/* Zeno content pages (blog, guidelines) — 2026-09-19.
   Mirrors the app's design tokens (index.html :root) and legal.css conventions:
   dark by default, light theme via body.theme-light set by a tiny inline script. */
:root{
  --bg:#07070f; --surface:#0e0e1a; --card:#111120; --border:rgba(255,255,255,.12);
  --text:#ddddf0; --muted:#8f8fb0; --accent:#8b6fff; --accent2:#ff7eb3; --accent3:#5fffd4;
}
body.theme-light{
  --bg:#eef5f9; --surface:#fff; --card:#fff; --border:rgba(13,110,140,.18);
  --text:#14202b; --muted:#4a6472; --accent:#0ea5c4; --accent2:#14b8a6; --accent3:#0e9488;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:'Outfit',system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--accent3)}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto}

/* ── Top bar ───────────────────────────────────────────── */
.zc-top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 92%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.zc-top .in{max-width:860px;margin:0 auto;padding:11px 20px;display:flex;align-items:center;
  justify-content:space-between;gap:14px;flex-wrap:wrap}
.zc-brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--text);
  font-weight:700;letter-spacing:.02em;font-size:17px}
.zc-brand .mark{width:28px;height:28px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;display:flex;
  align-items:center;justify-content:center;font-family:'Fraunces',Georgia,serif;font-style:italic;
  font-weight:800;font-size:16px}
.zc-nav{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:13.5px;font-weight:600}
.zc-nav a{color:var(--muted);text-decoration:none}
.zc-nav a:hover,.zc-nav a[aria-current]{color:var(--text)}

/* ── Layout ────────────────────────────────────────────── */
main{max-width:860px;margin:0 auto;padding:30px 20px 10px}
.zc-crumb{font-size:12.5px;color:var(--muted);margin:0 0 14px}
.zc-crumb a{color:var(--muted);text-decoration:none}
.zc-crumb a:hover{color:var(--text)}
h1{font-family:'Fraunces',Georgia,serif;font-weight:300;font-size:clamp(28px,5.6vw,41px);
  line-height:1.18;margin:0 0 10px;letter-spacing:.01em}
.zc-meta{color:var(--muted);font-size:13px;margin:0 0 8px;display:flex;flex-wrap:wrap;gap:4px 14px}
.zc-tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent3);border:1px solid var(--border);border-radius:999px;padding:3px 11px}
.zc-lead{font-size:18.5px;line-height:1.65;color:var(--text);opacity:.93;margin:18px 0 8px}
article h2{font-family:'Fraunces',Georgia,serif;font-weight:400;font-size:clamp(21px,3.6vw,26px);
  line-height:1.3;margin:38px 0 10px;scroll-margin-top:70px}
article h3{font-size:17px;font-weight:700;margin:26px 0 6px;color:var(--text)}
article p{margin:0 0 15px}
article ul,article ol{padding-left:24px;margin:0 0 15px}
article li{margin:7px 0}
article strong{color:var(--text);font-weight:700}
blockquote{margin:18px 0;padding:13px 18px;border-left:3px solid var(--accent);
  background:var(--card);border-radius:0 12px 12px 0;color:var(--text)}
blockquote p:last-child{margin:0}

/* Example / wrong-vs-right boxes */
.zc-ex{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px 18px;margin:18px 0}
.zc-ex p{margin:6px 0}
.zc-no{color:#ff8b8b}
.zc-yes{color:var(--accent3)}
.zc-no b,.zc-yes b{font-weight:700}

table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px;display:block;overflow-x:auto}
th,td{border:1px solid var(--border);padding:9px 12px;text-align:left;vertical-align:top}
th{background:var(--card);font-weight:700;white-space:nowrap}

/* ── Call to action ────────────────────────────────────── */
.zc-cta{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:22px;margin:34px 0 10px}
.zc-cta h2{margin-top:0}
.zc-btn{display:inline-block;margin-top:8px;padding:12px 24px;border-radius:12px;
  background:var(--accent);color:#fff;text-decoration:none;font-weight:700;font-size:15px}
.zc-btn:hover{color:#fff;opacity:.92}

/* ── Related ───────────────────────────────────────────── */
.zc-rel{margin:34px 0 0;border-top:1px solid var(--border);padding-top:20px}
.zc-rel h2{font-size:19px;margin:0 0 12px}
.zc-rel ul{list-style:none;padding:0;margin:0}
.zc-rel li{margin:9px 0}
.zc-rel a{font-weight:600;text-decoration:none}
.zc-rel span{display:block;color:var(--muted);font-size:13.5px;font-weight:400}

/* ── Blog index cards ──────────────────────────────────── */
.zc-grid{display:grid;grid-template-columns:1fr;gap:14px;margin:26px 0 8px}
@media(min-width:700px){.zc-grid{grid-template-columns:1fr 1fr}}
.zc-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px 20px;
  text-decoration:none;color:var(--text);display:flex;flex-direction:column;gap:7px;transition:border-color .2s}
.zc-card:hover{border-color:var(--accent);color:var(--text)}
.zc-card h2{font-family:'Outfit',sans-serif;font-size:17.5px;font-weight:700;line-height:1.35;margin:0}
.zc-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
.zc-card .zc-tag{align-self:flex-start;margin-bottom:2px}

/* ── Footer ────────────────────────────────────────────── */
footer.zc-foot{max-width:860px;margin:0 auto;padding:26px 20px 46px;border-top:1px solid var(--border);
  color:var(--muted);font-size:13px;margin-top:34px}
footer.zc-foot nav{display:flex;flex-wrap:wrap;gap:7px 18px;margin-bottom:9px}
footer.zc-foot a{color:var(--muted);text-decoration:none}
footer.zc-foot a:hover,footer.zc-foot a[aria-current]{color:var(--text)}