:root {
  --violet: #6a5cff;
  --ink: #1c1b22;
  --muted: #5b5966;
  --line: #e7e6ee;
  --bg: #fafaff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Malgun Gothic", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

header.site {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

header.site .wrap {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  text-decoration: none;
}

.brand .dot { color: var(--violet); }

nav.site a {
  margin-left: 18px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

nav.site a:hover { color: var(--violet); }

h1 {
  font-size: 28px;
  margin: 8px 0 4px;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 18px;
  margin: 36px 0 10px;
  padding-top: 8px;
}

p, li { color: var(--ink); }

.muted { color: var(--muted); }

.effective {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 8px;
}

a { color: var(--violet); }

ul { padding-left: 20px; }
li { margin: 6px 0; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
  margin: 18px 0;
}

.pill {
  display: inline-block;
  background: rgba(106, 92, 255, 0.1);
  color: var(--violet);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 13px;
  font-weight: 600;
}

.btn {
  display: inline-block;
  background: var(--violet);
  color: #fff;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 600;
  margin-top: 8px;
}

footer.site {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  padding: 28px 24px;
}

footer.site a { color: var(--muted); }