/* AxiomSquare guides stylesheet. Self-hosted on purpose: the site CSP is
   script-src/style-src 'self', so any CDN (Tailwind, Google Fonts) is blocked. */

:root{
  --navy:#0f172a;
  --navy-2:#1e293b;
  --slate:#334155;
  --slate-soft:#64748b;
  --line:#e2e8f0;
  --bg:#f8fafc;
  --blue:#1d4ed8;
  --blue-soft:#3b82f6;
  --amber:#f59e0b;
  --amber-deep:#b45309;
  --wrap:880px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--slate);
  font-family:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
  line-height:1.75;
  font-size:17px;
}

/* ---------- header ---------- */
.site-header{
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:40;
}
.site-header .bar{
  max-width:var(--wrap);margin:0 auto;padding:0 20px;height:76px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:19px;color:var(--navy);letter-spacing:-.02em}
/* Real AxiomSquare lockup from the landing page. It is a wide navy/amber mark on
   a light background, so it sits as-is in the white header. */
.brand img{height:52px;width:auto;display:block}
.brand .sub{
  font-size:12px;font-weight:600;color:var(--slate-soft);letter-spacing:.01em;
  padding-left:11px;margin-left:1px;border-left:1px solid var(--line);
}
@media(max-width:640px){.brand img{height:40px}.brand .sub{display:none}.site-header .bar{height:64px}}
.nav-links{display:flex;align-items:center;gap:18px}
.nav-links a{color:var(--slate-soft);text-decoration:none;font-size:14px;font-weight:600}
.nav-links a:hover{color:var(--blue)}
.btn-sm{
  background:var(--navy);color:#fff !important;text-decoration:none;
  padding:9px 15px;border-radius:9px;font-size:14px;font-weight:700;white-space:nowrap;
}
.btn-sm:hover{background:var(--navy-2)}
@media(max-width:640px){.nav-links a.hide-sm{display:none}}

/* ---------- hero ---------- */
.hero{
  background:
    radial-gradient(900px 300px at 12% -10%, rgba(59,130,246,.28), transparent 60%),
    radial-gradient(700px 260px at 92% 0%, rgba(245,158,11,.18), transparent 60%),
    linear-gradient(160deg,#0b1220,#1e293b);
  color:#fff;
  border-bottom:3px solid var(--amber);
}
.hero .inner{max-width:var(--wrap);margin:0 auto;padding:54px 20px 46px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);
  color:#fcd34d;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  padding:6px 13px;border-radius:999px;
}
.hero h1{
  margin:18px 0 0;font-size:38px;line-height:1.15;font-weight:800;
  letter-spacing:-.025em;color:#fff;
}
.hero p{margin:14px 0 0;color:#cbd5e1;font-size:18px;max-width:62ch}
.hero .meta{margin-top:18px;color:#94a3b8;font-size:13px}
@media(max-width:640px){.hero h1{font-size:29px}.hero .inner{padding:38px 20px 34px}}

/* ---------- article ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
article{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:34px 40px 40px;margin:-26px auto 46px;position:relative;
  box-shadow:0 10px 30px rgba(15,23,42,.06);
}
@media(max-width:640px){article{padding:24px 20px 30px;border-radius:12px}}
article p{margin:1.05rem 0}
article h2{
  font-size:26px;line-height:1.3;font-weight:800;color:var(--navy);
  margin:2.2rem 0 .7rem;letter-spacing:-.02em;
}
article h3{font-size:19px;font-weight:700;color:var(--navy-2);margin:1.6rem 0 .4rem}
article ul,article ol{margin:1rem 0;padding-left:1.35rem}
article li{margin:.45rem 0}
article strong{color:var(--navy);font-weight:700}
article a{color:var(--blue);text-decoration:underline;text-underline-offset:2px}
article img{max-width:100%;height:auto;display:block;border-radius:12px;border:1px solid var(--line)}
figure{margin:1.6rem 0}
figcaption{font-size:13px;color:var(--slate-soft);text-align:center;margin-top:.6rem}
figure svg{width:100%;height:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
.figure-narrow svg{max-width:330px;margin:0 auto}

/* post cards on the guides index */
.post-list{display:grid;gap:14px;margin:1.2rem 0 2rem}
.post-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:20px 24px;text-decoration:none;color:var(--slate);
  transition:border-color .15s ease, box-shadow .15s ease;
}
.post-card:hover{border-color:var(--blue-soft);box-shadow:0 6px 20px rgba(29,78,216,.10)}
.post-card h3{margin:.55rem 0 .35rem;font-size:20px;font-weight:800;color:var(--navy);letter-spacing:-.015em}
.post-card p{margin:0 0 .6rem;font-size:15.5px;color:var(--slate-soft);line-height:1.6}
.post-tag{
  display:inline-block;background:#eff6ff;border:1px solid #bfdbfe;color:var(--blue);
  font-size:11.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  padding:3px 10px;border-radius:999px;
}
.post-tag-new{background:#fffbeb;border-color:#fde68a;color:var(--amber-deep)}
.post-meta{font-size:13px;color:var(--slate-soft)}

/* callouts */
.note{
  background:#eff6ff;border:1px solid #bfdbfe;border-left:4px solid var(--blue-soft);
  border-radius:10px;padding:14px 18px;margin:1.5rem 0;color:#1e3a8a;font-size:15.5px;
}
.note strong{color:#1e3a8a}
.cta{
  background:linear-gradient(150deg,var(--navy),#334155);color:#fff;
  border-radius:16px;padding:30px 32px;margin:2.4rem 0 1.2rem;
}
.cta h3{color:#fff;margin:0 0 8px;font-size:21px}
.cta p{color:#cbd5e1;margin:0 0 18px}
.cta a{
  display:inline-block;background:var(--amber);color:#0f172a !important;
  text-decoration:none;font-weight:800;padding:11px 22px;border-radius:10px;
}
.cta a:hover{background:#fbbf24}
.disclaimer{font-size:13.5px;color:var(--slate-soft);border-top:1px solid var(--line);padding-top:16px;margin-top:26px}

/* related links */
.related{max-width:var(--wrap);margin:0 auto 50px;padding:0 20px}
.related h4{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--slate-soft);margin:0 0 12px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
.related-grid a{
  display:block;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:15px 17px;text-decoration:none;color:var(--navy);font-weight:600;font-size:15px;
}
.related-grid a:hover{border-color:var(--blue-soft);box-shadow:0 4px 14px rgba(29,78,216,.08)}
.related-grid span{display:block;color:var(--slate-soft);font-weight:400;font-size:13.5px;margin-top:4px}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#94a3b8;font-size:14px}
.site-footer .inner{max-width:var(--wrap);margin:0 auto;padding:34px 20px}
/* The lockup is dark navy, so on the dark footer it sits on a small white plate
   rather than disappearing into the background. */
.site-footer .brand{margin-bottom:14px}
.site-footer .brand img{
  height:40px;background:#fff;border-radius:8px;padding:7px 11px;
}
.site-footer a{color:#93c5fd;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.site-footer .fine{margin-top:14px;color:#64748b;font-size:13px}