/* CMHT editorial design system (v1.0.0, 2026-08-06) — shared by cmht.tech pages.
   Sibling of boxsight.ai/assets/editorial.css: same editorial language, CMHT tokens
   (signal red, neutral paper, true-black). */

:root{
  --accent:#dc2626; --accent-hover:#b91c1c; --accent-contrast:#ffffff;
  --bg-page:#fbfbfa; --bg-subtle:#f5f5f2; --bg-hero:#0a0a0a;
  --surface-card:#ffffff; --border-subtle:#e5e5e1; --border-strong:#d2d2cc;
  --text-heading:#161513; --text-body:#4c4a45; --text-muted:#7c7973; --text-faint:#a3a09a;
  --text-on-dark:#f4f3f0; --text-on-dark-muted:#8a8a86;
  --font-sans:'Plus Jakarta Sans',ui-sans-serif,system-ui,-apple-system,sans-serif;
  --font-serif:'Instrument Serif',Georgia,serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;
  --shadow-s:0 1px 2px rgba(22,21,19,0.04),0 8px 24px rgba(22,21,19,0.05);
  --shadow-m:0 2px 8px rgba(22,21,19,0.05),0 16px 40px rgba(22,21,19,0.08);
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{
    --accent:#ef4444; --accent-hover:#dc2626;
    --bg-page:#0a0a0a; --bg-subtle:#141414; --bg-hero:#0a0a0a;
    --surface-card:#1a1a1a; --border-subtle:#2a2a2a; --border-strong:#3a3a3a;
    --text-heading:#f4f3f0; --text-body:#c4c4c1; --text-muted:#8a8a86; --text-faint:#6a6a67;
    --text-on-dark:#f4f3f0; --text-on-dark-muted:#8a8a86;
    --shadow-s:0 1px 2px rgba(0,0,0,0.3),0 8px 24px rgba(0,0,0,0.25);
    --shadow-m:0 2px 8px rgba(0,0,0,0.3),0 16px 40px rgba(0,0,0,0.35);
    color-scheme:dark;
  }
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased}
body{background:var(--bg-page);font-family:var(--font-sans);color:var(--text-body);line-height:1.7}
a{color:inherit}
::selection{background:var(--text-heading);color:var(--bg-page)}
a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* ── Nav ── */
.site-nav{position:sticky;top:0;z-index:50;height:72px;display:flex;align-items:center;background:color-mix(in srgb,var(--bg-page) 82%,transparent);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border-subtle)}
.nav-inner{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand{font-weight:800;font-size:1.3rem;letter-spacing:0.04em;color:var(--text-heading);text-decoration:none}
.brand span{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-weight:600;font-size:0.9375rem;color:var(--text-body);text-decoration:none;transition:color .2s}
.nav-links a:hover{color:var(--accent)}
.nav-links a.active{color:var(--accent)}
.nav-cta{font-weight:700!important;color:var(--accent-contrast)!important;background:var(--accent);padding:0.55rem 1.2rem;border-radius:999px}
@media (max-width:480px){.nav-inner{padding:0 18px}.nav-links{gap:18px}}
@media (max-width:360px){.nav-links{gap:14px}}

/* ── Dark hero (articles, listings, subpages) ── */
.hero{background:var(--bg-hero);padding:80px 32px 72px;text-align:center}
.hero-inner{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:20px;align-items:center}
.eyebrow{font-family:var(--font-mono);font-size:0.7rem;font-weight:500;letter-spacing:0.18em;text-transform:uppercase;color:var(--accent)}
.eyebrow .dot{color:var(--text-on-dark-muted)}
.hero-title{color:var(--text-on-dark);font-family:var(--font-serif);font-weight:400;font-size:clamp(2.4rem,6vw,3.6rem);line-height:1.06;letter-spacing:-0.02em;text-wrap:balance}
.hero-title em,.hero-title .ai{font-style:italic;color:var(--accent)}
.byline{color:var(--text-on-dark-muted);font-family:var(--font-mono);font-size:0.75rem;letter-spacing:0.1em;text-transform:uppercase}
.hero-sub{color:var(--text-on-dark-muted);font-size:1.05rem;max-width:44rem;font-family:var(--font-sans)}

/* ── Article body ── */
.article{max-width:760px;margin:0 auto;padding:64px 32px 56px;background:var(--bg-page)}
.article .lead{font-size:1.3rem;line-height:1.6;font-weight:500;color:var(--text-heading);margin:0 0 44px;text-wrap:pretty}
.article h2{font-family:var(--font-serif);font-size:2.1rem;font-weight:400;letter-spacing:-0.015em;line-height:1.15;color:var(--text-heading);margin:56px 0 20px;text-wrap:balance}
.article p{font-size:1.125rem;line-height:1.8;color:var(--text-body);margin:0 0 24px;text-wrap:pretty}
.article em{color:var(--text-heading);font-style:italic;font-weight:600}
.article strong{color:var(--text-heading);font-weight:700}
.article ul,.article ol{padding-left:1.4rem;margin:0 0 24px}
.article li{font-size:1.1rem;line-height:1.8}
.figure{margin:40px 0;padding:32px;background:var(--bg-subtle);border:1px solid var(--border-subtle);border-radius:12px}
.figure-label{font-family:var(--font-mono);font-size:0.68rem;font-weight:500;letter-spacing:0.16em;text-transform:uppercase;color:var(--accent);margin-bottom:20px}
.figure svg{width:100%;height:auto;display:block}
.figure svg text{font-family:var(--font-sans)}
.pullquote{margin:44px 0;padding:6px 0 6px 28px;border-left:3px solid var(--accent);font-family:var(--font-serif);font-style:italic;font-size:1.6rem;font-weight:400;line-height:1.35;letter-spacing:-0.01em;color:var(--text-heading);text-wrap:balance}

/* ── Listing cards (articles index, research index) ── */
.section{max-width:1100px;margin:0 auto;padding:56px 32px}
.card-wrap{max-width:1100px;margin:0 auto;padding:56px 32px}
.card-grid,.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(320px,100%),1fr));gap:20px}
.card{background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:16px;padding:1.7rem;box-shadow:var(--shadow-s);display:flex;flex-direction:column;align-items:flex-start;transition:transform .3s ease,box-shadow .3s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.card h3{font-size:1.12rem;font-weight:700;letter-spacing:-0.01em;color:var(--text-heading);margin:0 0 0.6rem;line-height:1.35}
.card p{font-size:0.93rem;color:var(--text-body);margin:0 0 1rem}
.card-meta,.meta{font-family:var(--font-mono);font-size:0.64rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--accent);margin:0 0 0.7rem}
.read,.card-link{margin-top:auto;font-weight:700;font-size:0.88rem;color:var(--accent);text-decoration:none}
.read:hover,.card-link:hover{text-decoration:underline}
.read.disabled{color:var(--text-faint);pointer-events:none}

/* ── Key visual band ── */
.key-visual{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-m)}
.key-visual img{width:100%;display:block}
.scene-caption{position:absolute;left:1.5rem;bottom:1.2rem;z-index:2;font-family:var(--font-mono);font-size:0.68rem;letter-spacing:0.22em;text-transform:uppercase;color:rgba(244,243,240,0.85);text-shadow:0 1px 8px rgba(0,0,0,0.85)}

/* ── Prose / legal pages ── */
.container{max-width:860px;margin:0 auto;padding:48px 32px 72px}
.container h2{font-family:var(--font-serif);font-weight:400;font-size:1.9rem;letter-spacing:-0.01em;color:var(--text-heading);margin:2.2rem 0 0.8rem}
.container h3{font-size:1.05rem;font-weight:700;color:var(--text-heading);margin:1.4rem 0 0.5rem}
.container p,.container li{color:var(--text-body);font-size:0.97rem}
.container ul,.container ol{padding-left:1.3rem;margin:0.6rem 0 1rem}
.container a{color:var(--accent);text-decoration:none}
.container a:hover{text-decoration:underline}
.container strong{color:var(--text-heading)}
.highlight-box{background:var(--surface-card);border:1px solid var(--border-subtle);border-left:3px solid var(--accent);border-radius:12px;padding:1.3rem 1.5rem;margin:1.4rem 0;box-shadow:var(--shadow-s)}

/* ── Footer ── */
.site-footer{background:var(--bg-subtle);border-top:1px solid var(--border-subtle)}
.footer-inner{max-width:1200px;margin:0 auto;padding:64px 32px 32px}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding-bottom:48px}
.footer-col{display:flex;flex-direction:column;gap:16px}
.footer-col h4{font-family:var(--font-mono);font-size:0.66rem;font-weight:500;letter-spacing:0.16em;text-transform:uppercase;color:var(--text-muted)}
.footer-col a{font-size:0.9375rem;font-weight:500;color:var(--text-body);text-decoration:none;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid var(--border-subtle);padding-top:24px;text-align:center;font-size:0.8125rem;color:var(--text-faint)}

@media (max-width:640px){
  .hero-title{font-size:2.1rem}
  .article h2{font-size:1.7rem}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}
@media (prefers-reduced-motion: reduce){
  *{transition-duration:0.01ms!important}
}