/* ==========================================================================
   ETH Shashank — Spatial 3D Geist Dark System (Direction A)
   Matte Graphite Canvas, Three.js Silver Particle Depth, Connected 3D Chambers,
   Optical Signal Conduits, Zero-Slop WCAG AA Contrast.
   ========================================================================== */

:root {
  /* Surface Hierarchy */
  --color-canvas: #090A0C;
  --color-surface: #111419;
  --color-surface-raised: #161A21;
  --color-surface-inset: #0C0E12;
  --color-hairline: #232832;
  --color-hairline-hover: #384050;
  --color-hairline-soft: #1B1F27;

  /* WCAG AA High-Contrast Ink Ladder (All >= 4.5:1 on surfaces) */
  --color-ink-pure: #FFFFFF;
  --color-ink: #F3F5F8;
  --color-body: #ABB4C2;
  --color-mute: #8F98A8;

  /* Institutional Trading Accents (Zero AI Neon Purple) */
  --color-blue: #529DFF;
  --color-blue-bg: rgba(82, 157, 255, 0.11);
  --color-blue-border: rgba(82, 157, 255, 0.32);

  --color-emerald: #34D399;
  --color-emerald-bg: rgba(52, 211, 153, 0.10);
  --color-emerald-border: rgba(52, 211, 153, 0.30);

  --color-amber: #FBBF24;
  --color-amber-bg: rgba(251, 191, 36, 0.10);
  --color-amber-border: rgba(251, 191, 36, 0.30);

  --color-coral: #F87171;
  --color-coral-bg: rgba(248, 113, 113, 0.10);
  --color-coral-border: rgba(248, 113, 113, 0.32);

  /* Typography */
  --font-geist-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-geist-mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Geometry (Vercel Bimodal Radius Language) */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 100px;

  /* Neutral Directional Elevation Shadows (Reserved for Focal Stages; Row Cards Use Hairline Edge) */
  --shadow-card: none;
  --shadow-elevated: 0 4px 12px rgba(0, 0, 0, 0.45), 0 22px 44px -14px rgba(0, 0, 0, 0.72);

  /* Easing */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-med: 260ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Reset & Themed Browser Surfaces
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  background-color: var(--color-canvas);
  color: var(--color-ink);
  overflow-x: clip;
  scrollbar-width: thin;
  scrollbar-color: #2A303C #090A0C;
}

html::-webkit-scrollbar {
  width: 9px;
}

html::-webkit-scrollbar-track {
  background: #090A0C;
}

html::-webkit-scrollbar-thumb {
  background: #262C38;
  border-radius: 999px;
  border: 2px solid #090A0C;
}

html::-webkit-scrollbar-thumb:hover {
  background: #384050;
}

::selection {
  background-color: rgba(82, 157, 255, 0.28);
  color: var(--color-ink-pure);
}

body {
  font-family: var(--font-geist-sans);
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--color-canvas);
  color: var(--color-ink);
  position: relative;
  overflow-x: clip;
  caret-color: var(--color-blue);
}

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

/* ==========================================================================
   Atmospheric Layers: Micro-Dot Grid + Fixed Three.js Silver Particle Field
   ========================================================================== */
.vercel-bg-wrapper {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-dots-base {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(220, 228, 240, 0.16) 1px, transparent 1.2px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse 85% 65% at 50% 35%, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.2) 65%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 85% 65% at 50% 35%, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.2) 65%, transparent 100%);
  opacity: 0.55;
}

.bg-dots-dense {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 52% 340px at 50% 24%, rgba(82, 157, 255, 0.07) 0%, rgba(240, 246, 255, 0.03) 45%, transparent 80%);
  opacity: 1;
}

.webgl-particle-stage {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
}

.webgl-particle-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* CRITICAL: Block layout (NOT display:flex) so GSAP ScrollTrigger pinSpacing works accurately */
.page-container {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
}

/* ==========================================================================
   Top Navigation Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  background: rgba(9, 10, 12, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-hairline-soft);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

@media (min-width: 768px) {
  .site-header {
    padding: 12px 40px;
  }
}

@media (min-width: 1200px) {
  .site-header {
    padding: 12px calc((100vw - 1140px) / 2);
  }
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-ink-pure);
}

.brand-logo {
  display: block;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.brand-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-ink-pure);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.site-nav {
  display: none;
  align-items: center;
  gap: 4px;
}

@media (min-width: 920px) {
  .site-nav {
    display: flex;
  }
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-body);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-ink-pure);
  background-color: rgba(255, 255, 255, 0.05);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cta-square {
  white-space: nowrap;
}

.nav-cta-square {
  white-space: nowrap;
}

.desk-clock {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-hairline);
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

@media (min-width: 560px) {
  .desk-clock {
    display: inline-flex;
  }
}

.clock-label {
  color: var(--color-mute);
  font-weight: 500;
}

.clock-value {
  color: var(--color-ink);
  font-weight: 500;
}

/* 6px Square Nav CTA per DESIGN.md bimodal button rule */
.nav-cta-square {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  background-color: var(--color-ink-pure);
  color: #090A0C;
  font-family: var(--font-geist-sans);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.nav-cta-square:hover {
  background-color: #E2E6EC;
  transform: translateY(-1px);
}

/* ==========================================================================
   Chamber 01: Hero Section (Clean Typography + Outer Margin 3D Depth Cards)
   ========================================================================== */
.hero-section {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(84dvh - 62px);
  max-height: 760px;
  padding: 56px 20px 36px;
  text-align: center;
  perspective: 1300px;
}

@media (min-width: 768px) {
  .hero-section {
    padding: 68px 36px 44px;
  }
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 660px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform-style: preserve-3d;
}

.hero-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: 1px solid var(--color-hairline);
  margin-bottom: 24px;
  font-size: 0.8125rem;
}

.meta-pill-code {
  font-family: var(--font-geist-mono);
  font-weight: 500;
  color: var(--color-blue);
}

.meta-pill-sep {
  color: var(--color-mute);
}

.meta-pill-sub {
  color: var(--color-body);
  font-variant-numeric: tabular-nums;
}

.hero-headline {
  font-size: clamp(2.75rem, 6.4vw, 4.75rem);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.036em;
  color: var(--color-ink-pure);
  margin-bottom: 20px;
  text-wrap: balance;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.125rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-body);
  max-width: 56ch;
  margin-bottom: 32px;
  text-wrap: pretty;
}

.hero-cta-wrapper {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
}

/* Marketing Pill CTA per DESIGN.md */
.vercel-btn-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  background-color: var(--color-ink-pure);
  color: #090A0C;
  text-decoration: none;
  font-family: var(--font-geist-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  border: 1px solid var(--color-ink-pure);
  box-shadow: var(--shadow-card);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.vercel-btn-pill:hover {
  background-color: #E3E7EE;
  transform: translateY(-2px);
}

.btn-arrow {
  transition: transform var(--transition-med);
}

.vercel-btn-pill:hover .btn-arrow {
  transform: translate(2px, -2px);
}

.vercel-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  background-color: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-hairline);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.vercel-btn-secondary:hover {
  border-color: var(--color-hairline-hover);
  background-color: var(--color-surface-raised);
  transform: translateY(-2px);
}

@media (max-width: 480px) {
  .vercel-btn-pill,
  .vercel-btn-secondary {
    width: 100%;
    max-width: 320px;
  }
}

/* Outer-Margin Tilted 3D Side Components (Visible from 880px+ — Separated Scroll Wrapper + 3D Tilt Plane) */
.hero-side-wrap {
  display: none;
  position: absolute;
  z-index: 2;
  perspective: 900px;
  will-change: transform, opacity;
}

@media (min-width: 880px) and (max-width: 1120px) {
  .hero-content {
    max-width: 430px;
  }

  .hero-headline {
    font-size: clamp(2.4rem, 4.5vw, 3.5rem);
  }
}

@media (min-width: 880px) {
  .hero-side-wrap {
    display: block;
  }
}

.side-wrap-left {
  top: 19%;
  left: clamp(14px, 3.2vw, 68px);
}

.side-wrap-right {
  bottom: 15%;
  right: clamp(14px, 3.2vw, 68px);
}

@media (min-width: 1240px) {
  .side-wrap-left {
    left: max(40px, calc(50% - 580px));
  }
  .side-wrap-right {
    right: max(40px, calc(50% - 580px));
  }
}

.hero-depth-card {
  position: relative;
  width: 184px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(17, 20, 25, 0.92);
  border: 1px solid var(--color-hairline-hover);
  box-shadow: var(--shadow-elevated);
  text-align: left;
  transform-style: preserve-3d;
  will-change: transform;
}

@media (min-width: 1121px) {
  .hero-depth-card {
    width: 230px;
    padding: 14px 16px;
  }
}

.depth-card-left {
  transform: rotateY(22deg) rotateX(8deg) rotateZ(-2.5deg);
}

.depth-card-right {
  transform: rotateY(-22deg) rotateX(8deg) rotateZ(2.5deg);
}

.depth-card-inner {
  transform: translateZ(16px);
  transform-style: preserve-3d;
}

.depth-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.depth-pair {
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-mute);
}

.depth-tag {
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
}

.tag-emerald {
  color: var(--color-emerald);
  background: var(--color-emerald-bg);
  border: 1px solid var(--color-emerald-border);
}

.tag-amber {
  color: var(--color-amber);
  background: var(--color-amber-bg);
  border: 1px solid var(--color-amber-border);
}

.hero-mini-svg {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 8px;
  padding: 6px;
  border-radius: 6px;
  background: var(--color-surface-inset);
  border: 1px solid var(--color-hairline-soft);
}

.hero-mini-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hero-mini-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 9px;
  border-radius: 6px;
  background: var(--color-surface-inset);
  border: 1px solid var(--color-hairline-soft);
  font-size: 0.8125rem;
  color: var(--color-ink);
}

.mini-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mini-dot.emerald { background: var(--color-emerald); }
.mini-dot.amber   { background: var(--color-amber); }
.mini-dot.blue    { background: var(--color-blue); }

.depth-meta {
  font-size: 0.8125rem;
  color: var(--color-body);
  line-height: 1.4;
}

/* ==========================================================================
   Optical Signal Conduit Bridges (Physically Connecting Sections)
   ========================================================================== */
.conduit-bridge {
  position: relative;
  width: 100%;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 2;
}

.conduit-svg {
  width: 24px;
  height: 64px;
  overflow: visible;
}

.conduit-rail {
  stroke: var(--color-hairline);
  stroke-width: 1;
  stroke-dasharray: 3 3;
}

.conduit-beam {
  stroke: var(--color-blue);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-dasharray: 72;
  stroke-dashoffset: 72;
}

.conduit-node {
  fill: var(--color-canvas);
  stroke: var(--color-hairline-hover);
  stroke-width: 1.5;
  transition: stroke var(--transition-med), fill var(--transition-med);
}

.conduit-bridge.is-energized .conduit-node {
  fill: var(--color-blue);
  stroke: var(--color-ink-pure);
}

/* ==========================================================================
   Shared Content-Proportional Section Architecture (Zero Blind 95vh Voids)
   ========================================================================== */
.section {
  position: relative;
  width: 100%;
  padding: 28px 20px;
  perspective: 1300px;
}

@media (min-width: 640px) {
  .section {
    padding: 36px 32px;
  }
}

@media (min-width: 1024px) {
  .section {
    padding: 40px 48px;
  }
}

.chamber-plane {
  transform-style: preserve-3d;
  will-change: transform, opacity;
}

.section-inner {
  max-width: 1120px;
  margin: 0 auto;
  width: 100%;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 36px auto;
}

.section-title {
  font-size: clamp(1.875rem, 3.6vw, 2.5rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.028em;
  color: var(--color-ink-pure);
  margin-bottom: 12px;
  text-wrap: balance;
}

.section-lead {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-body);
  max-width: 60ch;
  margin: 0 auto;
  text-wrap: pretty;
}

/* ==========================================================================
   True Multi-Layer 3D Tilt & Specular Edge Light Mechanics
   (NO overflow:hidden and NO CSS transform transition so rAF spring tilt is 60fps pure 3D)
   ========================================================================== */
.tilt-card {
  position: relative;
  transform-style: preserve-3d;
  transform: perspective(900px)
    translate3d(0, calc(var(--s-y, 0px) + var(--t-y, 0px)), calc(var(--s-z, 0px) + var(--t-z, 0px)))
    rotateX(calc(var(--s-rx, 0deg) + var(--t-rx, 0deg)))
    rotateY(calc(var(--s-ry, 0deg) + var(--t-ry, 0deg)));
  opacity: var(--s-op, 1);
  transition: border-color 200ms ease, box-shadow 240ms ease;
  will-change: transform, opacity;
}

.tilt-layer-mid {
  transform: translateZ(0px);
  transition: transform 280ms var(--ease-out-expo);
}

.tilt-layer-front {
  transform: translateZ(0px);
  transition: transform 280ms var(--ease-out-expo), box-shadow 280ms ease;
}

.tilt-card.is-tilting .tilt-layer-mid {
  transform: translateZ(14px);
}

.tilt-card.is-tilting .tilt-layer-front {
  transform: translateZ(28px);
}

.card-glare {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: radial-gradient(380px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.085), transparent 70%);
  opacity: 0;
  transition: opacity 220ms ease;
  z-index: 2;
}

.tilt-card:hover .card-glare,
.anatomy-terminal:hover .card-glare {
  opacity: 1;
}

/* ==========================================================================
   Chamber 02: Asymmetric 3D Bento Intelligence Grid
   ========================================================================== */
.features-perspective-wrapper {
  perspective: 1200px;
}

.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  transform-style: preserve-3d;
}

@media (min-width: 768px) {
  .bento-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 18px;
  }
  .bento-span-7 {
    grid-column: span 7;
  }
  .bento-span-5 {
    grid-column: span 5;
  }
}

.bento-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  box-shadow: var(--shadow-card);
}

.bento-card:hover {
  border-color: var(--color-hairline-hover);
  box-shadow: var(--shadow-elevated);
}

.bento-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.bento-inline-icon {
  flex-shrink: 0;
}

.icon-emerald { color: var(--color-emerald); }
.icon-blue    { color: var(--color-blue); }
.icon-amber   { color: var(--color-amber); }
.icon-silver  { color: var(--color-ink); }

.bento-heading {
  font-size: 1.1875rem;
  font-weight: 600;
  letter-spacing: -0.018em;
  color: var(--color-ink-pure);
  line-height: 1.3;
}

.bento-chip {
  margin-left: auto;
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-hairline);
  color: var(--color-body);
}

.chip-emerald {
  color: var(--color-emerald);
  background: var(--color-emerald-bg);
  border-color: var(--color-emerald-border);
}

.bento-desc {
  font-size: 0.9375rem;
  line-height: 1.58;
  color: var(--color-body);
  max-width: 62ch;
}

.bento-visual {
  background: var(--color-surface-inset);
  border: 1px solid var(--color-hairline-soft);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.micro-chart-svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 118px;
}

.visual-list,
.visual-calendar {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mini-feed-row,
.cal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-hairline-soft);
  font-size: 0.8125rem;
}

.feed-code,
.cal-day {
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-mute);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.feed-text,
.cal-event {
  color: var(--color-ink);
  font-weight: 400;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.feed-pill,
.cal-impact {
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 4px;
  flex-shrink: 0;
}

.feed-pill.up {
  color: var(--color-emerald);
  background: var(--color-emerald-bg);
}

.feed-pill.neutral {
  color: var(--color-blue);
  background: var(--color-blue-bg);
}

.cal-impact.high {
  color: var(--color-amber);
  background: var(--color-amber-bg);
}

.visual-audio {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.audio-bar-mock {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-hairline);
}

.audio-play-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-blue);
  color: #090A0C;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.audio-waveform {
  flex: 1;
  height: 24px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.audio-waveform span {
  flex: 1;
  background: var(--color-blue);
  border-radius: 2px;
  opacity: 0.78;
}

.audio-waveform span:nth-child(n+14) {
  background: var(--color-mute);
  opacity: 0.4;
}

.audio-duration {
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  color: var(--color-body);
  font-variant-numeric: tabular-nums;
}

.sentiment-split {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sentiment-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--color-body);
}

.sentiment-num {
  font-family: var(--font-geist-mono);
  font-weight: 600;
  color: var(--color-emerald);
  font-variant-numeric: tabular-nums;
}

.sentiment-track {
  height: 6px;
  border-radius: 999px;
  background: var(--color-surface-raised);
  overflow: hidden;
}

.sentiment-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--color-emerald);
}

/* ==========================================================================
   Chamber 03: Inside the Channel — Horizontal Carousel + 3D Device Stage
   ========================================================================== */
.carousel-container {
  max-width: 1120px;
  margin: 0 auto;
  width: 100%;
}

.carousel-category-nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  margin-bottom: 24px;
  scrollbar-width: none;
}

.carousel-category-nav::-webkit-scrollbar {
  display: none;
}

@media (min-width: 680px) {
  .carousel-category-nav {
    justify-content: center;
  }
}

.category-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-hairline);
  background: var(--color-surface);
  color: var(--color-body);
  font-family: var(--font-geist-sans);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.category-tab-btn:hover {
  color: var(--color-ink-pure);
  border-color: var(--color-hairline-hover);
}

.category-tab-btn.active {
  background: var(--color-ink-pure);
  color: #090A0C;
  border-color: var(--color-ink-pure);
}

.carousel-viewport {
  width: 100%;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  border-radius: var(--radius-lg);
}

.carousel-viewport::-webkit-scrollbar {
  display: none;
}

.carousel-track {
  display: flex;
  gap: 20px;
  width: 100%;
}

.carousel-card {
  flex: 0 0 100%;
  scroll-snap-align: start;
  background: var(--color-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-med);
}

@media (min-width: 860px) {
  .carousel-card {
    flex: 0 0 88%;
    padding: 36px 44px;
  }
}

.carousel-card.is-active {
  border-color: var(--color-hairline-hover);
}

.carousel-card-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

@media (min-width: 780px) {
  .carousel-card-body {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 40px;
  }
}

.carousel-info-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.card-category-label {
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-blue);
  margin-bottom: 10px;
}

.card-heading {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.024em;
  color: var(--color-ink-pure);
  margin-bottom: 12px;
}

.card-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-body);
  margin-bottom: 22px;
  max-width: 48ch;
}

.card-specs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 26px;
}

.card-spec-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--color-ink);
}

.spec-bullet {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-blue);
  flex-shrink: 0;
}

.card-tg-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-hairline);
  color: var(--color-ink-pure);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.card-tg-btn:hover {
  border-color: var(--color-hairline-hover);
  background: #1D222B;
  transform: translateY(-1px);
}

.carousel-visual-col {
  display: flex;
  justify-content: center;
  perspective: 950px;
}

.showcase-3d {
  position: relative;
  transform-style: preserve-3d;
  transform: rotateY(-15deg) rotateX(6deg) rotateZ(-1deg);
  will-change: transform;
}

.channel-screenshot {
  display: block;
  width: 300px;
  max-width: 100%;
  aspect-ratio: 340 / 520;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--color-hairline-hover);
  box-shadow: var(--shadow-elevated);
}

.carousel-nav-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  gap: 16px;
}

.carousel-nav-arrows {
  display: flex;
  gap: 8px;
}

.carousel-arrow-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-hairline);
  background: var(--color-surface);
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.carousel-arrow-btn:hover:not(:disabled) {
  border-color: var(--color-hairline-hover);
  background: var(--color-surface-raised);
}

.carousel-arrow-btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.carousel-dots-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.carousel-dot-btn {
  width: 24px;
  height: 6px;
  border-radius: 999px;
  border: none;
  background: var(--color-hairline);
  cursor: pointer;
  transition: background-color var(--transition-fast), width var(--transition-med);
}

.carousel-dot-btn.active {
  width: 38px;
  background: var(--color-ink-pure);
}

.carousel-counter {
  font-family: var(--font-geist-mono);
  font-size: 0.8125rem;
  color: var(--color-mute);
  font-variant-numeric: tabular-nums;
}

.counter-active {
  color: var(--color-ink-pure);
  font-weight: 600;
}

/* ==========================================================================
   Chamber 04: How It Works — Pinned 3D Peeling Deck (Zero-Overlap Geometry)
   ========================================================================== */
.section-stacking-flow {
  position: relative;
  width: 100%;
  padding: 36px 20px;
}

@media (min-width: 768px) {
  .section-stacking-flow {
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 32px;
  }
}

.stack-pin-shell {
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
}

.flow-header {
  margin-bottom: 24px;
}

/* Desktop Pinned 3D Stage — Proportioned to fit inside 700px+ laptop viewports */
.stack-perspective-stage {
  position: relative;
  width: 100%;
  max-width: 740px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 768px) {
  .stack-perspective-stage {
    height: clamp(310px, 44dvh, 356px);
    perspective: 1300px;
    display: block;
  }
}

.stack-card {
  width: 100%;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-hairline-hover);
  box-shadow: var(--shadow-elevated);
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}

@media (min-width: 768px) {
  .stack-card {
    position: absolute;
    inset: 0;
    height: 100%;
    padding: 28px 36px;
    transform-origin: center top;
    transform-style: preserve-3d;
    will-change: transform, opacity;
  }
  .stack-card-1 { z-index: 3; }
  .stack-card-2 { z-index: 4; }
  .stack-card-3 { z-index: 5; }
}

.stack-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.stack-step-code {
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-mute);
  font-variant-numeric: tabular-nums;
}

.stack-status-pill {
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.stack-status-pill.emerald {
  color: var(--color-emerald);
  background: var(--color-emerald-bg);
  border: 1px solid var(--color-emerald-border);
}

.stack-status-pill.blue {
  color: var(--color-blue);
  background: var(--color-blue-bg);
  border: 1px solid var(--color-blue-border);
}

.stack-status-pill.amber {
  color: var(--color-amber);
  background: var(--color-amber-bg);
  border: 1px solid var(--color-amber-border);
}

.stack-title {
  font-size: clamp(1.25rem, 2.6vw, 1.5625rem);
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--color-ink-pure);
  margin-bottom: 6px;
}

.stack-desc {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--color-body);
  max-width: 60ch;
}

.stack-feature-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--color-surface-inset);
  border: 1px solid var(--color-hairline-soft);
}

.stack-mini-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--color-ink);
}

.stack-check {
  flex-shrink: 0;
}

.stack-check.emerald { color: var(--color-emerald); }
.stack-check.blue    { color: var(--color-blue); }
.stack-check.amber   { color: var(--color-amber); }

.stack-footer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  color: var(--color-mute);
}

.stack-inline-link {
  color: var(--color-blue);
  text-decoration: none;
  font-weight: 500;
}

.stack-inline-link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Interactive 3-Step Progress Rail */
.deck-step-tracker {
  display: none;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 22px;
}

@media (min-width: 768px) {
  .deck-step-tracker {
    display: flex;
  }
}

.step-track-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  color: var(--color-mute);
  font-variant-numeric: tabular-nums;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.step-track-item:hover {
  color: var(--color-ink);
}

.step-track-item.active {
  color: var(--color-ink-pure);
  background: var(--color-surface);
  border-color: var(--color-hairline);
}

.step-track-bar {
  width: 32px;
  height: 3px;
  background: var(--color-hairline);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.step-fill {
  position: absolute;
  inset: 0;
  width: 0%;
  background: var(--color-blue);
  transition: width 280ms var(--ease-out-expo);
}

.step-track-item.active .step-fill {
  width: 100%;
}

/* ==========================================================================
   Chamber 05: Sample Trade Setup — Flat Interactive Chart UI (Desktop Hover + Mobile Touch)
   ========================================================================== */
.section-signal-anatomy {
  perspective: none;
}

.section-signal-anatomy .chamber-plane {
  transform-style: flat;
  will-change: opacity;
}

.anatomy-3d-wrapper {
  perspective: none;
}

.anatomy-terminal {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  padding: 18px 16px;
  box-shadow: var(--shadow-elevated);
  transform: none !important;
  transform-style: flat;
}

@media (min-width: 640px) {
  .anatomy-terminal {
    padding: 24px;
  }
}

@media (min-width: 768px) {
  .anatomy-terminal {
    padding: 32px 36px;
  }
}

.anatomy-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-hairline);
  margin-bottom: 18px;
}

@media (min-width: 768px) {
  .anatomy-header {
    padding-bottom: 18px;
    margin-bottom: 24px;
  }
}

.anatomy-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.anatomy-pair {
  font-size: clamp(1.05rem, 2.5vw, 1.1875rem);
  font-weight: 600;
  color: var(--color-ink-pure);
  letter-spacing: -0.02em;
}

.anatomy-badge-long {
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-emerald);
  background: var(--color-emerald-bg);
  border: 1px solid var(--color-emerald-border);
  padding: 3px 9px;
  border-radius: 4px;
}

.anatomy-meta {
  display: flex;
  gap: 18px;
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  color: var(--color-body);
  font-variant-numeric: tabular-nums;
}

.anatomy-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: stretch;
  margin-bottom: 18px;
}

@media (min-width: 920px) {
  .anatomy-split {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 24px;
    margin-bottom: 24px;
  }
}

.anatomy-chart-pane {
  background: var(--color-surface-inset);
  border: 1px solid var(--color-hairline-soft);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}

@media (min-width: 640px) {
  .anatomy-chart-pane {
    padding: 18px;
    gap: 14px;
  }
}

.anatomy-svg {
  display: block;
  width: 100%;
  height: auto;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.chart-zone {
  cursor: pointer;
  touch-action: manipulation;
}

.chart-zone .zone-band {
  opacity: 0.42;
  transition: opacity 180ms ease, fill 180ms ease, stroke 180ms ease, stroke-width 180ms ease;
}

.chart-zone .zone-ring {
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(0.6);
  transition: opacity 220ms ease, transform 260ms var(--ease-out-expo);
}

.chart-zone .zone-dot {
  opacity: 0.55;
  transition: opacity 180ms ease, r 180ms ease;
}

.chart-zone text {
  opacity: 0.72;
  transition: opacity 180ms ease;
}

.chart-zone.is-highlighted .zone-band,
.chart-zone.is-highlighted .zone-dot,
.chart-zone.is-highlighted text {
  opacity: 1;
}

.chart-zone.is-highlighted .zone-ring {
  opacity: 1;
  transform: scale(1.18);
}

.chart-zone.is-highlighted[data-zone^="tp"] .zone-band {
  stroke: var(--color-emerald);
  stroke-width: 2;
  fill: rgba(52, 211, 153, 0.22);
}

.chart-zone.is-highlighted[data-zone="entry"] .zone-band {
  stroke: var(--color-blue);
  stroke-width: 2;
  fill: rgba(82, 157, 255, 0.22);
}

.chart-zone.is-highlighted[data-zone="sl"] .zone-band {
  stroke: var(--color-coral);
  stroke-width: 2;
  fill: rgba(248, 113, 113, 0.22);
}

.anatomy-readout {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-blue-border);
  display: flex;
  flex-direction: column;
  gap: 3px;
  transition: border-color 180ms ease;
}

.anatomy-readout[data-tone="gain"] {
  border-color: var(--color-emerald-border);
}

.anatomy-readout[data-tone="entry"] {
  border-color: var(--color-blue-border);
}

.anatomy-readout[data-tone="loss"] {
  border-color: var(--color-coral-border);
}

.readout-label {
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-blue);
  font-variant-numeric: tabular-nums;
  transition: color 180ms ease;
}

.anatomy-readout[data-tone="gain"] .readout-label {
  color: var(--color-emerald);
}

.anatomy-readout[data-tone="loss"] .readout-label {
  color: var(--color-coral);
}

.readout-rule {
  font-size: 0.875rem;
  color: var(--color-ink);
  line-height: 1.45;
}

.anatomy-levels-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

@media (min-width: 640px) {
  .anatomy-levels-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
}

.level-card {
  width: 100%;
  text-align: left;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  font-family: var(--font-geist-sans);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 4px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: var(--color-surface-inset);
  border: 1px solid var(--color-hairline-soft);
  color: var(--color-ink);
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms var(--ease-out-expo);
}

@media (min-width: 640px) {
  .level-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4px 12px;
    padding: 12px 16px;
  }
}

@media (hover: hover) and (pointer: fine) {
  .level-card:hover {
    border-color: var(--color-hairline-hover);
    background: var(--color-surface-raised);
    transform: translateX(3px);
  }
}

.level-card:active {
  transform: scale(0.985);
}

.level-card.active-tier {
  background: rgba(82, 157, 255, 0.1);
  border-color: var(--color-blue);
}

.level-card.active-tier[data-tone="gain"] {
  background: rgba(52, 211, 153, 0.1);
  border-color: var(--color-emerald);
}

.level-card.active-tier[data-tone="loss"] {
  background: rgba(248, 113, 113, 0.1);
  border-color: var(--color-coral);
}

.level-indicator {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  flex-wrap: wrap;
}

@media (min-width: 640px) {
  .level-indicator {
    justify-content: flex-start;
    gap: 8px;
  }
}

.level-tag {
  font-family: var(--font-geist-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-ink);
}

@media (min-width: 640px) {
  .level-tag {
    font-size: 0.75rem;
  }
}

.level-pct {
  font-family: var(--font-geist-mono);
  font-size: 0.7rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 639px) {
  .level-pct {
    display: none;
  }
}

.level-pct.highlight { color: var(--color-blue); }
.text-gain           { color: var(--color-emerald); }
.text-loss           { color: var(--color-coral); }

.level-price {
  font-family: var(--font-geist-mono);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-ink-pure);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 640px) {
  .level-price {
    font-size: 0.875rem;
    justify-self: end;
  }
}

.level-sub {
  font-size: 0.75rem;
  color: var(--color-body);
  line-height: 1.35;
}

@media (min-width: 640px) {
  .level-sub {
    grid-column: 1 / -1;
    font-size: 0.8125rem;
  }
}

.anatomy-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--color-hairline);
}

.anatomy-note {
  font-size: 0.875rem;
  color: var(--color-body);
}

.anatomy-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-hairline);
  color: var(--color-ink-pure);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.anatomy-cta-btn:hover {
  border-color: var(--color-ink);
  background: #1E242E;
}

/* ==========================================================================
   Chamber 06: Why Follow the Channel (3-Column 3D Depth Cards)
   ========================================================================== */
.standards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  perspective: 1100px;
}

@media (min-width: 820px) {
  .standards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.standard-card {
  background: var(--color-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.standard-card:hover {
  border-color: var(--color-hairline-hover);
  box-shadow: var(--shadow-elevated);
}

.standard-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.standard-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-ink-pure);
  letter-spacing: -0.015em;
}

.standard-desc {
  font-size: 0.9375rem;
  color: var(--color-body);
  line-height: 1.58;
}

/* ==========================================================================
   Chamber 07: 3D Unfolding FAQ Accordion
   ========================================================================== */
.faq-accordion-container {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  perspective: 1000px;
}

.faq-item {
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-hairline-hover);
}

.faq-item.is-open {
  border-color: var(--color-hairline-hover);
  background: var(--color-surface-raised);
}

.faq-question-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  color: var(--color-ink-pure);
  font-family: var(--font-geist-sans);
  font-size: 1rem;
  font-weight: 500;
  gap: 16px;
}

.faq-chevron {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-mute);
  transition: transform 260ms var(--ease-out-expo), color 200ms ease;
}

.faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
  color: var(--color-ink-pure);
}

.faq-answer-panel {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: rotateX(-10deg);
  transform-origin: top center;
  transition: max-height 320ms var(--ease-out-expo), opacity 240ms ease, transform 320ms var(--ease-out-expo);
}

.faq-item.is-open .faq-answer-panel {
  opacity: 1;
  transform: rotateX(0deg);
}

.faq-answer-content {
  padding: 0 22px 20px 22px;
  font-size: 0.9375rem;
  color: var(--color-body);
  line-height: 1.62;
  max-width: 66ch;
}

/* ==========================================================================
   Chamber 08: Final CTA Card + Institutional Footer
   ========================================================================== */
.section-cta-banner {
  padding-top: 44px;
  padding-bottom: 56px;
}

.cta-banner-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-hairline-hover);
  box-shadow: var(--shadow-elevated);
}

.cta-ambient-aura {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(ellipse 55% 60% at 50% 0%, rgba(82, 157, 255, 0.14), rgba(52, 211, 153, 0.06) 50%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

.cta-banner-content {
  position: relative;
  z-index: 1;
  max-width: 560px;
  margin: 0 auto;
}

.cta-banner-heading {
  font-size: clamp(1.875rem, 4.2vw, 2.625rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.14;
  color: var(--color-ink-pure);
  margin-bottom: 12px;
  text-wrap: balance;
}

.cta-banner-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-body);
  margin-bottom: 26px;
  text-wrap: pretty;
}

.cta-banner-btn-wrapper {
  display: flex;
  justify-content: center;
}

.site-footer {
  border-top: 1px solid var(--color-hairline);
  background: #07080A;
  padding: 48px 20px 32px;
}

@media (min-width: 640px) {
  .site-footer {
    padding: 56px 32px 36px;
  }
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-brand-col {
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--color-body);
  line-height: 1.55;
}

.footer-nav-col {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
}

.footer-nav-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-heading {
  font-family: var(--font-geist-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-ink);
  text-transform: uppercase;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-body);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-ink-pure);
}

.footer-disclaimer {
  padding: 18px 0;
  border-top: 1px solid var(--color-hairline-soft);
  border-bottom: 1px solid var(--color-hairline-soft);
  font-size: 0.8125rem;
  color: var(--color-mute);
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-geist-mono);
  font-size: 0.8125rem;
  color: var(--color-mute);
}

/* ==========================================================================
   Reduced Motion Accessibility Path (Preserves State & Opacity Meaning)
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .webgl-particle-stage {
    opacity: 0.35;
  }
  .chamber-plane,
  .stack-card,
  .showcase-3d,
  .tilt-card,
  .level-card,
  .faq-answer-panel {
    transform: none !important;
    transition: opacity 150ms ease, border-color 150ms ease !important;
  }
}