:root{
  --ink:#030914;--navy:#071322;--panel:#0b1a2d;--panel2:#0e2239;--line:#193653;
  --text:#f3f7fb;--muted:#9bb0c6;--cyan:#16d8ff;--blue:#208bff;--mint:#5ee0bd;
  --amber:#ffbd59;--red:#ff6b6b;--shadow:0 22px 70px rgba(0,0,0,.38);
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 85% -10%,#0c3154 0,transparent 26%),linear-gradient(180deg,#020712,#050d18 48%,#030914);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.55}
a{color:inherit}.shell{max-width:1320px;margin:auto;padding:0 28px}
nav{position:sticky;top:0;z-index:30;background:rgba(3,9,20,.82);backdrop-filter:blur(18px);border-bottom:1px solid rgba(25,54,83,.7)}
.navin{height:76px;display:flex;align-items:center;gap:18px}.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.11em}.brand img{width:42px;height:42px}.brand b{color:var(--cyan)}
.navlinks{margin-left:auto;display:flex;gap:24px;align-items:center}.navlinks a{text-decoration:none;color:var(--muted);font-size:14px}.navlinks a:hover{color:white}
.badge{border:1px solid #2f6f85;border-radius:999px;padding:8px 12px;color:var(--mint);font-size:11px;font-weight:900;letter-spacing:.09em}
.hero{min-height:760px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:60px;position:relative}
.kicker{font-size:12px;letter-spacing:.25em;color:var(--cyan);font-weight:900;text-transform:uppercase}
h1{font-size:clamp(48px,6vw,88px);line-height:.96;letter-spacing:-.055em;margin:14px 0 25px;max-width:880px}
h1 .grad{background:linear-gradient(90deg,#fff 0%,#bdefff 48%,#3ddcff 100%);-webkit-background-clip:text;color:transparent}
.lead{font-size:20px;color:#b3c5d7;max-width:720px}.cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.btn{padding:13px 18px;border-radius:12px;text-decoration:none;font-weight:800;font-size:14px;border:1px solid var(--line);background:var(--panel)}
.btn.primary{background:linear-gradient(135deg,#0e91d9,#15ccec);color:#00111c;border:0}.btn:hover{transform:translateY(-1px)}
.hero-art{position:relative;height:520px}.orbit{position:absolute;inset:40px;border-radius:50%;border:1px solid rgba(22,216,255,.16);animation:spin 30s linear infinite}.orbit.o2{inset:95px;animation-direction:reverse;animation-duration:22s}.orbit.o3{inset:150px;animation-duration:17s}
.node{position:absolute;background:#0a1d31;border:1px solid #1e5779;border-radius:18px;box-shadow:var(--shadow);padding:14px 16px;font-size:12px;color:#b7cadb;min-width:150px}.node strong{display:block;color:#fff;font-size:15px;margin-bottom:3px}.node em{color:var(--cyan);font-style:normal;font-size:10px;font-weight:900;letter-spacing:.08em}
.n1{top:40px;left:38%}.n2{top:195px;right:0}.n3{bottom:45px;left:42%}.n4{top:205px;left:0}
.core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:180px;height:180px;border-radius:50%;display:grid;place-items:center;text-align:center;background:radial-gradient(circle at 35% 30%,#123d61,#071322 65%);border:1px solid #20b9df;box-shadow:0 0 80px rgba(22,216,255,.15)}.core b{font-size:34px;color:var(--cyan)}.core span{font-size:11px;color:#9ec1d5;font-weight:900;letter-spacing:.12em}
@keyframes spin{to{transform:rotate(360deg)}}
section{padding:90px 0}.section-head{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px;align-items:end;margin-bottom:34px}.section-head h2{font-size:44px;line-height:1.04;letter-spacing:-.035em;margin:8px 0}.section-head p{color:var(--muted);font-size:17px}
.user-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.user-card,.glass{background:linear-gradient(180deg,rgba(14,34,57,.9),rgba(7,19,34,.96));border:1px solid var(--line);border-radius:20px;box-shadow:0 18px 48px rgba(0,0,0,.2)}
.user-card{padding:22px;min-height:190px}.num{font-size:12px;color:var(--cyan);font-weight:900;letter-spacing:.1em}.user-card h3{font-size:19px;margin:10px 0 8px}.user-card p{color:var(--muted);font-size:14px;margin:0}
.transmission{padding:35px}.chain{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;align-items:stretch}.stage{position:relative;padding:18px 14px;border-radius:16px;background:#071725;border:1px solid #183a57}.stage:not(:last-child):after{content:"→";position:absolute;right:-10px;top:50%;transform:translate(50%,-50%);color:var(--cyan);font-weight:900;background:var(--ink);border-radius:99px;padding:2px 6px;z-index:2}.stage b{display:block;color:var(--cyan);font-size:11px;letter-spacing:.08em}.stage h4{margin:5px 0 8px;font-size:14px}.stage p{margin:0;color:var(--muted);font-size:12px}
.method-callout{margin-top:18px;padding:18px;border-radius:15px;border:1px solid rgba(255,189,89,.32);background:rgba(255,189,89,.05);color:#d8c39e}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0 26px}.chip{cursor:pointer;border:1px solid var(--line);background:#081728;color:#aac0d4;border-radius:999px;padding:8px 12px;font:inherit;font-size:12px;font-weight:800}.chip.active,.chip:hover{border-color:#16d8ff;color:#fff;background:#0b2b43}
.data-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.data-card{padding:20px;position:relative;overflow:hidden}.data-card:before{content:"";position:absolute;width:90px;height:90px;border-radius:50%;right:-35px;top:-35px;background:rgba(22,216,255,.06)}.pill{font-size:10px;color:var(--cyan);font-weight:900;letter-spacing:.09em;text-transform:uppercase}.data-card h3{font-size:18px;margin:8px 0}.meta{font-size:12px;color:#7792aa;margin-bottom:12px}.data-card p{font-size:13px;color:var(--muted)}.source-link{display:inline-flex;gap:6px;align-items:center;text-decoration:none;color:#d7f8ff;font-size:12px;font-weight:800;margin-top:10px}.source-link:hover{color:var(--cyan)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}.signal-list{display:grid;gap:10px}.signal{padding:18px;display:grid;grid-template-columns:150px 1fr;gap:18px}.signal .tag{font-size:10px;color:var(--amber);font-weight:900;letter-spacing:.08em}.signal h4{margin:3px 0}.signal p{margin:0;color:var(--muted);font-size:13px}
.sources{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.source{padding:18px}.source h4{margin:0 0 5px}.source p{color:var(--muted);font-size:13px}.source a{font-size:12px;color:var(--cyan);text-decoration:none}
.principle{padding:45px;text-align:center;position:relative;overflow:hidden}.principle:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at center,rgba(22,216,255,.10),transparent 55%)}.principle blockquote{position:relative;font-size:clamp(25px,3vw,42px);line-height:1.18;font-weight:900;letter-spacing:-.025em;margin:0 auto 14px;max-width:920px}.principle p{position:relative;color:var(--muted)}
footer{padding:50px 0;border-top:1px solid var(--line);color:#7891a8;font-size:12px}.foot{display:flex;justify-content:space-between;gap:20px;align-items:center}.foot strong{color:white}
.reveal{opacity:0;transform:translateY(18px);transition:.7s ease}.reveal.show{opacity:1;transform:none}
@media(max-width:980px){.hero{grid-template-columns:1fr;min-height:auto;padding:80px 0}.hero-art{height:430px}.user-grid,.data-grid,.sources{grid-template-columns:repeat(2,1fr)}.chain{grid-template-columns:repeat(3,1fr)}.stage:not(:last-child):after{display:none}.section-head{grid-template-columns:1fr}.navlinks{display:none}}
@media(max-width:650px){.shell{padding:0 18px}section{padding:62px 0}.hero-art{height:360px}.user-grid,.data-grid,.sources,.split{grid-template-columns:1fr}.chain{grid-template-columns:1fr 1fr}.signal{grid-template-columns:1fr}.node{min-width:115px;padding:10px;font-size:10px}.core{width:135px;height:135px}.core b{font-size:26px}.n2{right:-5px}.n4{left:-5px}.foot{flex-direction:column;align-items:flex-start}}