/* ==========================================================================
   良心云机场 · 方案 B：星链矩阵 · 未来网络指挥中心
   项目代号：LXY-MATRIX-B01
   ========================================================================== */

:root {
  --bg-base: #080D11;
  --panel-base: #111B20;
  --panel-sub: #17252A;
  --text-primary: #F2F8F7;
  --text-muted: #9DB4B2;
  --accent-brand: #50E3C2;
  --accent-highlight: #8FFFE0;
  --border-glow: rgba(143, 255, 224, 0.14);
  --border-glow-hover: rgba(143, 255, 224, 0.35);
  --glow-shadow: 0 0 24px rgba(80, 227, 194, 0.15);
  --glow-shadow-lg: 0 0 40px rgba(80, 227, 194, 0.22);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --header-height: 76px;
  --container-max: 1240px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Background Cyber Matrix Grid */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(to right, rgba(143, 255, 224, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(143, 255, 224, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -60px;
  left: 20px;
  background: var(--accent-brand);
  color: #080D11;
  padding: 10px 18px;
  font-weight: 700;
  border-radius: 4px;
  z-index: 9999;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 15px;
}

:focus-visible {
  outline: 2px solid var(--accent-highlight);
  outline-offset: 3px;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

/* Section Header Component */
.section-head {
  margin-bottom: 48px;
  text-align: left;
}
.hud-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--accent-brand);
  background: rgba(80, 227, 194, 0.08);
  border: 1px solid var(--border-glow);
  padding: 5px 12px;
  border-radius: 4px;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.hud-tag::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-brand);
  box-shadow: 0 0 8px var(--accent-brand);
}
.section-title {
  font-size: 2.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.section-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 680px;
}

/* ==========================================================================
   Module 01: Command Center Header
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(17, 27, 32, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-glow);
  z-index: 1000;
  display: flex;
  align-items: center;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-brand {
  display: flex;
  align-items: center;
  min-height: 44px;
}
.site-brand img, .site-brand svg {
  height: 40px;
  width: auto;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 10px 4px;
  position: relative;
  transition: color 0.2s ease;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.nav-link:hover, .nav-link.active {
  color: var(--accent-highlight);
}
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-brand);
  box-shadow: 0 0 8px var(--accent-brand);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  min-height: 44px;
  min-width: 44px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 1px solid transparent;
  text-decoration: none;
}
.btn-cta-primary {
  background: var(--accent-brand);
  color: #080D11;
  box-shadow: 0 0 16px rgba(80, 227, 194, 0.3);
}
.btn-cta-primary:hover {
  background: var(--accent-highlight);
  box-shadow: 0 0 24px rgba(143, 255, 224, 0.5);
  transform: translateY(-1px);
}
.btn-cta-secondary {
  background: var(--panel-sub);
  color: var(--text-primary);
  border-color: var(--border-glow);
}
.btn-cta-secondary:hover {
  border-color: var(--accent-brand);
  color: var(--accent-highlight);
  background: rgba(80, 227, 194, 0.08);
  transform: translateY(-1px);
}
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-glow);
  color: var(--text-primary);
  min-width: 44px;
  min-height: 44px;
  border-radius: 6px;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* ==========================================================================
   Module 02: Asymmetric Console Hero (58% / 42%)
   ========================================================================== */
.hero-section {
  padding-top: calc(var(--header-height) + 56px);
  padding-bottom: 72px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 58fr 42fr;
  gap: 32px;
  align-items: center;
}
.hero-console {
  background: var(--panel-base);
  border: 1px solid var(--border-glow);
  border-radius: 14px;
  padding: 44px 40px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--glow-shadow);
}
.hero-console::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-brand), transparent);
}
.hero-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(143, 255, 224, 0.08);
}
.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-brand);
}
.status-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-brand);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-brand);
  animation: pulse 2.4s infinite ease-in-out;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}
.status-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.hero-title {
  font-size: 2.75rem;
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.hero-title .brand-span {
  color: var(--accent-brand);
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  font-family: var(--font-mono);
}
.hero-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 540px;
}
.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero Right 3 Panels (A, B, C) */
.hero-bento-right {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.panel-bento {
  background: var(--panel-base);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 20px 24px;
  position: relative;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.panel-bento:hover {
  border-color: var(--border-glow-hover);
  transform: translateY(-2px);
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.panel-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-highlight);
  background: rgba(143, 255, 224, 0.08);
  padding: 3px 8px;
  border-radius: 3px;
  border: 1px solid rgba(143, 255, 224, 0.2);
}
.panel-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Panel A: Abstract Topology SVG */
.topology-svg-container {
  width: 100%;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.topology-svg {
  width: 100%;
  height: 100%;
}

/* Panel B: Network Connection Scenario */
.scenario-metrics-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 8px;
}
.metric-box {
  background: var(--panel-sub);
  border: 1px solid rgba(143, 255, 224, 0.08);
  border-radius: 6px;
  padding: 10px;
  text-align: center;
}
.metric-name {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
}
.metric-val {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-brand);
}

/* Panel C: Multi-Device Matrix */
.devices-hud-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel-sub);
  padding: 10px 16px;
  border-radius: 6px;
  border: 1px solid rgba(143, 255, 224, 0.08);
}
.dev-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-primary);
}
.dev-item svg {
  width: 18px;
  height: 18px;
}

/* Hero Bottom Capabilities Bar */
.hero-nav-band {
  margin-top: 36px;
  background: var(--panel-base);
  border: 1px solid var(--border-glow);
  border-radius: 10px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.band-title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-brand);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.band-tags {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.band-pill {
  font-size: 0.875rem;
  color: var(--text-muted);
  background: var(--panel-sub);
  border: 1px solid rgba(143, 255, 224, 0.1);
  padding: 6px 14px;
  border-radius: 6px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: all 0.2s ease;
}
.band-pill:hover {
  color: var(--accent-highlight);
  border-color: var(--accent-brand);
  background: rgba(80, 227, 194, 0.06);
}

/* ==========================================================================
   Module 03: Platform Compatibility Matrix (Before Advantages)
   ========================================================================== */
.compat-section {
  padding: 64px 0;
}
.compat-matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.compat-card {
  background: var(--panel-base);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 24px 20px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.compat-card:hover {
  border-color: var(--border-glow-hover);
  transform: translateY(-2px);
}
.compat-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.compat-icon-wrap {
  width: 44px;
  height: 44px;
  background: var(--panel-sub);
  border: 1px solid var(--border-glow);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.compat-icon-wrap img, .compat-icon-wrap svg {
  width: 26px;
  height: 26px;
}
.compat-name {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
}
.compat-sub {
  font-size: 0.8125rem;
  color: var(--accent-brand);
  font-family: var(--font-mono);
}
.compat-logos-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
  padding: 12px;
  background: var(--panel-sub);
  border-radius: 8px;
  border: 1px solid rgba(143, 255, 224, 0.06);
}
.compat-logos-row img, .compat-logos-row svg {
  width: 32px;
  height: 32px;
}
.compat-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Module 04: Core Capability Bento Grid (Irregular 6-Grid)
   ========================================================================== */
.bento-section {
  padding: 64px 0;
}
.bento-irregular-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}
.bento-item {
  background: var(--panel-base);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.bento-item:hover {
  border-color: var(--border-glow-hover);
  transform: translateY(-2px);
}
.bento-col-7 { grid-column: span 7; }
.bento-col-5 { grid-column: span 5; }
.bento-col-4 { grid-column: span 4; }
.bento-col-8 { grid-column: span 8; }
.bento-hud-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-brand);
  margin-bottom: 12px;
  display: block;
}
.bento-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.bento-text {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 18px;
}
.bento-visual-block {
  background: var(--panel-sub);
  border: 1px solid rgba(143, 255, 224, 0.08);
  border-radius: 8px;
  padding: 14px 16px;
  margin-top: auto;
}
.bento-spec-list {
  list-style: none;
  font-size: 0.8125rem;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.bento-spec-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.bento-spec-list li::before {
  content: "■";
  font-size: 0.625rem;
  color: var(--accent-brand);
}

/* ==========================================================================
   Module 05: Network Scenario Switcher
   ========================================================================== */
.scenario-section {
  padding: 64px 0;
}
.scenario-container {
  background: var(--panel-base);
  border: 1px solid var(--border-glow);
  border-radius: 14px;
  padding: 36px 32px;
}
.scenario-tabs {
  display: flex;
  gap: 12px;
  border-bottom: 1px solid rgba(143, 255, 224, 0.1);
  padding-bottom: 18px;
  margin-bottom: 28px;
  overflow-x: auto;
}
.scenario-tab-btn {
  background: var(--panel-sub);
  border: 1px solid var(--border-glow);
  color: var(--text-muted);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  min-height: 44px;
  white-space: nowrap;
  transition: all 0.2s ease;
}
.scenario-tab-btn.active, .scenario-tab-btn:hover {
  color: var(--accent-highlight);
  border-color: var(--accent-brand);
  background: rgba(80, 227, 194, 0.1);
}
.scenario-pane {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}
.scenario-pane.active {
  display: grid;
}
.scenario-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.scenario-info p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.scenario-tips-box {
  background: var(--panel-sub);
  border-left: 3px solid var(--accent-brand);
  padding: 14px 18px;
  border-radius: 0 6px 6px 0;
  font-size: 0.875rem;
  color: var(--text-primary);
}
.scenario-diagram {
  background: var(--panel-sub);
  border: 1px solid var(--border-glow);
  border-radius: 10px;
  padding: 24px;
  height: 100%;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ==========================================================================
   Module 06: Package Configuration Comparison System (Semantic Table)
   ========================================================================== */
.pricing-section {
  padding: 64px 0;
}
.pricing-table-wrap {
  background: var(--panel-base);
  border: 1px solid var(--border-glow);
  border-radius: 14px;
  padding: 32px;
  overflow-x: auto;
}
.pricing-notice-box {
  background: rgba(80, 227, 194, 0.06);
  border: 1px solid rgba(80, 227, 194, 0.2);
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 24px;
  font-size: 0.875rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
.pricing-table caption {
  text-align: left;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
  caption-side: top;
}
.pricing-table th, .pricing-table td {
  padding: 18px 20px;
  border-bottom: 1px solid rgba(143, 255, 224, 0.08);
}
.pricing-table th {
  background: var(--panel-sub);
  color: var(--accent-highlight);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.pricing-table td {
  font-size: 0.9375rem;
  color: var(--text-primary);
}
.pricing-table tr:hover td {
  background: rgba(80, 227, 194, 0.03);
}
.table-plan-name {
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--accent-brand);
}
.table-pending-tag {
  display: inline-block;
  background: rgba(143, 255, 224, 0.08);
  border: 1px solid var(--border-glow);
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 3px;
  margin-top: 4px;
}
.price-display-wrap {
  display: flex;
  flex-direction: column;
}
.price-val-row {
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.price-currency {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent-brand);
  font-weight: 700;
}
.price-num {
  font-family: var(--font-mono);
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--accent-highlight);
  letter-spacing: -0.02em;
}
.price-period {
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.price-sub-info {
  font-size: 0.75rem;
  color: var(--accent-brand);
  font-family: var(--font-mono);
  margin-top: 4px;
}

/* ==========================================================================
   Module 07: Quickstart Console (Left Steps / Right Terminal)
   ========================================================================== */
.quickstart-section {
  padding: 64px 0;
}
.quickstart-grid {
  display: grid;
  grid-template-columns: 40fr 60fr;
  gap: 32px;
}
.qs-steps-nav {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.qs-step-card {
  background: var(--panel-base);
  border: 1px solid var(--border-glow);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  gap: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.qs-step-card.active, .qs-step-card:hover {
  border-color: var(--accent-brand);
  background: rgba(80, 227, 194, 0.05);
}
.qs-step-num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-brand);
}
.qs-step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.qs-step-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}
.qs-terminal-box {
  background: #0B1216;
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 24px;
  font-family: var(--font-mono);
  position: relative;
}
.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(143, 255, 224, 0.08);
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.terminal-dots {
  display: flex;
  gap: 6px;
}
.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(143, 255, 224, 0.25);
}
.terminal-body {
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--text-primary);
}
.terminal-body p {
  margin-bottom: 12px;
}
.terminal-highlight {
  color: var(--accent-brand);
}

/* ==========================================================================
   Module 08: Scenario Observation & Verified Feedback Panel
   ========================================================================== */
.observer-section {
  padding: 64px 0;
}
.feedback-matrix-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.feedback-matrix-row {
  background: var(--panel-base);
  border: 1px solid var(--border-glow);
  border-radius: 14px;
  padding: 28px 32px;
  display: grid;
  grid-template-columns: 36fr 64fr;
  gap: 36px;
  align-items: center;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.feedback-matrix-row:hover {
  border-color: var(--border-glow-hover);
  transform: translateY(-2px);
}
.feedback-matrix-row::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent-brand), transparent);
}
.scenario-meta-col {
  border-right: 1px solid rgba(143, 255, 224, 0.1);
  padding-right: 28px;
}
.scenario-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-brand);
  background: rgba(80, 227, 194, 0.08);
  border: 1px solid var(--border-glow);
  padding: 3px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 10px;
}
.scenario-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.scenario-specs {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.feedback-content-col {
  position: relative;
}
.feedback-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-highlight);
  margin-bottom: 10px;
}
.feedback-status-badge::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-brand);
  box-shadow: 0 0 6px var(--accent-brand);
}
.feedback-quote-text {
  font-size: 0.96875rem;
  color: #D6E4E2;
  line-height: 1.75;
  margin-bottom: 12px;
}
.feedback-summary-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.feedback-pill {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-brand);
  background: var(--panel-sub);
  border: 1px solid rgba(143, 255, 224, 0.1);
  padding: 3px 10px;
  border-radius: 4px;
}

/* ==========================================================================
   Module 09: Diagnostic FAQ Hub (2 Columns)
   ========================================================================== */
.faq-section {
  padding: 64px 0;
}
.faq-two-col-grid {
  display: grid;
  grid-template-columns: 35fr 65fr;
  gap: 36px;
}
.faq-category-nav {
  background: var(--panel-base);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 28px 24px;
  height: fit-content;
}
.faq-cat-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.faq-cat-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.faq-cat-item {
  font-size: 0.9375rem;
  color: var(--text-muted);
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--panel-sub);
  border: 1px solid rgba(143, 255, 224, 0.06);
}
.faq-details-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-details {
  background: var(--panel-base);
  border: 1px solid var(--border-glow);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-details[open] {
  border-color: var(--border-glow-hover);
}
.faq-summary {
  padding: 20px 24px;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  min-height: 44px;
}
.faq-summary::-webkit-details-marker {
  display: none;
}
.faq-summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--accent-brand);
  transition: transform 0.2s ease;
}
.faq-details[open] .faq-summary::after {
  content: "−";
}
.faq-content {
  padding: 0 24px 22px 24px;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
  border-top: 1px solid rgba(143, 255, 224, 0.06);
  padding-top: 16px;
}

/* ==========================================================================
   Module 10: Terminal Core CTA (Abstract Matrix Core)
   ========================================================================== */
.terminal-cta-section {
  padding: 80px 0;
  position: relative;
}
.cta-box-core {
  background: radial-gradient(circle at 50% 50%, rgba(80, 227, 194, 0.12) 0%, var(--panel-base) 70%);
  border: 1px solid var(--accent-brand);
  box-shadow: var(--glow-shadow-lg);
  border-radius: 18px;
  padding: 64px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box-core::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(rgba(143, 255, 224, 0.15) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.cta-head-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-highlight);
  background: rgba(143, 255, 224, 0.1);
  padding: 4px 14px;
  border-radius: 4px;
  border: 1px solid rgba(143, 255, 224, 0.3);
  margin-bottom: 20px;
}
.cta-title {
  font-size: 2.375rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 18px;
}
.cta-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 36px auto;
  line-height: 1.7;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Module 11: Minimalist Footer
   ========================================================================== */
.site-footer {
  background: #060A0D;
  border-top: 1px solid var(--border-glow);
  padding: 48px 0 36px 0;
  position: relative;
  z-index: 1;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.footer-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-link {
  font-size: 0.9375rem;
  color: var(--text-muted);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  transition: color 0.2s ease;
}
.footer-link:hover {
  color: var(--accent-highlight);
}
.footer-copy {
  font-size: 0.8125rem;
  color: rgba(157, 180, 178, 0.6);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .compat-matrix-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-col-7, .bento-col-5, .bento-col-4, .bento-col-8 {
    grid-column: span 6;
  }
  .scenario-pane {
    grid-template-columns: 1fr;
  }
  .quickstart-grid {
    grid-template-columns: 1fr;
  }
  .faq-two-col-grid {
    grid-template-columns: 1fr;
  }
  .feedback-matrix-row {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 24px 20px;
  }
  .scenario-meta-col {
    border-right: none;
    border-bottom: 1px solid rgba(143, 255, 224, 0.1);
    padding-right: 0;
    padding-bottom: 16px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 68px;
  }
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #0E161B;
    border-bottom: 1px solid var(--border-glow);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    align-items: flex-start;
  }
  .nav-menu.open {
    display: flex;
  }
  .header-actions .btn-cta-primary {
    padding: 8px 16px;
    font-size: 0.875rem;
  }
  .hero-console {
    padding: 30px 22px;
  }
  .hero-title {
    font-size: 2rem;
  }
  .hero-desc {
    font-size: 1rem;
  }
  .compat-matrix-grid {
    grid-template-columns: 1fr;
  }
  .bento-col-7, .bento-col-5, .bento-col-4, .bento-col-8 {
    grid-column: span 12;
  }
  .bento-irregular-grid {
    grid-template-columns: 1fr;
  }
  .pricing-table-wrap {
    padding: 20px 14px;
  }
  .pricing-table th, .pricing-table td {
    padding: 14px 12px;
    font-size: 0.875rem;
  }
  .cta-box-core {
    padding: 40px 20px;
  }
  .cta-title {
    font-size: 1.75rem;
  }
}

@media (max-width: 390px) {
  .hero-title {
    font-size: 1.75rem;
  }
  .section-title {
    font-size: 1.625rem;
  }
  .btn-cta {
    width: 100%;
  }
  .hero-cta-group, .cta-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-nav-band {
    padding: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}