@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&family=Manrope:wght@300;400;500;600&display=swap');
:root{
  --bg:#0d0d0d;
  --bg-2:#121212;
  --bg-3:#171513;
  --panel:#141311;
  --panel-2:#1b1815;
  --line:#302820;
  --line-soft:#24201b;
  --bone:#f3eee5;
  --bone-soft:#ddd3c4;
  --sand:#bca78f;
  --walnut:#7f624b;
  --walnut-soft:#9b7b61;
  --white:#fffdf8;
  --muted:#b8ab9a;
  --muted-2:#8c8176;
  --max:1180px;
  --heading:'Poiret One', 'Avenir Next Ultra Light', 'Century Gothic', sans-serif;
  --body:'Manrope', 'Helvetica Neue', Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--bone);font-family:var(--body);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
button{font:inherit}
img,svg{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:10px 14px;z-index:1000}.skip:focus{left:10px;top:10px}
.site-header{position:sticky;top:0;z-index:60;background:rgba(13,13,13,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(188,167,143,.14)}
.header-inner{min-height:74px;display:flex;align-items:center;gap:18px}
.wordmark{font-family:var(--heading);font-size:24px;letter-spacing:.24em;text-transform:uppercase;white-space:nowrap}
.main-nav{margin-left:auto;display:flex;gap:22px;flex-wrap:wrap}
.main-nav a{font-size:13px;letter-spacing:.06em;color:var(--muted);transition:color .2s ease}
.main-nav a:hover,.main-nav a.active{color:var(--bone)}
.header-side{display:flex;align-items:center;gap:14px;margin-left:18px}
.lang-btn{background:none;border:0;color:var(--bone);border-bottom:1px solid var(--sand);padding:6px 0;cursor:pointer;font-size:12px;letter-spacing:.12em}
.header-contact{font-size:13px;color:var(--bone-soft);border-bottom:1px solid rgba(243,238,229,.34);padding:8px 0}
.menu-btn{display:none;background:none;border:1px solid rgba(188,167,143,.25);width:42px;height:42px;align-items:center;justify-content:center;flex-direction:column;gap:5px}.menu-btn span{width:18px;height:1px;background:#f3eee5}
.mobile-nav{display:none;padding:0 24px 20px;border-bottom:1px solid rgba(188,167,143,.14)}
.mobile-nav a{display:block;padding:10px 0;color:var(--muted)}
.hero{padding:56px 0 34px;border-bottom:1px solid var(--line-soft)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center}
.overline{font-size:11px;letter-spacing:.16em;color:var(--sand);text-transform:uppercase;display:flex;align-items:center;gap:12px}.overline::before{content:'';width:28px;height:1px;background:currentColor;opacity:.7}
.hero h1,.page-hero h1,.section-title,.card h3,.subcard h3,.mini-card h3,.stat-card h3,.layer-link h3,.contact-panel h3{font-family:var(--heading);font-weight:400;text-transform:uppercase}
.hero h1{font-size:clamp(42px,5.2vw,72px);line-height:1.08;letter-spacing:.06em;margin:18px 0 16px;max-width:11ch}
.hero p{font-size:18px;line-height:1.75;color:var(--muted);max-width:58ch;margin:0}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 18px;border:1px solid rgba(243,238,229,.16);font-size:13px;letter-spacing:.08em;text-transform:uppercase}.btn.primary{background:var(--bone);color:#151515;border-color:var(--bone)}
.hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}.meta-box{border:1px solid var(--line);padding:14px;background:linear-gradient(180deg,rgba(255,255,255,.01),rgba(255,255,255,0));min-height:86px}.meta-box b{display:block;font-size:11px;letter-spacing:.12em;color:var(--sand);text-transform:uppercase;margin-bottom:8px}.meta-box span{color:var(--bone-soft);font-size:14px;line-height:1.55}
.hero-art{border:1px solid var(--line);background:linear-gradient(180deg,#161412,#0f0f0f);min-height:430px;position:relative;overflow:hidden}
.hero-art::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(188,167,143,.07) 1px, transparent 1px),linear-gradient(90deg, rgba(188,167,143,.07) 1px, transparent 1px);background-size:56px 56px;mask-image:linear-gradient(180deg, black 60%, transparent 100%)}
.hero-diagram{position:absolute;inset:0;display:grid;place-items:center}
.hero-diagram svg{width:84%;height:auto}
.chapter-strip{padding:0;border-bottom:1px solid var(--line-soft)}
.chapter-row{display:grid;grid-template-columns:repeat(7,1fr)}
.chapter-row a{padding:16px 14px;border-left:1px solid var(--line-soft);transition:background .2s ease}.chapter-row a:last-child{border-right:1px solid var(--line-soft)}
.chapter-row a:hover{background:rgba(255,255,255,.02)}
.chapter-row b{display:block;font-size:10px;letter-spacing:.12em;color:var(--sand);text-transform:uppercase;margin-bottom:8px}
.chapter-row span{display:block;font-size:15px;line-height:1.35}
.main-section{padding:64px 0;border-bottom:1px solid var(--line-soft)}
.section-head{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:end;margin-bottom:28px}
.kicker{font-size:11px;letter-spacing:.16em;color:var(--sand);text-transform:uppercase}
.section-title{font-size:clamp(34px,4vw,56px);line-height:1.12;letter-spacing:.05em;margin:14px 0 0}
.section-intro{font-size:17px;line-height:1.8;color:var(--muted);max-width:60ch}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.stack{display:grid;gap:18px}
.card,.subcard,.mini-card,.stat-card,.layer-link,.contact-panel{border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.015),rgba(255,255,255,0));padding:22px;position:relative}
.card::before,.subcard::before,.mini-card::before,.stat-card::before,.layer-link::before,.contact-panel::before{content:'';position:absolute;left:22px;right:22px;top:0;height:1px;background:linear-gradient(90deg,var(--walnut),transparent)}
.card h3,.subcard h3,.mini-card h3,.stat-card h3,.layer-link h3,.contact-panel h3{font-size:28px;letter-spacing:.06em;line-height:1.18;margin:12px 0 10px}
.card p,.subcard p,.mini-card p,.stat-card p,.layer-link p,.contact-panel p, .bullets li, .prose p{font-size:16px;line-height:1.82;color:var(--muted);margin:0}
.tiny{font-size:10px;letter-spacing:.14em;color:var(--sand);text-transform:uppercase}
.artifact{height:140px;border:1px solid rgba(188,167,143,.12);margin-bottom:16px;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,0));display:grid;place-items:center}
.artifact svg{width:88%;height:88%}
.bullets{padding-left:18px;margin:10px 0 0}.bullets li{margin:10px 0}
.page-hero{padding:42px 0 18px}.page-hero h1{font-size:clamp(34px,4.7vw,60px);line-height:1.14;letter-spacing:.06em;margin:10px 0 12px}.page-hero p{font-size:17px;line-height:1.8;color:var(--muted);max-width:70ch}
.breadcrumb{font-size:12px;color:var(--muted-2);display:flex;gap:10px;align-items:center;flex-wrap:wrap}.breadcrumb a{color:var(--bone-soft)}
.prose{display:grid;gap:18px}
.layer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.layer-link{display:grid;grid-template-columns:1fr 110px;align-items:end;gap:14px}.layer-link svg{width:92px;height:92px;justify-self:end;opacity:.9}
.subnav{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.pill{padding:10px 12px;border:1px solid var(--line);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--bone-soft)}
.footer{padding:26px 0 40px;color:var(--muted-2)}.footer-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.contact-grid{display:grid;grid-template-columns:1fr .9fr;gap:18px}.contact-panel a.mail{font-size:24px;color:var(--bone);display:inline-block;margin-top:10px;font-family:var(--heading);letter-spacing:.05em}
.status-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.stat-card h3{font-size:18px;font-family:var(--body);font-weight:500;text-transform:none;letter-spacing:.03em}
.invert-block{background:var(--panel-2);border:1px solid var(--line);padding:24px}
.quote{font-family:var(--heading);font-size:26px;line-height:1.35;letter-spacing:.04em;color:var(--bone-soft);border-left:1px solid var(--walnut);padding-left:18px}
@media(max-width:1050px){.hero-grid,.section-head,.contact-grid{grid-template-columns:1fr}.chapter-row{display:flex;overflow:auto}.chapter-row a{min-width:180px}.grid-3{grid-template-columns:1fr 1fr}.layer-grid{grid-template-columns:1fr}.hero-art{min-height:340px}}
@media(max-width:760px){.main-nav,.header-contact{display:none}.menu-btn{display:flex;margin-left:auto}.mobile-nav.show{display:block}.hero{padding-top:34px}.hero h1{max-width:none}.hero-meta,.grid-3,.grid-2,.status-grid{grid-template-columns:1fr}.container{width:calc(100% - 32px)}.hero-art{min-height:250px}.main-section{padding:48px 0}.card h3,.subcard h3,.mini-card h3,.layer-link h3{font-size:24px}.wordmark{font-size:21px}}


/* Nervaxis V7 · editorial black refinement */
:root{--bg:#0e0d0c;--bg-2:#12110f;--panel:#171512;--line:#302b26;--line-soft:#26221e;--bone:#f2ede4;--bone-soft:#e6dbcd;--sand:#c6b49a;--walnut:#94765d;--walnut-soft:#ac9178;--muted:#c1b5a5;--muted-2:#a0917f}
body{font-size:15px;line-height:1.7;background:linear-gradient(180deg,#0f0e0d,#11100f 55%,#0d0d0c);}
.site-header{background:rgba(14,13,12,.93)}
.header-inner{min-height:72px}
.wordmark{letter-spacing:.27em;font-size:23px}
.main-nav{gap:29px;align-items:center}
.main-nav a,.nav-more summary{font-size:12.5px;letter-spacing:.045em;color:#c5bdb2;transition:color .2s;cursor:pointer;white-space:nowrap}
.main-nav a:hover,.main-nav a.active,.nav-more summary:hover{color:#f2ede4}
.nav-more{position:relative}
.nav-more summary{list-style:none;display:flex;gap:6px;align-items:center}
.nav-more summary::-webkit-details-marker{display:none}
.nav-more summary::after{content:'⌄';font-size:16px;margin-top:-5px;color:var(--sand)}
.nav-dropdown{position:absolute;top:calc(100% + 22px);right:-12px;width:200px;background:#1a1714;padding:12px;border:1px solid #3e342b;box-shadow:0 20px 38px #0008;display:grid;gap:3px;z-index:80}
.nav-dropdown a{padding:11px 12px;font-size:13px;color:var(--muted)}
.nav-dropdown a:hover,.nav-dropdown a.active{background:#28211b;color:#fff}
.header-contact{font-size:12px;letter-spacing:0}
.header-side{gap:18px;margin-left:20px}
.hero{padding:54px 0 26px}
.hero-grid{gap:58px;grid-template-columns:1.03fr .97fr}
.hero h1{font-size:clamp(48px,5vw,76px);line-height:1.09;letter-spacing:.038em;max-width:14ch;margin:21px 0 20px}
.hero p{font-size:16px;line-height:1.85;max-width:55ch}
.hero-art{min-height:390px;border:1px solid #42372b;background:radial-gradient(circle at 50% 49%,#1a1714 0%,#0d0d0c 72%)}
.hero-art::after{content:'NERVAXIS  /  SYSTEM STUDY 001';position:absolute;bottom:20px;left:23px;color:#9a8976;font-size:10px;letter-spacing:.16em}
.hero-diagram svg{width:83%}
.meta-box{background:rgba(255,255,255,.009);border-color:#2b261f;padding:14px 15px;min-height:94px}
.meta-box b{color:#d3b99a}.meta-box span{font-size:12.5px;line-height:1.65}
.btn{letter-spacing:.07em;font-weight:500;font-size:12px;transition:background .2s,color .2s,border .2s}
.btn:hover{background:#d2beaa;color:#10100f;border-color:#d2beaa}
.btn.primary:hover{background:#d2beaa;border-color:#d2beaa}
.chapter-row a{min-height:80px;padding:15px 14px}
.chapter-row a:hover{background:#1d1915}
.chapter-row a b{font-size:10.5px}
.chapter-row a span{font-family:var(--heading);letter-spacing:.06em;text-transform:uppercase;font-size:17px}
.main-section{padding:62px 0 78px}
.section-head{grid-template-columns:1.12fr .88fr}
.section-title{font-size:clamp(39px,4.2vw,62px);letter-spacing:.065em;line-height:1.13}
.section-intro{font-size:16px;line-height:1.9;max-width:55ch}
.card,.subcard,.mini-card,.stat-card,.layer-link,.contact-panel{background:linear-gradient(145deg,#181613,#121110 68%);border:1px solid #36302a;padding:25px;transition:border-color .2s,transform .2s}
a.card:hover,a.layer-link:hover{border-color:#80664f;transform:translateY(-2px)}
.card h3,.subcard h3,.mini-card h3,.layer-link h3{font-size:27px;letter-spacing:.052em}
.card p,.subcard p,.mini-card p,.stat-card p,.layer-link p,.contact-panel p,.bullets li,.prose p{color:#c2b7aa;line-height:1.85;font-size:15px}
.artifact{height:150px;border-color:#342b24;background:radial-gradient(circle,#1d1915 0%,#131210 74%)}
.tiny,.kicker,.overline{color:#c7a98a}
.breadcrumb{color:#b09f90}
.page-hero{padding:64px 0 30px;border-bottom:1px solid var(--line-soft)}
.page-hero h1{font-size:clamp(41px,4.5vw,66px);letter-spacing:.06em;line-height:1.14;max-width:20ch;margin:18px 0 18px}
.page-hero p{font-size:17px;color:#c4b8a9;max-width:72ch}
.layer-link{grid-template-columns:1fr 116px;gap:25px}
.layer-link svg{width:100px;height:100px}
.layer-grid{gap:16px}
.status-grid .stat-card:nth-child(2){background:#1b1815}
.status-grid .stat-card:nth-child(3){background:#201912}
.invert-block{padding:30px;background:#211b16;border-color:#46372a}
.pill{color:#ddd2c4;transition:background .2s}
.pill:hover{background:#2c241c}
.quote{font-size:28px;color:#e2d7ca}
.contact-panel a.mail{font-size:clamp(21px,2.3vw,30px);overflow-wrap:anywhere}
.next-section{background:#171410;border-top:1px solid #332a23;border-bottom:1px solid #332a23}
.next-inner{display:grid;grid-template-columns:1fr 1fr}
.next-inner a{display:flex;flex-direction:column;gap:9px;padding:28px 30px;transition:background .2s}
.next-inner a:hover{background:#241e19}
.next-inner a+ a{border-left:1px solid #332a23;text-align:right;align-items:flex-end}
.next-inner strong{font-family:var(--heading);font-size:27px;letter-spacing:.07em;text-transform:uppercase;font-weight:400}
.footer{padding:33px 0 40px;font-size:12px;letter-spacing:.02em}
.footer .wordmark{font-size:17px!important}
#capa1,#capa2,#capa3,#capa4,#capa5,#capa6{scroll-margin-top:98px}
@media(max-width:1050px){.main-nav{gap:14px}.header-side{margin-left:8px}.header-contact{display:none}.hero-grid{gap:28px}.hero-art{min-height:330px}}
@media(max-width:760px){.main-nav{display:none}.header-side{margin-left:auto}.menu-btn{margin-left:0}.hero{padding-top:30px}.hero-grid{gap:26px}.hero-art{min-height:280px}.hero h1{font-size:clamp(42px,9.5vw,63px)}.hero-meta{grid-template-columns:1fr 1fr}.meta-box:last-child{grid-column:1/-1}.chapter-row a{min-width:146px}.next-inner strong{font-size:22px}.next-inner a{padding:21px 14px}.page-hero{padding-top:36px}.page-hero h1{max-width:none}.main-section{padding:40px 0 52px}.section-title{font-size:clamp(34px,8vw,48px)}}
@media(max-width:480px){.container{width:calc(100% - 30px)}.hero-meta{grid-template-columns:1fr 1fr}.hero-art{min-height:235px}.wordmark{font-size:19px}.lang-btn{font-size:12px}.header-inner{min-height:66px}.next-inner strong{font-size:18px}.hero-actions{gap:8px}.btn{padding:12px 14px}.chapter-row a{min-width:133px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}


/* V7 final responsive refinements */
.hero h1{font-size:clamp(44px,4.55vw,66px);max-width:15ch}
.hero-art{min-height:350px}
.hero-meta{margin-top:18px}
.main-section .section-title{font-size:clamp(37px,3.6vw,53px)}
@media(max-width:1050px){
  .hero-grid,.section-head{grid-template-columns:1fr}
  .hero-art{min-height:325px}
}
@media(max-width:760px){
  .hero-grid,.section-head,.contact-grid{grid-template-columns:minmax(0,1fr)}
  .hero-art{min-height:245px;width:100%;max-width:100%}
  .hero-art::after{font-size:9px}
  .hero h1{max-width:none;font-size:clamp(38px,8.7vw,58px)}
  .hero-meta{grid-template-columns:repeat(2,minmax(0,1fr))}
  .chapter-row{overflow-x:auto;overflow-y:hidden}
  .chapter-row a{min-width:145px}
  .section-head{gap:6px}
  .main-section .section-title{font-size:clamp(34px,8vw,48px)}
  .grid-3,.grid-2,.status-grid,.layer-grid{grid-template-columns:minmax(0,1fr)}
  .page-hero h1{font-size:clamp(36px,8.5vw,50px)}
  .next-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .container{width:calc(100% - 34px)}
  .hero-grid{gap:20px}
  .hero h1{font-size:clamp(35px,8.8vw,43px)}
  .hero-art{min-height:235px}
  .section-head{display:block}
  .section-intro{margin-top:16px}
  .card,.subcard,.mini-card,.stat-card,.layer-link,.contact-panel{padding:19px}
  .hero-meta{gap:9px}
  .meta-box{padding:12px;min-height:0}
  .meta-box span{font-size:12px}
  .header-inner{gap:10px}
  .next-inner strong{font-size:17px}
}

@media(max-width:760px){
  .home-discovery .artifact{height:108px;margin-bottom:10px}
  .home-discovery .card{padding:17px}
  .home-discovery .card h3{margin:9px 0 7px}
  .home-discovery .card p{font-size:14px;line-height:1.7}
}
@media(max-width:760px){
 .layer-link{grid-template-columns:minmax(0,1fr) 70px;gap:8px;align-items:center}
 .layer-link svg{width:64px;height:64px;max-width:100%}
 .layer-link h3{overflow-wrap:anywhere}
}


/* V8 · tech editorial layer */
:root{
  --tech:#7ea6b7;
  --tech-strong:#9fd0de;
  --tech-deep:#5f7395;
  --tech-line:rgba(126,166,183,.24);
  --tech-line-soft:rgba(126,166,183,.12);
  --tech-glow:rgba(126,166,183,.18);
}
body{position:relative;background:
  radial-gradient(circle at 12% 15%, rgba(95,115,149,.12), transparent 24%),
  radial-gradient(circle at 86% 20%, rgba(126,166,183,.09), transparent 26%),
  radial-gradient(circle at 60% 72%, rgba(126,166,183,.05), transparent 28%),
  linear-gradient(180deg,#090a0c,#0c0d10 52%,#090a0b 100%);
}
body::before{
  content:''; position:fixed; inset:0; pointer-events:none; z-index:0;
  background-image:
   linear-gradient(rgba(126,166,183,.03) 1px, transparent 1px),
   linear-gradient(90deg, rgba(126,166,183,.03) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at center, black 20%, rgba(0,0,0,.7) 65%, transparent 100%);
  opacity:.75;
}
body > * {position:relative; z-index:1;}
#particle-network{position:fixed; inset:0; width:100%; height:100%; z-index:0; pointer-events:none; opacity:.7}
.site-header{background:rgba(10,11,13,.84); border-bottom:1px solid rgba(126,166,183,.14); box-shadow:0 10px 40px rgba(0,0,0,.18)}
.wordmark{color:var(--white); text-shadow:0 0 18px rgba(126,166,183,.06)}
.main-nav a:hover,.main-nav a.active,.nav-more summary:hover,.header-contact:hover{color:var(--white)}
.lang-btn{border-bottom-color:var(--tech)}
.header-contact{border-bottom-color:rgba(126,166,183,.34)}
.overline,.kicker,.tiny{color:var(--tech-strong)}
.overline::before,.kicker::before{background:currentColor}
.hero-art{
  border-color:rgba(126,166,183,.28);
  background:
    radial-gradient(circle at 50% 50%, rgba(126,166,183,.08), transparent 34%),
    linear-gradient(180deg,#13161b,#0b0d10 72%);
  box-shadow: inset 0 0 0 1px rgba(126,166,183,.06), 0 24px 70px rgba(0,0,0,.22);
}
.hero-art::before{
  background-image:
    linear-gradient(rgba(126,166,183,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126,166,183,.08) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(126,166,183,.08) 0%, transparent 42%);
}
.hero-art::after{color:#87a8b7; text-shadow:0 0 18px rgba(126,166,183,.1)}
.hero-diagram svg circle:nth-of-type(2), .hero-diagram svg path, .hero-diagram svg text:nth-of-type(n+2){filter:drop-shadow(0 0 4px rgba(126,166,183,.12));}
.btn{border-color:rgba(126,166,183,.2); color:var(--bone-soft); background:rgba(255,255,255,.01)}
.btn.primary{background:linear-gradient(135deg, var(--bone) 0%, #dce8eb 100%); color:#0f1012; border-color:#dce8eb}
.btn:hover{background:rgba(126,166,183,.12); color:var(--white); border-color:rgba(126,166,183,.36)}
.btn.primary:hover{background:linear-gradient(135deg,#ecf5f6 0%, #c7dde3 100%); color:#101214; border-color:#c7dde3}
.meta-box{
  background:linear-gradient(180deg, rgba(126,166,183,.04), rgba(255,255,255,.01));
  border-color:rgba(126,166,183,.14);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.02);
}
.meta-box b{color:var(--tech-strong)}
.chapter-row a{position:relative; background:linear-gradient(180deg, rgba(126,166,183,.03), transparent)}
.chapter-row a::after{
  content:''; position:absolute; left:14px; right:14px; bottom:0; height:1px;
  background:linear-gradient(90deg, var(--tech-line), transparent 80%);
}
.chapter-row a:hover{background:linear-gradient(180deg, rgba(126,166,183,.08), rgba(255,255,255,.01))}
.chapter-row b{color:var(--tech-strong)}
.chapter-row span{color:var(--bone)}
.card,.subcard,.mini-card,.stat-card,.layer-link,.contact-panel,.invert-block{
  background:
    linear-gradient(180deg, rgba(126,166,183,.04), rgba(255,255,255,.015)),
    linear-gradient(145deg,#15171b,#0f1114 74%);
  border-color:rgba(126,166,183,.18);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.02), 0 10px 30px rgba(0,0,0,.12);
}
.card::before,.subcard::before,.mini-card::before,.stat-card::before,.layer-link::before,.contact-panel::before{
  background:linear-gradient(90deg, var(--tech), rgba(126,166,183,0) 72%);
}
.card::after,.subcard::after,.mini-card::after,.stat-card::after,.layer-link::after,.contact-panel::after{
  content:''; position:absolute; right:16px; top:16px; width:42px; height:42px; pointer-events:none; opacity:.65;
  background:
    radial-gradient(circle at center, rgba(126,166,183,.9) 0 1.5px, transparent 2px),
    linear-gradient(90deg, transparent 0 8px, rgba(126,166,183,.18) 8px 9px, transparent 9px 18px, rgba(126,166,183,.18) 18px 19px, transparent 19px),
    linear-gradient(transparent 0 8px, rgba(126,166,183,.18) 8px 9px, transparent 9px 18px, rgba(126,166,183,.18) 18px 19px, transparent 19px);
}
a.card:hover,a.layer-link:hover{border-color:rgba(159,208,222,.38); box-shadow:0 14px 42px rgba(0,0,0,.18), inset 0 1px 0 rgba(255,255,255,.03)}
.artifact{
  border-color:rgba(126,166,183,.18);
  background:
    linear-gradient(180deg, rgba(126,166,183,.06), rgba(255,255,255,0)),
    radial-gradient(circle at 50% 50%, rgba(126,166,183,.06), transparent 52%),
    linear-gradient(180deg,#15181c,#0f1114);
  position:relative; overflow:hidden;
}
.artifact::before{
  content:''; position:absolute; inset:0; pointer-events:none;
  background-image:
   linear-gradient(rgba(126,166,183,.06) 1px, transparent 1px),
   linear-gradient(90deg, rgba(126,166,183,.06) 1px, transparent 1px);
  background-size:24px 24px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.8), transparent 100%);
}
.artifact svg{filter:drop-shadow(0 0 10px rgba(126,166,183,.08));}
.breadcrumb a{color:var(--tech-strong)}
.pill{border-color:rgba(126,166,183,.18); background:rgba(126,166,183,.05)}
.pill:hover{background:rgba(126,166,183,.12)}
.quote{border-left-color:var(--tech); color:#e0edf0}
.next-section{background:linear-gradient(180deg,#101216,#0d0f12); border-top-color:rgba(126,166,183,.16); border-bottom-color:rgba(126,166,183,.16)}
.next-inner a:hover{background:rgba(126,166,183,.06)}
.footer{border-top:1px solid rgba(126,166,183,.12)}
.mobile-nav{background:rgba(12,13,16,.96); border-bottom-color:rgba(126,166,183,.14)}
.menu-btn{border-color:rgba(126,166,183,.22)}
.menu-btn span{background:var(--tech-strong)}
.nav-dropdown{background:#13161a; border-color:rgba(126,166,183,.18)}
.nav-dropdown a:hover,.nav-dropdown a.active{background:#1a1e24}
@media (max-width:760px){
  #particle-network{opacity:.45}
  .card::after,.subcard::after,.mini-card::after,.stat-card::after,.layer-link::after,.contact-panel::after{width:28px;height:28px;right:12px;top:12px}
}
@media (prefers-reduced-motion:reduce){#particle-network{display:none}}


/* Nervaxis V9 — technical type system, restrained and legible */
:root {
  --heading: 'Space Grotesk', 'Avenir Next', 'Segoe UI', sans-serif;
  --body: 'Manrope', 'Segoe UI', Arial, sans-serif;
  --mono: 'IBM Plex Mono', Consolas, 'Courier New', monospace;
  --tech-strong: #a4c5d1;
}
body { font-feature-settings: 'kern' 1; }
.wordmark{
  font-family:var(--heading);
  font-weight:400;
  font-size:22px;
  letter-spacing:.29em;
  line-height:1.15;
}
.hero h1,.page-hero h1,.section-title,
.card h3,.subcard h3,.mini-card h3,.stat-card h3,
.layer-link h3,.contact-panel h3,.next-inner strong,
.contact-panel a.mail,.chapter-row span{
  font-family:var(--heading);
  font-weight:400;
  letter-spacing:-.028em;
  line-height:1.16;
}
.hero h1 {font-size:clamp(43px,4.65vw,67px); letter-spacing:-.042em; line-height:1.12; text-transform:none; max-width:16ch;}
.page-hero h1 {font-size:clamp(39px,4.4vw,63px);letter-spacing:-.036em;line-height:1.15;text-transform:none;max-width:23ch;}
.section-title,.main-section .section-title{font-size:clamp(35px,3.8vw,56px);letter-spacing:-.035em;line-height:1.18;text-transform:none;}
.card h3,.subcard h3,.mini-card h3,.layer-link h3,.contact-panel h3{font-size:clamp(22px,2vw,27px);letter-spacing:-.018em;text-transform:none;}
.chapter-row span{font-size:15px;letter-spacing:-.005em;text-transform:none;}
.next-inner strong{font-size:23px;letter-spacing:-.01em;text-transform:none;}
.wordmark{font-family:var(--heading);text-transform:uppercase}
.overline,.kicker,.tiny,.chapter-row b,.meta-box b,
.breadcrumb,.status-grid .tiny,.hero-art::after,.nav-more summary,
.nav-dropdown a,.pill,.lang-btn,.hero-actions .btn{
  font-family:var(--mono);
  letter-spacing:.055em;
}
.overline,.kicker{letter-spacing:.095em}
.meta-box b,.chapter-row b{font-size:10px}
.main-nav a {font-family:var(--body);font-weight:500;letter-spacing:.005em}
.hero-art::after {letter-spacing:.095em;font-size:9px}
.hero p,.page-hero p,.section-intro {font-weight:400;line-height:1.78;}
.hero .btn.primary{font-weight:500}
.artifact svg,.hero-diagram svg,.layer-link svg{transition:filter .35s ease}
a.card:hover .artifact svg,a.layer-link:hover svg{filter:drop-shadow(0 0 12px rgba(126,166,183,.23));}
:focus-visible{outline:2px solid var(--tech-strong);outline-offset:4px}
@media (max-width:760px){
  .wordmark{font-size:20px;letter-spacing:.23em}
  .hero h1{font-size:clamp(35px,8.5vw,54px);max-width:none}
  .page-hero h1{font-size:clamp(33px,8vw,48px);max-width:none}
  .main-section .section-title{font-size:clamp(31px,7.5vw,44px)}
  .chapter-row span{font-size:14px}
}
@media (max-width:420px){
  .hero h1{font-size:clamp(33px,8.4vw,42px)}
  .wordmark{font-size:18px;letter-spacing:.2em}
}