/* ============================================================
   GTLM — Signal Capture System
   style.css
   ============================================================ */

/* 1. CSS RESET */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
}

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

ul, ol {
  list-style: none;
}

table {
  border-collapse: collapse;
}

/* 2. CSS CUSTOM PROPERTIES */
:root {
  --bg: #f9f9f7;
  --bg-surface: #f2f2f0;
  --bg-card: #ffffff;
  --border: rgba(0,0,0,0.09);
  --border-accent: rgba(0,82,204,0.22);
  --accent: #0052CC;
  --accent-dim: rgba(0,82,204,0.07);
  --accent-glow: rgba(0,82,204,0.2);
  --text-primary: #0d0d14;
  --text-secondary: rgba(13,13,20,0.62);
  --text-muted: rgba(13,13,20,0.38);
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'Space Mono', monospace;
  --font-serif: 'Playfair Display', Georgia, serif;
  --radius: 4px;
  --radius-lg: 8px;
}

/* 3. BASE TYPOGRAPHY */
body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
}

h1, h2 {
  font-family: var(--font-serif);
  line-height: 1.1;
  font-weight: 700;
  color: var(--text-primary);
}

h3 {
  font-family: var(--font-body);
  font-weight: 600;
  line-height: 1.3;
}

h4 {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

p {
  line-height: 1.75;
}

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.85em;
}

/* 4. FIXED NAVIGATION */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(249,249,247,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius);
  letter-spacing: -0.02em;
}

.logo-word {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: color 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(0,0,0,0.04);
}

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

.nav-link--cta {
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  color: var(--accent);
  margin-left: 8px;
}

.nav-link--cta:hover {
  background: rgba(0,82,204,0.2);
  color: var(--accent);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 5. SECTION BASE */
.section {
  padding: 120px 0;
  position: relative;
}

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

.section--hero {
  position: relative;
  padding-top: 64px;
  padding-bottom: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

/* 6. CONTAINER */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 7. SECTION HEADER */
.section-header {
  margin-bottom: 64px;
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-family: var(--font-serif);
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.1;
}

.section-intro {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.75;
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,82,204,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,82,204,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

.hero-grid-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 90% 80% at 50% 50%, transparent 20%, var(--bg) 100%);
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 80px;
  position: relative;
  z-index: 1;
  flex: 1;
}

/* 8. HERO HEADLINE */
.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-headline {
  font-size: clamp(48px, 6vw, 72px);
  font-family: var(--font-serif);
  font-weight: 800;
  line-height: 1.05;
  color: var(--text-primary);
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}

.hero-headline em {
  font-style: italic;
  color: var(--text-muted);
}

.hero-headline strong {
  font-weight: 800;
  color: var(--text-primary);
}

.hero-subhead {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-subhead strong {
  color: var(--text-primary);
  font-weight: 500;
}

/* 9. VARIANT BADGES */
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.variant-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 100px;
  border: 1px solid var(--border-accent);
  background: var(--accent-dim);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
  letter-spacing: 0.04em;
}

.variant-badge:hover {
  border-color: var(--accent);
  background: rgba(0,82,204,0.18);
  color: var(--text-primary);
}

.variant-badge--pro {
  border-color: var(--accent);
  background: rgba(0,82,204,0.15);
}

.badge-tier {
  font-weight: 700;
  color: var(--accent);
}

.badge-sep, .badge-dot {
  color: var(--text-muted);
}

.badge-price {
  font-weight: 700;
  color: var(--text-primary);
}

/* HERO EYEBROW */
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.hero-eyebrow-line {
  width: 28px;
  height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

.hero-eyebrow-text {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
}

/* HERO STATS */
.hero-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 36px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.hero-stat-n {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.hero-stat-l {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* HERO CTAs */
.hero-ctas {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 8px;
}

.hero-btn-primary {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #ffffff;
  background: var(--accent);
  padding: 14px 28px;
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.2s;
}

.hero-btn-primary:hover {
  opacity: 0.82;
}

.hero-btn-secondary {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: color 0.2s;
}

.hero-btn-secondary:hover {
  color: var(--text-primary);
}

.hero-btn-arrow {
  display: inline-block;
  width: 20px;
  height: 1px;
  background: currentColor;
  position: relative;
  flex-shrink: 0;
}

.hero-btn-arrow::after {
  content: '';
  position: absolute;
  right: -1px;
  top: -3px;
  width: 6px;
  height: 6px;
  border-right: 1px solid currentColor;
  border-top: 1px solid currentColor;
  transform: rotate(45deg);
}

/* HERO COORDINATES */
.hero-coord {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 2;
  pointer-events: none;
}

.hero-coord-tl {
  top: 80px;
  left: 28px;
}

.hero-coord-br {
  bottom: 60px;
  right: 28px;
}

/* HERO RIGHT — badges placed below diagram */
.hero-right .hero-badges {
  margin-top: 16px;
}

/* HERO RIGHT — DIAGRAM */
.hero-right {
  position: relative;
}

.diagram-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.diagram-tab {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: transparent;
  transition: all 0.2s ease;
}

.diagram-tab:hover {
  color: var(--text-secondary);
  border-color: rgba(0,0,0,0.15);
}

.diagram-tab--active {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-dim);
}

.diagram-panel-wrapper {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  overflow: visible;
}

/* 10. BOOTH SVG CONTAINER */
.diagram-panel {
  width: 100%;
}

.booth-svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

/* 11. SIGNAL TICKER */
.signal-ticker {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border);
  padding: 16px 0;
  background: var(--bg-surface);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
}

.ticker-track {
  display: flex;
  white-space: nowrap;
  animation: ticker-scroll 35s linear infinite;
  width: max-content;
}

.ticker-track span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
  padding-right: 0;
}

.signal-ticker:hover .ticker-track {
  animation-play-state: paused;
}

/* 12. TICKER ANIMATION */
@keyframes ticker-scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-33.333%);
  }
}

/* 13. PULSING RING */
@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 0.45;
  }
  70% {
    transform: scale(1.08);
    opacity: 0.05;
  }
  100% {
    transform: scale(1);
    opacity: 0.45;
  }
}

.pulse-ring-host {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
}

.pulse-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px solid var(--accent);
  transform: translate(-50%, -50%) scale(1);
}

.pulse-ring--1 {
  width: 340px;
  height: 560px;
  border-radius: 50%;
  animation: pulse-ring 3.5s ease-in-out infinite;
}

.pulse-ring--2 {
  width: 400px;
  height: 640px;
  border-radius: 50%;
  animation: pulse-ring 3.5s ease-in-out infinite 1.75s;
}

/* ============================================================
   PRODUCT GALLERY SECTION
   ============================================================ */

/* ============================================================
   DATA QUALITY COMPARISON
   ============================================================ */

.dq-comparison {
  overflow-x: auto;
  margin-bottom: 56px;
}

.dq-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.dq-table thead th {
  padding: 14px 20px;
  text-align: left;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.dq-table tbody td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.5;
}

.dq-row-label {
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
  width: 200px;
}

.dq-col-without {
  color: var(--text-muted);
  text-decoration-color: transparent;
}

.dq-col-with {
  color: var(--accent);
  font-weight: 700;
}

.dq-table thead .dq-col-without {
  color: var(--text-muted);
}

.dq-table thead .dq-col-with {
  color: var(--accent);
}

.dq-row--highlight td {
  background: var(--accent-dim);
  border-top: 1px solid var(--border-accent);
  border-bottom: 1px solid var(--border-accent);
}

.dq-row--highlight .dq-col-without {
  color: var(--text-secondary);
}

.dq-row--highlight .dq-col-with {
  color: var(--accent);
}

.dq-sample {
  margin-bottom: 48px;
}

.dq-sample-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.dq-sample-code {
  background: #0d0d14;
  border-radius: 4px;
  padding: 28px 32px;
  overflow-x: auto;
  border: 1px solid var(--border);
}

.dq-sample-code code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
  color: rgba(232,232,240,0.75);
  white-space: pre;
}

.dq-footer {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 680px;
  padding-left: 24px;
  border-left: 2px solid var(--accent);
  font-style: italic;
}

/* ============================================================
   PLAIN LANGUAGE EXPLAINER
   ============================================================ */

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

.explainer-lead {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: 56px;
  padding-left: 24px;
  border-left: 2px solid var(--accent);
}

.explainer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.explainer-heading {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.explainer-item p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.85;
}

.section--gallery {
  padding-top: 60px;
  padding-bottom: 80px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 48px;
}

.gallery-figure {
  margin: 0;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid rgba(0,0,0,0.09);
  background: #ffffff;
  display: flex;
  flex-direction: column;
}

.gallery-figure--large {
  grid-row: span 1;
}

.gallery-figure img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: center 20%;
  display: block;
  filter: brightness(1) saturate(0.9);
  transition: filter 0.4s ease, transform 0.6s ease;
}

.gallery-figure:hover img {
  filter: brightness(1) saturate(1);
  transform: scale(1.015);
}

.gallery-figure figcaption {
  padding: 14px 18px 16px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  line-height: 1.5;
  border-top: 1px solid rgba(0,0,0,0.07);
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-figure img {
    height: 300px;
  }
}

/* ============================================================
   TECH SPECS SECTION
   ============================================================ */

/* 14. SPEC CARDS */
.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 64px;
}

.spec-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* 15. PRO CARD GLOW */
.spec-card--pro {
  border-color: var(--border-accent);
  box-shadow: 0 0 40px rgba(0,82,204,0.12);
}

.spec-card-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
}

.spec-card-tier {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.spec-card-tier--pro {
  color: var(--accent);
}

.spec-card-price {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.spec-card-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.spec-card-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 8px;
  font-style: italic;
}

.spec-category {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.spec-category-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* 16. SENSOR TABLE */
.spec-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.spec-table thead th {
  text-align: left;
  padding: 8px 10px;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.spec-table tbody tr {
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: background 0.15s ease;
}

.spec-table tbody tr:nth-child(even) {
  background: rgba(0,0,0,0.02);
}

.spec-table tbody tr:hover {
  background: rgba(0,82,204,0.04);
}

.spec-table tbody td {
  padding: 10px 10px;
  color: var(--text-secondary);
  vertical-align: top;
  line-height: 1.4;
}

.spec-table tbody td:first-child {
  color: var(--text-primary);
  font-weight: 400;
}

/* COMPARISON TABLE */
.comparison-table-wrapper {
  margin-top: 0;
}

.comparison-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.comparison-table-scroll {
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.comparison-table thead th {
  padding: 14px 20px;
  text-align: left;
  background: var(--bg-card);
  color: var(--text-muted);
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border);
}

.comparison-table thead th:first-child {
  width: 40%;
}

.comparison-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.15s ease;
}

.comparison-table tbody tr:last-child {
  border-bottom: none;
}

.comparison-table tbody tr:nth-child(even) {
  background: rgba(0,0,0,0.02);
}

.comparison-table tbody tr:hover {
  background: rgba(0,82,204,0.03);
}

.comparison-table tbody td {
  padding: 12px 20px;
  color: var(--text-secondary);
}

.comparison-table tbody td:first-child {
  color: var(--text-primary);
}

.check {
  color: rgba(13,13,20,0.5);
}

.check--pro {
  color: var(--accent);
}

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

/* ============================================================
   HOW IT WORKS SECTION
   ============================================================ */

/* 16. STEPS LIST */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 80px;
  counter-reset: steps;
}

.step-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.step-item:first-child {
  border-top: 1px solid var(--border);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-muted);
  line-height: 1;
  padding-top: 4px;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.step-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.step-title {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.step-body {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.step-body strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* 17. FLOW DIAGRAM */
.flow-diagram-wrapper {
  display: flex;
  justify-content: center;
  overflow-x: auto;
}

.flow-svg {
  width: 100%;
  max-width: 900px;
  height: auto;
}

/* ============================================================
   SAMPLE OUTPUT SECTION
   ============================================================ */

/* 18. CANVAS CONTAINER */
.chart-container {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg);
  overflow: hidden;
  margin-bottom: 32px;
  position: relative;
}

#signal-canvas {
  display: block;
  width: 100%;
  height: 280px;
}

/* LABEL PANEL */
.label-panel-wrapper {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* 20. OUTPUT TOGGLE BUTTONS */
.label-toggle {
  display: flex;
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px;
  background: var(--bg-surface);
  align-self: flex-start;
}

.label-toggle-btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 8px 20px;
  border-radius: 100px;
  transition: all 0.2s ease;
}

.label-toggle-btn:hover {
  color: var(--text-secondary);
}

.label-toggle-btn--active {
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  color: var(--accent);
}

.label-panels {
  display: flex;
  flex-direction: column;
}

.label-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* 19. LABEL PANELS */
.label-block {
  padding: 20px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.label-block-title {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.label-block-content {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.label-block-content strong {
  color: var(--text-primary);
}

.label-block--raw .label-block-title { color: #0052CC; }
.label-block--derived .label-block-title { color: #6d28d9; }
.label-block--affective .label-block-title { color: #b45309; }
.label-block--behavioral .label-block-title { color: #059669; }
.label-block--emg .label-block-title { color: #b91c1c; }
.label-block--eeg32 .label-block-title { color: #0052CC; }
.label-block--prosody .label-block-title { color: #6d28d9; }

.download-row {
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.btn-download {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 14px 32px;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  background: var(--accent-dim);
  transition: all 0.2s ease;
}

.btn-download:hover {
  background: rgba(0,82,204,0.2);
  border-color: var(--accent);
}

/* ============================================================
   THE SCIENCE SECTION
   ============================================================ */

/* 21. SCIENCE SECTION */
.science-title {
  font-style: italic;
}

.science-body {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.science-block {
  padding: 48px 0;
}

.science-subhead {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.science-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.85;
  text-align: justify;
  hyphens: auto;
}

/* 22. PULL QUOTE */
.pull-quote {
  margin-top: 32px;
  padding-left: 24px;
  border-left: 3px solid var(--accent);
}

.pull-quote p {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.55;
}

/* Science rule */
.science-rule {
  border: none;
  border-top: 1px solid var(--border);
}

/* 23. FOOTNOTES */
.science-footnotes {
  padding-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footnotes-list {
  list-style: decimal;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footnote-item {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footnote-item em {
  font-style: italic;
}

/* ============================================================
   BUY NOW SECTION
   ============================================================ */

/* 24. BUY CARDS */
.buy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 80px;
}

.buy-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  position: relative;
}

.buy-card--pro {
  border-color: var(--border-accent);
  box-shadow: 0 0 60px rgba(0,82,204,0.1), 0 0 120px rgba(0,82,204,0.04);
}

.buy-card-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.buy-card-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 28px;
}

.buy-card-tier {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.buy-card-tier--pro {
  color: var(--accent);
}

.buy-card-price {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1;
}

.buy-card-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.buy-includes {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.buy-includes li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  padding-left: 20px;
  position: relative;
}

.buy-includes li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.buy-includes li:first-child {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.8rem;
  padding-left: 0;
}

.buy-includes li:first-child::before {
  display: none;
}

.buy-card-cta {
  padding-top: 8px;
}

.btn-primary {
  display: inline-block;
  width: 100%;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  padding: 16px 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-surface);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  border-color: rgba(0,0,0,0.18);
  background: rgba(0,0,0,0.04);
}

.btn-primary--pro {
  background: var(--accent-dim);
  border-color: var(--border-accent);
  color: var(--accent);
}

.btn-primary--pro:hover {
  background: rgba(0,82,204,0.2);
  border-color: var(--accent);
  color: var(--accent);
}

/* 25. FAQ ACCORDION */
.faq-section {
  border-top: 1px solid var(--border);
  padding-top: 64px;
}

.faq-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 24px 0;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  gap: 24px;
  transition: color 0.2s ease;
}

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

.faq-question[aria-expanded="true"] {
  color: var(--accent);
}

.faq-icon {
  font-size: 1.2rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform 0.3s ease, color 0.2s ease;
  line-height: 1;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
  color: var(--accent);
}

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding-bottom: 0;
}

.faq-answer.is-open {
  max-height: 400px;
  padding-bottom: 24px;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================================
   BOOK A LAB VISIT SECTION
   ============================================================ */

/* 26. CITY CARDS */
.city-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.city-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color 0.2s ease;
}

.city-card:hover {
  border-color: var(--border-accent);
}

.city-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.city-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* 27. CITY CARD DATES */
.city-coords {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.city-venue {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.city-dates {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.city-dates-title {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.date-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.date-list li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.date-pill {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 10px;
  white-space: nowrap;
  letter-spacing: 0.04em;
}

.date-time {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.btn-visit {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 12px 20px;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  background: var(--accent-dim);
  transition: all 0.2s ease;
  align-self: flex-start;
  margin-top: auto;
}

.btn-visit:hover {
  background: rgba(0,82,204,0.2);
  border-color: var(--accent);
}

/* ============================================================
   FOOTER
   ============================================================ */

/* 28. FOOTER */
footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  padding-top: 64px;
  padding-bottom: 64px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
  font-family: var(--font-serif);
}

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

.footer-link {
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--accent);
}

.footer-col--contact {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.footer-email {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-email:hover {
  color: var(--accent);
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.2s ease;
}

.footer-social-link:hover {
  border-color: rgba(0,0,0,0.18);
  background: rgba(0,0,0,0.04);
}

.footer-privacy-link {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer-privacy-link:hover {
  color: var(--text-secondary);
}

/* 29. BOTTOM BAR */
.footer-bottom {
  background: rgba(0,0,0,0.04);
  border-top: 1px solid var(--border);
  padding: 16px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  line-height: 1.5;
}

/* ============================================================
   SCROLL REVEAL ANIMATION
   ============================================================ */

/* 30. REVEAL ANIMATION */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

/* ============================================================
   RESPONSIVE — 768px BREAKPOINT
   ============================================================ */

/* 31. MOBILE BREAKPOINT */
@media (max-width: 768px) {
  /* 5. Section padding */
  .section {
    padding: 60px 0;
  }

  .section--hero {
    padding-top: 64px;
    padding-bottom: 0;
    min-height: auto;
  }

  .section-header {
    margin-bottom: 40px;
  }

  /* 7. Hero grid */
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 60px;
    padding-bottom: 40px;
  }

  /* 8. Hero headline */
  .hero-headline {
    font-size: 48px;
  }

  .hero-coord {
    display: none;
  }

  .explainer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .explainer-lead {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 20px;
    flex-wrap: wrap;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  /* Diagram */
  .hero-right {
    order: -1;
  }

  /* 14. Spec cards */
  .specs-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .spec-card {
    padding: 24px 20px;
  }

  /* Steps */
  .step-item {
    grid-template-columns: 56px 1fr;
    gap: 16px;
    padding: 28px 0;
  }

  .step-number {
    font-size: 1.5rem;
  }

  /* Flow SVG */
  .flow-svg {
    min-width: 700px;
  }

  /* Label panel */
  .label-panel {
    grid-template-columns: 1fr;
  }

  /* 24. Buy cards */
  .buy-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .buy-card {
    padding: 32px 24px;
  }

  /* 26. City cards */
  .city-grid {
    grid-template-columns: 1fr;
  }

  /* 28. Footer */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 48px;
    padding-bottom: 48px;
  }

  /* Comparison table */
  .comparison-table-scroll {
    overflow-x: auto;
  }

  /* Science */
  .science-text {
    text-align: left;
  }

  /* Diagram panel */
  .diagram-panel-wrapper {
    overflow-x: auto;
  }

  .booth-svg {
    min-width: 600px;
  }
}

/* 32. NAV HAMBURGER — MOBILE */
@media (max-width: 900px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(249,249,247,0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 999;
  }

  .nav-links.is-open {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 1rem;
    padding: 14px 32px;
  }

  .nav-link--cta {
    margin-left: 0;
  }
}

/* ============================================================
   CONFIGURATOR — Build Your GTLM Machine
   ============================================================ */

/* Buy section divider between packages and configurator */
.buy-section-divider {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 64px 0 48px;
}
.buy-section-divider-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}
.buy-section-divider-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Sub-section header for build-your-own */
.section-header--sub {
  margin-bottom: 40px;
}
.section-title-sub {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.1;
}

/* Single-column override for catalogue card */
.specs-grid--single {
  grid-template-columns: 1fr;
}
.spec-card--catalogue {
  border-color: var(--border-accent);
  box-shadow: 0 0 40px rgba(0,82,204,0.08);
}

/* Configurator layout: two-column sticky */
.configurator-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  align-items: start;
  margin-bottom: 80px;
}

/* Options panel */
.configurator-options {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Config section */
.config-section {
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
}
.config-section:first-child {
  padding-top: 0;
}
.config-section--base {
  background: var(--bg-surface);
  padding: 24px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin-bottom: 8px;
}
.config-section-header {
  margin-bottom: 16px;
}
.config-section-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.config-section-included {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-muted);
  font-style: italic;
}

/* Base unit list */
.config-base-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}
.config-base-list li {
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding-left: 14px;
  position: relative;
}
.config-base-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}
.config-base-price {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.config-base-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.config-base-amount {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
}

/* Option list */
.config-option-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Individual option row */
.config-option {
  display: grid;
  grid-template-columns: 18px 1fr auto;
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  background: var(--bg-card);
}
.config-option:hover {
  border-color: var(--border-accent);
  background: var(--accent-dim);
}
.config-option input[type="checkbox"],
.config-option input[type="radio"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}
.config-option input:checked ~ .config-option-body .config-option-name {
  color: var(--accent);
}
.config-option:has(input:checked) {
  border-color: var(--border-accent);
  background: var(--accent-dim);
}
.config-option--medical {
  border-left: 2px solid rgba(0,82,204,0.3);
}
.config-option--medical:has(input:checked) {
  border-left-color: var(--accent);
}
.config-option--locked {
  opacity: 0.85;
  cursor: default;
}
.config-option--locked input {
  cursor: default;
}
.config-option-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.config-option-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.config-option-detail {
  font-family: var(--font-mono);
  font-size: 0.67rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  line-height: 1.5;
}
.config-option-price {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
  padding-top: 2px;
}
.config-option-price--neutral {
  color: var(--text-muted);
  font-weight: 400;
}
.config-option-price--discount {
  color: #2d8a4e;
}

/* Grade badges */
.config-grade-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  padding: 2px 7px;
  border-radius: 3px;
}
.config-lock-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 3px;
}

/* Colour picker */
.config-colour-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.config-colour-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s;
  text-align: center;
  background: var(--bg-card);
}
.config-colour-option:hover {
  border-color: var(--border-accent);
}
.config-colour-option:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.config-colour-option input {
  display: none;
}
.config-swatch {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: block;
  flex-shrink: 0;
}
.config-swatch--custom {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border-accent);
  background: var(--bg-surface);
  color: var(--accent);
}
.config-colour-name {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}
.config-colour-note {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* Summary panel */
.configurator-summary {
  position: sticky;
  top: 80px;
  background: var(--bg-dark);
  color: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.summary-inner {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.summary-header {
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 16px;
}
.summary-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: white;
  margin-bottom: 4px;
}
.summary-subtitle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
}
.summary-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.summary-section-label {
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
  margin-bottom: 2px;
}
.summary-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.5;
}
.summary-line span:first-child {
  flex: 1;
}
.summary-line span:last-child {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.55);
  white-space: nowrap;
}
.summary-line--base span:last-child {
  color: rgba(255,255,255,0.72);
}
.summary-sensor-list,
.summary-service-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.summary-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.12);
  margin: 0;
}
.summary-total-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}
.summary-total-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}
.summary-total-amount {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: white;
  line-height: 1;
}
.summary-note {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.38);
  line-height: 1.5;
  margin-top: -8px;
}
.btn-request-quote {
  width: 100%;
  padding: 14px 24px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: opacity 0.2s;
}
.btn-request-quote:hover {
  opacity: 0.88;
}
.summary-total-excl {
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: rgba(255,255,255,0.32);
  display: block;
  margin-top: 2px;
}
.summary-on-request {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(255,255,255,0.35);
  font-style: italic;
  white-space: nowrap;
}
.config-option-price--request {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--text-muted);
  font-style: italic;
  white-space: nowrap;
  padding-top: 2px;
}
.summary-lead-time {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(255,255,255,0.32);
  text-align: center;
  letter-spacing: 0.08em;
  margin-top: -8px;
}

/* Responsive: configurator stacks below 1024px */
@media (max-width: 1024px) {
  .configurator-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .configurator-summary {
    position: static;
    order: -1;
  }
  .config-colour-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ── BIO PODS ── */
/* ══════════════════════════════════════════════════════
   FOMO / CONVERSION ELEMENTS
   ══════════════════════════════════════════════════════ */

/* ── URGENCY BAR ── */
.urgency-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 36px;
  background: #111114;
  border-bottom: 1px solid rgba(200,200,210,0.12);
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
}
.urgency-bar-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: rgba(210,210,218,0.75);
  white-space: nowrap;
  overflow: hidden;
}
.ub-pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: #f87171;
  flex-shrink: 0;
  animation: ubpulse 1.8s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(248,113,113,0.8);
}
@keyframes ubpulse { 0%,100%{opacity:1;box-shadow:0 0 4px rgba(248,113,113,0.5);}
                     50%{opacity:0.7;box-shadow:0 0 14px rgba(248,113,113,1);} }
.ub-sep { color: rgba(200,200,210,0.2); }
.ub-item strong { color: rgba(240,240,248,0.95); }
.ub-cta {
  background: rgba(240,240,248,0.1);
  border: 1px solid rgba(200,200,210,0.25);
  border-radius: 3px;
  padding: 3px 10px;
  color: rgba(240,240,248,0.88);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  transition: background 0.2s, color 0.2s;
  margin-left: 6px;
}
.ub-cta:hover { background: rgba(240,240,248,0.18); color: #fff; }

/* Shift nav + hero down to account for urgency bar */
#main-nav { top: 36px !important; }
.section--hero { padding-top: 100px; }

/* ── HERO SOCIAL PROOF ── */
.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}
.hsp-faces {
  display: flex;
  flex-direction: row;
}
.hsp-face {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(60,60,70,0.9);
  border: 2px solid var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  color: rgba(200,200,210,0.8);
  margin-right: -8px;
  flex-shrink: 0;
}
.hsp-text {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: rgba(80,80,90,0.85);
  line-height: 1.4;
  margin-left: 16px;
}
.hsp-text strong { color: rgba(40,40,50,0.9); }

/* ── COST OF INACTION BRIDGE ── */
.inaction-bridge {
  background: #0f0f12;
  padding: 72px 0;
  text-align: center;
}
.inaction-bridge .container { max-width: 680px; }
.ib-prefix {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(160,160,175,0.65);
  margin-bottom: 16px;
}
.ib-count-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 14px;
  margin: 8px 0 16px;
}
.ib-count {
  font-family: var(--font-mono);
  font-size: 5rem;
  font-weight: 700;
  color: rgba(240,240,248,0.95);
  letter-spacing: -0.04em;
  line-height: 1;
  min-width: 140px;
  display: inline-block;
  text-align: right;
}
.ib-unit {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: rgba(160,160,175,0.6);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: left;
  max-width: 100px;
  line-height: 1.3;
}
.ib-suffix {
  font-family: var(--font-body);
  font-size: 1rem;
  color: rgba(180,180,195,0.8);
  line-height: 1.65;
  margin-bottom: 28px;
}
.ib-cta {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(240,240,248,0.9);
  border: 1px solid rgba(200,200,210,0.3);
  border-radius: 3px;
  padding: 10px 24px;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}
.ib-cta:hover { background: rgba(240,240,248,0.08); border-color: rgba(200,200,210,0.6); }

/* ── TESTIMONIALS ── */
.testimonials-block {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.testimonial {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 24px;
  background: rgba(249,249,247,1);
  position: relative;
}
.testimonial::before {
  content: '"';
  position: absolute;
  top: 12px; left: 20px;
  font-family: var(--font-serif);
  font-size: 3rem;
  line-height: 1;
  color: rgba(0,82,204,0.15);
  pointer-events: none;
}
.testimonial-quote {
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text);
  font-style: italic;
  margin: 0 0 14px;
  padding-top: 8px;
}
.testimonial-cite {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(100,100,120,0.7);
  display: block;
}

/* ── BUY URGENCY ROW ── */
.buy-urgency-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
  padding: 24px;
  background: #0f0f12;
  border-radius: 4px;
  border: 1px solid rgba(200,200,210,0.1);
}
/* countdown */
.buy-countdown { display: flex; flex-direction: column; gap: 12px; }
.bcd-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(160,160,175,0.6);
}
.bcd-timer {
  display: flex;
  gap: 12px;
}
.bcd-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.bcd-unit span {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: rgba(240,240,248,0.95);
  line-height: 1;
  letter-spacing: -0.03em;
  min-width: 52px;
  text-align: center;
}
.bcd-unit em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(160,160,175,0.5);
}
.bcd-note {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: rgba(160,160,175,0.55);
  line-height: 1.6;
}
/* recent deployments */
.recent-deployments {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-left: 1px solid rgba(200,200,210,0.1);
  padding-left: 24px;
}
.rd-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(160,160,175,0.6);
}
.rd-list {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.rd-list li {
  display: flex;
  gap: 14px;
  align-items: baseline;
}
.rd-when {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: rgba(130,130,150,0.6);
  flex-shrink: 0;
  width: 54px;
}
.rd-who {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: rgba(210,210,220,0.82);
}

/* ── BUY CARD SCARCITY ── */
.buy-scarcity {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 8px;
}
.scarcity-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #f87171;
  flex-shrink: 0;
  animation: ubpulse 1.8s ease-in-out infinite;
}
.scarcity-text {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: rgba(248,113,113,0.9);
  text-transform: uppercase;
}

/* responsive adjustments */
@media (max-width: 900px) {
  .testimonials-block { grid-template-columns: 1fr; }
  .buy-urgency-row { grid-template-columns: 1fr; }
  .recent-deployments { border-left: none; padding-left: 0; border-top: 1px solid rgba(200,200,210,0.1); padding-top: 16px; }
  .urgency-bar-inner { gap: 8px; font-size: 0.55rem; }
  .ub-sep { display: none; }
  .ub-item:not(:first-child) { display: none; }
}
@media (max-width: 600px) {
  .hsp-text { font-size: 0.68rem; }
  .ib-count { font-size: 3.5rem; }
}

/* ── BIO POD ── */
.bio-pod {
  position: absolute;
  background: rgba(24,24,27,0.96);
  border: 1px solid rgba(200,200,210,0.28);
  border-radius: 6px;
  padding: 16px 18px;
  width: 270px;
  pointer-events: none;
  z-index: 2;
  opacity: 0.92;
  will-change: transform, opacity;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5), inset 0 0 0 1px rgba(255,255,255,0.04);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.bio-pod--1 { top: 16%; right: 2%; }

/* header */
.bio-pod-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(200,200,210,0.12);
}
.bio-pod-session {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(200,200,210,0.7);
}
.bio-pod-status-wrap {
  display: flex;
  align-items: center;
  gap: 5px;
}
.bio-pod-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #6ee7b7;
  flex-shrink: 0;
  animation: bpdot 2s ease-in-out infinite;
}
@keyframes bpdot { 0%,100%{opacity:1;} 50%{opacity:0.2;} }
.bio-pod-dot-lbl {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  color: rgba(110,231,183,0.75);
  text-transform: uppercase;
}

/* signal rows */
.bio-pod-signals { display: flex; flex-direction: column; gap: 6px; margin-bottom: 0; }
.bio-pod-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.bio-pod-sig-ch {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  color: rgba(160,160,175,0.55);
  width: 34px;
  flex-shrink: 0;
}
.bio-pod-sig-lbl {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  color: rgba(200,200,212,0.75);
  flex: 1;
}
.bio-pod-sig-val {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: rgba(240,240,245,0.95);
  letter-spacing: -0.01em;
  text-align: right;
}
.bio-pod-sig-val em {
  font-style: normal;
  font-size: 0.58rem;
  color: rgba(160,160,175,0.6);
  margin-left: 2px;
}

/* rule */
.bio-pod-rule {
  height: 1px;
  background: rgba(200,200,210,0.14);
  margin: 11px 0;
}

/* sections */
.bio-pod-section { display: flex; flex-direction: column; gap: 5px; }
.bio-pod-section-lbl {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(160,160,175,0.6);
  margin-bottom: 2px;
}
.bio-pod-inference {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: rgba(225,225,232,0.88);
  line-height: 1.5;
}

/* meters */
.bio-pod-meter-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.bio-pod-meter-lbl {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  color: rgba(160,160,175,0.65);
  width: 50px;
  flex-shrink: 0;
}
.bio-pod-bar {
  flex: 1;
  height: 4px;
  background: rgba(200,200,210,0.12);
  border-radius: 2px;
  overflow: hidden;
}
.bio-pod-bar-fill {
  height: 100%;
  background: rgba(220,220,230,0.7);
  border-radius: 2px;
  transition: width 0.8s ease;
  width: 72%;
}
.bio-pod-bar-fill--hi { background: rgba(230,230,240,0.88); }
.bio-pod-meter-val {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  color: rgba(235,235,242,0.88);
  width: 32px;
  text-align: right;
  flex-shrink: 0;
}

/* ground truth */
.bio-pod-gt-output {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: rgba(240,240,248,0.92);
  line-height: 1.55;
  font-style: italic;
}

.pod-line { fill: none; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.pod-line--blue { stroke: rgba(180,180,200,0.5); }

/* ── SCAN LINE ── */
.hero-scan-line {
  position: absolute; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(0,82,204,0.18) 30%, rgba(0,229,255,0.12) 50%, rgba(0,82,204,0.18) 70%, transparent 100%);
  pointer-events: none;
  z-index: 2;
  animation: scanDown 14s linear infinite;
}
@keyframes scanDown {
  0% { top: 0%; opacity: 0; }
  3% { opacity: 1; }
  97% { opacity: 0.7; }
  100% { top: 100%; opacity: 0; }
}

/* ── STATUS BAR ── */
.hero-status-bar {
  position: absolute;
  bottom: 72px;
  left: 48px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 5;
  pointer-events: none;
}
.hsb-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 10px rgba(52,211,153,0.8);
  flex-shrink: 0;
  animation: hsbPulse 2.2s ease-in-out infinite;
}
@keyframes hsbPulse { 0%,100%{box-shadow:0 0 4px rgba(52,211,153,0.5);} 50%{box-shadow:0 0 18px rgba(52,211,153,1);} }
.hsb-text {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(52,211,153,0.6);
}
.hsb-sep { color: rgba(255,255,255,0.15); font-family: var(--font-mono); font-size: 0.6rem; }
.hsb-ts { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; color: rgba(0,180,255,0.5); }

/* ── CROSSHAIRS ── */
.xhair {
  position: absolute;
  color: rgba(0,82,204,0.07);
  pointer-events: none;
  z-index: 1;
  animation: xpulse 7s ease-in-out infinite;
}
.xhair--1 { top: 14%; left: 6%; animation-delay: 0s; }
.xhair--2 { top: 62%; left: 2%; animation-delay: 1.8s; }
.xhair--3 { top: 28%; right: 4%; animation-delay: 3.5s; }
.xhair--4 { bottom: 22%; right: 14%; animation-delay: 1s; }
@keyframes xpulse { 0%,100%{opacity:0.4; transform:scale(1);} 50%{opacity:0.7; transform:scale(1.08);} }

/* ── ECG DIVIDER ── */
.ecg-divider {
  height: 32px;
  overflow: hidden;
  padding: 0 5%;
  opacity: 0.45;
}
.ecg-svg { width: 100%; height: 32px; display: block; }
.ecg-trace {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.2;
  stroke-linecap: round;
  stroke-dasharray: 2400;
  stroke-dashoffset: 2400;
}
.ecg-divider.ecg-animated .ecg-trace {
  animation: ecgDraw 3s cubic-bezier(0.4,0,0.2,1) forwards;
}
@keyframes ecgDraw { to { stroke-dashoffset: 0; } }

/* ── CHAPTER MARKS ── */
.chapter-mark {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 52px;
  opacity: 0.55;
}
.cm-num {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  white-space: nowrap;
}
.cm-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}
.cm-rule { flex: 1; height: 1px; background: var(--border); }
.section--dark .cm-num { color: rgba(0,180,255,0.5); }
.section--dark .cm-label { color: rgba(255,255,255,0.22); }
.section--dark .cm-rule { background: rgba(255,255,255,0.07); }

/* ── SPECIMEN STAMP ── */
.specimen-stamp {
  position: absolute;
  top: 14px; right: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  pointer-events: none;
  opacity: 0.28;
  transform: rotate(3deg);
  transform-origin: center;
}
.ss-word {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  padding: 3px 8px;
  border-radius: 2px;
  display: block;
}
.ss-ref {
  font-family: var(--font-mono);
  font-size: 0.48rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}
/* spec-card--catalogue needs position:relative if not already */
.spec-card--catalogue, .buy-card { position: relative; }

/* ── PULL QUOTE WAVE ── */
.pq-wrap { display: flex; flex-direction: column; gap: 0; }
.pq-wave { width: 100%; height: 18px; display: block; margin-bottom: 6px; opacity: 0.6; }

/* ── BUILD REF STRIP ── */
.build-ref-strip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  background: var(--bg-surface);
  margin-bottom: 28px;
}
.brs-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.brs-val {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.brs-sep { color: var(--text-muted); font-size: 0.7rem; }
.brs-ts {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── GLITCH on hero h1 hover ── */
@keyframes glitch {
  0%,100% { text-shadow: none; transform: none; }
  10% { text-shadow: -2px 0 rgba(0,82,204,0.7), 2px 0 rgba(200,50,50,0.4); }
  20% { text-shadow: 2px 0 rgba(0,82,204,0.7), -2px 0 rgba(200,50,50,0.4); transform: translate(-1px, 0); }
  30% { text-shadow: none; transform: none; }
  40% { text-shadow: -1px 0 rgba(0,229,255,0.6), 1px 0 rgba(200,50,50,0.3); transform: translate(1px, 0); }
  50%,100% { text-shadow: none; transform: none; }
}
.hero-headline:hover {
  animation: glitch 0.5s steps(2,end);
  cursor: default;
}

/* Extra small screens */
@media (max-width: 480px) {
  .hero-headline {
    font-size: 36px;
  }

  .hero-badges {
    flex-direction: column;
  }

  .variant-badge {
    justify-content: center;
  }

  .label-toggle {
    flex-direction: column;
    border-radius: var(--radius);
    align-self: stretch;
  }

  .label-toggle-btn {
    border-radius: var(--radius);
    text-align: center;
  }

  .step-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */

.about-body {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.about-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.about-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}

.about-block p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* Clients strip */
.about-clients {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.about-clients-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1;
}

.about-client-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}

.about-client-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  opacity: 0.55;
  transition: opacity 0.2s ease;
}

.about-client-name:hover {
  opacity: 1;
}

.about-client-sep {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1;
}

/* VC / investor block */
.about-vc {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 0 40px rgba(0,82,204,0.07);
}

.about-vc-inner {
  display: flex;
  align-items: flex-start;
  gap: 48px;
}

.about-vc-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-vc-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.about-vc-text p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.about-vc-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  flex-shrink: 0;
}

.about-vc-note {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  line-height: 1;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-vc-inner {
    flex-direction: column;
    gap: 28px;
  }

  .about-vc-cta {
    width: 100%;
  }

  .about-vc-cta .btn-primary {
    width: 100%;
    text-align: center;
  }
}