:root {
  /* Oxide + Teenage Engineering Inspired Industrial Palette */
  --bg-canvas: #F4F5F7;
  --bg-surface: #FFFFFF;
  --bg-subtle: #EBEEF2;
  --bg-obsidian: #080B10;
  --bg-obsidian-elevated: #0E131B;
  --bg-obsidian-panel: #131A24;

  --ink-primary: #0B0F17;
  --ink-secondary: #3B4758;
  --ink-muted: #64748B;

  --rule-hairline: #D5DCE6;
  --rule-dark: #1E293B;
  --rule-strong: #0B0F17;

  --accent-signal: #EA580C;
  --accent-signal-hover: #C2410C;
  --accent-signal-soft: rgba(234, 88, 12, 0.09);
  --accent-emerald: #10B981;
  --accent-emerald-soft: rgba(16, 185, 129, 0.14);
  --accent-cyan: #38BDF8;

  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Motion Design Skill Tokens (Premium / Rigid Metal Archetype: 0% overshoot) */
  --ease-snappy: cubic-bezier(0.2, 0, 0, 1);
  --ease-premium: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-entrance: cubic-bezier(0.05, 0.7, 0.1, 1);
  --dur-micro: 140ms;
  --dur-card: 280ms;
  --dur-reveal: 520ms;

  --container-max: 1320px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--ink-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /* Architectural blueprint background grid */
  background-image:
    linear-gradient(to right, rgba(203, 213, 225, 0.28) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(203, 213, 225, 0.28) 1px, transparent 1px);
  background-size: 48px 48px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-signal);
  outline-offset: 2px;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 32px;
}

/* ==========================================================================
   TOP TELEMETRY STATUS BAR & MULTI-PAGE NAVIGATION
   ========================================================================== */
.spec-topbar {
  background-color: var(--bg-obsidian);
  color: #94A3B8;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--rule-dark);
}

.spec-topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 36px;
  gap: 16px;
  flex-wrap: wrap;
}

.spec-topbar__left,
.spec-topbar__right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: var(--accent-emerald);
  display: inline-block;
  animation: ambientPulse 2600ms ease-in-out infinite;
}

@keyframes ambientPulse {
  0%, 100% { opacity: 0.65; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.08); box-shadow: 0 0 8px var(--accent-emerald); }
}

.topbar-mail {
  color: #F8FAFC;
  text-decoration: none;
  border-bottom: 1px solid var(--accent-signal);
}

.site-header {
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule-hairline);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--ink-primary);
}

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

.brand-name {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  line-height: 1.1;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: var(--ink-muted);
  letter-spacing: 0.05em;
  margin-top: 3px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-canvas);
  padding: 4px;
  border: 1px solid var(--rule-hairline);
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--ink-secondary);
  text-decoration: none;
  padding: 8px 16px;
  transition: background-color var(--dur-micro) var(--ease-snappy),
              color var(--dur-micro) var(--ease-snappy);
}

.nav-link:hover {
  color: var(--ink-primary);
  background-color: rgba(255, 255, 255, 0.7);
}

.nav-link.active {
  background-color: var(--ink-primary);
  color: #FFFFFF;
  font-weight: 600;
}

.nav-num {
  color: var(--accent-signal);
  margin-right: 4px;
}

.nav-link.active .nav-num {
  color: var(--accent-emerald);
}

/* ==========================================================================
   BUTTONS (MOTION CRAFT: RIGID METAL RESPONSE)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 11px 20px;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform var(--dur-micro) var(--ease-snappy),
              background-color var(--dur-micro) var(--ease-snappy),
              color var(--dur-micro) var(--ease-snappy),
              border-color var(--dur-micro) var(--ease-snappy);
}

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

.btn svg {
  transition: transform var(--dur-micro) var(--ease-snappy);
}

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

.btn--primary {
  background-color: var(--accent-signal);
  color: #FFFFFF;
  border-color: var(--accent-signal);
}

.btn--primary:hover {
  background-color: var(--accent-signal-hover);
  border-color: var(--accent-signal-hover);
}

.btn--outline {
  background-color: var(--bg-surface);
  color: var(--ink-primary);
  border-color: var(--ink-primary);
}

.btn--outline:hover {
  background-color: var(--ink-primary);
  color: #FFFFFF;
}

.btn--dark {
  background-color: var(--bg-obsidian-panel);
  color: #F8FAFC;
  border-color: #334155;
}

.btn--dark:hover {
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
}

.btn--lg {
  padding: 15px 26px;
  font-size: 0.86rem;
}

.btn--full {
  width: 100%;
}

/* ==========================================================================
   GENEROUS OXIDE-STYLE SPACING & REVEAL CHOREOGRAPHY
   ========================================================================== */
.stage-section {
  padding: 108px 0;
  border-bottom: 1px solid var(--rule-hairline);
  position: relative;
}

.stage-section--surface {
  background-color: var(--bg-surface);
}

.stage-section--obsidian {
  background-color: var(--bg-obsidian);
  color: #F8FAFC;
  border-bottom: 1px solid var(--rule-dark);
  background-image:
    linear-gradient(to right, rgba(30, 41, 59, 0.35) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 41, 59, 0.35) 1px, transparent 1px);
  background-size: 48px 48px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent-signal);
  margin-bottom: 16px;
}

.stage-section--obsidian .eyebrow {
  color: var(--accent-emerald);
}

.display-title {
  font-size: clamp(2.35rem, 4.2vw, 3.6rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.section-heading {
  font-size: clamp(1.85rem, 3vw, 2.55rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.025em;
  margin-bottom: 18px;
}

.lead-prose {
  font-size: 1.12rem;
  color: var(--ink-secondary);
  max-width: 58ch;
  line-height: 1.65;
}

.stage-section--obsidian .lead-prose {
  color: #94A3B8;
}

/* Scroll Reveal Choreography (Motion Skill: Entrance decelerate, 520ms) */
.reveal-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--dur-reveal) var(--ease-entrance),
              transform var(--dur-reveal) var(--ease-entrance);
}

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

.delay-1 { transition-delay: 70ms; }
.delay-2 { transition-delay: 140ms; }
.delay-3 { transition-delay: 210ms; }

/* ==========================================================================
   HOME HERO: SPACIOUS SPLIT + LIVE VISION & SILICON VISUALIZER CANVAS
   ========================================================================== */
.hero-oxide {
  padding: 84px 0 104px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--rule-hairline);
}

.hero-oxide__grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 56px;
  align-items: center;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
  margin-bottom: 40px;
}

.hero-kpi-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule-hairline);
  padding-top: 24px;
  gap: 20px;
}

.kpi-item__num {
  font-family: var(--font-mono);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--ink-primary);
  display: block;
  line-height: 1.15;
}

.kpi-item__label {
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-top: 4px;
  display: block;
}

/* LIVE INTERACTIVE SILICON & RTSP VISION STAGE */
.oxide-visualizer {
  background-color: var(--bg-obsidian);
  border: 1.5px solid var(--ink-primary);
  color: #F8FAFC;
  font-family: var(--font-mono);
  position: relative;
  overflow: hidden;
}

.visualizer-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background-color: var(--bg-obsidian-panel);
  border-bottom: 1px solid var(--rule-dark);
  font-size: 0.72rem;
}

.visualizer-tabs {
  display: flex;
  gap: 6px;
}

.vis-tab {
  background: transparent;
  color: #94A3B8;
  border: 1px solid #263244;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  cursor: pointer;
  transition: all var(--dur-micro) var(--ease-snappy);
}

.vis-tab.active {
  background-color: var(--accent-emerald-soft);
  color: var(--accent-emerald);
  border-color: var(--accent-emerald);
}

.visualizer-canvas-wrap {
  position: relative;
  height: 370px;
  background-color: #06090E;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   LUXURY INDUSTRIAL ISOMETRIC 3D TOPOLOGY STAGE (CALM 5-SECOND AMBIENT FLOW)
   ========================================================================== */
.topo-status-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background-color: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.45);
  color: var(--accent-emerald);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.iso-stage {
  background: radial-gradient(circle at 50% 48%, #0E1726 0%, #06090E 78%);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* Slow, composed 5.6s hardware float + ambient breathing aura */
.iso-hardware-unit {
  animation: isoHardwareFloat 6s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate;
  transform-origin: center;
}

.ambient-breathe {
  animation: ambientAuraBreathe 5.2s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate;
  transform-origin: 350px 210px;
}

@keyframes isoHardwareFloat {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-4px); }
}

@keyframes ambientAuraBreathe {
  0% { opacity: 0.55; transform: scale(0.96); }
  100% { opacity: 1; transform: scale(1.05); }
}

/* Composed, unhurried optical energy streams along isometric Bezier paths */
.calm-beam {
  stroke-dasharray: 36 220;
  stroke-dashoffset: 256;
  animation: calmOpticalStream 4.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.calm-beam--1 { animation-delay: 0s; }
.calm-beam--2 { animation-delay: 0.9s; }
.calm-beam--3 { animation-delay: 1.8s; }

.calm-beam--out1 {
  stroke-dasharray: 32 210;
  stroke-dashoffset: 242;
  animation: calmOpticalStreamOut 4.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  animation-delay: 1.1s;
}
.calm-beam--out2 {
  stroke-dasharray: 32 210;
  stroke-dashoffset: 242;
  animation: calmOpticalStreamOut 4.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  animation-delay: 2.0s;
}
.calm-beam--out3 {
  stroke-dasharray: 32 210;
  stroke-dashoffset: 242;
  animation: calmOpticalStreamOut 4.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  animation-delay: 2.9s;
}

@keyframes calmOpticalStream {
  0% { stroke-dashoffset: 256; opacity: 0.2; }
  30% { opacity: 1; }
  75% { opacity: 1; }
  100% { stroke-dashoffset: -40; opacity: 0.15; }
}

@keyframes calmOpticalStreamOut {
  0% { stroke-dashoffset: 242; opacity: 0.2; }
  30% { opacity: 1; }
  75% { opacity: 1; }
  100% { stroke-dashoffset: -36; opacity: 0.15; }
}

#hero-silicon-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.visualizer-hud {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule-dark);
  background-color: var(--bg-obsidian-elevated);
}

.hud-metric {
  padding: 14px 16px;
  border-right: 1px solid var(--rule-dark);
}

.hud-metric:last-child {
  border-right: none;
}

.hud-metric__k {
  display: block;
  font-size: 0.64rem;
  color: #64748B;
  margin-bottom: 4px;
}

.hud-metric__v {
  font-size: 1.05rem;
  font-weight: 700;
  color: #F8FAFC;
  font-variant-numeric: tabular-nums;
}

.hud-metric__v--emerald {
  color: var(--accent-emerald);
}

/* ==========================================================================
   HOMEPAGE VISUAL COMPARISON CARDS (PLAIN-ENGLISH ANIMATED STAGE)
   ========================================================================== */
.compare-stage {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.compare-card {
  background-color: var(--bg-obsidian-elevated);
  border: 1.5px solid var(--rule-dark);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--dur-card) var(--ease-premium),
              border-color var(--dur-card) var(--ease-premium);
}

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

.compare-card__tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-emerald);
  margin-bottom: 12px;
  display: block;
}

.compare-card__title {
  font-size: 1.32rem;
  font-weight: 700;
  color: #F8FAFC;
  line-height: 1.25;
  margin-bottom: 22px;
}

.compare-bars {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 22px;
  background-color: var(--bg-obsidian);
  border: 1px solid var(--rule-dark);
  padding: 16px;
}

.cbar-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #CBD5E1;
  margin-bottom: 6px;
}

.cbar-track {
  height: 10px;
  background-color: #1E293B;
  overflow: hidden;
}

.cbar-fill {
  height: 100%;
}

.cbar-fill--old {
  background-color: #64748B;
}

.cbar-fill--new {
  background-color: var(--accent-emerald);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.5);
}

.turnkey-anim-box {
  background-color: var(--bg-obsidian);
  border: 1px solid var(--rule-dark);
  padding: 12px;
  margin-bottom: 22px;
}

.compare-card__foot {
  font-size: 0.88rem;
  color: #94A3B8;
  line-height: 1.5;
}

.compare-card__foot strong {
  color: #F8FAFC;
}

/* ==========================================================================
   X-RAY HARDWARE CHASSIS INSPECTOR (OXIDE STYLE INTERACTIVE DIAGRAM)
   ========================================================================== */
.xray-showcase {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  border: 1.5px solid var(--rule-dark);
  background-color: var(--bg-obsidian-elevated);
}

.xray-stage {
  padding: 36px;
  border-right: 1px solid var(--rule-dark);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.xray-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.xray-layer-switch {
  display: inline-flex;
  background-color: var(--bg-obsidian);
  border: 1px solid var(--rule-dark);
  padding: 3px;
}

.layer-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 6px 14px;
  background: transparent;
  color: #94A3B8;
  border: none;
  cursor: pointer;
  transition: all var(--dur-micro) var(--ease-snappy);
}

.layer-btn.active {
  background-color: var(--accent-signal);
  color: #FFFFFF;
  font-weight: 600;
}

.xray-svg-container {
  width: 100%;
  min-height: 290px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.xray-svg {
  width: 100%;
  max-width: 640px;
  height: auto;
}

/* Animated dataflow pulses inside SVG schematics */
.signal-trace {
  stroke-dasharray: 8 8;
  animation: traceFlow 1.8s linear infinite;
}

@keyframes traceFlow {
  to { stroke-dashoffset: -32; }
}

.hotspot-node {
  cursor: pointer;
  transition: transform var(--dur-micro) var(--ease-snappy);
}

.hotspot-node:hover,
.hotspot-node.active {
  filter: drop-shadow(0 0 8px rgba(234, 88, 12, 0.8));
}

.xray-inspector-panel {
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.inspector-hotspot-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 20px 0;
}

.hotspot-pill {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 11px 14px;
  background-color: var(--bg-obsidian);
  border: 1px solid var(--rule-dark);
  color: #CBD5E1;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--dur-micro) var(--ease-snappy);
}

.hotspot-pill:hover {
  border-color: #475569;
}

.hotspot-pill.active {
  border-color: var(--accent-signal);
  background-color: rgba(234, 88, 12, 0.12);
  color: #FFFFFF;
}

.inspector-detail-box {
  background-color: var(--bg-obsidian);
  border: 1px solid var(--rule-dark);
  padding: 20px;
}

.inspector-detail-box h4 {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent-emerald);
  margin-bottom: 8px;
}

.inspector-detail-box p {
  font-size: 0.86rem;
  color: #CBD5E1;
  line-height: 1.55;
}

/* ==========================================================================
   SPACIOUS PORTAL CARDS (MULTI-PAGE NAVIGATION PREVIEWS)
   ========================================================================== */
.portal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.portal-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--rule-hairline);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  color: var(--ink-primary);
  transition: transform var(--dur-card) var(--ease-premium),
              border-color var(--dur-card) var(--ease-premium),
              box-shadow var(--dur-card) var(--ease-premium);
}

.portal-card:hover {
  transform: translateY(-4px);
  border-color: var(--ink-primary);
  box-shadow: 0 14px 30px -12px rgba(11, 15, 23, 0.12);
}

.portal-card__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent-signal);
  margin-bottom: 14px;
  display: block;
}

.portal-card__title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.portal-card__desc {
  font-size: 0.92rem;
  color: var(--ink-secondary);
  margin-bottom: 28px;
}

.portal-card__Visual {
  height: 120px;
  background-color: var(--bg-canvas);
  border: 1px solid var(--rule-hairline);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.portal-card__cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   HARDWARE MATRIX CARDS (FOR HARDWARE.HTML)
   ========================================================================== */
.section-header-split {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.pricing-tier-toggle {
  background-color: var(--bg-surface);
  border: 1px solid var(--rule-hairline);
  padding: 12px 14px;
}

.tier-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-muted);
  margin-bottom: 8px;
}

.tier-buttons {
  display: flex;
  gap: 6px;
}

.tier-btn {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  padding: 7px 14px;
  border: 1px solid var(--rule-hairline);
  background-color: var(--bg-canvas);
  color: var(--ink-secondary);
  cursor: pointer;
  transition: all var(--dur-micro) var(--ease-snappy);
}

.tier-btn.active {
  background-color: var(--ink-primary);
  color: #FFFFFF;
  border-color: var(--ink-primary);
  font-weight: 600;
}

.sku-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.sku-card {
  background-color: var(--bg-surface);
  border: 1.5px solid var(--rule-hairline);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--dur-card) var(--ease-premium),
              border-color var(--dur-card) var(--ease-premium);
}

.sku-card:hover {
  transform: translateY(-4px);
  border-color: var(--ink-primary);
}

.sku-card--featured {
  border-color: var(--ink-primary);
  box-shadow: 0 18px 36px -16px rgba(11, 15, 23, 0.14);
}

.sku-featured-banner {
  background-color: var(--ink-primary);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-align: center;
  padding: 7px 12px;
  letter-spacing: 0.05em;
}

.sku-card__top {
  padding: 30px 28px 22px;
}

.sku-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.sku-code {
  color: var(--ink-muted);
  font-weight: 600;
}

.sku-badge {
  padding: 3px 8px;
  border: 1px solid var(--rule-hairline);
  background-color: var(--bg-canvas);
  color: var(--ink-secondary);
  font-size: 0.66rem;
}

.sku-badge--accent {
  border-color: var(--accent-signal);
  background-color: var(--accent-signal-soft);
  color: var(--accent-signal);
  font-weight: 600;
}

.sku-name {
  font-size: 1.65rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.sku-tagline {
  font-size: 0.92rem;
  color: var(--ink-secondary);
  min-height: 46px;
  margin-bottom: 20px;
}

.chassis-diagram {
  margin-bottom: 20px;
  border: 1px solid var(--rule-hairline);
  background-color: var(--bg-canvas);
  padding: 10px;
}

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

.sku-price-box {
  padding: 16px;
  background-color: var(--bg-canvas);
  border: 1px solid var(--rule-hairline);
}

.sku-price-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.sku-price {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.sku-price-unit {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-secondary);
}

.sku-price-note {
  display: block;
  font-size: 0.78rem;
  color: var(--ink-secondary);
  margin-top: 6px;
}

.sku-specs {
  border-top: 1px solid var(--rule-hairline);
  border-bottom: 1px solid var(--rule-hairline);
}

.spec-row {
  display: grid;
  grid-template-columns: 124px 1fr;
  padding: 12px 28px;
  border-bottom: 1px solid var(--rule-hairline);
  font-size: 0.84rem;
  gap: 12px;
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-row dt {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-muted);
}

.sku-card__footer {
  padding: 24px 28px;
}

/* ==========================================================================
   TELEMETRY CONSOLE & ANIMATED DATAFLOW PIPELINE (FOR STACK.HTML)
   ========================================================================== */
.telemetry-console {
  background-color: var(--bg-obsidian);
  color: #F8FAFC;
  border: 1.5px solid var(--ink-primary);
  font-family: var(--font-mono);
  margin-top: 40px;
}

.console-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  background-color: var(--bg-obsidian-panel);
  border-bottom: 1px solid var(--rule-dark);
  font-size: 0.74rem;
}

.console-header__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.console-led {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.console-badge {
  padding: 3px 10px;
  background-color: var(--accent-emerald-soft);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.4);
  font-size: 0.7rem;
}

.console-controls {
  padding: 22px;
  border-bottom: 1px solid var(--rule-dark);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.control-label {
  display: block;
  font-size: 0.72rem;
  color: #94A3B8;
  margin-bottom: 8px;
}

.segmented-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
}

.seg-btn {
  background-color: var(--bg-obsidian-panel);
  color: #CBD5E1;
  border: 1px solid var(--rule-dark);
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  cursor: pointer;
  transition: all var(--dur-micro) var(--ease-snappy);
}

.seg-btn:hover {
  border-color: #64748B;
  color: #FFFFFF;
}

.seg-btn.active {
  background-color: var(--accent-signal);
  border-color: var(--accent-signal);
  color: #FFFFFF;
  font-weight: 600;
}

.telemetry-readout {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--rule-dark);
}

.readout-cell {
  padding: 22px;
  border-right: 1px solid var(--rule-dark);
}

.readout-cell:last-child {
  border-right: none;
}

.readout-label {
  display: block;
  font-size: 0.7rem;
  color: #94A3B8;
  margin-bottom: 6px;
}

.readout-value-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.readout-value {
  font-size: 1.85rem;
  font-weight: 700;
  color: #FFFFFF;
  font-variant-numeric: tabular-nums;
}

.readout-unit {
  font-size: 0.76rem;
  color: var(--accent-emerald);
}

.readout-sub {
  display: block;
  font-size: 0.7rem;
  color: #94A3B8;
  margin-top: 6px;
}

.meter-bar {
  height: 6px;
  background-color: #1E293B;
  margin-top: 10px;
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  background-color: var(--accent-emerald);
  transition: width 260ms var(--ease-snappy);
}

.console-terminal {
  background-color: #05070B;
  padding: 18px 22px;
  border-bottom: 1px solid var(--rule-dark);
}

.terminal-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.72rem;
  color: #64748B;
  margin-bottom: 10px;
}

.terminal-accuracy {
  color: var(--accent-emerald);
  font-weight: 600;
}

.terminal-code {
  font-size: 0.76rem;
  line-height: 1.65;
  color: #E2E8F0;
  overflow-x: auto;
  white-space: pre-wrap;
}

.console-footer {
  padding: 16px 22px;
  background-color: var(--bg-obsidian-panel);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
}

.console-footer__info {
  display: flex;
  gap: 20px;
  color: #CBD5E1;
}

.console-action-link {
  color: var(--accent-signal);
  font-weight: 600;
  text-decoration: none;
}

/* TCO / BOM CALCULATOR WITH ANIMATED BARS */
.tco-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: center;
  background-color: var(--bg-surface);
  border: 1.5px solid var(--ink-primary);
  padding: 44px;
  margin-top: 40px;
}

.slider-box {
  margin-top: 28px;
  padding: 24px;
  background-color: var(--bg-canvas);
  border: 1px solid var(--rule-hairline);
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
}

.slider-readout {
  font-size: 1.35rem;
  color: var(--accent-signal);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent-signal);
  cursor: pointer;
}

.slider-ticks {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
  margin-top: 10px;
}

.tco-comparison {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tco-row {
  padding: 18px 22px;
  border: 1px solid var(--rule-hairline);
}

.tco-row__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}

.tco-bar-track {
  height: 8px;
  background-color: #E2E8F0;
  overflow: hidden;
  margin-top: 8px;
}

.tco-bar-fill {
  height: 100%;
  transition: width 280ms var(--ease-snappy);
}

.tco-bar-fill--orin {
  background-color: #64748B;
  width: 100%;
}

.tco-bar-fill--ark {
  background-color: var(--accent-signal);
  width: 33%;
}

.tco-row--inferark {
  background-color: var(--accent-signal-soft);
  border-color: var(--accent-signal);
}

.tco-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
}

.tco-sub {
  font-size: 0.8rem;
  color: var(--ink-secondary);
}

.tco-amount {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 700;
}

.tco-savings-banner {
  background-color: var(--bg-obsidian);
  color: #FFFFFF;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.savings-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #94A3B8;
}

.savings-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-emerald);
}

/* ==========================================================================
   BENCHMARK INTAKE & QA TIMELINE (FOR BENCHMARK.HTML)
   ========================================================================== */
.intake-wrapper {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 52px;
  align-items: start;
}

.engineer-card {
  margin: 28px 0;
  padding: 24px;
  background-color: var(--bg-surface);
  border: 1px solid var(--rule-hairline);
}

.engineer-card__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}

.engineer-avatar {
  width: 48px;
  height: 48px;
  background-color: var(--ink-primary);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.engineer-name {
  font-weight: 700;
  font-size: 1.08rem;
}

.engineer-role {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-muted);
}

.engineer-bio {
  font-size: 0.9rem;
  color: var(--ink-secondary);
  margin-bottom: 16px;
}

.engineer-contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.contact-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 5px 12px;
  background-color: var(--bg-canvas);
  border: 1px solid var(--rule-hairline);
  color: var(--ink-primary);
  text-decoration: none;
}

.deliverables-checklist {
  background-color: var(--bg-surface);
  border: 1px solid var(--rule-hairline);
  padding: 24px;
}

.deliverables-title {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.deliverables-checklist ul {
  padding-left: 18px;
  font-size: 0.9rem;
  color: var(--ink-secondary);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.intake-form {
  background-color: var(--bg-surface);
  border: 1.5px solid var(--ink-primary);
}

.form-header {
  background-color: var(--ink-primary);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
}

.form-status {
  color: var(--accent-emerald);
}

.form-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 11px 14px;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  border: 1px solid var(--rule-hairline);
  background-color: var(--bg-canvas);
  color: var(--ink-primary);
  transition: border-color var(--dur-micro) var(--ease-snappy),
              background-color var(--dur-micro) var(--ease-snappy);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  background-color: #FFFFFF;
  border-color: var(--ink-primary);
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.form-feedback {
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background-color: #ECFDF5;
  border: 1px solid var(--accent-emerald);
  color: #065F46;
}

/* FOOTER */
.site-footer {
  background-color: var(--bg-obsidian);
  color: #CBD5E1;
  padding: 56px 0;
  font-size: 0.86rem;
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 36px;
  flex-wrap: wrap;
}

.site-footer .brand-name {
  color: #FFFFFF;
}

.footer-note {
  max-width: 50ch;
  color: #94A3B8;
  margin-top: 12px;
  font-size: 0.82rem;
}

.footer-col--right {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #E2E8F0;
  text-decoration: none;
}

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

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #64748B;
  margin-top: 18px;
}

/* RESPONSIVE */
@media (max-width: 1080px) {
  .hero-oxide__grid,
  .compare-stage,
  .xray-showcase,
  .portal-grid,
  .sku-grid,
  .tco-layout,
  .intake-wrapper {
    grid-template-columns: 1fr;
  }

  .xray-stage {
    border-right: none;
    border-bottom: 1px solid var(--rule-dark);
  }

  .telemetry-readout,
  .console-controls {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .site-header__inner {
    height: auto;
    padding: 14px 0;
    flex-wrap: wrap;
  }

  .main-nav {
    width: 100%;
    overflow-x: auto;
  }

  .hero-kpi-strip,
  .visualizer-hud,
  .telemetry-readout,
  .console-controls,
  .form-row-2 {
    grid-template-columns: 1fr;
  }

  .stage-section {
    padding: 72px 0;
  }

  .footer-col--right {
    align-items: flex-start;
  }
}

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