:root{
  --fg:#1c1d21; --bg:#ffffff; --muted:#6b7280; --brand:#1b8e5f; --brand-2:#0ea5a0;
  --card:#f8fafc; --line:#eef2f7;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;font:16px/1.55 system-ui,Segoe UI,Roboto,Arial;color:var(--fg);background:var(--bg)}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:0 16px}
header{border-bottom:1px solid var(--line);background:rgba(255,255,255,.8);backdrop-filter:saturate(150%) blur(6px)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{font-weight:700;letter-spacing:.2px}
.menu a{margin-left:14px}
.hero{padding:48px 0 28px}
.hero h1{font-size:clamp(28px,5vw,42px);margin:0 0 12px}
.hero p{color:var(--muted);max-width:800px;margin:0}
.cta{margin-top:20px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:10px 16px;border-radius:8px;border:1px solid var(--brand);background:var(--brand);color:#fff}
.btn--ghost{background:transparent;color:var(--brand)}
.section{padding:28px 0;border-top:1px solid var(--line)}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted)}
footer{border-top:1px solid var(--line);padding:16px 0;color:var(--muted);font-size:14px}
footer .links a{margin-right:12px}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;font-size:12px}
.small{font-size:14px;color:var(--muted)}
@media (prefers-color-scheme: dark){
  :root{--bg:#0b0c0f;--fg:#e8eaee;--muted:#a2a9b3;--card:#0f1116;--line:#1b2030}
  header,footer{background:transparent}
}