/**
 * 4CZNZ shared substrate environment — corridor ambience, ambient beam line (fallback),
 * optional full traversal rail stack ([data-substrate-stage]), route navigation.
 * Optional --ri-stage-beam-plane-shift on a section shifts only the traversal rail stack down (px); defaults to 0.
 * Load after page base styles. Hero pages should not load this layer on the hero shell.
 */

:root{
  --sb-ease:cubic-bezier(.2,.8,.2,1);
  --sb-brand:#00e5c0;
  --sb-brand-glow:rgba(0,229,192,.34);
  --sb-page-max:min(1180px, calc(100vw - 36px));
  --sb-section-pad-y:clamp(72px, 12vw, 104px);
  --sb-grid-gap:clamp(32px, 5vw, 72px);
  --sb-copy-col:minmax(320px, 520px);
  --sb-ambient-beam-y:clamp(104px, 18vh, 168px);
  --sb-text:#eef7ff;
  --sb-muted:#a9bfce;
  --sb-muted-2:#7892a5;
  --sb-bg-0:#000205;
  --sb-bg-1:#02070d;
  --sb-bg-2:#06131c;
}

/* --- Horizontal-site layout primitives (761px split = desktop rhythm) --- */
.section{
  position:relative;
  width:var(--sb-page-max);
  margin:0 auto;
  padding:var(--sb-section-pad-y) 0;
}

.section > *{
  position:relative;
  z-index:1;
}

.section-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:var(--sb-grid-gap);
  align-items:center;
}

.section-head,
.section-body{
  position:relative;
  min-width:0;
}

@media (min-width:761px){
  .section .section-layout{
    grid-template-columns:var(--sb-copy-col) 1fr;
    gap:var(--sb-grid-gap);
    align-items:center;
  }
}

.eyebrow{
  display:inline-flex;
  width:fit-content;
  align-items:center;
  gap:8px;
  padding:9px 12px;
  border:1px solid rgba(0,229,192,.2);
  border-radius:999px;
  background:rgba(0,229,192,.07);
  color:#9effee;
  font-size:10px;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.20em;
  text-shadow:0 1px 14px rgba(0,0,0,.5);
}

.eyebrow::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--sb-brand);
  box-shadow:0 0 14px var(--sb-brand-glow);
}

.section-title{
  margin:18px 0 0;
  max-width:min(520px,100%);
  font-size:clamp(36px,4.8vw,72px);
  line-height:.95;
  letter-spacing:-.06em;
  font-weight:850;
  color:var(--sb-text, #eef7ff);
}

.section-copy{
  margin:20px 0 0;
  max-width:min(520px,100%);
  color:var(--sb-muted, #a9bfce);
  font-size:17px;
  line-height:1.8;
}

.infra-infer-wrap{margin:16px 0 0}

.infra-infer{
  display:inline-block;
  font-size:12px;
  font-weight:650;
  letter-spacing:.06em;
  color:var(--sb-muted-2, #7892a5);
  text-decoration:none;
  border-bottom:1px solid rgba(0,229,192,.22);
  padding-bottom:2px;
  transition:color .2s var(--sb-ease), border-color .2s var(--sb-ease), text-shadow .2s var(--sb-ease);
}

.infra-infer:hover{
  color:var(--sb-brand);
  border-color:rgba(0,229,192,.45);
  text-shadow:0 0 18px rgba(0,229,192,.12);
}

.footer.substrate-footer{
  width:var(--sb-page-max);
  margin:0 auto;
  padding:32px 0 40px;
  color:var(--sb-muted-2);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.055);
  font-size:13px;
}

.footer.substrate-footer a{
  color:#9effee;
  text-decoration:none;
}

.footer.substrate-footer a:focus-visible{
  outline:2px solid var(--sb-brand);
  outline-offset:3px;
  border-radius:2px;
}

@media (max-width:640px){
  .footer.substrate-footer{flex-direction:column}
}

.visually-hidden{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

/* Standalone substrate documents (e.g. reasoning-infrastructure) */
html.substrate-doc{scroll-behavior:smooth}

body.substrate-doc{
  margin:0;
  min-height:100vh;
  overflow-x:hidden;
  color:var(--sb-text);
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 10% 0%, rgba(0,229,192,.06), transparent 26%),
    radial-gradient(circle at 88% 14%, rgba(0,229,192,.05), transparent 18%),
    linear-gradient(180deg,var(--sb-bg-0),var(--sb-bg-1) 40%,var(--sb-bg-2));
}

body.substrate-doc::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.055;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:40px 40px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.75), rgba(0,0,0,.08));
}

body.substrate-doc a{color:inherit}
body.substrate-doc button,
body.substrate-doc a{font:inherit}

.substrate-doc-shell{position:relative;z-index:1}

body.substrate-doc .site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px clamp(18px,4vw,52px);
  background:linear-gradient(180deg, rgba(0,2,5,.9), rgba(0,2,5,.38));
  border-bottom:1px solid rgba(255,255,255,.05);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}

body.substrate-doc .brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
}

body.substrate-doc .brand-mark{
  width:40px;
  height:40px;
  border-radius:50%;
  display:grid;
  place-items:center;
  border:1px solid rgba(0,229,192,.3);
  background:radial-gradient(circle, rgba(0,229,192,.18), rgba(255,255,255,.02) 48%, rgba(0,0,0,.35));
  box-shadow:0 0 28px rgba(0,229,192,.14), inset 0 0 18px rgba(0,229,192,.08);
}

@media (min-width:761px){
  body.substrate-doc .brand-mark{
    width:52px;
    height:52px;
  }
}

body.substrate-doc .brand-logo{
  width:90%;
  height:90%;
  object-fit:contain;
  display:block;
}

body.substrate-doc .brand-copy{display:grid;gap:2px}
body.substrate-doc .brand-name{font-weight:850;letter-spacing:-.05em;line-height:1}
body.substrate-doc .brand-sub{font-size:10px;text-transform:uppercase;letter-spacing:.16em;color:var(--sb-muted-2)}

body.substrate-doc .nav{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  justify-content:flex-end;
}

body.substrate-doc .nav a{
  text-decoration:none;
  color:#d8e8f2;
  font-size:11px;
  font-weight:750;
  text-transform:uppercase;
  letter-spacing:.14em;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid transparent;
  transition:border-color .22s var(--sb-ease), background .22s var(--sb-ease), transform .22s var(--sb-ease);
}

body.substrate-doc .nav a:hover{
  border-color:rgba(0,229,192,.26);
  background:rgba(0,229,192,.06);
  transform:translateY(-1px);
}

body.substrate-doc main{padding-top:88px}

/* --- Corridor + drift on section shells (non-hero content) --- */
.section.substrate-environment{
  position:relative;
  isolation:isolate;
}

.section.substrate-environment::before{
  content:"";
  position:absolute;
  inset:-15% -8%;
  pointer-events:none;
  z-index:0;
  opacity:.035;
  background:
    radial-gradient(ellipse 55% 45% at 18% 38%, rgba(0,229,192,.7), transparent 62%),
    radial-gradient(ellipse 40% 38% at 92% 72%, rgba(0,229,192,.45), transparent 58%);
  animation:sbEnvDrift 22s ease-in-out infinite;
}

@keyframes sbEnvDrift{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(1.2%,-.8%) scale(1.02)}
}

/* Corridor wash — full definition so standalone substrate-doc pages render without horizontal-site.css */
.section.substrate-environment::after{
  content:"";
  position:absolute;
  inset:-12% -14% 8% -14%;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(ellipse 125% 36% at 58% 43%, rgba(0,229,192,.075), transparent 58%),
    radial-gradient(ellipse 95% 26% at 54% 46%, rgba(0,229,192,.038), transparent 62%),
    radial-gradient(circle at 70% 50%, rgba(0,229,192,.04), transparent 60%);
  opacity:.52;
  animation:sbCorridorBreath 18s ease-in-out infinite;
  transform-origin:58% 44%;
  transition:filter 1.35s var(--sb-ease), transform 1.35s var(--sb-ease), opacity 1.35s var(--sb-ease);
}

@keyframes sbCorridorBreath{
  0%,100%{opacity:.48}
  50%{opacity:.58}
}

@media (max-width:760px){
  .section.substrate-environment::after{
    inset:-8% -10%;
    opacity:.38;
    background:radial-gradient(ellipse 88% 42% at 50% 48%, rgba(0,229,192,.055), transparent 62%);
    animation:none;
  }
}

/* Opt-in full traversal rail replaces decorative ambient line (reasoning extraction, etc.) */
@media (min-width:761px){
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) > .section-layout::before{
    opacity:0 !important;
    visibility:hidden;
    pointer-events:none;
  }
}

/* Site-wide ambient traversal line (desktop): matches reasoning beam elevation */
@media (min-width:761px){
  body.system-mode section.section.substrate-environment > .section-layout::before{
    opacity:0;
  }

  section.section.substrate-environment > .section-layout{
    position:relative;
  }
  section.section.substrate-environment > .section-layout::before{
    content:"";
    position:absolute;
    left:-12%;
    right:-12%;
    top:var(--sb-ambient-beam-y);
    height:2px;
    transform:translateY(-50%);
    pointer-events:none;
    z-index:0;
    opacity:.46;
    background:linear-gradient(
      90deg,
      rgba(0,229,192,.028) 0%,
      rgba(0,229,192,.11) 28%,
      rgba(0,229,192,.145) 50%,
      rgba(0,229,192,.108) 72%,
      rgba(0,229,192,.028) 100%
    );
    box-shadow:
      0 0 3px rgba(0,229,192,.14),
      0 0 22px rgba(0,229,192,.09),
      0 0 52px rgba(0,229,192,.055),
      0 0 110px rgba(0,229,192,.028);
    filter:blur(.35px);
    -webkit-mask-image:linear-gradient(90deg, transparent 0%, #000 1.5%, #000 98.5%, transparent 100%);
    mask-image:linear-gradient(90deg, transparent 0%, #000 1.5%, #000 98.5%, transparent 100%);
  }
}


/* ========= Traversal rail stack — lives in :is(.ri-support-inner,.hs-ri-support-inner) with nodes ([data-substrate-stage]) ========= */
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support-inner,.hs-ri-support-inner){
  position:relative;
  isolation:isolate;
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support-inner,.hs-ri-support-inner) > :is(.ri-rail-stack,.hs-ri-rail-stack){
  position:absolute;
  inset:0;
  pointer-events:none;
  z-index:0;
}

@media (max-width:760px){
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support-inner,.hs-ri-support-inner) > :is(.ri-rail-stack,.hs-ri-rail-stack){
    inset:clamp(4px, 1.5vh, 12px) 5% clamp(12px, 3.5vh, 28px) 5%;
  }
}

@media (min-width:761px){
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support-inner,.hs-ri-support-inner) > :is(.ri-rail-stack,.hs-ri-rail-stack){
    left:-22%;
    right:-22%;
    top:calc(var(--sb-ambient-beam-y) - var(--ri-support-pad-top, 0px) + var(--ri-stage-beam-plane-shift, 0px));
    bottom:auto;
    width:auto;
    height:clamp(42px, 6.5vh, 58px);
    transform:translateY(-50%);
  }
}

:is(.ri-rail,.hs-ri-rail){
  position:absolute;
  left:50%;
  top:0;
  bottom:0;
  width:1px;
  transform:translateX(-50%);
  border-radius:999px;
  background:linear-gradient(180deg,
    rgba(0,229,192,.1) 0%,
    rgba(0,229,192,.26) 45%,
    rgba(0,229,192,.16) 100%);
  box-shadow:0 0 10px rgba(0,229,192,.045);
  animation:riRailBreath 11s ease-in-out infinite;
  transition:filter 1.25s var(--sb-ease), box-shadow 1.25s var(--sb-ease), opacity 1.25s var(--sb-ease);
}

@keyframes riRailBreath{
  0%,100%{opacity:.78}
  50%{opacity:1}
}

@media (min-width:761px){
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support-inner,.hs-ri-support-inner) > :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail,.hs-ri-rail){
    left:0;
    right:0;
    top:50%;
    bottom:auto;
    width:auto;
    height:1px;
    transform:translateY(-50%);
    background:linear-gradient(90deg,
      rgba(0,229,192,.018) 0%,
      rgba(0,229,192,.048) 14%,
      rgba(0,229,192,.098) 38%,
      rgba(0,229,192,.132) 52%,
      rgba(0,229,192,.102) 76%,
      rgba(0,229,192,.062) 100%);
    box-shadow:
      0 0 20px rgba(0,229,192,.065),
      0 0 46px rgba(0,229,192,.038),
      0 0 88px rgba(0,229,192,.02);
    -webkit-mask-image:linear-gradient(90deg, transparent 0%, rgba(0,0,0,.35) 4%, #000 11%, #000 96%, rgba(0,0,0,.4) 100%);
    mask-image:linear-gradient(90deg, transparent 0%, rgba(0,0,0,.35) 4%, #000 11%, #000 96%, rgba(0,0,0,.4) 100%);
  }

  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(2):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) .ri-rail,
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(2):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail,.hs-ri-rail){
    background:linear-gradient(90deg,
      rgba(0,229,192,.018) 0%,
      rgba(0,229,192,.052) 22%,
      rgba(0,229,192,.118) 46%,
      rgba(0,229,192,.14) 52%,
      rgba(0,229,192,.105) 72%,
      rgba(0,229,192,.058) 100%);
    box-shadow:
      0 0 12px rgba(0,229,192,.048),
      0 0 26px rgba(0,229,192,.078),
      0 0 48px rgba(0,229,192,.034);
    -webkit-mask-image:linear-gradient(90deg, transparent 0%, rgba(0,0,0,.52) 6%, #000 13%, #000 94%, rgba(0,0,0,.85) 100%);
    mask-image:linear-gradient(90deg, transparent 0%, rgba(0,0,0,.52) 6%, #000 13%, #000 94%, rgba(0,0,0,.85) 100%);
  }

  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) .ri-rail,
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail,.hs-ri-rail){
    background:linear-gradient(90deg,
      rgba(0,229,192,.012) 0%,
      rgba(0,229,192,.038) 18%,
      rgba(0,229,192,.078) 42%,
      rgba(0,229,192,.096) 52%,
      rgba(0,229,192,.082) 74%,
      rgba(0,229,192,.048) 100%);
    box-shadow:
      0 0 22px rgba(0,229,192,.042),
      0 0 52px rgba(0,229,192,.02);
  }
}

:is(.ri-rail-mark,.hs-ri-rail-mark){
  position:absolute;
  left:50%;
  top:0;
  bottom:0;
  width:1px;
  transform:translateX(-50%);
  background:repeating-linear-gradient(
    180deg,
    transparent 0,
    transparent calc(33.33% - 2px),
    rgba(255,255,255,.07) calc(33.33% - 1px),
    rgba(255,255,255,.07) calc(33.33% + 1px),
    transparent calc(33.33% + 2px),
    transparent calc(66.66% - 2px),
    rgba(255,255,255,.07) calc(66.66% - 1px),
    rgba(255,255,255,.07) calc(66.66% + 1px),
    transparent calc(66.66% + 2px),
    transparent 100%
  );
  opacity:.55;
  mix-blend-mode:screen;
  transition:opacity 1.15s var(--sb-ease);
}

@media (min-width:761px){
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support-inner,.hs-ri-support-inner) > :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-mark,.hs-ri-rail-mark){
    left:0;
    right:0;
    top:50%;
    bottom:auto;
    height:1px;
    width:auto;
    transform:translateY(-50%);
    background:repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent calc(33.33% - 2px),
      rgba(255,255,255,.07) calc(33.33% - 1px),
      rgba(255,255,255,.07) calc(33.33% + 1px),
      transparent calc(33.33% + 2px),
      transparent calc(66.66% - 2px),
      rgba(255,255,255,.07) calc(66.66% - 1px),
      rgba(255,255,255,.07) calc(66.66% + 1px),
      transparent calc(66.66% + 2px),
      transparent 100%
    );
  }

  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(1):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-mark,.hs-ri-rail-mark),
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(1):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-mark,.hs-ri-rail-mark){
    opacity:.74;
  }

  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-mark,.hs-ri-rail-mark),
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-mark,.hs-ri-rail-mark){
    opacity:.42;
  }
}

:is(.ri-rail-shimmer,.hs-ri-rail-shimmer){
  position:absolute;
  left:50%;
  top:0;
  bottom:0;
  width:28px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,
    transparent 0%,
    rgba(0,229,192,.06) 45%,
    transparent 100%);
  background-size:100% 180%;
  opacity:.35;
  animation:riShimmerVt 14s ease-in-out infinite;
  mix-blend-mode:screen;
  transition:opacity 1.2s var(--sb-ease), filter 1.2s var(--sb-ease);
}

@keyframes riShimmerVt{
  0%{background-position:0 -40%}
  100%{background-position:0 140%}
}

@media (min-width:761px){
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support-inner,.hs-ri-support-inner) > :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-shimmer,.hs-ri-rail-shimmer){
    left:0;
    right:0;
    top:50%;
    bottom:auto;
    height:22px;
    width:auto;
    transform:translateY(-50%);
    background:linear-gradient(90deg,
      transparent 0%,
      rgba(0,229,192,.07) 48%,
      transparent 100%);
    background-size:220% 100%;
    opacity:.26;
    animation:riShimmerHz 16s linear infinite;
  }

  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(2):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-shimmer,.hs-ri-rail-shimmer),
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(2):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-shimmer,.hs-ri-rail-shimmer){
    opacity:.34;
    animation-duration:11.5s;
    filter:saturate(1.12);
  }

  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-shimmer,.hs-ri-rail-shimmer),
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-shimmer,.hs-ri-rail-shimmer){
    opacity:.16;
    animation-duration:22s;
    filter:saturate(.92);
  }
}

@keyframes riShimmerHz{
  0%{background-position:-60% 0}
  100%{background-position:160% 0}
}

:is(.ri-rail-particles,.hs-ri-rail-particles){
  position:absolute;
  left:50%;
  top:0;
  bottom:0;
  width:6px;
  transform:translateX(-50%);
}

@media (min-width:761px){
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support-inner,.hs-ri-support-inner) > :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-particles,.hs-ri-rail-particles){
    left:0;
    right:0;
    top:50%;
    bottom:auto;
    height:8px;
    width:auto;
    transform:translateY(-50%);
  }
}

:is(.ri-particle,.hs-ri-particle){
  position:absolute;
  left:50%;
  width:2px;
  height:2px;
  border-radius:50%;
  background:rgba(0,229,192,.4);
  box-shadow:0 0 6px rgba(0,229,192,.25);
  transform:translateX(-50%);
  animation:riParticleVt 14s linear infinite;
  opacity:0;
  transition:filter .8s var(--sb-ease);
}

:is(.ri-particle,.hs-ri-particle):nth-child(2){animation-delay:-4.5s}
:is(.ri-particle,.hs-ri-particle):nth-child(3){animation-delay:-9s}

@keyframes riParticleVt{
  0%{top:0; opacity:0}
  8%{opacity:.55}
  92%{opacity:.45}
  100%{top:calc(100% - 2px); opacity:0}
}

@media (min-width:761px){
  :is(.ri-particle,.hs-ri-particle){
    top:50%;
    left:0;
    transform:translateY(-50%);
    animation:riParticleHz 12s linear infinite;
  }
  :is(.ri-particle,.hs-ri-particle):nth-child(2){animation-delay:-4s}
  :is(.ri-particle,.hs-ri-particle):nth-child(3){animation-delay:-8s}

  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(2):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-particle,.hs-ri-particle),
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(2):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-particle,.hs-ri-particle){
    animation-duration:9.5s;
    filter:saturate(1.15);
  }

  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-particle,.hs-ri-particle),
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-particle,.hs-ri-particle){
    animation-duration:15s;
    filter:saturate(.88);
  }
}

@keyframes riParticleHz{
  0%{left:-2%; opacity:0}
  6%{opacity:.5}
  94%{opacity:.4}
  100%{left:102%; opacity:0}
}

:is(.ri-rail-zone,.hs-ri-rail-zone){
  position:absolute;
  opacity:0;
  transition:opacity 1.05s var(--sb-ease);
  pointer-events:none;
}

:is(.ri-rail-zone--1,.hs-ri-rail-zone--1){
  left:50%;
  top:0;
  height:33%;
  width:36px;
  transform:translate(-50%, 0);
  background:radial-gradient(ellipse 45% 55% at 50% 30%, rgba(0,229,192,.14), transparent 72%);
}

:is(.ri-rail-zone--2,.hs-ri-rail-zone--2){
  left:50%;
  top:33%;
  height:34%;
  width:36px;
  transform:translate(-50%, 0);
  background:radial-gradient(ellipse 45% 55% at 50% 50%, rgba(0,229,192,.14), transparent 72%);
}

:is(.ri-rail-zone--3,.hs-ri-rail-zone--3){
  left:50%;
  top:67%;
  height:33%;
  width:36px;
  transform:translate(-50%, 0);
  background:radial-gradient(ellipse 45% 55% at 50% 70%, rgba(0,229,192,.14), transparent 72%);
}

@media (min-width:761px){
  :is(.ri-rail-zone--1,.hs-ri-rail-zone--1),
  :is(.ri-rail-zone--2,.hs-ri-rail-zone--2),
  :is(.ri-rail-zone--3,.hs-ri-rail-zone--3){
    top:50%;
    transform:translateY(-50%);
    height:36px;
    width:34%;
  }
  :is(.ri-rail-zone--1,.hs-ri-rail-zone--1){left:0}
  :is(.ri-rail-zone--2,.hs-ri-rail-zone--2){left:33%; width:34%}
  :is(.ri-rail-zone--3,.hs-ri-rail-zone--3){left:67%; width:33%}
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(1):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone--1,.hs-ri-rail-zone--1),
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(1):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone--1,.hs-ri-rail-zone--1),
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(2):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone--2,.hs-ri-rail-zone--2),
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(2):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone--2,.hs-ri-rail-zone--2),
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone--3,.hs-ri-rail-zone--3),
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone--3,.hs-ri-rail-zone--3){
  opacity:1;
}

@media (min-width:761px){
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(1):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone--2,.hs-ri-rail-zone--2),
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(1):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone--2,.hs-ri-rail-zone--2){
    opacity:.44;
  }
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(2):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone--1,.hs-ri-rail-zone--1),
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(2):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone--1,.hs-ri-rail-zone--1),
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(2):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone--3,.hs-ri-rail-zone--3),
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(2):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone--3,.hs-ri-rail-zone--3){
    opacity:.36;
  }
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone--2,.hs-ri-rail-zone--2),
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone--2,.hs-ri-rail-zone--2){
    opacity:.26;
  }
}

:is(.ri-rail-pulse,.hs-ri-rail-pulse){
  position:absolute;
  left:50%;
  top:-8%;
  width:10px;
  height:clamp(48px, 12vh, 72px);
  transform:translateX(-50%);
  border-radius:999px;
  background:radial-gradient(ellipse 50% 50% at 50% 50%, rgba(0,229,192,.18), transparent 70%);
  filter:blur(6px);
  opacity:.32;
  animation:riPulseVt 10s ease-in-out infinite;
  pointer-events:none;
  transition:opacity 1.15s var(--sb-ease), filter 1.15s var(--sb-ease);
}

@keyframes riPulseVt{
  0%{top:-5%; opacity:.18}
  50%{top:55%; opacity:.36}
  100%{top:108%; opacity:.14}
}

@media (min-width:761px){
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support-inner,.hs-ri-support-inner) > :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-pulse,.hs-ri-rail-pulse){
    left:-6%;
    top:50%;
    width:clamp(52px, 7vw, 76px);
    height:12px;
    transform:translateY(-50%);
    background:radial-gradient(ellipse 100% 100% at 50% 50%, rgba(0,229,192,.16), transparent 68%);
    animation:riPulseHz 9s ease-in-out infinite;
  }

  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-pulse,.hs-ri-rail-pulse),
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-pulse,.hs-ri-rail-pulse){
    opacity:.16;
    animation-duration:14s;
    filter:blur(8px);
  }
}

@keyframes riPulseHz{
  0%{left:-4%; opacity:.18}
  50%{left:48%; opacity:.34}
  100%{left:104%; opacity:.14}
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):hover) :is(.ri-rail-stack,.hs-ri-rail-stack) .ri-rail,
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support,.hs-ri-support):has(:is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):focus-visible) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail,.hs-ri-rail){
  animation-play-state:paused;
  filter:brightness(1.06);
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage])[data-ri-signal=""] :is(.ri-rail-stack,.hs-ri-rail-stack) .ri-rail,
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]):not([data-ri-signal]) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail,.hs-ri-rail){
  animation-play-state:running;
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage])[data-ri-signal=""] :is(.ri-rail-stack,.hs-ri-rail-stack) .ri-rail,
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]):not([data-ri-signal]) :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail,.hs-ri-rail){
  transition:filter 1.45s var(--sb-ease), box-shadow 1.45s var(--sb-ease), opacity 1.45s var(--sb-ease), background 1.45s var(--sb-ease), -webkit-mask-image 1.45s var(--sb-ease), mask-image 1.45s var(--sb-ease);
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage])[data-ri-signal="decay"] :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone,.hs-ri-rail-zone){
  opacity:.35 !important;
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage])[data-ri-signal="decay"] :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail,.hs-ri-rail){
  filter:brightness(1.035);
  animation-play-state:paused;
}

@media (min-width:761px){
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage])[data-ri-signal="decay"] :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-zone,.hs-ri-rail-zone){
    opacity:.22 !important;
  }
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage])[data-ri-signal="decay"]::after{
  animation-play-state:paused;
  filter:blur(.42px) saturate(1.02);
  transform:scale(1.005);
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage])[data-ri-signal="decay"] :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail,.hs-ri-rail){
  filter:brightness(1.035);
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]):has(:is(.ri-support,.hs-ri-support) :is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(1):hover)::after,
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]):has(:is(.ri-support,.hs-ri-support) :is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(1):focus-visible)::after{
  filter:blur(.55px) saturate(1.06);
  transform:scale(1.012);
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]):has(:is(.ri-support,.hs-ri-support) :is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(2):hover)::after,
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]):has(:is(.ri-support,.hs-ri-support) :is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(2):focus-visible)::after{
  filter:blur(.12px) saturate(1.05);
  transform:scale(.991) translateX(.55%);
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]):has(:is(.ri-support,.hs-ri-support) :is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):hover)::after,
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]):has(:is(.ri-support,.hs-ri-support) :is(.ri-cluster,.hs-ri-cluster) :is(.ri-whisper,.hs-ri-whisper):nth-child(3):focus-visible)::after{
  filter:blur(.85px) saturate(.97);
  transform:scale(1.007);
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-cluster,.hs-ri-cluster):has(:is(.ri-whisper,.hs-ri-whisper):nth-child(1):hover) :is(.ri-whisper,.hs-ri-whisper):nth-child(2) :is(.ri-whisper-dot,.hs-ri-whisper-dot),
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-cluster,.hs-ri-cluster):has(:is(.ri-whisper,.hs-ri-whisper):nth-child(1):focus-visible) :is(.ri-whisper,.hs-ri-whisper):nth-child(2) :is(.ri-whisper-dot,.hs-ri-whisper-dot){
  box-shadow:0 0 0 2px rgba(0,229,192,.14), 0 0 20px rgba(0,229,192,.22), 0 0 44px rgba(0,229,192,.06);
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-cluster,.hs-ri-cluster):has(:is(.ri-whisper,.hs-ri-whisper):nth-child(2):hover) :is(.ri-whisper,.hs-ri-whisper):nth-child(1) :is(.ri-whisper-dot,.hs-ri-whisper-dot),
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-cluster,.hs-ri-cluster):has(:is(.ri-whisper,.hs-ri-whisper):nth-child(2):focus-visible) :is(.ri-whisper,.hs-ri-whisper):nth-child(1) :is(.ri-whisper-dot,.hs-ri-whisper-dot),
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-cluster,.hs-ri-cluster):has(:is(.ri-whisper,.hs-ri-whisper):nth-child(2):hover) :is(.ri-whisper,.hs-ri-whisper):nth-child(3) :is(.ri-whisper-dot,.hs-ri-whisper-dot),
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-cluster,.hs-ri-cluster):has(:is(.ri-whisper,.hs-ri-whisper):nth-child(2):focus-visible) :is(.ri-whisper,.hs-ri-whisper):nth-child(3) :is(.ri-whisper-dot,.hs-ri-whisper-dot){
  box-shadow:0 0 0 2px rgba(0,229,192,.13), 0 0 18px rgba(0,229,192,.2), 0 0 40px rgba(0,229,192,.055);
}

section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-cluster,.hs-ri-cluster):has(:is(.ri-whisper,.hs-ri-whisper):nth-child(3):hover) :is(.ri-whisper,.hs-ri-whisper):nth-child(2) :is(.ri-whisper-dot,.hs-ri-whisper-dot),
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-cluster,.hs-ri-cluster):has(:is(.ri-whisper,.hs-ri-whisper):nth-child(3):focus-visible) :is(.ri-whisper,.hs-ri-whisper):nth-child(2) :is(.ri-whisper-dot,.hs-ri-whisper-dot){
  box-shadow:0 0 0 2px rgba(0,229,192,.12), 0 0 16px rgba(0,229,192,.18), 0 0 36px rgba(0,229,192,.05);
}

/* Nodes sit above the rail; dots read as seated on the beam */
section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support-inner,.hs-ri-support-inner) > :is(.ri-cluster,.hs-ri-cluster){
  position:relative;
  z-index:1;
}

@keyframes sbRouteNodePulse{
  0%,100%{
    box-shadow:
      0 0 18px rgba(0,229,192,.55),
      0 0 40px rgba(0,229,192,.22);
  }
  50%{
    box-shadow:
      0 0 22px rgba(0,229,192,.62),
      0 0 48px rgba(0,229,192,.26);
  }
}

/* --- Substrate route navigation (bottom) --- */
.beam-nav.substrate-route-nav{
  transition:box-shadow .45s var(--sb-ease), border-color .45s var(--sb-ease);
}

.beam-nav.substrate-route-nav::before{
  transition:opacity .5s var(--sb-ease), filter .5s var(--sb-ease), transform .5s var(--sb-ease);
}

.beam-nav.substrate-route-nav[data-sb-route-preview]::before{
  opacity:.62;
  filter:saturate(1.06);
}

@media (min-width:1024px){
  .beam-nav.substrate-route-nav .beam-node:not(.is-active){
    opacity:.4;
    border-color:rgba(130,255,238,.22);
    box-shadow:0 0 6px rgba(0,229,192,.05);
    transition:
      opacity .35s var(--sb-ease),
      transform .22s var(--sb-ease),
      background .22s var(--sb-ease),
      box-shadow .35s var(--sb-ease),
      border-color .35s var(--sb-ease);
  }

  .beam-nav.substrate-route-nav .beam-node.is-active{
    opacity:1;
    animation:sbRouteNodePulse 5.5s ease-in-out infinite;
  }

  .beam-nav.substrate-route-nav .beam-node:hover,
  .beam-nav.substrate-route-nav .beam-node:focus-visible{
    opacity:.92;
  }

  .beam-nav.substrate-route-nav .beam-node:not(.is-active):hover,
  .beam-nav.substrate-route-nav .beam-node:not(.is-active):focus-visible{
    opacity:.72;
  }
}

/* Standalone cross-page route strip (reasoning / shallow pages) */
.beam-nav.substrate-route-nav--pages{
  display:flex !important;
  position:fixed;
  left:50%;
  bottom:clamp(20px,3.5vh,40px);
  transform:translateX(-50%);
  z-index:40;
  max-width:calc(100vw - 28px);
  flex-wrap:wrap;
  justify-content:center;
  gap:10px;
  padding:10px 14px;
}

.beam-nav.substrate-route-nav--pages .beam-node{
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:auto;
  height:auto;
  min-height:30px;
  padding:8px 16px;
  border-radius:999px;
  font:inherit;
  color:inherit;
  cursor:pointer;
  white-space:nowrap;
}

.beam-nav.substrate-route-nav--pages .beam-node span{
  position:static;
  transform:none;
  opacity:1;
  pointer-events:auto;
  font-size:9px;
  font-weight:800;
  letter-spacing:.1em;
  text-transform:uppercase;
  text-shadow:none;
  white-space:nowrap;
}

.beam-nav.substrate-route-nav--pages .beam-node:hover span,
.beam-nav.substrate-route-nav--pages .beam-node:focus-visible span{
  opacity:1;
  transform:none;
}

.beam-nav.substrate-route-nav--pages .beam-node:not(.is-active){
  opacity:.48;
  background:rgba(0,10,12,.65);
  border-color:rgba(130,255,238,.28);
  box-shadow:0 0 8px rgba(0,229,192,.06);
}

.beam-nav.substrate-route-nav--pages .beam-node.is-active{
  opacity:1;
  animation:sbRouteNodePulse 5.5s ease-in-out infinite;
}

@media (min-width:1024px){
  .beam-nav.substrate-route-nav--pages{
    bottom:clamp(28px,4vh,46px);
    gap:14px;
  }
}

body.substrate-page-main{padding-bottom:clamp(72px,12vh,100px)}

@media (prefers-reduced-motion:reduce){
  .section.substrate-environment::before,
  .section.substrate-environment::after{animation:none}
  .section.substrate-environment::after{opacity:.44}
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support-inner,.hs-ri-support-inner) > :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail,.hs-ri-rail){
    animation:none;
    opacity:.88;
  }
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support-inner,.hs-ri-support-inner) > :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-shimmer,.hs-ri-rail-shimmer),
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support-inner,.hs-ri-support-inner) > :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-particle,.hs-ri-particle){
    animation:none !important;
    opacity:0;
  }
  section.section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage]) :is(.ri-support-inner,.hs-ri-support-inner) > :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail-pulse,.hs-ri-rail-pulse){
    animation:none;
    opacity:.14;
  }
  .section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage])[data-ri-signal="decay"]::after,
  .section.substrate-environment:is([data-substrate-stage],[data-hs-ri-stage])[data-ri-signal="decay"] :is(.ri-rail-stack,.hs-ri-rail-stack) :is(.ri-rail,.hs-ri-rail){
    filter:none;
  }
  .beam-nav.substrate-route-nav .beam-node.is-active,
  .beam-nav.substrate-route-nav--pages .beam-node.is-active{animation:none}
}