:root {
  color-scheme: light dark;
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1a1f36;
  --muted: #5b647a;
  --accent: #1d4ed8;
  --border: #d8deea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1419;
    --card: #171d27;
    --text: #eef2ff;
    --muted: #a8b0c3;
    --accent: #7cb0ff;
    --border: #2a3344;
  }
}

* {
  box-sizing: border-box;
}

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

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

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

header {
  margin-bottom: 28px;
}

header h1 {
  margin: 0 0 8px;
  font-size: 1.75rem;
  line-height: 1.3;
}

header p {
  margin: 0;
  color: var(--muted);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

nav a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
  background: var(--card);
  font-size: 0.95rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
}

.card h2 {
  margin: 28px 0 12px;
  font-size: 1.15rem;
}

.card h2:first-child {
  margin-top: 0;
}

.card h3 {
  margin: 20px 0 8px;
  font-size: 1rem;
}

.card p,
.card li {
  color: var(--text);
}

.card ul,
.card ol {
  padding-left: 1.25rem;
}

.meta {
  color: var(--muted);
  font-size: 0.92rem;
}

footer {
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-links {
  display: grid;
  gap: 12px;
}

.hero-links a {
  display: block;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  text-decoration: none;
  color: inherit;
}

.hero-links a strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
}

.hero-links a span {
  color: var(--muted);
  font-size: 0.95rem;
}