/* Shared layout for content / policy pages */
:root {
  color-scheme: light dark;
  --bg: #0f1419;
  --surface: #1a2332;
  --text: #e8eef5;
  --muted: #8b9cb0;
  --accent: #3d9cf5;
  --border: rgba(255, 255, 255, 0.08);
  --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #e8eef3;
    --surface: #ffffff;
    --text: #14212e;
    --muted: #5a6b7d;
    --accent: #1d7ed6;
    --border: rgba(15, 30, 50, 0.1);
    --card-shadow: 0 8px 32px rgba(20, 40, 70, 0.08);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans KR", "DM Sans", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  border-bottom: 1px solid var(--border);
}

.site-header-inner,
.site-footer-inner,
.site-main {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 3.5rem;
}

.site-brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: -0.02em;
  text-decoration: none;
}

.site-brand:hover { text-decoration: none; color: var(--accent); }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  font-size: 0.9rem;
}

.site-nav a { color: var(--muted); font-weight: 600; }
.site-nav a:hover { color: var(--accent); text-decoration: none; }

.site-main {
  padding-top: 1.75rem;
  padding-bottom: 3rem;
}

.breadcrumb {
  margin: 0 0 1rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.article-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border);
}

.article-card h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.03em;
  line-height: 1.3;
}

.article-card .lead {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1.02rem;
}

.article-card h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.article-card h3 {
  margin: 1.4rem 0 0.5rem;
  font-size: 1.05rem;
}

.article-card p { margin: 0 0 1rem; }
.article-card ul, .article-card ol { margin: 0 0 1rem; padding-left: 1.25rem; }
.article-card li { margin-bottom: 0.4rem; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--accent) 16%, var(--surface));
  color: var(--text);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
}

.btn:hover { text-decoration: none; filter: brightness(1.05); }
.btn-primary { background: var(--accent); color: #fff; border-color: transparent; }

.guide-list {
  display: grid;
  gap: 0.85rem;
  margin: 1rem 0 0;
}

.guide-list a {
  display: block;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 55%, var(--surface));
  color: var(--text);
  text-decoration: none;
}

.guide-list a:hover { border-color: var(--accent); }
.guide-list strong { display: block; margin-bottom: 0.25rem; }
.guide-list span { color: var(--muted); font-size: 0.9rem; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2rem;
  background: color-mix(in srgb, var(--surface) 70%, transparent);
}

.site-footer-inner {
  display: grid;
  gap: 0.85rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  font-size: 0.88rem;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

@media (max-width: 640px) {
  .site-nav { width: 100%; }
}