:root{
  --accent:#C6FF3C; --ink:#0A0A0C; --card:#111113; --sub:#9A9994; --faint:#6B6A65; --line:rgba(255,255,255,0.1); --text:#F3F2EE;
}
*{box-sizing:border-box;}
html,body{margin:0;background:var(--ink);color:var(--text);font-family:'Hanken Grotesk',sans-serif;overflow-x:hidden;}
::selection{background:var(--accent);color:var(--ink);}
a{color:var(--accent);text-decoration:none;}
a:hover{color:#E5FF8C;}
.accent-text{color:var(--accent);}
.mono-accent{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--accent);text-transform:uppercase;letter-spacing:.08em;margin-bottom:18px;}
.mono-faint{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--faint);text-transform:uppercase;letter-spacing:.08em;}
.h-xl{font-family:'Unbounded',sans-serif;font-weight:900;font-size:clamp(40px,6.5vw,86px);line-height:0.98;letter-spacing:-0.02em;margin:0 0 26px;}
.h-xl2{font-family:'Unbounded',sans-serif;font-weight:900;font-size:clamp(34px,5.5vw,64px);line-height:1.02;margin:0 0 24px;max-width:760px;}
.h-xl3{font-family:'Unbounded',sans-serif;font-weight:900;font-size:clamp(30px,5vw,54px);line-height:1.05;margin:0 0 40px;}
.h-lg{font-family:'Unbounded',sans-serif;font-weight:800;font-size:clamp(28px,4vw,48px);margin:0;}
.h-md{font-family:'Unbounded',sans-serif;font-weight:800;font-size:28px;margin:48px 0 28px;}
.h-sm{font-family:'Unbounded',sans-serif;font-weight:800;font-size:24px;margin:0 0 14px;}
.lead{font-size:18px;line-height:1.55;color:#B9B8B2;margin:0 0 36px;}
.card-title{font-family:'Unbounded',sans-serif;font-weight:700;font-size:19px;margin-bottom:10px;}
.card-desc{font-size:14.5px;color:var(--sub);line-height:1.55;margin:0;}
.section-sub{color:var(--sub);font-size:16px;margin:0 0 48px;max-width:600px;}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,10,12,0.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:18px 40px;max-width:1440px;margin:0 auto;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-name{font-family:'Unbounded',sans-serif;font-weight:800;font-size:19px;letter-spacing:-0.02em;color:var(--text);}
.nav-links{display:flex;gap:28px;font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:.03em;text-transform:uppercase;}
.nav-link{color:#B9B8B2;}
.nav-link.active{color:var(--accent);}
.nav-link:hover{color:var(--accent);}
.btn{display:inline-block;padding:10px 20px;border-radius:2px;font-family:'IBM Plex Mono',monospace;font-size:13px;font-weight:700;cursor:pointer;transition:transform .15s,box-shadow .15s,border-color .15s;}
.btn-accent{background:var(--accent);color:var(--ink);}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(198,255,60,0.25);color:var(--ink);}
.btn-outline{border:1px solid rgba(255,255,255,0.25);color:var(--text);}
.btn-outline:hover{border-color:var(--accent);transform:translateY(-3px);color:var(--text);}
.btn-lg{padding:18px 36px;font-size:16px;}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:34px;height:34px;background:none;border:none;cursor:pointer;padding:0;}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);transition:transform .2s,opacity .2s;}
.mobile-panel{display:none;flex-direction:column;gap:18px;padding:0 40px 24px;font-family:'IBM Plex Mono',monospace;font-size:14px;text-transform:uppercase;letter-spacing:.03em;}
.mobile-panel a.nav-link{color:#D8D7D2;}
.nav.open .mobile-panel{display:flex;}

/* hero */
.hero{position:relative;padding:160px 40px 90px;max-width:1360px;margin:0 auto;}
.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:end;}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid rgba(198,255,60,0.4);border-radius:999px;font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--accent);margin-bottom:28px;text-transform:uppercase;letter-spacing:.08em;white-space:nowrap;}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;animation:pulse 1.6s ease-in-out infinite;}
.btn-row{display:flex;gap:16px;flex-wrap:wrap;}
.hero-visual{display:flex;flex-direction:column;gap:20px;}
.signal-card,.telemetry-card,.replay-card{background:radial-gradient(circle at 100% 0%, rgba(198,255,60,0.08), var(--card) 60%);border:1px solid var(--line);border-radius:4px;padding:26px;font-family:'IBM Plex Mono',monospace;}
.signal-card{min-height:200px;position:relative;overflow:hidden;padding:22px;display:flex;flex-direction:column;}
.card-row-top{display:flex;justify-content:space-between;font-size:11px;color:var(--faint);text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px;position:relative;z-index:2;}
.sweep{position:absolute;top:0;bottom:0;width:60px;background:linear-gradient(90deg,transparent,rgba(198,255,60,0.13),transparent);animation:sweep 6s linear infinite;pointer-events:none;}
.wave-wrap{flex:1;position:relative;overflow:hidden;}
.wave-svg{width:150%;height:100%;position:absolute;animation:waveform 7s linear infinite;}
.card-row-bottom{display:flex;gap:22px;margin-top:10px;font-size:11px;color:var(--faint);position:relative;z-index:2;}
.card-row-bottom b{color:#D8D7D2;font-weight:600;}
.tele-row{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid rgba(255,255,255,0.08);font-size:14px;color:#9A9994;}
.tele-row b{color:var(--text);font-weight:600;}
.op-banner{margin-top:20px;padding:14px;background:rgba(198,255,60,0.07);border:1px solid rgba(198,255,60,0.25);border-radius:3px;font-size:12px;color:var(--accent);}

/* marquee */
.marquee-wrap{padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;white-space:nowrap;}
.marquee{display:inline-flex;gap:70px;animation:marquee 28s linear infinite;font-family:'IBM Plex Mono',monospace;font-size:14px;color:var(--faint);letter-spacing:.05em;text-transform:uppercase;}

/* sections */
.section{max-width:1360px;margin:0 auto;padding:90px 40px;}
.section.narrow{max-width:860px;}
.section-card{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);max-width:none;padding:100px 40px;}
.section-card>*{max-width:1360px;margin-left:auto;margin-right:auto;}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:56px;flex-wrap:wrap;gap:16px;}

.steps-grid,.onboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);}
.step-card{background:var(--ink);padding:36px 28px;transition:background .2s;}
.step-card:hover{background:#141416;}
.icon-ring{width:46px;height:46px;border-radius:50%;border:1.5px solid var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:22px;}
.icon-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);}

.usecases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.uc-card{background:var(--card);border:1px solid var(--line);border-radius:4px;overflow:hidden;transition:border-color .2s,transform .2s,box-shadow .2s;}
.uc-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 20px 40px -20px rgba(0,0,0,0.6);}
.uc-body{padding:26px 28px;}
.tag{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--accent);text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px;}
.img-ph{height:150px;display:flex;align-items:center;justify-content:center;background:repeating-linear-gradient(45deg,#151517,#151517 10px,#121214 10px,#121214 20px);color:var(--faint);font-family:'IBM Plex Mono',monospace;font-size:12px;text-align:center;padding:10px;}
.uc-img{width:100%;height:150px;object-fit:cover;display:block;}

.diffs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:40px;}
.diff-item{transition:transform .2s;}
.diff-item:hover{transform:translateX(4px);}
.diff-stat{font-family:'Unbounded',sans-serif;font-weight:900;font-size:40px;color:var(--accent);margin-bottom:14px;}

.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;text-align:center;}
.stat-val{font-family:'Unbounded',sans-serif;font-weight:900;font-size:clamp(32px,5vw,56px);color:var(--text);}

.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;}
.testi-card{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:32px;transition:transform .2s,border-color .2s;}
.testi-card:hover{transform:translateY(-4px);border-color:var(--accent);}
.testi-quote{font-size:16px;line-height:1.6;margin:0 0 24px;color:#E8E7E2;}

.cta-section{padding:100px 40px;text-align:center;background:linear-gradient(180deg,rgba(198,255,60,0.06),transparent);}

.inner-hero{max-width:1360px;margin:0 auto;padding:160px 40px 0;}
.inner-hero.narrow{max-width:860px;}
.back-link{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--accent);margin-bottom:18px;}

.arch-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:60px;}
.arch-item{background:var(--card);padding:28px;}
.icon-diamond{width:38px;height:38px;border-radius:8px;border:1.5px solid var(--accent);margin-bottom:18px;display:flex;align-items:center;justify-content:center;}
.diamond{width:14px;height:14px;border:1.5px solid var(--accent);transform:rotate(45deg);}

.arch-flow{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:34px 10px;margin-bottom:60px;overflow-x:auto;}
.flow-node{text-align:center;min-width:90px;width:64px;height:64px;border-radius:50%;border:1.5px solid rgba(255,255,255,0.25);display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--sub);}
.flow-node-active{border-color:var(--accent);color:var(--accent);box-shadow:0 0 24px -4px var(--accent);}
.flow-line{flex:1;height:1px;background:repeating-linear-gradient(90deg,var(--accent) 0 6px,transparent 6px 12px);min-width:40px;}

.training-grid,.requirements-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-bottom:60px;}
.training-item{border:1px solid var(--line);border-radius:4px;padding:22px;}
.security-grid,.principles-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-bottom:60px;}
.sec-item{display:flex;gap:14px;align-items:flex-start;padding:20px 0;border-top:1px solid var(--line);}
.check{color:var(--accent);font-family:'IBM Plex Mono',monospace;font-size:13px;}
.principle-item{background:var(--ink);padding:0;}

.panel-card{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:40px;}
.panel-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;}

.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;text-align:left;background:none;border:none;color:var(--text);cursor:pointer;padding:22px 0;display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:15.5px;font-family:'Hanken Grotesk',sans-serif;}
.faq-marker{color:var(--accent);font-family:'IBM Plex Mono',monospace;}
.faq-a{display:none;font-size:14px;color:var(--sub);line-height:1.6;padding:0 0 22px;max-width:700px;}
.faq-item.open .faq-a{display:block;}

.onboard-grid .step-card{padding:30px 26px;}
.demo-features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin:40px 0;}
.feature-card{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:26px;transition:border-color .2s,transform .2s;}
.feature-card:hover{border-color:var(--accent);transform:translateY(-4px);}
.replay-card{margin-bottom:40px;box-shadow:0 0 0 3px rgba(198,255,60,0.13),0 30px 80px -20px rgba(198,255,60,0.27);border-color:rgba(198,255,60,0.33);}
.log-row{display:flex;gap:16px;padding:12px 0;border-top:1px solid rgba(255,255,255,0.08);font-size:13.5px;color:#D8D7D2;}

.form-card{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:40px;margin-bottom:0;display:flex;flex-direction:column;gap:16px;}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;}
.form-card input,.form-card textarea{width:100%;padding:14px;background:var(--ink);border:1px solid rgba(255,255,255,0.15);border-radius:3px;color:var(--text);font-family:'Hanken Grotesk',sans-serif;font-size:14px;}
.form-card textarea{resize:vertical;}
.next-steps{display:flex;flex-direction:column;}
.next-step{display:flex;gap:16px;padding:18px 0;border-top:1px solid var(--line);align-items:flex-start;}
.next-step p{margin:0;}

.footer{border-top:1px solid var(--line);}
.footer-inner{padding:60px 40px;max-width:1360px;margin:0 auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;align-items:center;}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--faint);}
.footer-links{display:flex;gap:24px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--faint);}

@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes waveform{from{transform:translateX(0)}to{transform:translateX(-33.3333%)}}
@keyframes sweep{from{left:-10%}to{left:110%}}

@media (max-width:860px){
  .nav-links,.nav-cta{display:none;}
  .hamburger{display:flex;}
  .nav-inner{padding:16px 20px;}
  .mobile-panel{padding:0 20px 24px;}
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .usecases-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .usecases-grid{grid-template-columns:1fr;}
  .hero,.inner-hero{padding-left:20px;padding-right:20px;}
  .section{padding:60px 20px;}
  .section-card{padding:60px 20px;}
  .btn-row{flex-direction:column;}
  .btn-row .btn{text-align:center;}
}