:root{
  --bg:#f9fafb;
  --card:#ffffff;
  --text:#111827;
  --muted:#4b5563;
  --accent:#2563eb;
  --border:rgba(0,0,0,.08);
  --shadow:0 10px 30px rgba(0,0,0,.08);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}

body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  /* light-friendly subtle background tint */
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(37,99,235,.10), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(37,99,235,.06), transparent 55%),
    var(--bg);
  color:var(--text);
  line-height:1.6;
}

a{color:inherit;text-decoration:none}
.container{width:min(1050px, 92%); margin:0 auto}

/* ---------- Header ---------- */
.header{
  position:sticky; top:0; z-index:10;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,.78);
  border-bottom:1px solid var(--border);
}
.header .container{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{font-weight:700; letter-spacing:.2px}
.nav{display:flex; gap:18px}
.nav a{color:var(--muted)}
.nav a:hover{color:var(--text)}

/* ---------- Hero ---------- */
.hero{padding:70px 0 40px}
.eyebrow{color:var(--muted); margin:0 0 10px}
h1{font-size:clamp(32px, 4vw, 52px); line-height:1.12; margin:0 0 12px}
.accent{color:var(--accent)}
.subtitle{color:var(--muted); max-width:60ch; margin:0 0 18px}

/* ---------- Buttons ---------- */
.cta{display:flex; gap:12px; flex-wrap:wrap}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 14px;
  border:1px solid var(--border);
  border-radius:12px;
  background: rgba(0,0,0,.03);
  box-shadow: none;
}
.btn:hover{background: rgba(0,0,0,.06)}
.btn.primary{
  background: rgba(37,99,235,.12);
  border-color: rgba(37,99,235,.28);
}
.btn.primary:hover{
  background: rgba(37,99,235,.16);
}

/* ---------- Sections ---------- */
.section{padding:48px 0}
.section.alt{
  background: rgba(0,0,0,.02);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border)
}
h2{margin:0 0 10px; font-size:26px}
.muted{color:var(--muted)}
.small{font-size:14px}

/* ---------- Layout ---------- */
.grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:18px;
}
@media (max-width: 860px){
  .grid{grid-template-columns:1fr}
}

/* ---------- Cards ---------- */
.card{
  background: var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px;
  box-shadow: var(--shadow);
}
.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
  margin-top:14px;
}
@media (max-width: 860px){
  .cards{grid-template-columns:1fr}
}
.card.link:hover{transform: translateY(-2px)}

/* ---------- Tags ---------- */
.tag{
  display:inline-block;
  margin-top:10px;
  font-size:13px;
  color:var(--muted);
  border:1px solid var(--border);
  border-radius:999px;
  padding:4px 10px;
  background: rgba(0,0,0,.03);
}

/* ---------- Misc ---------- */
.bullets{margin:10px 0 0; padding-left:18px; color:var(--muted)}
.facts{display:grid; gap:10px; margin-top:10px}
.facts div{display:flex; justify-content:space-between; gap:12px}
.facts span{color:var(--muted)}

.links{display:grid; gap:10px; margin-top:10px}
.links a{color:var(--accent)}
.links a:hover{text-decoration:underline}

/* ---------- Footer ---------- */
.footer{
  padding:22px 0;
  color:var(--muted);
}
.footer .container{display:flex; gap:10px; flex-wrap:wrap; align-items:center}
.sep{opacity:.5}