:root{
  --ink:#0f172a; --muted:#526071; --line:#dbe4ef; --paper:#ffffff;
  --soft:#f5f8fc; --blue:#2563eb; --violet:#6d4aff; --teal:#0f9f9a;
  --good:#126b4a; --warn:#8a5a00; --radius:18px; --shadow:0 18px 60px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.65}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:min(1120px,92vw);margin:auto}
.topnote{font-size:.86rem;background:#0f172a;color:#e6edf8;padding:.55rem 0}
.topnote a{color:#fff;text-decoration:underline}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 0}
.brand{display:flex;align-items:center;gap:.65rem;font-weight:850;color:var(--ink);letter-spacing:-.02em}
.mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--violet));display:grid;place-items:center;color:white;font-weight:900}
nav ul{display:flex;gap:1rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
nav a{color:#273449;font-weight:650;font-size:.95rem}
.hero{padding:5.3rem 0 3.2rem;background:
 radial-gradient(circle at 80% 20%,rgba(109,74,255,.12),transparent 30%),
 radial-gradient(circle at 18% 0%,rgba(37,99,235,.13),transparent 32%),
 linear-gradient(#fff,#f8fbff)}
.eyebrow{display:inline-flex;gap:.45rem;align-items:center;font-size:.82rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);background:#edf4ff;border:1px solid #cfddff;padding:.38rem .62rem;border-radius:999px}
h1{font-size:clamp(2.35rem,5vw,4.9rem);line-height:1.02;letter-spacing:-.055em;margin:.95rem 0 1.15rem;max-width:920px}
h2{font-size:clamp(1.55rem,3vw,2.25rem);line-height:1.15;letter-spacing:-.03em;margin:2.5rem 0 .9rem}
h3{font-size:1.22rem;line-height:1.28;margin:1.5rem 0 .5rem}
.lead{font-size:1.18rem;color:var(--muted);max-width:780px}
.ctas{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.6rem 0}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:.82rem 1.05rem;font-weight:800;border:1px solid transparent}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,var(--blue),var(--violet));color:white;box-shadow:0 10px 28px rgba(37,99,235,.18)}
.btn.secondary{border-color:var(--line);color:var(--ink);background:white}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1rem}
.card{grid-column:span 4;background:white;border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow)}
.card h3{margin-top:.25rem}
.card p{color:var(--muted)}
main{padding-bottom:4rem}
.article{width:min(820px,92vw);margin:2.8rem auto}
.article .meta{font-size:.9rem;color:var(--muted);margin-bottom:1rem}
.article p,.article li{color:#263447}
.callout{border:1px solid #cfe0ff;background:#f4f8ff;border-radius:16px;padding:1rem 1.1rem;margin:1.4rem 0}
.callout.warn{border-color:#f1d6a6;background:#fff9ec}
.callout.good{border-color:#bde8d5;background:#f0fbf6}
table{width:100%;border-collapse:separate;border-spacing:0;margin:1.25rem 0;border:1px solid var(--line);border-radius:14px;overflow:hidden;font-size:.95rem}
th,td{text-align:left;padding:.82rem .78rem;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f3f6fb}
tr:last-child td{border-bottom:0}
.kicker{font-size:.86rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:var(--blue)}
.tag{display:inline-block;font-size:.77rem;font-weight:750;border:1px solid var(--line);background:var(--soft);padding:.2rem .48rem;border-radius:999px;margin:.1rem}
.sourcebox{margin-top:2.5rem;border-top:1px solid var(--line);padding-top:1rem;font-size:.9rem}
.sourcebox ul{padding-left:1.15rem}
.affbox{margin:2rem 0;background:#101a32;color:white;border-radius:20px;padding:1.3rem 1.4rem}
.affbox p{color:#dbe5fa}
.affbox .btn{background:white;color:#172554}
.related{margin-top:2.6rem;padding-top:1.3rem;border-top:1px solid var(--line)}
.related ul{columns:2;padding-left:1.15rem}
footer{background:#0d1528;color:#cbd5e1;padding:2.6rem 0;margin-top:3rem}
footer a{color:#eaf0ff}
.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem}
.small{font-size:.86rem;color:#66758a}
.verdict{font-size:1.05rem;border-left:4px solid var(--blue);padding:.15rem 0 .15rem 1rem;margin:1.3rem 0}
@media(max-width:820px){
  .card{grid-column:span 6}.nav{align-items:flex-start}.nav nav{display:none}.footergrid{grid-template-columns:1fr}.related ul{columns:1}
}
@media(max-width:560px){.card{grid-column:span 12}.hero{padding-top:3.4rem}}


/* Production navigation + conversion modules */
.nav{display:grid;grid-template-columns:auto 1fr auto;align-items:center}
.nav nav{justify-self:center}
.header-cta{white-space:nowrap;font-size:.92rem;padding:.66rem .9rem}
:focus-visible{outline:3px solid #f59e0b;outline-offset:3px;border-radius:6px}
.article{width:min(1180px,94vw);display:grid;grid-template-columns:minmax(0,820px) 280px;gap:2rem;align-items:start}
.article-main{min-width:0}
.site-sidebar{position:sticky;top:92px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow);padding:1rem}
.site-sidebar h2{font-size:1.12rem;margin:.1rem 0 .5rem;letter-spacing:-.02em}
.site-sidebar p{font-size:.9rem;color:var(--muted);margin:.45rem 0}
.site-sidebar .btn{width:100%;margin:.55rem 0}
.side-links{list-style:none;margin:.6rem 0 0;padding:0;border-top:1px solid var(--line)}
.side-links li{border-bottom:1px solid var(--line)}
.side-links a{display:block;padding:.55rem 0;color:#273449;font-weight:650;font-size:.9rem}
.mobile-cta{display:none}
.cta-note{font-size:.77rem!important;color:#65758b!important;line-height:1.4}
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem;margin:1.1rem 0}
.topic-card{border:1px solid var(--line);border-radius:14px;padding:1rem;background:#fff}
.topic-card h3{margin:.1rem 0 .35rem;font-size:1.06rem}
.topic-card p{font-size:.9rem;color:var(--muted);margin:0}
.checklist li{margin:.42rem 0}
.badge-good{color:#126b4a;background:#eefaf4;border:1px solid #ccebdc;border-radius:999px;padding:.15rem .45rem;font-size:.78rem;font-weight:800}
.badge-caution{color:#8a5a00;background:#fff8e8;border:1px solid #f2d79d;border-radius:999px;padding:.15rem .45rem;font-size:.78rem;font-weight:800}
.skip-link{position:absolute;left:-9999px;top:auto}
.skip-link:focus{left:1rem;top:1rem;z-index:100;background:#fff;color:#111827;padding:.75rem 1rem;border:2px solid #111827}
@media(max-width:980px){
  .nav{grid-template-columns:auto 1fr}.nav nav{display:none}.header-cta{justify-self:end}
  .article{grid-template-columns:1fr;width:min(820px,92vw)}
  .site-sidebar{position:static;order:-1}
}
@media(max-width:620px){
  body{padding-bottom:64px}
  .header-cta{display:none}
  .mobile-cta{position:fixed;display:flex;left:0;right:0;bottom:0;z-index:50;background:#fff;border-top:1px solid var(--line);padding:.55rem .75rem calc(.55rem + env(safe-area-inset-bottom));box-shadow:0 -8px 28px rgba(15,23,42,.10)}
  .mobile-cta a{width:100%}
  .topic-grid{grid-template-columns:1fr}
}