/* ====================================================================
   NIERYUN 2026 — MODERN ASYMMETRIC TECH ARCHETYPE
   Radical De-duplication: Bento Grid, Telemetry Dashboard, Split Hero
   ==================================================================== */

:root {
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-contrast: #090d16;
  --bg-contrast-card: #131a29;
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  --border-dark: #1e293b;
  --text-main: #090d16;
  --text-muted: #475569;
  --text-sub: #64748b;
  --text-inv: #f8fafc;
  --text-inv-sub: #94a3b8;
  --brand-primary: #4338ca;
  --brand-accent: #6366f1;
  --brand-glow: rgba(99, 102, 241, 0.12);
  --telemetry-green: #059669;
  --telemetry-glow: rgba(16, 185, 129, 0.2);
  --cyan-accent: #0284c7;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-subtle: 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-card: 0 4px 12px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -2px rgba(15, 23, 42, 0.04);
  --shadow-lift: 0 16px 28px -6px rgba(15, 23, 42, 0.1), 0 6px 12px -4px rgba(15, 23, 42, 0.06);
  --font-system: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --max-w: 1240px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-system);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

a {
  color: var(--brand-primary);
  text-decoration: none;
  transition: color 0.15s ease, opacity 0.15s ease;
}

a:hover {
  color: var(--brand-accent);
}

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

/* Reading Progress Bar (Top) */
.reading-progress-track {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 1000;
}

.reading-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #4338ca, #6366f1, #10b981);
  transition: width 0.1s linear;
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -120px;
  left: 20px;
  background: var(--brand-primary);
  color: #ffffff;
  padding: 12px 20px;
  z-index: 9999;
  border-radius: var(--radius-sm);
  font-weight: 600;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  min-height: 44px;
  min-width: 44px;
  line-height: 1.25;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, #4338ca 0%, #4f46e5 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #3730a3 0%, #4338ca 100%);
  color: #ffffff;
  text-decoration: none;
  box-shadow: 0 6px 18px rgba(79, 70, 229, 0.45);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background-color: var(--bg-subtle);
  border-color: var(--text-muted);
  text-decoration: none;
}

.btn-block {
  width: 100%;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

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

.brand-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-height: 44px;
  min-width: 44px;
}

.brand-logo-mark {
  width: 36px;
  height: 36px;
  background: var(--bg-contrast);
  color: #ffffff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.05em;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.brand-name {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.brand-tagline {
  font-size: 11px;
  font-weight: 600;
  color: var(--telemetry-green);
  background: var(--telemetry-glow);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  margin-left: 6px;
}

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

.nav-link {
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 4px;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.nav-link:hover, .nav-link.active {
  color: var(--brand-primary);
}

.nav-toggle-btn {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  min-height: 44px;
  min-width: 44px;
}

/* ====================================================================
   SPLIT ASYMMETRIC HERO SECTION
   ==================================================================== */
.hero-split-wrap {
  padding: 56px 0 64px;
  background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.04) 0%, transparent 40%),
              var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.hero-split-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-editorial {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-strong);
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 22px;
}

.status-dot-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--telemetry-green);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3);
}

.hero-editorial-title {
  font-size: 42px;
  line-height: 1.2;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}

.hero-editorial-sub {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 28px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.hero-feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  width: 100%;
}

.hero-tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-sub);
}

.hero-tag-check {
  color: var(--telemetry-green);
  font-weight: 700;
}

/* Telemetry Dashboard Card (Right Hero) */
.telemetry-card {
  background: var(--bg-contrast);
  color: var(--text-inv);
  border-radius: var(--radius-xl);
  padding: 28px;
  border: 1px solid var(--border-dark);
  box-shadow: var(--shadow-lift);
  position: relative;
  overflow: hidden;
}

.telemetry-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.telemetry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-dark);
  margin-bottom: 18px;
}

.telemetry-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.telemetry-badge {
  font-size: 11px;
  font-weight: 700;
  color: #10b981;
  background: rgba(16, 185, 129, 0.15);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
}

.telemetry-clock {
  font-size: 12px;
  color: var(--text-inv-sub);
  font-family: monospace;
}

.telemetry-node-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.telemetry-node-row {
  background: var(--bg-contrast-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.node-info-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.node-region-flag {
  font-size: 12px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
}

.node-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-inv);
}

.node-stats-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: monospace;
}

.node-latency {
  font-size: 13px;
  font-weight: 700;
  color: #10b981;
}

.node-jitter {
  font-size: 12px;
  color: var(--text-inv-sub);
}

.telemetry-interactive-footer {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px dashed rgba(255, 255, 255, 0.12);
}

.telemetry-diagnostic-text {
  font-size: 13px;
  color: var(--text-inv-sub);
}

.telemetry-diagnostic-btn {
  background: var(--brand-accent);
  color: #ffffff;
  border: none;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: opacity 0.15s ease;
}

.telemetry-diagnostic-btn:hover {
  opacity: 0.9;
}

/* Section Shared */
.section {
  padding: 72px 0;
}

.section-contrast {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.section-headline {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 14px;
}

.section-subtext {
  font-size: 16px;
  color: var(--text-muted);
}

/* ====================================================================
   BENEFITS SHOWCASE (TRI-COLLECTIVE)
   ==================================================================== */
.benefits-editorial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.benefit-card-alt {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.benefit-card-alt:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-strong);
}

.benefit-pill-badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-primary);
  background: var(--brand-glow);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  display: inline-block;
  margin-bottom: 18px;
  align-self: flex-start;
}

.benefit-card-title {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-main);
}

.benefit-card-text {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.benefit-feature-list {
  list-style: none;
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
}

.benefit-feature-list li {
  font-size: 13px;
  color: var(--text-sub);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.benefit-feature-list li span {
  color: var(--telemetry-green);
  font-weight: 700;
}

/* ====================================================================
   BENTO GRID SOLUTIONS MATRIX (Streaming & AI Capability Cards)
   ==================================================================== */
.bento-matrix-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.bento-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.bento-hero-cell {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--border-strong);
}

.bento-ai-cell {
  background: linear-gradient(180deg, #ffffff 0%, #f5f3ff 100%);
  border: 1px solid #ddd6fe;
}

.bento-header-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 12px;
  flex-wrap: wrap;
}

.bento-category-tag {
  font-size: 12px;
  font-weight: 700;
  color: #0284c7;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
}

.bento-category-tag.tag-indigo {
  color: var(--brand-primary);
  background: var(--brand-glow);
  border-color: #c7d2fe;
}

.bento-cell-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text-main);
}

.bento-cell-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.bento-telemetry-bar {
  background: var(--bg-contrast);
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  font-family: monospace;
}

.stream-pill {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 700;
}

.stream-pill.pill-indigo {
  background: rgba(99, 102, 241, 0.25);
  color: #a5b4fc;
}

.bento-subcards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: auto;
}

.bento-subcard {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-subtle);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-subcard:hover {
  transform: translateY(-2px);
  border-color: var(--brand-accent);
  box-shadow: var(--shadow-card);
}

.bento-subcard-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  line-height: 1.35;
}

.bento-subcard-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
}

.bento-subcard-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--telemetry-green);
  background: rgba(16, 185, 129, 0.1);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  margin-bottom: 8px;
  align-self: flex-start;
}

.bento-subcard-tag.tag-ai {
  color: var(--brand-primary);
  background: var(--brand-glow);
}

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

/* ====================================================================
   FEATURES 4-CARD MODERN BORDER LAYOUT
   ==================================================================== */
.features-asym-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-box-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
}

.feature-num-tag {
  font-size: 14px;
  font-weight: 800;
  font-family: monospace;
  color: var(--brand-accent);
  margin-bottom: 16px;
}

.feature-box-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.feature-box-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ====================================================================
   INTERACTIVE AUDIENCE SCENARIOS (Tabs + Cards)
   ==================================================================== */
.scenario-tab-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.scenario-tab-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 30px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  min-height: 44px;
  transition: all 0.15s ease;
}

.scenario-tab-btn.active, .scenario-tab-btn:hover {
  background: var(--bg-contrast);
  color: #ffffff;
  border-color: var(--bg-contrast);
}

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

.scenario-spotlight-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.scenario-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 12px;
}

.scenario-name {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
}

.scenario-badge-hardware {
  font-size: 12px;
  font-weight: 600;
  color: #0284c7;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.scenario-paragraph {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.scenario-metric-footer {
  border-top: 1px dashed var(--border-subtle);
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-sub);
}

/* ====================================================================
   PRICING CALCULATOR & TIERS SHOWCASE
   ==================================================================== */
.pricing-interactive-banner {
  background: var(--bg-subtle);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 800px;
  margin: 0 auto 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.calc-label-group {
  display: flex;
  flex-direction: column;
}

.calc-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.calc-desc {
  font-size: 13px;
  color: var(--text-muted);
}

.calc-slider-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-grow: 1;
  max-width: 400px;
}

.calc-slider {
  width: 100%;
  accent-color: var(--brand-accent);
  cursor: pointer;
  min-height: 44px;
}

.calc-result-tag {
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-primary);
  background: var(--brand-glow);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.pricing-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-plan-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px 30px;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pricing-plan-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.pricing-plan-box.spotlight {
  border: 2px solid var(--brand-accent);
  box-shadow: 0 12px 28px -6px rgba(99, 102, 241, 0.18);
}

.pricing-spotlight-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-accent);
  color: #ffffff;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.plan-head-segment {
  text-align: center;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 24px;
}

.plan-role-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sub);
  margin-bottom: 6px;
}

.plan-title-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 14px;
}

.plan-price-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}

.plan-currency {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}

.plan-amount {
  font-size: 42px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

.plan-cycle {
  font-size: 14px;
  color: var(--text-sub);
}

.plan-summary-note {
  font-size: 13px;
  color: var(--text-muted);
}

.plan-feature-checklist {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.plan-feature-checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.feature-check-icon {
  color: var(--telemetry-green);
  font-weight: 700;
}

/* ====================================================================
   TWO-COLUMN ASYMMETRIC FAQ ACCORDION
   ==================================================================== */
.faq-two-col-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 1040px;
  margin: 0 auto;
}

.faq-card-unit {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.faq-trigger-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 22px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 44px;
  gap: 12px;
}

.faq-trigger-btn:hover {
  background-color: var(--bg-subtle);
}

.faq-arrow-icon {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-sub);
  transition: transform 0.2s ease;
}

.faq-trigger-btn[aria-expanded="true"] .faq-arrow-icon {
  transform: rotate(45deg);
}

.faq-panel-content {
  padding: 0 22px 20px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  display: none;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
}

.faq-panel-content.show {
  display: block;
}

/* ====================================================================
   FINAL CTA BANNER
   ==================================================================== */
.final-cta-block {
  background: linear-gradient(135deg, #090d16 0%, #1e1b4b 100%);
  color: #ffffff;
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta-block::before {
  content: "";
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.final-cta-shell {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.final-cta-headline {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  color: #ffffff;
}

.final-cta-subheadline {
  font-size: 17px;
  color: #94a3b8;
  line-height: 1.6;
  margin-bottom: 30px;
}

.final-cta-block .btn-primary {
  background: #ffffff;
  color: var(--brand-primary);
  font-size: 16px;
  padding: 14px 36px;
  box-shadow: 0 4px 18px rgba(255, 255, 255, 0.2);
}

.final-cta-block .btn-primary:hover {
  background: #f1f5f9;
  color: #312e81;
}

/* ====================================================================
   STRICTLY COMPLIANT MINIMAL FOOTER
   ==================================================================== */
.site-footer {
  background-color: #090d16;
  color: #94a3b8;
  padding: 40px 0 28px;
  font-size: 14px;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  list-style: none;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.footer-nav a {
  color: #cbd5e1;
  text-decoration: none;
  padding: 8px 4px;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.footer-nav a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-disclosure {
  text-align: center;
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 16px;
}

.footer-copyright {
  text-align: center;
  font-size: 12px;
  color: #64748b;
  border-top: 1px solid #1e293b;
  padding-top: 16px;
}

/* ====================================================================
   MOBILE STICKY BOTTOM CTA
   ==================================================================== */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  border-top: 1px solid var(--border-strong);
  padding: 10px 16px;
  z-index: 99;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(120%);
  transition: transform 0.25s ease;
}

.mobile-sticky-cta.visible {
  transform: translateY(0);
}

.mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 600px;
  margin: 0 auto;
}

.sticky-info {
  display: flex;
  flex-direction: column;
}

.sticky-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
}

.sticky-subtitle {
  font-size: 12px;
  color: var(--text-sub);
}

/* ====================================================================
   EDITORIAL ARTICLES & GUIDES LAYOUT (TOC, Callouts, Step Blocks)
   ==================================================================== */
.article-header-banner {
  padding: 56px 0 28px;
  background: radial-gradient(circle at 10% 50%, rgba(99, 102, 241, 0.04) 0%, transparent 50%),
              var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.article-headline-main {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--text-main);
}

.article-meta-row {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  color: var(--text-sub);
  flex-wrap: wrap;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 16px;
  list-style: none;
}

.breadcrumbs li + li::before {
  content: "/";
  padding-right: 8px;
  color: var(--border-strong);
}

.article-body-layout {
  display: grid;
  grid-template-columns: 1fr 310px;
  gap: 44px;
  padding: 44px 0;
}

.single-column-prose {
  max-width: 900px;
  margin: 44px auto;
}

.article-prose {
  background: var(--bg-surface);
  padding: 40px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-subtle);
  font-size: 16px;
  line-height: 1.8;
  color: #334155;
}

.article-prose h1 {
  font-size: 28px;
  margin-bottom: 20px;
  color: var(--text-main);
  line-height: 1.35;
}

.article-prose h2 {
  font-size: 22px;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--text-main);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}

.article-prose h3 {
  font-size: 18px;
  margin-top: 24px;
  margin-bottom: 12px;
  color: var(--text-main);
}

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

.article-prose ul, .article-prose ol {
  margin-bottom: 22px;
  padding-left: 20px;
}

.article-prose li {
  margin-bottom: 8px;
}

/* Key Takeaway Callout Box */
.takeaway-callout {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(16, 185, 129, 0.06) 100%);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-left: 4px solid var(--brand-accent);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  margin-bottom: 28px;
}

.takeaway-header {
  font-size: 15px;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 8px;
}

.takeaway-callout p {
  margin-bottom: 0;
  font-size: 15px;
  color: var(--text-muted);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 14px;
}

.article-table th, .article-table td {
  padding: 14px 16px;
  border: 1px solid var(--border-subtle);
  text-align: left;
}

.article-table th {
  background-color: var(--bg-subtle);
  font-weight: 700;
  color: var(--text-main);
}

.article-prose .content-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  margin: 24px 0;
}

.article-end-cta-banner {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin-top: 40px;
}

.article-end-cta-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 10px;
}

.article-end-cta-desc {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.article-related-links-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  margin-top: 28px;
}

.article-related-links-box h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-main);
}

.article-related-links-box ul {
  list-style: none;
  padding: 0;
}

.article-related-links-box li {
  margin-bottom: 10px;
}

/* Sticky TOC Sidebar */
.article-aside-dock {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-sticky-panel {
  position: sticky;
  top: 90px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.widget-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-subtle);
}

.widget-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.toc-list-items {
  list-style: none;
}

.toc-list-items li {
  margin-bottom: 10px;
  font-size: 13px;
  line-height: 1.5;
}

.toc-list-items a {
  color: var(--text-muted);
}

.toc-list-items a:hover {
  color: var(--brand-primary);
}

/* ====================================================================
   GUIDES HUB MAGAZINE GRID
   ==================================================================== */
.guides-magazine-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 36px;
}

.guide-story-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-subtle);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.guide-story-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.guide-badge-pill {
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-primary);
  background: var(--brand-glow);
  padding: 3px 10px;
  border-radius: var(--radius-xs);
  display: inline-block;
  margin-bottom: 14px;
  align-self: flex-start;
}

.guide-headline-link {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 12px;
}

.guide-headline-link a {
  color: var(--text-main);
}

.guide-headline-link a:hover {
  color: var(--brand-primary);
}

.guide-summary-paragraph {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 22px;
  flex-grow: 1;
}

.guide-meta-footer {
  font-size: 13px;
  color: var(--text-sub);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-split-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .bento-matrix-grid {
    grid-template-columns: 1fr;
  }
  .bento-hero-cell {
    grid-column: 1 / -1;
    grid-row: auto;
  }
  .features-asym-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-showcase-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .pricing-plan-box.spotlight {
    order: -1;
  }
  .faq-two-col-layout {
    grid-template-columns: 1fr;
  }
  .guides-magazine-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-editorial-title {
    font-size: 30px;
  }
  .hero-editorial-sub {
    font-size: 16px;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 20px;
    gap: 12px;
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-card);
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-toggle-btn {
    display: block;
  }
  .benefits-editorial-grid,
  .scenarios-cards-wrap,
  .features-asym-grid,
  .guides-magazine-grid,
  .bento-subcards-grid {
    grid-template-columns: 1fr;
  }
  .article-body-layout {
    grid-template-columns: 1fr;
  }
  .article-prose {
    padding: 24px;
  }
  .mobile-sticky-cta {
    display: block;
  }
  body {
    padding-bottom: 64px;
  }
}