:root{--bg:#fff;--fg:#0f172a;--muted:#475569;--brand:#1d4ed8;--brand-hover:#1e40af;--border:#e5e7eb}
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;color:var(--fg);background:var(--bg);line-height:1.6}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.container{max-width:1080px;margin:0 auto;padding:1.25rem}
nav{display:flex;align-items:center;justify-content:space-between;padding:1rem 0;border-bottom:1px solid var(--border)}
.nav-left{display:flex;gap:1rem;align-items:center}.nav-links{display:flex;gap:1rem;flex-wrap:wrap}.logo{font-weight:700}
.lang-switch{display:flex;gap:.5rem;align-items:center}.tag{display:inline-block;padding:.15rem .5rem;border:1px solid var(--border);border-radius:.4rem;color:var(--muted);font-size:.8rem}
header.hero{padding:3rem 0 2rem;border-bottom:1px solid var(--border)}.hero h1{font-size:2rem;margin:.2rem 0 0}.hero p{max-width:55ch;color:var(--muted);margin:.5rem 0 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem;margin:2rem 0}
.card{border:1px solid var(--border);border-radius:12px;padding:1rem}.card h3{margin-top:.2rem}
.cta{display:inline-block;background:var(--brand);color:white;padding:.75rem 1rem;border-radius:.6rem;border:0}.cta:hover{background:var(--brand-hover);text-decoration:none}
footer{margin-top:3rem;border-top:1px solid var(--border);padding:2rem 0;color:var(--muted);font-size:.95rem}
ul.clean{list-style:none;padding-left:1rem}table{border-collapse:collapse;width:100%}th,td{border:1px solid var(--border);padding:.5rem;text-align:left}
small.muted{color:var(--muted)}