:root{
  --ink:#f4f2ff; --dim:#b9b4d6; --faint:#8f89b3;
  --card:rgba(255,255,255,.045); --line:rgba(255,255,255,.09);
}
*{box-sizing:border-box}
body{
  margin:0; color:var(--ink);
  font-family:"Avenir Next","Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(139,92,246,.34), transparent 62%),
    radial-gradient(820px 500px at 88% 4%, rgba(45,212,191,.20), transparent 60%),
    linear-gradient(180deg,#0a0918 0%, #07070d 46%, #08060f 100%);
  background-color:#07070d;
  min-height:100vh;
}
a{color:#a5b4fc}
.wrap{max-width:880px;margin:0 auto;padding:0 22px}
header.top{position:sticky;top:0;z-index:5;backdrop-filter:blur(14px);background:rgba(7,7,13,.66);border-bottom:1px solid var(--line)}
.hbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 0}
.wordmark{font-size:24px;font-weight:800;letter-spacing:-.02em;text-decoration:none;color:var(--ink);white-space:nowrap}
.wordmark .grad{background:linear-gradient(92deg,#c4b5fd,#7dd3fc 55%,#5eead4);-webkit-background-clip:text;background-clip:text;color:transparent}
.back{color:var(--dim);text-decoration:none;font-size:15px;font-weight:600}
.back:hover{color:var(--ink)}
.hero{padding:64px 0 10px}
.eyebrow{font-size:13px;font-weight:800;letter-spacing:.22em;color:#a5b4fc;text-transform:uppercase;margin:0 0 16px}
h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.08;font-weight:850;letter-spacing:-.03em;margin:0 0 20px}
.lede{font-size:clamp(1.02rem,1.8vw,1.18rem);line-height:1.6;color:var(--dim);margin:0 0 10px}
.paper{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:30px 28px 26px;margin:26px 0;box-shadow:0 18px 40px rgba(0,0,0,.35)}
.paper h2{font-size:clamp(1.3rem,2.6vw,1.7rem);line-height:1.25;letter-spacing:-.01em;margin:0 0 10px}
.meta{color:#99f6e4;font-size:13.5px;font-weight:700;letter-spacing:.02em;margin:0 0 16px;word-break:break-all}
.paper p{color:var(--dim);line-height:1.65;font-size:16px;margin:0 0 14px}
.byline{color:var(--ink);font-weight:600}
.links{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.btn{display:inline-block;text-decoration:none;font-weight:800;font-size:15px;border-radius:999px;padding:11px 22px;background:linear-gradient(92deg,#8b5cf6,#0ea5e9);color:#fff}
.btn:hover{filter:brightness(1.1)}
.btn.ghost{background:rgba(255,255,255,.03);border:1px solid var(--line);color:var(--ink)}
.btn.ghost:hover{border-color:rgba(255,255,255,.32)}
footer{border-top:1px solid var(--line);margin-top:44px;padding:26px 0 40px}
.fine{color:var(--faint);font-size:13.5px;line-height:1.55;margin:0 0 8px}