@import url('https://api.fontshare.com/v2/css?f[]=clash-display@500,600,700&f[]=general-sans@400,500,600&display=swap');
:root{
  --bg:#06080a; --surface:rgba(255,255,255,.035); --surface2:rgba(255,255,255,.06);
  --border:rgba(166,226,46,.22); --border-soft:rgba(255,255,255,.09);
  --fg:#eef2ef; --muted:#a7b0ad; --dim:#6b7472;
  --lime:#a6e22e; --lime-bright:#c4f53d;
  --display:'Clash Display','General Sans',sans-serif; --body:'General Sans',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);background:
  radial-gradient(1100px 600px at 85% -10%, rgba(166,226,46,.10), transparent 60%),
  radial-gradient(800px 560px at -15% 110%, rgba(123,179,21,.07), transparent 60%),
  var(--bg);
  color:var(--fg);min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:var(--lime);text-decoration:none}
a:hover{color:var(--lime-bright)}
.wrap{max-width:1060px;margin:0 auto;padding:0 22px}
header.top{display:flex;align-items:center;justify-content:space-between;padding:22px 0;border-bottom:1px solid var(--border-soft)}
.brandline{display:flex;align-items:center;gap:12px}
.brandline img{height:26px;width:auto;display:block}
.brandline .wordmark{font-family:var(--display);font-weight:700;font-size:17px;color:var(--lime);letter-spacing:.01em}
.brandline .sep{color:var(--dim);font-size:13px}
.brandline .product{font-size:13px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;font-weight:600}
.client-badge{font-size:12px;color:var(--lime);border:1px solid var(--border);border-radius:99px;padding:6px 14px;background:var(--surface);letter-spacing:.04em}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 12px var(--lime)}
/* hero */
.hero{padding:64px 0 40px}
.hero h1{font-family:var(--display);font-weight:600;font-size:clamp(34px,6vw,58px);line-height:1.03;letter-spacing:-.02em;margin:16px 0 0}
.hero h1 .accent{color:var(--lime)}
.hero p.lead{margin:20px 0 0;font-size:16.5px;line-height:1.7;color:var(--muted);max-width:640px}
.rule{height:1px;background:linear-gradient(90deg,var(--lime),transparent);margin:34px 0}
/* chapter cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;padding-bottom:70px}
.card{position:relative;display:block;background:var(--surface);border:1px solid var(--border-soft);border-radius:16px;padding:22px 22px 20px;transition:border-color .18s,transform .18s;overflow:hidden}
.card:hover{border-color:var(--border);transform:translateY(-2px)}
.card .num{position:absolute;top:6px;right:14px;font-family:var(--display);font-weight:700;font-size:52px;color:rgba(255,255,255,.05);line-height:1}
.card h3{font-family:var(--display);font-weight:600;font-size:19px;color:var(--fg);margin:0 0 8px;letter-spacing:-.01em;padding-right:40px}
.card p{font-size:13.5px;line-height:1.6;color:var(--muted)}
.card .go{margin-top:14px;font-size:12.5px;color:var(--lime);font-weight:600;letter-spacing:.04em}
/* chapter layout */
.layout{display:grid;grid-template-columns:240px 1fr;gap:44px;padding:40px 0 80px}
nav.side{position:sticky;top:24px;align-self:start;font-size:13.5px}
nav.side .side-title{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:12px;font-weight:600}
nav.side a{display:flex;gap:10px;padding:7px 10px;border-radius:9px;color:var(--muted);line-height:1.35}
nav.side a .n{color:var(--dim);font-variant-numeric:tabular-nums;min-width:16px}
nav.side a:hover{background:var(--surface);color:var(--fg)}
nav.side a.active{background:var(--surface2);color:var(--fg);border:1px solid var(--border-soft)}
nav.side a.active .n{color:var(--lime)}
article{max-width:700px;min-width:0}
article .ch-eyebrow{margin-bottom:14px}
article h1{font-family:var(--display);font-weight:600;font-size:clamp(28px,4.4vw,40px);letter-spacing:-.02em;line-height:1.08;margin-bottom:22px}
article h2{font-family:var(--display);font-weight:600;font-size:23px;letter-spacing:-.01em;margin:36px 0 14px}
article h3{font-family:var(--display);font-weight:600;font-size:17.5px;margin:26px 0 10px;color:var(--lime)}
article p{font-size:16px;line-height:1.75;color:#c9d1cd;margin:0 0 16px}
article strong{color:var(--fg)}
article ul,article ol{margin:0 0 18px 22px;color:#c9d1cd;font-size:16px;line-height:1.7}
article li{margin-bottom:8px}
article blockquote{border-left:2px solid var(--lime);background:var(--surface);border-radius:0 12px 12px 0;padding:16px 20px;margin:0 0 18px}
article blockquote p{margin:0;color:var(--fg);font-size:15.5px}
article code{background:var(--surface2);border-radius:6px;padding:2px 7px;font-size:14px;color:var(--lime-bright)}
.tbl-wrap{overflow-x:auto;margin:0 0 18px;border:1px solid var(--border-soft);border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);text-align:left;padding:11px 14px;border-bottom:1px solid var(--border-soft);background:var(--surface)}
td{padding:11px 14px;border-bottom:1px solid rgba(255,255,255,.05);color:#c9d1cd;line-height:1.55;vertical-align:top}
tr:last-child td{border-bottom:none}
/* niche tabs */
.niche-tabs{margin:6px 0 22px;border:1px solid var(--border-soft);border-radius:14px;overflow:hidden;background:var(--surface)}
.tabbar{display:flex;flex-wrap:wrap;gap:4px;padding:8px;border-bottom:1px solid var(--border-soft)}
.tab{font-family:var(--body);font-size:13px;font-weight:600;color:var(--muted);background:transparent;border:1px solid transparent;border-radius:99px;padding:7px 15px;cursor:pointer}
.tab:hover{color:var(--fg)}
.tab.active{color:#0a0c08;background:var(--lime);border-color:var(--lime)}
.pane{display:none;padding:18px 20px 8px}
.pane.active{display:block}
.niche-inline{border:1px solid var(--border);border-radius:14px;background:var(--surface);padding:18px 20px 8px;margin:6px 0 22px}
/* prev / next */
.pager{display:flex;gap:12px;margin-top:46px}
.pager a{flex:1;border:1px solid var(--border-soft);border-radius:14px;padding:16px 18px;background:var(--surface);transition:border-color .18s}
.pager a:hover{border-color:var(--border)}
.pager .dir{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);display:block;margin-bottom:6px}
.pager .t{font-family:var(--display);font-weight:600;font-size:15.5px;color:var(--fg)}
.pager a.next{text-align:right}
footer.foot{border-top:1px solid var(--border-soft);padding:26px 0 40px;font-size:12px;color:var(--dim);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media(max-width:860px){
  .layout{grid-template-columns:1fr;gap:10px;padding-top:24px}
  nav.side{position:static;display:flex;overflow-x:auto;gap:6px;padding-bottom:14px;-webkit-overflow-scrolling:touch}
  nav.side .side-title{display:none}
  nav.side a{white-space:nowrap;border:1px solid var(--border-soft);border-radius:99px;padding:7px 14px}
  nav.side a .n{min-width:auto}
  .hero{padding:44px 0 30px}
}
@media print{
  body{background:#fff;color:#111}
  header.top,nav.side,.pager,footer.foot,.tabbar{display:none}
  article p,article ul,article ol,td{color:#222}
  article h3{color:#3d6b00}
  .niche-tabs,.niche-inline{border-color:#ccc;background:#fff}
  .pane{display:none;padding:0}
  .pane.active{display:block}
  .card,.niche-inline{background:#fff}
  a{color:#3d6b00}
}