/* SC LABS shared visual system — 2026-09-10
   Canonical reference: the homepage. Align geometry and reuse its real visual
   language without flattening individual page identity. */
:root{
  --sc-shell-bg:#040712;--sc-shell-surface:#09111f;--sc-shell-surface-2:#0c1728;
  --sc-shell-line:rgba(125,165,210,.18);--sc-shell-text:#eef6ff;--sc-shell-muted:#99adc4;--sc-shell-dim:#6f849d;
  --sc-shell-blue:#4da8ff;--sc-shell-cyan:#50d9e8;--sc-shell-violet:#937cff;
  --sc-shell-content:1440px;--sc-shell-gutter:24px;--sc-shell-mobile-gutter:16px;
  --sc-shell-header:72px;--sc-shell-mobile-header:64px;--sc-shell-radius:18px;--sc-shell-grid:72px;
  --sc-shell-header-bg:rgba(4,7,18,.88)
}
html{background:var(--sc-shell-bg)}
body{position:relative;isolation:isolate;overflow-x:hidden}

/* Real shared ambient engine. Home and Products keep their native homepage implementation. */
.sc-ambient-engine{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;opacity:.62}
body[data-sc-ambient-profile="tier-a"] .sc-ambient-engine{opacity:.82}
body[data-sc-ambient-profile="identity"] .sc-ambient-engine{opacity:.64}
body[data-sc-ambient-profile="detail"] .sc-ambient-engine{opacity:.62}
body[data-sc-ambient-profile="hub"] .sc-ambient-engine{opacity:.48}
body[data-sc-ambient-profile="article"] .sc-ambient-engine{opacity:.34}
.sc-ambient-orb{position:absolute;border-radius:50%;filter:blur(34px);opacity:.5;will-change:transform}
.sc-orb-one{width:520px;height:520px;left:-260px;top:12vh;background:radial-gradient(circle,rgba(45,126,225,.23),transparent 68%);animation:sc-ambient-one 24s ease-in-out infinite alternate}
.sc-orb-two{width:620px;height:620px;right:-330px;top:38vh;background:radial-gradient(circle,rgba(117,87,224,.18),transparent 70%);animation:sc-ambient-two 30s ease-in-out infinite alternate}
.sc-orb-three{width:460px;height:460px;left:35%;bottom:-290px;background:radial-gradient(circle,rgba(45,198,220,.16),transparent 68%);animation:sc-ambient-three 27s ease-in-out infinite alternate}
.sc-ambient-grid{position:absolute;inset:0;opacity:.16;background-image:linear-gradient(rgba(97,169,235,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(97,169,235,.035) 1px,transparent 1px);background-size:var(--sc-shell-grid) var(--sc-shell-grid);-webkit-mask-image:radial-gradient(circle at 50% 18%,#000 4%,transparent 72%);mask-image:radial-gradient(circle at 50% 18%,#000 4%,transparent 72%)}
.sc-ambient-connections{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.62}
.sc-ambient-signals{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.sc-ambient-particle{position:absolute;width:6px;height:6px;border-radius:50%;background:#65dff0;box-shadow:0 0 8px #65dff0,0 0 22px rgba(77,168,255,.45);opacity:.36;animation:sc-particle-drift 30s ease-in-out infinite alternate;will-change:transform}
.sc-ambient-particle::after{content:"";position:absolute;inset:-8px;border:1px solid rgba(101,223,240,.16);border-radius:50%}
.sc-particle-1{left:4%;top:9%;animation-duration:33s}.sc-particle-2{right:7%;top:17%;animation-duration:41s;animation-delay:-13s}.sc-particle-3{left:8%;top:29%;animation-duration:37s;animation-delay:-9s}.sc-particle-4{right:5%;top:38%;background:#9a86ff;box-shadow:0 0 8px #9a86ff,0 0 22px rgba(147,124,255,.4);animation-duration:46s}.sc-particle-5{left:3%;top:49%;animation-duration:39s;animation-delay:-22s}.sc-particle-6{right:9%;top:60%;animation-duration:44s;animation-delay:-16s}.sc-particle-7{left:7%;top:71%;background:#4da8ff;animation-duration:35s}.sc-particle-8{right:4%;top:79%;animation-duration:48s;animation-delay:-29s}.sc-particle-9{left:12%;top:88%;animation-duration:42s;animation-delay:-6s}.sc-particle-10{right:12%;top:94%;background:#9a86ff;animation-duration:50s;animation-delay:-31s}
@keyframes sc-particle-drift{to{transform:translate3d(38px,-34px,0) scale(1.18);opacity:.62}}
@keyframes sc-ambient-one{to{transform:translate3d(50px,-24px,0) scale(1.06)}}
@keyframes sc-ambient-two{to{transform:translate3d(-42px,34px,0) scale(.95)}}
@keyframes sc-ambient-three{to{transform:translate3d(28px,-34px,0) scale(1.08)}}

body:not(.site-home)>main,body:not(.site-home)>footer,body:not(.site-home)>section{position:relative;z-index:1}
body.auron-page main,body.sc-node-page main,body.sc-node-page footer{position:relative;z-index:1}

/* Homepage-derived header geometry: 24 px inner gutter at 1440, 264 px at 1920, 16 px mobile. */
.site-header,.auron-nav,.node-nav,.journal-nav,.tool-nav,.product-nav{
  position:sticky!important;top:0;z-index:1000!important;background:var(--sc-shell-header-bg)!important;
  -webkit-backdrop-filter:blur(18px) saturate(118%);backdrop-filter:blur(18px) saturate(118%);
  border-bottom:1px solid var(--sc-shell-line)!important;box-shadow:0 14px 34px rgba(0,0,0,.10)
}
.site-nav,.auron-nav-inner,.node-nav-inner{
  width:100%!important;max-width:var(--sc-shell-content)!important;height:var(--sc-shell-header)!important;
  margin-left:auto!important;margin-right:auto!important;padding-left:var(--sc-shell-gutter)!important;padding-right:var(--sc-shell-gutter)!important
}
.journal-nav,.tool-nav,.product-nav{
  width:100%!important;max-width:none!important;height:var(--sc-shell-header)!important;margin:0!important;
  padding-left:max(var(--sc-shell-gutter),calc((100vw - 1392px)/2))!important;
  padding-right:max(var(--sc-shell-gutter),calc((100vw - 1392px)/2))!important
}

/* Shared depth only; page-specific card layout and typography remain intact. */
.journal-card,.hub-card,.product-hero,.panel,.form-panel,.result-panel,.explainer article,.learn-more a,.family-gate,.family-product-card,.commercial-radar-card,.radar-card,.evidence-strip>div{
  box-shadow:0 24px 72px rgba(0,0,0,.16),inset 0 1px 0 rgba(150,220,255,.025)
}

@media(max-width:720px){
  .site-nav,.auron-nav-inner,.node-nav-inner,.journal-nav,.tool-nav,.product-nav{height:var(--sc-shell-mobile-header)!important;padding-left:var(--sc-shell-mobile-gutter)!important;padding-right:var(--sc-shell-mobile-gutter)!important}
  .sc-ambient-engine{opacity:.42}body[data-sc-ambient-profile="tier-a"] .sc-ambient-engine{opacity:.56}body[data-sc-ambient-profile="article"] .sc-ambient-engine{opacity:.26}
  .sc-ambient-connections{display:none}.sc-ambient-particle:nth-child(n+7){display:none}
}
@media(prefers-reduced-motion:reduce){
  .sc-ambient-orb,.sc-ambient-particle{animation:none!important;will-change:auto}.sc-ambient-connections{display:none!important}.sc-ambient-engine{opacity:.34}
}

/* Global navigation IA 2026-09-11 */
.site-links a[aria-current="page"],.journal-links a[aria-current="page"],.product-nav a[aria-current="page"],.tool-nav a[aria-current="page"],.auron-nav-links a[aria-current="page"],.node-nav-links a[aria-current="page"]{color:var(--sc-shell-text)!important}