/* Self-hosted fonts (Inter v20, JetBrains Mono v24 — latin subset, variable) */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url(/fonts/inter-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url(/fonts/jetbrains-mono-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

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

:root {
  --text-primary: #e8e8ed;
  --text-secondary: #8e8e93;
  --text-dim: #8a8a8e;
  --accent: #00E0C8;        /* rine-400 */
  --accent-glow: #33F5DD;   /* rine-300 */
  --accent-muted: #00BBA8;  /* rine-500 */
  --signal: #FFB814;        /* signal-400 */
  --signal-glow: #FFD04F;   /* signal-300 */
  --signal-muted: #E0A000;  /* signal-500 */
  --surface-card: rgba(28, 28, 30, 0.65);
  --border: rgba(255, 255, 255, 0.06);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
}

html { scroll-behavior: smooth; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.5em 1em;
  background: var(--accent);
  color: #000;
  font-weight: 500;
  text-decoration: none;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

body {
  font-family: var(--font-sans);
  background: #000;
  color: var(--text-primary);
  overflow-x: clip; /* clip, not hidden — hidden breaks position:sticky in Firefox */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Three.js canvas */
#scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Content overlay */
.content {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

/* Dim canvas behind text — gradual fade from edges inward */
.content::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(90deg,
    transparent 0%,
    transparent 12%,
    rgba(0, 0, 0, 0.55) 25%,
    rgba(0, 0, 0, 0.72) 50%,
    rgba(0, 0, 0, 0.55) 75%,
    transparent 88%,
    transparent 100%
  );
}

/* Hero */
.hero {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto 1fr;
  align-items: center;
  justify-items: center;
  min-height: 100vh;
  text-align: center;
  padding: 2rem;
}

.hero-center {
  grid-row: 2;
}

.hero-logo {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 35%, var(--signal) 72%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 36ch;
  line-height: 1.6;
  font-weight: 300;
  letter-spacing: 0.01em;
}

/* Scroll indicator */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: drift 2.5s ease-in-out infinite;
  transition: opacity 0.4s ease;
}

.scroll-hint.hidden {
  opacity: 0;
  pointer-events: none;
}

.scroll-hint svg {
  width: 28px;
  height: 28px;
  stroke: var(--text-secondary);
  stroke-width: 1.2;
  filter: drop-shadow(0 0 6px var(--accent-glow));
  animation: arrow-pulse 2s ease-in-out infinite;
}

@keyframes arrow-pulse {
  0%, 100% { opacity: 0.6; filter: drop-shadow(0 0 4px transparent); }
  50% { opacity: 1; filter: drop-shadow(0 0 8px var(--accent-glow)); }
}

@keyframes drift {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* Steps section — scroll-driven sticky animation */
.steps {
  position: relative;
  height: 180vh;
}

.steps-track {
  position: -webkit-sticky;
  position: sticky;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center; /* fallback centering if flex fails */
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 2rem;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  flex: 0 1 200px;
  min-width: 120px;
}

/* Per-step colours: teal → amber gradient across steps */
.step:nth-child(1) {
  --chip: #33F5DD;
  --chip-a5: rgba(51, 245, 221, 0.5);
  --chip-a25: rgba(51, 245, 221, 0.25);
  --chip-a12: rgba(51, 245, 221, 0.12);
  --chip-a8: rgba(51, 245, 221, 0.8);
  --chip-a4: rgba(51, 245, 221, 0.4);
  --chip-a18: rgba(51, 245, 221, 0.18);
}
.step:nth-child(3) {
  --chip: #5EEEA8;
  --chip-a5: rgba(94, 238, 168, 0.5);
  --chip-a25: rgba(94, 238, 168, 0.25);
  --chip-a12: rgba(94, 238, 168, 0.12);
  --chip-a8: rgba(94, 238, 168, 0.8);
  --chip-a4: rgba(94, 238, 168, 0.4);
  --chip-a18: rgba(94, 238, 168, 0.18);
}
.step:nth-child(5) {
  --chip: #FFB814;
  --chip-a5: rgba(255, 184, 20, 0.5);
  --chip-a25: rgba(255, 184, 20, 0.25);
  --chip-a12: rgba(255, 184, 20, 0.12);
  --chip-a8: rgba(255, 184, 20, 0.8);
  --chip-a4: rgba(255, 184, 20, 0.4);
  --chip-a18: rgba(255, 184, 20, 0.18);
}

/* JS sets opacity and transform directly */

.step-num {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  border: 2px solid rgba(0, 224, 200, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 2.2rem;
  color: var(--text-dim);
  font-weight: 500;
  background: rgba(0, 224, 200, 0.04);
  position: relative;
  transition: border-color 0.6s, color 0.6s, background 0.6s, box-shadow 0.6s;
}

.step.arrived .step-num {
  border-color: var(--chip);
  color: var(--chip);
  background: var(--chip-a12);
  box-shadow:
    0 0 30px var(--chip-a5),
    0 0 60px var(--chip-a25),
    0 0 100px var(--chip-a12),
    inset 0 0 30px var(--chip-a12);
  animation: emissive-pulse 3s ease-in-out infinite;
}

@keyframes emissive-pulse {
  0%, 100% {
    box-shadow:
      0 0 30px var(--chip-a5),
      0 0 60px var(--chip-a25),
      0 0 100px var(--chip-a12),
      inset 0 0 30px var(--chip-a12);
  }
  50% {
    box-shadow:
      0 0 50px var(--chip-a8),
      0 0 90px var(--chip-a4),
      0 0 140px var(--chip-a18),
      inset 0 0 40px var(--chip-a18);
  }
}

/* Ring pulse on arrival */
.step.arrived .step-num::after {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1.5px solid var(--chip);
  animation: ring-pulse 1.2s ease-out forwards;
}

@keyframes ring-pulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(2); opacity: 0; }
}

/* Second ring on connection */
.step.connected .step-num::before {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1px solid var(--chip);
  animation: ring-pulse 0.8s ease-out 0.2s forwards;
  opacity: 0;
}

.step-label {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.step-code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent-glow);
  background: rgba(0, 224, 200, 0.08);
  padding: 0.4em 0.85em;
  border-radius: 6px;
  white-space: nowrap;
  border: 1px solid rgba(0, 224, 200, 0.12);
  min-height: 1.8em;
}

/* Typing cursor */
.step-code .step-cursor {
  display: inline-block;
  width: 0;
  border-right: 2px solid var(--accent-glow);
  margin-left: 2px;
  height: 1.1em;
  vertical-align: text-bottom;
  opacity: 0;
}

.step-code .step-cursor.typing {
  animation: blink-cursor 0.5s step-end infinite;
}

.step-code .step-cursor.done {
  animation: blink-cursor 0.8s step-end 3;
}

@keyframes blink-cursor {
  0%, 100% { opacity: 0; }
  50% { opacity: 1; }
}

.step-desc {
  font-size: 0.95rem;
  color: var(--text-dim);
  text-align: center;
  line-height: 1.5;
}

/* Connectors — L-shaped, height + position set by JS */
.step-connector {
  flex: 1 1 0;
  min-width: 40px;
  position: relative;
  overflow: visible;
  opacity: 0;
  /* height set by JS based on step Y-gap */
}

/* L-shape container — extends beyond connector via JS left/right */
.step-connector .conn-line {
  position: absolute;
  top: 0;
  bottom: 0;
  /* left and right set by JS to overlap step centers */
}

/* Vertical segment (left edge, top→bottom) */
.step-connector .conn-line::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 100%;
  background: rgba(255, 255, 255, 0.18);
  transform: scaleY(0);
  transform-origin: top center;
}

/* Horizontal segment (bottom edge, left→right) */
.step-connector .conn-line::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.18);
  transform: scaleX(0);
  transform-origin: left center;
}

/* Corner dot at the L bend */
.step-connector .conn-dot {
  position: absolute;
  bottom: -1.5px;
  left: -1.5px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  opacity: 0;
}

/* Active state */
.step-connector.active {
  opacity: 1;
}

/* Vertical draws down */
.step-connector.active .conn-line::before {
  animation: vert-reveal 0.35s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* Horizontal draws right after vertical finishes */
.step-connector.active .conn-line::after {
  animation: horiz-reveal 0.45s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
}

/* Corner dot pulses at the bend */
.step-connector.active .conn-dot {
  animation: corner-glow 0.3s ease 0.25s forwards;
}

/* Glow that sweeps along the horizontal */
.step-connector.active::before {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 7px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(0, 224, 200, 0.25) 40%,
    rgba(255, 255, 255, 0.35) 50%,
    rgba(0, 224, 200, 0.25) 60%,
    transparent 100%
  );
  background-size: 60px 100%;
  filter: blur(3px);
  opacity: 0;
  animation: glow-sweep-l 0.8s ease 0.3s forwards;
}

/* Arrival sparkle at horizontal end */
.step-connector.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  right: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 4px var(--signal-glow), 0 0 10px rgba(255, 184, 20, 0.4);
  opacity: 0;
  animation: sparkle-pop 0.4s ease 0.65s forwards;
}

@keyframes vert-reveal {
  0% { transform: scaleY(0); }
  100% { transform: scaleY(1); }
}

@keyframes horiz-reveal {
  0% { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}

@keyframes corner-glow {
  0% { opacity: 0; transform: scale(0); }
  50% { opacity: 1; transform: scale(1.6); }
  100% { opacity: 0.5; transform: scale(1); }
}

@keyframes glow-sweep-l {
  0% { background-position: -60px 0; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { background-position: calc(100% + 60px) 0; opacity: 0; }
}

@keyframes sparkle-pop {
  0% { opacity: 0; transform: scale(0); }
  35% { opacity: 1; transform: scale(1.5); }
  100% { opacity: 0; transform: scale(0); }
}

/* Section layout */
.sections {
  max-width: 900px;
  margin: 0 auto;
  padding: 6rem 2rem 8rem;
}

.section {
  padding: 4rem 0;
}

.section + .section {
  border-top: 1px solid var(--border);
}

.section-label {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1.25rem;
}

/* Recursive acronym reveal */
.acronym {
  display: inline-flex;
  gap: 0;
  font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: visible;
  /* Collapse: gap closes after last word collapses */
  transition: gap 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0s;
}

.acronym.revealed {
  gap: 0.6em;
  /* Expand: gap opens before first word */
  transition-delay: 0.2s;
}

/* Word containers — always visible, capitals show from the start */
.acronym-word {
  display: inline-flex;
  align-items: baseline;
  position: relative;
}

/* Initial letters — always visible */
.acronym-initial {
  display: inline-block;
  color: var(--accent-glow);
  font-weight: 600;
  text-shadow: 0 0 12px rgba(51, 245, 221, 0.3);
  transition: text-shadow 0.6s ease;
  /* Collapse: glow fades with reverse stagger */
  transition-delay: calc((3 - var(--i)) * 0.25s);
}

.acronym.revealed .acronym-initial {
  text-shadow: 0 0 24px rgba(51, 245, 221, 0.6), 0 0 48px rgba(51, 245, 221, 0.2);
  animation: initial-glow 1.2s ease-out calc(var(--i) * 0.35s + 0.4s) both;
  transition-delay: calc(var(--i) * 0.35s + 0.4s);
}

.acronym-punchline .acronym-initial {
  color: var(--signal-glow);
  text-shadow: 0 0 12px rgba(255, 184, 20, 0.3);
}

.acronym.revealed .acronym-punchline .acronym-initial {
  text-shadow: 0 0 24px rgba(255, 184, 20, 0.6), 0 0 48px rgba(255, 184, 20, 0.2);
  animation-name: initial-glow-signal;
}

@keyframes initial-glow {
  0% {
    text-shadow: 0 0 12px rgba(51, 245, 221, 0.3);
    transform: scale(1);
  }
  30% {
    text-shadow: 0 0 36px rgba(51, 245, 221, 0.9), 0 0 72px rgba(51, 245, 221, 0.4), 0 0 100px rgba(51, 245, 221, 0.15);
    transform: scale(1.15);
  }
  100% {
    text-shadow: 0 0 24px rgba(51, 245, 221, 0.6), 0 0 48px rgba(51, 245, 221, 0.2);
    transform: scale(1);
  }
}

@keyframes initial-glow-signal {
  0% {
    text-shadow: 0 0 12px rgba(255, 184, 20, 0.3);
    transform: scale(1);
  }
  30% {
    text-shadow: 0 0 36px rgba(255, 184, 20, 0.9), 0 0 72px rgba(255, 184, 20, 0.4), 0 0 100px rgba(255, 184, 20, 0.15);
    transform: scale(1.15);
  }
  100% {
    text-shadow: 0 0 24px rgba(255, 184, 20, 0.6), 0 0 48px rgba(255, 184, 20, 0.2);
    transform: scale(1);
  }
}

/* Expanding rest of each word — slim and light */
.acronym-expand {
  display: inline-block;
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  color: var(--text-secondary);
  font-weight: 300;
  transition: max-width 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.6s ease;
  /* Collapse: reverse stagger — last word closes first */
  transition-delay: calc((3 - var(--i)) * 0.25s);
}

.acronym.revealed .acronym-expand {
  max-width: 4em;
  opacity: 0.9;
  /* Expand: forward stagger — first word opens first */
  transition-delay: calc(var(--i) * 0.35s + 0.4s);
}

/* Punchline emphasis on "Not" */
.acronym-punchline .acronym-expand {
  color: var(--signal-muted);
  font-weight: 400;
}

.acronym.revealed .acronym-punchline .acronym-expand {
  opacity: 0.75;
}

/* Floating particles — two per word via pseudo-elements */
.acronym-word::before,
.acronym-word::after {
  content: '';
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent-glow);
  opacity: 0;
  pointer-events: none;
  left: 50%;
  bottom: 0;
}

.acronym-word::before {
  --dx: -6px;
  --dy: -28px;
}

.acronym-word::after {
  --dx: 8px;
  --dy: -38px;
  width: 2px;
  height: 2px;
}

.acronym-punchline::before,
.acronym-punchline::after {
  background: var(--signal);
}

.acronym.revealed .acronym-word::before,
.acronym.revealed .acronym-word::after {
  animation: acronym-particle 1.8s ease-out calc(var(--i) * 0.35s + 0.6s) forwards;
}

.acronym.revealed .acronym-word::after {
  animation-delay: calc(var(--i) * 0.35s + 0.9s);
  animation-duration: 2.2s;
}

@keyframes acronym-particle {
  0% {
    opacity: 0;
    transform: translate(0, 0) scale(0);
  }
  15% {
    opacity: 0.8;
    transform: translate(0, -4px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(var(--dx), var(--dy)) scale(0.3);
  }
}

.section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.section p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1rem;
  max-width: 55ch;
}

/* Feature grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.feature-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-card);
  backdrop-filter: blur(16px);
  transition: border-color 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(0, 224, 200, 0.3);
}

.feature-icon {
  width: 32px;
  height: 32px;
  margin-bottom: 0.75rem;
  color: var(--accent-glow);
}

.feature-card h3 {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* Agent callout */
.agent-callout {
  margin-top: 3rem;
  padding: 2rem;
  border: 1px solid rgba(255, 184, 20, 0.15);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(255, 184, 20, 0.04) 0%, rgba(28, 28, 30, 0.5) 100%);
  backdrop-filter: blur(16px);
}

.agent-callout-title {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.agent-callout p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.agent-callout code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--accent-glow);
  background: rgba(0, 224, 200, 0.1);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

/* Agent callout — hero variant (compact, pinned to bottom of viewport) */
.agent-callout-hero {
  grid-row: 3;
  align-self: end;
  padding: 1rem 1.5rem;
  max-width: 560px;
  margin-bottom: 1rem;
  transition: opacity 0.6s ease;
}

/* Protocol cards */
.protocol-stack {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 2rem;
}

.protocol-layer {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-card);
  backdrop-filter: blur(12px);
  font-size: 0.85rem;
}

.protocol-layer .layer-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  min-width: 5ch;
  letter-spacing: 0.05em;
}

.protocol-layer .layer-name {
  color: var(--text-primary);
  font-weight: 500;
}

.protocol-layer .layer-desc {
  color: var(--text-dim);
  margin-left: auto;
  font-size: 0.8rem;
}

/* Footer */
.footer {
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.8rem;
}

.footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

/* Responsive */
@media (max-width: 640px) {
  .sections { padding: 0 1.25rem 6rem; }
  .section { padding: 3rem 0; }
  .features { grid-template-columns: 1fr; }
  .protocol-layer .layer-desc { display: none; }
  .acronym { font-size: 1.2rem; }
  .acronym.revealed { gap: 0.4em; }
  .steps { height: auto; padding: 3rem 1.25rem; }
  .steps-track {
    position: static;
    transform: none;
    flex-direction: column;
    align-items: center;
  }
  .step { flex: 0 0 220px; opacity: 1 !important; transform: none !important; }
  .step.arrived .step-num { border-color: var(--chip); color: var(--chip); }
  .step-num { width: 90px; height: 90px; font-size: 1.8rem; }
  .step-connector {
    flex: 0 0 auto;
    min-width: 0;
    width: 2px;
    height: 32px !important;
    opacity: 1 !important;
    transform: none !important;
  }
  .step-connector .conn-line::before {
    transform: scaleY(1) !important;
  }
  .step-connector .conn-line::after,
  .step-connector .conn-dot { display: none; }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  #scene { display: none; }
}

/* Screen-reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}