/* FaceScale shared Outer + Silo Hub templates
   Tokens match Optical Neural Lab (v14/v15): rose #ff6b9d, cyan #00f0ff, Syne + Instrument Sans
*/
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --accent:#ff6b9d;--accent-glow:rgba(255,107,157,.35);
  --cyan:#00f0ff;--cyan-glow:rgba(0,240,255,.25);
  --void:#050508;--nebula:#0a0a0f;
  --surface:rgba(255,255,255,.03);--border:rgba(255,255,255,.07);--border-hover:rgba(255,255,255,.16);
  --text-primary:#f5f5fa;--text-secondary:#a8a8b8;--text-tertiary:#6e6e80;--text-quaternary:#404050;
  --ease-out:cubic-bezier(.16,1,.3,1);--ease-spring:cubic-bezier(.34,1.56,.64,1);
  --font-display:'Syne',sans-serif;--font-body:'Instrument Sans',sans-serif;
  --content:720px;--wide:1000px;
}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);background:var(--void);color:var(--text-primary);line-height:1.6;
  -webkit-font-smoothing:antialiased;min-height:100vh;
  background-image:
    radial-gradient(ellipse 70% 50% at 15% 0%,rgba(255,107,157,.1),transparent 55%),
    radial-gradient(ellipse 60% 45% at 90% 20%,rgba(0,240,255,.07),transparent 50%),
    linear-gradient(180deg,#050508 0%,#0a0a0f 40%,#050508 100%);
}
body::before{
  content:'';position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.028;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:256px;
}
h1,h2,h3,.nav-logo,.hub-brand{font-family:var(--font-display)}
a{color:var(--cyan);text-decoration:none;transition:color .25s}
a:hover{color:var(--accent)}

/* Nav */
.tpl-nav{
  position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:center;gap:8px;
  padding:16px 20px;backdrop-filter:blur(18px) saturate(160%);
  background:linear-gradient(180deg,rgba(5,5,8,.92),rgba(5,5,8,.65));
  border-bottom:1px solid var(--border);
}
.tpl-nav-inner{
  display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
  border:1px solid var(--border);background:rgba(255,255,255,.03);max-width:960px;width:100%;
  flex-wrap:wrap;justify-content:center;
}
.nav-logo{font-size:15px;font-weight:700;color:var(--text-primary);letter-spacing:-.3px;padding:6px 12px}
.nav-logo span{color:var(--accent)}
.nav-div{width:1px;height:18px;background:var(--border)}
.tpl-nav a.nav-link{font-size:13px;color:var(--text-secondary);padding:6px 12px;border-radius:999px;font-weight:500}
.tpl-nav a.nav-link:hover{color:var(--text-primary);background:rgba(255,255,255,.04)}
.nav-more{position:relative}
.nav-more-btn{
  list-style:none;cursor:pointer;font-size:13px;color:var(--text-secondary);padding:6px 12px;
  border-radius:999px;font-weight:500;font-family:var(--font-body);background:transparent;border:0;
}
.nav-more-btn::-webkit-details-marker{display:none}
.nav-more-btn::marker{content:''}
.nav-more-btn:hover,.nav-more[open]>.nav-more-btn{color:var(--text-primary);background:rgba(255,255,255,.04)}
.nav-more-panel{
  position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);min-width:200px;z-index:50;
  display:flex;flex-direction:column;gap:2px;padding:8px;border-radius:12px;
  background:rgba(10,10,16,.96);border:1px solid var(--border);box-shadow:0 16px 40px rgba(0,0,0,.45);
}
.nav-more-panel a{
  font-size:13px;color:var(--text-secondary)!important;padding:8px 12px;border-radius:8px;font-weight:500;white-space:nowrap;
}
.nav-more-panel a:hover{color:var(--text-primary)!important;background:rgba(255,255,255,.05)}
.nav-cta{
  background:var(--accent);color:#000!important;font-size:12px;font-weight:700;padding:8px 16px;
  border-radius:999px;margin-left:auto;transition:transform .35s var(--ease-spring),box-shadow .35s;
}
.nav-cta:hover{transform:scale(1.04);box-shadow:0 0 24px var(--accent-glow);color:#000!important}

/* Outer Informational Template */
.outer-informational-template{position:relative;z-index:1}
.article-hero{
  max-width:var(--wide);margin:0 auto;padding:48px 24px 32px;
  display:grid;gap:28px;
}
.article-hero-copy{max-width:640px}
.article-kicker{
  font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:14px;
}
.article-hero h1{
  font-size:clamp(32px,5vw,52px);font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-bottom:18px;
}
.article-lead{
  font-size:clamp(17px,2vw,20px);color:var(--text-secondary);line-height:1.55;margin-bottom:22px;
}
.article-diagram{
  width:100%;border-radius:0;overflow:hidden;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  background:#08080e;
}
.article-diagram picture,.article-diagram img{display:block;width:100%;height:auto}
.dir-cta{
  display:inline-flex;align-items:center;gap:10px;padding:12px 22px;border-radius:999px;
  background:var(--accent);color:#000!important;font-weight:700;font-size:14px;
  transition:transform .35s var(--ease-spring),box-shadow .35s;
}
.dir-cta:hover{transform:scale(1.04);box-shadow:0 0 28px var(--accent-glow);color:#000!important}
.dir-cta svg{width:16px;height:16px}

.article-body{
  max-width:var(--content);margin:0 auto;padding:40px 24px 20px;
}
.article-body h2{
  font-size:clamp(22px,3vw,30px);font-weight:800;letter-spacing:-.5px;margin:40px 0 14px;line-height:1.2;
}
.article-body h3{
  font-size:18px;font-weight:700;margin:28px 0 10px;color:var(--text-primary);
}
.article-body p{color:var(--text-secondary);margin-bottom:16px;font-size:16px;line-height:1.75}
.article-body ul{margin:0 0 20px 1.2em;color:var(--text-secondary)}
.article-body li{margin-bottom:8px;line-height:1.6}
.article-body strong{color:var(--text-primary);font-weight:600}

.faq-footer{padding:64px 24px 48px;max-width:var(--content);margin:0 auto;border-top:1px solid var(--border)}
.faq-footer h2{font-size:clamp(22px,3vw,28px);font-weight:800;margin-bottom:28px;letter-spacing:-.5px}
.faq-item{padding:20px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.faq-item:first-of-type{border-top:1px solid rgba(255,255,255,.06)}
.faq-item h3{font-family:var(--font-body);font-size:16px;font-weight:600;margin-bottom:8px}
.faq-item p{font-size:14px;color:var(--text-tertiary);line-height:1.7}

.tpl-footer,.site-footer{
  border-top:1px solid var(--border);padding:48px 24px 36px;
  color:var(--text-quaternary);font-size:13px;position:relative;z-index:1;
}
.site-footer-inner{
  max-width:var(--wide);margin:0 auto 36px;display:grid;gap:32px;
  grid-template-columns:minmax(200px,1.2fr) 2fr;
}
.site-footer-brand .site-footer-logo{
  font-family:var(--font-display);font-size:18px;font-weight:800;color:var(--text-primary);
  letter-spacing:-.3px;margin-bottom:10px;
}
.site-footer-brand .site-footer-logo span{color:var(--accent)}
.site-footer-brand p{color:var(--text-tertiary);font-size:14px;line-height:1.6;max-width:280px}
.site-footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.site-footer-col h3{
  font-family:var(--font-body);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-secondary);margin-bottom:14px;
}
.site-footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.site-footer-col a{color:var(--text-tertiary);font-size:14px}
.site-footer-col a:hover{color:var(--accent)}
.site-footer-bottom{
  max-width:var(--wide);margin:0 auto;padding-top:24px;border-top:1px solid rgba(255,255,255,.06);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;
  color:var(--text-quaternary);font-size:12px;line-height:1.5;
}
@media(max-width:720px){
  .site-footer-inner{grid-template-columns:1fr}
  .site-footer-cols{grid-template-columns:1fr;gap:28px}
}

/* Silo Hub Template */
.silo-hub-template{position:relative;z-index:1;max-width:var(--wide);margin:0 auto;padding:48px 24px 20px}
.hub-hero{max-width:640px;margin-bottom:48px}
.hub-kicker{font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.hub-hero h1{font-size:clamp(34px,5vw,54px);font-weight:800;letter-spacing:-.03em;line-height:1.08;margin-bottom:16px}
.hub-hero h1 em{font-style:normal;color:var(--accent)}
.hub-summary{font-size:17px;color:var(--text-secondary);line-height:1.6}

.twin-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:56px;
}
@media(max-width:700px){.twin-grid{grid-template-columns:1fr}}
.twin-card{
  display:flex;flex-direction:column;gap:12px;padding:28px 24px;border:1px solid var(--border);
  border-radius:14px;background:rgba(255,255,255,.02);text-decoration:none;color:inherit;
  transition:border-color .3s var(--ease-out),background .3s,transform .35s var(--ease-spring);
}
.twin-card:hover{border-color:rgba(255,107,157,.35);background:rgba(255,107,157,.04);transform:translateY(-2px)}
.twin-card .twin-label{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
.twin-card h2{font-size:22px;font-weight:800;letter-spacing:-.4px;color:var(--text-primary)}
.twin-card p{font-size:14px;color:var(--text-secondary);line-height:1.55;flex:1}
.twin-card .twin-go{font-size:13px;font-weight:600;color:var(--accent)}

.freshness{border-top:1px solid var(--border);padding-top:40px;margin-bottom:40px}
.freshness h2{font-size:clamp(22px,3vw,28px);font-weight:800;margin-bottom:8px}
.freshness-lead{color:var(--text-tertiary);font-size:14px;margin-bottom:24px}
.fresh-list{list-style:none;display:flex;flex-direction:column;gap:0}
.fresh-item{
  display:grid;grid-template-columns:110px 1fr;gap:16px;align-items:baseline;
  padding:18px 0;border-bottom:1px solid rgba(255,255,255,.06);text-decoration:none;color:inherit;
}
.fresh-item:hover .fresh-title{color:var(--accent)}
.fresh-date{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-quaternary)}
.fresh-title{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:4px}
.fresh-excerpt{font-size:13px;color:var(--text-tertiary);line-height:1.5}
@media(max-width:560px){
  .fresh-item{grid-template-columns:1fr;gap:6px}
  .tpl-nav-inner{justify-content:flex-start}
  .nav-cta{margin-left:0}
}