/* ============================================================
   Blog styling — same design tokens as the main site, kept in a
   separate file so a post page stays small and the browser caches
   this once for every article.
   ============================================================ */
:root{
  --navy:#1E2A4A; --navy-2:#121B33; --navy-3:#0E1730;
  --indigo:#4F46E5; --gold:#F5B82E; --gold-dark:#B8860B;
  --bg:#EDF1F9; --surface:#FFFFFF;
  --ink:#1A1D29; --grey:#6B7280; --line:#E3E8F2;
  --green:#1FA971;
  --radius:16px; --shadow:0 10px 28px rgba(30,42,74,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px}
h1,h2,h3,h4{font-family:'Poppins',sans-serif;line-height:1.25}
img{max-width:100%;height:auto;display:block}
a{color:var(--indigo)}
.container{max-width:1140px;margin:0 auto;padding:0 20px}
:focus-visible{outline:3px solid var(--indigo);outline-offset:2px;border-radius:6px}

/* ---- nav (mirrors the homepage) ---- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:26px;height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--navy);color:var(--gold);display:grid;place-items:center;font-family:'Poppins';font-weight:800;font-size:13px;border:2px solid var(--gold)}
.logo-name{font-family:'Poppins';font-weight:700;color:var(--navy);font-size:16px}
.logo-name .ai{background:var(--gold);color:var(--navy);border-radius:6px;padding:1px 6px;margin-left:4px;font-size:13px}
.nav-links{display:flex;gap:22px;margin-left:auto}
.nav-links a{color:var(--ink);text-decoration:none;font-size:14px;font-weight:500}
.nav-links a:hover{color:var(--indigo)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;text-decoration:none;border-radius:12px;padding:12px 22px;font-size:15px;border:0;cursor:pointer;white-space:nowrap;transition:transform .15s}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:var(--navy);box-shadow:0 8px 20px rgba(245,184,46,.35)}
.btn-indigo{background:var(--indigo);color:#fff;box-shadow:0 8px 20px rgba(79,70,229,.30)}
.nav .btn{padding:9px 16px;font-size:14px}

.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0;flex:none}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--navy);border-radius:2px;transition:transform .25s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.menu-overlay{position:fixed;inset:0;background:rgba(14,23,48,.55);backdrop-filter:blur(2px);z-index:98;opacity:0;transition:opacity .25s}
.menu-overlay.show{opacity:1}
.menu-drawer{position:fixed;top:0;right:0;height:100dvh;width:min(320px,86vw);background:var(--surface);z-index:99;box-shadow:-18px 0 46px rgba(14,23,48,.28);display:flex;flex-direction:column;transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);padding:calc(env(safe-area-inset-top) + 16px) 20px calc(env(safe-area-inset-bottom) + 20px)}
.menu-drawer.show{transform:translateX(0)}
.menu-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.menu-title{font-family:'Poppins';font-weight:700;color:var(--navy);font-size:15px}
.menu-close{width:38px;height:38px;border:1px solid var(--line);background:#fff;border-radius:11px;font-size:23px;line-height:1;color:var(--navy);cursor:pointer;display:grid;place-items:center}
.menu-links{display:flex;flex-direction:column;margin-top:10px;flex:1;overflow-y:auto}
.menu-links a{display:flex;align-items:center;justify-content:space-between;padding:15px 4px;color:var(--ink);text-decoration:none;font-size:16px;font-weight:600;border-bottom:1px solid var(--line)}
.menu-links a .chev{color:#B6C0D6;font-weight:400}
.menu-foot{padding-top:16px;border-top:1px solid var(--line);margin-top:8px}
.menu-foot .btn{width:100%}
body.menu-open{overflow:hidden}

/* ---- blog hero ---- */
.blog-hero{background:radial-gradient(900px 400px at 80% -20%,rgba(79,70,229,.35),transparent 60%),linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;padding:60px 0 52px}
.blog-hero h1{font-size:clamp(30px,5vw,44px);font-weight:800;margin:16px 0 10px}
.blog-hero p{color:#C7CFE2;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);border:1px solid rgba(245,184,46,.55);padding:7px 14px;border-radius:999px}

/* ---- listing ---- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-decoration:none;display:block;color:inherit;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s}
.post-card:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(30,42,74,.16)}
.post-card .cat{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--indigo)}
.post-card h2{font-size:19px;color:var(--navy);margin:9px 0 8px;line-height:1.35;font-weight:700}
.post-card p{font-size:14.5px;color:var(--grey)}
.post-card .date{font-size:12px;color:#9AA4B8;margin-top:14px;display:block}
.empty-note{color:var(--grey);text-align:center;padding:40px 0}

/* ---- article ---- */
.article{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);max-width:780px;margin:0 auto;padding:44px 44px 40px}
.article .meta{font-size:13px;color:#9AA4B8;margin-bottom:8px}
.article .meta .cat{color:var(--indigo);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:11px}
.article h1{font-size:clamp(26px,4vw,36px);color:var(--navy);margin:6px 0 18px}
.article h2{font-size:clamp(20px,3vw,25px);color:var(--navy);margin:34px 0 12px;padding-top:6px}
.article h3{font-size:18.5px;color:var(--navy);margin:26px 0 10px}
.article p{margin:0 0 16px;color:#2C3242}
.article ul,.article ol{margin:0 0 18px 22px}
.article li{margin-bottom:9px;color:#2C3242}
.article strong{color:var(--navy)}
.article blockquote{border-left:4px solid var(--gold);background:#FFFBF0;padding:16px 20px;margin:22px 0;border-radius:0 12px 12px 0;color:#4A3A12}
.article blockquote p:last-child{margin-bottom:0}
.article table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px}
.article th{background:var(--navy);color:#fff;text-align:left;padding:10px 12px;font-weight:600}
.article td{padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.article tbody tr:nth-child(even){background:#F8FAFD}
.article img{border-radius:12px;margin:22px 0;border:1px solid var(--line)}
.article hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article code{background:#F1F3F9;padding:2px 6px;border-radius:5px;font-size:14px}

/* source box */
.src-box{background:#F6F8FC;border:1px solid var(--line);border-left:4px solid var(--indigo);border-radius:0 12px 12px 0;padding:18px 20px;margin:26px 0}
.src-box h4{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--indigo);margin-bottom:10px}
.src-box a{display:inline-flex;align-items:center;gap:8px;font-weight:600;text-decoration:none;font-size:14.5px;margin:4px 0}
.src-box a:hover{text-decoration:underline}

/* end-of-article CTA */
.post-cta{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;border-radius:20px;padding:34px 30px;text-align:center;margin:36px auto 0;max-width:780px}
.post-cta h3{font-size:22px;margin-bottom:8px}
.post-cta p{color:#C7CFE2;margin-bottom:20px;font-size:15px}
.post-cta .btn{margin:5px}

.disclaimer{font-size:12.5px;color:var(--grey);max-width:780px;margin:26px auto 0;line-height:1.6}
.blog-foot{background:var(--surface);border-top:1px solid var(--line);padding:34px 0 44px;margin-top:52px;text-align:center}
.blog-foot a{text-decoration:none;font-weight:600}

@media (max-width:960px){
  .nav-toggle{display:flex}
  .nav .nav-cta,.nav-links{display:none}
  .post-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .article{padding:28px 20px 30px;border-radius:16px}
  .blog-hero{text-align:center}
  .blog-hero p{margin-inline:auto}
  .logo-name{font-size:14px;white-space:nowrap}
  .logo-mark{width:32px;height:32px;font-size:12px}
}