:root{
  --bg:#f7f7fb;
  --card:#fff;
  --accent:#2563eb;
  --muted:#6b7280;
}
*{box-sizing:border-box}
body{font-family:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; margin:0; background:var(--bg); color:#111;}
.inner{max-width:1000px;margin:0 auto;padding:28px;}
.site-header{background:var(--card);box-shadow:0 6px 18px rgba(15,15,30,0.06);border-bottom:1px solid rgba(0,0,0,0.04);}
.site-header .inner{display:flex;align-items:center;gap:16px;}
.logo{width:64px;height:64px;border-radius:12px;}
.byline{margin:6px 0 0;color:var(--muted)}
.hero{position:relative;overflow:hidden;margin-top:20px;}
.hero-img{width:100%;height:auto;display:block;border-radius:12px;}
.hero-text{position:absolute;left:40px;top:40px;color:#fff;max-width:420px;text-shadow:0 6px 20px rgba(0,0,0,0.45)}
.hero-text h2{font-size:28px;margin:0 0 12px;}
.cta{display:inline-block;padding:10px 14px;background:var(--accent);color:#fff;border-radius:8px;text-decoration:none;margin-top:8px}
.features{padding:24px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:12px}
.card{background:var(--card);padding:18px;border-radius:12px;box-shadow:0 6px 18px rgba(15,15,30,0.05)}
.about{padding:18px 0}
.files{padding:18px 0}
.site-footer{padding:18px 0;color:var(--muted);font-size:14px}