/* ═══════════════════════════════════════════════════════════════
   ALBOWA — Design System & Landing Page Styles
   Premium light-mode interface with clean whites & subtle accents
   ═══════════════════════════════════════════════════════════════ */

/* Google Fonts are preconnected and linked in HTML <head> for zero-render-blocking navigation */

/* ─── Design Tokens ────────────────────────────────────────── */
:root {
  /* Palette — Light */
  --color-bg: #FFFFFF;
  --color-bg-surface: #F8F9FB;
  --color-bg-card: #FFFFFF;
  --color-bg-elevated: #F1F3F7;
  --color-border: rgba(0, 0, 0, 0.07);
  --color-border-hover: rgba(0, 0, 0, 0.13);

  --color-text-primary: #0F1729;
  --color-text-secondary: #4B5563;
  --color-text-muted: #9CA3AF;

  --color-accent: #2563EB;
  --color-accent-alt: #7C3AED;
  --color-accent-warm: #EC4899;
  --color-glow-blue: rgba(37, 99, 235, 0.08);
  --color-glow-purple: rgba(124, 58, 237, 0.08);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-logo: 'Syncopate', 'Space Grotesk', -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  --font-size-hero: clamp(3rem, 6vw, 5.5rem);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Radii */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --duration-glacial: 800ms;

  /* Z-index scale */
  --z-base: 0;
  --z-callout: 10;
  --z-nav: 100;
  --z-overlay: 200;
}

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

html {
  scroll-behavior: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
  overflow-x: clip;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: clip;
  min-height: 100vh;
}

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


video,
canvas {
  display: block;
  max-width: 100%;
}

/* ─── Utility ────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* ─── Navbar ─────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--space-lg) 0;
  transition: background var(--duration-normal) var(--ease-out-quart),
    box-shadow var(--duration-normal) var(--ease-out-quart),
    padding var(--duration-normal) var(--ease-out-quart);
}

.navbar.is-scrolled {
  padding: var(--space-md) 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 var(--color-border);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__brand {
  font-family: var(--font-logo);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  display: inline-flex;
  align-items: center;
  position: relative;
  transition: opacity var(--duration-fast);
}

.navbar__brand:hover {
  opacity: 0.9;
}

.navbar__brand::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-alt));
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out-expo);
  pointer-events: none;
}

.navbar__brand:hover::after {
  transform: scaleX(1);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  list-style: none;
}

.navbar__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color var(--duration-fast) var(--ease-out-quart);
  position: relative;
  display: inline-flex;
  align-items: center;
}

.navbar__link:hover {
  color: var(--color-text-primary);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-alt));
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out-expo);
  pointer-events: none;
}

.navbar__link:hover::after,
.navbar__link.is-active::after {
  transform: scaleX(1);
}

.navbar__cta {
  font-size: var(--font-size-sm);
  font-weight: 600;
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  letter-spacing: 0.03em;
  transition: all var(--duration-normal) var(--ease-out-expo);
  cursor: pointer;
  background: transparent;
}

.navbar__cta:hover {
  background: var(--color-accent);
  color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.25);
}

/* Desktop: hide mobile elements securely */
.navbar__mobile-toggle,
.navbar__mobile-drawer,
.navbar__mobile-backdrop {
  display: none;
}

/* ─── Hero Section ───────────────────────────────────────────── */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-bg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 180px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.7) 40%, var(--color-bg) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero__ripple {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.75;
}

.section__ripple {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.75;
}

.hero__bg-glow {
  position: absolute;
  width: 1000px;
  height: 1000px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(255, 255, 255, 1) 0%, transparent 100%);
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}

.hero__bg-glow--cyan {
  top: -300px;
  right: -200px;
  background: radial-gradient(closest-side, var(--color-accent) 0%, transparent 100%);
  opacity: 0.15;
}

.hero__bg-glow--purple {
  bottom: -300px;
  left: -200px;
  background: radial-gradient(closest-side, var(--color-accent-alt) 0%, transparent 100%);
  opacity: 0.15;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 var(--space-xl);
}

.hero__title {
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  opacity: 1;
  transform: none;
}

.hero__subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  max-width: 480px;
  margin: 0 auto 26px;
  line-height: 1.6;
  opacity: 1;
  transform: none;
}

/* ─── Hero Action Buttons ───────────────────────────────────── */
.hero__actions {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  opacity: 1;
  transform: none;
}

.hero__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-out-quart);
}

.hero__btn--primary {
  background: var(--color-text-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.1);
}

.hero__btn--primary:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.25);
  color: #FFFFFF;
}

.hero__btn-icon {
  width: 14px;
  height: 14px;
  display: inline-block;
}

.hero__btn--secondary {
  background: #FFFFFF;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.hero__btn--secondary:hover {
  border-color: rgba(0, 0, 0, 0.16);
  background: var(--color-bg-surface);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

/* ─── Anchored Scroll Hint ─────────────────────────────────── */

.hero__scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {

  0%,
  100% {
    opacity: 0.3;
    transform: scaleY(0.6);
  }

  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

/* ─── Video Explosion Section (Native CSS Sticky Pinning) ──── */
.explosion {
  position: relative;
  height: 700vh;
  background: var(--color-bg);
}

.explosion::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 160px;
  background: linear-gradient(180deg, rgba(248, 249, 251, 0.3) 0%, transparent 100%);
  pointer-events: none;
  z-index: 1;
}

.explosion::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to bottom, transparent 0%, rgba(248, 249, 251, 0.5) 100%);
  pointer-events: none;
  z-index: 1;
}

/* ─── Centered Stage: Progress on Left, Video in Center, Notes on Right ── */

/* 1. Left Progress Indicator (Vertically centered alongside stage) */

/* Soft inner vignette inside the bordered canvas */

/*
 * ScrollyVideo's injected wrapper — fill the bordered canvas.
 */

/* 3. Right-Hand Technical Inspection Panel (Exact same height and container styling as video frame) */

/* ─── Truncated Out-of-Focus Title Nav Items ────────────────── */

.notes-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px 8px 14px;
  background: #F8FAFC;
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: 10px;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.notes-nav-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-accent);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 0 2px 2px 0;
}

.notes-nav-item:hover {
  background: #F1F5F9;
  border-color: rgba(0, 0, 0, 0.08);
}

.notes-nav-item.is-active {
  background: rgba(37, 99, 235, 0.06);
  border-color: rgba(37, 99, 235, 0.3);
}

.notes-nav-item.is-active::before {
  transform: scaleY(1);
}

/* ─── Dedicated Morphing Shell for Focused Inspection Note ── */

/* Subtle top laser scanline / telemetry indicator */

.focused-note {
  grid-area: 1 / 1;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  will-change: transform, opacity;
}

.focused-note.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.focused-note__tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.focused-note__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 3px 0 0 0;
}

.focused-note__desc {
  font-size: 12.5px;
  color: #475569;
  line-height: 1.5;
  margin: 0;
  flex: 1;
  display: flex;
  align-items: center;
}

.spec-pill {
  font-size: 10.5px;
  font-weight: 600;
  color: #334155;
  background: #F1F5F9;
  border: 1px solid rgba(203, 213, 225, 0.85);
  padding: 2.5px 8px;
  border-radius: 5px;
  letter-spacing: 0.02em;
}

/* Responsive adjustments */

/* ─── Features Section ───────────────────────────────────────── */
.features {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 70px 0 40px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-bg) 0%, rgba(248, 249, 251, 0.6) 120px, var(--color-bg-surface) 240px);
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  box-sizing: border-box;
}

.features--secondary {
  background: linear-gradient(180deg, var(--color-bg-surface) 0%, rgba(248, 249, 251, 0.7) 120px, var(--color-bg-surface) 240px);
  border-top: 1px solid rgba(0, 0, 0, 0.03);
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 200px;
  background: radial-gradient(ellipse at top, rgba(37, 99, 235, 0.03) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.features .container {
  position: relative;
  z-index: 1;
}

.features__header {
  text-align: center;
  margin-bottom: 28px;
}

.features__eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.features__title {
  font-size: clamp(1.8rem, 2.6vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.features__subtitle {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.5;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  --glow-angle: 165deg;
  --cyan-pos: 90% 10%;
  --purple-pos: 10% 90%;
  --reflect-x: 50%;
  --reflect-y: 50%;
  --reflect-opacity: 0;
  position: relative;
  background:
    radial-gradient(ellipse 260px 180px at var(--cyan-pos), rgba(37, 99, 235, 0.02) 0%, transparent 70%),
    radial-gradient(ellipse 260px 180px at var(--purple-pos), rgba(124, 58, 237, 0.015) 0%, transparent 70%),
    linear-gradient(var(--glow-angle), #FFFFFF 0%, rgba(255, 255, 255, 0.96) 55%, rgba(248, 250, 254, 0.35) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 28px 24px 26px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
  transition: border-color var(--duration-normal) var(--ease-out-quart),
    transform var(--duration-normal) var(--ease-out-quart),
    box-shadow var(--duration-normal) var(--ease-out-quart);
}

.feature-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(37, 99, 235, 0.04), 0 3px 10px rgba(0, 0, 0, 0.02);
}

/* Ambient Diffuse Reflective Surface — reactive directional lighting */
.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 1;
  background:
    radial-gradient(ellipse 340px 240px at var(--reflect-x, 50%) var(--reflect-y, 50%), rgba(255, 255, 255, 0.45) 0%, rgba(37, 99, 235, 0.022) 45%, transparent 72%),
    radial-gradient(ellipse 280px 200px at var(--cyan-pos, 90% 10%), rgba(37, 99, 235, 0.025) 0%, transparent 68%),
    radial-gradient(ellipse 280px 200px at var(--purple-pos, 10% 90%), rgba(124, 58, 237, 0.016) 0%, transparent 68%),
    linear-gradient(var(--glow-angle, 165deg), rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0.88) 55%, rgba(248, 250, 254, 0.35) 100%);
  opacity: var(--reflect-opacity, 0);
  will-change: opacity;
}

/* Organic Randomized Lighting Orientations for Feature Cards */
.feature-card:nth-child(1) {
  --glow-angle: 140deg;
  --cyan-pos: 88% 12%;
  --purple-pos: 12% 88%;
}

.feature-card:nth-child(2) {
  --glow-angle: 215deg;
  --cyan-pos: 16% 18%;
  --purple-pos: 84% 82%;
}

.feature-card:nth-child(3) {
  --glow-angle: 125deg;
  --cyan-pos: 50% 8%;
  --purple-pos: 20% 92%;
}

.feature-card:nth-child(4) {
  --glow-angle: 175deg;
  --cyan-pos: 12% 78%;
  --purple-pos: 88% 22%;
}

.feature-card:nth-child(5) {
  --glow-angle: 105deg;
  --cyan-pos: 82% 88%;
  --purple-pos: 18% 12%;
}

.feature-card:nth-child(6) {
  --glow-angle: 230deg;
  --cyan-pos: 85% 15%;
  --purple-pos: 40% 90%;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out-quart);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card__glow {
  position: absolute;
  top: -120px;
  right: -120px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(closest-side, var(--color-glow-blue) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out-quart);
  pointer-events: none;
}

.feature-card:hover .feature-card__glow {
  opacity: 1;
}

.feature-card__icon {
  position: relative;
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: rgba(37, 99, 235, 0.05);
  border: 1px solid rgba(37, 99, 235, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-accent);
  transition: all 0.3s ease;
}

.feature-card:hover .feature-card__icon {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.25);
  transform: scale(1.05);
}

.feature-icon-svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-accent);
  display: block;
}

.feature-card__title {
  position: relative;
  z-index: 2;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.feature-card__desc {
  position: relative;
  z-index: 2;
  font-size: 0.86rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}


/* ─── Specs Section ──────────────────────────────────────────── */
.specs {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 70px 0 30px;
  background: linear-gradient(180deg, var(--color-bg-surface) 0%, rgba(248, 249, 251, 0.6) 120px, var(--color-bg) 260px);
  overflow: hidden;
  box-sizing: border-box;
}

/* Feathered Light-Bridge Divider (Seamless replacement for the 1px cut line) */
.specs::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(640px, 80%);
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.04) 20%, rgba(37, 99, 235, 0.22) 50%, rgba(0, 0, 0, 0.04) 80%, transparent 100%);
  z-index: 1;
}

/* Atmospheric Soft Ambient Bloom */
.specs::after {
  content: '';
  position: absolute;
  top: -50px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 140px;
  background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.035) 0%, rgba(124, 58, 237, 0.015) 45%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.specs .container {
  position: relative;
  z-index: 2;
}

.spec-item {
  --glow-angle: 165deg;
  --cyan-pos: 90% 15%;
  --purple-pos: 10% 85%;
  position: relative;
  background:
    radial-gradient(ellipse 200px 140px at var(--cyan-pos), rgba(37, 99, 235, 0.02) 0%, transparent 70%),
    radial-gradient(ellipse 200px 140px at var(--purple-pos), rgba(124, 58, 237, 0.015) 0%, transparent 70%),
    linear-gradient(var(--glow-angle), #FFFFFF 0%, rgba(255, 255, 255, 0.96) 55%, rgba(248, 250, 254, 0.35) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 24px 20px 22px;
  text-align: center;
  overflow: hidden;
  opacity: 0;
  transform: translateY(24px);
  transition: border-color var(--duration-normal) var(--ease-out-quart),
    background var(--duration-normal) var(--ease-out-quart),
    transform var(--duration-normal) var(--ease-out-quart),
    box-shadow var(--duration-normal) var(--ease-out-quart);
}

.spec-item:hover {
  border-color: var(--color-border-hover);
  background:
    radial-gradient(ellipse 220px 160px at var(--cyan-pos), rgba(37, 99, 235, 0.038) 0%, transparent 70%),
    radial-gradient(ellipse 220px 160px at var(--purple-pos), rgba(124, 58, 237, 0.028) 0%, transparent 70%),
    linear-gradient(var(--glow-angle), #FFFFFF 0%, rgba(255, 255, 255, 0.98) 55%, rgba(248, 250, 254, 0.5) 100%);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(37, 99, 235, 0.04), 0 2px 8px rgba(0, 0, 0, 0.02);
}

/* Organic Randomized Lighting Orientations for Spec Cards */
.spec-item:nth-child(1) {
  --glow-angle: 145deg;
  --cyan-pos: 15% 18%;
  --purple-pos: 85% 82%;
}

.spec-item:nth-child(2) {
  --glow-angle: 195deg;
  --cyan-pos: 85% 15%;
  --purple-pos: 15% 85%;
}

.spec-item:nth-child(3) {
  --glow-angle: 115deg;
  --cyan-pos: 78% 85%;
  --purple-pos: 22% 15%;
}

.spec-item:nth-child(4) {
  --glow-angle: 225deg;
  --cyan-pos: 18% 82%;
  --purple-pos: 82% 18%;
}


/* ─── CTA Section ────────────────────────────────────────────── */
.cta {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  text-align: center;
  background: var(--color-bg);
  box-sizing: border-box;
}

.cta-content-wrapper {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  position: relative;
  z-index: 1;
}

.cta .container {
  position: relative;
  z-index: 1;
}

.cta__inner {
  position: relative;
  background:
    radial-gradient(ellipse 500px 300px at 85% 15%, rgba(37, 99, 235, 0.025) 0%, transparent 70%),
    radial-gradient(ellipse 500px 300px at 15% 85%, rgba(124, 58, 237, 0.02) 0%, transparent 70%),
    linear-gradient(165deg, #FFFFFF 0%, rgba(255, 255, 255, 0.96) 50%, rgba(248, 250, 254, 0.4) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: 36px 32px 34px;
  max-width: 820px;
  margin: 60px auto 0;
  overflow: hidden;
}

.cta__glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 240px;
  background: radial-gradient(ellipse, var(--color-glow-blue), transparent 70%);
  opacity: 0.6;
  pointer-events: none;
  z-index: 0;
}

.cta__eyebrow {
  position: relative;
  z-index: 2;
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.cta__title {
  position: relative;
  z-index: 2;
  font-size: clamp(1.8rem, 2.8vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.cta__desc {
  position: relative;
  z-index: 2;
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto 20px;
  line-height: 1.5;
}

.cta__button {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  padding: 0.8rem 2rem;
  border: none;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
  color: #FFFFFF;
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-out-expo),
    box-shadow var(--duration-normal) var(--ease-out-expo);
}

.cta__button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(37, 99, 235, 0.3);
}

.cta__button::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.2));
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.cta__button:hover::after {
  opacity: 1;
}

.cta__button svg {
  width: 18px;
  height: 18px;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

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


/* ─── Footer ──────────────────────────────────────────────────── */
.footer {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__brand {
  font-family: var(--font-logo);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.footer__links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
}

.footer__link {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
}

.footer__link:hover {
  color: var(--color-text-primary);
}

.footer__copy {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ─── Subtle Top Loading Indicator ────────────────────────────── */
.top-loader {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-alt));
  z-index: 99999;
  transition: width 0.25s ease-out, opacity 0.4s ease;
  pointer-events: none;
}

.top-loader.is-done {
  opacity: 0;
  pointer-events: none;
}

/* ─── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-hero: clamp(2rem, 8vw, 3rem);
  }

  /* ─── Phase 1: Mobile Layout Foundation ─── */
  html,
  body {
    min-height: 100vh;
    min-height: 100svh;
    overscroll-behavior: none;
    overscroll-behavior-y: none;
    touch-action: none;
  }

  .features,
  .specs,
  .cta {
    height: 100vh;
    height: 100svh;
    min-height: 100svh;
    max-height: 100svh;
    box-sizing: border-box;
    overflow: hidden;
  }

  .hero {
    height: 100vh;
    height: 100svh;
  }

  /* Enforce single-snap discrete paging on mobile: prevent native momentum scroll flings & keep address bar visible */
  #hero,
  #features,
  #features-2,
  #specs,
  #cta,
  #explosion {
    touch-action: none !important;
    overscroll-behavior: none !important;
  }

  .container {
    padding: 0 16px;
    /* Reduced from 32px to preserve horizontal space */
  }

  .navbar__links {
    display: none;
  }

  /* ─── Phase 2: Mobile Navigation Drawer ─── */
  .navbar__mobile-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1000;
    margin-left: 12px;
  }

  .hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: transform 0.3s ease;
    border-radius: 2px;
  }

  .navbar__mobile-toggle.is-active .hamburger-line:nth-child(1) {
    transform: translateY(3.5px) rotate(45deg);
  }

  .navbar__mobile-toggle.is-active .hamburger-line:nth-child(2) {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  /* ─── Mobile Navbar Dropdown & Backdrop ─── */
  .navbar.is-menu-open {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
  }

  .navbar__mobile-backdrop {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100svh;
    background: rgba(15, 23, 42, 0.25);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 98;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }

  .navbar__mobile-backdrop.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .navbar__mobile-drawer {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: auto;
    max-height: calc(100svh - 80px);
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 16px 36px -6px rgba(15, 23, 42, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    pointer-events: none;
    transition: transform 0.26s cubic-bezier(0.16, 1, 0.3, 1),
      opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1),
      visibility 0.26s;
  }

  .navbar__mobile-drawer.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .mobile-drawer__inner {
    padding-top: 0.75rem;
    padding-bottom: 1rem;
    display: flex;
    flex-direction: column;
  }

  .mobile-drawer__links {
    list-style: none;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 0;
    transform: none;
  }

  .mobile-drawer__links li {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  }

  .mobile-drawer__links li:last-child {
    border-bottom: none;
  }

  .mobile-drawer__link {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    padding: 0.85rem 0.2rem;
    letter-spacing: 0.01em;
    transition: color 0.15s ease, transform 0.15s ease;
  }

  .mobile-drawer__link:active {
    color: var(--color-accent);
  }

  /* Disable "Book a Survey" button on top navbar row if on mobile view */
  .navbar__cta {
    display: none !important;
  }

  .navbar__mobile-toggle {
    margin-left: auto;
  }

  /* ─── Mobile Features Sections (100svh Scaled Snap Fit) ─── */
  .features {
    height: 100vh;
    height: 100svh;
    min-height: 100svh;
    max-height: 100svh;
    overflow: hidden;
    padding-top: calc(64px + env(safe-area-inset-top, 0px) + clamp(6px, 1.5vh, 14px));
    padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px));
    background: var(--color-bg);
    border-top: 1px solid rgba(0, 0, 0, 0.04);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .features--secondary {
    background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
  }

  .features .container {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: clamp(12px, 2.2vh, 22px);
    padding: 0 16px;
    box-sizing: border-box;
    min-height: 0;
    margin: auto 0;
  }

  .features__header {
    text-align: center;
    margin-top: 0;
    margin-bottom: 0;
    flex-shrink: 0;
    width: 100%;
  }

  .features__eyebrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #2563EB;
    background: rgba(37, 99, 235, 0.07);
    border: 1px solid rgba(37, 99, 235, 0.14);
    padding: 3px 10px;
    border-radius: 9999px;
    margin-bottom: 5px;
    line-height: 1.2;
  }

  .features__title {
    font-size: clamp(1.45rem, 5.2vw, 1.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #0F172A;
    margin-bottom: 3px;
    line-height: 1.15;
  }

  .features__subtitle {
    font-size: clamp(0.78rem, 2.8vw, 0.84rem);
    line-height: 1.38;
    color: #64748B;
    max-width: 320px;
    margin: 0 auto;
  }

  .features__grid {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    gap: clamp(9px, 1.5vh, 13px);
    min-height: 0;
    margin: 0;
    width: 100%;
    max-width: 100%;
  }

  .feature-card {
    flex: 0 0 auto;
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    column-gap: 12px;
    row-gap: 4px;
    align-content: center;
    padding: clamp(12px, 1.8vh, 16px) clamp(14px, 3.5vw, 18px);
    border-radius: 16px;
    background: #FFFFFF;
    border: 1.5px solid rgba(15, 23, 42, 0.12);
    box-shadow: 0 3px 12px -2px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.04);
    box-sizing: border-box;
    overflow: hidden;
    opacity: 1;
    transform: none;
  }

  .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 5%, rgba(37, 99, 235, 0.35) 50%, transparent 95%);
    pointer-events: none;
  }

  .feature-card__glow {
    display: none;
  }

  .feature-card__icon {
    grid-row: 1;
    grid-column: 1;
    align-self: center;
    width: 32px;
    height: 32px;
    min-width: 32px;
    min-height: 32px;
    border-radius: 9px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(56, 189, 248, 0.07) 100%);
    border: 1px solid rgba(37, 99, 235, 0.18);
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.10);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
  }

  .feature-icon-svg {
    width: 17px;
    height: 17px;
    stroke: #2563EB;
    stroke-width: 2;
    display: block;
  }

  .feature-card__title {
    grid-row: 1;
    grid-column: 2;
    margin: 0;
    font-size: clamp(0.95rem, 3.6vw, 1.05rem);
    font-weight: 750;
    letter-spacing: -0.02em;
    color: #0F172A;
    line-height: 1.25;
    align-self: center;
  }

  .feature-card__desc {
    grid-row: 2;
    grid-column: 1 / -1;
    margin: 0;
    font-size: clamp(0.78rem, 2.9vw, 0.84rem);
    line-height: 1.44;
    color: #334155;
    letter-spacing: -0.005em;
    margin-top: 4px;
  }

  /* ─── Specs Section Mobile (100svh Scaled Snap Fit) ─── */
  .specs {
    height: 100vh;
    height: 100svh;
    min-height: 100svh;
    max-height: 100svh;
    overflow: hidden;
    padding-top: calc(64px + env(safe-area-inset-top, 0px) + clamp(6px, 1.5vh, 14px));
    padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px));
    background: #FFFFFF;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .specs .container {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: clamp(12px, 2.2vh, 22px);
    padding: 0 16px;
    box-sizing: border-box;
    min-height: 0;
    margin: auto 0;
  }

  .spec-item {
    flex: 0 0 auto;
    padding: clamp(12px, 1.8vh, 16px) clamp(8px, 2vw, 12px);
    border-radius: 16px;
    background: #FFFFFF;
    border: 1.5px solid rgba(15, 23, 42, 0.12);
    box-shadow: 0 3px 12px -2px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.04);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    box-sizing: border-box;
    opacity: 1;
    transform: none;
  }

  /* ─── Phase 4: Mobile Inspection HUD (Stage Redesign) ─── */

  .notes-nav-item {
    flex-shrink: 0;
    scroll-snap-align: center;
    padding: 10px 14px;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  /* Change the active indicator from left-vertical to bottom-horizontal */
  .notes-nav-item::before {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    width: 100%;
    transform: scaleX(0);
    transform-origin: center;
    border-radius: 2px 2px 0 0;
  }

  .notes-nav-item.is-active::before {
    transform: scaleX(1);
  }

  .focused-note {
    grid-area: 1 / 1;
    padding: clamp(13px, 1.8vh, 16px) clamp(14px, 3.5vw, 18px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 6px;
    box-sizing: border-box;
    height: 100%;
    background: transparent;
  }

  .focused-note__tag {
    font-size: 0.7em;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--color-accent);
    text-transform: uppercase;
    display: block;
    line-height: 1.2;
  }

  .focused-note__title {
    font-size: 1em;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 2px 0 0 0;
    line-height: 1.25;
    margin-top: 0.7em;
  }

  .focused-note__desc {
    font-size: 0.9em;
    color: #475569;
    line-height: 1.45;
    margin: 0;
    flex: 1;
    display: flex;
    align-items: center;
  }

  .spec-pill {
    font-size: 10.5px;
    font-weight: 600;
    color: #334155;
    background: #F1F5F9;
    border: 1px solid rgba(203, 213, 225, 0.85);
    padding: 3px 8px;
    border-radius: 6px;
    letter-spacing: 0.02em;
    white-space: nowrap;
  }

  /* ─── Phase 3: Hero Section Mobile Polish ─── */
  .hero__subtitle {
    font-size: 0.95rem;
    padding: 0 10px;
    margin-bottom: 20px;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
    gap: 12px;
  }

  .hero__btn {
    width: 100%;
    justify-content: center;
  }

  /* ─── CTA & Footer Mobile (100svh Scaled Snap Fit) ─── */
  .cta {
    height: 100vh;
    height: 100svh;
    min-height: 100svh;
    max-height: 100svh;
    overflow: hidden;
    padding-top: calc(76px + env(safe-area-inset-top, 0px) + clamp(18px, 3vh, 28px));
    padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
    background: var(--color-bg);
    border-top: 1px solid rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-sizing: border-box;
  }

  .cta-content-wrapper {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    padding: 0 16px;
    box-sizing: border-box;
  }

  .cta__inner {
    padding: clamp(18px, 3vh, 26px) 18px;
    border-radius: 22px;
    margin: 0 auto;
    max-width: 100%;
    background:
      radial-gradient(ellipse 400px 240px at 85% 15%, rgba(37, 99, 235, 0.05) 0%, transparent 70%),
      linear-gradient(165deg, #FFFFFF 0%, rgba(248, 250, 254, 0.95) 100%);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow:
      0 12px 36px -10px rgba(37, 99, 235, 0.12),
      0 3px 12px rgba(0, 0, 0, 0.03);
    text-align: center;
    box-sizing: border-box;
  }

  .cta__eyebrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #2563EB;
    background: rgba(37, 99, 235, 0.07);
    border: 1px solid rgba(37, 99, 235, 0.14);
    padding: 3px 10px;
    border-radius: 9999px;
    margin-bottom: 6px;
    line-height: 1.2;
  }

  .cta__title {
    font-size: clamp(1.4rem, 5.2vw, 1.7rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #0F172A;
    line-height: 1.18;
    margin: 0 0 8px 0;
  }

  .cta__desc {
    font-size: 0.82rem;
    line-height: 1.42;
    color: #475569;
    max-width: 310px;
    margin: 0 auto 16px;
  }

  .cta__button {
    padding: 11px 22px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 9999px;
    width: 100%;
    max-width: 270px;
    margin: 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #2563EB;
    color: #FFFFFF;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
    border: none;
    cursor: pointer;
  }

  .footer {
    padding: 8px 16px calc(6px + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    background: #FFFFFF;
    box-sizing: border-box;
    flex-shrink: 0;
  }

  .footer__inner {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
  }

  .footer__brand {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
    color: #0F172A;
  }

  .footer__links {
    display: flex;
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .footer__link {
    font-size: 10.5px;
    color: #64748B;
    text-decoration: none;
  }

  .footer__copy {
    font-size: 9.5px;
    color: #94A3B8;
    width: 100%;
    text-align: center;
    margin-top: 2px;
  }
}

/* ═══════════════════════════════════════════════════════════════
   STANDALONE SUBPAGES (Technology, Specs, Contact)
   Consistent design system tokens, typography, and glowing aesthetics
   ═══════════════════════════════════════════════════════════════ */

body.page-standalone {
  overflow-x: hidden;
  overflow-y: auto;
}

body.page-standalone .page-hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(80px + var(--space-xl)) var(--space-lg) calc(var(--space-3xl) + 20px);
  text-align: center;
  background: var(--color-bg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  overflow: hidden;
  box-sizing: border-box;
}

body.page-standalone .page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 140px;
  background: linear-gradient(to bottom, transparent, var(--color-bg));
  pointer-events: none;
}

body.page-standalone .page-hero__content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  margin: auto 0;
  padding: 0 var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

body.page-standalone .page-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid rgba(37, 99, 235, 0.12);
}

body.page-standalone .page-hero__title {
  font-size: clamp(2.6rem, 5.2vw, 4.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

body.page-standalone .page-hero__title-gradient {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-alt) 50%, var(--color-accent-warm) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

body.page-standalone .page-hero__subtitle {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.65;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin: 0 auto var(--space-xl);
}

body.page-standalone .page-hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.page-hero__scroll-hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--color-text-muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  z-index: 2;
  cursor: pointer;
  opacity: 0.8;
  text-decoration: none;
  transition: opacity var(--duration-fast), color var(--duration-fast);
}

.page-hero__scroll-hint:hover {
  opacity: 1;
  color: var(--color-accent);
}

/* ─── 1. Technology Hero: Acoustic Sonar & Waveform System ─── */
.page-hero--tech {
  background: radial-gradient(circle at 50% 45%, rgba(6, 182, 212, 0.05) 0%, var(--color-bg) 70%);
}

.page-hero--tech .page-hero__title-gradient {
  background: linear-gradient(135deg, #0284C7 0%, #2563EB 55%, #06B6D4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── 1. Technology Hero: Silicon NPU & Live Acoustic Telemetry Background ─── */
.tech-circuit-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 860px;
  height: 540px;
  max-width: 95vw;
  max-height: 85vh;
  pointer-events: none;
  z-index: 1;
  opacity: 0.34;
}

.circuit-trace {
  stroke: rgba(6, 182, 212, 0.15);
  stroke-width: 1;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.circuit-trace--dim {
  stroke: rgba(148, 163, 184, 0.08);
  stroke-width: 0.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.circuit-flow {
  stroke-dasharray: 4 28;
  animation: circuitPulseFlow 24s linear infinite;
}

.circuit-flow--reverse {
  stroke-dasharray: 4 28;
  animation: circuitPulseFlowRev 28s linear infinite;
}

@keyframes circuitPulseFlow {
  from {
    stroke-dashoffset: 256;
  }
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes circuitPulseFlowRev {
  from {
    stroke-dashoffset: -256;
  }
  to {
    stroke-dashoffset: 0;
  }
}

.circuit-chip-carrier {
  stroke: rgba(2, 132, 199, 0.3);
  stroke-width: 1;
  fill: rgba(2, 132, 199, 0.015);
}

.circuit-silicon-die {
  stroke: rgba(37, 99, 235, 0.25);
  stroke-width: 0.9;
  fill: rgba(15, 23, 42, 0.025);
}

.circuit-screen-bg {
  fill: rgba(6, 182, 212, 0.015);
  stroke: rgba(6, 182, 212, 0.12);
  stroke-width: 0.7;
}

.circuit-via-ring {
  stroke: #06B6D4;
  stroke-width: 0.8;
  stroke-dasharray: 2 3;
  opacity: 0.35;
  animation: viaSpin 45s linear infinite;
  transform-origin: center;
}

.circuit-via-ring--blue {
  stroke: #2563EB;
  stroke-width: 0.8;
  stroke-dasharray: 2 3;
  opacity: 0.35;
  animation: viaSpinRev 50s linear infinite;
  transform-origin: center;
}

@keyframes viaSpin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes viaSpinRev {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(-360deg);
  }
}

.tech-status-dot {
  animation: techStatusPulse 2.8s ease-in-out infinite;
}

@keyframes techStatusPulse {
  0%, 100% {
    opacity: 0.35;
    transform: scale(0.95);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

.tech-waveform-main {
  stroke: #06B6D4;
  stroke-width: 1.2;
  fill: none;
  opacity: 0.72;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tech-waveform-glow {
  stroke: #2563EB;
  stroke-width: 2.2;
  fill: none;
  opacity: 0.14;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tech-spectrum-bar {
  fill: #06B6D4;
  opacity: 0.42;
}

.acoustic-waveform {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 12px;
  margin-right: 6px;
  vertical-align: middle;
}

.acoustic-bar {
  width: 2px;
  height: 100%;
  background: var(--color-accent);
  border-radius: 1px;
  transform-origin: bottom;
  animation: soundwave 1.4s ease-in-out infinite alternate;
}

.acoustic-bar:nth-child(1) {
  height: 40%;
  animation-delay: 0.1s;
}

.acoustic-bar:nth-child(2) {
  height: 80%;
  animation-delay: 0.35s;
}

.acoustic-bar:nth-child(3) {
  height: 100%;
  animation-delay: 0.05s;
}

.acoustic-bar:nth-child(4) {
  height: 60%;
  animation-delay: 0.4s;
}

.acoustic-bar:nth-child(5) {
  height: 35%;
  animation-delay: 0.2s;
}

@keyframes soundwave {
  0% {
    transform: scaleY(0.3);
  }

  100% {
    transform: scaleY(1);
  }
}

/* ─── 2. Specs Hero: Precision Telemetry & Calibration Reticle ─── */

@keyframes reticleSpin {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* ─── 3. Contact Hero: Mission Dispatch Network & Live Indicator ─── */

@keyframes signalFlow {
  from {
    stroke-dashoffset: 240;
  }

  to {
    stroke-dashoffset: 0;
  }
}

/* ═══ Standalone Subpage Subsection Snapping Architecture ═══ */
body.page-standalone {
  scroll-behavior: smooth;
}

body.page-standalone .page-hero,
body.page-standalone .features,
body.page-standalone .specs,
body.page-standalone .cta {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}

body.page-standalone .page-hero {
  padding-top: calc(76px + env(safe-area-inset-top, 0px) + 20px);
  padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px));
}

body.page-standalone .features,
body.page-standalone .specs {
  padding-top: calc(76px + env(safe-area-inset-top, 0px) + 16px);
  padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px));
}

body.page-standalone .cta {
  padding-top: calc(76px + env(safe-area-inset-top, 0px) + 16px);
  padding-bottom: 0;
  justify-content: space-between;
}

body.page-standalone #booking-section {
  min-height: 100vh;
  min-height: 100svh;
  height: 100vh;
  height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: calc(76px + env(safe-area-inset-top, 0px) + 8px);
  padding-bottom: 0;
  box-sizing: border-box;
  overflow: hidden;
}

body.page-standalone #booking-section>.container {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
  padding-top: clamp(8px, 1.5vh, 20px);
  padding-bottom: clamp(8px, 1.5vh, 20px);
}

/* Active Link Highlights */
.navbar__link.is-active {
  color: var(--color-text-primary);
}

.navbar__link.is-active::after {
  transform: scaleX(1);
}

.mobile-drawer__link.is-active {
  color: var(--color-accent);
  font-weight: 700;
}

/* Subsystems Deep Dive Grid (Technology) */
.subsystems-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: var(--space-lg);
}

.subsystem-card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 16px 20px;
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.04);
  transition: all 0.3s var(--ease-out-expo);
  display: flex;
  flex-direction: column;
}

.subsystem-card:hover {
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: 0 12px 36px -4px rgba(37, 99, 235, 0.08);
  transform: translateY(-2px);
}

.subsystem-card__header {
  margin-bottom: 6px;
}

.subsystem-card__tag {
  font-family: var(--font-family);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 4px;
  display: block;
}

.subsystem-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.subsystem-card__desc {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
  flex-grow: 1;
}

.subsystem-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* Detailed Specifications Matrix (Specs) - 3-Column Desktop Grid */

/* Pipeline Compatibility Grid */

/* Contact & Survey Booking Form */

@media (max-width: 768px) {
  /* ── Standalone Subpages Mobile Architecture ── */
  body.page-standalone {
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    touch-action: none;
  }

  /* 1. Page Hero: Proportionate, centered, safe-area padded */
  body.page-standalone .page-hero {
    min-height: calc(100vh - 64px);
    min-height: 90svh;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: calc(72px + env(safe-area-inset-top, 0px) + 12px) 16px calc(36px + env(safe-area-inset-bottom, 0px));
    box-sizing: border-box;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  body.page-standalone .page-hero__content {
    max-width: 100%;
    padding: 0 4px;
    margin: auto 0;
  }

  body.page-standalone .page-hero__eyebrow {
    font-size: 10px;
    letter-spacing: 0.18em;
    padding: 5px 12px;
    margin-bottom: 12px;
    gap: 6px;
  }

  body.page-standalone .page-hero__title {
    font-size: clamp(2.1rem, 7.6vw, 2.75rem);
    line-height: 1.12;
    letter-spacing: -0.025em;
    margin-bottom: 12px;
  }

  body.page-standalone .page-hero__subtitle {
    font-size: clamp(0.90rem, 3.8vw, 1.02rem);
    line-height: 1.55;
    margin: 0 auto 20px;
    max-width: 95%;
  }

  body.page-standalone .page-hero__actions {
    width: 100%;
    max-width: 320px;
    flex-direction: column;
    gap: 10px;
    margin: 0 auto;
  }

  body.page-standalone .page-hero__actions .hero__btn {
    width: 100%;
    height: 46px;
    font-size: 14px;
    justify-content: center;
    box-sizing: border-box;
  }

  .page-hero__scroll-hint {
    bottom: calc(10px + env(safe-area-inset-bottom, 0px));
    gap: 4px;
    font-size: 9px;
  }

  /* 2. Subpage Hero Artwork: Contained and subtle on mobile */
  .tech-circuit-bg {
    width: 94vw;
    max-width: 440px;
    height: auto;
    max-height: 48vh;
    opacity: 0.25;
  }

  /* 3. Section Flow & Elimination of Flexbox Negative-Scroll Clipping */
  body.page-standalone .features,
  body.page-standalone .specs,
  body.page-standalone .cta,
  body.page-standalone #booking-section {
    min-height: auto;
    height: auto;
    max-height: none;
    overflow: visible;
    display: block !important;
    padding-top: calc(70px + env(safe-area-inset-top, 0px) + 18px) !important;
    padding-bottom: calc(42px + env(safe-area-inset-bottom, 0px)) !important;
    scroll-margin-top: calc(70px + env(safe-area-inset-top, 0px));
    box-sizing: border-box;
  }

  body.page-standalone .cta {
    padding-bottom: 0 !important;
  }

  body.page-standalone #booking-section {
    padding-bottom: 0 !important;
  }

  body.page-standalone #booking-section > .container {
    display: block !important;
    padding: 0 16px !important;
    margin-bottom: 24px !important;
    flex: none !important;
    min-height: auto !important;
  }

  /* 4. Section Headers on Mobile (Subpages) */
  
  body.page-standalone .features__header {
    margin-bottom: 18px;
    text-align: center;
  }

  
  body.page-standalone .features__eyebrow {
    font-size: 10.5px;
    letter-spacing: 0.16em;
    margin-bottom: 6px;
  }

  
  body.page-standalone .features__title {
    font-size: clamp(1.55rem, 5.2vw, 1.95rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 6px;
  }

  
  body.page-standalone .features__subtitle {
    font-size: 0.86rem;
    line-height: 1.5;
    max-width: 92%;
    margin: 0 auto;
  }

  /* 5. KPI Benchmarks Grid on Specs (Subpages) */

  body.page-standalone .spec-item {
    padding: 14px 10px;
    border-radius: var(--radius-lg);
  }

  /* 6. Specs Matrix on Specs */

  /* 7. Pipeline Compatibility on Specs */

  /* 8. Subsystems Deep Dive on Technology */
  .subsystems-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 14px;
  }

  .subsystem-card {
    padding: 16px;
    border-radius: var(--radius-lg);
  }

  .subsystem-card__title {
    font-size: 1.05rem;
  }

  .subsystem-card__desc {
    font-size: 0.84rem;
    line-height: 1.48;
    margin-bottom: 8px;
  }

  .subsystem-card__specs {
    gap: 5px;
  }

  .spec-pill {
    font-size: 10px;
    padding: 3px 8px;
  }

  /* 9. Feature Cards on Technology (Subpages) */
  body.page-standalone .features__grid {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 14px;
  }

  body.page-standalone .feature-card {
    padding: 18px 16px;
    border-radius: var(--radius-lg);
  }

  /* 10. Contact Section & Survey Form */

  /* 11. CTA Cards on Mobile */

  .cta__title {
    font-size: clamp(1.42rem, 5vw, 1.85rem) !important;
    line-height: 1.2 !important;
    margin-bottom: 8px !important;
  }
}

/* ═══════════════════════════════════════════════════════════════
   Native View Transitions: Simple Cross-Page Morph Architecture
   ═══════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: no-preference) {
  @view-transition {
    navigation: auto;
  }
}

/* 1. Structural Landmarks: Fixed across all routes with zero flicker */
.navbar {
  view-transition-name: site-navbar;
}

.navbar__brand {
  view-transition-name: site-brand;
}

/* 2. Hero Semantic Landmarks: Morph smoothly between active page hero titles */
.hero__eyebrow,
.page-hero__eyebrow {
  view-transition-name: hero-eyebrow;
}

.hero__title,
.page-hero__title {
  view-transition-name: hero-title;
}

.hero__subtitle,
.page-hero__subtitle {
  view-transition-name: hero-subtitle;
}

.hero__actions,
.page-hero__actions {
  view-transition-name: hero-actions;
}

/* 3. Morph Group Timing & Curves */
::view-transition-group(site-navbar),
::view-transition-group(site-brand) {
  animation-duration: 240ms;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
}

::view-transition-group(hero-eyebrow),
::view-transition-group(hero-title),
::view-transition-group(hero-subtitle),
::view-transition-group(hero-actions) {
  animation-duration: 320ms;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

/* 4. Overall Root View Morph (Clean, High-Fidelity Cross-Morph) */
::view-transition-old(root) {
  animation: 200ms cubic-bezier(0.4, 0, 0.2, 1) both nativePageMorphOut;
}

::view-transition-new(root) {
  animation: 260ms cubic-bezier(0.16, 1, 0.3, 1) both nativePageMorphIn;
}

@keyframes nativePageMorphOut {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(-4px) scale(0.998);
  }
}

@keyframes nativePageMorphIn {
  from {
    opacity: 0;
    transform: translateY(6px) scale(0.998);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Maintain container proportions and prevent clipping during morph */
::view-transition-old(hero-title),
::view-transition-new(hero-title),
::view-transition-old(hero-eyebrow),
::view-transition-new(hero-eyebrow),
::view-transition-old(hero-subtitle),
::view-transition-new(hero-subtitle),
::view-transition-old(hero-actions),
::view-transition-new(hero-actions) {
  height: 100%;
}

/* Fallback graceful exit for non-supporting browsers */
body.page-morph-exit {
  opacity: 0 !important;
  transform: translateY(-4px) scale(0.998) !important;
  transition: opacity 160ms cubic-bezier(0.4, 0, 0.2, 1), transform 160ms cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* ═══════════════════════════════════════════════════════════════
   Standalone Subpages — Mobile QA Fixes
   Mobile-only. Main landing page and all desktop styles remain unchanged.
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  /* Lock mobile document to eliminate browser address/search bar collapse and viewport layout shifts */
  html:has(body.page-standalone) {
    width: 100%;
    height: auto;
    min-height: 100%;
    overflow-x: clip;
    overflow-y: visible;
    overscroll-behavior: none !important;
    overscroll-behavior-y: none !important;
    touch-action: pan-y !important;
    scroll-behavior: auto !important;
  }

  body.page-standalone {
    width: 100%;
    min-width: 0;
    min-height: 100svh;
    height: auto;
    overflow: visible;
    overflow-x: clip;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: none !important;
    overscroll-behavior-y: none !important;
    touch-action: pan-y !important;
    scroll-behavior: auto !important;
  }

  body.page-standalone * {
    touch-action: pan-y;
  }

  
  body.page-standalone textarea,
  body.page-standalone button,
  body.page-standalone a {
    touch-action: manipulation !important;
  }

  .navbar__mobile-drawer {
    touch-action: pan-y !important;
    overscroll-behavior: contain !important;
  }

  /* ═══ Seamless Organic Background Flow (Mobile Subpages) ═══ */
  /* Remove harsh dividing borders and blend section transitions */
  body.page-standalone .page-hero {
    min-height: 100svh;
    height: auto;
    flex: 0 0 auto;
    padding-top: calc(76px + env(safe-area-inset-top, 0px));
    padding-bottom: calc(52px + env(safe-area-inset-bottom, 0px));
    overflow: hidden;
    border-bottom: none !important;
    background: radial-gradient(ellipse 90% 70% at 50% 25%, rgba(37, 99, 235, 0.05) 0%, rgba(248, 250, 252, 0.85) 60%, #F8FAFC 100%) !important;
  }

  body.page-standalone .page-hero--tech {
    background: radial-gradient(ellipse 90% 70% at 50% 25%, rgba(6, 182, 212, 0.07) 0%, rgba(37, 99, 235, 0.04) 45%, #F8FAFC 100%) !important;
  }

  body.page-standalone .page-hero::after {
    display: none !important;
  }

  body.page-standalone .page-hero__content {
    width: 100%;
    max-width: 860px;
    min-width: 0;
    min-height: calc(100svh - 128px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
    margin: 0 auto;
    justify-content: center;
  }

  body.page-standalone .page-hero__scroll-hint {
    bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  }

  /* Long content must remain content-led; seamless background gradients without harsh seams */
  body.page-standalone .features,
  body.page-standalone .specs,
  body.page-standalone .cta,
  body.page-standalone #booking-section {
    min-height: 0;
    height: auto;
    max-height: none;
    overflow: visible;
    border-top: none !important;
    border-bottom: none !important;
  }

  body.page-standalone .features {
    background: linear-gradient(180deg, #F8FAFC 0%, #F1F5F9 50%, #F8FAFC 100%) !important;
  }

  body.page-standalone .features--secondary {
    background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 50%, #F8FAFC 100%) !important;
  }

  body.page-standalone .specs {
    background: linear-gradient(180deg, #F8FAFC 0%, #F1F5F9 45%, #FFFFFF 100%) !important;
  }

  body.page-standalone #booking-section {
    display: flex !important;
    flex-direction: column !important;
    background: linear-gradient(180deg, #F8FAFC 0%, #F1F5F9 60%, #FFFFFF 100%) !important;
    padding-top: calc(64px + env(safe-area-inset-top, 0px) + 18px) !important;
    padding-bottom: 0 !important;
  }

  body.page-standalone #booking-section > .container {
    min-height: 0 !important;
    height: auto;
    margin-bottom: 0 !important;
  }

  /* CTA footer spacing with smooth gradient blend */
  body.page-standalone .cta {
    display: flex !important;
    flex-direction: column !important;
    background: linear-gradient(180deg, #F1F5F9 0%, #F8FAFC 35%, #FFFFFF 100%) !important;
    padding-top: calc(64px + env(safe-area-inset-top, 0px)) !important;
    padding-bottom: 0 !important;
  }

  body.page-standalone .cta-content-wrapper {
    flex: 0 0 auto;
    width: 100%;
  }

  body.page-standalone .cta__inner {
    margin-top: 0;
    margin-bottom: 0;
  }

  /* Unified Mobile Footer on All Subpages: Matches Main Page Exactly */
  body.page-standalone .footer {
    width: 100% !important;
    margin-top: 36px !important;
    padding: 8px 16px calc(6px + env(safe-area-inset-bottom, 0px)) !important;
    border-top: 1px solid rgba(0, 0, 0, 0.05) !important;
    background: #FFFFFF !important;
    box-sizing: border-box !important;
    flex-shrink: 0 !important;
  }

  body.page-standalone .footer__inner {
    display: flex !important;
    flex-direction: row !important;
    justify-content: space-between !important;
    align-items: center !important;
    gap: 6px !important;
    flex-wrap: wrap !important;
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    box-sizing: border-box !important;
  }

  body.page-standalone .footer__brand {
    font-size: 11px !important;
    font-weight: 800 !important;
    letter-spacing: 0.12em !important;
    color: #0F172A !important;
    font-family: inherit !important;
  }

  body.page-standalone .footer__links {
    display: flex !important;
    flex-direction: row !important;
    gap: 12px !important;
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  body.page-standalone .footer__link {
    font-size: 10.5px !important;
    color: #64748B !important;
    text-decoration: none !important;
  }

  body.page-standalone .footer__copy {
    font-size: 9.5px !important;
    color: #94A3B8 !important;
    width: 100% !important;
    text-align: center !important;
    margin-top: 2px !important;
  }

  /* ═══ High-Contrast Front Content (Cards, Text & Controls) ═══ */
  /* All Cards: Crisp pure white background, defined high-contrast borders, layered elevation */
  body.page-standalone .subsystem-card,
  body.page-standalone .feature-card,
  body.page-standalone .spec-item {
    background: #FFFFFF !important;
    border: 1.5px solid rgba(15, 23, 42, 0.12) !important;
    box-shadow: 0 4px 18px -2px rgba(15, 23, 42, 0.08), 0 1px 3px 0 rgba(15, 23, 42, 0.04) !important;
    position: relative;
    z-index: 2;
  }

  /* Deep obsidian titles with unmistakable prominence */
  body.page-standalone .subsystem-card__title,
  body.page-standalone .feature-card__title,
  body.page-standalone .page-hero__title,
  body.page-standalone .features__title {
    color: #0A0F1D !important;
    font-weight: 800 !important;
  }

  /* Crisp, high-readability body text (Slate 700 / 800) */
  body.page-standalone .subsystem-card__desc,
  body.page-standalone .feature-card__desc {
    color: #334155 !important;
    font-size: 0.88rem !important;
    line-height: 1.55 !important;
  }

  /* High-contrast subtitles */
  body.page-standalone .page-hero__subtitle,
  body.page-standalone .features__subtitle {
    color: #334155 !important;
    font-weight: 500 !important;
  }

  /* Eyebrows & Category Badges */
  body.page-standalone .page-hero__eyebrow,
  body.page-standalone .features__eyebrow,
  body.page-standalone .subsystem-card__tag {
    color: #1D4ED8 !important;
    font-weight: 750 !important;
    letter-spacing: 0.16em !important;
  }

  body.page-standalone .page-hero__eyebrow,
  body.page-standalone .features__eyebrow {
    background: #EFF6FF !important;
    border: 1px solid #BFDBFE !important;
  }

  /* Spec Pills, Badges & Matrix Pills */
  body.page-standalone .spec-pill {
    background: #EFF6FF !important;
    border: 1px solid #BFDBFE !important;
    color: #1D4ED8 !important;
    font-weight: 650 !important;
  }

  /* Specs Matrix: high-contrast rows and values */

  /* Contact Page Form: solid surfaces & clear borders */

  /* Interactive Buttons */
  body.page-standalone .hero__btn--primary {
    background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%) !important;
    color: #FFFFFF !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 16px rgba(29, 78, 216, 0.35) !important;
  }

  body.page-standalone .hero__btn--secondary {
    background: #FFFFFF !important;
    border: 1.5px solid rgba(15, 23, 42, 0.16) !important;
    color: #0A0F1D !important;
    font-weight: 650 !important;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.05) !important;
  }

  /* Never force narrow phone content into a wider-than-viewport box. */
  body.page-standalone .container,
  body.page-standalone .features__grid,
  body.page-standalone .subsystems-grid,
  body.page-standalone .feature-card,
  body.page-standalone .subsystem-card {
    min-width: 0;
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  body.page-standalone .page-hero {
    padding-top: calc(76px + env(safe-area-inset-top, 0px));
    padding-bottom: calc(50px + env(safe-area-inset-bottom, 0px));
  }

  body.page-standalone .page-hero__content {
    min-height: calc(100svh - 126px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
  }

  body.page-standalone .cta {
    padding-top: calc(56px + env(safe-area-inset-top, 0px)) !important;
    padding-bottom: 0 !important;
  }
}