:root{
  --bg:#07111f;
  --bg2:#0c1728;
  --panel:#0f1e31;
  --panel2:#12263c;
  --text:#eef5fb;
  --muted:#a9bac9;
  --line:#20364d;
  --blue:#55a8ff;
  --teal:#50d2c2;
  --sand:#d7cfbc;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    radial-gradient(circle at 10% 0%,rgba(85,168,255,.13),transparent 28%),
    radial-gradient(circle at 88% 6%,rgba(80,210,194,.09),transparent 24%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.container{width:min(var(--max),calc(100% - 36px));margin:auto}
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(16px);
  background:rgba(7,17,31,.88);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:850;letter-spacing:.04em}
.brand:hover{text-decoration:none}
.brand-logo{width:42px;height:42px;border-radius:50%;object-fit:cover;box-shadow:0 8px 22px rgba(0,0,0,.28);flex:0 0 auto}
nav{display:flex;gap:22px;align-items:center;font-size:.94rem}
nav a{color:#d7e2ec}
nav a:hover{color:#fff;text-decoration:none}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:#fff;border-radius:10px;padding:8px 10px}
.hero{padding:86px 0 60px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--teal);font-weight:800;text-transform:uppercase;
  letter-spacing:.12em;font-size:.76rem
}
.hero h1,.article-hero h1{font-size:clamp(2.45rem,6vw,5.1rem);line-height:1.03;margin:.35em 0 .28em;letter-spacing:-.045em}
.hero p.lead,.article-hero p.lead{font-size:clamp(1.07rem,2vw,1.32rem);max-width:760px;color:#bfd0df}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 19px;border-radius:12px;font-weight:800;
  border:1px solid var(--line)
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--teal));color:#06101e;border:0}
.btn-secondary{color:#fff;background:rgba(255,255,255,.025)}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:48px}
.stat{background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.015));border:1px solid var(--line);border-radius:16px;padding:19px}
.stat strong{display:block;font-size:1.12rem}
.stat span{color:var(--muted);font-size:.92rem}
.section{padding:70px 0}
.section h2{font-size:clamp(1.8rem,3.5vw,2.7rem);line-height:1.14;margin:0 0 14px;letter-spacing:-.025em}
.section-intro{max-width:700px;color:var(--muted);margin-bottom:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:linear-gradient(180deg,var(--panel),rgba(15,30,49,.72));border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 20px 50px rgba(0,0,0,.14)}
.card h3{margin:.1em 0 .45em;font-size:1.2rem}
.card p{color:var(--muted);margin:0}
.card .eyebrow{color:var(--teal);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;font-weight:800}
.note{border-left:3px solid var(--teal);padding:15px 18px;background:rgba(80,210,194,.06);color:#d8e6ef;border-radius:0 12px 12px 0}
.article-hero{padding:70px 0 38px}
.article-hero h1{font-size:clamp(2.4rem,5.5vw,4.5rem);max-width:980px}
.meta{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:.9rem}
.article-shell{display:grid;grid-template-columns:minmax(0,760px) 280px;gap:42px;align-items:start}
.article{font-size:1.055rem}
.article h2{font-size:2rem;line-height:1.2;margin:2.2em 0 .65em;letter-spacing:-.025em}
.article h3{font-size:1.35rem;margin:1.8em 0 .5em}
.article p{margin:0 0 1.15em;color:#d8e5ef}
.article ul{padding-left:1.25em}
.article li{margin:.5em 0}
.article blockquote{margin:1.6em 0;padding:20px 24px;border-left:3px solid var(--blue);background:rgba(85,168,255,.06);color:#edf5fb;border-radius:0 14px 14px 0}
.disclosure{font-size:.92rem;color:#c9d6df;background:#0c1a2b;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:0 0 26px}
.callout{background:linear-gradient(145deg,rgba(85,168,255,.10),rgba(80,210,194,.07));border:1px solid #2b4b67;border-radius:18px;padding:24px;margin:30px 0}
.callout strong{font-size:1.1rem}
.sidebar{position:sticky;top:96px}
.side-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:16px}
.side-card h3{margin:0 0 10px;font-size:1rem}
.side-card p,.side-card li{color:var(--muted);font-size:.92rem}
.side-card ul{padding-left:18px}
.toc a{display:block;padding:6px 0;color:#c9d8e4;font-size:.92rem}
.badge{display:inline-flex;padding:6px 10px;border:1px solid #2f536d;border-radius:999px;color:#bfe9e3;background:rgba(80,210,194,.06);font-size:.8rem}
.author-box{display:grid;grid-template-columns:62px 1fr;gap:16px;align-items:start;border-top:1px solid var(--line);padding-top:28px;margin-top:42px}
.avatar{width:62px;height:62px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--teal));display:grid;place-items:center;color:#07111f;font-weight:950;font-size:1.2rem}
.references{font-size:.92rem;color:var(--muted)}
.site-footer{border-top:1px solid var(--line);padding:42px 0 30px;margin-top:70px;background:#06101d}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.footer-grid p,.footer-grid a{color:#9fb1bf;font-size:.92rem}
.footer-links{display:flex;flex-direction:column;gap:7px}
.small{font-size:.85rem;color:#8ea2b1}
.page-hero{padding:66px 0 30px}
.page-hero h1{font-size:clamp(2.2rem,5vw,3.8rem);margin:.2em 0;letter-spacing:-.04em}
.prose{max-width:780px}
.prose h2{margin-top:2em}
.prose p,.prose li{color:#d3e0ea}
hr{border:0;border-top:1px solid var(--line);margin:35px 0}
@media(max-width:900px){
  nav{display:none}
  nav.open{display:flex;position:absolute;left:18px;right:18px;top:70px;flex-direction:column;align-items:flex-start;padding:18px;background:#0b1828;border:1px solid var(--line);border-radius:14px}
  .menu-btn{display:block}
  .grid-3,.stat-row,.footer-grid{grid-template-columns:1fr}
  .article-shell{grid-template-columns:1fr}
  .sidebar{position:static}
  .hero{padding-top:62px}
}

.author-photo{width:72px;height:72px;border-radius:50%;object-fit:cover;border:2px solid #2b4b67}
.mid-cta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:28px 0;padding:17px 19px;border:1px solid #2b4b67;border-radius:14px;background:rgba(85,168,255,.07)}
.mid-cta strong{color:#fff}.mid-cta span{color:var(--muted);font-size:.94rem;flex:1 1 260px}.mid-cta a{font-weight:800;white-space:nowrap}
.founder-intro{display:grid;grid-template-columns:150px 1fr;gap:24px;align-items:center;margin:30px 0 36px}.founder-intro h2{margin-top:0}.founder-photo{width:150px;height:150px;border-radius:50%;object-fit:cover;border:2px solid #2b4b67}
@media(max-width:600px){.founder-intro{grid-template-columns:1fr}.founder-photo{width:120px;height:120px}}