:root{
  --bg:#f7f5f2;
  --panel:#ffffff;
  --text:#111827;
  --muted:#5b6472;
  --brand:#8b0000;
  --brand2:#1f2937;
  --gold:#c49a42;
  --line:rgba(17,24,39,.12);
  --shadow:0 20px 50px rgba(17,24,39,.12);
}
[data-theme="dark"]{
  --bg:#0c1118;
  --panel:#111827;
  --text:#f9fafb;
  --muted:#c9d1dc;
  --brand:#d13b3b;
  --brand2:#e5e7eb;
  --gold:#dfb85d;
  --line:rgba(255,255,255,.14);
  --shadow:0 20px 50px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px}
.skip:focus{left:16px;top:16px;background:var(--panel);padding:12px;z-index:10}
.nav{
  position:sticky;top:0;z-index:50;background:rgba(247,245,242,.90);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)
}
[data-theme="dark"] .nav{background:rgba(12,17,24,.9)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--text)}
.logo{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--brand),#1f2937);display:grid;place-items:center;color:white;font-weight:900}
.nav-links{display:flex;align-items:center;gap:18px;font-size:14px}
.nav-links a{color:var(--text)}
.btn,.download-link{
  display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:white!important;
  border:0;border-radius:999px;padding:11px 18px;font-weight:700;box-shadow:var(--shadow);
  cursor:pointer;text-decoration:none
}
.btn.secondary{background:transparent;color:var(--text)!important;border:1px solid var(--line);box-shadow:none}
.theme-toggle{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:999px;padding:9px 12px;cursor:pointer}
.hero{padding:80px 0 56px;background:
  radial-gradient(circle at top right, rgba(139,0,0,.16), transparent 30%),
  linear-gradient(180deg, rgba(255,255,255,.28), transparent)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.kicker{color:var(--brand);font-weight:900;letter-spacing:.08em;text-transform:uppercase;font-size:13px}
h1{font-size:clamp(38px,6vw,68px);line-height:1.02;margin:14px 0 18px;letter-spacing:-.04em}
.lead{font-size:20px;color:var(--muted);max-width:720px}
.hero-card{background:var(--panel);border:1px solid var(--line);border-radius:28px;padding:18px;box-shadow:var(--shadow)}
.hero-card img{width:100%;border-radius:22px;display:block}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:16px}
.stat b{display:block;font-size:24px;color:var(--brand)}
section{padding:64px 0}
.section-title{font-size:34px;line-height:1.1;margin:0 0 12px;letter-spacing:-.03em}
.section-intro{color:var(--muted);max-width:830px;margin-bottom:28px}
.grid{display:grid;gap:22px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.two{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 10px 28px rgba(17,24,39,.06)}
.card h3{margin-top:0;line-height:1.2}
.pill{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:7px 12px;margin:4px 4px 4px 0;background:rgba(139,0,0,.06);font-size:13px}
.timeline{position:relative;border-left:3px solid var(--brand);padding-left:26px}
.timeline-item{margin-bottom:28px}
.timeline-item h3{margin:0}
.timeline-item .date{color:var(--brand);font-weight:800;font-size:14px}
.downloads{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.download-card{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:20px}
.research-list li{margin-bottom:12px}
.placeholder-note{font-size:13px;color:var(--muted);border-left:3px solid var(--gold);padding-left:12px}
.article-card img{width:100%;border-radius:18px}
.article-meta{font-size:13px;color:var(--muted);font-weight:700}
.footer{padding:42px 0;border-top:1px solid var(--line);background:var(--panel)}
.print-only{display:none}
.mobile-menu{display:none}
@media(max-width:900px){
  .hero-grid,.grid.two,.grid.three{grid-template-columns:1fr}
  .stats,.downloads{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
  .mobile-menu{display:inline-flex}
}
@media(max-width:560px){
  .stats,.downloads{grid-template-columns:1fr}
  .container{padding:0 18px}
  section{padding:46px 0}
}
@media print{
  .nav,.cta,.footer,.theme-toggle,.btn{display:none!important}
  body{background:white;color:#111}
  .card,.stat,.download-card{box-shadow:none;border:1px solid #ccc}
  .print-only{display:block}
}