:root {
  /* Premium Enterprise Color Palette (WCAG AAA Compliant) */
  --bg-primary: #090D16;
  --bg-elevated: #0D1320;
  --surface: #111827;
  --surface-hover: #162033;
  --surface-active: #1B273D;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-accent: rgba(37, 99, 235, 0.5);
  --border-cyan: rgba(6, 182, 212, 0.45);
  --border-emerald: rgba(16, 185, 129, 0.4);

  /* Text Hierarchy */
  --text-primary: #F9FAFB;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;

  /* Brand & Semantic Accents */
  --accent-blue: #2563EB;
  --accent-blue-bright: #3B82F6;
  --accent-blue-soft: rgba(37, 99, 235, 0.14);
  --accent-cyan: #06B6D4;
  --accent-cyan-soft: rgba(6, 182, 212, 0.12);
  --accent-emerald: #10B981;
  --accent-emerald-soft: rgba(16, 185, 129, 0.12);
  --accent-amber: #F59E0B;
  --accent-crimson: #EF4444;

  /* Typography System */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Motion & Layout */
  --ease-out-expo: cubic-bezier(0.22, 1, 0.36, 1);
  --container-max: 1280px;
  --section-pad-y: 6.25rem; /* 100px vertical padding on desktop (80px-120px specification) */
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

main {
  flex: 1 0 auto;
  position: relative;
  z-index: 1;
}

/* Subtle Architectural Grid Backdrop */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 85% 65% at 50% 15%, #000 35%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 85% 65% at 50% 15%, #000 35%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1.5rem;
  background: var(--accent-blue);
  color: var(--text-primary);
  padding: 0.625rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-decoration: none;
  border-radius: 6px;
  z-index: 9999;
  transition: top 0.25s var(--ease-out-expo);
}

.skip-link:focus {
  top: 1rem;
}

/* Modular Typographic Scale */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.25rem, 4vw + 1rem, 3.75rem);
  line-height: 1.15;
}

h2 {
  font-size: clamp(1.75rem, 2.5vw + 0.75rem, 2.5rem);
  line-height: 1.25;
}

h3 {
  font-size: clamp(1.25rem, 1.5vw + 0.5rem, 1.5rem);
  line-height: 1.35;
  font-weight: 600;
}

p {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.body-lg {
  font-size: 1.125rem;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--ease-out-expo), border-color 0.25s var(--ease-out-expo), background-color 0.25s var(--ease-out-expo);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* Section Framing & Spacing (80px - 120px Vertical Padding) */
.section {
  padding: var(--section-pad-y) 0;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.section--alt {
  background: rgba(17, 24, 39, 0.38);
}

.section-header {
  max-width: 780px;
  margin-bottom: 3.5rem;
}

.section-header--split {
  max-width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
}

.section-header--split .section-header__copy {
  max-width: 680px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent-cyan);
  background: var(--accent-cyan-soft);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 0.375rem 0.875rem;
  border-radius: 6px;
  margin-bottom: 1.25rem;
}

.eyebrow--emerald {
  color: var(--accent-emerald);
  background: var(--accent-emerald-soft);
  border-color: rgba(16, 185, 129, 0.32);
}

.eyebrow--blue {
  color: var(--accent-blue-bright);
  background: var(--accent-blue-soft);
  border-color: rgba(37, 99, 235, 0.35);
}

.section-title {
  margin-bottom: 1rem;
}

.section-lead {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* Top Telemetry Strip */
.top-bar {
  background: #060910;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  padding: 0.55rem 0;
  position: relative;
  z-index: 60;
}

.top-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-bar__left,
.top-bar__right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.top-bar__tag {
  color: var(--text-primary);
  font-weight: 600;
}

.top-bar__divider {
  color: rgba(255, 255, 255, 0.16);
}

.top-bar__hotline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
}

.top-bar__hotline:hover {
  color: var(--accent-cyan);
}

/* Sticky Enterprise Navigation Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 13, 22, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color 0.3s var(--ease-out-expo), border-color 0.3s var(--ease-out-expo);
}

.site-header.is-scrolled {
  background: rgba(9, 13, 22, 0.96);
  border-bottom-color: rgba(255, 255, 255, 0.14);
}

.nav-container {
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo__mark {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  transition: transform 0.35s var(--ease-out-expo);
}

.brand-logo:hover .brand-logo__mark {
  transform: scale(1.04);
}

.brand-logo__text {
  display: flex;
  flex-direction: column;
}

.brand-logo__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.15;
}

.brand-logo__subtitle {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-top: 0.15rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
}

.nav-link {
  padding: 0.5rem 0.8rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 6px;
  position: relative;
  white-space: nowrap;
  transition: color 0.25s var(--ease-out-expo), background-color 0.25s var(--ease-out-expo);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-link.is-active {
  color: var(--text-primary);
  background: rgba(37, 99, 235, 0.14);
  box-shadow: inset 0 -2px 0 var(--accent-cyan);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  flex-shrink: 0;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.28);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-emerald 2.4s infinite var(--ease-out-expo);
}

@keyframes pulse-emerald {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.65);
  }
  70% {
    box-shadow: 0 0 0 7px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 0.78rem 1.4rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out-expo), background-color 0.25s var(--ease-out-expo), border-color 0.25s var(--ease-out-expo), box-shadow 0.25s var(--ease-out-expo);
  white-space: nowrap;
}

.btn svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease-out-expo);
}

.btn:hover svg.icon-arrow {
  transform: translateX(3px);
}

.btn--primary {
  background: var(--accent-blue);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.btn--primary:hover {
  background: var(--accent-blue-bright);
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(59, 130, 246, 0.42);
}

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

.btn--secondary:hover {
  background: var(--surface-hover);
  border-color: var(--accent-cyan);
  transform: translateY(-1px);
}

.btn--sm {
  padding: 0.55rem 1.05rem;
  font-size: 0.85rem;
}

.mobile-menu-toggle {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 42px;
  height: 42px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Home Hero Section */
.hero {
  padding: 5.5rem 0 6.5rem;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  top: -180px;
  right: -120px;
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.14) 0%, rgba(6, 182, 212, 0.06) 45%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 3.5rem;
  align-items: center;
}

.hero__meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.4rem 0.9rem;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero__meta-pill strong {
  color: var(--accent-cyan);
  font-weight: 600;
}

.hero__title {
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.hero__title-accent {
  color: var(--accent-cyan);
  display: block;
}

.hero__subtitle {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 2.25rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2.75rem;
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.metric-item__value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.metric-item__unit {
  font-size: 0.875rem;
  color: var(--accent-cyan);
}

.metric-item__label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

/* Subpage Hero Header */
.page-hero {
  padding: 5rem 0 4.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.65) 0%, rgba(9, 13, 22, 0) 100%);
  position: relative;
}

.page-hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

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

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

.breadcrumb__current {
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Interactive Telemetry Console */
.telemetry-console {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
  overflow: hidden;
  position: relative;
}

.telemetry-console__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.25rem;
  background: #0B101B;
  border-bottom: 1px solid var(--border-subtle);
  gap: 0.75rem;
}

.console-title-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.console-window-dots {
  display: flex;
  gap: 0.375rem;
}

.console-window-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
}

.console-window-dots span:first-child {
  background: var(--accent-emerald);
}

.console-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-primary);
  letter-spacing: 0.04em;
}

.console-clock {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.1);
  padding: 0.22rem 0.6rem;
  border-radius: 4px;
  border: 1px solid rgba(16, 185, 129, 0.28);
}

.telemetry-console__tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--border-subtle);
  background: #0D1320;
}

.console-tab {
  background: transparent;
  border: none;
  border-right: 1px solid var(--border-subtle);
  padding: 0.7rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background-color 0.2s var(--ease-out-expo), color 0.2s var(--ease-out-expo);
  text-align: center;
}

.console-tab:last-child {
  border-right: none;
}

.console-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.console-tab.is-active {
  color: var(--text-primary);
  background: var(--surface);
  box-shadow: inset 0 -2px 0 var(--accent-cyan);
}

.telemetry-console__body {
  padding: 1.5rem;
}

.topology-map {
  background: #090D16;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.25rem;
  position: relative;
}

.topology-svg {
  width: 100%;
  height: auto;
  display: block;
}

.node-readout-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.readout-box {
  background: #0B101B;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.85rem 1rem;
}

.readout-box__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 0.3rem;
}

.readout-box__value {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.readout-box__value--emerald {
  color: var(--accent-emerald);
}

.console-log-strip {
  background: #070A12;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.console-log-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.console-ping-btn {
  background: rgba(37, 99, 235, 0.16);
  border: 1px solid rgba(37, 99, 235, 0.45);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color 0.2s var(--ease-out-expo), border-color 0.2s var(--ease-out-expo);
}

.console-ping-btn:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue-bright);
}

/* Heritage Continuity Strip */
.heritage-strip {
  background: #0D1320;
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.5rem 0;
}

.heritage-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.heritage-strip__label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

.heritage-strip__nodes {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.heritage-strip__nodes li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.heritage-strip__nodes li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
}

/* Bento & Feature Grids (Generous Gap 28px / 1.75rem) */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.75rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.25rem;
}

.bento-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease-out-expo), border-color 0.35s var(--ease-out-expo), background-color 0.35s var(--ease-out-expo), box-shadow 0.35s var(--ease-out-expo);
}

.bento-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-accent);
  background: var(--surface-hover);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(6, 182, 212, 0.18);
}

.bento-card--span-7 {
  grid-column: span 7;
}

.bento-card--span-5 {
  grid-column: span 5;
}

.bento-card--span-6 {
  grid-column: span 6;
}

.bento-card--span-4 {
  grid-column: span 4;
}

.bento-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.icon-frame {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.32);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue-bright);
  flex-shrink: 0;
}

.icon-frame--emerald {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.32);
  color: var(--accent-emerald);
}

.icon-frame--cyan {
  background: rgba(6, 182, 212, 0.12);
  border-color: rgba(6, 182, 212, 0.32);
  color: var(--accent-cyan);
}

.icon-frame svg {
  width: 22px;
  height: 22px;
}

.bento-card__code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
}

.bento-card__title {
  margin-bottom: 0.85rem;
}

.bento-card__desc {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.bento-card__specs {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  list-style: none;
}

.spec-chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-primary);
  background: #090D16;
  border: 1px solid var(--border-subtle);
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
}

.spec-chip--emerald {
  color: var(--accent-emerald);
  border-color: rgba(16, 185, 129, 0.28);
}

.spec-chip--cyan {
  color: var(--accent-cyan);
  border-color: rgba(6, 182, 212, 0.28);
}

/* Visual Frame Component */
.visual-showcase {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.visual-showcase img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

.visual-showcase__caption {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* Timeline Component (About Page) */
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.timeline-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
  transition: transform 0.3s var(--ease-out-expo), border-color 0.3s var(--ease-out-expo);
}

.timeline-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-cyan);
}

.timeline-card__year {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 0.04em;
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.25rem 0.65rem;
  background: var(--accent-cyan-soft);
  border-radius: 6px;
}

/* Technical Specifications & Regional Repeater Matrix */
.specs-layout {
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 2.25rem;
  align-items: start;
}

.specs-nav {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.specs-nav__btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  padding: 0.95rem 1.1rem;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: background-color 0.25s var(--ease-out-expo), border-color 0.25s var(--ease-out-expo);
}

.specs-nav__btn:hover {
  background: rgba(255, 255, 255, 0.03);
}

.specs-nav__btn.is-active {
  background: rgba(37, 99, 235, 0.14);
  border-color: rgba(6, 182, 212, 0.45);
}

.specs-nav__code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.specs-nav__title {
  font-family: var(--font-heading);
  font-size: 0.975rem;
  font-weight: 600;
  color: var(--text-primary);
}

.specs-panel-wrapper {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
}

.specs-panel {
  display: none;
}

.specs-panel.is-active {
  display: block;
}

.specs-panel__header {
  padding: 1.65rem 2rem;
  background: #0D1320;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.specs-panel__title {
  font-size: 1.3rem;
  margin-bottom: 0.3rem;
}

.specs-panel__subtitle {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.specs-table-container {
  overflow-x: auto;
}

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

.specs-table th {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  padding: 1.05rem 1.5rem;
  background: #090D16;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.specs-table td {
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.95rem;
  color: var(--text-secondary);
  vertical-align: middle;
}

.specs-table tr:last-child td {
  border-bottom: none;
}

.specs-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.specs-table td strong {
  color: var(--text-primary);
  font-weight: 600;
}

.mono-cell {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
}

.node-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.node-pill--standby {
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-cyan);
  border-color: rgba(6, 182, 212, 0.32);
}

/* Code / Configuration Blocks (Documentation Page) */
.code-card {
  background: #070A12;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
}

.code-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background: #0D1320;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
}

.code-card__pre {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-primary);
  overflow-x: auto;
}

/* Client Reviews / Field Reports */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.review-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.35s var(--ease-out-expo), border-color 0.35s var(--ease-out-expo);
}

.review-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-cyan);
}

.review-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.28);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
}

.verified-badge svg {
  width: 13px;
  height: 13px;
}

.review-card__sector {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.review-card__quote {
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.review-card__author {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: auto;
}

.author-monogram {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: #090D16;
  border: 1px solid rgba(6, 182, 212, 0.38);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.author-info__name {
  font-family: var(--font-heading);
  font-size: 0.975rem;
  font-weight: 600;
  color: var(--text-primary);
}

.author-info__role {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Interactive FAQ Section */
.faq-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
  align-items: start;
}

.faq-sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2rem;
  margin-top: 2rem;
}

.faq-sidebar-card__title {
  font-size: 1.15rem;
  margin-bottom: 0.65rem;
}

.faq-sidebar-card__desc {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.3s var(--ease-out-expo), background-color 0.3s var(--ease-out-expo);
}

.faq-item.is-open {
  border-color: var(--border-accent);
  background: #141D2F;
}

.faq-trigger {
  width: 100%;
  background: transparent;
  border: none;
  padding: 1.4rem 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  text-align: left;
  cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.faq-trigger:hover {
  color: var(--accent-cyan);
}

.faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.35s var(--ease-out-expo), background-color 0.35s var(--ease-out-expo), border-color 0.35s var(--ease-out-expo);
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
  background: var(--accent-blue);
  border-color: var(--accent-blue-bright);
}

.faq-icon svg {
  width: 15px;
  height: 15px;
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out-expo);
}

.faq-content__inner {
  padding: 0 1.6rem 1.6rem;
  font-size: 0.975rem;
  line-height: 1.65;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 1.15rem;
}

/* Dispatch & Agency Onboarding Callout Section */
.cta-banner {
  background: linear-gradient(135deg, #111827 0%, #0B111E 100%);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.cta-banner__form {
  background: #090D16;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.15rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin-bottom: 0.45rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.78rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s var(--ease-out-expo);
}

.form-textarea {
  min-height: 110px;
  resize: vertical;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.form-feedback {
  margin-top: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-emerald);
  display: none;
}

.form-feedback.is-visible {
  display: block;
}

/* Comprehensive Footer */
.site-footer {
  background: #060910;
  padding: 5.5rem 0 2.75rem;
  border-top: 1px solid var(--border-subtle);
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.15fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand__desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin: 1.25rem 0 1.5rem;
  max-width: 360px;
}

.footer-status-box {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.95rem;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-primary);
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.925rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-bottom__legal {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

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

/* Scroll Reveal Animation Classes */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s var(--ease-out-expo), transform 0.65s var(--ease-out-expo);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Breakpoints (Zero Overlapping Guarantee) */
@media (max-width: 1120px) {
  .hero__grid,
  .page-hero__grid,
  .specs-layout,
  .faq-layout,
  .cta-banner {
    grid-template-columns: 1fr;
  }

  .bento-card--span-7,
  .bento-card--span-5,
  .bento-card--span-6,
  .bento-card--span-4 {
    grid-column: span 6;
  }

  .grid-3,
  .reviews-grid,
  .timeline-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .top-bar__right {
    display: none;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 5rem;
    left: 0;
    right: 0;
    background: #0B101B;
    border-bottom: 1px solid var(--border-strong);
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem 2rem;
    gap: 0.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  }

  .nav-links.is-open {
    display: flex;
  }

  .status-badge {
    display: none;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .bento-card--span-7,
  .bento-card--span-5,
  .bento-card--span-6,
  .bento-card--span-4 {
    grid-column: span 12;
  }

  .grid-3,
  .grid-2,
  .reviews-grid,
  .timeline-grid,
  .footer-grid,
  .hero__metrics,
  .telemetry-console__tabs,
  .node-readout-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 4.5rem 0;
  }

  .cta-banner {
    padding: 2.25rem 1.5rem;
  }

  .container {
    padding: 0 1.25rem;
  }
}