:root{--bg:#0d0f12;--fg:#f7fafc;--muted:#b7c2cf;--accent:#a7f3d0;--accent2:#93c5fd;--card:#12151b}
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(180deg,#0d0f12,#12151b);color:var(--fg);font:400 18px/1.8 ui-sans-serif,system-ui,-apple-system,Segoe UI,Inter,Roboto,Helvetica,Arial}
main{max-width:980px;margin:0 auto;padding:28px}
a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:underline}
header.site{position:sticky;top:0;background:#0e1218cc;backdrop-filter:blur(8px);border-bottom:1px solid #1c2330;z-index:10}
header.site .wrap{display:flex;gap:16px;align-items:center;justify-content:space-between;max-width:980px;margin:0 auto;padding:14px 18px}
.brand{font-weight:800;letter-spacing:.5px;background:linear-gradient(90deg,#a7f3d0,#93c5fd);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
nav.top a{margin:0 8px;color:#dbeafe;font-weight:600}
nav.top a.active{color:#fff;border-bottom:3px solid var(--accent2)}
.footer{border-top:1px solid #1c2330;margin-top:48px;padding:26px 0;color:var(--muted);text-align:center}
figure{margin:26px auto;text-align:center;background:rgba(255,255,255,0.02);padding:12px;border-radius:12px}
figcaption{color:var(--muted);font-size:1rem;margin-top:8px}
h1{font:800 44px/1.2 ui-serif,Georgia,Times,serif;margin:20px 0;color:#e6f0ff}
h2{font:700 28px/1.3 ui-serif,Georgia,Times,serif;margin:30px 0 14px 0;color:#cffafe;border-bottom:1px dashed #203046;padding-bottom:6px}
h3{font-size:22px;margin-top:20px;color:#c7d2fe}
p,li{color:#eaf2ff}
.card{background:var(--card);border:1px solid #1b2432;border-radius:14px;padding:20px;margin:18px 0}
.highlight{background:rgba(147,197,253,.15);padding:2px 6px;border-radius:6px}
blockquote{border-left:4px solid #374151;margin:18px 0;padding:10px 16px;color:#dbeafe;background:#0f1420;border-radius:8px}
table{width:100%;border-collapse:collapse;margin:18px 0;background:#0f1420;border-radius:10px;overflow:hidden}
th,td{border:1px solid #1f2937;padding:12px;text-align:left}
button.cta{display:inline-block;background:linear-gradient(90deg,#a7f3d0,#93c5fd);color:#0a0f14;padding:14px 22px;border-radius:999px;border:none;font-weight:800;cursor:pointer}