(--cyan-stream);
  transform: translateY(-2px);
}

.btn-gold {
  background: var(--accent-gold-gradient);
  color: #050811 !important;
  border: 1px solid #fde047;
  box-shadow: 0 4px 18px var(--gold-glow);
}

.btn-gold:hover {
  box-shadow: 0 6px 24px var(--gold-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--hud-panel-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-highlight);
  color: var(--cyan-stream);
  box-shadow: 0 0 16px var(--cyan-glow);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 14px 34px;
  font-size: 1.05rem;
  border-radius: var(--radius-sm);
}

/* Hero Section with Interactive 3D Celestial River Stream Canvas */
.hero {
  position: relative;
  padding: 90px 0 70px;
  overflow: hidden;
  background: radial-gradient(circle at 50% 30%, rgba(0, 242, 254, 0.08) 0%, transparent 65%);
}

#celestialCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: auto;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 980px;
  margin: 0 auto;
  pointer-events: none; /* Let canvas capture vector movement except interactive buttons */
}

.hero-content a,
.hero-content button,
.telemetry-hud-card {
  pointer-events: auto;
}

.hero-beacon-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  background: var(--hud-panel-bg);
  border: 1px solid var(--border-highlight);
  color: var(--cyan-stream);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
}

.beacon-pulse {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan-stream);
  box-shadow: 0 0 10px var(--cyan-stream), 0 0 20px var(--cyan-stream);
  animation: pulse-beacon 1.8s infinite ease-in-out;
}

@keyframes pulse-beacon {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  margin-bottom: 22px;
}

.title-brand-highlight {
  background: linear-gradient(135deg, #00f2fe 0%, #38bdf8 50%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  text-shadow: 0 0 30px rgba(0, 242, 254, 0.25);
}

.hero-intro {
  font-size: 1.22rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 780px;
  margin: 0 auto 36px;
  font-weight: 400;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

/* Smoked-Glass Telemetry HUD Widget */
.telemetry-hud-card {
  max-width: 820px;
  margin: 0 auto;
  background: var(--hud-panel-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-hud);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
  overflow: hidden;
  text-align: left;
}

.telemetry-hud-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--cyan-stream) 50%, transparent 100%);
  animation: hud-scan 3s infinite linear;
}

@keyframes hud-scan {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.hud-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hud-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.hud-label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
}

.hud-value {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cyan-stream);
}

.hud-value.gold {
  color: var(--gold-iron);
}

/* Section Common Structure */
.section {
  padding: 90px 0;
  position: relative;
  z-index: 2;
}

.section-alt {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan-stream);
  background: var(--badge-bg);
  padding: 4px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--badge-border);
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Core Advantages (3 Tactical Cards) */
.core-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.tactical-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 38px 30px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  backdrop-filter: blur(14px);
  overflow: hidden;
}

/* Sci-Fi Corner Brackets */
.tactical-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 20px;
  border-top: 2px solid var(--cyan-stream);
  border-right: 2px solid var(--cyan-stream);
  opacity: 0.4;
  transition: var(--transition);
}

.tactical-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-hud);
  background: var(--bg-card-hover);
}

.tactical-card:hover::after {
  opacity: 1;
  width: 28px;
  height: 28px;
}

.tactical-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--cyan-stream);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: var(--transition);
}

.tactical-card:hover .tactical-icon-box {
  background: var(--accent-gradient);
  color: #050811;
  border-color: var(--cyan-stream);
  box-shadow: 0 0 20px var(--cyan-glow);
}

.tactical-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.tactical-desc {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 22px;
}

.tactical-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.spec-chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* Ecosystem Unlock Section (Streaming & AI Hub) */
.unlock-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.hud-unlock-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 38px 32px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(16px);
  transition: var(--transition);
  position: relative;
}

.hud-unlock-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hud);
}

.unlock-head-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.unlock-badge-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  flex-shrink: 0;
}

.icon-stream-badge {
  background: linear-gradient(135deg, #0284c7 0%, #00f2fe 100%);
  box-shadow: 0 0 16px var(--cyan-glow);
}

.icon-ai-badge {
  background: linear-gradient(135deg, #d97706 0%, #fbbf24 100%);
  box-shadow: 0 0 16px var(--gold-glow);
}

.unlock-card-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
}

.unlock-card-subtitle {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.unlock-text {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
}

.logo-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.matrix-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 6px;
  text-align: center;
  transition: var(--transition);
}

.matrix-item:hover {
  border-color: var(--border-highlight);
  background: var(--bg-tertiary);
  transform: translateY(-2px);
}

.matrix-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 6px;
}

.matrix-status {
  font-size: 0.7rem;
  color: #10b981;
  font-family: var(--font-mono);
}

.telemetry-channel-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--text-secondary);
}

/* Pricing Section - Referencing Real-World High-Quality Market Prices */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.fleet-price-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  backdrop-filter: blur(16px);
}

.fleet-price-card:hover {
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-hud);
  transform: translateY(-6px);
}

.fleet-price-card.featured {
  border: 2px solid var(--gold-iron);
  background: var(--bg-card-hover);
  box-shadow: 0 0 35px var(--gold-glow);
  transform: scale(1.02);
}

.fleet-price-card.featured:hover {
  transform: scale(1.04) translateY(-4px);
}

.fleet-flagship-tag,
.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gold-gradient);
  color: #050811;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 5px 18px;
  border-radius: var(--radius-full);
  box-shadow: 0 0 16px var(--gold-glow);
  letter-spacing: 0.02em;
  white-space: nowrap !important;
  word-break: keep-all !important;
  width: max-content;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  z-index: 10;
}

.plan-header {
  text-align: center;
  margin-bottom: 24px;
}

.fleet-plan-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.fleet-plan-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.plan-price-block {
  text-align: center;
  padding: 16px 0 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.price-currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  vertical-align: super;
}

.price-amt {
  font-family: var(--font-mono);
  font-size: 3.4rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-primary);
}

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

.plan-spec-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 34px;
  flex-grow: 1;
}

.plan-spec-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.94rem;
  color: var(--text-secondary);
}

.plan-spec-item svg {
  color: #10b981;
  flex-shrink: 0;
}

.plan-spec-item strong {
  color: var(--text-primary);
}

.plan-btn-wrap {
  width: 100%;
}

.plan-btn-wrap .btn {
  width: 100%;
}

/* User Reviews (舰员与信赖客户评价) */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.telemetry-review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}

.telemetry-review-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hud);
}

.review-stars {
  color: #f59e0b;
  font-size: 1.05rem;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.review-body {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 22px;
}

.review-pilot {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.pilot-avatar-hud {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--badge-bg);
  border: 1px solid var(--border-highlight);
  color: var(--cyan-stream);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: var(--font-mono);
}

.pilot-meta h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.pilot-meta p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* FAQ Accordion */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-hud-panel {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  overflow: hidden;
  backdrop-filter: blur(14px);
  transition: var(--transition);
}

.faq-hud-panel:hover {
  border-color: var(--border-highlight);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px;
  background: none;
  border: none;
  outline: none;
  text-align: left;
  cursor: pointer;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: inherit;
  transition: var(--transition);
}

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

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  background: var(--bg-secondary);
}

.faq-content-inner {
  padding: 0 26px 24px;
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.75;
}

.faq-hud-panel.active .faq-arrow-icon {
  transform: rotate(180deg);
  color: var(--cyan-stream);
}

.faq-hud-panel.active .faq-content {
  max-height: 350px;
}

/* CTA Galactic Banner */
.galactic-cta-banner {
  background: linear-gradient(135deg, rgba(9, 14, 26, 0.95) 0%, rgba(5, 8, 17, 0.98) 100%);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 40px var(--cyan-glow);
  margin-top: 50px;
}

.galactic-cta-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(0, 242, 254, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-headline {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 16px;
}

.cta-subtext {
  font-size: 1.12rem;
  color: #94a3b8;
  max-width: 640px;
  margin: 0 auto 34px;
}

/* Footer Section - STRICT REQUIREMENT: Only the 4 requested titles */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 50px 0 38px;
  margin-top: auto;
  position: relative;
  z-index: 2;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--cyan-stream);
  background: var(--bg-tertiary);
}

.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Intel Article / Editorial Styles */
.intel-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.intel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  backdrop-filter: blur(14px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.intel-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hud);
}

.intel-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--gold-iron);
  background: var(--badge-bg);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-gold);
  display: inline-block;
  margin-bottom: 12px;
}

.intel-card-title {
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.intel-card-excerpt {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.intel-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

/* Responsive Rules */
@media (max-width: 1024px) {
  .core-features-grid,
  .pricing-grid,
  .reviews-grid,
  .intel-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .telemetry-hud-card {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .hero-title {
    font-size: 2.85rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .hero {
    padding: 60px 0 45px;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-intro {
    font-size: 1.02rem;
  }
  
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-cta-group .btn {
    width: 100%;
  }
  
  .telemetry-hud-card {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .core-features-grid,
  .unlock-grid,
  .pricing-grid,
  .reviews-grid,
  .intel-card-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .logo-matrix {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-nav {
    flex-direction: column;
    gap: 18px;
  }
  
  .fleet-price-card {
    padding: 30px 22px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .hero-title {
    font-size: 1.85rem;
  }
  
  .brand-logo-img {
    height: 30px;
  }
  
  .brand-badge {
    display: none;
  }

  .fleet-flagship-tag,
  .popular-badge {
    font-size: 0.74rem;
    padding: 4px 12px;
    white-space: nowrap !important;
  }
}

/* ==========================================================================
   Long-form SEO Article Specific Styles (TOC, Breadcrumb, FAQs, Related Posts)
   ========================================================================== */

.article-hero {
  padding: 60px 0 35px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--text-secondary);
}

.breadcrumbs a:hover {
  color: var(--cyan-stream);
}

.article-header-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.article-title-main {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.article-summary-lead {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 860px;
}

.article-body-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 45px 0 80px;
}

/* Table of Contents Box */
.article-toc {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--cyan-stream);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
}

.toc-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-item a {
  font-size: 0.95rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.toc-item a:hover {
  color: var(--cyan-stream);
  transform: translateX(4px);
}

/* Article Internal Content Styles */
.article-prose {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.85;
}

.article-prose h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 46px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
  scroll-margin-top: 90px;
}

.article-prose h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 28px 0 12px;
  scroll-margin-top: 90px;
}

.article-prose p {
  margin-bottom: 20px;
}

.article-prose strong {
  color: var(--text-primary);
}

.article-prose a {
  color: var(--cyan-stream);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-prose a:hover {
  color: var(--gold-iron);
}

.article-prose ul, .article-prose ol {
  margin: 0 0 24px 24px;
}

.article-prose li {
  margin-bottom: 10px;
}

.article-callout {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--gold-iron);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 28px 0;
}

.article-callout strong {
  color: var(--text-primary);
}

/* Table in Articles */
.article-table-wrap {
  overflow-x: auto;
  margin: 28px 0;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.94rem;
}

.article-table th {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 12px 16px;
  font-weight: 700;
  border: 1px solid var(--border-color);
}

.article-table td {
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

/* Article FAQ Cards */
.article-faq-section {
  margin-top: 50px;
  padding-top: 40px;
  border-top: 2px dashed var(--border-color);
}

.article-faq-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.article-faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.article-faq-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.article-faq-q {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-faq-q::before {
  content: 'Q:';
  color: var(--cyan-stream);
  font-weight: 800;
  font-family: var(--font-mono);
}

.article-faq-a {
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.7;
}

/* Related Reading Section */
.related-reading-section {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
}

.related-section-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.related-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.related-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.related-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.related-card span {
  font-size: 0.8rem;
  color: var(--cyan-stream);
  font-weight: 600;
}

@media (max-width: 768px) {
  .article-title-main {
    font-size: 1.85rem;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .article-body-container {
    padding: 30px 0 60px;
  }
}