:root{
  --bg:#010814;--bg2:#060f1e;--surface:#0b1628;--surface2:#111f35;
  --border:rgba(0,200,255,0.1);--border2:rgba(0,200,255,0.2);
  --purple:#00c8ff;--purple-light:#60a5fa;--lavender:#93c5fd;
  --text:#e8f4ff;--muted:rgba(232,244,255,0.65);--muted2:rgba(232,244,255,0.4);
  --green:#00e676;--r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'DM Sans',sans-serif;font-weight:300;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%}
.wrap{max-width:760px;margin:0 auto;padding:0 1.5rem}
nav{display:flex;align-items:center;justify-content:space-between;padding:1.1rem 2rem;border-bottom:1px solid var(--border);backdrop-filter:blur(24px);background:rgba(2,2,5,0.85);position:sticky;top:0;z-index:100}
.nav-logo{font-family:'Syne',sans-serif;font-weight:800;font-size:1.15rem;letter-spacing:-0.03em;color:var(--text);text-decoration:none;display:flex;align-items:center;gap:.5rem}
.nav-logo .tag{font-family:'DM Sans',sans-serif;font-weight:400;font-size:.68rem;color:var(--muted);border:1px solid var(--border2);padding:.15rem .55rem;border-radius:20px;letter-spacing:.04em}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:100px;font-family:'DM Sans',sans-serif;font-size:.85rem;font-weight:500;cursor:pointer;border:none;transition:all .2s;text-decoration:none;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--purple),#9333ea);color:#fff;box-shadow:0 0 0 1px rgba(168,85,247,0.3),0 8px 30px rgba(124,58,237,0.3)}
.btn-primary:hover{filter:brightness(1.08)}
.eyebrow{display:inline-block;background:rgba(124,58,237,0.1);border:1px solid var(--border2);color:var(--lavender);font-size:.72rem;padding:.35rem .9rem;border-radius:20px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:1.4rem}
.hero{padding:3.5rem 0 1rem}
h1{font-family:'Space Grotesk',sans-serif;font-size:clamp(1.7rem,4.4vw,2.5rem);font-weight:700;line-height:1.18;letter-spacing:-.02em;margin-bottom:1.3rem;background:linear-gradient(135deg,var(--text) 0%,var(--lavender) 60%,var(--purple-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.intro{font-size:1.05rem;color:var(--muted);margin-bottom:2.2rem;font-weight:300}
article h2{font-family:'Space Grotesk',sans-serif;font-size:1.3rem;font-weight:700;color:var(--text);margin:2.2rem 0 .9rem;letter-spacing:-.01em}
article p{color:var(--muted);margin-bottom:1rem;font-size:.98rem}
article ul,article ol{color:var(--muted);margin:0 0 1.2rem 1.3rem;font-size:.98rem}
article li{margin-bottom:.5rem}
article strong{color:var(--text);font-weight:500}
article a{color:var(--purple-light);text-decoration:underline;text-decoration-color:rgba(96,165,250,0.35)}
.cta-card{margin:3rem 0 2.5rem;padding:2.2rem 1.8rem;border-radius:var(--r);background:linear-gradient(135deg,rgba(0,200,255,0.08),rgba(147,51,234,0.1));border:1px solid var(--border2);text-align:center}
.cta-card h3{font-family:'Space Grotesk',sans-serif;font-size:1.35rem;font-weight:700;margin-bottom:.6rem;color:var(--text)}
.cta-card p{color:var(--muted);margin-bottom:1.4rem;font-size:.95rem}
.related{margin:2.5rem 0;padding-top:2rem;border-top:1px solid var(--border)}
.related h3{font-family:'Space Grotesk',sans-serif;font-size:1.05rem;font-weight:700;margin-bottom:1rem;color:var(--text)}
.related-list{display:grid;gap:.6rem}
.related-list a{display:block;padding:.85rem 1.1rem;background:var(--surface);border:1px solid var(--border);border-radius:10px;color:var(--muted);text-decoration:none;font-size:.88rem;transition:all .2s}
.related-list a:hover{border-color:var(--border2);color:var(--text)}
footer{border-top:1px solid var(--border);padding:2.2rem 1.5rem;text-align:center;color:var(--muted2);font-size:.78rem;margin-top:2rem}
footer a{color:var(--muted);text-decoration:underline}
/* index / hub */
.hub-hero{padding:4rem 0 2.5rem;text-align:center}
.hub-hero h1{font-size:clamp(2rem,5.5vw,3.2rem)}
.hub-hero p{color:var(--muted);font-size:1.05rem;max-width:560px;margin:0 auto 1.8rem}
.cat-block{margin-bottom:2.6rem}
.cat-block h2{font-family:'Space Grotesk',sans-serif;font-size:1.15rem;font-weight:700;color:var(--lavender);margin-bottom:1rem;letter-spacing:-.01em}
.q-list{display:grid;gap:.65rem}
.q-list a{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.2rem;background:var(--surface);border:1px solid var(--border);border-radius:12px;color:var(--text);text-decoration:none;font-size:.93rem;transition:all .2s}
.q-list a:hover{border-color:var(--border2);background:var(--surface2)}
.q-list a .arrow{color:var(--muted);flex-shrink:0}
@media(max-width:640px){nav{padding:1rem 1.2rem}.hero{padding:2.4rem 0 .5rem}}