:root{
  --bg:#090b10;--panel:#11141b;--panel2:#151923;--text:#f5f7fb;--muted:#a5aebd;
  --line:rgba(255,255,255,.09);--accent:#8f7cff;--accent2:#35cfff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--text);
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    radial-gradient(circle at 10% 0%,rgba(124,92,255,.14),transparent 30%),
    radial-gradient(circle at 90% 0%,rgba(41,211,255,.07),transparent 24%),var(--bg)
}
a{color:inherit;text-decoration:none}
.topbar{
  position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;
  padding:16px 5vw;border-bottom:1px solid var(--line);
  background:rgba(9,11,16,.84);backdrop-filter:blur(18px)
}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.025em}
.brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:linear-gradient(135deg,var(--accent),var(--accent2));font-weight:850}
.nav{display:flex;gap:8px;align-items:center}
.nav a{padding:9px 12px;border-radius:11px;color:#c5cbd7;font-size:13px}
.nav a:hover{background:rgba(255,255,255,.05);color:#fff}
.nav .primary{background:#fff;color:#111;font-weight:800}
.wrap{max-width:960px;margin:0 auto;padding:78px 24px 110px}
.breadcrumb{font-size:13px;color:#818b9c;margin-bottom:28px}
.eyebrow{font-size:12px;letter-spacing:.14em;font-weight:800;color:#9f8cff}
h1{font-size:clamp(42px,7vw,70px);line-height:1.04;letter-spacing:-.05em;margin:12px 0 18px}
h2{font-size:30px;letter-spacing:-.035em;margin:44px 0 14px}
h3{font-size:20px;margin:28px 0 10px}
.lead{font-size:18px;color:#b6becc;line-height:1.75;max-width:820px}
.article p,.article li{font-size:16px;line-height:1.78;color:#b0b8c6}
.article ul,.article ol{padding-left:24px}
.callout{margin:28px 0;padding:20px 22px;border:1px solid rgba(143,124,255,.22);border-radius:16px;background:rgba(143,124,255,.07);color:#d7d2ff;line-height:1.7}
.article-meta{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0 34px}
.pill{border:1px solid var(--line);border-radius:999px;padding:7px 10px;color:#9ca6b6;font-size:12px}
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:34px}
.guide-card{padding:24px;border-radius:20px;border:1px solid var(--line);background:#11141b;transition:.2s}
.guide-card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.16)}
.guide-card h2{font-size:24px;margin:9px 0 10px}
.guide-card p{color:#9ea7b6;line-height:1.65;font-size:14px}
.guide-card span{font-size:12px;color:#9f8cff;font-weight:800}
.related{margin-top:60px;padding-top:30px;border-top:1px solid var(--line)}
footer{max-width:960px;margin:0 auto;padding:28px 24px 48px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#7d8797;font-size:12px}
.footer-links{display:flex;gap:14px;flex-wrap:wrap}
@media(max-width:700px){.wrap{padding:54px 18px 80px}.guide-grid{grid-template-columns:1fr}.nav a:not(.primary){display:none}h1{font-size:46px}.lead{font-size:16px}}