:root {
  --bg:#ffffff; 
  --card:#f9f9fb; 
  --txt:#1a1a1a; 
  --muted:#555; 
  --brand:#2b59c3; 
  --accent:#40c9a2; 
  --border:#ddd;
}

* { box-sizing:border-box; }
html, body {
  margin:0; padding:0;
  background:var(--bg); color:var(--txt);
  font-family:-apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Inter, Noto Sans KR, Malgun Gothic, Helvetica, Arial, sans-serif;
}
a { color:inherit; text-decoration:none; }

.container { max-width:1120px; margin:0 auto; padding:24px; }

header { display:flex; align-items:center; justify-content:space-between; padding:8px 0; }
nav a { padding:10px 14px; border-radius:12px; border:1px solid transparent; }
nav a:hover { border-color:var(--border); background:rgba(0,0,0,0.05); }

.hero { padding:70px 0 40px; text-align:left; }
.hero h1 { font-size:42px; line-height:1.2; margin:0 0 12px; }

footer { margin-top:40px; padding:16px 0; border-top:1px solid var(--border); color:var(--muted); font-size:14px; text-align:center; }