:root {
  --ink: #111;
  --muted: #555;
  --faint: #666;
  --line: #ececec;
  --band: #fafafa;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: 'Inter', 'Noto Sans KR', -apple-system, 'Segoe UI', sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
.wrap { max-width: 1120px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); }
.bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding-top: 16px; padding-bottom: 16px; }
.brand { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; min-height: 44px; display: flex; align-items: center; }
.nav { display: flex; flex-wrap: wrap; gap: 4px; }
.nav a { color: #444; font-size: 15px; padding: 0 12px; min-height: 44px; display: flex; align-items: center; }
.nav a:hover, .nav a[aria-current] { color: var(--ink); }
.tools { display: flex; align-items: center; gap: 12px; }
.lang ul { display: flex; border: 1px solid #e2e2e2; border-radius: 8px; padding: 2px; }
.lang li a { display: flex; align-items: center; justify-content: center; min-width: 40px; min-height: 40px; border-radius: 6px; font-size: 13px; font-weight: 500; color: #555; }
.lang li.active a, .lang a.active { background: #f1f1f1; color: var(--ink); }
.btn { background: var(--ink); color: #fff; font-size: 14px; font-weight: 500; border-radius: 8px; padding: 0 18px; min-height: 44px; display: inline-flex; align-items: center; }

/* Home: profile */
.profile { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 56px; padding-top: 72px; }
.side { flex: 0 1 300px; width: 300px; max-width: 100%; display: flex; flex-direction: column; gap: 20px; }
.photo { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border: 1px solid #e8e8e8; border-radius: 20px; background: #f3f3f3; display: block; }
.photo-empty { display: flex; align-items: center; justify-content: center; color: var(--faint); font-size: 15px; }
.who { display: flex; flex-direction: column; gap: 6px; }
.who h1 { font-size: 30px; line-height: 1.15; font-weight: 600; letter-spacing: -0.03em; }
.role { font-size: 15px; color: #444; }
.org { font-size: 15px; color: var(--muted); }
.linklist { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.linklist a { font-size: 14px; min-height: 44px; display: flex; align-items: center; border-bottom: 1px solid var(--line); }
.linklist a:hover { text-decoration: underline; }
.main { flex: 1 1 560px; min-width: 0; display: flex; flex-direction: column; gap: 48px; }
.intro { display: flex; flex-direction: column; gap: 20px; }
.badge { align-self: flex-start; display: flex; align-items: center; gap: 8px; border: 1px solid #e2e2e2; border-radius: 999px; padding: 6px 14px; font-size: 13px; color: #444; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 999px; background: var(--ink); }
.lead { font-size: 26px; line-height: 1.45; font-weight: 500; letter-spacing: -0.02em; }

/* Sections and rows */
.sec { display: flex; flex-direction: column; gap: 16px; }
.sec h2 { font-size: 20px; font-weight: 600; letter-spacing: -0.015em; }
.block { padding-top: 72px; }
.block-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.block-head a { color: var(--muted); font-size: 14px; min-height: 44px; display: flex; align-items: center; }
.rows { border-top: 1px solid var(--line); }
.rows.soft { border-top-color: #e6e6e6; }
.row { display: flex; flex-wrap: wrap; gap: 6px 24px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.row .k { flex: 0 0 200px; font-size: 16px; font-weight: 500; }
.row .k.date { flex: 0 0 140px; font-size: 14px; font-weight: 400; color: var(--faint); }
.row .v { flex: 1 1 280px; font-size: 15px; line-height: 1.6; color: var(--muted); }
.edu { display: flex; flex-direction: column; gap: 4px; }
.edu-t { font-size: 16px; font-weight: 500; color: var(--ink); }
.edu-o { font-size: 14px; color: var(--muted); }

/* Publications */
.pub { display: flex; flex-wrap: wrap; gap: 8px 24px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.pub .yr { flex: 0 0 56px; font-size: 14px; color: var(--faint); }
.pub .body { flex: 1 1 320px; display: flex; flex-direction: column; gap: 6px; }
.pub .t { font-size: 16px; font-weight: 500; line-height: 1.5; }
.pub .m { font-size: 14px; line-height: 1.5; color: var(--muted); }
.pub .links { display: flex; gap: 8px; align-items: flex-start; }
.pub .note { align-self: flex-start; font-size: 12px; font-weight: 500; color: #172a6e; background: #eef2ff; border: 1px solid #c7d2fe; border-radius: 999px; padding: 2px 10px; }
.listing .sec { margin-top: 16px; }
.chip { font-size: 12px; border: 1px solid #d9d9d9; border-radius: 6px; padding: 0 10px; min-height: 32px; display: flex; align-items: center; }
.chip:hover { background: #f4f4f4; }

/* News + Writing band */
.band { margin-top: 96px; background: var(--band); border-top: 1px solid var(--line); }
.two { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 56px; padding-top: 72px; padding-bottom: 72px; }
.news { flex: 1 1 360px; min-width: 0; }
.writing { flex: 1.4 1 480px; min-width: 0; }
.item { display: flex; flex-direction: column; gap: 4px; padding: 16px 0; border-bottom: 1px solid #e6e6e6; }
.item .d { font-size: 13px; color: var(--faint); }
.item .tx { font-size: 15px; line-height: 1.5; }
.post { display: flex; flex-direction: column; gap: 6px; padding: 16px 0; border-bottom: 1px solid #e6e6e6; }
.post:hover .pt { text-decoration: underline; }
.pt { font-size: 17px; font-weight: 500; letter-spacing: -0.01em; }
.pm { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 13px; color: var(--faint); }
.cat { color: #444; border: 1px solid #dcdcdc; border-radius: 999px; padding: 2px 10px; background: #fff; }
.ps { font-size: 15px; line-height: 1.6; color: var(--muted); }

/* Listing / article pages */
.listing { padding-top: 56px; padding-bottom: 24px; display: flex; flex-direction: column; gap: 24px; }
.page-title { font-size: 36px; font-weight: 600; letter-spacing: -0.03em; }
.article { max-width: 720px; margin: 0 auto; padding: 64px 24px 24px; }
.art-head { display: flex; flex-direction: column; gap: 14px; margin-bottom: 32px; }
.art-head h1 { font-size: 36px; line-height: 1.2; font-weight: 600; letter-spacing: -0.03em; }
.prose { font-size: 17px; line-height: 1.8; }
.prose h2 { font-size: 24px; margin: 40px 0 12px; letter-spacing: -0.02em; }
.prose h3 { font-size: 19px; margin: 28px 0 8px; }
.prose p { margin: 0 0 18px; }
.prose img { max-width: 100%; height: auto; border-radius: 12px; }
.prose a { text-decoration: underline; }
.prose blockquote { margin: 24px 0; padding-left: 16px; border-left: 3px solid #ddd; color: var(--muted); }
.prose pre { overflow-x: auto; background: #f6f6f6; padding: 16px; border-radius: 10px; font-size: 14px; }
.prose code { font-size: 0.92em; }
.back { margin-top: 48px; }
.back a { color: var(--muted); font-size: 14px; }

/* Footer */
.site-footer { margin-top: 96px; border-top: 1px solid var(--line); }
.foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding-top: 28px; padding-bottom: 28px; font-size: 14px; color: var(--faint); }
.foot a { color: var(--muted); min-height: 44px; display: flex; align-items: center; }
main:has(.band) + .site-footer { margin-top: 0; }