:root{--bg:#ffffff;--text:#111827;--muted:#6b7280;--brand:#2563eb;--brand2:#0ea5e9;--border:#e5e7eb;--max:1120px;}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.55}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--max);margin:0 auto;padding:0 16px}
header{border-bottom:1px solid var(--border);background:#fff;position:sticky;top:0;z-index:50}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0}
.brand{display:flex;flex-direction:column}
.brand strong{font-size:18px;line-height:1.2}
.brand span{font-size:13px;color:var(--muted)}
nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:12px}
nav a{padding:8px 10px;border-radius:8px}
nav a[aria-current="page"], nav a:hover{background:#f3f4f6;text-decoration:none}
.hero{padding:48px 0 28px;background:linear-gradient(180deg,#f8fafc,transparent)}
.hero h1{margin:0 0 10px;font-size:40px;letter-spacing:-0.02em}
.hero p{margin:0;color:var(--muted);max-width:70ch}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.card{grid-column:span 12;border:1px solid var(--border);border-radius:14px;padding:16px;background:#fff}
@media(min-width:760px){.card{grid-column:span 6}}
@media(min-width:1024px){.card{grid-column:span 3}}
.card h3{margin:0 0 6px;font-size:16px}
.card p{margin:0;color:var(--muted);font-size:14px}
.card .meta{margin-top:10px;font-size:13px}
.section{padding:28px 0}
.section h2{margin:0 0 10px;font-size:24px}
.kicker{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.footer{border-top:1px solid var(--border);padding:22px 0;color:var(--muted);font-size:13px}
.breadcrumbs{font-size:13px;color:var(--muted);margin:10px 0}
.breadcrumbs a{color:var(--muted)}
.article{max-width:80ch}
.article h1{margin:0 0 6px;font-size:34px}
.article .lead{color:var(--muted)}
.article img{max-width:100%;height:auto;border-radius:12px;border:1px solid var(--border)}
.cta{display:inline-flex;align-items:center;gap:10px;margin-top:14px;padding:10px 14px;border-radius:10px;background:var(--brand);color:#fff;text-decoration:none}
.cta:hover{text-decoration:none;filter:brightness(.95)}