:root {
  --navy: #1b365d;
  --navy-soft: #e8eef6;
  --ink: #1f2933;
  --muted: #5b6672;
  --line: #dde3ea;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --todo: #fff3bf;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Pretendard", -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

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

.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }

.preview-banner {
  background: var(--todo);
  text-align: center;
  font-size: 14px;
  padding: 6px 16px;
}

.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.header-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 24px; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); font-weight: 800; font-size: 18px; line-height: 1.2; }
.brand img { width: 43px; height: 34px; object-fit: contain; flex: none; }
.brand small { display: block; font-weight: 500; font-size: 12px; color: var(--muted); letter-spacing: .02em; }
.site-nav { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 15px; }
.site-nav a { text-decoration: none; color: var(--ink); padding: 4px 0; border-bottom: 2px solid transparent; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--navy); border-bottom-color: var(--navy); }

main { padding-bottom: 48px; }

.hero { padding: 48px 0 24px; }
.eyebrow { color: var(--navy); font-weight: 700; font-size: 14px; margin: 0 0 8px; }
.hero h1 { font-size: clamp(30px, 6vw, 42px); line-height: 1.25; margin: 0 0 8px; color: var(--navy); }
.lead { font-size: 20px; font-weight: 600; margin: 0 0 12px; }

.facts { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px; margin: 8px 0 32px; }
.facts h2 { margin: 0 0 12px; font-size: 18px; }
.facts dl { margin: 0; display: grid; gap: 8px; }
.facts dl > div { display: grid; grid-template-columns: 104px 1fr; gap: 12px; padding: 6px 0; border-top: 1px solid var(--line); }
.facts dl > div:first-child { border-top: 0; }
.facts dt { font-weight: 700; color: var(--navy); }
.facts dd { margin: 0; }

.prose h1 { font-size: clamp(26px, 5vw, 34px); line-height: 1.3; margin: 40px 0 16px; color: var(--navy); }
.prose h2 { font-size: 22px; margin: 40px 0 12px; padding-top: 8px; }
.prose h3 { font-size: 18px; margin: 28px 0 8px; }
.prose p, .prose li { font-size: 17px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin: 4px 0; }
.prose blockquote { margin: 16px 0; padding: 4px 18px; border-left: 4px solid var(--navy); background: var(--bg-soft); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }

.table { overflow-x: auto; margin: 16px 0; }
table { border-collapse: collapse; width: 100%; min-width: 320px; font-size: 16px; }
th, td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
th { background: var(--navy-soft); color: var(--navy); }

.post-meta { color: var(--muted); font-size: 14px; margin: 40px 0 -24px; }
.draft-note { background: var(--todo); padding: 8px 14px; border-radius: 8px; font-size: 14px; margin-top: 32px; }

.post-list { list-style: none; padding: 0; margin: 16px 0; }
.post-list li { border-top: 1px solid var(--line); padding: 16px 0; }
.post-list a { font-weight: 700; font-size: 18px; text-decoration: none; }
.post-list p { margin: 4px 0; color: var(--muted); }
.post-list time { font-size: 13px; color: var(--muted); }
.badge { display: inline-block; font-size: 12px; background: var(--todo); padding: 0 8px; border-radius: 999px; margin-left: 6px; vertical-align: middle; }
.muted { color: var(--muted); }

.cta { margin: 48px 0 0; padding: 24px 22px; border-radius: 12px; background: var(--navy); color: #fff; }
.cta h2 { margin: 0 0 6px; font-size: 20px; }
.cta p { margin: 0 0 12px; }
.cta-buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.button { display: inline-block; padding: 10px 18px; border-radius: 8px; background: #fff; color: var(--navy); font-weight: 700; text-decoration: none; }
.button.ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.6); }

.todo { background: var(--todo); padding: 0 4px; border-radius: 4px; }

.site-footer { border-top: 1px solid var(--line); background: var(--bg-soft); font-size: 14px; color: var(--muted); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding-top: 24px; padding-bottom: 32px; }
.footer-inner strong { color: var(--ink); }
.footer-links { display: flex; flex-direction: column; gap: 4px; }

@media (max-width: 560px) {
  .facts dl > div { grid-template-columns: 1fr; gap: 0; }
  .hero { padding-top: 32px; }
}