:root{
  --bg:#07080f; --bg2:#0b0d1a; --surface:#10132000; --card:#0f1224; --card2:#141836;
  --line:rgba(140,150,255,.16); --line2:rgba(140,150,255,.28);
  --text:#eef0ff; --muted:#9aa1c7; --dim:#6e7599;
  --blue:#3b82ff; --violet:#8b5cf6; --cyan:#22d3ee; --green:#34d399; --amber:#fbbf24; --rose:#f472b6;
  --radius:16px; --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:
  radial-gradient(900px 500px at 78% -5%,rgba(139,92,246,.22),transparent 60%),
  radial-gradient(700px 480px at 5% 20%,rgba(59,130,255,.16),transparent 60%),
  radial-gradient(800px 500px at 50% 110%,rgba(34,211,238,.10),transparent 60%)}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:8px;background:var(--blue);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

/* nav */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(7,8,15,.72);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.2px}
.brand .mark{width:34px;height:34px}
.brand span b{color:#b7c2ff;font-weight:700}
.links{display:flex;gap:28px;font-size:14px;color:var(--muted)}
.links a:hover{color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:11px 22px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;font-family:inherit}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;box-shadow:0 8px 28px -8px rgba(99,102,241,.7)}
.btn.ghost{background:rgba(255,255,255,.04);border-color:var(--line2);color:var(--text)}
.btn.ghost:hover{background:rgba(255,255,255,.08)}
.btn.sm{padding:9px 18px;font-size:14px}
.burger{display:none;background:none;border:1px solid var(--line2);color:var(--text);border-radius:10px;padding:8px 10px;cursor:pointer}

/* hero */
.hero{padding:64px 0 40px}
.hero .grid{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.chip{display:inline-block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#b9c4ff;border:1px solid var(--line2);background:rgba(99,102,241,.10);padding:6px 12px;border-radius:999px}
h1{font-size:clamp(38px,5.4vw,64px);line-height:1.06;letter-spacing:-.02em;margin:20px 0}
h1 em{font-style:normal;background:linear-gradient(90deg,var(--blue),var(--violet) 60%,var(--rose));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:18px;color:var(--muted);max-width:540px}
.cta{display:flex;gap:14px;margin:28px 0;flex-wrap:wrap}
.pillars{display:flex;gap:26px;flex-wrap:wrap;margin-top:34px}
.pillars div{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--muted);max-width:170px;line-height:1.35}
.ico{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;border:1px solid var(--line2);background:rgba(99,102,241,.12);flex:none}
.ico svg{width:20px;height:20px;stroke:#b7c2ff}
.hq{position:relative}
.hq svg{width:100%;height:auto;filter:drop-shadow(0 30px 60px rgba(99,102,241,.35))}
.tag{position:absolute;font-size:12px;background:rgba(12,14,30,.85);border:1px solid var(--line2);border-radius:10px;padding:7px 10px;backdrop-filter:blur(6px);line-height:1.25}
.tag b{display:block;font-size:12.5px}.tag span{color:var(--muted);font-size:11px}

/* strip */
.strip{margin-top:30px;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);background:rgba(15,18,36,.7)}
.strip div{padding:20px 22px;border-right:1px solid var(--line);font-size:13px;color:var(--muted)}
.strip div:last-child{border:0}
.strip b{display:block;color:var(--text);font-size:15px;margin-bottom:2px}

/* sections */
section{padding:84px 0}
.h2{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
h2{font-size:clamp(26px,3.2vw,36px);letter-spacing:-.01em}
.sub{color:var(--muted);max-width:720px;margin-bottom:34px}
.cards{display:grid;gap:18px}
.c4{grid-template-columns:repeat(4,1fr)}.c3{grid-template-columns:repeat(3,1fr)}.c5{grid-template-columns:repeat(5,1fr)}
.card{background:linear-gradient(180deg,rgba(20,24,54,.9),rgba(13,16,34,.9));border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--line2);transform:translateY(-2px)}
.card h3{font-size:17px;margin:14px 0 6px}
.card p{font-size:14px;color:var(--muted)}
.badge{display:inline-block;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;padding:3px 9px;border-radius:999px;border:1px solid;font-weight:600}
.b-plan{color:#c4b5fd;border-color:rgba(139,92,246,.5);background:rgba(139,92,246,.12)}
.b-dev{color:#7dd3fc;border-color:rgba(34,211,238,.5);background:rgba(34,211,238,.10)}
.b-live{color:#86efac;border-color:rgba(52,211,153,.5);background:rgba(52,211,153,.10)}

/* agents */
.agent{padding:0;overflow:hidden}
.agent .art{height:170px;display:grid;place-items:center;position:relative}
.agent .art svg{width:130px;height:130px}
.agent .body{padding:16px 18px 20px}
.agent h3{margin:0;font-size:15px;letter-spacing:.06em}
.agent .role{font-size:12.5px;color:#b7c2ff;margin-bottom:8px}

/* steps */
.step .num{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:700;background:linear-gradient(135deg,var(--blue),var(--violet))}
.step:nth-child(2) .num{background:linear-gradient(135deg,var(--blue),var(--cyan))}
.step:nth-child(3) .num{background:linear-gradient(135deg,var(--green),var(--cyan))}

/* architecture */
.arch{display:grid;grid-template-columns:1fr 36px 1.5fr 36px 1fr;gap:10px;align-items:stretch}
.col{border:1px solid var(--line);border-radius:var(--radius);background:rgba(15,18,36,.7);padding:18px}
.col h3{font-size:14px;margin-bottom:12px;color:#c9d0ff}
.item{border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:9px;font-size:13px;background:rgba(255,255,255,.02)}
.item small{display:block;color:var(--dim);font-size:11.5px}
.arrow{display:grid;place-items:center;color:var(--cyan)}
.claude{border:1px solid rgba(139,92,246,.6);background:linear-gradient(180deg,rgba(139,92,246,.35),rgba(59,130,255,.18));border-radius:14px;padding:16px;text-align:center;margin-top:6px}
.claude b{display:block;font-size:16px}.claude span{font-size:12px;color:#d8ccff}
.note{margin-top:16px;font-size:13px;color:var(--muted);border-left:2px solid var(--cyan);padding-left:12px}

/* virtual company */
.vc{display:grid;grid-template-columns:1.25fr 1fr;gap:26px;align-items:stretch}
.tower{border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,#0e1130,#090b1a);padding:26px;display:flex;flex-direction:column-reverse;gap:10px;position:relative;overflow:hidden}
.floor{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;text-align:left;width:100%;border:1px solid var(--line);background:rgba(255,255,255,.02);color:var(--text);padding:16px 18px;border-radius:14px;cursor:pointer;font:inherit;transform:perspective(900px) rotateX(8deg);transition:all .2s}
.floor:hover{border-color:var(--line2)}
.floor[aria-pressed="true"]{border-color:var(--cyan);background:rgba(34,211,238,.08);box-shadow:0 0 0 1px rgba(34,211,238,.25) inset,0 12px 30px -12px rgba(34,211,238,.4)}
.floor .lv{font-size:11px;color:var(--dim);letter-spacing:.1em}
.floor strong{display:block;font-size:15px}
.floor span.d{font-size:12.5px;color:var(--muted)}
.dot{width:10px;height:10px;border-radius:50%;background:var(--violet);box-shadow:0 0 12px var(--violet)}
.floor[data-s="dev"] .dot{background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.panel{border:1px solid var(--line);border-radius:20px;padding:26px;background:rgba(15,18,36,.8)}
.panel h3{font-size:22px;margin:10px 0}
.panel p{color:var(--muted);font-size:15px;margin-bottom:12px}
.panel ul{padding-left:18px;color:var(--muted);font-size:14px}
.disclaim{margin-top:14px;font-size:12.5px;color:var(--dim)}

/* roadmap */
.road{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative}
.road::before{content:"";position:absolute;left:0;right:0;top:19px;height:2px;background:linear-gradient(90deg,var(--blue),var(--violet),var(--cyan),var(--green))}
.ph{position:relative;padding-top:50px}
.ph .n{position:absolute;top:0;left:0;width:40px;height:40px;border-radius:50%;background:var(--bg);border:2px solid var(--blue);display:grid;place-items:center;font-size:13px;font-weight:700}
.ph:nth-child(2) .n{border-color:var(--cyan)}.ph:nth-child(3) .n{border-color:var(--green)}.ph:nth-child(4) .n{border-color:var(--violet)}.ph:nth-child(5) .n{border-color:var(--rose)}
.ph h3{font-size:15px;margin-bottom:4px}.ph p{font-size:13px;color:var(--muted);margin-bottom:8px}

/* about / contact */
.about{display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center}
.principles{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.principles div{border:1px solid var(--line);border-radius:12px;padding:14px;font-size:13.5px;color:var(--muted);background:rgba(255,255,255,.02)}
.principles b{display:block;color:var(--text);font-size:14px}
.contact{border:1px solid var(--line2);border-radius:22px;padding:34px;background:linear-gradient(135deg,rgba(59,130,255,.14),rgba(139,92,246,.14));display:flex;justify-content:space-between;gap:24px;align-items:center;flex-wrap:wrap}
.contact h2{margin-bottom:6px}
.contact p{color:var(--muted);max-width:520px}

/* risk + footer */
.risk{border:1px solid rgba(251,191,36,.35);background:rgba(251,191,36,.06);border-radius:var(--radius);padding:20px 24px;font-size:13.5px;color:#e7dcb4}
.risk b{color:var(--amber)}
.risk ul{padding-left:18px;margin-top:8px;display:grid;grid-template-columns:1fr 1fr;gap:2px 28px}
footer{border-top:1px solid var(--line);padding:46px 0 34px;margin-top:40px}
footer .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
footer h4{font-size:13px;color:var(--muted);margin-bottom:10px;font-weight:600}
footer a{display:block;font-size:14px;color:var(--muted);margin-bottom:6px}
footer a:hover{color:var(--text)}
.fine{margin-top:26px;font-size:12px;color:var(--dim)}

/* reveal */
.rv{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.rv{opacity:1;transform:none;transition:none}.btn,.card,.floor{transition:none}}

/* legal pages */
.legal{max-width:760px;margin:0 auto;padding:60px 20px 40px}
.legal h1{font-size:38px;margin:0 0 6px}
.legal h2{font-size:20px;margin:30px 0 8px}
.legal p,.legal li{color:var(--muted);margin-bottom:10px}
.legal ul{padding-left:20px}
.legal .draft{border:1px solid var(--line2);border-radius:12px;padding:12px 16px;font-size:13.5px;color:#c9d0ff;background:rgba(99,102,241,.10)}

@media (max-width:980px){
  .hero .grid,.vc,.about{grid-template-columns:1fr}
  .c4,.c3{grid-template-columns:1fr 1fr}.c5{grid-template-columns:1fr 1fr}
  .strip{grid-template-columns:1fr 1fr}.strip div:nth-child(2){border-right:0}.strip div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .arch{grid-template-columns:1fr}.arrow{transform:rotate(90deg);height:28px}
  .road{grid-template-columns:1fr 1fr}.road::before{display:none}
  footer .grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .links{position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg2);border-bottom:1px solid var(--line);display:none}
  .links.open{display:flex}.links a{padding:14px 20px;border-top:1px solid var(--line)}
  .burger{display:block}.nav .btn.sm{display:none}
  .c4,.c3,.c5,.road,.principles{grid-template-columns:1fr}
  .tag{display:none}
  .risk ul{grid-template-columns:1fr}
  section{padding:60px 0}
}