:root{
  --brand-primary:#1E88E5;
  --brand-primary-dark:#1565C0;
  --brand-accent:#FFB74D;
  --text:#243238;
  --muted:#5f6b6f;
  --bg:#ffffff;
  --bg-soft:#f6f8fb;
  --card:#ffffff;
  --border:#e5eaef;
}
*{box-sizing:border-box}
html{font-size:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
.container{max-width:1100px;margin:0 auto;padding:0 1rem}
.header{background:linear-gradient(180deg, var(--bg-soft), #fff);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:.75rem 0}
.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:var(--text)}
.brand img{width:40px;height:40px}
.brand .name{font-weight:700;font-size:1.1rem}
.menu{display:flex;gap:1rem;flex-wrap:wrap}
.menu a{text-decoration:none;color:var(--text);padding:.5rem .75rem;border-radius:.6rem}
.menu a.active,.menu a:hover{background:var(--bg-soft);color:var(--brand-primary)}
.hero{padding:3rem 0 2rem}
.hero h1{font-size:2rem;margin:.5rem 0}
.hero p{max-width:60ch;color:var(--muted)}
.cta{display:inline-block;margin-top:1rem;background:var(--brand-primary);color:#fff;text-decoration:none;padding:.75rem 1rem;border-radius:.75rem;font-weight:600}
.cta:hover{background:var(--brand-primary-dark)}
.grid{display:grid;gap:1rem}
@media(min-width:800px){.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--card);border:1px solid var(--border);border-radius:1rem;padding:1rem;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.card h3{margin-top:0}
.section{padding:2rem 0}
.footer{margin-top:2rem;background:var(--bg-soft);border-top:1px solid var(--border);padding:1.25rem 0;color:var(--muted);font-size:.95rem}
.footer a{color:var(--muted);text-decoration:none}
.footer a:hover{color:var(--brand-primary)}
.badge{display:inline-block;background:var(--bg-soft);border:1px solid var(--border);padding:.25rem .5rem;border-radius:.5rem;color:var(--muted);font-size:.85rem}
ul.clean{list-style:none;padding-left:0;margin:0}
ul.clean li{padding:.25rem 0}